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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.448 by root, Fri Sep 19 05:30:23 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
39
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		68
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	{
		72	# very ugly, but ensure we acquire the storable lock
		73
		74	sub net_mstore {
		75	my $guard = Coro::Storable::guard;
		76	&Storable::net_mstore
		77	}
		78
		79	sub mretrieve {
		80	my $guard = Coro::Storable::guard;
		81	&Storable::mretrieve
		82	}
		83
		84	Compress::LZF::set_serializer "Coro::Storable", "cf::net_mstore", "cf::mretrieve";
		85	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		86	}
46		87
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	88	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		89
49	our %COMMAND = ();	90	our %COMMAND = ();
50	our %COMMAND_TIME = ();	91	our %COMMAND_TIME = ();
51		92
52	our @EXTS = (); # list of extension package names	93	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	94	our %EXTCMD = ();
		95	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	96	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	97	our %EXT_MAP = (); # pluggable maps
56		98
57	our $RELOAD; # number of reloads so far	99	our $RELOAD; # number of reloads so far
58	our @EVENT;	100	our @EVENT;
59		101
60	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	103	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	107	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	108	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	109	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	110	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	111	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	112	our $BDBDIR = "$LOCALDIR/db";
		113	our $PIDFILE = "$LOCALDIR/pid";
		114	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		115
		116	our %RESOURCE;
71		117
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	118	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	119	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	120	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	121	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		122
		123	our $BDB_DEADLOCK_WATCHER;
		124	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	125	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	126	our $DB_ENV;
82		127
83	our %CFG;	128	our %CFG;
84		129
85	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
87		133
88	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
91		137
92	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
95	binmode STDOUT;	146	binmode STDOUT;
96	binmode STDERR;	147	binmode STDERR;
97		148
98	# read virtual server time, if available	149	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	150	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	151	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	152	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	153	$RUNTIME = <$fh> + 0.;
103	}	154	}
104		155
105	mkdir $_	156	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	157	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
139		190
140	=item $cf::TICK	191	=item $cf::TICK
141		192
142	The interval between server ticks, in seconds.	193	The interval between server ticks, in seconds.
143		194
		195	=item $cf::LOADAVG
		196
		197	The current CPU load on the server (alpha-smoothed), as a value between 0
		198	(none) and 1 (overloaded), indicating how much time is spent on processing
		199	objects per tick. Healthy values are < 0.5.
		200
		201	=item $cf::LOAD
		202
		203	The raw value load value from the last tick.
		204
144	=item %cf::CFG	205	=item %cf::CFG
145		206
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	207	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	208	from wherever your confdir points to.
148		209
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	210	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		211
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	212	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	213	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.	214	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		215
		216	=item @cf::INVOKE_RESULTS
		217
		218	This array contains the results of the last C<invoke ()> call. When
		219	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		220	that call.
		221
155	=back	222	=back
156		223
157	=cut	224	=cut
158		225
159	BEGIN {	226	BEGIN {
…		…
163	$msg .= "\n"	230	$msg .= "\n"
164	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
165		232
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		234
168	utf8::encode $msg;
169	LOG llevError, $msg;	235	LOG llevError, $msg;
170	};	236	};
171	}	237	}
		238
		239	$Coro::State::DIEHOOK = sub {
		240	return unless $^S eq 0; # "eq", not "=="
		241
		242	if ($Coro::current == $Coro::main) {#d#
		243	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		244	return;#d#
		245	}#d#
		246
		247	# kill coroutine otherwise
		248	warn Carp::longmess $_[0];
		249	Coro::terminate
		250	};
		251
		252	$SIG{__DIE__} = sub { }; #d#?
172		253
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	254	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	255	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	256	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	257	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	258	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		259	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	260	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		261
180	# we bless all objects into (empty) derived classes to force a method lookup	262	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	263	# within the Safe compartment.
182	for my $pkg (qw(	264	for my $pkg (qw(
183	cf::global cf::attachable	265	cf::global cf::attachable
184	cf::object cf::object::player	266	cf::object cf::object::player
185	cf::client cf::player	267	cf::client cf::player
186	cf::arch cf::living	268	cf::arch cf::living
		269	cf::map cf::mapspace
187	cf::map cf::party cf::region	270	cf::party cf::region
188	)) {	271	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	272	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	273	}
192		274
193	$Event::DIED = sub {	275	$EV::DIED = sub {
194	warn "error in event callback: @_";	276	warn "error in event callback: @_";
195	};	277	};
		278
		279	#############################################################################
196		280
197	=head2 UTILITY FUNCTIONS	281	=head2 UTILITY FUNCTIONS
198		282
199	=over 4	283	=over 4
200		284
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	303	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	304	$d
221	} || "[unable to dump $_[0]: '$@']";	305	} || "[unable to dump $_[0]: '$@']";
222	}	306	}
223		307
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	308	=item $ref = cf::decode_json $json
227		309
228	Converts a JSON string into the corresponding perl data structure.	310	Converts a JSON string into the corresponding perl data structure.
229		311
230	=item $json = cf::to_json $ref	312	=item $json = cf::encode_json $ref
231		313
232	Converts a perl data structure into its JSON representation.	314	Converts a perl data structure into its JSON representation.
		315
		316	=cut
		317
		318	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		319
		320	sub encode_json($) { $json_coder->encode ($_[0]) }
		321	sub decode_json($) { $json_coder->decode ($_[0]) }
233		322
234	=item cf::lock_wait $string	323	=item cf::lock_wait $string
235		324
236	Wait until the given lock is available. See cf::lock_acquire.	325	Wait until the given lock is available. See cf::lock_acquire.
237		326
…		…
240	Wait until the given lock is available and then acquires it and returns	329	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,	330	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	331	for example when the coroutine gets canceled), the lock is automatically
243	returned.	332	returned.
244		333
		334	Locks are *not* recursive, locking from the same coro twice results in a
		335	deadlocked coro.
		336
245	Lock names should begin with a unique identifier (for example, cf::map::find	337	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	338	uses map_find and cf::map::load uses map_load).
247		339
248	=item $locked = cf::lock_active $string	340	=item $locked = cf::lock_active $string
249		341
250	Return true if the lock is currently active, i.e. somebody has locked it.	342	Return true if the lock is currently active, i.e. somebody has locked it.
251		343
252	=cut	344	=cut
253		345
254	our %LOCK;	346	our %LOCK;
		347	our %LOCKER;#d#
255		348
256	sub lock_wait($) {	349	sub lock_wait($) {
257	my ($key) = @_;	350	my ($key) = @_;
		351
		352	if ($LOCKER{$key} == $Coro::current) {#d#
		353	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		354	return;#d#
		355	}#d#
258		356
259	# wait for lock, if any	357	# wait for lock, if any
260	while ($LOCK{$key}) {	358	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	359	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	360	Coro::schedule;
…		…
268		366
269	# wait, to be sure we are not locked	367	# wait, to be sure we are not locked
270	lock_wait $key;	368	lock_wait $key;
271		369
272	$LOCK{$key} = [];	370	$LOCK{$key} = [];
		371	$LOCKER{$key} = $Coro::current;#d#
273		372
274	Coro::guard {	373	Coro::guard {
		374	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	375	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	376	$_->ready for @{ delete $LOCK{$key} };
277	}	377	}
278	}	378	}
279		379
…		…
282		382
283	! ! $LOCK{$key}	383	! ! $LOCK{$key}
284	}	384	}
285		385
286	sub freeze_mainloop {	386	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	387	tick_inhibit_inc;
288		388
289	my $guard = Coro::guard {	389	Coro::guard \&tick_inhibit_dec;
290	$TICK_WATCHER->start;	390	}
		391
		392	=item cf::periodic $interval, $cb
		393
		394	Like EV::periodic, but randomly selects a starting point so that the actions
		395	get spread over timer.
		396
		397	=cut
		398
		399	sub periodic($$) {
		400	my ($interval, $cb) = @_;
		401
		402	my $start = rand List::Util::min 180, $interval;
		403
		404	EV::periodic $start, $interval, 0, $cb
		405	}
		406
		407	=item cf::get_slot $time[, $priority[, $name]]
		408
		409	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		410	This call blocks and returns only when you have at least C<$time> seconds
		411	of cpu time till the next tick. The slot is only valid till the next cede.
		412
		413	The optional C<$name> can be used to identify the job to run. It might be
		414	used for statistical purposes and should identify the same time-class.
		415
		416	Useful for short background jobs.
		417
		418	=cut
		419
		420	our @SLOT_QUEUE;
		421	our $SLOT_QUEUE;
		422
		423	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		424	$SLOT_QUEUE = Coro::async {
		425	$Coro::current->desc ("timeslot manager");
		426
		427	my $signal = new Coro::Signal;
		428
		429	while () {
		430	next_job:
		431	my $avail = cf::till_tick;
		432	if ($avail > 0.01) {
		433	for (0 .. $#SLOT_QUEUE) {
		434	if ($SLOT_QUEUE[$_][0] < $avail) {
		435	my $job = splice @SLOT_QUEUE, $_, 1, ();
		436	$job->[2]->send;
		437	Coro::cede;
		438	goto next_job;
		439	}
		440	}
		441	}
		442
		443	if (@SLOT_QUEUE) {
		444	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		445	push @cf::WAIT_FOR_TICK, $signal;
		446	$signal->wait;
		447	} else {
		448	Coro::schedule;
		449	}
291	};	450	}
292	$TICK_WATCHER->stop;	451	};
293	$guard	452
		453	sub get_slot($;$$) {
		454	return if tick_inhibit || $Coro::current == $Coro::main;
		455
		456	my ($time, $pri, $name) = @_;
		457
		458	$time = $TICK * .6 if $time > $TICK * .6;
		459	my $sig = new Coro::Signal;
		460
		461	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		462	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		463	$SLOT_QUEUE->ready;
		464	$sig->wait;
294	}	465	}
295		466
296	=item cf::async { BLOCK }	467	=item cf::async { BLOCK }
297		468
298	Currently the same as Coro::async_pool, meaning you cannot use	469	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		474
304	BEGIN { *async = \&Coro::async_pool }	475	BEGIN { *async = \&Coro::async_pool }
305		476
306	=item cf::sync_job { BLOCK }	477	=item cf::sync_job { BLOCK }
307		478
308	The design of crossfire+ requires that the main coro ($Coro::main) is	479	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	480	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	481	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		482	acceptable.
311		483
312	If it must be done, put the blocking parts into C<sync_job>. This will run	484	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	485	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	486	server will be frozen during this time, so the block should either finish
315	fast or be very important.	487	fast or be very important.
…		…
318		490
319	sub sync_job(&) {	491	sub sync_job(&) {
320	my ($job) = @_;	492	my ($job) = @_;
321		493
322	if ($Coro::current == $Coro::main) {	494	if ($Coro::current == $Coro::main) {
		495	my $time = EV::time;
		496
323	# this is the main coro, too bad, we have to block	497	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	498	# till the operation succeeds, freezing the server :/
325		499
326	# TODO: use suspend/resume instead	500	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	501
328	my $freeze_guard = freeze_mainloop;	502	my $freeze_guard = freeze_mainloop;
329		503
330	my $busy = 1;	504	my $busy = 1;
331	my @res;	505	my @res;
332		506
333	(async {	507	(async {
		508	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	509	@res = eval { $job->() };
335	warn $@ if $@;	510	warn $@ if $@;
336	undef $busy;	511	undef $busy;
337	})->prio (Coro::PRIO_MAX);	512	})->prio (Coro::PRIO_MAX);
338		513
339	while ($busy) {	514	while ($busy) {
340	Coro::cede or Event::one_event;	515	if (Coro::nready) {
		516	Coro::cede_notself;
		517	} else {
		518	EV::loop EV::LOOP_ONESHOT;
341	}	519	}
		520	}
		521
		522	my $time = EV::time - $time;
		523
		524	$TICK_START += $time; # do not account sync jobs to server load
342		525
343	wantarray ? @res : $res[0]	526	wantarray ? @res : $res[0]
344	} else {	527	} else {
345	# we are in another coroutine, how wonderful, everything just works	528	# we are in another coroutine, how wonderful, everything just works
346		529
…		…
366	$EXT_CORO{$coro+0} = $coro;	549	$EXT_CORO{$coro+0} = $coro;
367		550
368	$coro	551	$coro
369	}	552	}
370		553
371	sub write_runtime {	554	=item fork_call { }, $args
372	my $runtime = "$LOCALDIR/runtime";
373		555
374	# first touch the runtime file to show we are still running:	556	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	557	process, returning the results. Everything must be serialisable with
		558	Coro::Storable. May, of course, block. Note that the executed sub may
		559	never block itself or use any form of event handling.
376		560
377	warn "touching runtime...\n";#d#	561	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	562
379	utime undef, undef, $fh;	563	sub fork_call(&@) {
		564	my ($cb, @args) = @_;
		565
		566	# we seemingly have to make a local copy of the whole thing,
		567	# otherwise perl prematurely frees the stuff :/
		568	# TODO: investigate and fix (likely this will be rather laborious)
		569
		570	my @res = Coro::Util::fork_eval {
		571	reset_signals;
		572	&$cb
		573	}, @args;
		574
		575	wantarray ? @res : $res[-1]
		576	}
		577
		578	=item $coin = coin_from_name $name
		579
		580	=cut
		581
		582	our %coin_alias = (
		583	"silver" => "silvercoin",
		584	"silvercoin" => "silvercoin",
		585	"silvercoins" => "silvercoin",
		586	"gold" => "goldcoin",
		587	"goldcoin" => "goldcoin",
		588	"goldcoins" => "goldcoin",
		589	"platinum" => "platinacoin",
		590	"platinumcoin" => "platinacoin",
		591	"platinumcoins" => "platinacoin",
		592	"platina" => "platinacoin",
		593	"platinacoin" => "platinacoin",
		594	"platinacoins" => "platinacoin",
		595	"royalty" => "royalty",
		596	"royalties" => "royalty",
		597	);
		598
		599	sub coin_from_name($) {
		600	$coin_alias{$_[0]}
		601	? cf::arch::find $coin_alias{$_[0]}
		602	: undef
		603	}
		604
		605	=item $value = cf::db_get $family => $key
		606
		607	Returns a single value from the environment database.
		608
		609	=item cf::db_put $family => $key => $value
		610
		611	Stores the given C<$value> in the family. It can currently store binary
		612	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		613
		614	=item $db = cf::db_table "name"
		615
		616	Create and/or open a new database table. The string must not be "db" and must be unique
		617	within each server.
		618
		619	=cut
		620
		621	sub db_table($) {
		622	my ($name) = @_;
		623	my $db = BDB::db_create $DB_ENV;
		624
		625	eval {
		626	$db->set_flags (BDB::CHKSUM);
		627
		628	utf8::encode $name;
		629	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		630	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		631	cf::cleanup "db_open(db): $!" if $!;
380	}	632	};
		633	cf::cleanup "db_open(db): $@" if $@;
381		634
382	my $guard = cf::lock_acquire "write_runtime";	635	$db
		636	}
383		637
384	warn "starting to write runtime...\n";#d#	638	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		639
388	my $value = $cf::RUNTIME + 90 + 10;	640	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	641	cf::sync_job {
390	# 60 allows for the watchdog to kill the server.	642	$DB ||= db_table "db";
		643	};
		644	}
391		645
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	646	sub db_get($$) {
393	and return;	647	my $key = "$_[0]/$_[1]";
394		648
395	# always fsync - this file is important	649	cf::sync_job {
396	aio_fsync $fh	650	BDB::db_get $DB, undef, $key, my $data;
397	and return;
398		651
399	# touch it again to show we are up-to-date	652	$! ? ()
400	utime undef, undef, $fh;	653	: $data
401
402	close $fh
403	or return;
404
405	aio_rename "$runtime~", $runtime
406	and return;
407
408	warn "... done writing runtime.\n";#d#
409
410	1	654	}
		655	}
		656
		657	sub db_put($$$) {
		658	BDB::dbreq_pri 4;
		659	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		660	}
		661
		662	=item cf::cache $id => [$paths...], $processversion => $process
		663
		664	Generic caching function that returns the value of the resource $id,
		665	caching and regenerating as required.
		666
		667	This function can block.
		668
		669	=cut
		670
		671	sub cache {
		672	my ($id, $src, $processversion, $process) = @_;
		673
		674	my $meta =
		675	join "\x00",
		676	$processversion,
		677	map {
		678	aio_stat $_
		679	and Carp::croak "$_: $!";
		680
		681	($_, (stat _)[7,9])
		682	} @$src;
		683
		684	my $dbmeta = db_get cache => "$id/meta";
		685	if ($dbmeta ne $meta) {
		686	# changed, we may need to process
		687
		688	my @data;
		689	my $md5;
		690
		691	for (0 .. $#$src) {
		692	0 <= aio_load $src->[$_], $data[$_]
		693	or Carp::croak "$src->[$_]: $!";
		694	}
		695
		696	# if processing is expensive, check
		697	# checksum first
		698	if (1) {
		699	$md5 =
		700	join "\x00",
		701	$processversion,
		702	map {
		703	cf::cede_to_tick;
		704	($src->[$_], Digest::MD5::md5_hex $data[$_])
		705	} 0.. $#$src;
		706
		707
		708	my $dbmd5 = db_get cache => "$id/md5";
		709	if ($dbmd5 eq $md5) {
		710	db_put cache => "$id/meta", $meta;
		711
		712	return db_get cache => "$id/data";
		713	}
		714	}
		715
		716	my $t1 = Time::HiRes::time;
		717	my $data = $process->(\@data);
		718	my $t2 = Time::HiRes::time;
		719
		720	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		721
		722	db_put cache => "$id/data", $data;
		723	db_put cache => "$id/md5" , $md5;
		724	db_put cache => "$id/meta", $meta;
		725
		726	return $data;
		727	}
		728
		729	db_get cache => "$id/data"
411	}	730	}
412		731
413	=item cf::datalog type => key => value, ...	732	=item cf::datalog type => key => value, ...
414		733
415	Log a datalog packet of the given type with the given key-value pairs.	734	Log a datalog packet of the given type with the given key-value pairs.
…		…
427		746
428	#############################################################################	747	#############################################################################
429		748
430	=head2 ATTACHABLE OBJECTS	749	=head2 ATTACHABLE OBJECTS
431		750
432	Many objects in crossfire are so-called attachable objects. That means you can	751	Many objects in deliantra are so-called attachable objects. That means you can
433	attach callbacks/event handlers (a collection of which is called an "attachment")	752	attach callbacks/event handlers (a collection of which is called an "attachment")
434	to it. All such attachable objects support the following methods.	753	to it. All such attachable objects support the following methods.
435		754
436	In the following description, CLASS can be any of C<global>, C<object>	755	In the following description, CLASS can be any of C<global>, C<object>
437	C<player>, C<client> or C<map> (i.e. the attachable objects in	756	C<player>, C<client> or C<map> (i.e. the attachable objects in
438	crossfire+).	757	Deliantra).
439		758
440	=over 4	759	=over 4
441		760
442	=item $attachable->attach ($attachment, key => $value...)	761	=item $attachable->attach ($attachment, key => $value...)
443		762
…		…
487	=item cf::CLASS::attachment $name, ...	806	=item cf::CLASS::attachment $name, ...
488		807
489	Register an attachment by C<$name> through which attachable objects of the	808	Register an attachment by C<$name> through which attachable objects of the
490	given CLASS can refer to this attachment.	809	given CLASS can refer to this attachment.
491		810
492	Some classes such as crossfire maps and objects can specify attachments	811	Some classes such as deliantra maps and objects can specify attachments
493	that are attached at load/instantiate time, thus the need for a name.	812	that are attached at load/instantiate time, thus the need for a name.
494		813
495	These calls expect any number of the following handler/hook descriptions:	814	These calls expect any number of the following handler/hook descriptions:
496		815
497	=over 4	816	=over 4
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	925	$registry = $CB_TYPE[$object_type] ||= [];
607		926
608	} elsif ($type eq "subtype") {	927	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	928	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	929	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	930	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		931
613	} elsif ($type eq "package") {	932	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	933	my $pkg = shift @arg;
615		934
616	while (my ($name, $id) = each %cb_id) {	935	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	964	_attach $registry, $klass, @attach;
646	}	965	}
647		966
648	$obj->{$name} = \%arg;	967	$obj->{$name} = \%arg;
649	} else {	968	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	969	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	970	}
652		971
653	$obj->{_attachment}{$name} = undef;	972	$obj->{_attachment}{$name} = undef;
654	}	973	}
655		974
…		…
657	if (ref $_[0]) {	976	if (ref $_[0]) {
658	_object_attach @_;	977	_object_attach @_;
659	} else {	978	} else {
660	_attach shift->_attach_registry, @_;	979	_attach shift->_attach_registry, @_;
661	}	980	}
		981	_recalc_want;
662	};	982	};
663		983
664	# all those should be optimised	984	# all those should be optimised
665	sub cf::attachable::detach {	985	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	986	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	989	delete $obj->{_attachment}{$name};
670	reattach ($obj);	990	reattach ($obj);
671	} else {	991	} else {
672	Carp::croak "cannot, currently, detach class attachments";	992	Carp::croak "cannot, currently, detach class attachments";
673	}	993	}
		994	_recalc_want;
674	};	995	};
675		996
676	sub cf::attachable::attached {	997	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	998	my ($obj, $name) = @_;
678		999
…		…
693	";	1014	";
694	die if $@;	1015	die if $@;
695	}	1016	}
696		1017
697	our $override;	1018	our $override;
698	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1019	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699		1020
700	sub override {	1021	sub override {
701	$override = 1;	1022	$override = 1;
702	@invoke_results = ();	1023	@INVOKE_RESULTS = (@_);
703	}	1024	}
704		1025
705	sub do_invoke {	1026	sub do_invoke {
706	my $event = shift;	1027	my $event = shift;
707	my $callbacks = shift;	1028	my $callbacks = shift;
708		1029
709	@invoke_results = ();	1030	@INVOKE_RESULTS = ();
710		1031
711	local $override;	1032	local $override;
712		1033
713	for (@$callbacks) {	1034	for (@$callbacks) {
714	eval { &{$_->[1]} };	1035	eval { &{$_->[1]} };
…		…
723	}	1044	}
724		1045
725	0	1046	0
726	}	1047	}
727		1048
728	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1049	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
729		1050
730	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
731		1052
732	Generate an object-specific event with the given arguments.	1053	Generate an object-specific event with the given arguments.
733		1054
734	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1055	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735	removed in future versions), and there is no public API to access override	1056	removed in future versions), and there is no public API to access override
736	results (if you must, access C<@cf::invoke_results> directly).	1057	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		1058
738	=back	1059	=back
739		1060
740	=cut	1061	=cut
741		1062
742	#############################################################################	1063	#############################################################################
743	# object support	1064	# object support
		1065
		1066	sub _object_equal($$);
		1067	sub _object_equal($$) {
		1068	my ($a, $b) = @_;
		1069
		1070	return 0 unless (ref $a) eq (ref $b);
		1071
		1072	if ("HASH" eq ref $a) {
		1073	my @ka = keys %$a;
		1074	my @kb = keys %$b;
		1075
		1076	return 0 if @ka != @kb;
		1077
		1078	for (0 .. $#ka) {
		1079	return 0 unless $ka[$_] eq $kb[$_];
		1080	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1081	}
		1082
		1083	} elsif ("ARRAY" eq ref $a) {
		1084
		1085	return 0 if @$a != @$b;
		1086
		1087	for (0 .. $#$a) {
		1088	return 0 unless _object_equal $a->[$_], $b->[$_];
		1089	}
		1090
		1091	} elsif ($a ne $b) {
		1092	return 0;
		1093	}
		1094
		1095	1
		1096	}
		1097
		1098	our $SLOW_MERGES;#d#
		1099	sub _can_merge {
		1100	my ($ob1, $ob2) = @_;
		1101
		1102	++$SLOW_MERGES;#d#
		1103
		1104	# we do the slow way here
		1105	return _object_equal $ob1, $ob2
		1106	}
744		1107
745	sub reattach {	1108	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	1109	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	1110	my ($obj) = @_;
748		1111
		1112	# no longer needed after getting rid of delete_package?
749	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1113	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
750		1114
751	my $registry = $obj->registry;	1115	my $registry = $obj->registry;
752		1116
753	@$registry = ();	1117	@$registry = ();
754		1118
…		…
769	cf::attachable->attach (	1133	cf::attachable->attach (
770	prio => -1000000,	1134	prio => -1000000,
771	on_instantiate => sub {	1135	on_instantiate => sub {
772	my ($obj, $data) = @_;	1136	my ($obj, $data) = @_;
773		1137
774	$data = from_json $data;	1138	$data = decode_json $data;
775		1139
776	for (@$data) {	1140	for (@$data) {
777	my ($name, $args) = @$_;	1141	my ($name, $args) = @$_;
778		1142
779	$obj->attach ($name, %{$args || {} });	1143	$obj->attach ($name, %{$args || {} });
…		…
795	sub object_freezer_save {	1159	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1160	my ($filename, $rdata, $objs) = @_;
797		1161
798	sync_job {	1162	sync_job {
799	if (length $$rdata) {	1163	if (length $$rdata) {
		1164	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1165	warn sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1166	$decname, length $$rdata, scalar @$objs;
802		1167
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1169	aio_chmod $fh, SAVE_MODE;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	aio_fsync $fh if $cf::USE_FSYNC;	1171	aio_fsync $fh if $cf::USE_FSYNC;
807	close $fh;	1172	aio_close $fh;
808		1173
809	if (@$objs) {	1174	if (@$objs) {
810	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
811	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
812	my $data = Storable::nfreeze { version => 1, objs => $objs };	1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813	aio_write $fh, 0, (length $data), $data, 0;	1178	aio_write $fh, 0, (length $data), $data, 0;
814	aio_fsync $fh if $cf::USE_FSYNC;	1179	aio_fsync $fh if $cf::USE_FSYNC;
815	close $fh;	1180	aio_close $fh;
816	aio_rename "$filename.pst~", "$filename.pst";	1181	aio_rename "$filename.pst~", "$filename.pst";
817	}	1182	}
818	} else {	1183	} else {
819	aio_unlink "$filename.pst";	1184	aio_unlink "$filename.pst";
820	}	1185	}
…		…
825	}	1190	}
826	} else {	1191	} else {
827	aio_unlink $filename;	1192	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1193	aio_unlink "$filename.pst";
829	}	1194	}
830	}	1195	};
831	}	1196	}
832		1197
833	sub object_freezer_as_string {	1198	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1199	my ($rdata, $objs) = @_;
835		1200
…		…
847	or return;	1212	or return;
848		1213
849	unless (aio_stat "$filename.pst") {	1214	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1215	(aio_load "$filename.pst", $av) >= 0
851	or return;	1216	or return;
		1217
852	$av = eval { (Storable::thaw $av)->{objs} };	1218	my $st = eval { Coro::Storable::thaw $av };
		1219	$av = $st->{objs};
853	}	1220	}
854		1221
		1222	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1223	warn sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1224	$decname, length $data, scalar @{$av || []};
		1225
857	return ($data, $av);	1226	($data, $av)
858	}	1227	}
		1228
		1229	=head2 COMMAND CALLBACKS
		1230
		1231	=over 4
		1232
		1233	=cut
859		1234
860	#############################################################################	1235	#############################################################################
861	# command handling &c	1236	# command handling &c
862		1237
863	=item cf::register_command $name => \&callback($ob,$args);	1238	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1251	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1252	}
878		1253
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1254	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1255
881	Register a callbackf ro execution when the client sends an extcmd packet.	1256	Register a callback for execution when the client sends an (synchronous)
		1257	extcmd packet. Ext commands will be processed in the order they are
		1258	received by the server, like other user commands. The first argument is
		1259	the logged-in player. Ext commands can only be processed after a player
		1260	has logged in successfully.
882		1261
883	If the callback returns something, it is sent back as if reply was being	1262	If the callback returns something, it is sent back as if reply was being
884	called.	1263	called.
885		1264
		1265	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1266
		1267	Register a callback for execution when the client sends an (asynchronous)
		1268	exticmd packet. Exti commands are processed by the server as soon as they
		1269	are received, i.e. out of order w.r.t. other commands. The first argument
		1270	is a client socket. Exti commands can be received anytime, even before
		1271	log-in.
		1272
		1273	If the callback returns something, it is sent back as if reply was being
		1274	called.
		1275
886	=cut	1276	=cut
887		1277
888	sub register_extcmd {	1278	sub register_extcmd {
889	my ($name, $cb) = @_;	1279	my ($name, $cb) = @_;
890		1280
891	$EXTCMD{$name} = $cb;	1281	$EXTCMD{$name} = $cb;
		1282	}
		1283
		1284	sub register_exticmd {
		1285	my ($name, $cb) = @_;
		1286
		1287	$EXTICMD{$name} = $cb;
892	}	1288	}
893		1289
894	cf::player->attach (	1290	cf::player->attach (
895	on_command => sub {	1291	on_command => sub {
896	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
…		…
905	cf::override;	1301	cf::override;
906	},	1302	},
907	on_extcmd => sub {	1303	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
909		1305
910	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1307
912	if (ref $msg) {	1308	if (ref $msg) {
		1309	my ($type, $reply, @payload) =
		1310	"ARRAY" eq ref $msg
		1311	? @$msg
		1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1313
		1314	my @reply;
		1315
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
918	} else {	1323	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1325	}
921		1326
922	cf::override;	1327	cf::override;
923	},	1328	},
924	);	1329	);
925		1330
926	sub load_extension {
927	my ($path) = @_;
928
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
930	my $base = $1;
931	my $pkg = $1;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}
954	die $@;
955	}
956
957	push @EXTS, $pkg;
958	}
959
960	sub load_extensions {	1331	sub load_extensions {
		1332	cf::sync_job {
		1333	my %todo;
		1334
961	for my $ext (<$LIBDIR/*.ext>) {	1335	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1336	next unless -r $path;
963	eval {	1337
964	load_extension $ext;	1338	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1339	my $base = $1;
		1340	my $pkg = $1;
		1341	$pkg =~ s/[^[:word:]]/_/g;
		1342	$pkg = "ext::$pkg";
		1343
		1344	open my $fh, "<:utf8", $path
		1345	or die "$path: $!";
		1346
		1347	my $source = do { local $/; <$fh> };
		1348
		1349	my %ext = (
		1350	path => $path,
		1351	base => $base,
		1352	pkg => $pkg,
		1353	);
		1354
		1355	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1356	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1357
		1358	$ext{source} =
		1359	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1360	. "#line 1 \"$path\"\n{\n"
		1361	. $source
		1362	. "\n};\n1";
		1363
		1364	$todo{$base} = \%ext;
		1365	}
		1366
		1367	my %done;
		1368	while (%todo) {
		1369	my $progress;
		1370
		1371	while (my ($k, $v) = each %todo) {
		1372	for (split /,\s*/, $v->{meta}{depends}) {
		1373	goto skip
		1374	unless exists $done{$_};
		1375	}
		1376
		1377	warn "... loading '$k' into '$v->{pkg}'\n";
		1378
		1379	unless (eval $v->{source}) {
		1380	my $msg = $@ ? "$v->{path}: $@\n"
		1381	: "$v->{base}: extension inactive.\n";
		1382
		1383	if (exists $v->{meta}{mandatory}) {
		1384	warn $msg;
		1385	cf::cleanup "mandatory extension failed to load, exiting.";
		1386	}
		1387
		1388	warn $msg;
		1389	}
		1390
		1391	$done{$k} = delete $todo{$k};
		1392	push @EXTS, $v->{pkg};
		1393	$progress = 1;
965	1	1394	}
966	} or warn "$ext not loaded: $@";	1395
		1396	skip:
		1397	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1398	unless $progress;
		1399	}
967	}	1400	};
968	}	1401	}
969		1402
970	#############################################################################	1403	#############################################################################
971		1404
		1405	=back
		1406
972	=head2 CORE EXTENSIONS	1407	=head2 CORE EXTENSIONS
973		1408
974	Functions and methods that extend core crossfire objects.	1409	Functions and methods that extend core deliantra objects.
975		1410
976	=cut	1411	=cut
977		1412
978	package cf::player;	1413	package cf::player;
979		1414
980	use Coro::AIO;	1415	use Coro::AIO;
981		1416
982	=head3 cf::player	1417	=head3 cf::player
983		1418
984	=over 4	1419	=over 4
		1420
		1421	=item cf::player::num_playing
		1422
		1423	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1424
		1425	=cut
		1426
		1427	sub num_playing {
		1428	scalar grep
		1429	$_->ob->map
		1430	&& !$_->hidden
		1431	&& !$_->ob->flag (cf::FLAG_WIZ),
		1432	cf::player::list
		1433	}
985		1434
986	=item cf::player::find $login	1435	=item cf::player::find $login
987		1436
988	Returns the given player object, loading it if necessary (might block).	1437	Returns the given player object, loading it if necessary (might block).
989		1438
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1474	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1475	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1476	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1477	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1478
1030	my $pl = load_pl path $login	1479	my $f = new_from_file cf::object::thawer path $login
1031	or return;	1480	or return;
		1481
		1482	my $pl = cf::player::load_pl $f
		1483	or return;
		1484
		1485	local $cf::PLAYER_LOADING{$login} = $pl;
		1486	$f->resolve_delayed_derefs;
1032	$cf::PLAYER{$login} = $pl	1487	$cf::PLAYER{$login} = $pl
1033	}	1488	}
1034	}	1489	}
1035	}	1490	}
1036		1491
…		…
1045	return if $pl->{deny_save};	1500	return if $pl->{deny_save};
1046		1501
1047	aio_mkdir playerdir $pl, 0770;	1502	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1503	$pl->{last_save} = $cf::RUNTIME;
1049		1504
		1505	cf::get_slot 0.01;
		1506
1050	$pl->save_pl ($path);	1507	$pl->save_pl ($path);
1051	Coro::cede;	1508	cf::cede_to_tick;
1052	}	1509	}
1053		1510
1054	sub new($) {	1511	sub new($) {
1055	my ($login) = @_;	1512	my ($login) = @_;
1056		1513
…		…
1062	$cf::PLAYER{$login} = $self;	1519	$cf::PLAYER{$login} = $self;
1063		1520
1064	$self	1521	$self
1065	}	1522	}
1066		1523
		1524	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1525
		1526	=cut
		1527
		1528	sub send_msg {
		1529	my $ns = shift->ns
		1530	or return;
		1531	$ns->send_msg (@_);
		1532	}
		1533
1067	=item $pl->quit_character	1534	=item $pl->quit_character
1068		1535
1069	Nukes the player without looking back. If logged in, the connection will	1536	Nukes the player without looking back. If logged in, the connection will
1070	be destroyed. May block for a long time.	1537	be destroyed. May block for a long time.
1071		1538
…		…
1075	my ($pl) = @_;	1542	my ($pl) = @_;
1076		1543
1077	my $name = $pl->ob->name;	1544	my $name = $pl->ob->name;
1078		1545
1079	$pl->{deny_save} = 1;	1546	$pl->{deny_save} = 1;
1080	$pl->password ("*"); # this should lock out the player until we nuked the dir	1547	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1081		1548
1082	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1083	$pl->deactivate;	1550	$pl->deactivate;
		1551	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1552	$pl->ob->check_score;
1084	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1085	$pl->ns->destroy if $pl->ns;	1554	$pl->ns->destroy if $pl->ns;
1086		1555
1087	my $path = playerdir $pl;	1556	my $path = playerdir $pl;
1088	my $temp = "$path~$cf::RUNTIME~deleting~";	1557	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1124	or return [];	1593	or return [];
1125		1594
1126	my @logins;	1595	my @logins;
1127		1596
1128	for my $login (@$dirs) {	1597	for my $login (@$dirs) {
		1598	my $path = path $login;
		1599
		1600	# a .pst is a dead give-away for a valid player
		1601	# if no pst file found, open and chekc for blocked users
		1602	if (aio_stat "$path.pst") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1603	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1604	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1605	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1606	}
1132		1607
1133	utf8::decode $login;	1608	utf8::decode $login;
1134	push @logins, $login;	1609	push @logins, $login;
1135	}	1610	}
1136		1611
…		…
1163	}	1638	}
1164		1639
1165	\@paths	1640	\@paths
1166	}	1641	}
1167		1642
		1643	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1644
		1645	Expand deliantra pod fragments into protocol xml.
		1646
1168	=item $player->ext_reply ($msgid, %msg)	1647	=item $player->ext_reply ($msgid, @msg)
1169		1648
1170	Sends an ext reply to the player.	1649	Sends an ext reply to the player.
1171		1650
1172	=cut	1651	=cut
1173		1652
1174	sub ext_reply($$%) {	1653	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1654	my ($self, $id, @msg) = @_;
1176		1655
1177	$msg{msgid} = $id;	1656	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1657	}
1181		1658
1182	=item $player->ext_event ($type, %msg)	1659	=item $player->ext_msg ($type, @msg)
1183		1660
1184	Sends an ext event to the client.	1661	Sends an ext event to the client.
1185		1662
1186	=cut	1663	=cut
1187		1664
1188	sub ext_event($$%) {	1665	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1666	my ($self, $type, @msg) = @_;
1190		1667
1191	$self->ns->ext_event ($type, %msg);	1668	$self->ns->ext_msg ($type, @msg);
1192	}	1669	}
1193		1670
1194	=head3 cf::region	1671	=head3 cf::region
1195		1672
1196	=over 4	1673	=over 4
…		…
1199		1676
1200	package cf::region;	1677	package cf::region;
1201		1678
1202	=item cf::region::find_by_path $path	1679	=item cf::region::find_by_path $path
1203		1680
1204	Tries to decuce the probable region for a map knowing only its path.	1681	Tries to decuce the likely region for a map knowing only its path.
1205		1682
1206	=cut	1683	=cut
1207		1684
1208	sub find_by_path($) {	1685	sub find_by_path($) {
1209	my ($path) = @_;	1686	my ($path) = @_;
1210		1687
1211	my ($match, $specificity);	1688	my ($match, $specificity);
1212		1689
1213	for my $region (list) {	1690	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1691	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1692	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1693	if $region->specificity > $specificity;
1217	}	1694	}
1218	}	1695	}
1219		1696
…		…
1240	our $MAX_RESET = 3600;	1717	our $MAX_RESET = 3600;
1241	our $DEFAULT_RESET = 3000;	1718	our $DEFAULT_RESET = 3000;
1242		1719
1243	sub generate_random_map {	1720	sub generate_random_map {
1244	my ($self, $rmp) = @_;	1721	my ($self, $rmp) = @_;
		1722
		1723	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1724
1245	# mit "rum" bekleckern, nicht	1725	# mit "rum" bekleckern, nicht
1246	$self->_create_random_map (	1726	$self->_create_random_map (
1247	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1248	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1249	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1283	my ($self, $merge) = @_;	1763	my ($self, $merge) = @_;
1284		1764
1285	# we have to keep some variables in memory intact	1765	# we have to keep some variables in memory intact
1286	local $self->{path};	1766	local $self->{path};
1287	local $self->{load_path};	1767	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1768
1291	$self->SUPER::thawer_merge ($merge);	1769	$self->SUPER::thawer_merge ($merge);
1292	}	1770	}
1293		1771
1294	sub normalise {	1772	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1819	$self->init; # pass $1 etc.
1342	return $self;	1820	return $self;
1343	}	1821	}
1344	}	1822	}
1345		1823
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1824	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1825	()
1348	}	1826	}
1349		1827
1350	sub init {	1828	sub init {
1351	my ($self) = @_;	1829	my ($self) = @_;
…		…
1373		1851
1374	# the temporary/swap location	1852	# the temporary/swap location
1375	sub save_path {	1853	sub save_path {
1376	my ($self) = @_;	1854	my ($self) = @_;
1377		1855
1378	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1856	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1379	"$TMPDIR/$path.map"	1857	"$TMPDIR/$path.map"
1380	}	1858	}
1381		1859
1382	# the unique path, undef == no special unique path	1860	# the unique path, undef == no special unique path
1383	sub uniq_path {	1861	sub uniq_path {
1384	my ($self) = @_;	1862	my ($self) = @_;
1385		1863
1386	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1387	"$UNIQUEDIR/$path"	1865	"$UNIQUEDIR/$path"
1388	}	1866	}
1389		1867
1390	# and all this just because we cannot iterate over	1868	# and all this just because we cannot iterate over
1391	# all maps in C++...	1869	# all maps in C++...
…		…
1394		1872
1395	$_->change_map_light ($change)	1873	$_->change_map_light ($change)
1396	for grep $_->outdoor, values %cf::MAP;	1874	for grep $_->outdoor, values %cf::MAP;
1397	}	1875	}
1398		1876
		1877	sub decay_objects {
		1878	my ($self) = @_;
		1879
		1880	return if $self->{deny_reset};
		1881
		1882	$self->do_decay_objects;
		1883	}
		1884
1399	sub unlink_save {	1885	sub unlink_save {
1400	my ($self) = @_;	1886	my ($self) = @_;
1401		1887
1402	utf8::encode (my $save = $self->save_path);	1888	utf8::encode (my $save = $self->save_path);
1403	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1889	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1406		1892
1407	sub load_header_from($) {	1893	sub load_header_from($) {
1408	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1409		1895
1410	utf8::encode $path;	1896	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1416		1905
1417	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1418		1907
1419	1	1908	1
1420	}	1909	}
…		…
1459	$self->load_header_orig	1948	$self->load_header_orig
1460	or return;	1949	or return;
1461	$self->prepare_orig;	1950	$self->prepare_orig;
1462	}	1951	}
1463		1952
		1953	$self->{deny_reset} = 1
		1954	if $self->no_reset;
		1955
1464	$self->default_region (cf::region::find_by_path $self->{path})	1956	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	1957	unless $self->default_region;
1466		1958
1467	1	1959	1
1468	}	1960	}
…		…
1471	sub find {	1963	sub find {
1472	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1473		1965
1474	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1475		1967
		1968	cf::lock_wait "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	1969	cf::lock_wait "map_find:$path";
1477		1970
1478	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
		1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1479	my $guard = cf::lock_acquire "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
		1974
1480	my $map = new_from_path cf::map $path	1975	my $map = new_from_path cf::map $path
1481	or return;	1976	or return;
1482		1977
1483	$map->{last_save} = $cf::RUNTIME;	1978	$map->{last_save} = $cf::RUNTIME;
1484		1979
1485	$map->load_header	1980	$map->load_header
1486	or return;	1981	or return;
1487		1982
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1983	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	1984	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	1985	#$cf::WAIT_FOR_TICK->wait;
		1986	undef $guard2;
		1987	undef $guard1;
1491	$map->reset;	1988	$map->reset;
1492	undef $guard;
1493	return find $path;	1989	return find $path;
1494	}	1990	}
1495		1991
1496	$cf::MAP{$path} = $map	1992	$cf::MAP{$path} = $map
1497	}	1993	}
…		…
1506	local $self->{deny_reset} = 1; # loading can take a long time	2002	local $self->{deny_reset} = 1; # loading can take a long time
1507		2003
1508	my $path = $self->{path};	2004	my $path = $self->{path};
1509		2005
1510	{	2006	{
1511	my $guard = cf::lock_acquire "map_load:$path";	2007	my $guard = cf::lock_acquire "map_data:$path";
1512		2008
		2009	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	2010	return unless $self->in_memory == cf::MAP_SWAPPED;
1514		2011
1515	$self->in_memory (cf::MAP_LOADING);	2012	$self->in_memory (cf::MAP_LOADING);
1516		2013
1517	$self->alloc;	2014	$self->alloc;
1518		2015
1519	$self->pre_load;	2016	$self->pre_load;
1520	Coro::cede;	2017	cf::cede_to_tick;
1521		2018
		2019	my $f = new_from_file cf::object::thawer $self->{load_path};
		2020	$f->skip_block;
1522	$self->_load_objects ($self->{load_path}, 1)	2021	$self->_load_objects ($f)
1523	or return;	2022	or return;
1524		2023
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2024	$self->post_load_original
1526	if delete $self->{load_original};	2025	if delete $self->{load_original};
1527		2026
1528	if (my $uniq = $self->uniq_path) {	2027	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	2028	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	2029	unless (aio_stat $uniq) {
		2030	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	2031	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	2032	$self->_load_objects ($f);
		2033	$f->resolve_delayed_derefs;
		2034	}
1533	}	2035	}
1534	}	2036	}
1535		2037
1536	Coro::cede;	2038	$f->resolve_delayed_derefs;
		2039
		2040	cf::cede_to_tick;
1537	# now do the right thing for maps	2041	# now do the right thing for maps
1538	$self->link_multipart_objects;	2042	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	2043	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	2044	unless $self->difficulty;
1541	Coro::cede;	2045	cf::cede_to_tick;
1542		2046
1543	unless ($self->{deny_activate}) {	2047	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	2048	$self->decay_objects;
1545	$self->fix_auto_apply;	2049	$self->fix_auto_apply;
1546	$self->update_buttons;	2050	$self->update_buttons;
1547	Coro::cede;	2051	cf::cede_to_tick;
1548	$self->set_darkness_map;	2052	$self->set_darkness_map;
1549	Coro::cede;	2053	cf::cede_to_tick;
1550	$self->activate;	2054	$self->activate;
1551	}	2055	}
1552		2056
		2057	$self->{last_save} = $cf::RUNTIME;
		2058	$self->last_access ($cf::RUNTIME);
		2059
1553	$self->in_memory (cf::MAP_IN_MEMORY);	2060	$self->in_memory (cf::MAP_ACTIVE);
1554	}	2061	}
1555		2062
1556	$self->post_load;	2063	$self->post_load;
1557	}	2064	}
1558		2065
…		…
1560	my ($self, $ob) = @_;	2067	my ($self, $ob) = @_;
1561		2068
1562	return find "~" . $ob->name . "/" . $self->{path}	2069	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	2070	if $self->per_player;
1564		2071
		2072	# return find "?party/" . $ob->name . "/" . $self->{path}
		2073	# if $self->per_party;
		2074
1565	$self	2075	$self
1566	}	2076	}
1567		2077
1568	# find and load all maps in the 3x3 area around a map	2078	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	2079	sub load_neighbours {
1570	my ($map) = @_;	2080	my ($map) = @_;
1571		2081
1572	my @diag; # diagonal neighbours	2082	my @neigh; # diagonal neighbours
1573		2083
1574	for (0 .. 3) {	2084	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	2085	my $neigh = $map->tile_path ($_)
1576	or next;	2086	or next;
1577	$neigh = find $neigh, $map	2087	$neigh = find $neigh, $map
1578	or next;	2088	or next;
1579	$neigh->load;	2089	$neigh->load;
1580		2090
		2091	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2092	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2093	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	2094	}
1584		2095
1585	for (@diag) {	2096	for (grep defined $_->[0], @neigh) {
		2097	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	2098	my $neigh = find $path, $origin
1587	or next;	2099	or next;
1588	$neigh->load;	2100	$neigh->load;
1589	}	2101	}
1590	}	2102	}
1591		2103
…		…
1596	}	2108	}
1597		2109
1598	sub do_load_sync {	2110	sub do_load_sync {
1599	my ($map) = @_;	2111	my ($map) = @_;
1600		2112
		2113	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2114	if $Coro::current == $Coro::main;
		2115
1601	cf::sync_job { $map->load };	2116	cf::sync_job { $map->load };
1602	}	2117	}
1603		2118
1604	our %MAP_PREFETCH;	2119	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2120	our $MAP_PREFETCHER = undef;
1606		2121
1607	sub find_async {	2122	sub find_async {
1608	my ($path, $origin) = @_;	2123	my ($path, $origin, $load) = @_;
1609		2124
1610	$path = normalise $path, $origin && $origin->{path};	2125	$path = normalise $path, $origin && $origin->{path};
1611		2126
1612	if (my $map = $cf::MAP{$path}) {	2127	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1614	}	2129	}
1615		2130
1616	undef $MAP_PREFETCH{$path};	2131	$MAP_PREFETCH{$path} |= $load;
		2132
1617	$MAP_PREFETCHER ||= cf::async {	2133	$MAP_PREFETCHER ||= cf::async {
		2134	$Coro::current->{desc} = "map prefetcher";
		2135
1618	while (%MAP_PREFETCH) {	2136	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2137	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2138	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2139	$map->load if $v;
		2140	}
1623		2141
1624	delete $MAP_PREFETCH{$path};	2142	delete $MAP_PREFETCH{$k};
1625	}	2143	}
1626	}	2144	}
1627	undef $MAP_PREFETCHER;	2145	undef $MAP_PREFETCHER;
1628	};	2146	};
1629	$MAP_PREFETCHER->prio (6);	2147	$MAP_PREFETCHER->prio (6);
…		…
1632	}	2150	}
1633		2151
1634	sub save {	2152	sub save {
1635	my ($self) = @_;	2153	my ($self) = @_;
1636		2154
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;	2155	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2156
1639	$self->{last_save} = $cf::RUNTIME;	2157	$self->{last_save} = $cf::RUNTIME;
1640		2158
1641	return unless $self->dirty;	2159	return unless $self->dirty;
1642		2160
…		…
1648	return if $self->{deny_save};	2166	return if $self->{deny_save};
1649		2167
1650	local $self->{last_access} = $self->last_access;#d#	2168	local $self->{last_access} = $self->last_access;#d#
1651		2169
1652	cf::async {	2170	cf::async {
		2171	$Coro::current->{desc} = "map player save";
1653	$_->contr->save for $self->players;	2172	$_->contr->save for $self->players;
1654	};	2173	};
		2174
		2175	cf::get_slot 0.02;
1655		2176
1656	if ($uniq) {	2177	if ($uniq) {
1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2178	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1658	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2179	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1659	} else {	2180	} else {
…		…
1665	my ($self) = @_;	2186	my ($self) = @_;
1666		2187
1667	# save first because save cedes	2188	# save first because save cedes
1668	$self->save;	2189	$self->save;
1669		2190
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2191	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2192
1672	return if $self->players;	2193	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;	2194	return if $self->in_memory != cf::MAP_ACTIVE;
1674	return if $self->{deny_save};	2195	return if $self->{deny_save};
1675		2196
		2197	$self->in_memory (cf::MAP_SWAPPED);
		2198
		2199	$self->deactivate;
		2200	$_->clear_links_to ($self) for values %cf::MAP;
1676	$self->clear;	2201	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2202	}
1679		2203
1680	sub reset_at {	2204	sub reset_at {
1681	my ($self) = @_;	2205	my ($self) = @_;
1682		2206
1683	# TODO: safety, remove and allow resettable per-player maps	2207	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2208	return 1e99 if $self->{deny_reset};
1686		2209
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2210	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2211	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2212
…		…
1700	my ($self) = @_;	2223	my ($self) = @_;
1701		2224
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2226
1704	return if $self->players;	2227	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2228
1707	warn "resetting map ", $self->path;#d#	2229	warn "resetting map ", $self->path;
1708		2230
1709	$self->in_memory (cf::MAP_SWAPPED);	2231	$self->in_memory (cf::MAP_SWAPPED);
1710		2232
1711	# need to save uniques path	2233	# need to save uniques path
1712	unless ($self->{deny_save}) {	2234	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2238	if $uniq;
1717	}	2239	}
1718		2240
1719	delete $cf::MAP{$self->path};	2241	delete $cf::MAP{$self->path};
1720		2242
		2243	$self->deactivate;
		2244	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2245	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2246
1725	$self->unlink_save;	2247	$self->unlink_save;
1726	$self->destroy;	2248	$self->destroy;
1727	}	2249	}
1728		2250
1729	my $nuke_counter = "aaaa";	2251	my $nuke_counter = "aaaa";
1730		2252
1731	sub nuke {	2253	sub nuke {
1732	my ($self) = @_;	2254	my ($self) = @_;
1733		2255
		2256	{
		2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2258
1734	delete $cf::MAP{$self->path};	2259	delete $cf::MAP{$self->path};
1735		2260
1736	$self->unlink_save;	2261	$self->unlink_save;
1737		2262
1738	bless $self, "cf::map";	2263	bless $self, "cf::map";
1739	delete $self->{deny_reset};	2264	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2265	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2266	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2267	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2268
1744	$cf::MAP{$self->path} = $self;	2269	$cf::MAP{$self->path} = $self;
		2270	}
1745		2271
1746	$self->reset; # polite request, might not happen	2272	$self->reset; # polite request, might not happen
		2273	}
		2274
		2275	=item $maps = cf::map::tmp_maps
		2276
		2277	Returns an arrayref with all map paths of currently instantiated and saved
		2278	maps. May block.
		2279
		2280	=cut
		2281
		2282	sub tmp_maps() {
		2283	[
		2284	map {
		2285	utf8::decode $_;
		2286	/\.map$/
		2287	? normalise $_
		2288	: ()
		2289	} @{ aio_readdir $TMPDIR or [] }
		2290	]
		2291	}
		2292
		2293	=item $maps = cf::map::random_maps
		2294
		2295	Returns an arrayref with all map paths of currently instantiated and saved
		2296	random maps. May block.
		2297
		2298	=cut
		2299
		2300	sub random_maps() {
		2301	[
		2302	map {
		2303	utf8::decode $_;
		2304	/\.map$/
		2305	? normalise "?random/$_"
		2306	: ()
		2307	} @{ aio_readdir $RANDOMDIR or [] }
		2308	]
1747	}	2309	}
1748		2310
1749	=item cf::map::unique_maps	2311	=item cf::map::unique_maps
1750		2312
1751	Returns an arrayref of paths of all shared maps that have	2313	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2314	instantiated unique items. May block.
1753		2315
1754	=cut	2316	=cut
1755		2317
1756	sub unique_maps() {	2318	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2319	[
1758	or return;	2320	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2321	utf8::decode $_;
1764	next if /\.pst$/;	2322	s/\.map$//; # TODO future compatibility hack
1765	next unless /^$PATH_SEP/o;	2323	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1766		2324	? ()
1767	push @paths, cf::map::normalise $_;	2325	: normalise $_
		2326	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2327	]
1769
1770	\@paths
1771	}	2328	}
1772
1773	package cf;
1774		2329
1775	=back	2330	=back
1776		2331
1777	=head3 cf::object	2332	=head3 cf::object
1778		2333
…		…
1782		2337
1783	=over 4	2338	=over 4
1784		2339
1785	=item $ob->inv_recursive	2340	=item $ob->inv_recursive
1786		2341
1787	Returns the inventory of the object _and_ their inventories, recursively.	2342	Returns the inventory of the object I<and> their inventories, recursively,
		2343	but I<not> the object itself.
1788		2344
1789	=cut	2345	=cut
1790		2346
1791	sub inv_recursive_;	2347	sub inv_recursive_;
1792	sub inv_recursive_ {	2348	sub inv_recursive_ {
…		…
1795		2351
1796	sub inv_recursive {	2352	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2353	inv_recursive_ inv $_[0]
1798	}	2354	}
1799		2355
		2356	=item $ref = $ob->ref
		2357
		2358	Creates and returns a persistent reference to an object that can be stored as a string.
		2359
		2360	=item $ob = cf::object::deref ($refstring)
		2361
		2362	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2363	even if the object actually exists. May block.
		2364
		2365	=cut
		2366
		2367	sub deref {
		2368	my ($ref) = @_;
		2369
		2370	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2371	my ($uuid, $name) = ($1, $2);
		2372	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2373	or return;
		2374	$pl->ob->uuid eq $uuid
		2375	or return;
		2376
		2377	$pl->ob
		2378	} else {
		2379	warn "$ref: cannot resolve object reference\n";
		2380	undef
		2381	}
		2382	}
		2383
1800	package cf;	2384	package cf;
1801		2385
1802	=back	2386	=back
1803		2387
1804	=head3 cf::object::player	2388	=head3 cf::object::player
…		…
1810	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2394	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1811	can be C<undef>. Does the right thing when the player is currently in a	2395	can be C<undef>. Does the right thing when the player is currently in a
1812	dialogue with the given NPC character.	2396	dialogue with the given NPC character.
1813		2397
1814	=cut	2398	=cut
		2399
		2400	our $SAY_CHANNEL = {
		2401	id => "say",
		2402	title => "Map",
		2403	reply => "say ",
		2404	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2405	};
		2406
		2407	our $CHAT_CHANNEL = {
		2408	id => "chat",
		2409	title => "Chat",
		2410	reply => "chat ",
		2411	tooltip => "Player chat and shouts, global to the server.",
		2412	};
1815		2413
1816	# rough implementation of a future "reply" method that works	2414	# rough implementation of a future "reply" method that works
1817	# with dialog boxes.	2415	# with dialog boxes.
1818	#TODO: the first argument must go, split into a $npc->reply_to ( method	2416	#TODO: the first argument must go, split into a $npc->reply_to ( method
1819	sub cf::object::player::reply($$$;$) {	2417	sub cf::object::player::reply($$$;$) {
…		…
1821		2419
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2421
1824	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1826	} else {	2425	} else {
		2426	my $pl = $self->contr;
		2427
		2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2429	my $dialog = $pl->{npc_dialog};
		2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2431
		2432	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2434	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2435	}
1829	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
1830	}	2447	}
1831		2448
1832	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1833		2450
1834	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1847		2464
1848	=item $player_object->enter_link	2465	=item $player_object->enter_link
1849		2466
1850	Freezes the player and moves him/her to a special map (C<{link}>).	2467	Freezes the player and moves him/her to a special map (C<{link}>).
1851		2468
1852	The player should be reasonably safe there for short amounts of time. You	2469	The player should be reasonably safe there for short amounts of time (e.g.
1853	I<MUST> call C<leave_link> as soon as possible, though.	2470	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2471	though, as the palyer cannot control the character while it is on the link
		2472	map.
1854		2473
1855	Will never block.	2474	Will never block.
1856		2475
1857	=item $player_object->leave_link ($map, $x, $y)	2476	=item $player_object->leave_link ($map, $x, $y)
1858		2477
…		…
1881	$self->deactivate_recursive;	2500	$self->deactivate_recursive;
1882		2501
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2502	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2503
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2504	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2505	if $self->map && $self->map->{path} ne "{link}";
1887		2506
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2507	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2508	}
1890		2509
1891	sub cf::object::player::leave_link {	2510	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2511	my ($self, $map, $x, $y) = @_;
		2512
		2513	return unless $self->contr->active;
1893		2514
1894	my $link_pos = delete $self->{_link_pos};	2515	my $link_pos = delete $self->{_link_pos};
1895		2516
1896	unless ($map) {	2517	unless ($map) {
1897	# restore original map position	2518	# restore original map position
…		…
1911	# use -1 or undef as default coordinates, not 0, 0	2532	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2533	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2534	if $x <=0 && $y <= 0;
1914		2535
1915	$map->load;	2536	$map->load;
1916	$map->load_diag;	2537	$map->load_neighbours;
1917		2538
1918	return unless $self->contr->active;	2539	return unless $self->contr->active;
		2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1919	$self->activate_recursive;	2541	$self->activate_recursive;
1920		2542
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2544	$self->enter_map ($map, $x, $y);
1923	}	2545	}
1924		2546
1925	cf::player->attach (	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2548
1929	# abort map switching before logout	2549	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2550	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2551	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2552	the new (success) or old (failed) map position. In either case, $done will
1933	};	2553	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2554
1939	# try to abort aborted map switching on player login :)	2555	Note that $check will be called with a potentially non-loaded map, so if
1940	# should happen only on crashes	2556	it needs a loaded map it has to call C<< ->load >>.
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956		2557
1957	=item $player_object->goto ($path, $x, $y)
1958
1959	=cut	2558	=cut
		2559
		2560	our $GOTOGEN;
1960		2561
1961	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2563	my ($self, $path, $x, $y, $check, $done) = @_;
		2564
		2565	# do generation counting so two concurrent goto's will be executed in-order
		2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2567
1964	$self->enter_link;	2568	$self->enter_link;
1965		2569
1966	(async {	2570	(async {
		2571	$Coro::current->{desc} = "player::goto $path $x $y";
		2572
		2573	# *tag paths override both path and x|y
		2574	if ($path =~ /^\*(.*)$/) {
		2575	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2576	my $ob = $obs[rand @obs];
		2577
		2578	# see if we actually can go there
		2579	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2580	$ob = $obs[rand @obs];
		2581	} else {
		2582	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584	# else put us there anyways for now #d#
		2585
		2586	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2587	} else {
		2588	($path, $x, $y) = (undef, undef, undef);
		2589	}
		2590	}
		2591
1967	my $map = eval {	2592	my $map = eval {
1968	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
		2594
		2595	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2596	$map = $map->customise_for ($self);
		2597	$map = $check->($map) if $check && $map;
		2598	} else {
		2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2600	}
		2601
1970	$map	2602	$map
		2603	};
		2604
		2605	if ($@) {
		2606	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2608	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2609
		2610	if ($gen == $self->{_goto_generation}) {
		2611	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
		2613	}
		2614
		2615	$done->() if $done;
1975	})->prio (1);	2616	})->prio (1);
1976	}	2617	}
1977		2618
1978	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
1979		2620
…		…
1999	}	2640	}
2000		2641
2001	sub prepare_random_map {	2642	sub prepare_random_map {
2002	my ($exit) = @_;	2643	my ($exit) = @_;
2003		2644
2004	my $guard = cf::lock_acquire "exit_prepare:$exit";
2005
2006	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
2007	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
2008	# that depends on the exit object	2647	# that depends on the exit object
2009		2648
2010	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
2012	if ($exit->map) {	2651	if ($exit->map) {
2013	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
2014	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
2015	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
2016	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
2017	}	2658	}
2018		2659
2019	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
2020		2661
2021	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2022	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
2023	my $meta = "$RANDOMDIR/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
2024		2665
2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
2027	undef $fh;	2668	undef $fh;
2028	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
2029		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
2030	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
2031	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
2032	}	2677	}
2033	}	2678	}
2034		2679
2035	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
2036	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
2037		2682
2038	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
2039		2684
2040	if ($exit->slaying eq "/!") {
2041	#TODO: this should de-fi-ni-te-ly not be a sync-job
2042	# the problem is that $exit might not survive long enough
2043	# so it needs to be done right now, right here
2044	cf::sync_job { prepare_random_map $exit };
2045	}
2046
2047	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2048	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;
2050
2051	$self->enter_link;	2685	$self->enter_link;
2052		2686
2053	(async {	2687	(async {
2054	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
2055	unless (eval {	2690	unless (eval {
		2691	$self->deactivate_recursive; # just to be sure
		2692
		2693	# random map handling
		2694	{
		2695	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2696
		2697	prepare_random_map $exit
		2698	if $exit->slaying eq "/!";
		2699	}
		2700
		2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2702	my $x = $exit->stats->hp;
		2703	my $y = $exit->stats->sp;
		2704
2056	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
2057		2706
		2707	# if exit is damned, update players death & WoR home-position
		2708	$self->contr->savebed ($map, $x, $y)
		2709	if $exit->flag (cf::FLAG_DAMNED);
		2710
2058	1;	2711	1
2059	}) {	2712	}) {
2060	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
2061	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
2062	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
2063	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
2064		2717
2065	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
…		…
2084		2737
2085	utf8::encode $text;	2738	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2740	}
2088		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	"c/party" => {
		2802	id => "party",
		2803	title => "Party",
		2804	reply => "gsay ",
		2805	tooltip => "Messages and chat related to your party",
		2806	},
		2807	);
		2808
		2809	sub cf::client::send_msg {
		2810	my ($self, $channel, $msg, $color, @extra) = @_;
		2811
		2812	$msg = $self->pl->expand_cfpod ($msg)
		2813	unless $color & cf::NDI_VERBATIM;
		2814
		2815	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2816
		2817	# check predefined channels, for the benefit of C
		2818	if ($CHANNEL{$channel}) {
		2819	$channel = $CHANNEL{$channel};
		2820
		2821	$self->ext_msg (channel_info => $channel)
		2822	if $self->can_msg;
		2823
		2824	$channel = $channel->{id};
		2825
		2826	} elsif (ref $channel) {
		2827	# send meta info to client, if not yet sent
		2828	unless (exists $self->{channel}{$channel->{id}}) {
		2829	$self->{channel}{$channel->{id}} = $channel;
		2830	$self->ext_msg (channel_info => $channel)
		2831	if $self->can_msg;
		2832	}
		2833
		2834	$channel = $channel->{id};
		2835	}
		2836
		2837	return unless @extra || length $msg;
		2838
		2839	if ($self->can_msg) {
		2840	# default colour, mask it out
		2841	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2842	if $color & cf::NDI_DEF;
		2843
		2844	my $pkt = "msg "
		2845	. $self->{json_coder}->encode (
		2846	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2847	);
		2848
		2849	# try lzf for large packets
		2850	$pkt = "lzf " . Compress::LZF::compress $pkt
		2851	if 1024 <= length $pkt and $self->{can_lzf};
		2852
		2853	# split very large packets
		2854	if (8192 < length $pkt and $self->{can_lzf}) {
		2855	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2856	$pkt = "frag";
		2857	}
		2858
		2859	$self->send_packet ($pkt);
		2860	} else {
		2861	if ($color >= 0) {
		2862	# replace some tags by gcfclient-compatible ones
		2863	for ($msg) {
		2864	1 while
		2865	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2866	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2867	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2868	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2869	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2870	}
		2871
		2872	$color &= cf::NDI_COLOR_MASK;
		2873
		2874	utf8::encode $msg;
		2875
		2876	if (0 && $msg =~ /\[/) {
		2877	# COMMAND/INFO
		2878	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2879	} else {
		2880	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2881	$self->send_packet ("drawinfo $color $msg")
		2882	}
		2883	}
		2884	}
		2885	}
		2886
2089	=item $client->ext_event ($type, %msg)	2887	=item $client->ext_msg ($type, @msg)
2090		2888
2091	Sends an exti event to the client.	2889	Sends an ext event to the client.
2092		2890
2093	=cut	2891	=cut
2094		2892
2095	sub cf::client::ext_event($$%) {	2893	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	2894	my ($self, $type, @msg) = @_;
2097		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2898	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	2899	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	2900	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2901	}
		2902	}
		2903
		2904	=item $client->ext_reply ($msgid, @msg)
		2905
		2906	Sends an ext reply to the client.
		2907
		2908	=cut
		2909
		2910	sub cf::client::ext_reply($$@) {
		2911	my ($self, $id, @msg) = @_;
		2912
		2913	if ($self->extcmd == 2) {
		2914	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2915	} elsif ($self->extcmd == 1) {
		2916	#TODO: version 1, remove
		2917	unshift @msg, msgtype => "reply", msgid => $id;
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2919	}
2100	}	2920	}
2101		2921
2102	=item $success = $client->query ($flags, "text", \&cb)	2922	=item $success = $client->query ($flags, "text", \&cb)
2103		2923
2104	Queues a query to the client, calling the given callback with	2924	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2925	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2926	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		2927
2108	Queries can fail, so check the return code. Or don't, as queries will become	2928	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	2929	become reliable at some point in the future.
2110		2930
2111	=cut	2931	=cut
2112		2932
2113	sub cf::client::query {	2933	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2934	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2942	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2943	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2944
2125	$self->send_packet ($self->{query_queue}[0][0])	2945	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2946	if @{ $self->{query_queue} } == 1;
		2947
		2948	1
2127	}	2949	}
2128		2950
2129	cf::client->attach (	2951	cf::client->attach (
		2952	on_connect => sub {
		2953	my ($ns) = @_;
		2954
		2955	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2956	},
2130	on_reply => sub {	2957	on_reply => sub {
2131	my ($ns, $msg) = @_;	2958	my ($ns, $msg) = @_;
2132		2959
2133	# this weird shuffling is so that direct followup queries	2960	# this weird shuffling is so that direct followup queries
2134	# get handled first	2961	# get handled first
…		…
2146	} else {	2973	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	2975	}
2149	}	2976	}
2150	},	2977	},
		2978	on_exticmd => sub {
		2979	my ($ns, $buf) = @_;
		2980
		2981	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2982
		2983	if (ref $msg) {
		2984	my ($type, $reply, @payload) =
		2985	"ARRAY" eq ref $msg
		2986	? @$msg
		2987	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2988
		2989	my @reply;
		2990
		2991	if (my $cb = $EXTICMD{$type}) {
		2992	@reply = $cb->($ns, @payload);
		2993	}
		2994
		2995	$ns->ext_reply ($reply, @reply)
		2996	if $reply;
		2997
		2998	} else {
		2999	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3000	}
		3001
		3002	cf::override;
		3003	},
2151	);	3004	);
2152		3005
2153	=item $client->async (\&cb)	3006	=item $client->async (\&cb)
2154		3007
2155	Create a new coroutine, running the specified callback. The coroutine will	3008	Create a new coroutine, running the specified callback. The coroutine will
…		…
2196	our $safe = new Safe "safe";	3049	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	3050	our $safe_hole = new Safe::Hole;
2198		3051
2199	$SIG{FPE} = 'IGNORE';	3052	$SIG{FPE} = 'IGNORE';
2200		3053
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3054	$safe->permit_only (Opcode::opset qw(
		3055	:base_core :base_mem :base_orig :base_math
		3056	grepstart grepwhile mapstart mapwhile
		3057	sort time
		3058	));
2202		3059
2203	# here we export the classes and methods available to script code	3060	# here we export the classes and methods available to script code
2204		3061
2205	=pod	3062	=pod
2206		3063
2207	The following functions and methods are available within a safe environment:	3064	The following functions and methods are available within a safe environment:
2208		3065
2209	cf::object contr pay_amount pay_player map	3066	cf::object
		3067	contr pay_amount pay_player map x y force_find force_add destroy
		3068	insert remove name archname title slaying race decrease split
		3069
2210	cf::object::player player	3070	cf::object::player
2211	cf::player peaceful	3071	player
2212	cf::map trigger	3072
		3073	cf::player
		3074	peaceful
		3075
		3076	cf::map
		3077	trigger
2213		3078
2214	=cut	3079	=cut
2215		3080
2216	for (	3081	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	3082	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3083	insert remove inv nrof name archname title slaying race
		3084	decrease split destroy change_exp)],
2218	["cf::object::player" => qw(player)],	3085	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	3086	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	3087	["cf::map" => qw(trigger)],
2221	) {	3088	) {
2222	no strict 'refs';	3089	no strict 'refs';
…		…
2293	=back	3160	=back
2294		3161
2295	=cut	3162	=cut
2296		3163
2297	#############################################################################	3164	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	3165	# the server's init and main functions
2473		3166
2474	sub load_facedata($) {	3167	sub load_facedata($) {
2475	my ($path) = @_;	3168	my ($path) = @_;
		3169
		3170	# HACK to clear player env face cache, we need some signal framework
		3171	# for this (global event?)
		3172	%ext::player_env::MUSIC_FACE_CACHE = ();
		3173
		3174	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2476		3175
2477	warn "loading facedata from $path\n";	3176	warn "loading facedata from $path\n";
2478		3177
2479	my $facedata;	3178	my $facedata;
2480	0 < aio_load $path, $facedata	3179	0 < aio_load $path, $facedata
…		…
2483	$facedata = Coro::Storable::thaw $facedata;	3182	$facedata = Coro::Storable::thaw $facedata;
2484		3183
2485	$facedata->{version} == 2	3184	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	3185	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		3186
		3187	# patch in the exptable
		3188	$facedata->{resource}{"res/exp_table"} = {
		3189	type => FT_RSRC,
		3190	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3191	};
		3192	cf::cede_to_tick;
		3193
2488	{	3194	{
2489	my $faces = $facedata->{faceinfo};	3195	my $faces = $facedata->{faceinfo};
2490		3196
2491	while (my ($face, $info) = each %$faces) {	3197	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3199
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3200	cf::face::set_visibility $idx, $info->{visibility};
		3201	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3202	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3203	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496	Coro::cede;	3204
		3205	cf::cede_to_tick;
2497	}	3206	}
2498		3207
2499	while (my ($face, $info) = each %$faces) {	3208	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3209	next unless $info->{smooth};
		3210
2501	my $idx = cf::face::find $face	3211	my $idx = cf::face::find $face
2502	or next;	3212	or next;
		3213
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3214	if (my $smooth = cf::face::find $info->{smooth}) {
		3215	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3217	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3218	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3219	}
2508	Coro::cede;	3220
		3221	cf::cede_to_tick;
2509	}	3222	}
2510	}	3223	}
2511		3224
2512	{	3225	{
2513	my $anims = $facedata->{animinfo};	3226	my $anims = $facedata->{animinfo};
2514		3227
2515	while (my ($anim, $info) = each %$anims) {	3228	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3229	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3230	cf::cede_to_tick;
2518	}	3231	}
2519		3232
2520	cf::anim::invalidate_all; # d'oh	3233	cf::anim::invalidate_all; # d'oh
2521	}	3234	}
2522		3235
		3236	{
		3237	# TODO: for gcfclient pleasure, we should give resources
		3238	# that gcfclient doesn't grok a >10000 face index.
		3239	my $res = $facedata->{resource};
		3240
		3241	while (my ($name, $info) = each %$res) {
		3242	if (defined $info->{type}) {
		3243	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3244	my $data;
		3245
		3246	if ($info->{type} & 1) {
		3247	# prepend meta info
		3248
		3249	my $meta = $enc->encode ({
		3250	name => $name,
		3251	%{ $info->{meta} || {} },
		3252	});
		3253
		3254	$data = pack "(w/a*)*", $meta, $info->{data};
		3255	} else {
		3256	$data = $info->{data};
		3257	}
		3258
		3259	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3260	cf::face::set_type $idx, $info->{type};
		3261	} else {
		3262	$RESOURCE{$name} = $info;
		3263	}
		3264
		3265	cf::cede_to_tick;
		3266	}
		3267	}
		3268
		3269	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3270
2523	1	3271	1
2524	}	3272	}
2525		3273
		3274	cf::global->attach (on_resource_update => sub {
		3275	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3276	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3277
		3278	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3279	my $sound = $soundconf->{compat}[$_]
		3280	or next;
		3281
		3282	my $face = cf::face::find "sound/$sound->[1]";
		3283	cf::sound::set $sound->[0] => $face;
		3284	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3285	}
		3286
		3287	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3288	my $face = cf::face::find "sound/$v";
		3289	cf::sound::set $k => $face;
		3290	}
		3291	}
		3292	});
		3293
		3294	register_exticmd fx_want => sub {
		3295	my ($ns, $want) = @_;
		3296
		3297	while (my ($k, $v) = each %$want) {
		3298	$ns->fx_want ($k, $v);
		3299	}
		3300	};
		3301
		3302	sub load_resource_file($) {
		3303	my $guard = lock_acquire "load_resource_file";
		3304
		3305	my $status = load_resource_file_ $_[0];
		3306	get_slot 0.1, 100;
		3307	cf::arch::commit_load;
		3308
		3309	$status
		3310	}
		3311
2526	sub reload_regions {	3312	sub reload_regions {
		3313	# HACK to clear player env face cache, we need some signal framework
		3314	# for this (global event?)
		3315	%ext::player_env::MUSIC_FACE_CACHE = ();
		3316
2527	load_resource_file "$MAPDIR/regions"	3317	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3318	or die "unable to load regions file\n";
		3319
		3320	for (cf::region::list) {
		3321	$_->{match} = qr/$_->{match}/
		3322	if exists $_->{match};
		3323	}
2529	}	3324	}
2530		3325
2531	sub reload_facedata {	3326	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3327	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3328	or die "unable to load facedata\n";
…		…
2544	}	3339	}
2545		3340
2546	sub reload_resources {	3341	sub reload_resources {
2547	warn "reloading resource files...\n";	3342	warn "reloading resource files...\n";
2548		3343
2549	reload_regions;
2550	reload_facedata;	3344	reload_facedata;
2551	reload_archetypes;	3345	reload_archetypes;
		3346	reload_regions;
2552	reload_treasures;	3347	reload_treasures;
2553		3348
2554	warn "finished reloading resource files\n";	3349	warn "finished reloading resource files\n";
2555	}	3350	}
2556		3351
2557	sub init {	3352	sub init {
		3353	my $guard = freeze_mainloop;
		3354
		3355	evthread_start IO::AIO::poll_fileno;
		3356
2558	reload_resources;	3357	reload_resources;
2559	}	3358	}
2560		3359
2561	sub cfg_load {	3360	sub reload_config {
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3361	open my $fh, "<:utf8", "$CONFDIR/config"
2563	or return;	3362	or return;
2564		3363
2565	local $/;	3364	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;	3365	*CFG = YAML::Load <$fh>;
2567		3366
2568	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2569		3368
2570	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3369	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2571	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3370	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2577	};	3376	};
2578	warn $@ if $@;	3377	warn $@ if $@;
2579	}	3378	}
2580	}	3379	}
2581		3380
		3381	sub pidfile() {
		3382	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3383	or die "$PIDFILE: $!";
		3384	flock $fh, &Fcntl::LOCK_EX
		3385	or die "$PIDFILE: flock: $!";
		3386	$fh
		3387	}
		3388
		3389	# make sure only one server instance is running at any one time
		3390	sub atomic {
		3391	my $fh = pidfile;
		3392
		3393	my $pid = <$fh>;
		3394	kill 9, $pid if $pid > 0;
		3395
		3396	seek $fh, 0, 0;
		3397	print $fh $$;
		3398	}
		3399
2582	sub main {	3400	sub main {
		3401	atomic;
		3402
2583	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2584	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2585	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586	(async {	3406	(async {
2587	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2588	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2589	};	3410	};
2590		3411
2591	cfg_load;	3412	{
		3413	my $guard = freeze_mainloop;
		3414	reload_config;
2592	db_init;	3415	db_init;
2593	load_extensions;	3416	load_extensions;
2594		3417
2595	$TICK_WATCHER->start;	3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419	}
		3420
		3421	utime time, time, $RUNTIMEFILE;
		3422
		3423	# no (long-running) fork's whatsoever before this point(!)
		3424	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3425
2596	Event::loop;	3426	EV::loop;
2597	}	3427	}
2598		3428
2599	#############################################################################	3429	#############################################################################
2600	# initialisation and cleanup	3430	# initialisation and cleanup
2601		3431
2602	# install some emergency cleanup handlers	3432	# install some emergency cleanup handlers
2603	BEGIN {	3433	BEGIN {
		3434	our %SIGWATCHER = ();
2604	for my $signal (qw(INT HUP TERM)) {	3435	for my $signal (qw(INT HUP TERM)) {
2605	Event->signal (	3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	signal => $signal,
2609	prio => 0,
2610	cb => sub {
2611	cf::cleanup "SIG$signal";	3437	cf::cleanup "SIG$signal";
2612	},
2613	);	3438	};
		3439	}
		3440	}
		3441
		3442	sub write_runtime_sync {
		3443	# first touch the runtime file to show we are still running:
		3444	# the fsync below can take a very very long time.
		3445
		3446	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3447
		3448	my $guard = cf::lock_acquire "write_runtime";
		3449
		3450	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3451	or return;
		3452
		3453	my $value = $cf::RUNTIME + 90 + 10;
		3454	# 10 is the runtime save interval, for a monotonic clock
		3455	# 60 allows for the watchdog to kill the server.
		3456
		3457	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3458	and return;
		3459
		3460	# always fsync - this file is important
		3461	aio_fsync $fh
		3462	and return;
		3463
		3464	# touch it again to show we are up-to-date
		3465	aio_utime $fh, undef, undef;
		3466
		3467	close $fh
		3468	or return;
		3469
		3470	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3471	and return;
		3472
		3473	warn "runtime file written.\n";
		3474
2614	}	3475	1
		3476	}
		3477
		3478	our $uuid_lock;
		3479	our $uuid_skip;
		3480
		3481	sub write_uuid_sync($) {
		3482	$uuid_skip ||= $_[0];
		3483
		3484	return if $uuid_lock;
		3485	local $uuid_lock = 1;
		3486
		3487	my $uuid = "$LOCALDIR/uuid";
		3488
		3489	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3490	or return;
		3491
		3492	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3493	$uuid_skip = 0;
		3494
		3495	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3496	and return;
		3497
		3498	# always fsync - this file is important
		3499	aio_fsync $fh
		3500	and return;
		3501
		3502	close $fh
		3503	or return;
		3504
		3505	aio_rename "$uuid~", $uuid
		3506	and return;
		3507
		3508	warn "uuid file written ($value).\n";
		3509
		3510	1
		3511
		3512	}
		3513
		3514	sub write_uuid($$) {
		3515	my ($skip, $sync) = @_;
		3516
		3517	$sync ? write_uuid_sync $skip
		3518	: async { write_uuid_sync $skip };
2615	}	3519	}
2616		3520
2617	sub emergency_save() {	3521	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3522	my $freeze_guard = cf::freeze_mainloop;
2619		3523
…		…
2625	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2626	warn "begin emergency player save\n";	3530	warn "begin emergency player save\n";
2627	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2628	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2629	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630	$pl->save;	3535	$pl->save;
2631	}	3536	}
2632	warn "end emergency player save\n";	3537	warn "end emergency player save\n";
2633		3538
2634	warn "begin emergency map save\n";	3539	warn "begin emergency map save\n";
…		…
2640	warn "end emergency map save\n";	3545	warn "end emergency map save\n";
2641		3546
2642	warn "begin emergency database checkpoint\n";	3547	warn "begin emergency database checkpoint\n";
2643	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
2644	warn "end emergency database checkpoint\n";	3549	warn "end emergency database checkpoint\n";
		3550
		3551	warn "begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "end write uuid\n";
2645	};	3554	};
2646		3555
2647	warn "leave emergency perl save\n";	3556	warn "leave emergency perl save\n";
2648	}	3557	}
2649		3558
2650	sub post_cleanup {	3559	sub post_cleanup {
2651	my ($make_core) = @_;	3560	my ($make_core) = @_;
2652		3561
2653	warn Carp::longmess "post_cleanup backtrace"	3562	warn Carp::longmess "post_cleanup backtrace"
2654	if $make_core;	3563	if $make_core;
		3564
		3565	my $fh = pidfile;
		3566	unlink $PIDFILE if <$fh> == $$;
2655	}	3567	}
		3568
		3569	# a safer delete_package, copied from Symbol
		3570	sub clear_package($) {
		3571	my $pkg = shift;
		3572
		3573	# expand to full symbol table name if needed
		3574	unless ($pkg =~ /^main::.*::$/) {
		3575	$pkg = "main$pkg" if $pkg =~ /^::/;
		3576	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3577	$pkg .= '::' unless $pkg =~ /::$/;
		3578	}
		3579
		3580	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3581	my $stem_symtab = *{$stem}{HASH};
		3582
		3583	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3584	or return;
		3585
		3586	# clear all symbols
		3587	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3588	for my $name (keys %$leaf_symtab) {
		3589	_gv_clear *{"$pkg$name"};
		3590	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3591	}
		3592	warn "cleared package #$pkg\n";#d#
		3593	}
		3594
		3595	our $RELOAD; # how many times to reload
2656		3596
2657	sub do_reload_perl() {	3597	sub do_reload_perl() {
2658	# can/must only be called in main	3598	# can/must only be called in main
2659	if ($Coro::current != $Coro::main) {	3599	if ($Coro::current != $Coro::main) {
2660	warn "can only reload from main coroutine";	3600	warn "can only reload from main coroutine";
2661	return;	3601	return;
2662	}	3602	}
2663		3603
		3604	return if $RELOAD++;
		3605
		3606	while ($RELOAD) {
2664	warn "reloading...";	3607	warn "reloading...";
2665		3608
2666	warn "entering sync_job";	3609	warn "entering sync_job";
2667		3610
2668	cf::sync_job {	3611	cf::sync_job {
2669	cf::write_runtime; # external watchdog should not bark	3612	cf::write_runtime_sync; # external watchdog should not bark
2670	cf::emergency_save;	3613	cf::emergency_save;
2671	cf::write_runtime; # external watchdog should not bark	3614	cf::write_runtime_sync; # external watchdog should not bark
2672		3615
2673	warn "syncing database to disk";	3616	warn "syncing database to disk";
2674	BDB::db_env_txn_checkpoint $DB_ENV;	3617	BDB::db_env_txn_checkpoint $DB_ENV;
2675		3618
2676	# if anything goes wrong in here, we should simply crash as we already saved	3619	# if anything goes wrong in here, we should simply crash as we already saved
2677		3620
2678	warn "cancelling all WF_AUTOCANCEL watchers";
2679	for (Event::all_watchers) {
2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2681	}
2682
2683	warn "flushing outstanding aio requests";	3621	warn "flushing outstanding aio requests";
2684	for (;;) {
2685	BDB::flush;
2686	IO::AIO::flush;
2687	Coro::cede;
2688	last unless IO::AIO::nreqs || BDB::nreqs;	3622	while (IO::AIO::nreqs || BDB::nreqs) {
2689	warn "iterate...";	3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2690	}
2691
2692	++$RELOAD;
2693
2694	warn "cancelling all extension coros";
2695	$_->cancel for values %EXT_CORO;
2696	%EXT_CORO = ();
2697
2698	warn "removing commands";
2699	%COMMAND = ();
2700
2701	warn "removing ext commands";
2702	%EXTCMD = ();
2703
2704	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";
2707
2708	if (my $cb = $pkg->can ("unload")) {
2709	eval {
2710	$cb->($pkg);
2711	1
2712	} or warn "$pkg unloaded, but with errors: $@";
2713	}	3624	}
2714		3625
2715	warn "... nuking $pkg";	3626	warn "cancelling all extension coros";
2716	Symbol::delete_package $pkg;	3627	$_->cancel for values %EXT_CORO;
2717	}	3628	%EXT_CORO = ();
2718		3629
2719	warn "unloading all perl modules loaded from $LIBDIR";	3630	warn "removing commands";
2720	while (my ($k, $v) = each %INC) {	3631	%COMMAND = ();
2721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2722		3632
		3633	warn "removing ext/exti commands";
		3634	%EXTCMD = ();
		3635	%EXTICMD = ();
		3636
		3637	warn "unloading/nuking all extensions";
		3638	for my $pkg (@EXTS) {
2723	warn "... unloading $k";	3639	warn "... unloading $pkg";
2724	delete $INC{$k};
2725		3640
2726	$k =~ s/\.pm$//;
2727	$k =~ s/\//::/g;
2728
2729	if (my $cb = $k->can ("unload_module")) {	3641	if (my $cb = $pkg->can ("unload")) {
		3642	eval {
2730	$cb->();	3643	$cb->($pkg);
		3644	1
		3645	} or warn "$pkg unloaded, but with errors: $@";
		3646	}
		3647
		3648	warn "... clearing $pkg";
		3649	clear_package $pkg;
2731	}	3650	}
2732		3651
2733	Symbol::delete_package $k;	3652	warn "unloading all perl modules loaded from $LIBDIR";
		3653	while (my ($k, $v) = each %INC) {
		3654	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3655
		3656	warn "... unloading $k";
		3657	delete $INC{$k};
		3658
		3659	$k =~ s/\.pm$//;
		3660	$k =~ s/\//::/g;
		3661
		3662	if (my $cb = $k->can ("unload_module")) {
		3663	$cb->();
		3664	}
		3665
		3666	clear_package $k;
2734	}	3667	}
2735		3668
2736	warn "getting rid of safe::, as good as possible";	3669	warn "getting rid of safe::, as good as possible";
2737	Symbol::delete_package "safe::$_"	3670	clear_package "safe::$_"
2738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3671	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2739		3672
2740	warn "unloading cf.pm \"a bit\"";	3673	warn "unloading cf.pm \"a bit\"";
2741	delete $INC{"cf.pm"};	3674	delete $INC{"cf.pm"};
2742	delete $INC{"cf/pod.pm"};	3675	delete $INC{"cf/pod.pm"};
2743		3676
2744	# don't, removes xs symbols, too,	3677	# don't, removes xs symbols, too,
2745	# and global variables created in xs	3678	# and global variables created in xs
2746	#Symbol::delete_package __PACKAGE__;	3679	#clear_package __PACKAGE__;
2747		3680
2748	warn "unload completed, starting to reload now";	3681	warn "unload completed, starting to reload now";
2749		3682
2750	warn "reloading cf.pm";	3683	warn "reloading cf.pm";
2751	require cf;	3684	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753		3686
2754	warn "loading config and database again";	3687	warn "loading config and database again";
2755	cf::cfg_load;	3688	cf::reload_config;
2756		3689
2757	warn "loading extensions";	3690	warn "loading extensions";
2758	cf::load_extensions;	3691	cf::load_extensions;
2759		3692
2760	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
2761	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
2762	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
2763	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
2764	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
2765	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
2766		3699
2767	warn "leaving sync_job";	3700	warn "leaving sync_job";
2768		3701
2769	1	3702	1
2770	} or do {	3703	} or do {
2771	warn $@;	3704	warn $@;
2772	warn "error while reloading, exiting.";	3705	cf::cleanup "error while reloading, exiting.";
2773	exit 1;
2774	};	3706	};
2775		3707
2776	warn "reloaded";	3708	warn "reloaded";
		3709	--$RELOAD;
		3710	}
2777	};	3711	};
2778		3712
2779	our $RELOAD_WATCHER; # used only during reload	3713	our $RELOAD_WATCHER; # used only during reload
2780		3714
2781	sub reload_perl() {	3715	sub reload_perl() {
2782	# doing reload synchronously and two reloads happen back-to-back,	3716	# doing reload synchronously and two reloads happen back-to-back,
2783	# coro crashes during coro_state_free->destroy here.	3717	# coro crashes during coro_state_free->destroy here.
2784		3718
2785	$RELOAD_WATCHER ||= Event->timer (	3719	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2786	reentrant => 0,
2787	after => 0,
2788	data => WF_AUTOCANCEL,
2789	cb => sub {
2790	do_reload_perl;	3720	do_reload_perl;
2791	undef $RELOAD_WATCHER;	3721	undef $RELOAD_WATCHER;
2792	},
2793	);	3722	};
2794	}	3723	}
2795		3724
2796	register_command "reload" => sub {	3725	register_command "reload" => sub {
2797	my ($who, $arg) = @_;	3726	my ($who, $arg) = @_;
2798		3727
2799	if ($who->flag (FLAG_WIZ)) {	3728	if ($who->flag (FLAG_WIZ)) {
2800	$who->message ("reloading server.");	3729	$who->message ("reloading server.");
		3730	async {
		3731	$Coro::current->{desc} = "perl_reload";
2801	async { reload_perl };	3732	reload_perl;
		3733	};
2802	}	3734	}
2803	};	3735	};
2804		3736
2805	unshift @INC, $LIBDIR;	3737	unshift @INC, $LIBDIR;
2806		3738
…		…
2808		3740
2809	our @WAIT_FOR_TICK;	3741	our @WAIT_FOR_TICK;
2810	our @WAIT_FOR_TICK_BEGIN;	3742	our @WAIT_FOR_TICK_BEGIN;
2811		3743
2812	sub wait_for_tick {	3744	sub wait_for_tick {
2813	return unless $TICK_WATCHER->is_active;
2814	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
2815		3746
2816	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
2817	push @WAIT_FOR_TICK, $signal;	3748	push @WAIT_FOR_TICK, $signal;
2818	$signal->wait;	3749	$signal->wait;
2819	}	3750	}
2820		3751
2821	sub wait_for_tick_begin {	3752	sub wait_for_tick_begin {
2822	return unless $TICK_WATCHER->is_active;
2823	return if $Coro::current == $Coro::main;	3753	return if tick_inhibit || $Coro::current == $Coro::main;
2824		3754
2825	my $signal = new Coro::Signal;	3755	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	3756	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	3757	$signal->wait;
2828	}	3758	}
2829		3759
2830	$TICK_WATCHER = Event->timer (	3760	sub tick {
2831	reentrant => 0,
2832	parked => 1,
2833	prio => 0,
2834	at => $NEXT_TICK || $TICK,
2835	data => WF_AUTOCANCEL,
2836	cb => sub {
2837	if ($Coro::current != $Coro::main) {	3761	if ($Coro::current != $Coro::main) {
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3762	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3763	unless ++$bug_warning > 10;
2840	return;	3764	return;
2841	}	3765	}
2842		3766
2843	$NOW = Event::time;
2844
2845	cf::server_tick; # one server iteration	3767	cf::server_tick; # one server iteration
2846		3768
2847	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;
2849
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851	$NEXT_RUNTIME_WRITE = $NOW + 10;	3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852	Coro::async_pool {	3771	Coro::async_pool {
		3772	$Coro::current->{desc} = "runtime saver";
2853	write_runtime	3773	write_runtime_sync
2854	or warn "ERROR: unable to write runtime file: $!";	3774	or warn "ERROR: unable to write runtime file: $!";
2855	};
2856	}	3775	};
		3776	}
2857		3777
2858	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#
2860
2861	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;
2866
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3778	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868	$sig->send;	3779	$sig->send;
2869	}	3780	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {	3781	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;	3782	$sig->send;
2872	}
2873
2874	_post_tick;
2875	},	3783	}
2876	);	3784
		3785	$LOAD = ($NOW - $TICK_START) / $TICK;
		3786	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3787
		3788	if (0) {
		3789	if ($NEXT_TICK) {
		3790	my $jitter = $TICK_START - $NEXT_TICK;
		3791	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3792	warn "jitter $JITTER\n";#d#
		3793	}
		3794	}
		3795	}
2877		3796
2878	{	3797	{
2879	BDB::max_poll_time $TICK * 0.1;	3798	# configure BDB
2880	$BDB_POLL_WATCHER = Event->io (	3799
2881	reentrant => 0,
2882	fd => BDB::poll_fileno,
2883	poll => 'r',
2884	prio => 0,
2885	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,
2887	);
2888	BDB::min_parallel 8;	3800	BDB::min_parallel 8;
2889		3801	BDB::max_poll_reqs $TICK * 0.1;
2890	BDB::set_sync_prepare {	3802	$AnyEvent::BDB::WATCHER->priority (1);
2891	my $status;
2892	my $current = $Coro::current;
2893	(
2894	sub {
2895	$status = $!;
2896	$current->ready; undef $current;
2897	},
2898	sub {
2899	Coro::schedule while defined $current;
2900	$! = $status;
2901	},
2902	)
2903	};
2904		3803
2905	unless ($DB_ENV) {	3804	unless ($DB_ENV) {
2906	$DB_ENV = BDB::db_env_create;	3805	$DB_ENV = BDB::db_env_create;
		3806	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3807	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3808	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3809	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3810	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907		3811
2908	cf::sync_job {	3812	cf::sync_job {
2909	eval {	3813	eval {
2910	BDB::db_env_open	3814	BDB::db_env_open
2911	$DB_ENV,	3815	$DB_ENV,
…		…
2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3817	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3818	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	3819	0666;
2916		3820
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3821	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920	$DB_ENV->set_lk_detect;
2921	};	3822	};
2922		3823
2923	cf::cleanup "db_env_open(db): $@" if $@;	3824	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	3825	};
2925	}	3826	}
		3827
		3828	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3829	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3830	};
		3831	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3832	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3833	};
		3834	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3835	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3836	};
2926	}	3837	}
2927		3838
2928	{	3839	{
		3840	# configure IO::AIO
		3841
2929	IO::AIO::min_parallel 8;	3842	IO::AIO::min_parallel 8;
2930
2931	undef $Coro::AIO::WATCHER;
2932	IO::AIO::max_poll_time $TICK * 0.1;	3843	IO::AIO::max_poll_time $TICK * 0.1;
2933	$AIO_POLL_WATCHER = Event->io (	3844	undef $AnyEvent::AIO::WATCHER;
2934	reentrant => 0,
2935	data => WF_AUTOCANCEL,
2936	fd => IO::AIO::poll_fileno,
2937	poll => 'r',
2938	prio => 6,
2939	cb => \&IO::AIO::poll_cb,
2940	);
2941	}	3845	}
2942		3846
2943	my $_log_backtrace;	3847	my $_log_backtrace;
2944		3848
2945	sub _log_backtrace {	3849	sub _log_backtrace {
…		…
2948	$msg =~ s/\n//;	3852	$msg =~ s/\n//;
2949		3853
2950	# limit the # of concurrent backtraces	3854	# limit the # of concurrent backtraces
2951	if ($_log_backtrace < 2) {	3855	if ($_log_backtrace < 2) {
2952	++$_log_backtrace;	3856	++$_log_backtrace;
		3857	my $perl_bt = Carp::longmess $msg;
2953	async {	3858	async {
		3859	$Coro::current->{desc} = "abt $msg";
		3860
2954	my @bt = fork_call {	3861	my @bt = fork_call {
2955	@addr = map { sprintf "%x", $_ } @addr;	3862	@addr = map { sprintf "%x", $_ } @addr;
2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3863	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3864	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958	or die "addr2line: $!";	3865	or die "addr2line: $!";
…		…
2966	}	3873	}
2967		3874
2968	@funcs	3875	@funcs
2969	};	3876	};
2970		3877
2971	LOG llevInfo, "[ABT] $msg\n";	3878	LOG llevInfo, "[ABT] $perl_bt\n";
		3879	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2972	LOG llevInfo, "[ABT] $_\n" for @bt;	3880	LOG llevInfo, "[ABT] $_\n" for @bt;
2973	--$_log_backtrace;	3881	--$_log_backtrace;
2974	};	3882	};
2975	} else {	3883	} else {
2976	LOG llevInfo, "[ABT] $msg\n";	3884	LOG llevInfo, "[ABT] $msg\n";

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