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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.256 by root, Sat Apr 21 16:56:32 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
1541	undef $guard;
1542	}	2061	}
1543		2062
1544	$self->post_load;	2063	$self->post_load;
1545	}	2064	}
1546		2065
…		…
1548	my ($self, $ob) = @_;	2067	my ($self, $ob) = @_;
1549		2068
1550	return find "~" . $ob->name . "/" . $self->{path}	2069	return find "~" . $ob->name . "/" . $self->{path}
1551	if $self->per_player;	2070	if $self->per_player;
1552		2071
		2072	# return find "?party/" . $ob->name . "/" . $self->{path}
		2073	# if $self->per_party;
		2074
1553	$self	2075	$self
1554	}	2076	}
1555		2077
1556	# find and load all maps in the 3x3 area around a map	2078	# find and load all maps in the 3x3 area around a map
1557	sub load_diag {	2079	sub load_neighbours {
1558	my ($map) = @_;	2080	my ($map) = @_;
1559		2081
1560	my @diag; # diagonal neighbours	2082	my @neigh; # diagonal neighbours
1561		2083
1562	for (0 .. 3) {	2084	for (0 .. 3) {
1563	my $neigh = $map->tile_path ($_)	2085	my $neigh = $map->tile_path ($_)
1564	or next;	2086	or next;
1565	$neigh = find $neigh, $map	2087	$neigh = find $neigh, $map
1566	or next;	2088	or next;
1567	$neigh->load;	2089	$neigh->load;
1568		2090
		2091	push @neigh,
1569	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2092	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1570	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2093	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1571	}	2094	}
1572		2095
1573	for (@diag) {	2096	for (grep defined $_->[0], @neigh) {
		2097	my ($path, $origin) = @$_;
1574	my $neigh = find @$_	2098	my $neigh = find $path, $origin
1575	or next;	2099	or next;
1576	$neigh->load;	2100	$neigh->load;
1577	}	2101	}
1578	}	2102	}
1579		2103
…		…
1584	}	2108	}
1585		2109
1586	sub do_load_sync {	2110	sub do_load_sync {
1587	my ($map) = @_;	2111	my ($map) = @_;
1588		2112
		2113	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2114	if $Coro::current == $Coro::main;
		2115
1589	cf::sync_job { $map->load };	2116	cf::sync_job { $map->load };
1590	}	2117	}
1591		2118
1592	our %MAP_PREFETCH;	2119	our %MAP_PREFETCH;
1593	our $MAP_PREFETCHER = undef;	2120	our $MAP_PREFETCHER = undef;
1594		2121
1595	sub find_async {	2122	sub find_async {
1596	my ($path, $origin) = @_;	2123	my ($path, $origin, $load) = @_;
1597		2124
1598	$path = normalise $path, $origin && $origin->{path};	2125	$path = normalise $path, $origin && $origin->{path};
1599		2126
1600	if (my $map = $cf::MAP{$path}) {	2127	if (my $map = $cf::MAP{$path}) {
1601	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1602	}	2129	}
1603		2130
1604	undef $MAP_PREFETCH{$path};	2131	$MAP_PREFETCH{$path} |= $load;
		2132
1605	$MAP_PREFETCHER ||= cf::async {	2133	$MAP_PREFETCHER ||= cf::async {
		2134	$Coro::current->{desc} = "map prefetcher";
		2135
1606	while (%MAP_PREFETCH) {	2136	while (%MAP_PREFETCH) {
1607	for my $path (keys %MAP_PREFETCH) {	2137	while (my ($k, $v) = each %MAP_PREFETCH) {
1608	my $map = find $path	2138	if (my $map = find $k) {
1609	or next;
1610	$map->load;	2139	$map->load if $v;
		2140	}
1611		2141
1612	delete $MAP_PREFETCH{$path};	2142	delete $MAP_PREFETCH{$k};
1613	}	2143	}
1614	}	2144	}
1615	undef $MAP_PREFETCHER;	2145	undef $MAP_PREFETCHER;
1616	};	2146	};
1617	$MAP_PREFETCHER->prio (6);	2147	$MAP_PREFETCHER->prio (6);
…		…
1620	}	2150	}
1621		2151
1622	sub save {	2152	sub save {
1623	my ($self) = @_;	2153	my ($self) = @_;
1624		2154
1625	my $lock = cf::lock_acquire "map_data:" . $self->path;	2155	my $lock = cf::lock_acquire "map_data:$self->{path}";
1626		2156
1627	$self->{last_save} = $cf::RUNTIME;	2157	$self->{last_save} = $cf::RUNTIME;
1628		2158
1629	return unless $self->dirty;	2159	return unless $self->dirty;
1630		2160
…		…
1636	return if $self->{deny_save};	2166	return if $self->{deny_save};
1637		2167
1638	local $self->{last_access} = $self->last_access;#d#	2168	local $self->{last_access} = $self->last_access;#d#
1639		2169
1640	cf::async {	2170	cf::async {
		2171	$Coro::current->{desc} = "map player save";
1641	$_->contr->save for $self->players;	2172	$_->contr->save for $self->players;
1642	};	2173	};
		2174
		2175	cf::get_slot 0.02;
1643		2176
1644	if ($uniq) {	2177	if ($uniq) {
1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2178	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1646	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2179	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1647	} else {	2180	} else {
…		…
1653	my ($self) = @_;	2186	my ($self) = @_;
1654		2187
1655	# save first because save cedes	2188	# save first because save cedes
1656	$self->save;	2189	$self->save;
1657		2190
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2191	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2192
1660	return if $self->players;	2193	return if $self->players;
1661	return if $self->in_memory != cf::MAP_IN_MEMORY;	2194	return if $self->in_memory != cf::MAP_ACTIVE;
1662	return if $self->{deny_save};	2195	return if $self->{deny_save};
1663		2196
		2197	$self->in_memory (cf::MAP_SWAPPED);
		2198
		2199	$self->deactivate;
		2200	$_->clear_links_to ($self) for values %cf::MAP;
1664	$self->clear;	2201	$self->clear;
1665	$self->in_memory (cf::MAP_SWAPPED);
1666	}	2202	}
1667		2203
1668	sub reset_at {	2204	sub reset_at {
1669	my ($self) = @_;	2205	my ($self) = @_;
1670		2206
1671	# TODO: safety, remove and allow resettable per-player maps	2207	# TODO: safety, remove and allow resettable per-player maps
1672	return 1e99 if $self->isa ("ext::map_per_player");#d#
1673	return 1e99 if $self->{deny_reset};	2208	return 1e99 if $self->{deny_reset};
1674		2209
1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2210	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1676	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2211	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1677		2212
…		…
1688	my ($self) = @_;	2223	my ($self) = @_;
1689		2224
1690	my $lock = cf::lock_acquire "map_data:$self->{path}";	2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
1691		2226
1692	return if $self->players;	2227	return if $self->players;
1693	return if $self->isa ("ext::map_per_player");#d#
1694		2228
1695	warn "resetting map ", $self->path;#d#	2229	warn "resetting map ", $self->path;
1696		2230
1697	$self->in_memory (cf::MAP_SWAPPED);	2231	$self->in_memory (cf::MAP_SWAPPED);
1698		2232
1699	# need to save uniques path	2233	# need to save uniques path
1700	unless ($self->{deny_save}) {	2234	unless ($self->{deny_save}) {
…		…
1704	if $uniq;	2238	if $uniq;
1705	}	2239	}
1706		2240
1707	delete $cf::MAP{$self->path};	2241	delete $cf::MAP{$self->path};
1708		2242
		2243	$self->deactivate;
		2244	$_->clear_links_to ($self) for values %cf::MAP;
1709	$self->clear;	2245	$self->clear;
1710
1711	$_->clear_links_to ($self) for values %cf::MAP;
1712		2246
1713	$self->unlink_save;	2247	$self->unlink_save;
1714	$self->destroy;	2248	$self->destroy;
1715	}	2249	}
1716		2250
1717	my $nuke_counter = "aaaa";	2251	my $nuke_counter = "aaaa";
1718		2252
1719	sub nuke {	2253	sub nuke {
1720	my ($self) = @_;	2254	my ($self) = @_;
1721		2255
		2256	{
		2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2258
1722	delete $cf::MAP{$self->path};	2259	delete $cf::MAP{$self->path};
1723		2260
1724	$self->unlink_save;	2261	$self->unlink_save;
1725		2262
1726	bless $self, "cf::map";	2263	bless $self, "cf::map";
1727	delete $self->{deny_reset};	2264	delete $self->{deny_reset};
1728	$self->{deny_save} = 1;	2265	$self->{deny_save} = 1;
1729	$self->reset_timeout (1);	2266	$self->reset_timeout (1);
1730	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2267	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1731		2268
1732	$cf::MAP{$self->path} = $self;	2269	$cf::MAP{$self->path} = $self;
		2270	}
1733		2271
1734	$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	]
1735	}	2309	}
1736		2310
1737	=item cf::map::unique_maps	2311	=item cf::map::unique_maps
1738		2312
1739	Returns an arrayref of paths of all shared maps that have	2313	Returns an arrayref of paths of all shared maps that have
1740	instantiated unique items. May block.	2314	instantiated unique items. May block.
1741		2315
1742	=cut	2316	=cut
1743		2317
1744	sub unique_maps() {	2318	sub unique_maps() {
1745	my $files = aio_readdir $UNIQUEDIR	2319	[
1746	or return;	2320	map {
1747
1748	my @paths;
1749
1750	for (@$files) {
1751	utf8::decode $_;	2321	utf8::decode $_;
1752	next if /\.pst$/;	2322	s/\.map$//; # TODO future compatibility hack
1753	next unless /^$PATH_SEP/o;	2323	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1754		2324	? ()
1755	push @paths, cf::map::normalise $_;	2325	: normalise $_
		2326	} @{ aio_readdir $UNIQUEDIR or [] }
1756	}	2327	]
1757
1758	\@paths
1759	}	2328	}
1760
1761	package cf;
1762		2329
1763	=back	2330	=back
1764		2331
1765	=head3 cf::object	2332	=head3 cf::object
1766		2333
…		…
1770		2337
1771	=over 4	2338	=over 4
1772		2339
1773	=item $ob->inv_recursive	2340	=item $ob->inv_recursive
1774		2341
1775	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.
1776		2344
1777	=cut	2345	=cut
1778		2346
1779	sub inv_recursive_;	2347	sub inv_recursive_;
1780	sub inv_recursive_ {	2348	sub inv_recursive_ {
…		…
1783		2351
1784	sub inv_recursive {	2352	sub inv_recursive {
1785	inv_recursive_ inv $_[0]	2353	inv_recursive_ inv $_[0]
1786	}	2354	}
1787		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
1788	package cf;	2384	package cf;
1789		2385
1790	=back	2386	=back
1791		2387
1792	=head3 cf::object::player	2388	=head3 cf::object::player
…		…
1798	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>
1799	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
1800	dialogue with the given NPC character.	2396	dialogue with the given NPC character.
1801		2397
1802	=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	};
1803		2413
1804	# rough implementation of a future "reply" method that works	2414	# rough implementation of a future "reply" method that works
1805	# with dialog boxes.	2415	# with dialog boxes.
1806	#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
1807	sub cf::object::player::reply($$$;$) {	2417	sub cf::object::player::reply($$$;$) {
…		…
1809		2419
1810	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1811		2421
1812	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1813	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1814	} 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 {
1815	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1816	$self->message ($msg, $flags);	2434	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2435	}
1817	}	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 (@_);
1818	}	2447	}
1819		2448
1820	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1821		2450
1822	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1835		2464
1836	=item $player_object->enter_link	2465	=item $player_object->enter_link
1837		2466
1838	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}>).
1839		2468
1840	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.
1841	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.
1842		2473
1843	Will never block.	2474	Will never block.
1844		2475
1845	=item $player_object->leave_link ($map, $x, $y)	2476	=item $player_object->leave_link ($map, $x, $y)
1846		2477
…		…
1869	$self->deactivate_recursive;	2500	$self->deactivate_recursive;
1870		2501
1871	return if UNIVERSAL::isa $self->map, "ext::map_link";	2502	return if UNIVERSAL::isa $self->map, "ext::map_link";
1872		2503
1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2504	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1874	if $self->map;	2505	if $self->map && $self->map->{path} ne "{link}";
1875		2506
1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2507	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1877	}	2508	}
1878		2509
1879	sub cf::object::player::leave_link {	2510	sub cf::object::player::leave_link {
1880	my ($self, $map, $x, $y) = @_;	2511	my ($self, $map, $x, $y) = @_;
		2512
		2513	return unless $self->contr->active;
1881		2514
1882	my $link_pos = delete $self->{_link_pos};	2515	my $link_pos = delete $self->{_link_pos};
1883		2516
1884	unless ($map) {	2517	unless ($map) {
1885	# restore original map position	2518	# restore original map position
…		…
1899	# use -1 or undef as default coordinates, not 0, 0	2532	# use -1 or undef as default coordinates, not 0, 0
1900	($x, $y) = ($map->enter_x, $map->enter_y)	2533	($x, $y) = ($map->enter_x, $map->enter_y)
1901	if $x <=0 && $y <= 0;	2534	if $x <=0 && $y <= 0;
1902		2535
1903	$map->load;	2536	$map->load;
1904	$map->load_diag;	2537	$map->load_neighbours;
1905		2538
1906	return unless $self->contr->active;	2539	return unless $self->contr->active;
		2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1907	$self->activate_recursive;	2541	$self->activate_recursive;
1908		2542
1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1910	$self->enter_map ($map, $x, $y);	2544	$self->enter_map ($map, $x, $y);
1911	}	2545	}
1912		2546
1913	cf::player->attach (	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1914	on_logout => sub {
1915	my ($pl) = @_;
1916		2548
1917	# abort map switching before logout	2549	Moves the player to the given map-path and coordinates by first freezing
1918	if ($pl->ob->{_link_pos}) {	2550	her, loading and preparing them map, calling the provided $check callback
1919	cf::sync_job {	2551	that has to return the map if sucecssful, and then unfreezes the player on
1920	$pl->ob->leave_link	2552	the new (success) or old (failed) map position. In either case, $done will
1921	};	2553	be called at the end of this process.
1922	}
1923	},
1924	on_login => sub {
1925	my ($pl) = @_;
1926		2554
1927	# try to abort aborted map switching on player login :)	2555	Note that $check will be called with a potentially non-loaded map, so if
1928	# should happen only on crashes	2556	it needs a loaded map it has to call C<< ->load >>.
1929	if ($pl->ob->{_link_pos}) {
1930	$pl->ob->enter_link;
1931	(async {
1932	$pl->ob->reply (undef,
1933	"There was an internal problem at your last logout, "
1934	. "the server will try to bring you to your intended destination in a second.",
1935	cf::NDI_RED);
1936	# we need this sleep as the login has a concurrent enter_exit running
1937	# and this sleep increases chances of the player not ending up in scorn
1938	Coro::Timer::sleep 1;
1939	$pl->ob->leave_link;
1940	})->prio (2);
1941	}
1942	},
1943	);
1944		2557
1945	=item $player_object->goto ($path, $x, $y)
1946
1947	=cut	2558	=cut
		2559
		2560	our $GOTOGEN;
1948		2561
1949	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
1950	my ($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;
1951		2567
1952	$self->enter_link;	2568	$self->enter_link;
1953		2569
1954	(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
1955	my $map = eval {	2592	my $map = eval {
1956	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
		2594
		2595	if ($map) {
1957	$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
1958	$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 $@;
1959	} or	2608	}
1960	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1961		2609
		2610	if ($gen == $self->{_goto_generation}) {
		2611	delete $self->{_goto_generation};
1962	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
		2613	}
		2614
		2615	$done->() if $done;
1963	})->prio (1);	2616	})->prio (1);
1964	}	2617	}
1965		2618
1966	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
1967		2620
…		…
1987	}	2640	}
1988		2641
1989	sub prepare_random_map {	2642	sub prepare_random_map {
1990	my ($exit) = @_;	2643	my ($exit) = @_;
1991		2644
1992	my $guard = cf::lock_acquire "exit_prepare:$exit";
1993
1994	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
1995	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
1996	# that depends on the exit object	2647	# that depends on the exit object
1997		2648
1998	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
2000	if ($exit->map) {	2651	if ($exit->map) {
2001	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
2002	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
2003	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
2004	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
2005	}	2658	}
2006		2659
2007	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
2008		2661
2009	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2010	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
2011	my $meta = "$RANDOMDIR/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
2012		2665
2013	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2014	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
2015	undef $fh;	2668	undef $fh;
2016	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
2017		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
2018	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
2019	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
2020	}	2677	}
2021	}	2678	}
2022		2679
2023	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
2024	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
2025		2682
2026	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
2027		2684
2028	if ($exit->slaying eq "/!") {
2029	#TODO: this should de-fi-ni-te-ly not be a sync-job
2030	# the problem is that $exit might not survive long enough
2031	# so it needs to be done right now, right here
2032	cf::sync_job { prepare_random_map $exit };
2033	}
2034
2035	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2036	my $hp = $exit->stats->hp;
2037	my $sp = $exit->stats->sp;
2038
2039	$self->enter_link;	2685	$self->enter_link;
2040		2686
2041	(async {	2687	(async {
2042	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
2043	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
2044	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
2045		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
2046	1;	2711	1
2047	}) {	2712	}) {
2048	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
2049	. "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. "
2050	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
2051	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
2052		2717
2053	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
…		…
2072		2737
2073	utf8::encode $text;	2738	utf8::encode $text;
2074	$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);
2075	}	2740	}
2076		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
2077	=item $client->ext_event ($type, %msg)	2887	=item $client->ext_msg ($type, @msg)
2078		2888
2079	Sends an exti event to the client.	2889	Sends an ext event to the client.
2080		2890
2081	=cut	2891	=cut
2082		2892
2083	sub cf::client::ext_event($$%) {	2893	sub cf::client::ext_msg($$@) {
2084	my ($self, $type, %msg) = @_;	2894	my ($self, $type, @msg) = @_;
2085		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2898	} elsif ($self->extcmd == 1) { # TODO: remove
2086	$msg{msgtype} = "event_$type";	2899	push @msg, msgtype => "event_$type";
2087	$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	}
2088	}	2920	}
2089		2921
2090	=item $success = $client->query ($flags, "text", \&cb)	2922	=item $success = $client->query ($flags, "text", \&cb)
2091		2923
2092	Queues a query to the client, calling the given callback with	2924	Queues a query to the client, calling the given callback with
2093	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>,
2094	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>.
2095		2927
2096	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
2097	reliable at some point in the future.	2929	become reliable at some point in the future.
2098		2930
2099	=cut	2931	=cut
2100		2932
2101	sub cf::client::query {	2933	sub cf::client::query {
2102	my ($self, $flags, $text, $cb) = @_;	2934	my ($self, $flags, $text, $cb) = @_;
…		…
2110	utf8::encode $text;	2942	utf8::encode $text;
2111	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2943	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2112		2944
2113	$self->send_packet ($self->{query_queue}[0][0])	2945	$self->send_packet ($self->{query_queue}[0][0])
2114	if @{ $self->{query_queue} } == 1;	2946	if @{ $self->{query_queue} } == 1;
		2947
		2948	1
2115	}	2949	}
2116		2950
2117	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	},
2118	on_reply => sub {	2957	on_reply => sub {
2119	my ($ns, $msg) = @_;	2958	my ($ns, $msg) = @_;
2120		2959
2121	# this weird shuffling is so that direct followup queries	2960	# this weird shuffling is so that direct followup queries
2122	# get handled first	2961	# get handled first
…		…
2134	} else {	2973	} else {
2135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2136	}	2975	}
2137	}	2976	}
2138	},	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	},
2139	);	3004	);
2140		3005
2141	=item $client->async (\&cb)	3006	=item $client->async (\&cb)
2142		3007
2143	Create a new coroutine, running the specified callback. The coroutine will	3008	Create a new coroutine, running the specified callback. The coroutine will
…		…
2184	our $safe = new Safe "safe";	3049	our $safe = new Safe "safe";
2185	our $safe_hole = new Safe::Hole;	3050	our $safe_hole = new Safe::Hole;
2186		3051
2187	$SIG{FPE} = 'IGNORE';	3052	$SIG{FPE} = 'IGNORE';
2188		3053
2189	$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	));
2190		3059
2191	# here we export the classes and methods available to script code	3060	# here we export the classes and methods available to script code
2192		3061
2193	=pod	3062	=pod
2194		3063
2195	The following functions and methods are available within a safe environment:	3064	The following functions and methods are available within a safe environment:
2196		3065
2197	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
2198	cf::object::player player	3070	cf::object::player
2199	cf::player peaceful	3071	player
2200	cf::map trigger	3072
		3073	cf::player
		3074	peaceful
		3075
		3076	cf::map
		3077	trigger
2201		3078
2202	=cut	3079	=cut
2203		3080
2204	for (	3081	for (
2205	["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)],
2206	["cf::object::player" => qw(player)],	3085	["cf::object::player" => qw(player)],
2207	["cf::player" => qw(peaceful)],	3086	["cf::player" => qw(peaceful)],
2208	["cf::map" => qw(trigger)],	3087	["cf::map" => qw(trigger)],
2209	) {	3088	) {
2210	no strict 'refs';	3089	no strict 'refs';
…		…
2281	=back	3160	=back
2282		3161
2283	=cut	3162	=cut
2284		3163
2285	#############################################################################	3164	#############################################################################
2286
2287	=head2 EXTENSION DATABASE SUPPORT
2288
2289	Crossfire maintains a very simple database for extension use. It can
2290	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2291	convert to/from binary).
2292
2293	The parameter C<$family> should best start with the name of the extension
2294	using it, it should be unique.
2295
2296	=over 4
2297
2298	=item $value = cf::db_get $family => $key
2299
2300	Returns a single value from the database.
2301
2302	=item cf::db_put $family => $key => $value
2303
2304	Stores the given C<$value> in the family.
2305
2306	=cut
2307
2308	our $DB;
2309
2310	sub db_init {
2311	unless ($DB) {
2312	$DB = BDB::db_create $DB_ENV;
2313
2314	cf::sync_job {
2315	eval {
2316	$DB->set_flags (BDB::CHKSUM);
2317
2318	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2319	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2320	cf::cleanup "db_open(db): $!" if $!;
2321	};
2322	cf::cleanup "db_open(db): $@" if $@;
2323	};
2324	}
2325	}
2326
2327	sub db_get($$) {
2328	my $key = "$_[0]/$_[1]";
2329
2330	cf::sync_job {
2331	BDB::db_get $DB, undef, $key, my $data;
2332
2333	$! ? ()
2334	: $data
2335	}
2336	}
2337
2338	sub db_put($$$) {
2339	BDB::dbreq_pri 4;
2340	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2341	}
2342
2343	=item cf::cache $id => [$paths...], $processversion => $process
2344
2345	Generic caching function that returns the value of the resource $id,
2346	caching and regenerating as required.
2347
2348	This function can block.
2349
2350	=cut
2351
2352	sub cache {
2353	my ($id, $src, $processversion, $process) = @_;
2354
2355	my $meta =
2356	join "\x00",
2357	$processversion,
2358	map {
2359	aio_stat $_
2360	and Carp::croak "$_: $!";
2361
2362	($_, (stat _)[7,9])
2363	} @$src;
2364
2365	my $dbmeta = db_get cache => "$id/meta";
2366	if ($dbmeta ne $meta) {
2367	# changed, we may need to process
2368
2369	my @data;
2370	my $md5;
2371
2372	for (0 .. $#$src) {
2373	0 <= aio_load $src->[$_], $data[$_]
2374	or Carp::croak "$src->[$_]: $!";
2375	}
2376
2377	# if processing is expensive, check
2378	# checksum first
2379	if (1) {
2380	$md5 =
2381	join "\x00",
2382	$processversion,
2383	map {
2384	Coro::cede;
2385	($src->[$_], Digest::MD5::md5_hex $data[$_])
2386	} 0.. $#$src;
2387
2388
2389	my $dbmd5 = db_get cache => "$id/md5";
2390	if ($dbmd5 eq $md5) {
2391	db_put cache => "$id/meta", $meta;
2392
2393	return db_get cache => "$id/data";
2394	}
2395	}
2396
2397	my $t1 = Time::HiRes::time;
2398	my $data = $process->(\@data);
2399	my $t2 = Time::HiRes::time;
2400
2401	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2402
2403	db_put cache => "$id/data", $data;
2404	db_put cache => "$id/md5" , $md5;
2405	db_put cache => "$id/meta", $meta;
2406
2407	return $data;
2408	}
2409
2410	db_get cache => "$id/data"
2411	}
2412
2413	=item fork_call { }, $args
2414
2415	Executes the given code block with the given arguments in a seperate
2416	process, returning the results. Everything must be serialisable with
2417	Coro::Storable. May, of course, block. Note that the executed sub may
2418	never block itself or use any form of Event handling.
2419
2420	=cut
2421
2422	sub fork_call(&@) {
2423	my ($cb, @args) = @_;
2424
2425	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2426	# or die "socketpair: $!";
2427	pipe my $fh1, my $fh2
2428	or die "pipe: $!";
2429
2430	if (my $pid = fork) {
2431	close $fh2;
2432
2433	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2434	$res = Coro::Storable::thaw $res;
2435
2436	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2437
2438	die $$res unless "ARRAY" eq ref $res;
2439
2440	return wantarray ? @$res : $res->[-1];
2441	} else {
2442	local $SIG{__WARN__};
2443	eval {
2444	local $SIG{__DIE__};
2445	close $fh1;
2446
2447	my @res = eval { $cb->(@args) };
2448	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2449	};
2450
2451	warn $@ if $@;
2452	_exit 0;
2453	}
2454	}
2455
2456
2457
2458	#############################################################################
2459	# the server's init and main functions	3165	# the server's init and main functions
2460		3166
2461	sub load_facedata($) {	3167	sub load_facedata($) {
2462	my ($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;
2463		3175
2464	warn "loading facedata from $path\n";	3176	warn "loading facedata from $path\n";
2465		3177
2466	my $facedata;	3178	my $facedata;
2467	0 < aio_load $path, $facedata	3179	0 < aio_load $path, $facedata
…		…
2470	$facedata = Coro::Storable::thaw $facedata;	3182	$facedata = Coro::Storable::thaw $facedata;
2471		3183
2472	$facedata->{version} == 2	3184	$facedata->{version} == 2
2473	or cf::cleanup "$path: version mismatch, cannot proceed.";	3185	or cf::cleanup "$path: version mismatch, cannot proceed.";
2474		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
2475	{	3194	{
2476	my $faces = $facedata->{faceinfo};	3195	my $faces = $facedata->{faceinfo};
2477		3196
2478	while (my ($face, $info) = each %$faces) {	3197	while (my ($face, $info) = each %$faces) {
2479	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3199
2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3200	cf::face::set_visibility $idx, $info->{visibility};
		3201	cf::face::set_magicmap $idx, $info->{magicmap};
2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3202	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3203	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2483	Coro::cede;	3204
		3205	cf::cede_to_tick;
2484	}	3206	}
2485		3207
2486	while (my ($face, $info) = each %$faces) {	3208	while (my ($face, $info) = each %$faces) {
2487	next unless $info->{smooth};	3209	next unless $info->{smooth};
		3210
2488	my $idx = cf::face::find $face	3211	my $idx = cf::face::find $face
2489	or next;	3212	or next;
		3213
2490	if (my $smooth = cf::face::find $info->{smooth}) {	3214	if (my $smooth = cf::face::find $info->{smooth}) {
		3215	cf::face::set_smooth $idx, $smooth;
2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2492	} else {	3217	} else {
2493	warn "smooth face '$info->{smooth}' not found for face '$face'";	3218	warn "smooth face '$info->{smooth}' not found for face '$face'";
2494	}	3219	}
2495	Coro::cede;	3220
		3221	cf::cede_to_tick;
2496	}	3222	}
2497	}	3223	}
2498		3224
2499	{	3225	{
2500	my $anims = $facedata->{animinfo};	3226	my $anims = $facedata->{animinfo};
2501		3227
2502	while (my ($anim, $info) = each %$anims) {	3228	while (my ($anim, $info) = each %$anims) {
2503	cf::anim::set $anim, $info->{frames}, $info->{facings};	3229	cf::anim::set $anim, $info->{frames}, $info->{facings};
2504	Coro::cede;	3230	cf::cede_to_tick;
2505	}	3231	}
2506		3232
2507	cf::anim::invalidate_all; # d'oh	3233	cf::anim::invalidate_all; # d'oh
2508	}	3234	}
2509		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
2510	1	3271	1
2511	}	3272	}
2512		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	$status
		3310	}
		3311
2513	sub reload_regions {	3312	sub reload_regions {
		3313	# HACK to clear player env face cache, we need some signal framework
		3314	# for this (global event?)
		3315	%ext::player_env::MUSIC_FACE_CACHE = ();
		3316
2514	load_resource_file "$MAPDIR/regions"	3317	load_resource_file "$MAPDIR/regions"
2515	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 $_->{match};
		3323	}
2516	}	3324	}
2517		3325
2518	sub reload_facedata {	3326	sub reload_facedata {
2519	load_facedata "$DATADIR/facedata"	3327	load_facedata "$DATADIR/facedata"
2520	or die "unable to load facedata\n";	3328	or die "unable to load facedata\n";
…		…
2531	}	3339	}
2532		3340
2533	sub reload_resources {	3341	sub reload_resources {
2534	warn "reloading resource files...\n";	3342	warn "reloading resource files...\n";
2535		3343
2536	reload_regions;
2537	reload_facedata;	3344	reload_facedata;
2538	reload_archetypes;	3345	reload_archetypes;
		3346	reload_regions;
2539	reload_treasures;	3347	reload_treasures;
2540		3348
2541	warn "finished reloading resource files\n";	3349	warn "finished reloading resource files\n";
2542	}	3350	}
2543		3351
2544	sub init {	3352	sub init {
		3353	my $guard = freeze_mainloop;
		3354
		3355	evthread_start IO::AIO::poll_fileno;
		3356
2545	reload_resources;	3357	reload_resources;
2546	}	3358	}
2547		3359
2548	sub cfg_load {	3360	sub reload_config {
2549	open my $fh, "<:utf8", "$CONFDIR/config"	3361	open my $fh, "<:utf8", "$CONFDIR/config"
2550	or return;	3362	or return;
2551		3363
2552	local $/;	3364	local $/;
2553	*CFG = YAML::Syck::Load <$fh>;	3365	*CFG = YAML::Load <$fh>;
2554		3366
2555	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2556		3368
2557	$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};
2558	$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};
…		…
2564	};	3376	};
2565	warn $@ if $@;	3377	warn $@ if $@;
2566	}	3378	}
2567	}	3379	}
2568		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
2569	sub main {	3400	sub main {
		3401	atomic;
		3402
2570	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2571	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2572	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#
2573	(async {	3406	(async {
2574	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2575	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2576	};	3410	};
2577		3411
2578	cfg_load;	3412	{
		3413	my $guard = freeze_mainloop;
		3414	reload_config;
2579	db_init;	3415	db_init;
2580	load_extensions;	3416	load_extensions;
2581		3417
2582	$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
2583	Event::loop;	3426	EV::loop;
2584	}	3427	}
2585		3428
2586	#############################################################################	3429	#############################################################################
2587	# initialisation and cleanup	3430	# initialisation and cleanup
2588		3431
2589	# install some emergency cleanup handlers	3432	# install some emergency cleanup handlers
2590	BEGIN {	3433	BEGIN {
		3434	our %SIGWATCHER = ();
2591	for my $signal (qw(INT HUP TERM)) {	3435	for my $signal (qw(INT HUP TERM)) {
2592	Event->signal (	3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2593	reentrant => 0,
2594	data => WF_AUTOCANCEL,
2595	signal => $signal,
2596	prio => 0,
2597	cb => sub {
2598	cf::cleanup "SIG$signal";	3437	cf::cleanup "SIG$signal";
2599	},
2600	);	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
2601	}	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 };
2602	}	3519	}
2603		3520
2604	sub emergency_save() {	3521	sub emergency_save() {
2605	my $freeze_guard = cf::freeze_mainloop;	3522	my $freeze_guard = cf::freeze_mainloop;
2606		3523
…		…
2612	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2613	warn "begin emergency player save\n";	3530	warn "begin emergency player save\n";
2614	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2615	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2616	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2617	$pl->save;	3535	$pl->save;
2618	}	3536	}
2619	warn "end emergency player save\n";	3537	warn "end emergency player save\n";
2620		3538
2621	warn "begin emergency map save\n";	3539	warn "begin emergency map save\n";
…		…
2627	warn "end emergency map save\n";	3545	warn "end emergency map save\n";
2628		3546
2629	warn "begin emergency database checkpoint\n";	3547	warn "begin emergency database checkpoint\n";
2630	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
2631	warn "end emergency database checkpoint\n";	3549	warn "end emergency database checkpoint\n";
		3550
		3551	warn "begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "end write uuid\n";
2632	};	3554	};
2633		3555
2634	warn "leave emergency perl save\n";	3556	warn "leave emergency perl save\n";
2635	}	3557	}
2636		3558
2637	sub post_cleanup {	3559	sub post_cleanup {
2638	my ($make_core) = @_;	3560	my ($make_core) = @_;
2639		3561
2640	warn Carp::longmess "post_cleanup backtrace"	3562	warn Carp::longmess "post_cleanup backtrace"
2641	if $make_core;	3563	if $make_core;
		3564
		3565	my $fh = pidfile;
		3566	unlink $PIDFILE if <$fh> == $$;
2642	}	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
2643		3596
2644	sub do_reload_perl() {	3597	sub do_reload_perl() {
2645	# can/must only be called in main	3598	# can/must only be called in main
2646	if ($Coro::current != $Coro::main) {	3599	if ($Coro::current != $Coro::main) {
2647	warn "can only reload from main coroutine";	3600	warn "can only reload from main coroutine";
2648	return;	3601	return;
2649	}	3602	}
2650		3603
		3604	return if $RELOAD++;
		3605
		3606	while ($RELOAD) {
2651	warn "reloading...";	3607	warn "reloading...";
2652		3608
2653	warn "entering sync_job";	3609	warn "entering sync_job";
2654		3610
2655	cf::sync_job {	3611	cf::sync_job {
2656	cf::write_runtime; # external watchdog should not bark	3612	cf::write_runtime_sync; # external watchdog should not bark
2657	cf::emergency_save;	3613	cf::emergency_save;
2658	cf::write_runtime; # external watchdog should not bark	3614	cf::write_runtime_sync; # external watchdog should not bark
2659		3615
2660	warn "syncing database to disk";	3616	warn "syncing database to disk";
2661	BDB::db_env_txn_checkpoint $DB_ENV;	3617	BDB::db_env_txn_checkpoint $DB_ENV;
2662		3618
2663	# 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
2664		3620
2665	warn "cancelling all WF_AUTOCANCEL watchers";
2666	for (Event::all_watchers) {
2667	$_->cancel if $_->data & WF_AUTOCANCEL;
2668	}
2669
2670	warn "flushing outstanding aio requests";	3621	warn "flushing outstanding aio requests";
2671	for (;;) {
2672	BDB::flush;
2673	IO::AIO::flush;
2674	Coro::cede;
2675	last unless IO::AIO::nreqs || BDB::nreqs;	3622	while (IO::AIO::nreqs || BDB::nreqs) {
2676	warn "iterate...";	3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2677	}
2678
2679	++$RELOAD;
2680
2681	warn "cancelling all extension coros";
2682	$_->cancel for values %EXT_CORO;
2683	%EXT_CORO = ();
2684
2685	warn "removing commands";
2686	%COMMAND = ();
2687
2688	warn "removing ext commands";
2689	%EXTCMD = ();
2690
2691	warn "unloading/nuking all extensions";
2692	for my $pkg (@EXTS) {
2693	warn "... unloading $pkg";
2694
2695	if (my $cb = $pkg->can ("unload")) {
2696	eval {
2697	$cb->($pkg);
2698	1
2699	} or warn "$pkg unloaded, but with errors: $@";
2700	}	3624	}
2701		3625
2702	warn "... nuking $pkg";	3626	warn "cancelling all extension coros";
2703	Symbol::delete_package $pkg;	3627	$_->cancel for values %EXT_CORO;
2704	}	3628	%EXT_CORO = ();
2705		3629
2706	warn "unloading all perl modules loaded from $LIBDIR";	3630	warn "removing commands";
2707	while (my ($k, $v) = each %INC) {	3631	%COMMAND = ();
2708	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2709		3632
		3633	warn "removing ext/exti commands";
		3634	%EXTCMD = ();
		3635	%EXTICMD = ();
		3636
		3637	warn "unloading/nuking all extensions";
		3638	for my $pkg (@EXTS) {
2710	warn "... unloading $k";	3639	warn "... unloading $pkg";
2711	delete $INC{$k};
2712		3640
2713	$k =~ s/\.pm$//;
2714	$k =~ s/\//::/g;
2715
2716	if (my $cb = $k->can ("unload_module")) {	3641	if (my $cb = $pkg->can ("unload")) {
		3642	eval {
2717	$cb->();	3643	$cb->($pkg);
		3644	1
		3645	} or warn "$pkg unloaded, but with errors: $@";
		3646	}
		3647
		3648	warn "... clearing $pkg";
		3649	clear_package $pkg;
2718	}	3650	}
2719		3651
2720	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;
2721	}	3667	}
2722		3668
2723	warn "getting rid of safe::, as good as possible";	3669	warn "getting rid of safe::, as good as possible";
2724	Symbol::delete_package "safe::$_"	3670	clear_package "safe::$_"
2725	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);
2726		3672
2727	warn "unloading cf.pm \"a bit\"";	3673	warn "unloading cf.pm \"a bit\"";
2728	delete $INC{"cf.pm"};	3674	delete $INC{"cf.pm"};
2729	delete $INC{"cf/pod.pm"};	3675	delete $INC{"cf/pod.pm"};
2730		3676
2731	# don't, removes xs symbols, too,	3677	# don't, removes xs symbols, too,
2732	# and global variables created in xs	3678	# and global variables created in xs
2733	#Symbol::delete_package __PACKAGE__;	3679	#clear_package __PACKAGE__;
2734		3680
2735	warn "unload completed, starting to reload now";	3681	warn "unload completed, starting to reload now";
2736		3682
2737	warn "reloading cf.pm";	3683	warn "reloading cf.pm";
2738	require cf;	3684	require cf;
2739	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2740		3686
2741	warn "loading config and database again";	3687	warn "loading config and database again";
2742	cf::cfg_load;	3688	cf::reload_config;
2743		3689
2744	warn "loading extensions";	3690	warn "loading extensions";
2745	cf::load_extensions;	3691	cf::load_extensions;
2746		3692
2747	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
2748	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
2749	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
2750	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
2751	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
2752	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
2753		3699
2754	warn "leaving sync_job";	3700	warn "leaving sync_job";
2755		3701
2756	1	3702	1
2757	} or do {	3703	} or do {
2758	warn $@;	3704	warn $@;
2759	warn "error while reloading, exiting.";	3705	cf::cleanup "error while reloading, exiting.";
2760	exit 1;
2761	};	3706	};
2762		3707
2763	warn "reloaded";	3708	warn "reloaded";
		3709	--$RELOAD;
		3710	}
2764	};	3711	};
2765		3712
2766	our $RELOAD_WATCHER; # used only during reload	3713	our $RELOAD_WATCHER; # used only during reload
2767		3714
2768	sub reload_perl() {	3715	sub reload_perl() {
2769	# doing reload synchronously and two reloads happen back-to-back,	3716	# doing reload synchronously and two reloads happen back-to-back,
2770	# coro crashes during coro_state_free->destroy here.	3717	# coro crashes during coro_state_free->destroy here.
2771		3718
2772	$RELOAD_WATCHER ||= Event->timer (	3719	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2773	reentrant => 0,
2774	after => 0,
2775	data => WF_AUTOCANCEL,
2776	cb => sub {
2777	do_reload_perl;	3720	do_reload_perl;
2778	undef $RELOAD_WATCHER;	3721	undef $RELOAD_WATCHER;
2779	},
2780	);	3722	};
2781	}	3723	}
2782		3724
2783	register_command "reload" => sub {	3725	register_command "reload" => sub {
2784	my ($who, $arg) = @_;	3726	my ($who, $arg) = @_;
2785		3727
2786	if ($who->flag (FLAG_WIZ)) {	3728	if ($who->flag (FLAG_WIZ)) {
2787	$who->message ("reloading server.");	3729	$who->message ("reloading server.");
		3730	async {
		3731	$Coro::current->{desc} = "perl_reload";
2788	async { reload_perl };	3732	reload_perl;
		3733	};
2789	}	3734	}
2790	};	3735	};
2791		3736
2792	unshift @INC, $LIBDIR;	3737	unshift @INC, $LIBDIR;
2793		3738
…		…
2795		3740
2796	our @WAIT_FOR_TICK;	3741	our @WAIT_FOR_TICK;
2797	our @WAIT_FOR_TICK_BEGIN;	3742	our @WAIT_FOR_TICK_BEGIN;
2798		3743
2799	sub wait_for_tick {	3744	sub wait_for_tick {
2800	return unless $TICK_WATCHER->is_active;
2801	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
2802		3746
2803	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
2804	push @WAIT_FOR_TICK, $signal;	3748	push @WAIT_FOR_TICK, $signal;
2805	$signal->wait;	3749	$signal->wait;
2806	}	3750	}
2807		3751
2808	sub wait_for_tick_begin {	3752	sub wait_for_tick_begin {
2809	return unless $TICK_WATCHER->is_active;
2810	return if $Coro::current == $Coro::main;	3753	return if tick_inhibit || $Coro::current == $Coro::main;
2811		3754
2812	my $signal = new Coro::Signal;	3755	my $signal = new Coro::Signal;
2813	push @WAIT_FOR_TICK_BEGIN, $signal;	3756	push @WAIT_FOR_TICK_BEGIN, $signal;
2814	$signal->wait;	3757	$signal->wait;
2815	}	3758	}
2816		3759
2817	$TICK_WATCHER = Event->timer (	3760	sub tick {
2818	reentrant => 0,
2819	parked => 1,
2820	prio => 0,
2821	at => $NEXT_TICK || $TICK,
2822	data => WF_AUTOCANCEL,
2823	cb => sub {
2824	if ($Coro::current != $Coro::main) {	3761	if ($Coro::current != $Coro::main) {
2825	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"
2826	unless ++$bug_warning > 10;	3763	unless ++$bug_warning > 10;
2827	return;	3764	return;
2828	}	3765	}
2829		3766
2830	$NOW = Event::time;
2831
2832	cf::server_tick; # one server iteration	3767	cf::server_tick; # one server iteration
2833		3768
2834	$RUNTIME += $TICK;
2835	$NEXT_TICK += $TICK;
2836
2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2838	$NEXT_RUNTIME_WRITE = $NOW + 10;	3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2839	Coro::async_pool {	3771	Coro::async_pool {
		3772	$Coro::current->{desc} = "runtime saver";
2840	write_runtime	3773	write_runtime_sync
2841	or warn "ERROR: unable to write runtime file: $!";	3774	or warn "ERROR: unable to write runtime file: $!";
2842	};
2843	}	3775	};
		3776	}
2844		3777
2845	# my $AFTER = Event::time;
2846	# warn $AFTER - $NOW;#d#
2847
2848	# if we are delayed by four ticks or more, skip them all
2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2850
2851	$TICK_WATCHER->at ($NEXT_TICK);
2852	$TICK_WATCHER->start;
2853
2854	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3778	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2855	$sig->send;	3779	$sig->send;
2856	}	3780	}
2857	while (my $sig = shift @WAIT_FOR_TICK) {	3781	while (my $sig = shift @WAIT_FOR_TICK) {
2858	$sig->send;	3782	$sig->send;
2859	}
2860
2861	_post_tick;
2862	},	3783	}
2863	);	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	}
2864		3796
2865	{	3797	{
2866	BDB::max_poll_time $TICK * 0.1;	3798	# configure BDB
2867	$BDB_POLL_WATCHER = Event->io (	3799
2868	reentrant => 0,
2869	fd => BDB::poll_fileno,
2870	poll => 'r',
2871	prio => 0,
2872	data => WF_AUTOCANCEL,
2873	cb => \&BDB::poll_cb,
2874	);
2875	BDB::min_parallel 8;	3800	BDB::min_parallel 8;
2876		3801	BDB::max_poll_reqs $TICK * 0.1;
2877	BDB::set_sync_prepare {	3802	$AnyEvent::BDB::WATCHER->priority (1);
2878	my $status;
2879	my $current = $Coro::current;
2880	(
2881	sub {
2882	$status = $!;
2883	$current->ready; undef $current;
2884	},
2885	sub {
2886	Coro::schedule while defined $current;
2887	$! = $status;
2888	},
2889	)
2890	};
2891		3803
2892	unless ($DB_ENV) {	3804	unless ($DB_ENV) {
2893	$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);
2894		3811
2895	cf::sync_job {	3812	cf::sync_job {
2896	eval {	3813	eval {
2897	BDB::db_env_open	3814	BDB::db_env_open
2898	$DB_ENV,	3815	$DB_ENV,
…		…
2900	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
2901	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3818	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2902	0666;	3819	0666;
2903		3820
2904	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3821	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2905
2906	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2907	$DB_ENV->set_lk_detect;
2908	};	3822	};
2909		3823
2910	cf::cleanup "db_env_open(db): $@" if $@;	3824	cf::cleanup "db_env_open(db): $@" if $@;
2911	};	3825	};
2912	}	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	};
2913	}	3837	}
2914		3838
2915	{	3839	{
		3840	# configure IO::AIO
		3841
2916	IO::AIO::min_parallel 8;	3842	IO::AIO::min_parallel 8;
2917
2918	undef $Coro::AIO::WATCHER;
2919	IO::AIO::max_poll_time $TICK * 0.1;	3843	IO::AIO::max_poll_time $TICK * 0.1;
2920	$AIO_POLL_WATCHER = Event->io (	3844	undef $AnyEvent::AIO::WATCHER;
2921	reentrant => 0,	3845	}
2922	data => WF_AUTOCANCEL,	3846
2923	fd => IO::AIO::poll_fileno,	3847	my $_log_backtrace;
2924	poll => 'r',	3848
2925	prio => 6,	3849	sub _log_backtrace {
2926	cb => \&IO::AIO::poll_cb,	3850	my ($msg, @addr) = @_;
2927	);	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	}
2928	}	3887	}
2929		3888
2930	# load additional modules	3889	# load additional modules
2931	use cf::pod;	3890	use cf::pod;
2932		3891

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