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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.258 by root, Sat Apr 21 17:43:42 2007 UTC vs.
Revision 1.446 by root, Tue Sep 16 16:03:02 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
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		69
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		71
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		73
49	our %COMMAND = ();	74	our %COMMAND = ();
50	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
51		76
52	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
56		82
57	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
58	our @EVENT;	84	our @EVENT;
59		85
60	our $CONFDIR = confdir;	86	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	87	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	88	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	89	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	90	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	91	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	95	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	96	our $BDBDIR = "$LOCALDIR/db";
		97	our $PIDFILE = "$LOCALDIR/pid";
		98	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		99
		100	our %RESOURCE;
71		101
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	104	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		106
		107	our $BDB_DEADLOCK_WATCHER;
		108	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	109	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	110	our $DB_ENV;
82		111
83	our %CFG;	112	our %CFG;
84		113
85	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
87		117
88	our %PLAYER; # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
91		121
92	# used to convert map paths into valid unix filenames by replacing / by ∕	122	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		124
		125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		126	our $LOADAVG; # same thing, but with alpha-smoothing
		127	our $JITTER; # average jitter
		128	our $TICK_START; # for load detecting purposes
		129
95	binmode STDOUT;	130	binmode STDOUT;
96	binmode STDERR;	131	binmode STDERR;
97		132
98	# read virtual server time, if available	133	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	135	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
103	}	138	}
104		139
105	mkdir $_	140	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
139		174
140	=item $cf::TICK	175	=item $cf::TICK
141		176
142	The interval between server ticks, in seconds.	177	The interval between server ticks, in seconds.
143		178
		179	=item $cf::LOADAVG
		180
		181	The current CPU load on the server (alpha-smoothed), as a value between 0
		182	(none) and 1 (overloaded), indicating how much time is spent on processing
		183	objects per tick. Healthy values are < 0.5.
		184
		185	=item $cf::LOAD
		186
		187	The raw value load value from the last tick.
		188
144	=item %cf::CFG	189	=item %cf::CFG
145		190
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	192	from wherever your confdir points to.
148		193
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		195
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	197	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		199
		200	=item @cf::INVOKE_RESULTS
		201
		202	This array contains the results of the last C<invoke ()> call. When
		203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		204	that call.
		205
155	=back	206	=back
156		207
157	=cut	208	=cut
158		209
159	BEGIN {	210	BEGIN {
…		…
163	$msg .= "\n"	214	$msg .= "\n"
164	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
165		216
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		218
168	utf8::encode $msg;
169	LOG llevError, $msg;	219	LOG llevError, $msg;
170	};	220	};
171	}	221	}
		222
		223	$Coro::State::DIEHOOK = sub {
		224	return unless $^S eq 0; # "eq", not "=="
		225
		226	if ($Coro::current == $Coro::main) {#d#
		227	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		228	return;#d#
		229	}#d#
		230
		231	# kill coroutine otherwise
		232	warn Carp::longmess $_[0];
		233	Coro::terminate
		234	};
		235
		236	$SIG{__DIE__} = sub { }; #d#?
172		237
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	242	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		243	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	244	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		245
180	# we bless all objects into (empty) derived classes to force a method lookup	246	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	247	# within the Safe compartment.
182	for my $pkg (qw(	248	for my $pkg (qw(
183	cf::global cf::attachable	249	cf::global cf::attachable
184	cf::object cf::object::player	250	cf::object cf::object::player
185	cf::client cf::player	251	cf::client cf::player
186	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
187	cf::map cf::party cf::region	254	cf::party cf::region
188	)) {	255	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	257	}
192		258
193	$Event::DIED = sub {	259	$EV::DIED = sub {
194	warn "error in event callback: @_";	260	warn "error in event callback: @_";
195	};	261	};
		262
		263	#############################################################################
196		264
197	=head2 UTILITY FUNCTIONS	265	=head2 UTILITY FUNCTIONS
198		266
199	=over 4	267	=over 4
200		268
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	288	$d
221	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
222	}	290	}
223		291
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
227		293
228	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
229		295
230	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
231		297
232	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
		299
		300	=cut
		301
		302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		303
		304	sub encode_json($) { $json_coder->encode ($_[0]) }
		305	sub decode_json($) { $json_coder->decode ($_[0]) }
233		306
234	=item cf::lock_wait $string	307	=item cf::lock_wait $string
235		308
236	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
237		310
…		…
240	Wait until the given lock is available and then acquires it and returns	313	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	314	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	315	for example when the coroutine gets canceled), the lock is automatically
243	returned.	316	returned.
244		317
		318	Locks are *not* recursive, locking from the same coro twice results in a
		319	deadlocked coro.
		320
245	Lock names should begin with a unique identifier (for example, cf::map::find	321	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	322	uses map_find and cf::map::load uses map_load).
247		323
248	=item $locked = cf::lock_active $string	324	=item $locked = cf::lock_active $string
249		325
250	Return true if the lock is currently active, i.e. somebody has locked it.	326	Return true if the lock is currently active, i.e. somebody has locked it.
251		327
252	=cut	328	=cut
253		329
254	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
255		332
256	sub lock_wait($) {	333	sub lock_wait($) {
257	my ($key) = @_;	334	my ($key) = @_;
		335
		336	if ($LOCKER{$key} == $Coro::current) {#d#
		337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		338	return;#d#
		339	}#d#
258		340
259	# wait for lock, if any	341	# wait for lock, if any
260	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	344	Coro::schedule;
…		…
268		350
269	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
270	lock_wait $key;	352	lock_wait $key;
271		353
272	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
273		356
274	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
277	}	361	}
278	}	362	}
279		363
…		…
282		366
283	! ! $LOCK{$key}	367	! ! $LOCK{$key}
284	}	368	}
285		369
286	sub freeze_mainloop {	370	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
288		372
289	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
290	$TICK_WATCHER->start;	374	}
		375
		376	=item cf::periodic $interval, $cb
		377
		378	Like EV::periodic, but randomly selects a starting point so that the actions
		379	get spread over timer.
		380
		381	=cut
		382
		383	sub periodic($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
		389	}
		390
		391	=item cf::get_slot $time[, $priority[, $name]]
		392
		393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		394	This call blocks and returns only when you have at least C<$time> seconds
		395	of cpu time till the next tick. The slot is only valid till the next cede.
		396
		397	The optional C<$name> can be used to identify the job to run. It might be
		398	used for statistical purposes and should identify the same time-class.
		399
		400	Useful for short background jobs.
		401
		402	=cut
		403
		404	our @SLOT_QUEUE;
		405	our $SLOT_QUEUE;
		406
		407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
		411	my $signal = new Coro::Signal;
		412
		413	while () {
		414	next_job:
		415	my $avail = cf::till_tick;
		416	if ($avail > 0.01) {
		417	for (0 .. $#SLOT_QUEUE) {
		418	if ($SLOT_QUEUE[$_][0] < $avail) {
		419	my $job = splice @SLOT_QUEUE, $_, 1, ();
		420	$job->[2]->send;
		421	Coro::cede;
		422	goto next_job;
		423	}
		424	}
		425	}
		426
		427	if (@SLOT_QUEUE) {
		428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		429	push @cf::WAIT_FOR_TICK, $signal;
		430	$signal->wait;
		431	} else {
		432	Coro::schedule;
		433	}
291	};	434	}
292	$TICK_WATCHER->stop;	435	};
293	$guard	436
		437	sub get_slot($;$$) {
		438	return if tick_inhibit || $Coro::current == $Coro::main;
		439
		440	my ($time, $pri, $name) = @_;
		441
		442	$time = $TICK * .6 if $time > $TICK * .6;
		443	my $sig = new Coro::Signal;
		444
		445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		447	$SLOT_QUEUE->ready;
		448	$sig->wait;
294	}	449	}
295		450
296	=item cf::async { BLOCK }	451	=item cf::async { BLOCK }
297		452
298	Currently the same as Coro::async_pool, meaning you cannot use	453	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		458
304	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
305		460
306	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
307		462
308	The design of crossfire+ requires that the main coro ($Coro::main) is	463	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	464	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		466	acceptable.
311		467
312	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	470	server will be frozen during this time, so the block should either finish
315	fast or be very important.	471	fast or be very important.
…		…
318		474
319	sub sync_job(&) {	475	sub sync_job(&) {
320	my ($job) = @_;	476	my ($job) = @_;
321		477
322	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
		479	my $time = EV::time;
		480
323	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
325		483
326	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	485
328	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
329		487
330	my $busy = 1;	488	my $busy = 1;
331	my @res;	489	my @res;
332		490
333	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	493	@res = eval { $job->() };
335	warn $@ if $@;	494	warn $@ if $@;
336	undef $busy;	495	undef $busy;
337	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
338		497
339	while ($busy) {	498	while ($busy) {
340	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
341	}	503	}
		504	}
		505
		506	my $time = EV::time - $time;
		507
		508	$TICK_START += $time; # do not account sync jobs to server load
342		509
343	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
344	} else {	511	} else {
345	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
346		513
…		…
366	$EXT_CORO{$coro+0} = $coro;	533	$EXT_CORO{$coro+0} = $coro;
367		534
368	$coro	535	$coro
369	}	536	}
370		537
371	sub write_runtime {	538	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		539
374	my $runtime = "$LOCALDIR/runtime";	540	Executes the given code block with the given arguments in a seperate
		541	process, returning the results. Everything must be serialisable with
		542	Coro::Storable. May, of course, block. Note that the executed sub may
		543	never block itself or use any form of event handling.
375		544
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	545	=cut
377	or return;
378		546
379	my $value = $cf::RUNTIME + 90 + 10;	547	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	548	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		549
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	550	# we seemingly have to make a local copy of the whole thing,
384	and return;	551	# otherwise perl prematurely frees the stuff :/
		552	# TODO: investigate and fix (likely this will be rather laborious)
385		553
386	# always fsync - this file is important	554	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	555	reset_signals;
388	and return;	556	&$cb
		557	}, @args;
389		558
390	close $fh	559	wantarray ? @res : $res[-1]
391	or return;	560	}
392		561
393	aio_rename "$runtime~", $runtime	562	=item $coin = coin_from_name $name
394	and return;
395		563
		564	=cut
		565
		566	our %coin_alias = (
		567	"silver" => "silvercoin",
		568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
		582
		583	sub coin_from_name($) {
		584	$coin_alias{$_[0]}
		585	? cf::arch::find $coin_alias{$_[0]}
		586	: undef
		587	}
		588
		589	=item $value = cf::db_get $family => $key
		590
		591	Returns a single value from the environment database.
		592
		593	=item cf::db_put $family => $key => $value
		594
		595	Stores the given C<$value> in the family. It can currently store binary
		596	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		597
		598	=item $db = cf::db_table "name"
		599
		600	Create and/or open a new database table. The string must not be "db" and must be unique
		601	within each server.
		602
		603	=cut
		604
		605	sub db_table($) {
		606	my ($name) = @_;
		607	my $db = BDB::db_create $DB_ENV;
		608
		609	eval {
		610	$db->set_flags (BDB::CHKSUM);
		611
		612	utf8::encode $name;
		613	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		614	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		615	cf::cleanup "db_open(db): $!" if $!;
		616	};
		617	cf::cleanup "db_open(db): $@" if $@;
		618
		619	$db
		620	}
		621
		622	our $DB;
		623
		624	sub db_init {
		625	cf::sync_job {
		626	$DB ||= db_table "db";
		627	};
		628	}
		629
		630	sub db_get($$) {
		631	my $key = "$_[0]/$_[1]";
		632
		633	cf::sync_job {
		634	BDB::db_get $DB, undef, $key, my $data;
		635
		636	$! ? ()
		637	: $data
396	1	638	}
		639	}
		640
		641	sub db_put($$$) {
		642	BDB::dbreq_pri 4;
		643	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		644	}
		645
		646	=item cf::cache $id => [$paths...], $processversion => $process
		647
		648	Generic caching function that returns the value of the resource $id,
		649	caching and regenerating as required.
		650
		651	This function can block.
		652
		653	=cut
		654
		655	sub cache {
		656	my ($id, $src, $processversion, $process) = @_;
		657
		658	my $meta =
		659	join "\x00",
		660	$processversion,
		661	map {
		662	aio_stat $_
		663	and Carp::croak "$_: $!";
		664
		665	($_, (stat _)[7,9])
		666	} @$src;
		667
		668	my $dbmeta = db_get cache => "$id/meta";
		669	if ($dbmeta ne $meta) {
		670	# changed, we may need to process
		671
		672	my @data;
		673	my $md5;
		674
		675	for (0 .. $#$src) {
		676	0 <= aio_load $src->[$_], $data[$_]
		677	or Carp::croak "$src->[$_]: $!";
		678	}
		679
		680	# if processing is expensive, check
		681	# checksum first
		682	if (1) {
		683	$md5 =
		684	join "\x00",
		685	$processversion,
		686	map {
		687	cf::cede_to_tick;
		688	($src->[$_], Digest::MD5::md5_hex $data[$_])
		689	} 0.. $#$src;
		690
		691
		692	my $dbmd5 = db_get cache => "$id/md5";
		693	if ($dbmd5 eq $md5) {
		694	db_put cache => "$id/meta", $meta;
		695
		696	return db_get cache => "$id/data";
		697	}
		698	}
		699
		700	my $t1 = Time::HiRes::time;
		701	my $data = $process->(\@data);
		702	my $t2 = Time::HiRes::time;
		703
		704	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		705
		706	db_put cache => "$id/data", $data;
		707	db_put cache => "$id/md5" , $md5;
		708	db_put cache => "$id/meta", $meta;
		709
		710	return $data;
		711	}
		712
		713	db_get cache => "$id/data"
397	}	714	}
398		715
399	=item cf::datalog type => key => value, ...	716	=item cf::datalog type => key => value, ...
400		717
401	Log a datalog packet of the given type with the given key-value pairs.	718	Log a datalog packet of the given type with the given key-value pairs.
…		…
419	attach callbacks/event handlers (a collection of which is called an "attachment")	736	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
421		738
422	In the following description, CLASS can be any of C<global>, C<object>	739	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	740	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	741	Deliantra).
425		742
426	=over 4	743	=over 4
427		744
428	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
429		746
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	909	$registry = $CB_TYPE[$object_type] ||= [];
593		910
594	} elsif ($type eq "subtype") {	911	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	912	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	913	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	914	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		915
599	} elsif ($type eq "package") {	916	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	917	my $pkg = shift @arg;
601		918
602	while (my ($name, $id) = each %cb_id) {	919	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	948	_attach $registry, $klass, @attach;
632	}	949	}
633		950
634	$obj->{$name} = \%arg;	951	$obj->{$name} = \%arg;
635	} else {	952	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	953	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	954	}
638		955
639	$obj->{_attachment}{$name} = undef;	956	$obj->{_attachment}{$name} = undef;
640	}	957	}
641		958
…		…
643	if (ref $_[0]) {	960	if (ref $_[0]) {
644	_object_attach @_;	961	_object_attach @_;
645	} else {	962	} else {
646	_attach shift->_attach_registry, @_;	963	_attach shift->_attach_registry, @_;
647	}	964	}
		965	_recalc_want;
648	};	966	};
649		967
650	# all those should be optimised	968	# all those should be optimised
651	sub cf::attachable::detach {	969	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	970	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	973	delete $obj->{_attachment}{$name};
656	reattach ($obj);	974	reattach ($obj);
657	} else {	975	} else {
658	Carp::croak "cannot, currently, detach class attachments";	976	Carp::croak "cannot, currently, detach class attachments";
659	}	977	}
		978	_recalc_want;
660	};	979	};
661		980
662	sub cf::attachable::attached {	981	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	982	my ($obj, $name) = @_;
664		983
…		…
679	";	998	";
680	die if $@;	999	die if $@;
681	}	1000	}
682		1001
683	our $override;	1002	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1003	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1004
686	sub override {	1005	sub override {
687	$override = 1;	1006	$override = 1;
688	@invoke_results = ();	1007	@INVOKE_RESULTS = (@_);
689	}	1008	}
690		1009
691	sub do_invoke {	1010	sub do_invoke {
692	my $event = shift;	1011	my $event = shift;
693	my $callbacks = shift;	1012	my $callbacks = shift;
694		1013
695	@invoke_results = ();	1014	@INVOKE_RESULTS = ();
696		1015
697	local $override;	1016	local $override;
698		1017
699	for (@$callbacks) {	1018	for (@$callbacks) {
700	eval { &{$_->[1]} };	1019	eval { &{$_->[1]} };
…		…
709	}	1028	}
710		1029
711	0	1030	0
712	}	1031	}
713		1032
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1034
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1036
718	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
719		1038
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1039	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	1040	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1041	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1042
724	=back	1043	=back
725		1044
726	=cut	1045	=cut
727		1046
728	#############################################################################	1047	#############################################################################
729	# object support	1048	# object support
		1049
		1050	sub _object_equal($$);
		1051	sub _object_equal($$) {
		1052	my ($a, $b) = @_;
		1053
		1054	return 0 unless (ref $a) eq (ref $b);
		1055
		1056	if ("HASH" eq ref $a) {
		1057	my @ka = keys %$a;
		1058	my @kb = keys %$b;
		1059
		1060	return 0 if @ka != @kb;
		1061
		1062	for (0 .. $#ka) {
		1063	return 0 unless $ka[$_] eq $kb[$_];
		1064	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1065	}
		1066
		1067	} elsif ("ARRAY" eq ref $a) {
		1068
		1069	return 0 if @$a != @$b;
		1070
		1071	for (0 .. $#$a) {
		1072	return 0 unless _object_equal $a->[$_], $b->[$_];
		1073	}
		1074
		1075	} elsif ($a ne $b) {
		1076	return 0;
		1077	}
		1078
		1079	1
		1080	}
		1081
		1082	our $SLOW_MERGES;#d#
		1083	sub _can_merge {
		1084	my ($ob1, $ob2) = @_;
		1085
		1086	++$SLOW_MERGES;#d#
		1087
		1088	# we do the slow way here
		1089	return _object_equal $ob1, $ob2
		1090	}
730		1091
731	sub reattach {	1092	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1094	my ($obj) = @_;
734		1095
		1096	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1097	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1098
737	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
738		1100
739	@$registry = ();	1101	@$registry = ();
740		1102
…		…
755	cf::attachable->attach (	1117	cf::attachable->attach (
756	prio => -1000000,	1118	prio => -1000000,
757	on_instantiate => sub {	1119	on_instantiate => sub {
758	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
759		1121
760	$data = from_json $data;	1122	$data = decode_json $data;
761		1123
762	for (@$data) {	1124	for (@$data) {
763	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
764		1126
765	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1143	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
783		1145
784	sync_job {	1146	sync_job {
785	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
788		1151
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1156	aio_close $fh;
794		1157
795	if (@$objs) {	1158	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1164	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
803	}	1166	}
804	} else {	1167	} else {
805	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
806	}	1169	}
…		…
811	}	1174	}
812	} else {	1175	} else {
813	aio_unlink $filename;	1176	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
815	}	1178	}
816	}	1179	};
817	}	1180	}
818		1181
819	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
821		1184
…		…
833	or return;	1196	or return;
834		1197
835	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
837	or return;	1200	or return;
		1201
838	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
839	}	1204	}
840		1205
		1206	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
843	return ($data, $av);	1210	($data, $av)
844	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
845		1218
846	#############################################################################	1219	#############################################################################
847	# command handling &c	1220	# command handling &c
848		1221
849	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1236	}
864		1237
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1239
867	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
868		1245
869	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
870	called.	1247	called.
871		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
872	=cut	1260	=cut
873		1261
874	sub register_extcmd {	1262	sub register_extcmd {
875	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
876		1264
877	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
		1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
878	}	1272	}
879		1273
880	cf::player->attach (	1274	cf::player->attach (
881	on_command => sub {	1275	on_command => sub {
882	my ($pl, $name, $params) = @_;	1276	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1285	cf::override;
892	},	1286	},
893	on_extcmd => sub {	1287	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
895		1289
896	my $msg = eval { from_json $buf };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1291
898	if (ref $msg) {	1292	if (ref $msg) {
		1293	my ($type, $reply, @payload) =
		1294	"ARRAY" eq ref $msg
		1295	? @$msg
		1296	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1297
		1298	my @reply;
		1299
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
904	} else {	1307	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1309	}
907		1310
908	cf::override;	1311	cf::override;
909	},	1312	},
910	);	1313	);
911		1314
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1315	sub load_extensions {
		1316	cf::sync_job {
		1317	my %todo;
		1318
947	for my $ext (<$LIBDIR/*.ext>) {	1319	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1320	next unless -r $path;
949	eval {	1321
950	load_extension $ext;	1322	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1323	my $base = $1;
		1324	my $pkg = $1;
		1325	$pkg =~ s/[^[:word:]]/_/g;
		1326	$pkg = "ext::$pkg";
		1327
		1328	open my $fh, "<:utf8", $path
		1329	or die "$path: $!";
		1330
		1331	my $source = do { local $/; <$fh> };
		1332
		1333	my %ext = (
		1334	path => $path,
		1335	base => $base,
		1336	pkg => $pkg,
		1337	);
		1338
		1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1341
		1342	$ext{source} =
		1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1344	. "#line 1 \"$path\"\n{\n"
		1345	. $source
		1346	. "\n};\n1";
		1347
		1348	$todo{$base} = \%ext;
		1349	}
		1350
		1351	my %done;
		1352	while (%todo) {
		1353	my $progress;
		1354
		1355	while (my ($k, $v) = each %todo) {
		1356	for (split /,\s*/, $v->{meta}{depends}) {
		1357	goto skip
		1358	unless exists $done{$_};
		1359	}
		1360
		1361	warn "... loading '$k' into '$v->{pkg}'\n";
		1362
		1363	unless (eval $v->{source}) {
		1364	my $msg = $@ ? "$v->{path}: $@\n"
		1365	: "$v->{base}: extension inactive.\n";
		1366
		1367	if (exists $v->{meta}{mandatory}) {
		1368	warn $msg;
		1369	cf::cleanup "mandatory extension failed to load, exiting.";
		1370	}
		1371
		1372	warn $msg;
		1373	}
		1374
		1375	$done{$k} = delete $todo{$k};
		1376	push @EXTS, $v->{pkg};
		1377	$progress = 1;
951	1	1378	}
952	} or warn "$ext not loaded: $@";	1379
		1380	skip:
		1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1382	unless $progress;
		1383	}
953	}	1384	};
954	}	1385	}
955		1386
956	#############################################################################	1387	#############################################################################
957		1388
		1389	=back
		1390
958	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
959		1392
960	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core crossfire objects.
961		1394
962	=cut	1395	=cut
…		…
966	use Coro::AIO;	1399	use Coro::AIO;
967		1400
968	=head3 cf::player	1401	=head3 cf::player
969		1402
970	=over 4	1403	=over 4
		1404
		1405	=item cf::player::num_playing
		1406
		1407	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1408
		1409	=cut
		1410
		1411	sub num_playing {
		1412	scalar grep
		1413	$_->ob->map
		1414	&& !$_->hidden
		1415	&& !$_->ob->flag (cf::FLAG_WIZ),
		1416	cf::player::list
		1417	}
971		1418
972	=item cf::player::find $login	1419	=item cf::player::find $login
973		1420
974	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
975		1422
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1458	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1459	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1460	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1461	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1462
1016	my $pl = load_pl path $login	1463	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1464	or return;
		1465
		1466	my $pl = cf::player::load_pl $f
		1467	or return;
		1468
		1469	local $cf::PLAYER_LOADING{$login} = $pl;
		1470	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
1019	}	1472	}
1020	}	1473	}
1021	}	1474	}
1022		1475
…		…
1031	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1032		1485
1033	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
1035		1488
		1489	cf::get_slot 0.01;
		1490
1036	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1037	Coro::cede;	1492	cf::cede_to_tick;
1038	}	1493	}
1039		1494
1040	sub new($) {	1495	sub new($) {
1041	my ($login) = @_;	1496	my ($login) = @_;
1042		1497
…		…
1048	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1049		1504
1050	$self	1505	$self
1051	}	1506	}
1052		1507
		1508	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1509
		1510	=cut
		1511
		1512	sub send_msg {
		1513	my $ns = shift->ns
		1514	or return;
		1515	$ns->send_msg (@_);
		1516	}
		1517
1053	=item $pl->quit_character	1518	=item $pl->quit_character
1054		1519
1055	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1057		1522
…		…
1061	my ($pl) = @_;	1526	my ($pl) = @_;
1062		1527
1063	my $name = $pl->ob->name;	1528	my $name = $pl->ob->name;
1064		1529
1065	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1532
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1072		1539
1073	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1577	or return [];
1111		1578
1112	my @logins;	1579	my @logins;
1113		1580
1114	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
		1582	my $path = path $login;
		1583
		1584	# a .pst is a dead give-away for a valid player
		1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1118		1591
1119	utf8::decode $login;	1592	utf8::decode $login;
1120	push @logins, $login;	1593	push @logins, $login;
1121	}	1594	}
1122		1595
…		…
1149	}	1622	}
1150		1623
1151	\@paths	1624	\@paths
1152	}	1625	}
1153		1626
		1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1628
		1629	Expand crossfire pod fragments into protocol xml.
		1630
1154	=item $player->ext_reply ($msgid, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1155		1632
1156	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1157		1634
1158	=cut	1635	=cut
1159		1636
1160	sub ext_reply($$%) {	1637	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1162		1639
1163	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1641	}
1167		1642
1168	=item $player->ext_event ($type, %msg)	1643	=item $player->ext_msg ($type, @msg)
1169		1644
1170	Sends an ext event to the client.	1645	Sends an ext event to the client.
1171		1646
1172	=cut	1647	=cut
1173		1648
1174	sub ext_event($$%) {	1649	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1650	my ($self, $type, @msg) = @_;
1176		1651
1177	$self->ns->ext_event ($type, %msg);	1652	$self->ns->ext_msg ($type, @msg);
1178	}	1653	}
1179		1654
1180	=head3 cf::region	1655	=head3 cf::region
1181		1656
1182	=over 4	1657	=over 4
…		…
1185		1660
1186	package cf::region;	1661	package cf::region;
1187		1662
1188	=item cf::region::find_by_path $path	1663	=item cf::region::find_by_path $path
1189		1664
1190	Tries to decuce the probable region for a map knowing only its path.	1665	Tries to decuce the likely region for a map knowing only its path.
1191		1666
1192	=cut	1667	=cut
1193		1668
1194	sub find_by_path($) {	1669	sub find_by_path($) {
1195	my ($path) = @_;	1670	my ($path) = @_;
1196		1671
1197	my ($match, $specificity);	1672	my ($match, $specificity);
1198		1673
1199	for my $region (list) {	1674	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1675	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1676	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1677	if $region->specificity > $specificity;
1203	}	1678	}
1204	}	1679	}
1205		1680
…		…
1226	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1228		1703
1229	sub generate_random_map {	1704	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1705	my ($self, $rmp) = @_;
		1706
		1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1708
1231	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1710	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1269	my ($self, $merge) = @_;	1747	my ($self, $merge) = @_;
1270		1748
1271	# we have to keep some variables in memory intact	1749	# we have to keep some variables in memory intact
1272	local $self->{path};	1750	local $self->{path};
1273	local $self->{load_path};	1751	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1752
1277	$self->SUPER::thawer_merge ($merge);	1753	$self->SUPER::thawer_merge ($merge);
1278	}	1754	}
1279		1755
1280	sub normalise {	1756	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1328	return $self;	1804	return $self;
1329	}	1805	}
1330	}	1806	}
1331		1807
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1809	()
1334	}	1810	}
1335		1811
1336	sub init {	1812	sub init {
1337	my ($self) = @_;	1813	my ($self) = @_;
…		…
1359		1835
1360	# the temporary/swap location	1836	# the temporary/swap location
1361	sub save_path {	1837	sub save_path {
1362	my ($self) = @_;	1838	my ($self) = @_;
1363		1839
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1841	"$TMPDIR/$path.map"
1366	}	1842	}
1367		1843
1368	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1369	sub uniq_path {	1845	sub uniq_path {
1370	my ($self) = @_;	1846	my ($self) = @_;
1371		1847
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1849	"$UNIQUEDIR/$path"
1374	}	1850	}
1375		1851
1376	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1377	# all maps in C++...	1853	# all maps in C++...
…		…
1380		1856
1381	$_->change_map_light ($change)	1857	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1858	for grep $_->outdoor, values %cf::MAP;
1383	}	1859	}
1384		1860
		1861	sub decay_objects {
		1862	my ($self) = @_;
		1863
		1864	return if $self->{deny_reset};
		1865
		1866	$self->do_decay_objects;
		1867	}
		1868
1385	sub unlink_save {	1869	sub unlink_save {
1386	my ($self) = @_;	1870	my ($self) = @_;
1387		1871
1388	utf8::encode (my $save = $self->save_path);	1872	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1873	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1876
1393	sub load_header_from($) {	1877	sub load_header_from($) {
1394	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1395		1879
1396	utf8::encode $path;	1880	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1882	or return;
		1883
		1884	$self->_load_header ($f)
		1885	or return;
		1886
		1887	local $MAP_LOADING{$self->{path}} = $self;
		1888	$f->resolve_delayed_derefs;
1402		1889
1403	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1404		1891
1405	1	1892	1
1406	}	1893	}
…		…
1445	$self->load_header_orig	1932	$self->load_header_orig
1446	or return;	1933	or return;
1447	$self->prepare_orig;	1934	$self->prepare_orig;
1448	}	1935	}
1449		1936
		1937	$self->{deny_reset} = 1
		1938	if $self->no_reset;
		1939
1450	$self->default_region (cf::region::find_by_path $self->{path})	1940	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1941	unless $self->default_region;
1452		1942
1453	1	1943	1
1454	}	1944	}
…		…
1457	sub find {	1947	sub find {
1458	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1459		1949
1460	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1461		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1463		1954
1464	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1465	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1466	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1467	or return;	1960	or return;
1468		1961
1469	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1470		1963
1471	$map->load_header	1964	$map->load_header
1472	or return;	1965	or return;
1473		1966
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1477	$map->reset;	1972	$map->reset;
1478	undef $guard;
1479	return find $path;	1973	return find $path;
1480	}	1974	}
1481		1975
1482	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1483	}	1977	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1493		1987
1494	my $path = $self->{path};	1988	my $path = $self->{path};
1495		1989
1496	{	1990	{
1497	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1498		1992
		1993	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		1995
1501	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1502		1997
1503	$self->alloc;	1998	$self->alloc;
1504		1999
1505	$self->pre_load;	2000	$self->pre_load;
1506	Coro::cede;	2001	cf::cede_to_tick;
1507		2002
		2003	my $f = new_from_file cf::object::thawer $self->{load_path};
		2004	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	2005	$self->_load_objects ($f)
1509	or return;	2006	or return;
1510		2007
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1512	if delete $self->{load_original};	2009	if delete $self->{load_original};
1513		2010
1514	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2012	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2015	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1519	}	2019	}
1520	}	2020	}
1521		2021
1522	Coro::cede;	2022	$f->resolve_delayed_derefs;
		2023
		2024	cf::cede_to_tick;
1523	# now do the right thing for maps	2025	# now do the right thing for maps
1524	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2028	unless $self->difficulty;
1527	Coro::cede;	2029	cf::cede_to_tick;
1528		2030
1529	unless ($self->{deny_activate}) {	2031	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2032	$self->decay_objects;
1531	$self->fix_auto_apply;	2033	$self->fix_auto_apply;
1532	$self->update_buttons;	2034	$self->update_buttons;
1533	Coro::cede;	2035	cf::cede_to_tick;
1534	$self->set_darkness_map;	2036	$self->set_darkness_map;
1535	Coro::cede;	2037	cf::cede_to_tick;
1536	$self->activate;	2038	$self->activate;
1537	}	2039	}
1538		2040
		2041	$self->{last_save} = $cf::RUNTIME;
		2042	$self->last_access ($cf::RUNTIME);
		2043
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2044	$self->in_memory (cf::MAP_ACTIVE);
1540	}	2045	}
1541		2046
1542	$self->post_load;	2047	$self->post_load;
1543	}	2048	}
1544		2049
…		…
1546	my ($self, $ob) = @_;	2051	my ($self, $ob) = @_;
1547		2052
1548	return find "~" . $ob->name . "/" . $self->{path}	2053	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2054	if $self->per_player;
1550		2055
		2056	# return find "?party/" . $ob->name . "/" . $self->{path}
		2057	# if $self->per_party;
		2058
1551	$self	2059	$self
1552	}	2060	}
1553		2061
1554	# find and load all maps in the 3x3 area around a map	2062	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	2063	sub load_neighbours {
1556	my ($map) = @_;	2064	my ($map) = @_;
1557		2065
1558	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1559		2067
1560	for (0 .. 3) {	2068	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1562	or next;	2070	or next;
1563	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1564	or next;	2072	or next;
1565	$neigh->load;	2073	$neigh->load;
1566		2074
		2075	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2078	}
1570		2079
1571	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1573	or next;	2083	or next;
1574	$neigh->load;	2084	$neigh->load;
1575	}	2085	}
1576	}	2086	}
1577		2087
…		…
1582	}	2092	}
1583		2093
1584	sub do_load_sync {	2094	sub do_load_sync {
1585	my ($map) = @_;	2095	my ($map) = @_;
1586		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1587	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1588	}	2101	}
1589		2102
1590	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1592		2105
1593	sub find_async {	2106	sub find_async {
1594	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1595		2108
1596	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1597		2110
1598	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600	}	2113	}
1601		2114
1602	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1603	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1604	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2122	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2123	$map->load if $v;
		2124	}
1609		2125
1610	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1611	}	2127	}
1612	}	2128	}
1613	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1614	};	2130	};
1615	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1618	}	2134	}
1619		2135
1620	sub save {	2136	sub save {
1621	my ($self) = @_;	2137	my ($self) = @_;
1622		2138
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1624		2140
1625	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1626		2142
1627	return unless $self->dirty;	2143	return unless $self->dirty;
1628		2144
…		…
1634	return if $self->{deny_save};	2150	return if $self->{deny_save};
1635		2151
1636	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1637		2153
1638	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1640	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1641		2160
1642	if ($uniq) {	2161	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1645	} else {	2164	} else {
…		…
1651	my ($self) = @_;	2170	my ($self) = @_;
1652		2171
1653	# save first because save cedes	2172	# save first because save cedes
1654	$self->save;	2173	$self->save;
1655		2174
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2176
1658	return if $self->players;	2177	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1660	return if $self->{deny_save};	2179	return if $self->{deny_save};
1661		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1662	$self->clear;	2185	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2186	}
1665		2187
1666	sub reset_at {	2188	sub reset_at {
1667	my ($self) = @_;	2189	my ($self) = @_;
1668		2190
1669	# TODO: safety, remove and allow resettable per-player maps	2191	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2192	return 1e99 if $self->{deny_reset};
1672		2193
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2195	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2196
…		…
1686	my ($self) = @_;	2207	my ($self) = @_;
1687		2208
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2210
1690	return if $self->players;	2211	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2212
1693	warn "resetting map ", $self->path;#d#	2213	warn "resetting map ", $self->path;
1694		2214
1695	$self->in_memory (cf::MAP_SWAPPED);	2215	$self->in_memory (cf::MAP_SWAPPED);
1696		2216
1697	# need to save uniques path	2217	# need to save uniques path
1698	unless ($self->{deny_save}) {	2218	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2222	if $uniq;
1703	}	2223	}
1704		2224
1705	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1706		2226
		2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2229	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2230
1711	$self->unlink_save;	2231	$self->unlink_save;
1712	$self->destroy;	2232	$self->destroy;
1713	}	2233	}
1714		2234
1715	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
1716		2236
1717	sub nuke {	2237	sub nuke {
1718	my ($self) = @_;	2238	my ($self) = @_;
1719		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1720	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1721		2244
1722	$self->unlink_save;	2245	$self->unlink_save;
1723		2246
1724	bless $self, "cf::map";	2247	bless $self, "cf::map";
1725	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2252
1730	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
1731		2255
1732	$self->reset; # polite request, might not happen	2256	$self->reset; # polite request, might not happen
		2257	}
		2258
		2259	=item $maps = cf::map::tmp_maps
		2260
		2261	Returns an arrayref with all map paths of currently instantiated and saved
		2262	maps. May block.
		2263
		2264	=cut
		2265
		2266	sub tmp_maps() {
		2267	[
		2268	map {
		2269	utf8::decode $_;
		2270	/\.map$/
		2271	? normalise $_
		2272	: ()
		2273	} @{ aio_readdir $TMPDIR or [] }
		2274	]
		2275	}
		2276
		2277	=item $maps = cf::map::random_maps
		2278
		2279	Returns an arrayref with all map paths of currently instantiated and saved
		2280	random maps. May block.
		2281
		2282	=cut
		2283
		2284	sub random_maps() {
		2285	[
		2286	map {
		2287	utf8::decode $_;
		2288	/\.map$/
		2289	? normalise "?random/$_"
		2290	: ()
		2291	} @{ aio_readdir $RANDOMDIR or [] }
		2292	]
1733	}	2293	}
1734		2294
1735	=item cf::map::unique_maps	2295	=item cf::map::unique_maps
1736		2296
1737	Returns an arrayref of paths of all shared maps that have	2297	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2298	instantiated unique items. May block.
1739		2299
1740	=cut	2300	=cut
1741		2301
1742	sub unique_maps() {	2302	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2303	[
1744	or return;	2304	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2305	utf8::decode $_;
1750	next if /\.pst$/;	2306	s/\.map$//; # TODO future compatibility hack
1751	next unless /^$PATH_SEP/o;	2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752		2308	? ()
1753	push @paths, cf::map::normalise $_;	2309	: normalise $_
		2310	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2311	]
1755
1756	\@paths
1757	}	2312	}
1758
1759	package cf;
1760		2313
1761	=back	2314	=back
1762		2315
1763	=head3 cf::object	2316	=head3 cf::object
1764		2317
…		…
1768		2321
1769	=over 4	2322	=over 4
1770		2323
1771	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
1772		2325
1773	Returns the inventory of the object _and_ their inventories, recursively.	2326	Returns the inventory of the object I<and> their inventories, recursively,
		2327	but I<not> the object itself.
1774		2328
1775	=cut	2329	=cut
1776		2330
1777	sub inv_recursive_;	2331	sub inv_recursive_;
1778	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
1781		2335
1782	sub inv_recursive {	2336	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
1784	}	2338	}
1785		2339
		2340	=item $ref = $ob->ref
		2341
		2342	Creates and returns a persistent reference to an object that can be stored as a string.
		2343
		2344	=item $ob = cf::object::deref ($refstring)
		2345
		2346	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2347	even if the object actually exists. May block.
		2348
		2349	=cut
		2350
		2351	sub deref {
		2352	my ($ref) = @_;
		2353
		2354	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2355	my ($uuid, $name) = ($1, $2);
		2356	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2357	or return;
		2358	$pl->ob->uuid eq $uuid
		2359	or return;
		2360
		2361	$pl->ob
		2362	} else {
		2363	warn "$ref: cannot resolve object reference\n";
		2364	undef
		2365	}
		2366	}
		2367
1786	package cf;	2368	package cf;
1787		2369
1788	=back	2370	=back
1789		2371
1790	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
1796	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2378	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797	can be C<undef>. Does the right thing when the player is currently in a	2379	can be C<undef>. Does the right thing when the player is currently in a
1798	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
1799		2381
1800	=cut	2382	=cut
		2383
		2384	our $SAY_CHANNEL = {
		2385	id => "say",
		2386	title => "Map",
		2387	reply => "say ",
		2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2389	};
		2390
		2391	our $CHAT_CHANNEL = {
		2392	id => "chat",
		2393	title => "Chat",
		2394	reply => "chat ",
		2395	tooltip => "Player chat and shouts, global to the server.",
		2396	};
1801		2397
1802	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
1803	# with dialog boxes.	2399	# with dialog boxes.
1804	#TODO: the first argument must go, split into a $npc->reply_to ( method	2400	#TODO: the first argument must go, split into a $npc->reply_to ( method
1805	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
1807		2403
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2404	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2405
1810	if ($self->{record_replies}) {	2406	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2407	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2408
1812	} else {	2409	} else {
		2410	my $pl = $self->contr;
		2411
		2412	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2413	my $dialog = $pl->{npc_dialog};
		2414	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2415
		2416	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2419	}
1815	}	2420	}
		2421	}
		2422
		2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2424
		2425	=cut
		2426
		2427	sub cf::object::send_msg {
		2428	my $pl = shift->contr
		2429	or return;
		2430	$pl->send_msg (@_);
1816	}	2431	}
1817		2432
1818	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
1819		2434
1820	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
1833		2448
1834	=item $player_object->enter_link	2449	=item $player_object->enter_link
1835		2450
1836	Freezes the player and moves him/her to a special map (C<{link}>).	2451	Freezes the player and moves him/her to a special map (C<{link}>).
1837		2452
1838	The player should be reasonably safe there for short amounts of time. You	2453	The player should be reasonably safe there for short amounts of time (e.g.
1839	I<MUST> call C<leave_link> as soon as possible, though.	2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2455	though, as the palyer cannot control the character while it is on the link
		2456	map.
1840		2457
1841	Will never block.	2458	Will never block.
1842		2459
1843	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
1844		2461
…		…
1862	}	2479	}
1863		2480
1864	sub cf::object::player::enter_link {	2481	sub cf::object::player::enter_link {
1865	my ($self) = @_;	2482	my ($self) = @_;
1866		2483
1867	$self->activate_recursive;	2484	$self->deactivate_recursive;
1868		2485
1869	return if UNIVERSAL::isa $self->map, "ext::map_link";	2486	return if UNIVERSAL::isa $self->map, "ext::map_link";
1870		2487
1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872	if $self->map;	2489	if $self->map && $self->map->{path} ne "{link}";
1873		2490
1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2491	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1875	}	2492	}
1876		2493
1877	sub cf::object::player::leave_link {	2494	sub cf::object::player::leave_link {
1878	my ($self, $map, $x, $y) = @_;	2495	my ($self, $map, $x, $y) = @_;
		2496
		2497	return unless $self->contr->active;
1879		2498
1880	my $link_pos = delete $self->{_link_pos};	2499	my $link_pos = delete $self->{_link_pos};
1881		2500
1882	unless ($map) {	2501	unless ($map) {
1883	# restore original map position	2502	# restore original map position
…		…
1897	# use -1 or undef as default coordinates, not 0, 0	2516	# use -1 or undef as default coordinates, not 0, 0
1898	($x, $y) = ($map->enter_x, $map->enter_y)	2517	($x, $y) = ($map->enter_x, $map->enter_y)
1899	if $x <=0 && $y <= 0;	2518	if $x <=0 && $y <= 0;
1900		2519
1901	$map->load;	2520	$map->load;
1902	$map->load_diag;	2521	$map->load_neighbours;
1903		2522
1904	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1905	$self->activate_recursive;	2525	$self->activate_recursive;
1906		2526
1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1909	}	2529	}
1910		2530
1911	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1912	on_logout => sub {
1913	my ($pl) = @_;
1914		2532
1915	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1916	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1917	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1918	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1919	};	2537	be called at the end of this process.
1920	}
1921	},
1922	on_login => sub {
1923	my ($pl) = @_;
1924		2538
1925	# try to abort aborted map switching on player login :)	2539	Note that $check will be called with a potentially non-loaded map, so if
1926	# should happen only on crashes	2540	it needs a loaded map it has to call C<< ->load >>.
1927	if ($pl->ob->{_link_pos}) {
1928	$pl->ob->enter_link;
1929	(async {
1930	$pl->ob->reply (undef,
1931	"There was an internal problem at your last logout, "
1932	. "the server will try to bring you to your intended destination in a second.",
1933	cf::NDI_RED);
1934	# we need this sleep as the login has a concurrent enter_exit running
1935	# and this sleep increases chances of the player not ending up in scorn
1936	Coro::Timer::sleep 1;
1937	$pl->ob->leave_link;
1938	})->prio (2);
1939	}
1940	},
1941	);
1942		2541
1943	=item $player_object->goto ($path, $x, $y)
1944
1945	=cut	2542	=cut
		2543
		2544	our $GOTOGEN;
1946		2545
1947	sub cf::object::player::goto {	2546	sub cf::object::player::goto {
1948	my ($self, $path, $x, $y) = @_;	2547	my ($self, $path, $x, $y, $check, $done) = @_;
		2548
		2549	# do generation counting so two concurrent goto's will be executed in-order
		2550	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949		2551
1950	$self->enter_link;	2552	$self->enter_link;
1951		2553
1952	(async {	2554	(async {
		2555	$Coro::current->{desc} = "player::goto $path $x $y";
		2556
		2557	# *tag paths override both path and x|y
		2558	if ($path =~ /^\*(.*)$/) {
		2559	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2560	my $ob = $obs[rand @obs];
		2561
		2562	# see if we actually can go there
		2563	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2564	$ob = $obs[rand @obs];
		2565	} else {
		2566	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2567	}
		2568	# else put us there anyways for now #d#
		2569
		2570	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2571	} else {
		2572	($path, $x, $y) = (undef, undef, undef);
		2573	}
		2574	}
		2575
1953	my $map = eval {	2576	my $map = eval {
1954	my $map = cf::map::find $path;	2577	my $map = defined $path ? cf::map::find $path : undef;
		2578
		2579	if ($map) {
1955	$map = $map->customise_for ($self) if $map;	2580	$map = $map->customise_for ($self);
		2581	$map = $check->($map) if $check && $map;
		2582	} else {
		2583	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2584	}
		2585
1956	$map	2586	$map
		2587	};
		2588
		2589	if ($@) {
		2590	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2591	LOG llevError | logBacktrace, Carp::longmess $@;
1957	} or	2592	}
1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959		2593
		2594	if ($gen == $self->{_goto_generation}) {
		2595	delete $self->{_goto_generation};
1960	$self->leave_link ($map, $x, $y);	2596	$self->leave_link ($map, $x, $y);
		2597	}
		2598
		2599	$done->() if $done;
1961	})->prio (1);	2600	})->prio (1);
1962	}	2601	}
1963		2602
1964	=item $player_object->enter_exit ($exit_object)	2603	=item $player_object->enter_exit ($exit_object)
1965		2604
…		…
1985	}	2624	}
1986		2625
1987	sub prepare_random_map {	2626	sub prepare_random_map {
1988	my ($exit) = @_;	2627	my ($exit) = @_;
1989		2628
1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
1993	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
1994	# that depends on the exit object	2631	# that depends on the exit object
1995		2632
1996	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
1998	if ($exit->map) {	2635	if ($exit->map) {
1999	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
2000	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
2001	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
2002	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
2003	}	2642	}
2004		2643
2005	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
2006		2645
2007	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
2009	my $meta = "$RANDOMDIR/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
2010		2649
2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
2013	undef $fh;	2652	undef $fh;
2014	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
2015		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
2016	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
2017	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
2018	}	2661	}
2019	}	2662	}
2020		2663
2021	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
2022	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
2023		2666
2024	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
2025		2668
2026	if ($exit->slaying eq "/!") {
2027	#TODO: this should de-fi-ni-te-ly not be a sync-job
2028	# the problem is that $exit might not survive long enough
2029	# so it needs to be done right now, right here
2030	cf::sync_job { prepare_random_map $exit };
2031	}
2032
2033	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2034	my $hp = $exit->stats->hp;
2035	my $sp = $exit->stats->sp;
2036
2037	$self->enter_link;	2669	$self->enter_link;
2038		2670
2039	(async {	2671	(async {
2040	$self->deactivate_recursive; # just to be sure	2672	$Coro::current->{desc} = "enter_exit";
		2673
2041	unless (eval {	2674	unless (eval {
		2675	$self->deactivate_recursive; # just to be sure
		2676
		2677	# random map handling
		2678	{
		2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2680
		2681	prepare_random_map $exit
		2682	if $exit->slaying eq "/!";
		2683	}
		2684
		2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2686	my $x = $exit->stats->hp;
		2687	my $y = $exit->stats->sp;
		2688
2042	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
2043		2690
		2691	# if exit is damned, update players death & WoR home-position
		2692	$self->contr->savebed ($map, $x, $y)
		2693	if $exit->flag (cf::FLAG_DAMNED);
		2694
2044	1;	2695	1
2045	}) {	2696	}) {
2046	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the crossfire server. "
2047	. "I'll try to bring you back to the map you were before. "	2698	. "I'll try to bring you back to the map you were before. "
2048	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
2049	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2070		2721
2071	utf8::encode $text;	2722	utf8::encode $text;
2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073	}	2724	}
2074		2725
		2726	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2727
		2728	Send a drawinfo or msg packet to the client, formatting the msg for the
		2729	client if neccessary. C<$type> should be a string identifying the type of
		2730	the message, with C<log> being the default. If C<$color> is negative, suppress
		2731	the message unless the client supports the msg packet.
		2732
		2733	=cut
		2734
		2735	# non-persistent channels (usually the info channel)
		2736	our %CHANNEL = (
		2737	"c/identify" => {
		2738	id => "infobox",
		2739	title => "Identify",
		2740	reply => undef,
		2741	tooltip => "Items recently identified",
		2742	},
		2743	"c/examine" => {
		2744	id => "infobox",
		2745	title => "Examine",
		2746	reply => undef,
		2747	tooltip => "Signs and other items you examined",
		2748	},
		2749	"c/book" => {
		2750	id => "infobox",
		2751	title => "Book",
		2752	reply => undef,
		2753	tooltip => "The contents of a note or book",
		2754	},
		2755	"c/lookat" => {
		2756	id => "infobox",
		2757	title => "Look",
		2758	reply => undef,
		2759	tooltip => "What you saw there",
		2760	},
		2761	"c/who" => {
		2762	id => "infobox",
		2763	title => "Players",
		2764	reply => undef,
		2765	tooltip => "Shows players who are currently online",
		2766	},
		2767	"c/body" => {
		2768	id => "infobox",
		2769	title => "Body Parts",
		2770	reply => undef,
		2771	tooltip => "Shows which body parts you posess and are available",
		2772	},
		2773	"c/uptime" => {
		2774	id => "infobox",
		2775	title => "Uptime",
		2776	reply => undef,
		2777	tooltip => "How long the server has been running since last restart",
		2778	},
		2779	"c/mapinfo" => {
		2780	id => "infobox",
		2781	title => "Map Info",
		2782	reply => undef,
		2783	tooltip => "Information related to the maps",
		2784	},
		2785	"c/party" => {
		2786	id => "party",
		2787	title => "Party",
		2788	reply => "gsay ",
		2789	tooltip => "Messages and chat related to your party",
		2790	},
		2791	);
		2792
		2793	sub cf::client::send_msg {
		2794	my ($self, $channel, $msg, $color, @extra) = @_;
		2795
		2796	$msg = $self->pl->expand_cfpod ($msg);
		2797
		2798	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2799
		2800	# check predefined channels, for the benefit of C
		2801	if ($CHANNEL{$channel}) {
		2802	$channel = $CHANNEL{$channel};
		2803
		2804	$self->ext_msg (channel_info => $channel)
		2805	if $self->can_msg;
		2806
		2807	$channel = $channel->{id};
		2808
		2809	} elsif (ref $channel) {
		2810	# send meta info to client, if not yet sent
		2811	unless (exists $self->{channel}{$channel->{id}}) {
		2812	$self->{channel}{$channel->{id}} = $channel;
		2813	$self->ext_msg (channel_info => $channel)
		2814	if $self->can_msg;
		2815	}
		2816
		2817	$channel = $channel->{id};
		2818	}
		2819
		2820	return unless @extra || length $msg;
		2821
		2822	if ($self->can_msg) {
		2823	# default colour, mask it out
		2824	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2825	if $color & cf::NDI_DEF;
		2826
		2827	my $pkt = "msg "
		2828	. $self->{json_coder}->encode (
		2829	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2830	);
		2831
		2832	# try lzf for large packets
		2833	$pkt = "lzf " . Compress::LZF::compress $pkt
		2834	if 1024 <= length $pkt and $self->{can_lzf};
		2835
		2836	# split very large packets
		2837	if (8192 < length $pkt and $self->{can_lzf}) {
		2838	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2839	$pkt = "frag";
		2840	}
		2841
		2842	$self->send_packet ($pkt);
		2843	} else {
		2844	if ($color >= 0) {
		2845	# replace some tags by gcfclient-compatible ones
		2846	for ($msg) {
		2847	1 while
		2848	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2849	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2850	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2851	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2852	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2853	}
		2854
		2855	$color &= cf::NDI_COLOR_MASK;
		2856
		2857	utf8::encode $msg;
		2858
		2859	if (0 && $msg =~ /\[/) {
		2860	# COMMAND/INFO
		2861	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2862	} else {
		2863	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2864	$self->send_packet ("drawinfo $color $msg")
		2865	}
		2866	}
		2867	}
		2868	}
		2869
2075	=item $client->ext_event ($type, %msg)	2870	=item $client->ext_msg ($type, @msg)
2076		2871
2077	Sends an exti event to the client.	2872	Sends an ext event to the client.
2078		2873
2079	=cut	2874	=cut
2080		2875
2081	sub cf::client::ext_event($$%) {	2876	sub cf::client::ext_msg($$@) {
2082	my ($self, $type, %msg) = @_;	2877	my ($self, $type, @msg) = @_;
2083		2878
		2879	if ($self->extcmd == 2) {
		2880	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2881	} elsif ($self->extcmd == 1) { # TODO: remove
2084	$msg{msgtype} = "event_$type";	2882	push @msg, msgtype => "event_$type";
2085	$self->send_packet ("ext " . cf::to_json \%msg);	2883	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2884	}
		2885	}
		2886
		2887	=item $client->ext_reply ($msgid, @msg)
		2888
		2889	Sends an ext reply to the client.
		2890
		2891	=cut
		2892
		2893	sub cf::client::ext_reply($$@) {
		2894	my ($self, $id, @msg) = @_;
		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2898	} elsif ($self->extcmd == 1) {
		2899	#TODO: version 1, remove
		2900	unshift @msg, msgtype => "reply", msgid => $id;
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2902	}
2086	}	2903	}
2087		2904
2088	=item $success = $client->query ($flags, "text", \&cb)	2905	=item $success = $client->query ($flags, "text", \&cb)
2089		2906
2090	Queues a query to the client, calling the given callback with	2907	Queues a query to the client, calling the given callback with
2091	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2908	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2092	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2909	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093		2910
2094	Queries can fail, so check the return code. Or don't, as queries will become	2911	Queries can fail, so check the return code. Or don't, as queries will
2095	reliable at some point in the future.	2912	become reliable at some point in the future.
2096		2913
2097	=cut	2914	=cut
2098		2915
2099	sub cf::client::query {	2916	sub cf::client::query {
2100	my ($self, $flags, $text, $cb) = @_;	2917	my ($self, $flags, $text, $cb) = @_;
…		…
2108	utf8::encode $text;	2925	utf8::encode $text;
2109	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2926	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110		2927
2111	$self->send_packet ($self->{query_queue}[0][0])	2928	$self->send_packet ($self->{query_queue}[0][0])
2112	if @{ $self->{query_queue} } == 1;	2929	if @{ $self->{query_queue} } == 1;
		2930
		2931	1
2113	}	2932	}
2114		2933
2115	cf::client->attach (	2934	cf::client->attach (
		2935	on_connect => sub {
		2936	my ($ns) = @_;
		2937
		2938	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2939	},
2116	on_reply => sub {	2940	on_reply => sub {
2117	my ($ns, $msg) = @_;	2941	my ($ns, $msg) = @_;
2118		2942
2119	# this weird shuffling is so that direct followup queries	2943	# this weird shuffling is so that direct followup queries
2120	# get handled first	2944	# get handled first
…		…
2132	} else {	2956	} else {
2133	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2957	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134	}	2958	}
2135	}	2959	}
2136	},	2960	},
		2961	on_exticmd => sub {
		2962	my ($ns, $buf) = @_;
		2963
		2964	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2965
		2966	if (ref $msg) {
		2967	my ($type, $reply, @payload) =
		2968	"ARRAY" eq ref $msg
		2969	? @$msg
		2970	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2971
		2972	my @reply;
		2973
		2974	if (my $cb = $EXTICMD{$type}) {
		2975	@reply = $cb->($ns, @payload);
		2976	}
		2977
		2978	$ns->ext_reply ($reply, @reply)
		2979	if $reply;
		2980
		2981	} else {
		2982	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2983	}
		2984
		2985	cf::override;
		2986	},
2137	);	2987	);
2138		2988
2139	=item $client->async (\&cb)	2989	=item $client->async (\&cb)
2140		2990
2141	Create a new coroutine, running the specified callback. The coroutine will	2991	Create a new coroutine, running the specified callback. The coroutine will
…		…
2182	our $safe = new Safe "safe";	3032	our $safe = new Safe "safe";
2183	our $safe_hole = new Safe::Hole;	3033	our $safe_hole = new Safe::Hole;
2184		3034
2185	$SIG{FPE} = 'IGNORE';	3035	$SIG{FPE} = 'IGNORE';
2186		3036
2187	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3037	$safe->permit_only (Opcode::opset qw(
		3038	:base_core :base_mem :base_orig :base_math
		3039	grepstart grepwhile mapstart mapwhile
		3040	sort time
		3041	));
2188		3042
2189	# here we export the classes and methods available to script code	3043	# here we export the classes and methods available to script code
2190		3044
2191	=pod	3045	=pod
2192		3046
2193	The following functions and methods are available within a safe environment:	3047	The following functions and methods are available within a safe environment:
2194		3048
2195	cf::object contr pay_amount pay_player map	3049	cf::object
		3050	contr pay_amount pay_player map x y force_find force_add destroy
		3051	insert remove name archname title slaying race decrease split
		3052
2196	cf::object::player player	3053	cf::object::player
2197	cf::player peaceful	3054	player
2198	cf::map trigger	3055
		3056	cf::player
		3057	peaceful
		3058
		3059	cf::map
		3060	trigger
2199		3061
2200	=cut	3062	=cut
2201		3063
2202	for (	3064	for (
2203	["cf::object" => qw(contr pay_amount pay_player map)],	3065	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3066	insert remove inv nrof name archname title slaying race
		3067	decrease split destroy change_exp)],
2204	["cf::object::player" => qw(player)],	3068	["cf::object::player" => qw(player)],
2205	["cf::player" => qw(peaceful)],	3069	["cf::player" => qw(peaceful)],
2206	["cf::map" => qw(trigger)],	3070	["cf::map" => qw(trigger)],
2207	) {	3071	) {
2208	no strict 'refs';	3072	no strict 'refs';
…		…
2279	=back	3143	=back
2280		3144
2281	=cut	3145	=cut
2282		3146
2283	#############################################################################	3147	#############################################################################
2284
2285	=head2 EXTENSION DATABASE SUPPORT
2286
2287	Crossfire maintains a very simple database for extension use. It can
2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289	convert to/from binary).
2290
2291	The parameter C<$family> should best start with the name of the extension
2292	using it, it should be unique.
2293
2294	=over 4
2295
2296	=item $value = cf::db_get $family => $key
2297
2298	Returns a single value from the database.
2299
2300	=item cf::db_put $family => $key => $value
2301
2302	Stores the given C<$value> in the family.
2303
2304	=cut
2305
2306	our $DB;
2307
2308	sub db_init {
2309	unless ($DB) {
2310	$DB = BDB::db_create $DB_ENV;
2311
2312	cf::sync_job {
2313	eval {
2314	$DB->set_flags (BDB::CHKSUM);
2315
2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318	cf::cleanup "db_open(db): $!" if $!;
2319	};
2320	cf::cleanup "db_open(db): $@" if $@;
2321	};
2322	}
2323	}
2324
2325	sub db_get($$) {
2326	my $key = "$_[0]/$_[1]";
2327
2328	cf::sync_job {
2329	BDB::db_get $DB, undef, $key, my $data;
2330
2331	$! ? ()
2332	: $data
2333	}
2334	}
2335
2336	sub db_put($$$) {
2337	BDB::dbreq_pri 4;
2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339	}
2340
2341	=item cf::cache $id => [$paths...], $processversion => $process
2342
2343	Generic caching function that returns the value of the resource $id,
2344	caching and regenerating as required.
2345
2346	This function can block.
2347
2348	=cut
2349
2350	sub cache {
2351	my ($id, $src, $processversion, $process) = @_;
2352
2353	my $meta =
2354	join "\x00",
2355	$processversion,
2356	map {
2357	aio_stat $_
2358	and Carp::croak "$_: $!";
2359
2360	($_, (stat _)[7,9])
2361	} @$src;
2362
2363	my $dbmeta = db_get cache => "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we may need to process
2366
2367	my @data;
2368	my $md5;
2369
2370	for (0 .. $#$src) {
2371	0 <= aio_load $src->[$_], $data[$_]
2372	or Carp::croak "$src->[$_]: $!";
2373	}
2374
2375	# if processing is expensive, check
2376	# checksum first
2377	if (1) {
2378	$md5 =
2379	join "\x00",
2380	$processversion,
2381	map {
2382	Coro::cede;
2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
2384	} 0.. $#$src;
2385
2386
2387	my $dbmd5 = db_get cache => "$id/md5";
2388	if ($dbmd5 eq $md5) {
2389	db_put cache => "$id/meta", $meta;
2390
2391	return db_get cache => "$id/data";
2392	}
2393	}
2394
2395	my $t1 = Time::HiRes::time;
2396	my $data = $process->(\@data);
2397	my $t2 = Time::HiRes::time;
2398
2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401	db_put cache => "$id/data", $data;
2402	db_put cache => "$id/md5" , $md5;
2403	db_put cache => "$id/meta", $meta;
2404
2405	return $data;
2406	}
2407
2408	db_get cache => "$id/data"
2409	}
2410
2411	=item fork_call { }, $args
2412
2413	Executes the given code block with the given arguments in a seperate
2414	process, returning the results. Everything must be serialisable with
2415	Coro::Storable. May, of course, block. Note that the executed sub may
2416	never block itself or use any form of Event handling.
2417
2418	=cut
2419
2420	sub fork_call(&@) {
2421	my ($cb, @args) = @_;
2422
2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424	# or die "socketpair: $!";
2425	pipe my $fh1, my $fh2
2426	or die "pipe: $!";
2427
2428	if (my $pid = fork) {
2429	close $fh2;
2430
2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432	$res = Coro::Storable::thaw $res;
2433
2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436	die $$res unless "ARRAY" eq ref $res;
2437
2438	return wantarray ? @$res : $res->[-1];
2439	} else {
2440	local $SIG{__WARN__};
2441	eval {
2442	local $SIG{__DIE__};
2443	close $fh1;
2444
2445	my @res = eval { $cb->(@args) };
2446	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2447	};
2448
2449	warn $@ if $@;
2450	_exit 0;
2451	}
2452	}
2453
2454
2455
2456	#############################################################################
2457	# the server's init and main functions	3148	# the server's init and main functions
2458		3149
2459	sub load_facedata($) {	3150	sub load_facedata($) {
2460	my ($path) = @_;	3151	my ($path) = @_;
		3152
		3153	# HACK to clear player env face cache, we need some signal framework
		3154	# for this (global event?)
		3155	%ext::player_env::MUSIC_FACE_CACHE = ();
		3156
		3157	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2461		3158
2462	warn "loading facedata from $path\n";	3159	warn "loading facedata from $path\n";
2463		3160
2464	my $facedata;	3161	my $facedata;
2465	0 < aio_load $path, $facedata	3162	0 < aio_load $path, $facedata
…		…
2468	$facedata = Coro::Storable::thaw $facedata;	3165	$facedata = Coro::Storable::thaw $facedata;
2469		3166
2470	$facedata->{version} == 2	3167	$facedata->{version} == 2
2471	or cf::cleanup "$path: version mismatch, cannot proceed.";	3168	or cf::cleanup "$path: version mismatch, cannot proceed.";
2472		3169
		3170	# patch in the exptable
		3171	$facedata->{resource}{"res/exp_table"} = {
		3172	type => FT_RSRC,
		3173	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3174	};
		3175	cf::cede_to_tick;
		3176
2473	{	3177	{
2474	my $faces = $facedata->{faceinfo};	3178	my $faces = $facedata->{faceinfo};
2475		3179
2476	while (my ($face, $info) = each %$faces) {	3180	while (my ($face, $info) = each %$faces) {
2477	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3181	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3182
2478	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3183	cf::face::set_visibility $idx, $info->{visibility};
		3184	cf::face::set_magicmap $idx, $info->{magicmap};
2479	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3185	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2480	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3186	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2481	Coro::cede;	3187
		3188	cf::cede_to_tick;
2482	}	3189	}
2483		3190
2484	while (my ($face, $info) = each %$faces) {	3191	while (my ($face, $info) = each %$faces) {
2485	next unless $info->{smooth};	3192	next unless $info->{smooth};
		3193
2486	my $idx = cf::face::find $face	3194	my $idx = cf::face::find $face
2487	or next;	3195	or next;
		3196
2488	if (my $smooth = cf::face::find $info->{smooth}) {	3197	if (my $smooth = cf::face::find $info->{smooth}) {
		3198	cf::face::set_smooth $idx, $smooth;
2489	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3199	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2490	} else {	3200	} else {
2491	warn "smooth face '$info->{smooth}' not found for face '$face'";	3201	warn "smooth face '$info->{smooth}' not found for face '$face'";
2492	}	3202	}
2493	Coro::cede;	3203
		3204	cf::cede_to_tick;
2494	}	3205	}
2495	}	3206	}
2496		3207
2497	{	3208	{
2498	my $anims = $facedata->{animinfo};	3209	my $anims = $facedata->{animinfo};
2499		3210
2500	while (my ($anim, $info) = each %$anims) {	3211	while (my ($anim, $info) = each %$anims) {
2501	cf::anim::set $anim, $info->{frames}, $info->{facings};	3212	cf::anim::set $anim, $info->{frames}, $info->{facings};
2502	Coro::cede;	3213	cf::cede_to_tick;
2503	}	3214	}
2504		3215
2505	cf::anim::invalidate_all; # d'oh	3216	cf::anim::invalidate_all; # d'oh
2506	}	3217	}
2507		3218
		3219	{
		3220	# TODO: for gcfclient pleasure, we should give resources
		3221	# that gcfclient doesn't grok a >10000 face index.
		3222	my $res = $facedata->{resource};
		3223
		3224	while (my ($name, $info) = each %$res) {
		3225	if (defined $info->{type}) {
		3226	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3227	my $data;
		3228
		3229	if ($info->{type} & 1) {
		3230	# prepend meta info
		3231
		3232	my $meta = $enc->encode ({
		3233	name => $name,
		3234	%{ $info->{meta} || {} },
		3235	});
		3236
		3237	$data = pack "(w/a*)*", $meta, $info->{data};
		3238	} else {
		3239	$data = $info->{data};
		3240	}
		3241
		3242	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3243	cf::face::set_type $idx, $info->{type};
		3244	} else {
		3245	$RESOURCE{$name} = $info;
		3246	}
		3247
		3248	cf::cede_to_tick;
		3249	}
		3250	}
		3251
		3252	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3253
2508	1	3254	1
2509	}	3255	}
2510		3256
		3257	cf::global->attach (on_resource_update => sub {
		3258	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3259	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3260
		3261	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3262	my $sound = $soundconf->{compat}[$_]
		3263	or next;
		3264
		3265	my $face = cf::face::find "sound/$sound->[1]";
		3266	cf::sound::set $sound->[0] => $face;
		3267	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3268	}
		3269
		3270	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3271	my $face = cf::face::find "sound/$v";
		3272	cf::sound::set $k => $face;
		3273	}
		3274	}
		3275	});
		3276
		3277	register_exticmd fx_want => sub {
		3278	my ($ns, $want) = @_;
		3279
		3280	while (my ($k, $v) = each %$want) {
		3281	$ns->fx_want ($k, $v);
		3282	}
		3283	};
		3284
		3285	sub load_resource_file($) {
		3286	my $guard = lock_acquire "load_resource_file";
		3287
		3288	my $status = load_resource_file_ $_[0];
		3289	get_slot 0.1, 100;
		3290	cf::arch::commit_load;
		3291
		3292	$status
		3293	}
		3294
2511	sub reload_regions {	3295	sub reload_regions {
		3296	# HACK to clear player env face cache, we need some signal framework
		3297	# for this (global event?)
		3298	%ext::player_env::MUSIC_FACE_CACHE = ();
		3299
2512	load_resource_file "$MAPDIR/regions"	3300	load_resource_file "$MAPDIR/regions"
2513	or die "unable to load regions file\n";	3301	or die "unable to load regions file\n";
		3302
		3303	for (cf::region::list) {
		3304	$_->{match} = qr/$_->{match}/
		3305	if exists $_->{match};
		3306	}
2514	}	3307	}
2515		3308
2516	sub reload_facedata {	3309	sub reload_facedata {
2517	load_facedata "$DATADIR/facedata"	3310	load_facedata "$DATADIR/facedata"
2518	or die "unable to load facedata\n";	3311	or die "unable to load facedata\n";
…		…
2529	}	3322	}
2530		3323
2531	sub reload_resources {	3324	sub reload_resources {
2532	warn "reloading resource files...\n";	3325	warn "reloading resource files...\n";
2533		3326
2534	reload_regions;
2535	reload_facedata;	3327	reload_facedata;
2536	reload_archetypes;	3328	reload_archetypes;
		3329	reload_regions;
2537	reload_treasures;	3330	reload_treasures;
2538		3331
2539	warn "finished reloading resource files\n";	3332	warn "finished reloading resource files\n";
2540	}	3333	}
2541		3334
2542	sub init {	3335	sub init {
		3336	my $guard = freeze_mainloop;
		3337
		3338	evthread_start IO::AIO::poll_fileno;
		3339
2543	reload_resources;	3340	reload_resources;
2544	}	3341	}
2545		3342
2546	sub cfg_load {	3343	sub reload_config {
2547	open my $fh, "<:utf8", "$CONFDIR/config"	3344	open my $fh, "<:utf8", "$CONFDIR/config"
2548	or return;	3345	or return;
2549		3346
2550	local $/;	3347	local $/;
2551	*CFG = YAML::Syck::Load <$fh>;	3348	*CFG = YAML::Load <$fh>;
2552		3349
2553	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3350	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2554		3351
2555	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3352	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2556	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3353	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2562	};	3359	};
2563	warn $@ if $@;	3360	warn $@ if $@;
2564	}	3361	}
2565	}	3362	}
2566		3363
		3364	sub pidfile() {
		3365	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3366	or die "$PIDFILE: $!";
		3367	flock $fh, &Fcntl::LOCK_EX
		3368	or die "$PIDFILE: flock: $!";
		3369	$fh
		3370	}
		3371
		3372	# make sure only one server instance is running at any one time
		3373	sub atomic {
		3374	my $fh = pidfile;
		3375
		3376	my $pid = <$fh>;
		3377	kill 9, $pid if $pid > 0;
		3378
		3379	seek $fh, 0, 0;
		3380	print $fh $$;
		3381	}
		3382
2567	sub main {	3383	sub main {
		3384	atomic;
		3385
2568	# we must not ever block the main coroutine	3386	# we must not ever block the main coroutine
2569	local $Coro::idle = sub {	3387	local $Coro::idle = sub {
2570	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3388	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2571	(async {	3389	(async {
2572	Event::one_event;	3390	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3391	EV::loop EV::LOOP_ONESHOT;
2573	})->prio (Coro::PRIO_MAX);	3392	})->prio (Coro::PRIO_MAX);
2574	};	3393	};
2575		3394
2576	cfg_load;	3395	{
		3396	my $guard = freeze_mainloop;
		3397	reload_config;
2577	db_init;	3398	db_init;
2578	load_extensions;	3399	load_extensions;
2579		3400
2580	$TICK_WATCHER->start;	3401	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3402	}
		3403
		3404	utime time, time, $RUNTIMEFILE;
		3405
		3406	# no (long-running) fork's whatsoever before this point(!)
		3407	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3408
2581	Event::loop;	3409	EV::loop;
2582	}	3410	}
2583		3411
2584	#############################################################################	3412	#############################################################################
2585	# initialisation and cleanup	3413	# initialisation and cleanup
2586		3414
2587	# install some emergency cleanup handlers	3415	# install some emergency cleanup handlers
2588	BEGIN {	3416	BEGIN {
		3417	our %SIGWATCHER = ();
2589	for my $signal (qw(INT HUP TERM)) {	3418	for my $signal (qw(INT HUP TERM)) {
2590	Event->signal (	3419	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2591	reentrant => 0,
2592	data => WF_AUTOCANCEL,
2593	signal => $signal,
2594	prio => 0,
2595	cb => sub {
2596	cf::cleanup "SIG$signal";	3420	cf::cleanup "SIG$signal";
2597	},
2598	);	3421	};
		3422	}
		3423	}
		3424
		3425	sub write_runtime_sync {
		3426	# first touch the runtime file to show we are still running:
		3427	# the fsync below can take a very very long time.
		3428
		3429	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3430
		3431	my $guard = cf::lock_acquire "write_runtime";
		3432
		3433	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3434	or return;
		3435
		3436	my $value = $cf::RUNTIME + 90 + 10;
		3437	# 10 is the runtime save interval, for a monotonic clock
		3438	# 60 allows for the watchdog to kill the server.
		3439
		3440	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3441	and return;
		3442
		3443	# always fsync - this file is important
		3444	aio_fsync $fh
		3445	and return;
		3446
		3447	# touch it again to show we are up-to-date
		3448	aio_utime $fh, undef, undef;
		3449
		3450	close $fh
		3451	or return;
		3452
		3453	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3454	and return;
		3455
		3456	warn "runtime file written.\n";
		3457
2599	}	3458	1
		3459	}
		3460
		3461	our $uuid_lock;
		3462	our $uuid_skip;
		3463
		3464	sub write_uuid_sync($) {
		3465	$uuid_skip ||= $_[0];
		3466
		3467	return if $uuid_lock;
		3468	local $uuid_lock = 1;
		3469
		3470	my $uuid = "$LOCALDIR/uuid";
		3471
		3472	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3476	$uuid_skip = 0;
		3477
		3478	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3479	and return;
		3480
		3481	# always fsync - this file is important
		3482	aio_fsync $fh
		3483	and return;
		3484
		3485	close $fh
		3486	or return;
		3487
		3488	aio_rename "$uuid~", $uuid
		3489	and return;
		3490
		3491	warn "uuid file written ($value).\n";
		3492
		3493	1
		3494
		3495	}
		3496
		3497	sub write_uuid($$) {
		3498	my ($skip, $sync) = @_;
		3499
		3500	$sync ? write_uuid_sync $skip
		3501	: async { write_uuid_sync $skip };
2600	}	3502	}
2601		3503
2602	sub emergency_save() {	3504	sub emergency_save() {
2603	my $freeze_guard = cf::freeze_mainloop;	3505	my $freeze_guard = cf::freeze_mainloop;
2604		3506
…		…
2610	# and maps saved/destroyed asynchronously.	3512	# and maps saved/destroyed asynchronously.
2611	warn "begin emergency player save\n";	3513	warn "begin emergency player save\n";
2612	for my $login (keys %cf::PLAYER) {	3514	for my $login (keys %cf::PLAYER) {
2613	my $pl = $cf::PLAYER{$login} or next;	3515	my $pl = $cf::PLAYER{$login} or next;
2614	$pl->valid or next;	3516	$pl->valid or next;
		3517	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2615	$pl->save;	3518	$pl->save;
2616	}	3519	}
2617	warn "end emergency player save\n";	3520	warn "end emergency player save\n";
2618		3521
2619	warn "begin emergency map save\n";	3522	warn "begin emergency map save\n";
…		…
2625	warn "end emergency map save\n";	3528	warn "end emergency map save\n";
2626		3529
2627	warn "begin emergency database checkpoint\n";	3530	warn "begin emergency database checkpoint\n";
2628	BDB::db_env_txn_checkpoint $DB_ENV;	3531	BDB::db_env_txn_checkpoint $DB_ENV;
2629	warn "end emergency database checkpoint\n";	3532	warn "end emergency database checkpoint\n";
		3533
		3534	warn "begin write uuid\n";
		3535	write_uuid_sync 1;
		3536	warn "end write uuid\n";
2630	};	3537	};
2631		3538
2632	warn "leave emergency perl save\n";	3539	warn "leave emergency perl save\n";
2633	}	3540	}
2634		3541
2635	sub post_cleanup {	3542	sub post_cleanup {
2636	my ($make_core) = @_;	3543	my ($make_core) = @_;
2637		3544
2638	warn Carp::longmess "post_cleanup backtrace"	3545	warn Carp::longmess "post_cleanup backtrace"
2639	if $make_core;	3546	if $make_core;
		3547
		3548	my $fh = pidfile;
		3549	unlink $PIDFILE if <$fh> == $$;
2640	}	3550	}
		3551
		3552	# a safer delete_package, copied from Symbol
		3553	sub clear_package($) {
		3554	my $pkg = shift;
		3555
		3556	# expand to full symbol table name if needed
		3557	unless ($pkg =~ /^main::.*::$/) {
		3558	$pkg = "main$pkg" if $pkg =~ /^::/;
		3559	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3560	$pkg .= '::' unless $pkg =~ /::$/;
		3561	}
		3562
		3563	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3564	my $stem_symtab = *{$stem}{HASH};
		3565
		3566	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3567	or return;
		3568
		3569	# clear all symbols
		3570	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3571	for my $name (keys %$leaf_symtab) {
		3572	_gv_clear *{"$pkg$name"};
		3573	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3574	}
		3575	warn "cleared package #$pkg\n";#d#
		3576	}
		3577
		3578	our $RELOAD; # how many times to reload
2641		3579
2642	sub do_reload_perl() {	3580	sub do_reload_perl() {
2643	# can/must only be called in main	3581	# can/must only be called in main
2644	if ($Coro::current != $Coro::main) {	3582	if ($Coro::current != $Coro::main) {
2645	warn "can only reload from main coroutine";	3583	warn "can only reload from main coroutine";
2646	return;	3584	return;
2647	}	3585	}
2648		3586
		3587	return if $RELOAD++;
		3588
		3589	while ($RELOAD) {
2649	warn "reloading...";	3590	warn "reloading...";
2650		3591
2651	warn "entering sync_job";	3592	warn "entering sync_job";
2652		3593
2653	cf::sync_job {	3594	cf::sync_job {
2654	cf::write_runtime; # external watchdog should not bark	3595	cf::write_runtime_sync; # external watchdog should not bark
2655	cf::emergency_save;	3596	cf::emergency_save;
2656	cf::write_runtime; # external watchdog should not bark	3597	cf::write_runtime_sync; # external watchdog should not bark
2657		3598
2658	warn "syncing database to disk";	3599	warn "syncing database to disk";
2659	BDB::db_env_txn_checkpoint $DB_ENV;	3600	BDB::db_env_txn_checkpoint $DB_ENV;
2660		3601
2661	# if anything goes wrong in here, we should simply crash as we already saved	3602	# if anything goes wrong in here, we should simply crash as we already saved
2662		3603
2663	warn "cancelling all WF_AUTOCANCEL watchers";
2664	for (Event::all_watchers) {
2665	$_->cancel if $_->data & WF_AUTOCANCEL;
2666	}
2667
2668	warn "flushing outstanding aio requests";	3604	warn "flushing outstanding aio requests";
2669	for (;;) {
2670	BDB::flush;
2671	IO::AIO::flush;
2672	Coro::cede;
2673	last unless IO::AIO::nreqs || BDB::nreqs;	3605	while (IO::AIO::nreqs || BDB::nreqs) {
2674	warn "iterate...";	3606	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2675	}
2676
2677	++$RELOAD;
2678
2679	warn "cancelling all extension coros";
2680	$_->cancel for values %EXT_CORO;
2681	%EXT_CORO = ();
2682
2683	warn "removing commands";
2684	%COMMAND = ();
2685
2686	warn "removing ext commands";
2687	%EXTCMD = ();
2688
2689	warn "unloading/nuking all extensions";
2690	for my $pkg (@EXTS) {
2691	warn "... unloading $pkg";
2692
2693	if (my $cb = $pkg->can ("unload")) {
2694	eval {
2695	$cb->($pkg);
2696	1
2697	} or warn "$pkg unloaded, but with errors: $@";
2698	}	3607	}
2699		3608
2700	warn "... nuking $pkg";	3609	warn "cancelling all extension coros";
2701	Symbol::delete_package $pkg;	3610	$_->cancel for values %EXT_CORO;
2702	}	3611	%EXT_CORO = ();
2703		3612
2704	warn "unloading all perl modules loaded from $LIBDIR";	3613	warn "removing commands";
2705	while (my ($k, $v) = each %INC) {	3614	%COMMAND = ();
2706	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2707		3615
		3616	warn "removing ext/exti commands";
		3617	%EXTCMD = ();
		3618	%EXTICMD = ();
		3619
		3620	warn "unloading/nuking all extensions";
		3621	for my $pkg (@EXTS) {
2708	warn "... unloading $k";	3622	warn "... unloading $pkg";
2709	delete $INC{$k};
2710		3623
2711	$k =~ s/\.pm$//;
2712	$k =~ s/\//::/g;
2713
2714	if (my $cb = $k->can ("unload_module")) {	3624	if (my $cb = $pkg->can ("unload")) {
		3625	eval {
2715	$cb->();	3626	$cb->($pkg);
		3627	1
		3628	} or warn "$pkg unloaded, but with errors: $@";
		3629	}
		3630
		3631	warn "... clearing $pkg";
		3632	clear_package $pkg;
2716	}	3633	}
2717		3634
2718	Symbol::delete_package $k;	3635	warn "unloading all perl modules loaded from $LIBDIR";
		3636	while (my ($k, $v) = each %INC) {
		3637	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3638
		3639	warn "... unloading $k";
		3640	delete $INC{$k};
		3641
		3642	$k =~ s/\.pm$//;
		3643	$k =~ s/\//::/g;
		3644
		3645	if (my $cb = $k->can ("unload_module")) {
		3646	$cb->();
		3647	}
		3648
		3649	clear_package $k;
2719	}	3650	}
2720		3651
2721	warn "getting rid of safe::, as good as possible";	3652	warn "getting rid of safe::, as good as possible";
2722	Symbol::delete_package "safe::$_"	3653	clear_package "safe::$_"
2723	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3654	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2724		3655
2725	warn "unloading cf.pm \"a bit\"";	3656	warn "unloading cf.pm \"a bit\"";
2726	delete $INC{"cf.pm"};	3657	delete $INC{"cf.pm"};
2727	delete $INC{"cf/pod.pm"};	3658	delete $INC{"cf/pod.pm"};
2728		3659
2729	# don't, removes xs symbols, too,	3660	# don't, removes xs symbols, too,
2730	# and global variables created in xs	3661	# and global variables created in xs
2731	#Symbol::delete_package __PACKAGE__;	3662	#clear_package __PACKAGE__;
2732		3663
2733	warn "unload completed, starting to reload now";	3664	warn "unload completed, starting to reload now";
2734		3665
2735	warn "reloading cf.pm";	3666	warn "reloading cf.pm";
2736	require cf;	3667	require cf;
2737	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3668	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2738		3669
2739	warn "loading config and database again";	3670	warn "loading config and database again";
2740	cf::cfg_load;	3671	cf::reload_config;
2741		3672
2742	warn "loading extensions";	3673	warn "loading extensions";
2743	cf::load_extensions;	3674	cf::load_extensions;
2744		3675
2745	warn "reattaching attachments to objects/players";	3676	warn "reattaching attachments to objects/players";
2746	_global_reattach; # objects, sockets	3677	_global_reattach; # objects, sockets
2747	warn "reattaching attachments to maps";	3678	warn "reattaching attachments to maps";
2748	reattach $_ for values %MAP;	3679	reattach $_ for values %MAP;
2749	warn "reattaching attachments to players";	3680	warn "reattaching attachments to players";
2750	reattach $_ for values %PLAYER;	3681	reattach $_ for values %PLAYER;
2751		3682
2752	warn "leaving sync_job";	3683	warn "leaving sync_job";
2753		3684
2754	1	3685	1
2755	} or do {	3686	} or do {
2756	warn $@;	3687	warn $@;
2757	warn "error while reloading, exiting.";	3688	cf::cleanup "error while reloading, exiting.";
2758	exit 1;
2759	};	3689	};
2760		3690
2761	warn "reloaded";	3691	warn "reloaded";
		3692	--$RELOAD;
		3693	}
2762	};	3694	};
2763		3695
2764	our $RELOAD_WATCHER; # used only during reload	3696	our $RELOAD_WATCHER; # used only during reload
2765		3697
2766	sub reload_perl() {	3698	sub reload_perl() {
2767	# doing reload synchronously and two reloads happen back-to-back,	3699	# doing reload synchronously and two reloads happen back-to-back,
2768	# coro crashes during coro_state_free->destroy here.	3700	# coro crashes during coro_state_free->destroy here.
2769		3701
2770	$RELOAD_WATCHER ||= Event->timer (	3702	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2771	reentrant => 0,
2772	after => 0,
2773	data => WF_AUTOCANCEL,
2774	cb => sub {
2775	do_reload_perl;	3703	do_reload_perl;
2776	undef $RELOAD_WATCHER;	3704	undef $RELOAD_WATCHER;
2777	},
2778	);	3705	};
2779	}	3706	}
2780		3707
2781	register_command "reload" => sub {	3708	register_command "reload" => sub {
2782	my ($who, $arg) = @_;	3709	my ($who, $arg) = @_;
2783		3710
2784	if ($who->flag (FLAG_WIZ)) {	3711	if ($who->flag (FLAG_WIZ)) {
2785	$who->message ("reloading server.");	3712	$who->message ("reloading server.");
		3713	async {
		3714	$Coro::current->{desc} = "perl_reload";
2786	async { reload_perl };	3715	reload_perl;
		3716	};
2787	}	3717	}
2788	};	3718	};
2789		3719
2790	unshift @INC, $LIBDIR;	3720	unshift @INC, $LIBDIR;
2791		3721
…		…
2793		3723
2794	our @WAIT_FOR_TICK;	3724	our @WAIT_FOR_TICK;
2795	our @WAIT_FOR_TICK_BEGIN;	3725	our @WAIT_FOR_TICK_BEGIN;
2796		3726
2797	sub wait_for_tick {	3727	sub wait_for_tick {
2798	return unless $TICK_WATCHER->is_active;
2799	return if $Coro::current == $Coro::main;	3728	return if tick_inhibit || $Coro::current == $Coro::main;
2800		3729
2801	my $signal = new Coro::Signal;	3730	my $signal = new Coro::Signal;
2802	push @WAIT_FOR_TICK, $signal;	3731	push @WAIT_FOR_TICK, $signal;
2803	$signal->wait;	3732	$signal->wait;
2804	}	3733	}
2805		3734
2806	sub wait_for_tick_begin {	3735	sub wait_for_tick_begin {
2807	return unless $TICK_WATCHER->is_active;
2808	return if $Coro::current == $Coro::main;	3736	return if tick_inhibit || $Coro::current == $Coro::main;
2809		3737
2810	my $signal = new Coro::Signal;	3738	my $signal = new Coro::Signal;
2811	push @WAIT_FOR_TICK_BEGIN, $signal;	3739	push @WAIT_FOR_TICK_BEGIN, $signal;
2812	$signal->wait;	3740	$signal->wait;
2813	}	3741	}
2814		3742
2815	$TICK_WATCHER = Event->timer (	3743	sub tick {
2816	reentrant => 0,
2817	parked => 1,
2818	prio => 0,
2819	at => $NEXT_TICK || $TICK,
2820	data => WF_AUTOCANCEL,
2821	cb => sub {
2822	if ($Coro::current != $Coro::main) {	3744	if ($Coro::current != $Coro::main) {
2823	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3745	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2824	unless ++$bug_warning > 10;	3746	unless ++$bug_warning > 10;
2825	return;	3747	return;
2826	}	3748	}
2827		3749
2828	$NOW = Event::time;
2829
2830	cf::server_tick; # one server iteration	3750	cf::server_tick; # one server iteration
2831		3751
2832	$RUNTIME += $TICK;
2833	$NEXT_TICK += $TICK;
2834
2835	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3752	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2836	$NEXT_RUNTIME_WRITE = $NOW + 10;	3753	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2837	Coro::async_pool {	3754	Coro::async_pool {
		3755	$Coro::current->{desc} = "runtime saver";
2838	write_runtime	3756	write_runtime_sync
2839	or warn "ERROR: unable to write runtime file: $!";	3757	or warn "ERROR: unable to write runtime file: $!";
2840	};
2841	}	3758	};
		3759	}
2842		3760
2843	# my $AFTER = Event::time;
2844	# warn $AFTER - $NOW;#d#
2845
2846	# if we are delayed by four ticks or more, skip them all
2847	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2848
2849	$TICK_WATCHER->at ($NEXT_TICK);
2850	$TICK_WATCHER->start;
2851
2852	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3761	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2853	$sig->send;	3762	$sig->send;
2854	}	3763	}
2855	while (my $sig = shift @WAIT_FOR_TICK) {	3764	while (my $sig = shift @WAIT_FOR_TICK) {
2856	$sig->send;	3765	$sig->send;
2857	}
2858
2859	_post_tick;
2860	},	3766	}
2861	);	3767
		3768	$LOAD = ($NOW - $TICK_START) / $TICK;
		3769	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3770
		3771	if (0) {
		3772	if ($NEXT_TICK) {
		3773	my $jitter = $TICK_START - $NEXT_TICK;
		3774	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3775	warn "jitter $JITTER\n";#d#
		3776	}
		3777	}
		3778	}
2862		3779
2863	{	3780	{
2864	BDB::max_poll_time $TICK * 0.1;	3781	# configure BDB
2865	$BDB_POLL_WATCHER = Event->io (	3782
2866	reentrant => 0,
2867	fd => BDB::poll_fileno,
2868	poll => 'r',
2869	prio => 0,
2870	data => WF_AUTOCANCEL,
2871	cb => \&BDB::poll_cb,
2872	);
2873	BDB::min_parallel 8;	3783	BDB::min_parallel 8;
2874		3784	BDB::max_poll_reqs $TICK * 0.1;
2875	BDB::set_sync_prepare {	3785	$AnyEvent::BDB::WATCHER->priority (1);
2876	my $status;
2877	my $current = $Coro::current;
2878	(
2879	sub {
2880	$status = $!;
2881	$current->ready; undef $current;
2882	},
2883	sub {
2884	Coro::schedule while defined $current;
2885	$! = $status;
2886	},
2887	)
2888	};
2889		3786
2890	unless ($DB_ENV) {	3787	unless ($DB_ENV) {
2891	$DB_ENV = BDB::db_env_create;	3788	$DB_ENV = BDB::db_env_create;
		3789	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3790	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3791	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3792	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3793	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2892		3794
2893	cf::sync_job {	3795	cf::sync_job {
2894	eval {	3796	eval {
2895	BDB::db_env_open	3797	BDB::db_env_open
2896	$DB_ENV,	3798	$DB_ENV,
…		…
2898	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3800	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2899	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3801	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2900	0666;	3802	0666;
2901		3803
2902	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3804	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2903
2904	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2905	$DB_ENV->set_lk_detect;
2906	};	3805	};
2907		3806
2908	cf::cleanup "db_env_open(db): $@" if $@;	3807	cf::cleanup "db_env_open(db): $@" if $@;
2909	};	3808	};
2910	}	3809	}
		3810
		3811	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3812	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3813	};
		3814	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3815	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3816	};
		3817	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3818	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3819	};
2911	}	3820	}
2912		3821
2913	{	3822	{
		3823	# configure IO::AIO
		3824
2914	IO::AIO::min_parallel 8;	3825	IO::AIO::min_parallel 8;
2915
2916	undef $Coro::AIO::WATCHER;
2917	IO::AIO::max_poll_time $TICK * 0.1;	3826	IO::AIO::max_poll_time $TICK * 0.1;
2918	$AIO_POLL_WATCHER = Event->io (	3827	undef $AnyEvent::AIO::WATCHER;
2919	reentrant => 0,	3828	}
2920	data => WF_AUTOCANCEL,	3829
2921	fd => IO::AIO::poll_fileno,	3830	my $_log_backtrace;
2922	poll => 'r',	3831
2923	prio => 6,	3832	sub _log_backtrace {
2924	cb => \&IO::AIO::poll_cb,	3833	my ($msg, @addr) = @_;
2925	);	3834
		3835	$msg =~ s/\n//;
		3836
		3837	# limit the # of concurrent backtraces
		3838	if ($_log_backtrace < 2) {
		3839	++$_log_backtrace;
		3840	my $perl_bt = Carp::longmess $msg;
		3841	async {
		3842	$Coro::current->{desc} = "abt $msg";
		3843
		3844	my @bt = fork_call {
		3845	@addr = map { sprintf "%x", $_ } @addr;
		3846	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3847	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3848	or die "addr2line: $!";
		3849
		3850	my @funcs;
		3851	my @res = <$fh>;
		3852	chomp for @res;
		3853	while (@res) {
		3854	my ($func, $line) = splice @res, 0, 2, ();
		3855	push @funcs, "[$func] $line";
		3856	}
		3857
		3858	@funcs
		3859	};
		3860
		3861	LOG llevInfo, "[ABT] $perl_bt\n";
		3862	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3863	LOG llevInfo, "[ABT] $_\n" for @bt;
		3864	--$_log_backtrace;
		3865	};
		3866	} else {
		3867	LOG llevInfo, "[ABT] $msg\n";
		3868	LOG llevInfo, "[ABT] [suppressed]\n";
		3869	}
2926	}	3870	}
2927		3871
2928	# load additional modules	3872	# load additional modules
2929	use cf::pod;	3873	use cf::pod;
2930		3874

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