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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.257 by root, Sat Apr 21 17:34:24 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 $guard = cf::lock_acquire "write_runtime";
373		555
374	my $runtime = "$LOCALDIR/runtime";	556	Executes the given code block with the given arguments in a seperate
		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.
375		560
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	561	=cut
377	or return;
378		562
379	my $value = $cf::RUNTIME + 90 + 10;	563	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	564	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		565
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	566	# we seemingly have to make a local copy of the whole thing,
384	and return;	567	# otherwise perl prematurely frees the stuff :/
		568	# TODO: investigate and fix (likely this will be rather laborious)
385		569
386	# always fsync - this file is important	570	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	571	reset_signals;
388	and return;	572	&$cb
		573	}, @args;
389		574
390	close $fh	575	wantarray ? @res : $res[-1]
391	or return;	576	}
392		577
393	aio_rename "$runtime~", $runtime	578	=item $coin = coin_from_name $name
394	and return;
395		579
		580	=cut
		581
		582	our %coin_alias = (
		583	"silver" => "silvercoin",
		584	"silvercoin" => "silvercoin",
		585	"silvercoins" => "silvercoin",
		586	"gold" => "goldcoin",
		587	"goldcoin" => "goldcoin",
		588	"goldcoins" => "goldcoin",
		589	"platinum" => "platinacoin",
		590	"platinumcoin" => "platinacoin",
		591	"platinumcoins" => "platinacoin",
		592	"platina" => "platinacoin",
		593	"platinacoin" => "platinacoin",
		594	"platinacoins" => "platinacoin",
		595	"royalty" => "royalty",
		596	"royalties" => "royalty",
		597	);
		598
		599	sub coin_from_name($) {
		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 $!;
		632	};
		633	cf::cleanup "db_open(db): $@" if $@;
		634
		635	$db
		636	}
		637
		638	our $DB;
		639
		640	sub db_init {
		641	cf::sync_job {
		642	$DB ||= db_table "db";
		643	};
		644	}
		645
		646	sub db_get($$) {
		647	my $key = "$_[0]/$_[1]";
		648
		649	cf::sync_job {
		650	BDB::db_get $DB, undef, $key, my $data;
		651
		652	$! ? ()
		653	: $data
396	1	654	}
		655	}
		656
		657	sub db_put($$$) {
		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"
397	}	730	}
398		731
399	=item cf::datalog type => key => value, ...	732	=item cf::datalog type => key => value, ...
400		733
401	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.
…		…
413		746
414	#############################################################################	747	#############################################################################
415		748
416	=head2 ATTACHABLE OBJECTS	749	=head2 ATTACHABLE OBJECTS
417		750
418	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
419	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")
420	to it. All such attachable objects support the following methods.	753	to it. All such attachable objects support the following methods.
421		754
422	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>
423	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
424	crossfire+).	757	Deliantra).
425		758
426	=over 4	759	=over 4
427		760
428	=item $attachable->attach ($attachment, key => $value...)	761	=item $attachable->attach ($attachment, key => $value...)
429		762
…		…
473	=item cf::CLASS::attachment $name, ...	806	=item cf::CLASS::attachment $name, ...
474		807
475	Register an attachment by C<$name> through which attachable objects of the	808	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	809	given CLASS can refer to this attachment.
477		810
478	Some classes such as crossfire maps and objects can specify attachments	811	Some classes such as deliantra maps and objects can specify attachments
479	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.
480		813
481	These calls expect any number of the following handler/hook descriptions:	814	These calls expect any number of the following handler/hook descriptions:
482		815
483	=over 4	816	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	925	$registry = $CB_TYPE[$object_type] ||= [];
593		926
594	} elsif ($type eq "subtype") {	927	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	928	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	929	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	930	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		931
599	} elsif ($type eq "package") {	932	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	933	my $pkg = shift @arg;
601		934
602	while (my ($name, $id) = each %cb_id) {	935	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	964	_attach $registry, $klass, @attach;
632	}	965	}
633		966
634	$obj->{$name} = \%arg;	967	$obj->{$name} = \%arg;
635	} else {	968	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	969	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	970	}
638		971
639	$obj->{_attachment}{$name} = undef;	972	$obj->{_attachment}{$name} = undef;
640	}	973	}
641		974
…		…
643	if (ref $_[0]) {	976	if (ref $_[0]) {
644	_object_attach @_;	977	_object_attach @_;
645	} else {	978	} else {
646	_attach shift->_attach_registry, @_;	979	_attach shift->_attach_registry, @_;
647	}	980	}
		981	_recalc_want;
648	};	982	};
649		983
650	# all those should be optimised	984	# all those should be optimised
651	sub cf::attachable::detach {	985	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	986	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	989	delete $obj->{_attachment}{$name};
656	reattach ($obj);	990	reattach ($obj);
657	} else {	991	} else {
658	Carp::croak "cannot, currently, detach class attachments";	992	Carp::croak "cannot, currently, detach class attachments";
659	}	993	}
		994	_recalc_want;
660	};	995	};
661		996
662	sub cf::attachable::attached {	997	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	998	my ($obj, $name) = @_;
664		999
…		…
679	";	1014	";
680	die if $@;	1015	die if $@;
681	}	1016	}
682		1017
683	our $override;	1018	our $override;
684	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?
685		1020
686	sub override {	1021	sub override {
687	$override = 1;	1022	$override = 1;
688	@invoke_results = ();	1023	@INVOKE_RESULTS = (@_);
689	}	1024	}
690		1025
691	sub do_invoke {	1026	sub do_invoke {
692	my $event = shift;	1027	my $event = shift;
693	my $callbacks = shift;	1028	my $callbacks = shift;
694		1029
695	@invoke_results = ();	1030	@INVOKE_RESULTS = ();
696		1031
697	local $override;	1032	local $override;
698		1033
699	for (@$callbacks) {	1034	for (@$callbacks) {
700	eval { &{$_->[1]} };	1035	eval { &{$_->[1]} };
…		…
709	}	1044	}
710		1045
711	0	1046	0
712	}	1047	}
713		1048
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1049	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1050
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1052
718	Generate an object-specific event with the given arguments.	1053	Generate an object-specific event with the given arguments.
719		1054
720	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
721	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
722	results (if you must, access C<@cf::invoke_results> directly).	1057	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1058
724	=back	1059	=back
725		1060
726	=cut	1061	=cut
727		1062
728	#############################################################################	1063	#############################################################################
729	# 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, $ob2
		1106	}
730		1107
731	sub reattach {	1108	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1109	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1110	my ($obj) = @_;
734		1111
		1112	# no longer needed after getting rid of delete_package?
735	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
736		1114
737	my $registry = $obj->registry;	1115	my $registry = $obj->registry;
738		1116
739	@$registry = ();	1117	@$registry = ();
740		1118
…		…
755	cf::attachable->attach (	1133	cf::attachable->attach (
756	prio => -1000000,	1134	prio => -1000000,
757	on_instantiate => sub {	1135	on_instantiate => sub {
758	my ($obj, $data) = @_;	1136	my ($obj, $data) = @_;
759		1137
760	$data = from_json $data;	1138	$data = decode_json $data;
761		1139
762	for (@$data) {	1140	for (@$data) {
763	my ($name, $args) = @$_;	1141	my ($name, $args) = @$_;
764		1142
765	$obj->attach ($name, %{$args || {} });	1143	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1159	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1160	my ($filename, $rdata, $objs) = @_;
783		1161
784	sync_job {	1162	sync_job {
785	if (length $$rdata) {	1163	if (length $$rdata) {
		1164	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1165	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1166	$decname, length $$rdata, scalar @$objs;
788		1167
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1169	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1171	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1172	aio_close $fh;
794		1173
795	if (@$objs) {	1174	if (@$objs) {
796	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) {
797	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1178	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1179	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1180	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1181	aio_rename "$filename.pst~", "$filename.pst";
803	}	1182	}
804	} else {	1183	} else {
805	aio_unlink "$filename.pst";	1184	aio_unlink "$filename.pst";
806	}	1185	}
…		…
811	}	1190	}
812	} else {	1191	} else {
813	aio_unlink $filename;	1192	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1193	aio_unlink "$filename.pst";
815	}	1194	}
816	}	1195	};
817	}	1196	}
818		1197
819	sub object_freezer_as_string {	1198	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1199	my ($rdata, $objs) = @_;
821		1200
…		…
833	or return;	1212	or return;
834		1213
835	unless (aio_stat "$filename.pst") {	1214	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1215	(aio_load "$filename.pst", $av) >= 0
837	or return;	1216	or return;
		1217
838	$av = eval { (Storable::thaw $av)->{objs} };	1218	my $st = eval { Coro::Storable::thaw $av };
		1219	$av = $st->{objs};
839	}	1220	}
840		1221
		1222	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1223	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1224	$decname, length $data, scalar @{$av || []};
		1225
843	return ($data, $av);	1226	($data, $av)
844	}	1227	}
		1228
		1229	=head2 COMMAND CALLBACKS
		1230
		1231	=over 4
		1232
		1233	=cut
845		1234
846	#############################################################################	1235	#############################################################################
847	# command handling &c	1236	# command handling &c
848		1237
849	=item cf::register_command $name => \&callback($ob,$args);	1238	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1251	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1252	}
864		1253
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1254	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1255
867	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.
868		1261
869	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
870	called.	1263	called.
871		1264
		1265	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1266
		1267	Register a callback for execution when the client sends an (asynchronous)
		1268	exticmd packet. Exti commands are processed by the server as soon as they
		1269	are received, i.e. out of order w.r.t. other commands. The first argument
		1270	is a client socket. Exti commands can be received anytime, even before
		1271	log-in.
		1272
		1273	If the callback returns something, it is sent back as if reply was being
		1274	called.
		1275
872	=cut	1276	=cut
873		1277
874	sub register_extcmd {	1278	sub register_extcmd {
875	my ($name, $cb) = @_;	1279	my ($name, $cb) = @_;
876		1280
877	$EXTCMD{$name} = $cb;	1281	$EXTCMD{$name} = $cb;
		1282	}
		1283
		1284	sub register_exticmd {
		1285	my ($name, $cb) = @_;
		1286
		1287	$EXTICMD{$name} = $cb;
878	}	1288	}
879		1289
880	cf::player->attach (	1290	cf::player->attach (
881	on_command => sub {	1291	on_command => sub {
882	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1301	cf::override;
892	},	1302	},
893	on_extcmd => sub {	1303	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
895		1305
896	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1307
898	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
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
904	} else {	1323	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1325	}
907		1326
908	cf::override;	1327	cf::override;
909	},	1328	},
910	);	1329	);
911		1330
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1331	sub load_extensions {
		1332	cf::sync_job {
		1333	my %todo;
		1334
947	for my $ext (<$LIBDIR/*.ext>) {	1335	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1336	next unless -r $path;
949	eval {	1337
950	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	$progress = 1;
951	1	1394	}
952	} or warn "$ext not loaded: $@";	1395
		1396	skip:
		1397	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1398	unless $progress;
		1399	}
953	}	1400	};
954	}	1401	}
955		1402
956	#############################################################################	1403	#############################################################################
957		1404
		1405	=back
		1406
958	=head2 CORE EXTENSIONS	1407	=head2 CORE EXTENSIONS
959		1408
960	Functions and methods that extend core crossfire objects.	1409	Functions and methods that extend core deliantra objects.
961		1410
962	=cut	1411	=cut
963		1412
964	package cf::player;	1413	package cf::player;
965		1414
966	use Coro::AIO;	1415	use Coro::AIO;
967		1416
968	=head3 cf::player	1417	=head3 cf::player
969		1418
970	=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	}
971		1434
972	=item cf::player::find $login	1435	=item cf::player::find $login
973		1436
974	Returns the given player object, loading it if necessary (might block).	1437	Returns the given player object, loading it if necessary (might block).
975		1438
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1474	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1475	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1476	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1477	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1478
1016	my $pl = load_pl path $login	1479	my $f = new_from_file cf::object::thawer path $login
1017	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;
1018	$cf::PLAYER{$login} = $pl	1487	$cf::PLAYER{$login} = $pl
1019	}	1488	}
1020	}	1489	}
1021	}	1490	}
1022		1491
…		…
1031	return if $pl->{deny_save};	1500	return if $pl->{deny_save};
1032		1501
1033	aio_mkdir playerdir $pl, 0770;	1502	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1503	$pl->{last_save} = $cf::RUNTIME;
1035		1504
		1505	cf::get_slot 0.01;
		1506
1036	$pl->save_pl ($path);	1507	$pl->save_pl ($path);
1037	Coro::cede;	1508	cf::cede_to_tick;
1038	}	1509	}
1039		1510
1040	sub new($) {	1511	sub new($) {
1041	my ($login) = @_;	1512	my ($login) = @_;
1042		1513
…		…
1048	$cf::PLAYER{$login} = $self;	1519	$cf::PLAYER{$login} = $self;
1049		1520
1050	$self	1521	$self
1051	}	1522	}
1052		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
1053	=item $pl->quit_character	1534	=item $pl->quit_character
1054		1535
1055	Nukes the player without looking back. If logged in, the connection will	1536	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1537	be destroyed. May block for a long time.
1057		1538
…		…
1061	my ($pl) = @_;	1542	my ($pl) = @_;
1062		1543
1063	my $name = $pl->ob->name;	1544	my $name = $pl->ob->name;
1064		1545
1065	$pl->{deny_save} = 1;	1546	$pl->{deny_save} = 1;
1066	$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
1067		1548
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1550	$pl->deactivate;
		1551	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1552	$pl->ob->check_score;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1554	$pl->ns->destroy if $pl->ns;
1072		1555
1073	my $path = playerdir $pl;	1556	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1557	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1593	or return [];
1111		1594
1112	my @logins;	1595	my @logins;
1113		1596
1114	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") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1603	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1604	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1605	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1606	}
1118		1607
1119	utf8::decode $login;	1608	utf8::decode $login;
1120	push @logins, $login;	1609	push @logins, $login;
1121	}	1610	}
1122		1611
…		…
1149	}	1638	}
1150		1639
1151	\@paths	1640	\@paths
1152	}	1641	}
1153		1642
		1643	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1644
		1645	Expand deliantra pod fragments into protocol xml.
		1646
1154	=item $player->ext_reply ($msgid, %msg)	1647	=item $player->ext_reply ($msgid, @msg)
1155		1648
1156	Sends an ext reply to the player.	1649	Sends an ext reply to the player.
1157		1650
1158	=cut	1651	=cut
1159		1652
1160	sub ext_reply($$%) {	1653	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1654	my ($self, $id, @msg) = @_;
1162		1655
1163	$msg{msgid} = $id;	1656	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1657	}
1167		1658
1168	=item $player->ext_event ($type, %msg)	1659	=item $player->ext_msg ($type, @msg)
1169		1660
1170	Sends an ext event to the client.	1661	Sends an ext event to the client.
1171		1662
1172	=cut	1663	=cut
1173		1664
1174	sub ext_event($$%) {	1665	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1666	my ($self, $type, @msg) = @_;
1176		1667
1177	$self->ns->ext_event ($type, %msg);	1668	$self->ns->ext_msg ($type, @msg);
1178	}	1669	}
1179		1670
1180	=head3 cf::region	1671	=head3 cf::region
1181		1672
1182	=over 4	1673	=over 4
…		…
1185		1676
1186	package cf::region;	1677	package cf::region;
1187		1678
1188	=item cf::region::find_by_path $path	1679	=item cf::region::find_by_path $path
1189		1680
1190	Tries to decuce the probable region for a map knowing only its path.	1681	Tries to decuce the likely region for a map knowing only its path.
1191		1682
1192	=cut	1683	=cut
1193		1684
1194	sub find_by_path($) {	1685	sub find_by_path($) {
1195	my ($path) = @_;	1686	my ($path) = @_;
1196		1687
1197	my ($match, $specificity);	1688	my ($match, $specificity);
1198		1689
1199	for my $region (list) {	1690	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1691	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1692	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1693	if $region->specificity > $specificity;
1203	}	1694	}
1204	}	1695	}
1205		1696
…		…
1226	our $MAX_RESET = 3600;	1717	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1718	our $DEFAULT_RESET = 3000;
1228		1719
1229	sub generate_random_map {	1720	sub generate_random_map {
1230	my ($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
1231	# mit "rum" bekleckern, nicht	1725	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1726	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1269	my ($self, $merge) = @_;	1763	my ($self, $merge) = @_;
1270		1764
1271	# we have to keep some variables in memory intact	1765	# we have to keep some variables in memory intact
1272	local $self->{path};	1766	local $self->{path};
1273	local $self->{load_path};	1767	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1768
1277	$self->SUPER::thawer_merge ($merge);	1769	$self->SUPER::thawer_merge ($merge);
1278	}	1770	}
1279		1771
1280	sub normalise {	1772	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1819	$self->init; # pass $1 etc.
1328	return $self;	1820	return $self;
1329	}	1821	}
1330	}	1822	}
1331		1823
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1824	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1825	()
1334	}	1826	}
1335		1827
1336	sub init {	1828	sub init {
1337	my ($self) = @_;	1829	my ($self) = @_;
…		…
1359		1851
1360	# the temporary/swap location	1852	# the temporary/swap location
1361	sub save_path {	1853	sub save_path {
1362	my ($self) = @_;	1854	my ($self) = @_;
1363		1855
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1856	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1857	"$TMPDIR/$path.map"
1366	}	1858	}
1367		1859
1368	# the unique path, undef == no special unique path	1860	# the unique path, undef == no special unique path
1369	sub uniq_path {	1861	sub uniq_path {
1370	my ($self) = @_;	1862	my ($self) = @_;
1371		1863
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1865	"$UNIQUEDIR/$path"
1374	}	1866	}
1375		1867
1376	# and all this just because we cannot iterate over	1868	# and all this just because we cannot iterate over
1377	# all maps in C++...	1869	# all maps in C++...
…		…
1380		1872
1381	$_->change_map_light ($change)	1873	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1874	for grep $_->outdoor, values %cf::MAP;
1383	}	1875	}
1384		1876
		1877	sub decay_objects {
		1878	my ($self) = @_;
		1879
		1880	return if $self->{deny_reset};
		1881
		1882	$self->do_decay_objects;
		1883	}
		1884
1385	sub unlink_save {	1885	sub unlink_save {
1386	my ($self) = @_;	1886	my ($self) = @_;
1387		1887
1388	utf8::encode (my $save = $self->save_path);	1888	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1889	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1892
1393	sub load_header_from($) {	1893	sub load_header_from($) {
1394	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1395		1895
1396	utf8::encode $path;	1896	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	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;
1402		1905
1403	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1404		1907
1405	1	1908	1
1406	}	1909	}
…		…
1445	$self->load_header_orig	1948	$self->load_header_orig
1446	or return;	1949	or return;
1447	$self->prepare_orig;	1950	$self->prepare_orig;
1448	}	1951	}
1449		1952
		1953	$self->{deny_reset} = 1
		1954	if $self->no_reset;
		1955
1450	$self->default_region (cf::region::find_by_path $self->{path})	1956	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1957	unless $self->default_region;
1452		1958
1453	1	1959	1
1454	}	1960	}
…		…
1457	sub find {	1963	sub find {
1458	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1459		1965
1460	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1461		1967
		1968	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1969	cf::lock_wait "map_find:$path";
1463		1970
1464	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
		1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1465	my $guard = cf::lock_acquire "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
		1974
1466	my $map = new_from_path cf::map $path	1975	my $map = new_from_path cf::map $path
1467	or return;	1976	or return;
1468		1977
1469	$map->{last_save} = $cf::RUNTIME;	1978	$map->{last_save} = $cf::RUNTIME;
1470		1979
1471	$map->load_header	1980	$map->load_header
1472	or return;	1981	or return;
1473		1982
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1983	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1984	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1985	#$cf::WAIT_FOR_TICK->wait;
		1986	undef $guard2;
		1987	undef $guard1;
1477	$map->reset;	1988	$map->reset;
1478	undef $guard;
1479	return find $path;	1989	return find $path;
1480	}	1990	}
1481		1991
1482	$cf::MAP{$path} = $map	1992	$cf::MAP{$path} = $map
1483	}	1993	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	2002	local $self->{deny_reset} = 1; # loading can take a long time
1493		2003
1494	my $path = $self->{path};	2004	my $path = $self->{path};
1495		2005
1496	{	2006	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2007	my $guard = cf::lock_acquire "map_data:$path";
1498		2008
		2009	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2010	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		2011
1501	$self->in_memory (cf::MAP_LOADING);	2012	$self->in_memory (cf::MAP_LOADING);
1502		2013
1503	$self->alloc;	2014	$self->alloc;
1504		2015
1505	$self->pre_load;	2016	$self->pre_load;
1506	Coro::cede;	2017	cf::cede_to_tick;
1507		2018
		2019	my $f = new_from_file cf::object::thawer $self->{load_path};
		2020	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	2021	$self->_load_objects ($f)
1509	or return;	2022	or return;
1510		2023
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2024	$self->post_load_original
1512	if delete $self->{load_original};	2025	if delete $self->{load_original};
1513		2026
1514	if (my $uniq = $self->uniq_path) {	2027	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2028	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2029	unless (aio_stat $uniq) {
		2030	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2031	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2032	$self->_load_objects ($f);
		2033	$f->resolve_delayed_derefs;
		2034	}
1519	}	2035	}
1520	}	2036	}
1521		2037
1522	Coro::cede;	2038	$f->resolve_delayed_derefs;
		2039
		2040	cf::cede_to_tick;
1523	# now do the right thing for maps	2041	# now do the right thing for maps
1524	$self->link_multipart_objects;	2042	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2043	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2044	unless $self->difficulty;
1527	Coro::cede;	2045	cf::cede_to_tick;
1528		2046
1529	unless ($self->{deny_activate}) {	2047	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2048	$self->decay_objects;
1531	$self->fix_auto_apply;	2049	$self->fix_auto_apply;
1532	$self->update_buttons;	2050	$self->update_buttons;
1533	Coro::cede;	2051	cf::cede_to_tick;
1534	$self->set_darkness_map;	2052	$self->set_darkness_map;
1535	Coro::cede;	2053	cf::cede_to_tick;
1536	$self->activate;	2054	$self->activate;
1537	}	2055	}
1538		2056
		2057	$self->{last_save} = $cf::RUNTIME;
		2058	$self->last_access ($cf::RUNTIME);
		2059
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2060	$self->in_memory (cf::MAP_ACTIVE);
1540	}	2061	}
1541		2062
1542	$self->post_load;	2063	$self->post_load;
1543	}	2064	}
1544		2065
…		…
1546	my ($self, $ob) = @_;	2067	my ($self, $ob) = @_;
1547		2068
1548	return find "~" . $ob->name . "/" . $self->{path}	2069	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2070	if $self->per_player;
1550		2071
		2072	# return find "?party/" . $ob->name . "/" . $self->{path}
		2073	# if $self->per_party;
		2074
1551	$self	2075	$self
1552	}	2076	}
1553		2077
1554	# find and load all maps in the 3x3 area around a map	2078	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	2079	sub load_neighbours {
1556	my ($map) = @_;	2080	my ($map) = @_;
1557		2081
1558	my @diag; # diagonal neighbours	2082	my @neigh; # diagonal neighbours
1559		2083
1560	for (0 .. 3) {	2084	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2085	my $neigh = $map->tile_path ($_)
1562	or next;	2086	or next;
1563	$neigh = find $neigh, $map	2087	$neigh = find $neigh, $map
1564	or next;	2088	or next;
1565	$neigh->load;	2089	$neigh->load;
1566		2090
		2091	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2092	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2093	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2094	}
1570		2095
1571	for (@diag) {	2096	for (grep defined $_->[0], @neigh) {
		2097	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2098	my $neigh = find $path, $origin
1573	or next;	2099	or next;
1574	$neigh->load;	2100	$neigh->load;
1575	}	2101	}
1576	}	2102	}
1577		2103
…		…
1582	}	2108	}
1583		2109
1584	sub do_load_sync {	2110	sub do_load_sync {
1585	my ($map) = @_;	2111	my ($map) = @_;
1586		2112
		2113	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2114	if $Coro::current == $Coro::main;
		2115
1587	cf::sync_job { $map->load };	2116	cf::sync_job { $map->load };
1588	}	2117	}
1589		2118
1590	our %MAP_PREFETCH;	2119	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2120	our $MAP_PREFETCHER = undef;
1592		2121
1593	sub find_async {	2122	sub find_async {
1594	my ($path, $origin) = @_;	2123	my ($path, $origin, $load) = @_;
1595		2124
1596	$path = normalise $path, $origin && $origin->{path};	2125	$path = normalise $path, $origin && $origin->{path};
1597		2126
1598	if (my $map = $cf::MAP{$path}) {	2127	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600	}	2129	}
1601		2130
1602	undef $MAP_PREFETCH{$path};	2131	$MAP_PREFETCH{$path} |= $load;
		2132
1603	$MAP_PREFETCHER ||= cf::async {	2133	$MAP_PREFETCHER ||= cf::async {
		2134	$Coro::current->{desc} = "map prefetcher";
		2135
1604	while (%MAP_PREFETCH) {	2136	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2137	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2138	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2139	$map->load if $v;
		2140	}
1609		2141
1610	delete $MAP_PREFETCH{$path};	2142	delete $MAP_PREFETCH{$k};
1611	}	2143	}
1612	}	2144	}
1613	undef $MAP_PREFETCHER;	2145	undef $MAP_PREFETCHER;
1614	};	2146	};
1615	$MAP_PREFETCHER->prio (6);	2147	$MAP_PREFETCHER->prio (6);
…		…
1618	}	2150	}
1619		2151
1620	sub save {	2152	sub save {
1621	my ($self) = @_;	2153	my ($self) = @_;
1622		2154
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;	2155	my $lock = cf::lock_acquire "map_data:$self->{path}";
1624		2156
1625	$self->{last_save} = $cf::RUNTIME;	2157	$self->{last_save} = $cf::RUNTIME;
1626		2158
1627	return unless $self->dirty;	2159	return unless $self->dirty;
1628		2160
…		…
1634	return if $self->{deny_save};	2166	return if $self->{deny_save};
1635		2167
1636	local $self->{last_access} = $self->last_access;#d#	2168	local $self->{last_access} = $self->last_access;#d#
1637		2169
1638	cf::async {	2170	cf::async {
		2171	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2172	$_->contr->save for $self->players;
1640	};	2173	};
		2174
		2175	cf::get_slot 0.02;
1641		2176
1642	if ($uniq) {	2177	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2178	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2179	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1645	} else {	2180	} else {
…		…
1651	my ($self) = @_;	2186	my ($self) = @_;
1652		2187
1653	# save first because save cedes	2188	# save first because save cedes
1654	$self->save;	2189	$self->save;
1655		2190
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2191	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2192
1658	return if $self->players;	2193	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;	2194	return if $self->in_memory != cf::MAP_ACTIVE;
1660	return if $self->{deny_save};	2195	return if $self->{deny_save};
1661		2196
		2197	$self->in_memory (cf::MAP_SWAPPED);
		2198
		2199	$self->deactivate;
		2200	$_->clear_links_to ($self) for values %cf::MAP;
1662	$self->clear;	2201	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2202	}
1665		2203
1666	sub reset_at {	2204	sub reset_at {
1667	my ($self) = @_;	2205	my ($self) = @_;
1668		2206
1669	# TODO: safety, remove and allow resettable per-player maps	2207	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2208	return 1e99 if $self->{deny_reset};
1672		2209
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2210	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2211	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2212
…		…
1686	my ($self) = @_;	2223	my ($self) = @_;
1687		2224
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2226
1690	return if $self->players;	2227	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2228
1693	warn "resetting map ", $self->path;#d#	2229	warn "resetting map ", $self->path;
1694		2230
1695	$self->in_memory (cf::MAP_SWAPPED);	2231	$self->in_memory (cf::MAP_SWAPPED);
1696		2232
1697	# need to save uniques path	2233	# need to save uniques path
1698	unless ($self->{deny_save}) {	2234	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2238	if $uniq;
1703	}	2239	}
1704		2240
1705	delete $cf::MAP{$self->path};	2241	delete $cf::MAP{$self->path};
1706		2242
		2243	$self->deactivate;
		2244	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2245	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2246
1711	$self->unlink_save;	2247	$self->unlink_save;
1712	$self->destroy;	2248	$self->destroy;
1713	}	2249	}
1714		2250
1715	my $nuke_counter = "aaaa";	2251	my $nuke_counter = "aaaa";
1716		2252
1717	sub nuke {	2253	sub nuke {
1718	my ($self) = @_;	2254	my ($self) = @_;
1719		2255
		2256	{
		2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2258
1720	delete $cf::MAP{$self->path};	2259	delete $cf::MAP{$self->path};
1721		2260
1722	$self->unlink_save;	2261	$self->unlink_save;
1723		2262
1724	bless $self, "cf::map";	2263	bless $self, "cf::map";
1725	delete $self->{deny_reset};	2264	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2265	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2266	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2267	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2268
1730	$cf::MAP{$self->path} = $self;	2269	$cf::MAP{$self->path} = $self;
		2270	}
1731		2271
1732	$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	]
1733	}	2309	}
1734		2310
1735	=item cf::map::unique_maps	2311	=item cf::map::unique_maps
1736		2312
1737	Returns an arrayref of paths of all shared maps that have	2313	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2314	instantiated unique items. May block.
1739		2315
1740	=cut	2316	=cut
1741		2317
1742	sub unique_maps() {	2318	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2319	[
1744	or return;	2320	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2321	utf8::decode $_;
1750	next if /\.pst$/;	2322	s/\.map$//; # TODO future compatibility hack
1751	next unless /^$PATH_SEP/o;	2323	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752		2324	? ()
1753	push @paths, cf::map::normalise $_;	2325	: normalise $_
		2326	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2327	]
1755
1756	\@paths
1757	}	2328	}
1758
1759	package cf;
1760		2329
1761	=back	2330	=back
1762		2331
1763	=head3 cf::object	2332	=head3 cf::object
1764		2333
…		…
1768		2337
1769	=over 4	2338	=over 4
1770		2339
1771	=item $ob->inv_recursive	2340	=item $ob->inv_recursive
1772		2341
1773	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.
1774		2344
1775	=cut	2345	=cut
1776		2346
1777	sub inv_recursive_;	2347	sub inv_recursive_;
1778	sub inv_recursive_ {	2348	sub inv_recursive_ {
…		…
1781		2351
1782	sub inv_recursive {	2352	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2353	inv_recursive_ inv $_[0]
1784	}	2354	}
1785		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
1786	package cf;	2384	package cf;
1787		2385
1788	=back	2386	=back
1789		2387
1790	=head3 cf::object::player	2388	=head3 cf::object::player
…		…
1796	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>
1797	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
1798	dialogue with the given NPC character.	2396	dialogue with the given NPC character.
1799		2397
1800	=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	};
1801		2413
1802	# rough implementation of a future "reply" method that works	2414	# rough implementation of a future "reply" method that works
1803	# with dialog boxes.	2415	# with dialog boxes.
1804	#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
1805	sub cf::object::player::reply($$$;$) {	2417	sub cf::object::player::reply($$$;$) {
…		…
1807		2419
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2421
1810	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1812	} 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 {
1813	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2434	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2435	}
1815	}	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 (@_);
1816	}	2447	}
1817		2448
1818	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1819		2450
1820	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1833		2464
1834	=item $player_object->enter_link	2465	=item $player_object->enter_link
1835		2466
1836	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}>).
1837		2468
1838	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.
1839	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.
1840		2473
1841	Will never block.	2474	Will never block.
1842		2475
1843	=item $player_object->leave_link ($map, $x, $y)	2476	=item $player_object->leave_link ($map, $x, $y)
1844		2477
…		…
1862	}	2495	}
1863		2496
1864	sub cf::object::player::enter_link {	2497	sub cf::object::player::enter_link {
1865	my ($self) = @_;	2498	my ($self) = @_;
1866		2499
		2500	$self->deactivate_recursive;
		2501
1867	return if UNIVERSAL::isa $self->map, "ext::map_link";	2502	return if UNIVERSAL::isa $self->map, "ext::map_link";
1868		2503
1869	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2504	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1870	if $self->map;	2505	if $self->map && $self->map->{path} ne "{link}";
1871		2506
1872	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2507	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1873	}	2508	}
1874		2509
1875	sub cf::object::player::leave_link {	2510	sub cf::object::player::leave_link {
1876	my ($self, $map, $x, $y) = @_;	2511	my ($self, $map, $x, $y) = @_;
		2512
		2513	return unless $self->contr->active;
1877		2514
1878	my $link_pos = delete $self->{_link_pos};	2515	my $link_pos = delete $self->{_link_pos};
1879		2516
1880	unless ($map) {	2517	unless ($map) {
1881	# restore original map position	2518	# restore original map position
…		…
1895	# use -1 or undef as default coordinates, not 0, 0	2532	# use -1 or undef as default coordinates, not 0, 0
1896	($x, $y) = ($map->enter_x, $map->enter_y)	2533	($x, $y) = ($map->enter_x, $map->enter_y)
1897	if $x <=0 && $y <= 0;	2534	if $x <=0 && $y <= 0;
1898		2535
1899	$map->load;	2536	$map->load;
1900	$map->load_diag;	2537	$map->load_neighbours;
1901		2538
1902	return unless $self->contr->active;	2539	return unless $self->contr->active;
		2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1903	$self->activate_recursive;	2541	$self->activate_recursive;
1904		2542
1905	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1906	$self->enter_map ($map, $x, $y);	2544	$self->enter_map ($map, $x, $y);
1907	}	2545	}
1908		2546
1909	cf::player->attach (	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1910	on_logout => sub {
1911	my ($pl) = @_;
1912		2548
1913	# abort map switching before logout	2549	Moves the player to the given map-path and coordinates by first freezing
1914	if ($pl->ob->{_link_pos}) {	2550	her, loading and preparing them map, calling the provided $check callback
1915	cf::sync_job {	2551	that has to return the map if sucecssful, and then unfreezes the player on
1916	$pl->ob->leave_link	2552	the new (success) or old (failed) map position. In either case, $done will
1917	};	2553	be called at the end of this process.
1918	}
1919	},
1920	on_login => sub {
1921	my ($pl) = @_;
1922		2554
1923	# try to abort aborted map switching on player login :)	2555	Note that $check will be called with a potentially non-loaded map, so if
1924	# should happen only on crashes	2556	it needs a loaded map it has to call C<< ->load >>.
1925	if ($pl->ob->{_link_pos}) {
1926	$pl->ob->enter_link;
1927	(async {
1928	$pl->ob->reply (undef,
1929	"There was an internal problem at your last logout, "
1930	. "the server will try to bring you to your intended destination in a second.",
1931	cf::NDI_RED);
1932	# we need this sleep as the login has a concurrent enter_exit running
1933	# and this sleep increases chances of the player not ending up in scorn
1934	Coro::Timer::sleep 1;
1935	$pl->ob->leave_link;
1936	})->prio (2);
1937	}
1938	},
1939	);
1940		2557
1941	=item $player_object->goto ($path, $x, $y)
1942
1943	=cut	2558	=cut
		2559
		2560	our $GOTOGEN;
1944		2561
1945	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
1946	my ($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;
1947		2567
1948	$self->enter_link;	2568	$self->enter_link;
1949		2569
1950	(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
1951	my $map = eval {	2592	my $map = eval {
1952	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
		2594
		2595	if ($map) {
1953	$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
1954	$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 $@;
1955	} or	2608	}
1956	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1957		2609
		2610	if ($gen == $self->{_goto_generation}) {
		2611	delete $self->{_goto_generation};
1958	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
		2613	}
		2614
		2615	$done->() if $done;
1959	})->prio (1);	2616	})->prio (1);
1960	}	2617	}
1961		2618
1962	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
1963		2620
…		…
1983	}	2640	}
1984		2641
1985	sub prepare_random_map {	2642	sub prepare_random_map {
1986	my ($exit) = @_;	2643	my ($exit) = @_;
1987		2644
1988	my $guard = cf::lock_acquire "exit_prepare:$exit";
1989
1990	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
1991	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
1992	# that depends on the exit object	2647	# that depends on the exit object
1993		2648
1994	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
1996	if ($exit->map) {	2651	if ($exit->map) {
1997	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
1998	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
1999	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
2000	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
2001	}	2658	}
2002		2659
2003	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
2004		2661
2005	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2006	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
2007	my $meta = "$RANDOMDIR/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
2008		2665
2009	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2010	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
2011	undef $fh;	2668	undef $fh;
2012	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
2013		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
2014	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
2015	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
2016	}	2677	}
2017	}	2678	}
2018		2679
2019	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
2020	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
2021		2682
2022	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
2023		2684
2024	if ($exit->slaying eq "/!") {
2025	#TODO: this should de-fi-ni-te-ly not be a sync-job
2026	# the problem is that $exit might not survive long enough
2027	# so it needs to be done right now, right here
2028	cf::sync_job { prepare_random_map $exit };
2029	}
2030
2031	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2032	my $hp = $exit->stats->hp;
2033	my $sp = $exit->stats->sp;
2034
2035	$self->enter_link;	2685	$self->enter_link;
2036		2686
2037	(async {	2687	(async {
2038	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
2039	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
2040	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
2041		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
2042	1;	2711	1
2043	}) {	2712	}) {
2044	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
2045	. "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. "
2046	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
2047	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
2048		2717
2049	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
…		…
2068		2737
2069	utf8::encode $text;	2738	utf8::encode $text;
2070	$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);
2071	}	2740	}
2072		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
2073	=item $client->ext_event ($type, %msg)	2887	=item $client->ext_msg ($type, @msg)
2074		2888
2075	Sends an exti event to the client.	2889	Sends an ext event to the client.
2076		2890
2077	=cut	2891	=cut
2078		2892
2079	sub cf::client::ext_event($$%) {	2893	sub cf::client::ext_msg($$@) {
2080	my ($self, $type, %msg) = @_;	2894	my ($self, $type, @msg) = @_;
2081		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2898	} elsif ($self->extcmd == 1) { # TODO: remove
2082	$msg{msgtype} = "event_$type";	2899	push @msg, msgtype => "event_$type";
2083	$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	}
2084	}	2920	}
2085		2921
2086	=item $success = $client->query ($flags, "text", \&cb)	2922	=item $success = $client->query ($flags, "text", \&cb)
2087		2923
2088	Queues a query to the client, calling the given callback with	2924	Queues a query to the client, calling the given callback with
2089	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>,
2090	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>.
2091		2927
2092	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
2093	reliable at some point in the future.	2929	become reliable at some point in the future.
2094		2930
2095	=cut	2931	=cut
2096		2932
2097	sub cf::client::query {	2933	sub cf::client::query {
2098	my ($self, $flags, $text, $cb) = @_;	2934	my ($self, $flags, $text, $cb) = @_;
…		…
2106	utf8::encode $text;	2942	utf8::encode $text;
2107	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2943	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2108		2944
2109	$self->send_packet ($self->{query_queue}[0][0])	2945	$self->send_packet ($self->{query_queue}[0][0])
2110	if @{ $self->{query_queue} } == 1;	2946	if @{ $self->{query_queue} } == 1;
		2947
		2948	1
2111	}	2949	}
2112		2950
2113	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	},
2114	on_reply => sub {	2957	on_reply => sub {
2115	my ($ns, $msg) = @_;	2958	my ($ns, $msg) = @_;
2116		2959
2117	# this weird shuffling is so that direct followup queries	2960	# this weird shuffling is so that direct followup queries
2118	# get handled first	2961	# get handled first
…		…
2130	} else {	2973	} else {
2131	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2132	}	2975	}
2133	}	2976	}
2134	},	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	},
2135	);	3004	);
2136		3005
2137	=item $client->async (\&cb)	3006	=item $client->async (\&cb)
2138		3007
2139	Create a new coroutine, running the specified callback. The coroutine will	3008	Create a new coroutine, running the specified callback. The coroutine will
…		…
2180	our $safe = new Safe "safe";	3049	our $safe = new Safe "safe";
2181	our $safe_hole = new Safe::Hole;	3050	our $safe_hole = new Safe::Hole;
2182		3051
2183	$SIG{FPE} = 'IGNORE';	3052	$SIG{FPE} = 'IGNORE';
2184		3053
2185	$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	));
2186		3059
2187	# here we export the classes and methods available to script code	3060	# here we export the classes and methods available to script code
2188		3061
2189	=pod	3062	=pod
2190		3063
2191	The following functions and methods are available within a safe environment:	3064	The following functions and methods are available within a safe environment:
2192		3065
2193	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
2194	cf::object::player player	3070	cf::object::player
2195	cf::player peaceful	3071	player
2196	cf::map trigger	3072
		3073	cf::player
		3074	peaceful
		3075
		3076	cf::map
		3077	trigger
2197		3078
2198	=cut	3079	=cut
2199		3080
2200	for (	3081	for (
2201	["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)],
2202	["cf::object::player" => qw(player)],	3085	["cf::object::player" => qw(player)],
2203	["cf::player" => qw(peaceful)],	3086	["cf::player" => qw(peaceful)],
2204	["cf::map" => qw(trigger)],	3087	["cf::map" => qw(trigger)],
2205	) {	3088	) {
2206	no strict 'refs';	3089	no strict 'refs';
…		…
2277	=back	3160	=back
2278		3161
2279	=cut	3162	=cut
2280		3163
2281	#############################################################################	3164	#############################################################################
2282
2283	=head2 EXTENSION DATABASE SUPPORT
2284
2285	Crossfire maintains a very simple database for extension use. It can
2286	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2287	convert to/from binary).
2288
2289	The parameter C<$family> should best start with the name of the extension
2290	using it, it should be unique.
2291
2292	=over 4
2293
2294	=item $value = cf::db_get $family => $key
2295
2296	Returns a single value from the database.
2297
2298	=item cf::db_put $family => $key => $value
2299
2300	Stores the given C<$value> in the family.
2301
2302	=cut
2303
2304	our $DB;
2305
2306	sub db_init {
2307	unless ($DB) {
2308	$DB = BDB::db_create $DB_ENV;
2309
2310	cf::sync_job {
2311	eval {
2312	$DB->set_flags (BDB::CHKSUM);
2313
2314	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2315	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2316	cf::cleanup "db_open(db): $!" if $!;
2317	};
2318	cf::cleanup "db_open(db): $@" if $@;
2319	};
2320	}
2321	}
2322
2323	sub db_get($$) {
2324	my $key = "$_[0]/$_[1]";
2325
2326	cf::sync_job {
2327	BDB::db_get $DB, undef, $key, my $data;
2328
2329	$! ? ()
2330	: $data
2331	}
2332	}
2333
2334	sub db_put($$$) {
2335	BDB::dbreq_pri 4;
2336	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2337	}
2338
2339	=item cf::cache $id => [$paths...], $processversion => $process
2340
2341	Generic caching function that returns the value of the resource $id,
2342	caching and regenerating as required.
2343
2344	This function can block.
2345
2346	=cut
2347
2348	sub cache {
2349	my ($id, $src, $processversion, $process) = @_;
2350
2351	my $meta =
2352	join "\x00",
2353	$processversion,
2354	map {
2355	aio_stat $_
2356	and Carp::croak "$_: $!";
2357
2358	($_, (stat _)[7,9])
2359	} @$src;
2360
2361	my $dbmeta = db_get cache => "$id/meta";
2362	if ($dbmeta ne $meta) {
2363	# changed, we may need to process
2364
2365	my @data;
2366	my $md5;
2367
2368	for (0 .. $#$src) {
2369	0 <= aio_load $src->[$_], $data[$_]
2370	or Carp::croak "$src->[$_]: $!";
2371	}
2372
2373	# if processing is expensive, check
2374	# checksum first
2375	if (1) {
2376	$md5 =
2377	join "\x00",
2378	$processversion,
2379	map {
2380	Coro::cede;
2381	($src->[$_], Digest::MD5::md5_hex $data[$_])
2382	} 0.. $#$src;
2383
2384
2385	my $dbmd5 = db_get cache => "$id/md5";
2386	if ($dbmd5 eq $md5) {
2387	db_put cache => "$id/meta", $meta;
2388
2389	return db_get cache => "$id/data";
2390	}
2391	}
2392
2393	my $t1 = Time::HiRes::time;
2394	my $data = $process->(\@data);
2395	my $t2 = Time::HiRes::time;
2396
2397	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2398
2399	db_put cache => "$id/data", $data;
2400	db_put cache => "$id/md5" , $md5;
2401	db_put cache => "$id/meta", $meta;
2402
2403	return $data;
2404	}
2405
2406	db_get cache => "$id/data"
2407	}
2408
2409	=item fork_call { }, $args
2410
2411	Executes the given code block with the given arguments in a seperate
2412	process, returning the results. Everything must be serialisable with
2413	Coro::Storable. May, of course, block. Note that the executed sub may
2414	never block itself or use any form of Event handling.
2415
2416	=cut
2417
2418	sub fork_call(&@) {
2419	my ($cb, @args) = @_;
2420
2421	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2422	# or die "socketpair: $!";
2423	pipe my $fh1, my $fh2
2424	or die "pipe: $!";
2425
2426	if (my $pid = fork) {
2427	close $fh2;
2428
2429	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2430	$res = Coro::Storable::thaw $res;
2431
2432	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2433
2434	die $$res unless "ARRAY" eq ref $res;
2435
2436	return wantarray ? @$res : $res->[-1];
2437	} else {
2438	local $SIG{__WARN__};
2439	eval {
2440	local $SIG{__DIE__};
2441	close $fh1;
2442
2443	my @res = eval { $cb->(@args) };
2444	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2445	};
2446
2447	warn $@ if $@;
2448	_exit 0;
2449	}
2450	}
2451
2452
2453
2454	#############################################################################
2455	# the server's init and main functions	3165	# the server's init and main functions
2456		3166
2457	sub load_facedata($) {	3167	sub load_facedata($) {
2458	my ($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;
2459		3175
2460	warn "loading facedata from $path\n";	3176	warn "loading facedata from $path\n";
2461		3177
2462	my $facedata;	3178	my $facedata;
2463	0 < aio_load $path, $facedata	3179	0 < aio_load $path, $facedata
…		…
2466	$facedata = Coro::Storable::thaw $facedata;	3182	$facedata = Coro::Storable::thaw $facedata;
2467		3183
2468	$facedata->{version} == 2	3184	$facedata->{version} == 2
2469	or cf::cleanup "$path: version mismatch, cannot proceed.";	3185	or cf::cleanup "$path: version mismatch, cannot proceed.";
2470		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
2471	{	3194	{
2472	my $faces = $facedata->{faceinfo};	3195	my $faces = $facedata->{faceinfo};
2473		3196
2474	while (my ($face, $info) = each %$faces) {	3197	while (my ($face, $info) = each %$faces) {
2475	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3199
2476	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3200	cf::face::set_visibility $idx, $info->{visibility};
		3201	cf::face::set_magicmap $idx, $info->{magicmap};
2477	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3202	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2478	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3203	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2479	Coro::cede;	3204
		3205	cf::cede_to_tick;
2480	}	3206	}
2481		3207
2482	while (my ($face, $info) = each %$faces) {	3208	while (my ($face, $info) = each %$faces) {
2483	next unless $info->{smooth};	3209	next unless $info->{smooth};
		3210
2484	my $idx = cf::face::find $face	3211	my $idx = cf::face::find $face
2485	or next;	3212	or next;
		3213
2486	if (my $smooth = cf::face::find $info->{smooth}) {	3214	if (my $smooth = cf::face::find $info->{smooth}) {
		3215	cf::face::set_smooth $idx, $smooth;
2487	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2488	} else {	3217	} else {
2489	warn "smooth face '$info->{smooth}' not found for face '$face'";	3218	warn "smooth face '$info->{smooth}' not found for face '$face'";
2490	}	3219	}
2491	Coro::cede;	3220
		3221	cf::cede_to_tick;
2492	}	3222	}
2493	}	3223	}
2494		3224
2495	{	3225	{
2496	my $anims = $facedata->{animinfo};	3226	my $anims = $facedata->{animinfo};
2497		3227
2498	while (my ($anim, $info) = each %$anims) {	3228	while (my ($anim, $info) = each %$anims) {
2499	cf::anim::set $anim, $info->{frames}, $info->{facings};	3229	cf::anim::set $anim, $info->{frames}, $info->{facings};
2500	Coro::cede;	3230	cf::cede_to_tick;
2501	}	3231	}
2502		3232
2503	cf::anim::invalidate_all; # d'oh	3233	cf::anim::invalidate_all; # d'oh
2504	}	3234	}
2505		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
2506	1	3271	1
2507	}	3272	}
2508		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	$status
		3310	}
		3311
2509	sub reload_regions {	3312	sub reload_regions {
		3313	# HACK to clear player env face cache, we need some signal framework
		3314	# for this (global event?)
		3315	%ext::player_env::MUSIC_FACE_CACHE = ();
		3316
2510	load_resource_file "$MAPDIR/regions"	3317	load_resource_file "$MAPDIR/regions"
2511	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 $_->{match};
		3323	}
2512	}	3324	}
2513		3325
2514	sub reload_facedata {	3326	sub reload_facedata {
2515	load_facedata "$DATADIR/facedata"	3327	load_facedata "$DATADIR/facedata"
2516	or die "unable to load facedata\n";	3328	or die "unable to load facedata\n";
…		…
2527	}	3339	}
2528		3340
2529	sub reload_resources {	3341	sub reload_resources {
2530	warn "reloading resource files...\n";	3342	warn "reloading resource files...\n";
2531		3343
2532	reload_regions;
2533	reload_facedata;	3344	reload_facedata;
2534	reload_archetypes;	3345	reload_archetypes;
		3346	reload_regions;
2535	reload_treasures;	3347	reload_treasures;
2536		3348
2537	warn "finished reloading resource files\n";	3349	warn "finished reloading resource files\n";
2538	}	3350	}
2539		3351
2540	sub init {	3352	sub init {
		3353	my $guard = freeze_mainloop;
		3354
		3355	evthread_start IO::AIO::poll_fileno;
		3356
2541	reload_resources;	3357	reload_resources;
2542	}	3358	}
2543		3359
2544	sub cfg_load {	3360	sub reload_config {
2545	open my $fh, "<:utf8", "$CONFDIR/config"	3361	open my $fh, "<:utf8", "$CONFDIR/config"
2546	or return;	3362	or return;
2547		3363
2548	local $/;	3364	local $/;
2549	*CFG = YAML::Syck::Load <$fh>;	3365	*CFG = YAML::Load <$fh>;
2550		3366
2551	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2552		3368
2553	$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};
2554	$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};
…		…
2560	};	3376	};
2561	warn $@ if $@;	3377	warn $@ if $@;
2562	}	3378	}
2563	}	3379	}
2564		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
2565	sub main {	3400	sub main {
		3401	atomic;
		3402
2566	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2567	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2568	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#
2569	(async {	3406	(async {
2570	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2571	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2572	};	3410	};
2573		3411
2574	cfg_load;	3412	{
		3413	my $guard = freeze_mainloop;
		3414	reload_config;
2575	db_init;	3415	db_init;
2576	load_extensions;	3416	load_extensions;
2577		3417
2578	$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
2579	Event::loop;	3426	EV::loop;
2580	}	3427	}
2581		3428
2582	#############################################################################	3429	#############################################################################
2583	# initialisation and cleanup	3430	# initialisation and cleanup
2584		3431
2585	# install some emergency cleanup handlers	3432	# install some emergency cleanup handlers
2586	BEGIN {	3433	BEGIN {
		3434	our %SIGWATCHER = ();
2587	for my $signal (qw(INT HUP TERM)) {	3435	for my $signal (qw(INT HUP TERM)) {
2588	Event->signal (	3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2589	reentrant => 0,
2590	data => WF_AUTOCANCEL,
2591	signal => $signal,
2592	prio => 0,
2593	cb => sub {
2594	cf::cleanup "SIG$signal";	3437	cf::cleanup "SIG$signal";
2595	},
2596	);	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
2597	}	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 };
2598	}	3519	}
2599		3520
2600	sub emergency_save() {	3521	sub emergency_save() {
2601	my $freeze_guard = cf::freeze_mainloop;	3522	my $freeze_guard = cf::freeze_mainloop;
2602		3523
…		…
2608	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2609	warn "begin emergency player save\n";	3530	warn "begin emergency player save\n";
2610	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2611	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2612	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2613	$pl->save;	3535	$pl->save;
2614	}	3536	}
2615	warn "end emergency player save\n";	3537	warn "end emergency player save\n";
2616		3538
2617	warn "begin emergency map save\n";	3539	warn "begin emergency map save\n";
…		…
2623	warn "end emergency map save\n";	3545	warn "end emergency map save\n";
2624		3546
2625	warn "begin emergency database checkpoint\n";	3547	warn "begin emergency database checkpoint\n";
2626	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
2627	warn "end emergency database checkpoint\n";	3549	warn "end emergency database checkpoint\n";
		3550
		3551	warn "begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "end write uuid\n";
2628	};	3554	};
2629		3555
2630	warn "leave emergency perl save\n";	3556	warn "leave emergency perl save\n";
2631	}	3557	}
2632		3558
2633	sub post_cleanup {	3559	sub post_cleanup {
2634	my ($make_core) = @_;	3560	my ($make_core) = @_;
2635		3561
2636	warn Carp::longmess "post_cleanup backtrace"	3562	warn Carp::longmess "post_cleanup backtrace"
2637	if $make_core;	3563	if $make_core;
		3564
		3565	my $fh = pidfile;
		3566	unlink $PIDFILE if <$fh> == $$;
2638	}	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
2639		3596
2640	sub do_reload_perl() {	3597	sub do_reload_perl() {
2641	# can/must only be called in main	3598	# can/must only be called in main
2642	if ($Coro::current != $Coro::main) {	3599	if ($Coro::current != $Coro::main) {
2643	warn "can only reload from main coroutine";	3600	warn "can only reload from main coroutine";
2644	return;	3601	return;
2645	}	3602	}
2646		3603
		3604	return if $RELOAD++;
		3605
		3606	while ($RELOAD) {
2647	warn "reloading...";	3607	warn "reloading...";
2648		3608
2649	warn "entering sync_job";	3609	warn "entering sync_job";
2650		3610
2651	cf::sync_job {	3611	cf::sync_job {
2652	cf::write_runtime; # external watchdog should not bark	3612	cf::write_runtime_sync; # external watchdog should not bark
2653	cf::emergency_save;	3613	cf::emergency_save;
2654	cf::write_runtime; # external watchdog should not bark	3614	cf::write_runtime_sync; # external watchdog should not bark
2655		3615
2656	warn "syncing database to disk";	3616	warn "syncing database to disk";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3617	BDB::db_env_txn_checkpoint $DB_ENV;
2658		3618
2659	# 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
2660		3620
2661	warn "cancelling all WF_AUTOCANCEL watchers";
2662	for (Event::all_watchers) {
2663	$_->cancel if $_->data & WF_AUTOCANCEL;
2664	}
2665
2666	warn "flushing outstanding aio requests";	3621	warn "flushing outstanding aio requests";
2667	for (;;) {
2668	BDB::flush;
2669	IO::AIO::flush;
2670	Coro::cede;
2671	last unless IO::AIO::nreqs || BDB::nreqs;	3622	while (IO::AIO::nreqs || BDB::nreqs) {
2672	warn "iterate...";	3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2673	}
2674
2675	++$RELOAD;
2676
2677	warn "cancelling all extension coros";
2678	$_->cancel for values %EXT_CORO;
2679	%EXT_CORO = ();
2680
2681	warn "removing commands";
2682	%COMMAND = ();
2683
2684	warn "removing ext commands";
2685	%EXTCMD = ();
2686
2687	warn "unloading/nuking all extensions";
2688	for my $pkg (@EXTS) {
2689	warn "... unloading $pkg";
2690
2691	if (my $cb = $pkg->can ("unload")) {
2692	eval {
2693	$cb->($pkg);
2694	1
2695	} or warn "$pkg unloaded, but with errors: $@";
2696	}	3624	}
2697		3625
2698	warn "... nuking $pkg";	3626	warn "cancelling all extension coros";
2699	Symbol::delete_package $pkg;	3627	$_->cancel for values %EXT_CORO;
2700	}	3628	%EXT_CORO = ();
2701		3629
2702	warn "unloading all perl modules loaded from $LIBDIR";	3630	warn "removing commands";
2703	while (my ($k, $v) = each %INC) {	3631	%COMMAND = ();
2704	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2705		3632
		3633	warn "removing ext/exti commands";
		3634	%EXTCMD = ();
		3635	%EXTICMD = ();
		3636
		3637	warn "unloading/nuking all extensions";
		3638	for my $pkg (@EXTS) {
2706	warn "... unloading $k";	3639	warn "... unloading $pkg";
2707	delete $INC{$k};
2708		3640
2709	$k =~ s/\.pm$//;
2710	$k =~ s/\//::/g;
2711
2712	if (my $cb = $k->can ("unload_module")) {	3641	if (my $cb = $pkg->can ("unload")) {
		3642	eval {
2713	$cb->();	3643	$cb->($pkg);
		3644	1
		3645	} or warn "$pkg unloaded, but with errors: $@";
		3646	}
		3647
		3648	warn "... clearing $pkg";
		3649	clear_package $pkg;
2714	}	3650	}
2715		3651
2716	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;
2717	}	3667	}
2718		3668
2719	warn "getting rid of safe::, as good as possible";	3669	warn "getting rid of safe::, as good as possible";
2720	Symbol::delete_package "safe::$_"	3670	clear_package "safe::$_"
2721	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);
2722		3672
2723	warn "unloading cf.pm \"a bit\"";	3673	warn "unloading cf.pm \"a bit\"";
2724	delete $INC{"cf.pm"};	3674	delete $INC{"cf.pm"};
2725	delete $INC{"cf/pod.pm"};	3675	delete $INC{"cf/pod.pm"};
2726		3676
2727	# don't, removes xs symbols, too,	3677	# don't, removes xs symbols, too,
2728	# and global variables created in xs	3678	# and global variables created in xs
2729	#Symbol::delete_package __PACKAGE__;	3679	#clear_package __PACKAGE__;
2730		3680
2731	warn "unload completed, starting to reload now";	3681	warn "unload completed, starting to reload now";
2732		3682
2733	warn "reloading cf.pm";	3683	warn "reloading cf.pm";
2734	require cf;	3684	require cf;
2735	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2736		3686
2737	warn "loading config and database again";	3687	warn "loading config and database again";
2738	cf::cfg_load;	3688	cf::reload_config;
2739		3689
2740	warn "loading extensions";	3690	warn "loading extensions";
2741	cf::load_extensions;	3691	cf::load_extensions;
2742		3692
2743	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
2744	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
2745	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
2746	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
2747	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
2748	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
2749		3699
2750	warn "leaving sync_job";	3700	warn "leaving sync_job";
2751		3701
2752	1	3702	1
2753	} or do {	3703	} or do {
2754	warn $@;	3704	warn $@;
2755	warn "error while reloading, exiting.";	3705	cf::cleanup "error while reloading, exiting.";
2756	exit 1;
2757	};	3706	};
2758		3707
2759	warn "reloaded";	3708	warn "reloaded";
		3709	--$RELOAD;
		3710	}
2760	};	3711	};
2761		3712
2762	our $RELOAD_WATCHER; # used only during reload	3713	our $RELOAD_WATCHER; # used only during reload
2763		3714
2764	sub reload_perl() {	3715	sub reload_perl() {
2765	# doing reload synchronously and two reloads happen back-to-back,	3716	# doing reload synchronously and two reloads happen back-to-back,
2766	# coro crashes during coro_state_free->destroy here.	3717	# coro crashes during coro_state_free->destroy here.
2767		3718
2768	$RELOAD_WATCHER ||= Event->timer (	3719	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2769	reentrant => 0,
2770	after => 0,
2771	data => WF_AUTOCANCEL,
2772	cb => sub {
2773	do_reload_perl;	3720	do_reload_perl;
2774	undef $RELOAD_WATCHER;	3721	undef $RELOAD_WATCHER;
2775	},
2776	);	3722	};
2777	}	3723	}
2778		3724
2779	register_command "reload" => sub {	3725	register_command "reload" => sub {
2780	my ($who, $arg) = @_;	3726	my ($who, $arg) = @_;
2781		3727
2782	if ($who->flag (FLAG_WIZ)) {	3728	if ($who->flag (FLAG_WIZ)) {
2783	$who->message ("reloading server.");	3729	$who->message ("reloading server.");
		3730	async {
		3731	$Coro::current->{desc} = "perl_reload";
2784	async { reload_perl };	3732	reload_perl;
		3733	};
2785	}	3734	}
2786	};	3735	};
2787		3736
2788	unshift @INC, $LIBDIR;	3737	unshift @INC, $LIBDIR;
2789		3738
…		…
2791		3740
2792	our @WAIT_FOR_TICK;	3741	our @WAIT_FOR_TICK;
2793	our @WAIT_FOR_TICK_BEGIN;	3742	our @WAIT_FOR_TICK_BEGIN;
2794		3743
2795	sub wait_for_tick {	3744	sub wait_for_tick {
2796	return unless $TICK_WATCHER->is_active;
2797	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
2798		3746
2799	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
2800	push @WAIT_FOR_TICK, $signal;	3748	push @WAIT_FOR_TICK, $signal;
2801	$signal->wait;	3749	$signal->wait;
2802	}	3750	}
2803		3751
2804	sub wait_for_tick_begin {	3752	sub wait_for_tick_begin {
2805	return unless $TICK_WATCHER->is_active;
2806	return if $Coro::current == $Coro::main;	3753	return if tick_inhibit || $Coro::current == $Coro::main;
2807		3754
2808	my $signal = new Coro::Signal;	3755	my $signal = new Coro::Signal;
2809	push @WAIT_FOR_TICK_BEGIN, $signal;	3756	push @WAIT_FOR_TICK_BEGIN, $signal;
2810	$signal->wait;	3757	$signal->wait;
2811	}	3758	}
2812		3759
2813	$TICK_WATCHER = Event->timer (	3760	sub tick {
2814	reentrant => 0,
2815	parked => 1,
2816	prio => 0,
2817	at => $NEXT_TICK || $TICK,
2818	data => WF_AUTOCANCEL,
2819	cb => sub {
2820	if ($Coro::current != $Coro::main) {	3761	if ($Coro::current != $Coro::main) {
2821	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"
2822	unless ++$bug_warning > 10;	3763	unless ++$bug_warning > 10;
2823	return;	3764	return;
2824	}	3765	}
2825		3766
2826	$NOW = Event::time;
2827
2828	cf::server_tick; # one server iteration	3767	cf::server_tick; # one server iteration
2829		3768
2830	$RUNTIME += $TICK;
2831	$NEXT_TICK += $TICK;
2832
2833	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2834	$NEXT_RUNTIME_WRITE = $NOW + 10;	3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2835	Coro::async_pool {	3771	Coro::async_pool {
		3772	$Coro::current->{desc} = "runtime saver";
2836	write_runtime	3773	write_runtime_sync
2837	or warn "ERROR: unable to write runtime file: $!";	3774	or warn "ERROR: unable to write runtime file: $!";
2838	};
2839	}	3775	};
		3776	}
2840		3777
2841	# my $AFTER = Event::time;
2842	# warn $AFTER - $NOW;#d#
2843
2844	# if we are delayed by four ticks or more, skip them all
2845	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2846
2847	$TICK_WATCHER->at ($NEXT_TICK);
2848	$TICK_WATCHER->start;
2849
2850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3778	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2851	$sig->send;	3779	$sig->send;
2852	}	3780	}
2853	while (my $sig = shift @WAIT_FOR_TICK) {	3781	while (my $sig = shift @WAIT_FOR_TICK) {
2854	$sig->send;	3782	$sig->send;
2855	}
2856
2857	_post_tick;
2858	},	3783	}
2859	);	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	}
2860		3796
2861	{	3797	{
2862	BDB::max_poll_time $TICK * 0.1;	3798	# configure BDB
2863	$BDB_POLL_WATCHER = Event->io (	3799
2864	reentrant => 0,
2865	fd => BDB::poll_fileno,
2866	poll => 'r',
2867	prio => 0,
2868	data => WF_AUTOCANCEL,
2869	cb => \&BDB::poll_cb,
2870	);
2871	BDB::min_parallel 8;	3800	BDB::min_parallel 8;
2872		3801	BDB::max_poll_reqs $TICK * 0.1;
2873	BDB::set_sync_prepare {	3802	$AnyEvent::BDB::WATCHER->priority (1);
2874	my $status;
2875	my $current = $Coro::current;
2876	(
2877	sub {
2878	$status = $!;
2879	$current->ready; undef $current;
2880	},
2881	sub {
2882	Coro::schedule while defined $current;
2883	$! = $status;
2884	},
2885	)
2886	};
2887		3803
2888	unless ($DB_ENV) {	3804	unless ($DB_ENV) {
2889	$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);
2890		3811
2891	cf::sync_job {	3812	cf::sync_job {
2892	eval {	3813	eval {
2893	BDB::db_env_open	3814	BDB::db_env_open
2894	$DB_ENV,	3815	$DB_ENV,
…		…
2896	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
2897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3818	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2898	0666;	3819	0666;
2899		3820
2900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3821	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2901
2902	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2903	$DB_ENV->set_lk_detect;
2904	};	3822	};
2905		3823
2906	cf::cleanup "db_env_open(db): $@" if $@;	3824	cf::cleanup "db_env_open(db): $@" if $@;
2907	};	3825	};
2908	}	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	};
2909	}	3837	}
2910		3838
2911	{	3839	{
		3840	# configure IO::AIO
		3841
2912	IO::AIO::min_parallel 8;	3842	IO::AIO::min_parallel 8;
2913
2914	undef $Coro::AIO::WATCHER;
2915	IO::AIO::max_poll_time $TICK * 0.1;	3843	IO::AIO::max_poll_time $TICK * 0.1;
2916	$AIO_POLL_WATCHER = Event->io (	3844	undef $AnyEvent::AIO::WATCHER;
2917	reentrant => 0,	3845	}
2918	data => WF_AUTOCANCEL,	3846
2919	fd => IO::AIO::poll_fileno,	3847	my $_log_backtrace;
2920	poll => 'r',	3848
2921	prio => 6,	3849	sub _log_backtrace {
2922	cb => \&IO::AIO::poll_cb,	3850	my ($msg, @addr) = @_;
2923	);	3851
		3852	$msg =~ s/\n//;
		3853
		3854	# limit the # of concurrent backtraces
		3855	if ($_log_backtrace < 2) {
		3856	++$_log_backtrace;
		3857	my $perl_bt = Carp::longmess $msg;
		3858	async {
		3859	$Coro::current->{desc} = "abt $msg";
		3860
		3861	my @bt = fork_call {
		3862	@addr = map { sprintf "%x", $_ } @addr;
		3863	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3864	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3865	or die "addr2line: $!";
		3866
		3867	my @funcs;
		3868	my @res = <$fh>;
		3869	chomp for @res;
		3870	while (@res) {
		3871	my ($func, $line) = splice @res, 0, 2, ();
		3872	push @funcs, "[$func] $line";
		3873	}
		3874
		3875	@funcs
		3876	};
		3877
		3878	LOG llevInfo, "[ABT] $perl_bt\n";
		3879	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3880	LOG llevInfo, "[ABT] $_\n" for @bt;
		3881	--$_log_backtrace;
		3882	};
		3883	} else {
		3884	LOG llevInfo, "[ABT] $msg\n";
		3885	LOG llevInfo, "[ABT] [suppressed]\n";
		3886	}
2924	}	3887	}
2925		3888
2926	# load additional modules	3889	# load additional modules
2927	use cf::pod;	3890	use cf::pod;
2928		3891

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