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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 1.447 by root, Fri Sep 19 01:39:45 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		69
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		71
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		73
49	our %COMMAND = ();	74	our %COMMAND = ();
50	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
51		76
52	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
56		82
57	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
58	our @EVENT;	84	our @EVENT;
59		85
60	our $CONFDIR = confdir;	86	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	87	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	88	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	89	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	90	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	91	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	95	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	96	our $BDBDIR = "$LOCALDIR/db";
		97	our $PIDFILE = "$LOCALDIR/pid";
		98	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		99
		100	our %RESOURCE;
71		101
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	104	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		106
		107	our $BDB_DEADLOCK_WATCHER;
		108	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	109	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	110	our $DB_ENV;
82		111
83	our %CFG;	112	our %CFG;
84		113
85	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
87		117
88	our %PLAYER; # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
91		121
92	# used to convert map paths into valid unix filenames by replacing / by ∕	122	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		124
		125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		126	our $LOADAVG; # same thing, but with alpha-smoothing
		127	our $JITTER; # average jitter
		128	our $TICK_START; # for load detecting purposes
		129
95	binmode STDOUT;	130	binmode STDOUT;
96	binmode STDERR;	131	binmode STDERR;
97		132
98	# read virtual server time, if available	133	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	135	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
103	}	138	}
104		139
105	mkdir $_	140	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
139		174
140	=item $cf::TICK	175	=item $cf::TICK
141		176
142	The interval between server ticks, in seconds.	177	The interval between server ticks, in seconds.
143		178
		179	=item $cf::LOADAVG
		180
		181	The current CPU load on the server (alpha-smoothed), as a value between 0
		182	(none) and 1 (overloaded), indicating how much time is spent on processing
		183	objects per tick. Healthy values are < 0.5.
		184
		185	=item $cf::LOAD
		186
		187	The raw value load value from the last tick.
		188
144	=item %cf::CFG	189	=item %cf::CFG
145		190
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	192	from wherever your confdir points to.
148		193
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		195
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	197	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		199
		200	=item @cf::INVOKE_RESULTS
		201
		202	This array contains the results of the last C<invoke ()> call. When
		203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		204	that call.
		205
155	=back	206	=back
156		207
157	=cut	208	=cut
158		209
159	BEGIN {	210	BEGIN {
…		…
163	$msg .= "\n"	214	$msg .= "\n"
164	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
165		216
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		218
168	utf8::encode $msg;
169	LOG llevError, $msg;	219	LOG llevError, $msg;
170	};	220	};
171	}	221	}
		222
		223	$Coro::State::DIEHOOK = sub {
		224	return unless $^S eq 0; # "eq", not "=="
		225
		226	if ($Coro::current == $Coro::main) {#d#
		227	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		228	return;#d#
		229	}#d#
		230
		231	# kill coroutine otherwise
		232	warn Carp::longmess $_[0];
		233	Coro::terminate
		234	};
		235
		236	$SIG{__DIE__} = sub { }; #d#?
172		237
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	242	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		243	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	244	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		245
180	# we bless all objects into (empty) derived classes to force a method lookup	246	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	247	# within the Safe compartment.
182	for my $pkg (qw(	248	for my $pkg (qw(
183	cf::global cf::attachable	249	cf::global cf::attachable
184	cf::object cf::object::player	250	cf::object cf::object::player
185	cf::client cf::player	251	cf::client cf::player
186	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
187	cf::map cf::party cf::region	254	cf::party cf::region
188	)) {	255	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	257	}
192		258
193	$Event::DIED = sub {	259	$EV::DIED = sub {
194	warn "error in event callback: @_";	260	warn "error in event callback: @_";
195	};	261	};
		262
		263	#############################################################################
196		264
197	=head2 UTILITY FUNCTIONS	265	=head2 UTILITY FUNCTIONS
198		266
199	=over 4	267	=over 4
200		268
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	288	$d
221	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
222	}	290	}
223		291
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
227		293
228	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
229		295
230	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
231		297
232	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
		299
		300	=cut
		301
		302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		303
		304	sub encode_json($) { $json_coder->encode ($_[0]) }
		305	sub decode_json($) { $json_coder->decode ($_[0]) }
233		306
234	=item cf::lock_wait $string	307	=item cf::lock_wait $string
235		308
236	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
237		310
…		…
240	Wait until the given lock is available and then acquires it and returns	313	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	314	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	315	for example when the coroutine gets canceled), the lock is automatically
243	returned.	316	returned.
244		317
		318	Locks are *not* recursive, locking from the same coro twice results in a
		319	deadlocked coro.
		320
245	Lock names should begin with a unique identifier (for example, cf::map::find	321	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	322	uses map_find and cf::map::load uses map_load).
247		323
248	=item $locked = cf::lock_active $string	324	=item $locked = cf::lock_active $string
249		325
250	Return true if the lock is currently active, i.e. somebody has locked it.	326	Return true if the lock is currently active, i.e. somebody has locked it.
251		327
252	=cut	328	=cut
253		329
254	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
255		332
256	sub lock_wait($) {	333	sub lock_wait($) {
257	my ($key) = @_;	334	my ($key) = @_;
		335
		336	if ($LOCKER{$key} == $Coro::current) {#d#
		337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		338	return;#d#
		339	}#d#
258		340
259	# wait for lock, if any	341	# wait for lock, if any
260	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	344	Coro::schedule;
…		…
268		350
269	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
270	lock_wait $key;	352	lock_wait $key;
271		353
272	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
273		356
274	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
277	}	361	}
278	}	362	}
279		363
…		…
282		366
283	! ! $LOCK{$key}	367	! ! $LOCK{$key}
284	}	368	}
285		369
286	sub freeze_mainloop {	370	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
288		372
289	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
290	$TICK_WATCHER->start;	374	}
		375
		376	=item cf::periodic $interval, $cb
		377
		378	Like EV::periodic, but randomly selects a starting point so that the actions
		379	get spread over timer.
		380
		381	=cut
		382
		383	sub periodic($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
		389	}
		390
		391	=item cf::get_slot $time[, $priority[, $name]]
		392
		393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		394	This call blocks and returns only when you have at least C<$time> seconds
		395	of cpu time till the next tick. The slot is only valid till the next cede.
		396
		397	The optional C<$name> can be used to identify the job to run. It might be
		398	used for statistical purposes and should identify the same time-class.
		399
		400	Useful for short background jobs.
		401
		402	=cut
		403
		404	our @SLOT_QUEUE;
		405	our $SLOT_QUEUE;
		406
		407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
		411	my $signal = new Coro::Signal;
		412
		413	while () {
		414	next_job:
		415	my $avail = cf::till_tick;
		416	if ($avail > 0.01) {
		417	for (0 .. $#SLOT_QUEUE) {
		418	if ($SLOT_QUEUE[$_][0] < $avail) {
		419	my $job = splice @SLOT_QUEUE, $_, 1, ();
		420	$job->[2]->send;
		421	Coro::cede;
		422	goto next_job;
		423	}
		424	}
		425	}
		426
		427	if (@SLOT_QUEUE) {
		428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		429	push @cf::WAIT_FOR_TICK, $signal;
		430	$signal->wait;
		431	} else {
		432	Coro::schedule;
		433	}
291	};	434	}
292	$TICK_WATCHER->stop;	435	};
293	$guard	436
		437	sub get_slot($;$$) {
		438	return if tick_inhibit || $Coro::current == $Coro::main;
		439
		440	my ($time, $pri, $name) = @_;
		441
		442	$time = $TICK * .6 if $time > $TICK * .6;
		443	my $sig = new Coro::Signal;
		444
		445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		447	$SLOT_QUEUE->ready;
		448	$sig->wait;
294	}	449	}
295		450
296	=item cf::async { BLOCK }	451	=item cf::async { BLOCK }
297		452
298	Currently the same as Coro::async_pool, meaning you cannot use	453	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		458
304	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
305		460
306	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
307		462
308	The design of crossfire+ requires that the main coro ($Coro::main) is	463	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	464	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		466	acceptable.
311		467
312	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	470	server will be frozen during this time, so the block should either finish
315	fast or be very important.	471	fast or be very important.
…		…
318		474
319	sub sync_job(&) {	475	sub sync_job(&) {
320	my ($job) = @_;	476	my ($job) = @_;
321		477
322	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
		479	my $time = EV::time;
		480
323	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
325		483
326	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	485
328	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
329		487
330	my $busy = 1;	488	my $busy = 1;
331	my @res;	489	my @res;
332		490
333	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	493	@res = eval { $job->() };
335	warn $@ if $@;	494	warn $@ if $@;
336	undef $busy;	495	undef $busy;
337	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
338		497
339	while ($busy) {	498	while ($busy) {
340	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
341	}	503	}
		504	}
		505
		506	my $time = EV::time - $time;
		507
		508	$TICK_START += $time; # do not account sync jobs to server load
342		509
343	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
344	} else {	511	} else {
345	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
346		513
…		…
366	$EXT_CORO{$coro+0} = $coro;	533	$EXT_CORO{$coro+0} = $coro;
367		534
368	$coro	535	$coro
369	}	536	}
370		537
371	sub write_runtime {	538	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		539
374	my $runtime = "$LOCALDIR/runtime";	540	Executes the given code block with the given arguments in a seperate
		541	process, returning the results. Everything must be serialisable with
		542	Coro::Storable. May, of course, block. Note that the executed sub may
		543	never block itself or use any form of event handling.
375		544
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	545	=cut
377	or return;
378		546
379	my $value = $cf::RUNTIME + 90 + 10;	547	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	548	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		549
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	550	# we seemingly have to make a local copy of the whole thing,
384	and return;	551	# otherwise perl prematurely frees the stuff :/
		552	# TODO: investigate and fix (likely this will be rather laborious)
385		553
386	# always fsync - this file is important	554	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	555	reset_signals;
388	and return;	556	&$cb
		557	}, @args;
389		558
390	close $fh	559	wantarray ? @res : $res[-1]
391	or return;	560	}
392		561
393	aio_rename "$runtime~", $runtime	562	=item $coin = coin_from_name $name
394	and return;
395		563
		564	=cut
		565
		566	our %coin_alias = (
		567	"silver" => "silvercoin",
		568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
		582
		583	sub coin_from_name($) {
		584	$coin_alias{$_[0]}
		585	? cf::arch::find $coin_alias{$_[0]}
		586	: undef
		587	}
		588
		589	=item $value = cf::db_get $family => $key
		590
		591	Returns a single value from the environment database.
		592
		593	=item cf::db_put $family => $key => $value
		594
		595	Stores the given C<$value> in the family. It can currently store binary
		596	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		597
		598	=item $db = cf::db_table "name"
		599
		600	Create and/or open a new database table. The string must not be "db" and must be unique
		601	within each server.
		602
		603	=cut
		604
		605	sub db_table($) {
		606	my ($name) = @_;
		607	my $db = BDB::db_create $DB_ENV;
		608
		609	eval {
		610	$db->set_flags (BDB::CHKSUM);
		611
		612	utf8::encode $name;
		613	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		614	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		615	cf::cleanup "db_open(db): $!" if $!;
		616	};
		617	cf::cleanup "db_open(db): $@" if $@;
		618
		619	$db
		620	}
		621
		622	our $DB;
		623
		624	sub db_init {
		625	cf::sync_job {
		626	$DB ||= db_table "db";
		627	};
		628	}
		629
		630	sub db_get($$) {
		631	my $key = "$_[0]/$_[1]";
		632
		633	cf::sync_job {
		634	BDB::db_get $DB, undef, $key, my $data;
		635
		636	$! ? ()
		637	: $data
396	1	638	}
		639	}
		640
		641	sub db_put($$$) {
		642	BDB::dbreq_pri 4;
		643	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		644	}
		645
		646	=item cf::cache $id => [$paths...], $processversion => $process
		647
		648	Generic caching function that returns the value of the resource $id,
		649	caching and regenerating as required.
		650
		651	This function can block.
		652
		653	=cut
		654
		655	sub cache {
		656	my ($id, $src, $processversion, $process) = @_;
		657
		658	my $meta =
		659	join "\x00",
		660	$processversion,
		661	map {
		662	aio_stat $_
		663	and Carp::croak "$_: $!";
		664
		665	($_, (stat _)[7,9])
		666	} @$src;
		667
		668	my $dbmeta = db_get cache => "$id/meta";
		669	if ($dbmeta ne $meta) {
		670	# changed, we may need to process
		671
		672	my @data;
		673	my $md5;
		674
		675	for (0 .. $#$src) {
		676	0 <= aio_load $src->[$_], $data[$_]
		677	or Carp::croak "$src->[$_]: $!";
		678	}
		679
		680	# if processing is expensive, check
		681	# checksum first
		682	if (1) {
		683	$md5 =
		684	join "\x00",
		685	$processversion,
		686	map {
		687	cf::cede_to_tick;
		688	($src->[$_], Digest::MD5::md5_hex $data[$_])
		689	} 0.. $#$src;
		690
		691
		692	my $dbmd5 = db_get cache => "$id/md5";
		693	if ($dbmd5 eq $md5) {
		694	db_put cache => "$id/meta", $meta;
		695
		696	return db_get cache => "$id/data";
		697	}
		698	}
		699
		700	my $t1 = Time::HiRes::time;
		701	my $data = $process->(\@data);
		702	my $t2 = Time::HiRes::time;
		703
		704	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		705
		706	db_put cache => "$id/data", $data;
		707	db_put cache => "$id/md5" , $md5;
		708	db_put cache => "$id/meta", $meta;
		709
		710	return $data;
		711	}
		712
		713	db_get cache => "$id/data"
397	}	714	}
398		715
399	=item cf::datalog type => key => value, ...	716	=item cf::datalog type => key => value, ...
400		717
401	Log a datalog packet of the given type with the given key-value pairs.	718	Log a datalog packet of the given type with the given key-value pairs.
…		…
413		730
414	#############################################################################	731	#############################################################################
415		732
416	=head2 ATTACHABLE OBJECTS	733	=head2 ATTACHABLE OBJECTS
417		734
418	Many objects in crossfire are so-called attachable objects. That means you can	735	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")	736	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
421		738
422	In the following description, CLASS can be any of C<global>, C<object>	739	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	740	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	741	Deliantra).
425		742
426	=over 4	743	=over 4
427		744
428	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
429		746
…		…
473	=item cf::CLASS::attachment $name, ...	790	=item cf::CLASS::attachment $name, ...
474		791
475	Register an attachment by C<$name> through which attachable objects of the	792	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	793	given CLASS can refer to this attachment.
477		794
478	Some classes such as crossfire maps and objects can specify attachments	795	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.	796	that are attached at load/instantiate time, thus the need for a name.
480		797
481	These calls expect any number of the following handler/hook descriptions:	798	These calls expect any number of the following handler/hook descriptions:
482		799
483	=over 4	800	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	909	$registry = $CB_TYPE[$object_type] ||= [];
593		910
594	} elsif ($type eq "subtype") {	911	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	912	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	913	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	914	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		915
599	} elsif ($type eq "package") {	916	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	917	my $pkg = shift @arg;
601		918
602	while (my ($name, $id) = each %cb_id) {	919	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	948	_attach $registry, $klass, @attach;
632	}	949	}
633		950
634	$obj->{$name} = \%arg;	951	$obj->{$name} = \%arg;
635	} else {	952	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	953	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	954	}
638		955
639	$obj->{_attachment}{$name} = undef;	956	$obj->{_attachment}{$name} = undef;
640	}	957	}
641		958
…		…
643	if (ref $_[0]) {	960	if (ref $_[0]) {
644	_object_attach @_;	961	_object_attach @_;
645	} else {	962	} else {
646	_attach shift->_attach_registry, @_;	963	_attach shift->_attach_registry, @_;
647	}	964	}
		965	_recalc_want;
648	};	966	};
649		967
650	# all those should be optimised	968	# all those should be optimised
651	sub cf::attachable::detach {	969	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	970	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	973	delete $obj->{_attachment}{$name};
656	reattach ($obj);	974	reattach ($obj);
657	} else {	975	} else {
658	Carp::croak "cannot, currently, detach class attachments";	976	Carp::croak "cannot, currently, detach class attachments";
659	}	977	}
		978	_recalc_want;
660	};	979	};
661		980
662	sub cf::attachable::attached {	981	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	982	my ($obj, $name) = @_;
664		983
…		…
679	";	998	";
680	die if $@;	999	die if $@;
681	}	1000	}
682		1001
683	our $override;	1002	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1003	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1004
686	sub override {	1005	sub override {
687	$override = 1;	1006	$override = 1;
688	@invoke_results = ();	1007	@INVOKE_RESULTS = (@_);
689	}	1008	}
690		1009
691	sub do_invoke {	1010	sub do_invoke {
692	my $event = shift;	1011	my $event = shift;
693	my $callbacks = shift;	1012	my $callbacks = shift;
694		1013
695	@invoke_results = ();	1014	@INVOKE_RESULTS = ();
696		1015
697	local $override;	1016	local $override;
698		1017
699	for (@$callbacks) {	1018	for (@$callbacks) {
700	eval { &{$_->[1]} };	1019	eval { &{$_->[1]} };
…		…
709	}	1028	}
710		1029
711	0	1030	0
712	}	1031	}
713		1032
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1034
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1036
718	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
719		1038
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1039	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	1040	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1041	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1042
724	=back	1043	=back
725		1044
726	=cut	1045	=cut
727		1046
728	#############################################################################	1047	#############################################################################
729	# object support	1048	# object support
		1049
		1050	sub _object_equal($$);
		1051	sub _object_equal($$) {
		1052	my ($a, $b) = @_;
		1053
		1054	return 0 unless (ref $a) eq (ref $b);
		1055
		1056	if ("HASH" eq ref $a) {
		1057	my @ka = keys %$a;
		1058	my @kb = keys %$b;
		1059
		1060	return 0 if @ka != @kb;
		1061
		1062	for (0 .. $#ka) {
		1063	return 0 unless $ka[$_] eq $kb[$_];
		1064	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1065	}
		1066
		1067	} elsif ("ARRAY" eq ref $a) {
		1068
		1069	return 0 if @$a != @$b;
		1070
		1071	for (0 .. $#$a) {
		1072	return 0 unless _object_equal $a->[$_], $b->[$_];
		1073	}
		1074
		1075	} elsif ($a ne $b) {
		1076	return 0;
		1077	}
		1078
		1079	1
		1080	}
		1081
		1082	our $SLOW_MERGES;#d#
		1083	sub _can_merge {
		1084	my ($ob1, $ob2) = @_;
		1085
		1086	++$SLOW_MERGES;#d#
		1087
		1088	# we do the slow way here
		1089	return _object_equal $ob1, $ob2
		1090	}
730		1091
731	sub reattach {	1092	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1094	my ($obj) = @_;
734		1095
		1096	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1097	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1098
737	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
738		1100
739	@$registry = ();	1101	@$registry = ();
740		1102
…		…
755	cf::attachable->attach (	1117	cf::attachable->attach (
756	prio => -1000000,	1118	prio => -1000000,
757	on_instantiate => sub {	1119	on_instantiate => sub {
758	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
759		1121
760	$data = from_json $data;	1122	$data = decode_json $data;
761		1123
762	for (@$data) {	1124	for (@$data) {
763	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
764		1126
765	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1143	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
783		1145
784	sync_job {	1146	sync_job {
785	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
788		1151
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1156	aio_close $fh;
794		1157
795	if (@$objs) {	1158	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1164	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
803	}	1166	}
804	} else {	1167	} else {
805	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
806	}	1169	}
…		…
811	}	1174	}
812	} else {	1175	} else {
813	aio_unlink $filename;	1176	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
815	}	1178	}
816	}	1179	};
817	}	1180	}
818		1181
819	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
821		1184
…		…
833	or return;	1196	or return;
834		1197
835	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
837	or return;	1200	or return;
		1201
838	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
839	}	1204	}
840		1205
		1206	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
843	return ($data, $av);	1210	($data, $av)
844	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
845		1218
846	#############################################################################	1219	#############################################################################
847	# command handling &c	1220	# command handling &c
848		1221
849	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1236	}
864		1237
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1239
867	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
868		1245
869	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
870	called.	1247	called.
871		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
872	=cut	1260	=cut
873		1261
874	sub register_extcmd {	1262	sub register_extcmd {
875	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
876		1264
877	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
		1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
878	}	1272	}
879		1273
880	cf::player->attach (	1274	cf::player->attach (
881	on_command => sub {	1275	on_command => sub {
882	my ($pl, $name, $params) = @_;	1276	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1285	cf::override;
892	},	1286	},
893	on_extcmd => sub {	1287	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
895		1289
896	my $msg = eval { from_json $buf };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1291
898	if (ref $msg) {	1292	if (ref $msg) {
		1293	my ($type, $reply, @payload) =
		1294	"ARRAY" eq ref $msg
		1295	? @$msg
		1296	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1297
		1298	my @reply;
		1299
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
904	} else {	1307	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1309	}
907		1310
908	cf::override;	1311	cf::override;
909	},	1312	},
910	);	1313	);
911		1314
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1315	sub load_extensions {
		1316	cf::sync_job {
		1317	my %todo;
		1318
947	for my $ext (<$LIBDIR/*.ext>) {	1319	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1320	next unless -r $path;
949	eval {	1321
950	load_extension $ext;	1322	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1323	my $base = $1;
		1324	my $pkg = $1;
		1325	$pkg =~ s/[^[:word:]]/_/g;
		1326	$pkg = "ext::$pkg";
		1327
		1328	open my $fh, "<:utf8", $path
		1329	or die "$path: $!";
		1330
		1331	my $source = do { local $/; <$fh> };
		1332
		1333	my %ext = (
		1334	path => $path,
		1335	base => $base,
		1336	pkg => $pkg,
		1337	);
		1338
		1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1341
		1342	$ext{source} =
		1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1344	. "#line 1 \"$path\"\n{\n"
		1345	. $source
		1346	. "\n};\n1";
		1347
		1348	$todo{$base} = \%ext;
		1349	}
		1350
		1351	my %done;
		1352	while (%todo) {
		1353	my $progress;
		1354
		1355	while (my ($k, $v) = each %todo) {
		1356	for (split /,\s*/, $v->{meta}{depends}) {
		1357	goto skip
		1358	unless exists $done{$_};
		1359	}
		1360
		1361	warn "... loading '$k' into '$v->{pkg}'\n";
		1362
		1363	unless (eval $v->{source}) {
		1364	my $msg = $@ ? "$v->{path}: $@\n"
		1365	: "$v->{base}: extension inactive.\n";
		1366
		1367	if (exists $v->{meta}{mandatory}) {
		1368	warn $msg;
		1369	cf::cleanup "mandatory extension failed to load, exiting.";
		1370	}
		1371
		1372	warn $msg;
		1373	}
		1374
		1375	$done{$k} = delete $todo{$k};
		1376	push @EXTS, $v->{pkg};
		1377	$progress = 1;
951	1	1378	}
952	} or warn "$ext not loaded: $@";	1379
		1380	skip:
		1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1382	unless $progress;
		1383	}
953	}	1384	};
954	}	1385	}
955		1386
956	#############################################################################	1387	#############################################################################
957		1388
		1389	=back
		1390
958	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
959		1392
960	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core deliantra objects.
961		1394
962	=cut	1395	=cut
963		1396
964	package cf::player;	1397	package cf::player;
965		1398
966	use Coro::AIO;	1399	use Coro::AIO;
967		1400
968	=head3 cf::player	1401	=head3 cf::player
969		1402
970	=over 4	1403	=over 4
		1404
		1405	=item cf::player::num_playing
		1406
		1407	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1408
		1409	=cut
		1410
		1411	sub num_playing {
		1412	scalar grep
		1413	$_->ob->map
		1414	&& !$_->hidden
		1415	&& !$_->ob->flag (cf::FLAG_WIZ),
		1416	cf::player::list
		1417	}
971		1418
972	=item cf::player::find $login	1419	=item cf::player::find $login
973		1420
974	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
975		1422
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1458	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1459	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1460	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1461	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1462
1016	my $pl = load_pl path $login	1463	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1464	or return;
		1465
		1466	my $pl = cf::player::load_pl $f
		1467	or return;
		1468
		1469	local $cf::PLAYER_LOADING{$login} = $pl;
		1470	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
1019	}	1472	}
1020	}	1473	}
1021	}	1474	}
1022		1475
…		…
1031	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1032		1485
1033	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
1035		1488
		1489	cf::get_slot 0.01;
		1490
1036	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1037	Coro::cede;	1492	cf::cede_to_tick;
1038	}	1493	}
1039		1494
1040	sub new($) {	1495	sub new($) {
1041	my ($login) = @_;	1496	my ($login) = @_;
1042		1497
…		…
1048	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1049		1504
1050	$self	1505	$self
1051	}	1506	}
1052		1507
		1508	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1509
		1510	=cut
		1511
		1512	sub send_msg {
		1513	my $ns = shift->ns
		1514	or return;
		1515	$ns->send_msg (@_);
		1516	}
		1517
1053	=item $pl->quit_character	1518	=item $pl->quit_character
1054		1519
1055	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1057		1522
…		…
1061	my ($pl) = @_;	1526	my ($pl) = @_;
1062		1527
1063	my $name = $pl->ob->name;	1528	my $name = $pl->ob->name;
1064		1529
1065	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1532
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1072		1539
1073	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1577	or return [];
1111		1578
1112	my @logins;	1579	my @logins;
1113		1580
1114	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
		1582	my $path = path $login;
		1583
		1584	# a .pst is a dead give-away for a valid player
		1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1118		1591
1119	utf8::decode $login;	1592	utf8::decode $login;
1120	push @logins, $login;	1593	push @logins, $login;
1121	}	1594	}
1122		1595
…		…
1149	}	1622	}
1150		1623
1151	\@paths	1624	\@paths
1152	}	1625	}
1153		1626
		1627	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1628
		1629	Expand deliantra pod fragments into protocol xml.
		1630
1154	=item $player->ext_reply ($msgid, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1155		1632
1156	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1157		1634
1158	=cut	1635	=cut
1159		1636
1160	sub ext_reply($$%) {	1637	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1162		1639
1163	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1641	}
1167		1642
1168	=item $player->ext_event ($type, %msg)	1643	=item $player->ext_msg ($type, @msg)
1169		1644
1170	Sends an ext event to the client.	1645	Sends an ext event to the client.
1171		1646
1172	=cut	1647	=cut
1173		1648
1174	sub ext_event($$%) {	1649	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1650	my ($self, $type, @msg) = @_;
1176		1651
1177	$self->ns->ext_event ($type, %msg);	1652	$self->ns->ext_msg ($type, @msg);
1178	}	1653	}
1179		1654
1180	=head3 cf::region	1655	=head3 cf::region
1181		1656
1182	=over 4	1657	=over 4
…		…
1185		1660
1186	package cf::region;	1661	package cf::region;
1187		1662
1188	=item cf::region::find_by_path $path	1663	=item cf::region::find_by_path $path
1189		1664
1190	Tries to decuce the probable region for a map knowing only its path.	1665	Tries to decuce the likely region for a map knowing only its path.
1191		1666
1192	=cut	1667	=cut
1193		1668
1194	sub find_by_path($) {	1669	sub find_by_path($) {
1195	my ($path) = @_;	1670	my ($path) = @_;
1196		1671
1197	my ($match, $specificity);	1672	my ($match, $specificity);
1198		1673
1199	for my $region (list) {	1674	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1675	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1676	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1677	if $region->specificity > $specificity;
1203	}	1678	}
1204	}	1679	}
1205		1680
…		…
1226	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1228		1703
1229	sub generate_random_map {	1704	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1705	my ($self, $rmp) = @_;
		1706
		1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1708
1231	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1710	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1269	my ($self, $merge) = @_;	1747	my ($self, $merge) = @_;
1270		1748
1271	# we have to keep some variables in memory intact	1749	# we have to keep some variables in memory intact
1272	local $self->{path};	1750	local $self->{path};
1273	local $self->{load_path};	1751	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1752
1277	$self->SUPER::thawer_merge ($merge);	1753	$self->SUPER::thawer_merge ($merge);
1278	}	1754	}
1279		1755
1280	sub normalise {	1756	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1328	return $self;	1804	return $self;
1329	}	1805	}
1330	}	1806	}
1331		1807
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1809	()
1334	}	1810	}
1335		1811
1336	sub init {	1812	sub init {
1337	my ($self) = @_;	1813	my ($self) = @_;
…		…
1359		1835
1360	# the temporary/swap location	1836	# the temporary/swap location
1361	sub save_path {	1837	sub save_path {
1362	my ($self) = @_;	1838	my ($self) = @_;
1363		1839
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1841	"$TMPDIR/$path.map"
1366	}	1842	}
1367		1843
1368	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1369	sub uniq_path {	1845	sub uniq_path {
1370	my ($self) = @_;	1846	my ($self) = @_;
1371		1847
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1849	"$UNIQUEDIR/$path"
1374	}	1850	}
1375		1851
1376	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1377	# all maps in C++...	1853	# all maps in C++...
…		…
1380		1856
1381	$_->change_map_light ($change)	1857	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1858	for grep $_->outdoor, values %cf::MAP;
1383	}	1859	}
1384		1860
		1861	sub decay_objects {
		1862	my ($self) = @_;
		1863
		1864	return if $self->{deny_reset};
		1865
		1866	$self->do_decay_objects;
		1867	}
		1868
1385	sub unlink_save {	1869	sub unlink_save {
1386	my ($self) = @_;	1870	my ($self) = @_;
1387		1871
1388	utf8::encode (my $save = $self->save_path);	1872	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1873	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1876
1393	sub load_header_from($) {	1877	sub load_header_from($) {
1394	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1395		1879
1396	utf8::encode $path;	1880	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1882	or return;
		1883
		1884	$self->_load_header ($f)
		1885	or return;
		1886
		1887	local $MAP_LOADING{$self->{path}} = $self;
		1888	$f->resolve_delayed_derefs;
1402		1889
1403	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1404		1891
1405	1	1892	1
1406	}	1893	}
…		…
1445	$self->load_header_orig	1932	$self->load_header_orig
1446	or return;	1933	or return;
1447	$self->prepare_orig;	1934	$self->prepare_orig;
1448	}	1935	}
1449		1936
		1937	$self->{deny_reset} = 1
		1938	if $self->no_reset;
		1939
1450	$self->default_region (cf::region::find_by_path $self->{path})	1940	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1941	unless $self->default_region;
1452		1942
1453	1	1943	1
1454	}	1944	}
…		…
1457	sub find {	1947	sub find {
1458	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1459		1949
1460	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1461		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1463		1954
1464	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1465	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1466	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1467	or return;	1960	or return;
1468		1961
1469	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1470		1963
1471	$map->load_header	1964	$map->load_header
1472	or return;	1965	or return;
1473		1966
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1477	$map->reset;	1972	$map->reset;
1478	undef $guard;
1479	return find $path;	1973	return find $path;
1480	}	1974	}
1481		1975
1482	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1483	}	1977	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1493		1987
1494	my $path = $self->{path};	1988	my $path = $self->{path};
1495		1989
1496	{	1990	{
1497	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1498		1992
		1993	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		1995
1501	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1502		1997
1503	$self->alloc;	1998	$self->alloc;
1504		1999
1505	$self->pre_load;	2000	$self->pre_load;
1506	Coro::cede;	2001	cf::cede_to_tick;
1507		2002
		2003	my $f = new_from_file cf::object::thawer $self->{load_path};
		2004	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	2005	$self->_load_objects ($f)
1509	or return;	2006	or return;
1510		2007
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1512	if delete $self->{load_original};	2009	if delete $self->{load_original};
1513		2010
1514	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2012	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2015	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1519	}	2019	}
1520	}	2020	}
1521		2021
1522	Coro::cede;	2022	$f->resolve_delayed_derefs;
		2023
		2024	cf::cede_to_tick;
1523	# now do the right thing for maps	2025	# now do the right thing for maps
1524	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2028	unless $self->difficulty;
1527	Coro::cede;	2029	cf::cede_to_tick;
1528		2030
1529	unless ($self->{deny_activate}) {	2031	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2032	$self->decay_objects;
1531	$self->fix_auto_apply;	2033	$self->fix_auto_apply;
1532	$self->update_buttons;	2034	$self->update_buttons;
1533	Coro::cede;	2035	cf::cede_to_tick;
1534	$self->set_darkness_map;	2036	$self->set_darkness_map;
1535	Coro::cede;	2037	cf::cede_to_tick;
1536	$self->activate;	2038	$self->activate;
1537	}	2039	}
1538		2040
		2041	$self->{last_save} = $cf::RUNTIME;
		2042	$self->last_access ($cf::RUNTIME);
		2043
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2044	$self->in_memory (cf::MAP_ACTIVE);
1540
1541	undef $guard;
1542	}	2045	}
1543		2046
1544	$self->post_load;	2047	$self->post_load;
1545	}	2048	}
1546		2049
…		…
1548	my ($self, $ob) = @_;	2051	my ($self, $ob) = @_;
1549		2052
1550	return find "~" . $ob->name . "/" . $self->{path}	2053	return find "~" . $ob->name . "/" . $self->{path}
1551	if $self->per_player;	2054	if $self->per_player;
1552		2055
		2056	# return find "?party/" . $ob->name . "/" . $self->{path}
		2057	# if $self->per_party;
		2058
1553	$self	2059	$self
1554	}	2060	}
1555		2061
1556	# find and load all maps in the 3x3 area around a map	2062	# find and load all maps in the 3x3 area around a map
1557	sub load_diag {	2063	sub load_neighbours {
1558	my ($map) = @_;	2064	my ($map) = @_;
1559		2065
1560	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1561		2067
1562	for (0 .. 3) {	2068	for (0 .. 3) {
1563	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1564	or next;	2070	or next;
1565	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1566	or next;	2072	or next;
1567	$neigh->load;	2073	$neigh->load;
1568		2074
		2075	push @neigh,
1569	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1570	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1571	}	2078	}
1572		2079
1573	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1574	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1575	or next;	2083	or next;
1576	$neigh->load;	2084	$neigh->load;
1577	}	2085	}
1578	}	2086	}
1579		2087
…		…
1584	}	2092	}
1585		2093
1586	sub do_load_sync {	2094	sub do_load_sync {
1587	my ($map) = @_;	2095	my ($map) = @_;
1588		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1589	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1590	}	2101	}
1591		2102
1592	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1593	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1594		2105
1595	sub find_async {	2106	sub find_async {
1596	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1597		2108
1598	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1599		2110
1600	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1601	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1602	}	2113	}
1603		2114
1604	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1605	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1606	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1607	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1608	my $map = find $path	2122	if (my $map = find $k) {
1609	or next;
1610	$map->load;	2123	$map->load if $v;
		2124	}
1611		2125
1612	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1613	}	2127	}
1614	}	2128	}
1615	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1616	};	2130	};
1617	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1620	}	2134	}
1621		2135
1622	sub save {	2136	sub save {
1623	my ($self) = @_;	2137	my ($self) = @_;
1624		2138
1625	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1626		2140
1627	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1628		2142
1629	return unless $self->dirty;	2143	return unless $self->dirty;
1630		2144
…		…
1636	return if $self->{deny_save};	2150	return if $self->{deny_save};
1637		2151
1638	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1639		2153
1640	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1641	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1642	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1643		2160
1644	if ($uniq) {	2161	if ($uniq) {
1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1646	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1647	} else {	2164	} else {
…		…
1653	my ($self) = @_;	2170	my ($self) = @_;
1654		2171
1655	# save first because save cedes	2172	# save first because save cedes
1656	$self->save;	2173	$self->save;
1657		2174
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2176
1660	return if $self->players;	2177	return if $self->players;
1661	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1662	return if $self->{deny_save};	2179	return if $self->{deny_save};
1663		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1664	$self->clear;	2185	$self->clear;
1665	$self->in_memory (cf::MAP_SWAPPED);
1666	}	2186	}
1667		2187
1668	sub reset_at {	2188	sub reset_at {
1669	my ($self) = @_;	2189	my ($self) = @_;
1670		2190
1671	# TODO: safety, remove and allow resettable per-player maps	2191	# 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};	2192	return 1e99 if $self->{deny_reset};
1674		2193
1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1676	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2195	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1677		2196
…		…
1688	my ($self) = @_;	2207	my ($self) = @_;
1689		2208
1690	my $lock = cf::lock_acquire "map_data:$self->{path}";	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1691		2210
1692	return if $self->players;	2211	return if $self->players;
1693	return if $self->isa ("ext::map_per_player");#d#
1694		2212
1695	warn "resetting map ", $self->path;#d#	2213	warn "resetting map ", $self->path;
1696		2214
1697	$self->in_memory (cf::MAP_SWAPPED);	2215	$self->in_memory (cf::MAP_SWAPPED);
1698		2216
1699	# need to save uniques path	2217	# need to save uniques path
1700	unless ($self->{deny_save}) {	2218	unless ($self->{deny_save}) {
…		…
1704	if $uniq;	2222	if $uniq;
1705	}	2223	}
1706		2224
1707	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1708		2226
		2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1709	$self->clear;	2229	$self->clear;
1710
1711	$_->clear_links_to ($self) for values %cf::MAP;
1712		2230
1713	$self->unlink_save;	2231	$self->unlink_save;
1714	$self->destroy;	2232	$self->destroy;
1715	}	2233	}
1716		2234
1717	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
1718		2236
1719	sub nuke {	2237	sub nuke {
1720	my ($self) = @_;	2238	my ($self) = @_;
1721		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1722	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1723		2244
1724	$self->unlink_save;	2245	$self->unlink_save;
1725		2246
1726	bless $self, "cf::map";	2247	bless $self, "cf::map";
1727	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
1728	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
1729	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
1730	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1731		2252
1732	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
1733		2255
1734	$self->reset; # polite request, might not happen	2256	$self->reset; # polite request, might not happen
		2257	}
		2258
		2259	=item $maps = cf::map::tmp_maps
		2260
		2261	Returns an arrayref with all map paths of currently instantiated and saved
		2262	maps. May block.
		2263
		2264	=cut
		2265
		2266	sub tmp_maps() {
		2267	[
		2268	map {
		2269	utf8::decode $_;
		2270	/\.map$/
		2271	? normalise $_
		2272	: ()
		2273	} @{ aio_readdir $TMPDIR or [] }
		2274	]
		2275	}
		2276
		2277	=item $maps = cf::map::random_maps
		2278
		2279	Returns an arrayref with all map paths of currently instantiated and saved
		2280	random maps. May block.
		2281
		2282	=cut
		2283
		2284	sub random_maps() {
		2285	[
		2286	map {
		2287	utf8::decode $_;
		2288	/\.map$/
		2289	? normalise "?random/$_"
		2290	: ()
		2291	} @{ aio_readdir $RANDOMDIR or [] }
		2292	]
1735	}	2293	}
1736		2294
1737	=item cf::map::unique_maps	2295	=item cf::map::unique_maps
1738		2296
1739	Returns an arrayref of paths of all shared maps that have	2297	Returns an arrayref of paths of all shared maps that have
1740	instantiated unique items. May block.	2298	instantiated unique items. May block.
1741		2299
1742	=cut	2300	=cut
1743		2301
1744	sub unique_maps() {	2302	sub unique_maps() {
1745	my $files = aio_readdir $UNIQUEDIR	2303	[
1746	or return;	2304	map {
1747
1748	my @paths;
1749
1750	for (@$files) {
1751	utf8::decode $_;	2305	utf8::decode $_;
1752	next if /\.pst$/;	2306	s/\.map$//; # TODO future compatibility hack
1753	next unless /^$PATH_SEP/o;	2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1754		2308	? ()
1755	push @paths, cf::map::normalise $_;	2309	: normalise $_
		2310	} @{ aio_readdir $UNIQUEDIR or [] }
1756	}	2311	]
1757
1758	\@paths
1759	}	2312	}
1760
1761	package cf;
1762		2313
1763	=back	2314	=back
1764		2315
1765	=head3 cf::object	2316	=head3 cf::object
1766		2317
…		…
1770		2321
1771	=over 4	2322	=over 4
1772		2323
1773	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
1774		2325
1775	Returns the inventory of the object _and_ their inventories, recursively.	2326	Returns the inventory of the object I<and> their inventories, recursively,
		2327	but I<not> the object itself.
1776		2328
1777	=cut	2329	=cut
1778		2330
1779	sub inv_recursive_;	2331	sub inv_recursive_;
1780	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
1783		2335
1784	sub inv_recursive {	2336	sub inv_recursive {
1785	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
1786	}	2338	}
1787		2339
		2340	=item $ref = $ob->ref
		2341
		2342	Creates and returns a persistent reference to an object that can be stored as a string.
		2343
		2344	=item $ob = cf::object::deref ($refstring)
		2345
		2346	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2347	even if the object actually exists. May block.
		2348
		2349	=cut
		2350
		2351	sub deref {
		2352	my ($ref) = @_;
		2353
		2354	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2355	my ($uuid, $name) = ($1, $2);
		2356	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2357	or return;
		2358	$pl->ob->uuid eq $uuid
		2359	or return;
		2360
		2361	$pl->ob
		2362	} else {
		2363	warn "$ref: cannot resolve object reference\n";
		2364	undef
		2365	}
		2366	}
		2367
1788	package cf;	2368	package cf;
1789		2369
1790	=back	2370	=back
1791		2371
1792	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
1798	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2378	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1799	can be C<undef>. Does the right thing when the player is currently in a	2379	can be C<undef>. Does the right thing when the player is currently in a
1800	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
1801		2381
1802	=cut	2382	=cut
		2383
		2384	our $SAY_CHANNEL = {
		2385	id => "say",
		2386	title => "Map",
		2387	reply => "say ",
		2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2389	};
		2390
		2391	our $CHAT_CHANNEL = {
		2392	id => "chat",
		2393	title => "Chat",
		2394	reply => "chat ",
		2395	tooltip => "Player chat and shouts, global to the server.",
		2396	};
1803		2397
1804	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
1805	# with dialog boxes.	2399	# with dialog boxes.
1806	#TODO: the first argument must go, split into a $npc->reply_to ( method	2400	#TODO: the first argument must go, split into a $npc->reply_to ( method
1807	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
1809		2403
1810	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2404	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1811		2405
1812	if ($self->{record_replies}) {	2406	if ($self->{record_replies}) {
1813	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2407	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2408
1814	} else {	2409	} else {
		2410	my $pl = $self->contr;
		2411
		2412	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2413	my $dialog = $pl->{npc_dialog};
		2414	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2415
		2416	} else {
1815	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
1816	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2419	}
1817	}	2420	}
		2421	}
		2422
		2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2424
		2425	=cut
		2426
		2427	sub cf::object::send_msg {
		2428	my $pl = shift->contr
		2429	or return;
		2430	$pl->send_msg (@_);
1818	}	2431	}
1819		2432
1820	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
1821		2434
1822	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
1835		2448
1836	=item $player_object->enter_link	2449	=item $player_object->enter_link
1837		2450
1838	Freezes the player and moves him/her to a special map (C<{link}>).	2451	Freezes the player and moves him/her to a special map (C<{link}>).
1839		2452
1840	The player should be reasonably safe there for short amounts of time. You	2453	The player should be reasonably safe there for short amounts of time (e.g.
1841	I<MUST> call C<leave_link> as soon as possible, though.	2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2455	though, as the palyer cannot control the character while it is on the link
		2456	map.
1842		2457
1843	Will never block.	2458	Will never block.
1844		2459
1845	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
1846		2461
…		…
1869	$self->deactivate_recursive;	2484	$self->deactivate_recursive;
1870		2485
1871	return if UNIVERSAL::isa $self->map, "ext::map_link";	2486	return if UNIVERSAL::isa $self->map, "ext::map_link";
1872		2487
1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1874	if $self->map;	2489	if $self->map && $self->map->{path} ne "{link}";
1875		2490
1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2491	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1877	}	2492	}
1878		2493
1879	sub cf::object::player::leave_link {	2494	sub cf::object::player::leave_link {
1880	my ($self, $map, $x, $y) = @_;	2495	my ($self, $map, $x, $y) = @_;
		2496
		2497	return unless $self->contr->active;
1881		2498
1882	my $link_pos = delete $self->{_link_pos};	2499	my $link_pos = delete $self->{_link_pos};
1883		2500
1884	unless ($map) {	2501	unless ($map) {
1885	# restore original map position	2502	# restore original map position
…		…
1899	# use -1 or undef as default coordinates, not 0, 0	2516	# use -1 or undef as default coordinates, not 0, 0
1900	($x, $y) = ($map->enter_x, $map->enter_y)	2517	($x, $y) = ($map->enter_x, $map->enter_y)
1901	if $x <=0 && $y <= 0;	2518	if $x <=0 && $y <= 0;
1902		2519
1903	$map->load;	2520	$map->load;
1904	$map->load_diag;	2521	$map->load_neighbours;
1905		2522
1906	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1907	$self->activate_recursive;	2525	$self->activate_recursive;
1908		2526
1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1910	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1911	}	2529	}
1912		2530
1913	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1914	on_logout => sub {
1915	my ($pl) = @_;
1916		2532
1917	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1918	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1919	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1920	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1921	};	2537	be called at the end of this process.
1922	}
1923	},
1924	on_login => sub {
1925	my ($pl) = @_;
1926		2538
1927	# try to abort aborted map switching on player login :)	2539	Note that $check will be called with a potentially non-loaded map, so if
1928	# should happen only on crashes	2540	it needs a loaded map it has to call C<< ->load >>.
1929	if ($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		2541
1945	=item $player_object->goto ($path, $x, $y)
1946
1947	=cut	2542	=cut
		2543
		2544	our $GOTOGEN;
1948		2545
1949	sub cf::object::player::goto {	2546	sub cf::object::player::goto {
1950	my ($self, $path, $x, $y) = @_;	2547	my ($self, $path, $x, $y, $check, $done) = @_;
		2548
		2549	# do generation counting so two concurrent goto's will be executed in-order
		2550	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1951		2551
1952	$self->enter_link;	2552	$self->enter_link;
1953		2553
1954	(async {	2554	(async {
		2555	$Coro::current->{desc} = "player::goto $path $x $y";
		2556
		2557	# *tag paths override both path and x|y
		2558	if ($path =~ /^\*(.*)$/) {
		2559	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2560	my $ob = $obs[rand @obs];
		2561
		2562	# see if we actually can go there
		2563	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2564	$ob = $obs[rand @obs];
		2565	} else {
		2566	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2567	}
		2568	# else put us there anyways for now #d#
		2569
		2570	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2571	} else {
		2572	($path, $x, $y) = (undef, undef, undef);
		2573	}
		2574	}
		2575
1955	my $map = eval {	2576	my $map = eval {
1956	my $map = cf::map::find $path;	2577	my $map = defined $path ? cf::map::find $path : undef;
		2578
		2579	if ($map) {
1957	$map = $map->customise_for ($self) if $map;	2580	$map = $map->customise_for ($self);
		2581	$map = $check->($map) if $check && $map;
		2582	} else {
		2583	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2584	}
		2585
1958	$map	2586	$map
		2587	};
		2588
		2589	if ($@) {
		2590	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2591	LOG llevError | logBacktrace, Carp::longmess $@;
1959	} or	2592	}
1960	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1961		2593
		2594	if ($gen == $self->{_goto_generation}) {
		2595	delete $self->{_goto_generation};
1962	$self->leave_link ($map, $x, $y);	2596	$self->leave_link ($map, $x, $y);
		2597	}
		2598
		2599	$done->() if $done;
1963	})->prio (1);	2600	})->prio (1);
1964	}	2601	}
1965		2602
1966	=item $player_object->enter_exit ($exit_object)	2603	=item $player_object->enter_exit ($exit_object)
1967		2604
…		…
1987	}	2624	}
1988		2625
1989	sub prepare_random_map {	2626	sub prepare_random_map {
1990	my ($exit) = @_;	2627	my ($exit) = @_;
1991		2628
1992	my $guard = cf::lock_acquire "exit_prepare:$exit";
1993
1994	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
1995	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
1996	# that depends on the exit object	2631	# that depends on the exit object
1997		2632
1998	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
2000	if ($exit->map) {	2635	if ($exit->map) {
2001	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
2002	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
2003	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
2004	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
2005	}	2642	}
2006		2643
2007	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
2008		2645
2009	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2010	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
2011	my $meta = "$RANDOMDIR/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
2012		2649
2013	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2014	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
2015	undef $fh;	2652	undef $fh;
2016	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
2017		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
2018	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
2019	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
2020	}	2661	}
2021	}	2662	}
2022		2663
2023	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
2024	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
2025		2666
2026	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
2027		2668
2028	if ($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;	2669	$self->enter_link;
2040		2670
2041	(async {	2671	(async {
2042	$self->deactivate_recursive; # just to be sure	2672	$Coro::current->{desc} = "enter_exit";
		2673
2043	unless (eval {	2674	unless (eval {
		2675	$self->deactivate_recursive; # just to be sure
		2676
		2677	# random map handling
		2678	{
		2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2680
		2681	prepare_random_map $exit
		2682	if $exit->slaying eq "/!";
		2683	}
		2684
		2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2686	my $x = $exit->stats->hp;
		2687	my $y = $exit->stats->sp;
		2688
2044	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
2045		2690
		2691	# if exit is damned, update players death & WoR home-position
		2692	$self->contr->savebed ($map, $x, $y)
		2693	if $exit->flag (cf::FLAG_DAMNED);
		2694
2046	1;	2695	1
2047	}) {	2696	}) {
2048	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the deliantra server. "
2049	. "I'll try to bring you back to the map you were before. "	2698	. "I'll try to bring you back to the map you were before. "
2050	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
2051	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
2052		2701
2053	warn "ERROR in enter_exit: $@";	2702	warn "ERROR in enter_exit: $@";
…		…
2072		2721
2073	utf8::encode $text;	2722	utf8::encode $text;
2074	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2075	}	2724	}
2076		2725
		2726	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2727
		2728	Send a drawinfo or msg packet to the client, formatting the msg for the
		2729	client if neccessary. C<$type> should be a string identifying the type of
		2730	the message, with C<log> being the default. If C<$color> is negative, suppress
		2731	the message unless the client supports the msg packet.
		2732
		2733	=cut
		2734
		2735	# non-persistent channels (usually the info channel)
		2736	our %CHANNEL = (
		2737	"c/identify" => {
		2738	id => "infobox",
		2739	title => "Identify",
		2740	reply => undef,
		2741	tooltip => "Items recently identified",
		2742	},
		2743	"c/examine" => {
		2744	id => "infobox",
		2745	title => "Examine",
		2746	reply => undef,
		2747	tooltip => "Signs and other items you examined",
		2748	},
		2749	"c/book" => {
		2750	id => "infobox",
		2751	title => "Book",
		2752	reply => undef,
		2753	tooltip => "The contents of a note or book",
		2754	},
		2755	"c/lookat" => {
		2756	id => "infobox",
		2757	title => "Look",
		2758	reply => undef,
		2759	tooltip => "What you saw there",
		2760	},
		2761	"c/who" => {
		2762	id => "infobox",
		2763	title => "Players",
		2764	reply => undef,
		2765	tooltip => "Shows players who are currently online",
		2766	},
		2767	"c/body" => {
		2768	id => "infobox",
		2769	title => "Body Parts",
		2770	reply => undef,
		2771	tooltip => "Shows which body parts you posess and are available",
		2772	},
		2773	"c/uptime" => {
		2774	id => "infobox",
		2775	title => "Uptime",
		2776	reply => undef,
		2777	tooltip => "How long the server has been running since last restart",
		2778	},
		2779	"c/mapinfo" => {
		2780	id => "infobox",
		2781	title => "Map Info",
		2782	reply => undef,
		2783	tooltip => "Information related to the maps",
		2784	},
		2785	"c/party" => {
		2786	id => "party",
		2787	title => "Party",
		2788	reply => "gsay ",
		2789	tooltip => "Messages and chat related to your party",
		2790	},
		2791	);
		2792
		2793	sub cf::client::send_msg {
		2794	my ($self, $channel, $msg, $color, @extra) = @_;
		2795
		2796	$msg = $self->pl->expand_cfpod ($msg)
		2797	unless $color & cf::NDI_VERBATIM;
		2798
		2799	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2800
		2801	# check predefined channels, for the benefit of C
		2802	if ($CHANNEL{$channel}) {
		2803	$channel = $CHANNEL{$channel};
		2804
		2805	$self->ext_msg (channel_info => $channel)
		2806	if $self->can_msg;
		2807
		2808	$channel = $channel->{id};
		2809
		2810	} elsif (ref $channel) {
		2811	# send meta info to client, if not yet sent
		2812	unless (exists $self->{channel}{$channel->{id}}) {
		2813	$self->{channel}{$channel->{id}} = $channel;
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816	}
		2817
		2818	$channel = $channel->{id};
		2819	}
		2820
		2821	return unless @extra || length $msg;
		2822
		2823	if ($self->can_msg) {
		2824	# default colour, mask it out
		2825	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2826	if $color & cf::NDI_DEF;
		2827
		2828	my $pkt = "msg "
		2829	. $self->{json_coder}->encode (
		2830	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2831	);
		2832
		2833	# try lzf for large packets
		2834	$pkt = "lzf " . Compress::LZF::compress $pkt
		2835	if 1024 <= length $pkt and $self->{can_lzf};
		2836
		2837	# split very large packets
		2838	if (8192 < length $pkt and $self->{can_lzf}) {
		2839	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2840	$pkt = "frag";
		2841	}
		2842
		2843	$self->send_packet ($pkt);
		2844	} else {
		2845	if ($color >= 0) {
		2846	# replace some tags by gcfclient-compatible ones
		2847	for ($msg) {
		2848	1 while
		2849	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2850	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2851	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2852	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2853	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2854	}
		2855
		2856	$color &= cf::NDI_COLOR_MASK;
		2857
		2858	utf8::encode $msg;
		2859
		2860	if (0 && $msg =~ /\[/) {
		2861	# COMMAND/INFO
		2862	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2863	} else {
		2864	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2865	$self->send_packet ("drawinfo $color $msg")
		2866	}
		2867	}
		2868	}
		2869	}
		2870
2077	=item $client->ext_event ($type, %msg)	2871	=item $client->ext_msg ($type, @msg)
2078		2872
2079	Sends an exti event to the client.	2873	Sends an ext event to the client.
2080		2874
2081	=cut	2875	=cut
2082		2876
2083	sub cf::client::ext_event($$%) {	2877	sub cf::client::ext_msg($$@) {
2084	my ($self, $type, %msg) = @_;	2878	my ($self, $type, @msg) = @_;
2085		2879
		2880	if ($self->extcmd == 2) {
		2881	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2882	} elsif ($self->extcmd == 1) { # TODO: remove
2086	$msg{msgtype} = "event_$type";	2883	push @msg, msgtype => "event_$type";
2087	$self->send_packet ("ext " . cf::to_json \%msg);	2884	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2885	}
		2886	}
		2887
		2888	=item $client->ext_reply ($msgid, @msg)
		2889
		2890	Sends an ext reply to the client.
		2891
		2892	=cut
		2893
		2894	sub cf::client::ext_reply($$@) {
		2895	my ($self, $id, @msg) = @_;
		2896
		2897	if ($self->extcmd == 2) {
		2898	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2899	} elsif ($self->extcmd == 1) {
		2900	#TODO: version 1, remove
		2901	unshift @msg, msgtype => "reply", msgid => $id;
		2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2903	}
2088	}	2904	}
2089		2905
2090	=item $success = $client->query ($flags, "text", \&cb)	2906	=item $success = $client->query ($flags, "text", \&cb)
2091		2907
2092	Queues a query to the client, calling the given callback with	2908	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>,	2909	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>.	2910	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2095		2911
2096	Queries can fail, so check the return code. Or don't, as queries will become	2912	Queries can fail, so check the return code. Or don't, as queries will
2097	reliable at some point in the future.	2913	become reliable at some point in the future.
2098		2914
2099	=cut	2915	=cut
2100		2916
2101	sub cf::client::query {	2917	sub cf::client::query {
2102	my ($self, $flags, $text, $cb) = @_;	2918	my ($self, $flags, $text, $cb) = @_;
…		…
2110	utf8::encode $text;	2926	utf8::encode $text;
2111	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2927	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2112		2928
2113	$self->send_packet ($self->{query_queue}[0][0])	2929	$self->send_packet ($self->{query_queue}[0][0])
2114	if @{ $self->{query_queue} } == 1;	2930	if @{ $self->{query_queue} } == 1;
		2931
		2932	1
2115	}	2933	}
2116		2934
2117	cf::client->attach (	2935	cf::client->attach (
		2936	on_connect => sub {
		2937	my ($ns) = @_;
		2938
		2939	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2940	},
2118	on_reply => sub {	2941	on_reply => sub {
2119	my ($ns, $msg) = @_;	2942	my ($ns, $msg) = @_;
2120		2943
2121	# this weird shuffling is so that direct followup queries	2944	# this weird shuffling is so that direct followup queries
2122	# get handled first	2945	# get handled first
…		…
2134	} else {	2957	} else {
2135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2958	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2136	}	2959	}
2137	}	2960	}
2138	},	2961	},
		2962	on_exticmd => sub {
		2963	my ($ns, $buf) = @_;
		2964
		2965	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2966
		2967	if (ref $msg) {
		2968	my ($type, $reply, @payload) =
		2969	"ARRAY" eq ref $msg
		2970	? @$msg
		2971	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2972
		2973	my @reply;
		2974
		2975	if (my $cb = $EXTICMD{$type}) {
		2976	@reply = $cb->($ns, @payload);
		2977	}
		2978
		2979	$ns->ext_reply ($reply, @reply)
		2980	if $reply;
		2981
		2982	} else {
		2983	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2984	}
		2985
		2986	cf::override;
		2987	},
2139	);	2988	);
2140		2989
2141	=item $client->async (\&cb)	2990	=item $client->async (\&cb)
2142		2991
2143	Create a new coroutine, running the specified callback. The coroutine will	2992	Create a new coroutine, running the specified callback. The coroutine will
…		…
2184	our $safe = new Safe "safe";	3033	our $safe = new Safe "safe";
2185	our $safe_hole = new Safe::Hole;	3034	our $safe_hole = new Safe::Hole;
2186		3035
2187	$SIG{FPE} = 'IGNORE';	3036	$SIG{FPE} = 'IGNORE';
2188		3037
2189	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3038	$safe->permit_only (Opcode::opset qw(
		3039	:base_core :base_mem :base_orig :base_math
		3040	grepstart grepwhile mapstart mapwhile
		3041	sort time
		3042	));
2190		3043
2191	# here we export the classes and methods available to script code	3044	# here we export the classes and methods available to script code
2192		3045
2193	=pod	3046	=pod
2194		3047
2195	The following functions and methods are available within a safe environment:	3048	The following functions and methods are available within a safe environment:
2196		3049
2197	cf::object contr pay_amount pay_player map	3050	cf::object
		3051	contr pay_amount pay_player map x y force_find force_add destroy
		3052	insert remove name archname title slaying race decrease split
		3053
2198	cf::object::player player	3054	cf::object::player
2199	cf::player peaceful	3055	player
2200	cf::map trigger	3056
		3057	cf::player
		3058	peaceful
		3059
		3060	cf::map
		3061	trigger
2201		3062
2202	=cut	3063	=cut
2203		3064
2204	for (	3065	for (
2205	["cf::object" => qw(contr pay_amount pay_player map)],	3066	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3067	insert remove inv nrof name archname title slaying race
		3068	decrease split destroy change_exp)],
2206	["cf::object::player" => qw(player)],	3069	["cf::object::player" => qw(player)],
2207	["cf::player" => qw(peaceful)],	3070	["cf::player" => qw(peaceful)],
2208	["cf::map" => qw(trigger)],	3071	["cf::map" => qw(trigger)],
2209	) {	3072	) {
2210	no strict 'refs';	3073	no strict 'refs';
…		…
2281	=back	3144	=back
2282		3145
2283	=cut	3146	=cut
2284		3147
2285	#############################################################################	3148	#############################################################################
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 $@;
2452	_exit 0;
2453	}
2454	}
2455
2456
2457
2458	#############################################################################
2459	# the server's init and main functions	3149	# the server's init and main functions
2460		3150
2461	sub load_facedata($) {	3151	sub load_facedata($) {
2462	my ($path) = @_;	3152	my ($path) = @_;
		3153
		3154	# HACK to clear player env face cache, we need some signal framework
		3155	# for this (global event?)
		3156	%ext::player_env::MUSIC_FACE_CACHE = ();
		3157
		3158	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2463		3159
2464	warn "loading facedata from $path\n";	3160	warn "loading facedata from $path\n";
2465		3161
2466	my $facedata;	3162	my $facedata;
2467	0 < aio_load $path, $facedata	3163	0 < aio_load $path, $facedata
…		…
2470	$facedata = Coro::Storable::thaw $facedata;	3166	$facedata = Coro::Storable::thaw $facedata;
2471		3167
2472	$facedata->{version} == 2	3168	$facedata->{version} == 2
2473	or cf::cleanup "$path: version mismatch, cannot proceed.";	3169	or cf::cleanup "$path: version mismatch, cannot proceed.";
2474		3170
		3171	# patch in the exptable
		3172	$facedata->{resource}{"res/exp_table"} = {
		3173	type => FT_RSRC,
		3174	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3175	};
		3176	cf::cede_to_tick;
		3177
2475	{	3178	{
2476	my $faces = $facedata->{faceinfo};	3179	my $faces = $facedata->{faceinfo};
2477		3180
2478	while (my ($face, $info) = each %$faces) {	3181	while (my ($face, $info) = each %$faces) {
2479	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3182	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3183
2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3184	cf::face::set_visibility $idx, $info->{visibility};
		3185	cf::face::set_magicmap $idx, $info->{magicmap};
2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3186	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3187	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2483	Coro::cede;	3188
		3189	cf::cede_to_tick;
2484	}	3190	}
2485		3191
2486	while (my ($face, $info) = each %$faces) {	3192	while (my ($face, $info) = each %$faces) {
2487	next unless $info->{smooth};	3193	next unless $info->{smooth};
		3194
2488	my $idx = cf::face::find $face	3195	my $idx = cf::face::find $face
2489	or next;	3196	or next;
		3197
2490	if (my $smooth = cf::face::find $info->{smooth}) {	3198	if (my $smooth = cf::face::find $info->{smooth}) {
		3199	cf::face::set_smooth $idx, $smooth;
2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3200	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2492	} else {	3201	} else {
2493	warn "smooth face '$info->{smooth}' not found for face '$face'";	3202	warn "smooth face '$info->{smooth}' not found for face '$face'";
2494	}	3203	}
2495	Coro::cede;	3204
		3205	cf::cede_to_tick;
2496	}	3206	}
2497	}	3207	}
2498		3208
2499	{	3209	{
2500	my $anims = $facedata->{animinfo};	3210	my $anims = $facedata->{animinfo};
2501		3211
2502	while (my ($anim, $info) = each %$anims) {	3212	while (my ($anim, $info) = each %$anims) {
2503	cf::anim::set $anim, $info->{frames}, $info->{facings};	3213	cf::anim::set $anim, $info->{frames}, $info->{facings};
2504	Coro::cede;	3214	cf::cede_to_tick;
2505	}	3215	}
2506		3216
2507	cf::anim::invalidate_all; # d'oh	3217	cf::anim::invalidate_all; # d'oh
2508	}	3218	}
2509		3219
		3220	{
		3221	# TODO: for gcfclient pleasure, we should give resources
		3222	# that gcfclient doesn't grok a >10000 face index.
		3223	my $res = $facedata->{resource};
		3224
		3225	while (my ($name, $info) = each %$res) {
		3226	if (defined $info->{type}) {
		3227	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3228	my $data;
		3229
		3230	if ($info->{type} & 1) {
		3231	# prepend meta info
		3232
		3233	my $meta = $enc->encode ({
		3234	name => $name,
		3235	%{ $info->{meta} || {} },
		3236	});
		3237
		3238	$data = pack "(w/a*)*", $meta, $info->{data};
		3239	} else {
		3240	$data = $info->{data};
		3241	}
		3242
		3243	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3244	cf::face::set_type $idx, $info->{type};
		3245	} else {
		3246	$RESOURCE{$name} = $info;
		3247	}
		3248
		3249	cf::cede_to_tick;
		3250	}
		3251	}
		3252
		3253	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3254
2510	1	3255	1
2511	}	3256	}
2512		3257
		3258	cf::global->attach (on_resource_update => sub {
		3259	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3260	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3261
		3262	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3263	my $sound = $soundconf->{compat}[$_]
		3264	or next;
		3265
		3266	my $face = cf::face::find "sound/$sound->[1]";
		3267	cf::sound::set $sound->[0] => $face;
		3268	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3269	}
		3270
		3271	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3272	my $face = cf::face::find "sound/$v";
		3273	cf::sound::set $k => $face;
		3274	}
		3275	}
		3276	});
		3277
		3278	register_exticmd fx_want => sub {
		3279	my ($ns, $want) = @_;
		3280
		3281	while (my ($k, $v) = each %$want) {
		3282	$ns->fx_want ($k, $v);
		3283	}
		3284	};
		3285
		3286	sub load_resource_file($) {
		3287	my $guard = lock_acquire "load_resource_file";
		3288
		3289	my $status = load_resource_file_ $_[0];
		3290	get_slot 0.1, 100;
		3291	cf::arch::commit_load;
		3292
		3293	$status
		3294	}
		3295
2513	sub reload_regions {	3296	sub reload_regions {
		3297	# HACK to clear player env face cache, we need some signal framework
		3298	# for this (global event?)
		3299	%ext::player_env::MUSIC_FACE_CACHE = ();
		3300
2514	load_resource_file "$MAPDIR/regions"	3301	load_resource_file "$MAPDIR/regions"
2515	or die "unable to load regions file\n";	3302	or die "unable to load regions file\n";
		3303
		3304	for (cf::region::list) {
		3305	$_->{match} = qr/$_->{match}/
		3306	if exists $_->{match};
		3307	}
2516	}	3308	}
2517		3309
2518	sub reload_facedata {	3310	sub reload_facedata {
2519	load_facedata "$DATADIR/facedata"	3311	load_facedata "$DATADIR/facedata"
2520	or die "unable to load facedata\n";	3312	or die "unable to load facedata\n";
…		…
2531	}	3323	}
2532		3324
2533	sub reload_resources {	3325	sub reload_resources {
2534	warn "reloading resource files...\n";	3326	warn "reloading resource files...\n";
2535		3327
2536	reload_regions;
2537	reload_facedata;	3328	reload_facedata;
2538	reload_archetypes;	3329	reload_archetypes;
		3330	reload_regions;
2539	reload_treasures;	3331	reload_treasures;
2540		3332
2541	warn "finished reloading resource files\n";	3333	warn "finished reloading resource files\n";
2542	}	3334	}
2543		3335
2544	sub init {	3336	sub init {
		3337	my $guard = freeze_mainloop;
		3338
		3339	evthread_start IO::AIO::poll_fileno;
		3340
2545	reload_resources;	3341	reload_resources;
2546	}	3342	}
2547		3343
2548	sub cfg_load {	3344	sub reload_config {
2549	open my $fh, "<:utf8", "$CONFDIR/config"	3345	open my $fh, "<:utf8", "$CONFDIR/config"
2550	or return;	3346	or return;
2551		3347
2552	local $/;	3348	local $/;
2553	*CFG = YAML::Syck::Load <$fh>;	3349	*CFG = YAML::Load <$fh>;
2554		3350
2555	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3351	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2556		3352
2557	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3353	$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};	3354	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2564	};	3360	};
2565	warn $@ if $@;	3361	warn $@ if $@;
2566	}	3362	}
2567	}	3363	}
2568		3364
		3365	sub pidfile() {
		3366	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3367	or die "$PIDFILE: $!";
		3368	flock $fh, &Fcntl::LOCK_EX
		3369	or die "$PIDFILE: flock: $!";
		3370	$fh
		3371	}
		3372
		3373	# make sure only one server instance is running at any one time
		3374	sub atomic {
		3375	my $fh = pidfile;
		3376
		3377	my $pid = <$fh>;
		3378	kill 9, $pid if $pid > 0;
		3379
		3380	seek $fh, 0, 0;
		3381	print $fh $$;
		3382	}
		3383
2569	sub main {	3384	sub main {
		3385	atomic;
		3386
2570	# we must not ever block the main coroutine	3387	# we must not ever block the main coroutine
2571	local $Coro::idle = sub {	3388	local $Coro::idle = sub {
2572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3389	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2573	(async {	3390	(async {
2574	Event::one_event;	3391	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3392	EV::loop EV::LOOP_ONESHOT;
2575	})->prio (Coro::PRIO_MAX);	3393	})->prio (Coro::PRIO_MAX);
2576	};	3394	};
2577		3395
2578	cfg_load;	3396	{
		3397	my $guard = freeze_mainloop;
		3398	reload_config;
2579	db_init;	3399	db_init;
2580	load_extensions;	3400	load_extensions;
2581		3401
2582	$TICK_WATCHER->start;	3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3403	}
		3404
		3405	utime time, time, $RUNTIMEFILE;
		3406
		3407	# no (long-running) fork's whatsoever before this point(!)
		3408	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3409
2583	Event::loop;	3410	EV::loop;
2584	}	3411	}
2585		3412
2586	#############################################################################	3413	#############################################################################
2587	# initialisation and cleanup	3414	# initialisation and cleanup
2588		3415
2589	# install some emergency cleanup handlers	3416	# install some emergency cleanup handlers
2590	BEGIN {	3417	BEGIN {
		3418	our %SIGWATCHER = ();
2591	for my $signal (qw(INT HUP TERM)) {	3419	for my $signal (qw(INT HUP TERM)) {
2592	Event->signal (	3420	$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";	3421	cf::cleanup "SIG$signal";
2599	},
2600	);	3422	};
		3423	}
		3424	}
		3425
		3426	sub write_runtime_sync {
		3427	# first touch the runtime file to show we are still running:
		3428	# the fsync below can take a very very long time.
		3429
		3430	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3431
		3432	my $guard = cf::lock_acquire "write_runtime";
		3433
		3434	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3435	or return;
		3436
		3437	my $value = $cf::RUNTIME + 90 + 10;
		3438	# 10 is the runtime save interval, for a monotonic clock
		3439	# 60 allows for the watchdog to kill the server.
		3440
		3441	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3442	and return;
		3443
		3444	# always fsync - this file is important
		3445	aio_fsync $fh
		3446	and return;
		3447
		3448	# touch it again to show we are up-to-date
		3449	aio_utime $fh, undef, undef;
		3450
		3451	close $fh
		3452	or return;
		3453
		3454	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3455	and return;
		3456
		3457	warn "runtime file written.\n";
		3458
2601	}	3459	1
		3460	}
		3461
		3462	our $uuid_lock;
		3463	our $uuid_skip;
		3464
		3465	sub write_uuid_sync($) {
		3466	$uuid_skip ||= $_[0];
		3467
		3468	return if $uuid_lock;
		3469	local $uuid_lock = 1;
		3470
		3471	my $uuid = "$LOCALDIR/uuid";
		3472
		3473	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3474	or return;
		3475
		3476	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3477	$uuid_skip = 0;
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	close $fh
		3487	or return;
		3488
		3489	aio_rename "$uuid~", $uuid
		3490	and return;
		3491
		3492	warn "uuid file written ($value).\n";
		3493
		3494	1
		3495
		3496	}
		3497
		3498	sub write_uuid($$) {
		3499	my ($skip, $sync) = @_;
		3500
		3501	$sync ? write_uuid_sync $skip
		3502	: async { write_uuid_sync $skip };
2602	}	3503	}
2603		3504
2604	sub emergency_save() {	3505	sub emergency_save() {
2605	my $freeze_guard = cf::freeze_mainloop;	3506	my $freeze_guard = cf::freeze_mainloop;
2606		3507
…		…
2612	# and maps saved/destroyed asynchronously.	3513	# and maps saved/destroyed asynchronously.
2613	warn "begin emergency player save\n";	3514	warn "begin emergency player save\n";
2614	for my $login (keys %cf::PLAYER) {	3515	for my $login (keys %cf::PLAYER) {
2615	my $pl = $cf::PLAYER{$login} or next;	3516	my $pl = $cf::PLAYER{$login} or next;
2616	$pl->valid or next;	3517	$pl->valid or next;
		3518	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2617	$pl->save;	3519	$pl->save;
2618	}	3520	}
2619	warn "end emergency player save\n";	3521	warn "end emergency player save\n";
2620		3522
2621	warn "begin emergency map save\n";	3523	warn "begin emergency map save\n";
…		…
2627	warn "end emergency map save\n";	3529	warn "end emergency map save\n";
2628		3530
2629	warn "begin emergency database checkpoint\n";	3531	warn "begin emergency database checkpoint\n";
2630	BDB::db_env_txn_checkpoint $DB_ENV;	3532	BDB::db_env_txn_checkpoint $DB_ENV;
2631	warn "end emergency database checkpoint\n";	3533	warn "end emergency database checkpoint\n";
		3534
		3535	warn "begin write uuid\n";
		3536	write_uuid_sync 1;
		3537	warn "end write uuid\n";
2632	};	3538	};
2633		3539
2634	warn "leave emergency perl save\n";	3540	warn "leave emergency perl save\n";
2635	}	3541	}
2636		3542
2637	sub post_cleanup {	3543	sub post_cleanup {
2638	my ($make_core) = @_;	3544	my ($make_core) = @_;
2639		3545
2640	warn Carp::longmess "post_cleanup backtrace"	3546	warn Carp::longmess "post_cleanup backtrace"
2641	if $make_core;	3547	if $make_core;
		3548
		3549	my $fh = pidfile;
		3550	unlink $PIDFILE if <$fh> == $$;
2642	}	3551	}
		3552
		3553	# a safer delete_package, copied from Symbol
		3554	sub clear_package($) {
		3555	my $pkg = shift;
		3556
		3557	# expand to full symbol table name if needed
		3558	unless ($pkg =~ /^main::.*::$/) {
		3559	$pkg = "main$pkg" if $pkg =~ /^::/;
		3560	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3561	$pkg .= '::' unless $pkg =~ /::$/;
		3562	}
		3563
		3564	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3565	my $stem_symtab = *{$stem}{HASH};
		3566
		3567	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3568	or return;
		3569
		3570	# clear all symbols
		3571	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3572	for my $name (keys %$leaf_symtab) {
		3573	_gv_clear *{"$pkg$name"};
		3574	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3575	}
		3576	warn "cleared package #$pkg\n";#d#
		3577	}
		3578
		3579	our $RELOAD; # how many times to reload
2643		3580
2644	sub do_reload_perl() {	3581	sub do_reload_perl() {
2645	# can/must only be called in main	3582	# can/must only be called in main
2646	if ($Coro::current != $Coro::main) {	3583	if ($Coro::current != $Coro::main) {
2647	warn "can only reload from main coroutine";	3584	warn "can only reload from main coroutine";
2648	return;	3585	return;
2649	}	3586	}
2650		3587
		3588	return if $RELOAD++;
		3589
		3590	while ($RELOAD) {
2651	warn "reloading...";	3591	warn "reloading...";
2652		3592
2653	warn "entering sync_job";	3593	warn "entering sync_job";
2654		3594
2655	cf::sync_job {	3595	cf::sync_job {
2656	cf::write_runtime; # external watchdog should not bark	3596	cf::write_runtime_sync; # external watchdog should not bark
2657	cf::emergency_save;	3597	cf::emergency_save;
2658	cf::write_runtime; # external watchdog should not bark	3598	cf::write_runtime_sync; # external watchdog should not bark
2659		3599
2660	warn "syncing database to disk";	3600	warn "syncing database to disk";
2661	BDB::db_env_txn_checkpoint $DB_ENV;	3601	BDB::db_env_txn_checkpoint $DB_ENV;
2662		3602
2663	# if anything goes wrong in here, we should simply crash as we already saved	3603	# if anything goes wrong in here, we should simply crash as we already saved
2664		3604
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";	3605	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;	3606	while (IO::AIO::nreqs || BDB::nreqs) {
2676	warn "iterate...";	3607	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	}	3608	}
2701		3609
2702	warn "... nuking $pkg";	3610	warn "cancelling all extension coros";
2703	Symbol::delete_package $pkg;	3611	$_->cancel for values %EXT_CORO;
2704	}	3612	%EXT_CORO = ();
2705		3613
2706	warn "unloading all perl modules loaded from $LIBDIR";	3614	warn "removing commands";
2707	while (my ($k, $v) = each %INC) {	3615	%COMMAND = ();
2708	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2709		3616
		3617	warn "removing ext/exti commands";
		3618	%EXTCMD = ();
		3619	%EXTICMD = ();
		3620
		3621	warn "unloading/nuking all extensions";
		3622	for my $pkg (@EXTS) {
2710	warn "... unloading $k";	3623	warn "... unloading $pkg";
2711	delete $INC{$k};
2712		3624
2713	$k =~ s/\.pm$//;
2714	$k =~ s/\//::/g;
2715
2716	if (my $cb = $k->can ("unload_module")) {	3625	if (my $cb = $pkg->can ("unload")) {
		3626	eval {
2717	$cb->();	3627	$cb->($pkg);
		3628	1
		3629	} or warn "$pkg unloaded, but with errors: $@";
		3630	}
		3631
		3632	warn "... clearing $pkg";
		3633	clear_package $pkg;
2718	}	3634	}
2719		3635
2720	Symbol::delete_package $k;	3636	warn "unloading all perl modules loaded from $LIBDIR";
		3637	while (my ($k, $v) = each %INC) {
		3638	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3639
		3640	warn "... unloading $k";
		3641	delete $INC{$k};
		3642
		3643	$k =~ s/\.pm$//;
		3644	$k =~ s/\//::/g;
		3645
		3646	if (my $cb = $k->can ("unload_module")) {
		3647	$cb->();
		3648	}
		3649
		3650	clear_package $k;
2721	}	3651	}
2722		3652
2723	warn "getting rid of safe::, as good as possible";	3653	warn "getting rid of safe::, as good as possible";
2724	Symbol::delete_package "safe::$_"	3654	clear_package "safe::$_"
2725	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2726		3656
2727	warn "unloading cf.pm \"a bit\"";	3657	warn "unloading cf.pm \"a bit\"";
2728	delete $INC{"cf.pm"};	3658	delete $INC{"cf.pm"};
2729	delete $INC{"cf/pod.pm"};	3659	delete $INC{"cf/pod.pm"};
2730		3660
2731	# don't, removes xs symbols, too,	3661	# don't, removes xs symbols, too,
2732	# and global variables created in xs	3662	# and global variables created in xs
2733	#Symbol::delete_package __PACKAGE__;	3663	#clear_package __PACKAGE__;
2734		3664
2735	warn "unload completed, starting to reload now";	3665	warn "unload completed, starting to reload now";
2736		3666
2737	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
2738	require cf;	3668	require cf;
2739	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2740		3670
2741	warn "loading config and database again";	3671	warn "loading config and database again";
2742	cf::cfg_load;	3672	cf::reload_config;
2743		3673
2744	warn "loading extensions";	3674	warn "loading extensions";
2745	cf::load_extensions;	3675	cf::load_extensions;
2746		3676
2747	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
2748	_global_reattach; # objects, sockets	3678	_global_reattach; # objects, sockets
2749	warn "reattaching attachments to maps";	3679	warn "reattaching attachments to maps";
2750	reattach $_ for values %MAP;	3680	reattach $_ for values %MAP;
2751	warn "reattaching attachments to players";	3681	warn "reattaching attachments to players";
2752	reattach $_ for values %PLAYER;	3682	reattach $_ for values %PLAYER;
2753		3683
2754	warn "leaving sync_job";	3684	warn "leaving sync_job";
2755		3685
2756	1	3686	1
2757	} or do {	3687	} or do {
2758	warn $@;	3688	warn $@;
2759	warn "error while reloading, exiting.";	3689	cf::cleanup "error while reloading, exiting.";
2760	exit 1;
2761	};	3690	};
2762		3691
2763	warn "reloaded";	3692	warn "reloaded";
		3693	--$RELOAD;
		3694	}
2764	};	3695	};
2765		3696
2766	our $RELOAD_WATCHER; # used only during reload	3697	our $RELOAD_WATCHER; # used only during reload
2767		3698
2768	sub reload_perl() {	3699	sub reload_perl() {
2769	# doing reload synchronously and two reloads happen back-to-back,	3700	# doing reload synchronously and two reloads happen back-to-back,
2770	# coro crashes during coro_state_free->destroy here.	3701	# coro crashes during coro_state_free->destroy here.
2771		3702
2772	$RELOAD_WATCHER ||= Event->timer (	3703	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2773	reentrant => 0,
2774	after => 0,
2775	data => WF_AUTOCANCEL,
2776	cb => sub {
2777	do_reload_perl;	3704	do_reload_perl;
2778	undef $RELOAD_WATCHER;	3705	undef $RELOAD_WATCHER;
2779	},
2780	);	3706	};
2781	}	3707	}
2782		3708
2783	register_command "reload" => sub {	3709	register_command "reload" => sub {
2784	my ($who, $arg) = @_;	3710	my ($who, $arg) = @_;
2785		3711
2786	if ($who->flag (FLAG_WIZ)) {	3712	if ($who->flag (FLAG_WIZ)) {
2787	$who->message ("reloading server.");	3713	$who->message ("reloading server.");
		3714	async {
		3715	$Coro::current->{desc} = "perl_reload";
2788	async { reload_perl };	3716	reload_perl;
		3717	};
2789	}	3718	}
2790	};	3719	};
2791		3720
2792	unshift @INC, $LIBDIR;	3721	unshift @INC, $LIBDIR;
2793		3722
…		…
2795		3724
2796	our @WAIT_FOR_TICK;	3725	our @WAIT_FOR_TICK;
2797	our @WAIT_FOR_TICK_BEGIN;	3726	our @WAIT_FOR_TICK_BEGIN;
2798		3727
2799	sub wait_for_tick {	3728	sub wait_for_tick {
2800	return unless $TICK_WATCHER->is_active;
2801	return if $Coro::current == $Coro::main;	3729	return if tick_inhibit || $Coro::current == $Coro::main;
2802		3730
2803	my $signal = new Coro::Signal;	3731	my $signal = new Coro::Signal;
2804	push @WAIT_FOR_TICK, $signal;	3732	push @WAIT_FOR_TICK, $signal;
2805	$signal->wait;	3733	$signal->wait;
2806	}	3734	}
2807		3735
2808	sub wait_for_tick_begin {	3736	sub wait_for_tick_begin {
2809	return unless $TICK_WATCHER->is_active;
2810	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2811		3738
2812	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
2813	push @WAIT_FOR_TICK_BEGIN, $signal;	3740	push @WAIT_FOR_TICK_BEGIN, $signal;
2814	$signal->wait;	3741	$signal->wait;
2815	}	3742	}
2816		3743
2817	$TICK_WATCHER = Event->timer (	3744	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) {	3745	if ($Coro::current != $Coro::main) {
2825	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3746	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2826	unless ++$bug_warning > 10;	3747	unless ++$bug_warning > 10;
2827	return;	3748	return;
2828	}	3749	}
2829		3750
2830	$NOW = Event::time;
2831
2832	cf::server_tick; # one server iteration	3751	cf::server_tick; # one server iteration
2833		3752
2834	$RUNTIME += $TICK;
2835	$NEXT_TICK += $TICK;
2836
2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3753	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2838	$NEXT_RUNTIME_WRITE = $NOW + 10;	3754	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2839	Coro::async_pool {	3755	Coro::async_pool {
		3756	$Coro::current->{desc} = "runtime saver";
2840	write_runtime	3757	write_runtime_sync
2841	or warn "ERROR: unable to write runtime file: $!";	3758	or warn "ERROR: unable to write runtime file: $!";
2842	};
2843	}	3759	};
		3760	}
2844		3761
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) {	3762	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2855	$sig->send;	3763	$sig->send;
2856	}	3764	}
2857	while (my $sig = shift @WAIT_FOR_TICK) {	3765	while (my $sig = shift @WAIT_FOR_TICK) {
2858	$sig->send;	3766	$sig->send;
2859	}
2860
2861	_post_tick;
2862	},	3767	}
2863	);	3768
		3769	$LOAD = ($NOW - $TICK_START) / $TICK;
		3770	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3771
		3772	if (0) {
		3773	if ($NEXT_TICK) {
		3774	my $jitter = $TICK_START - $NEXT_TICK;
		3775	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3776	warn "jitter $JITTER\n";#d#
		3777	}
		3778	}
		3779	}
2864		3780
2865	{	3781	{
2866	BDB::max_poll_time $TICK * 0.1;	3782	# configure BDB
2867	$BDB_POLL_WATCHER = Event->io (	3783
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;	3784	BDB::min_parallel 8;
2876		3785	BDB::max_poll_reqs $TICK * 0.1;
2877	BDB::set_sync_prepare {	3786	$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		3787
2892	unless ($DB_ENV) {	3788	unless ($DB_ENV) {
2893	$DB_ENV = BDB::db_env_create;	3789	$DB_ENV = BDB::db_env_create;
		3790	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3791	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3792	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3793	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3794	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2894		3795
2895	cf::sync_job {	3796	cf::sync_job {
2896	eval {	3797	eval {
2897	BDB::db_env_open	3798	BDB::db_env_open
2898	$DB_ENV,	3799	$DB_ENV,
…		…
2900	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3801	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2901	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3802	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2902	0666;	3803	0666;
2903		3804
2904	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3805	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	};	3806	};
2909		3807
2910	cf::cleanup "db_env_open(db): $@" if $@;	3808	cf::cleanup "db_env_open(db): $@" if $@;
2911	};	3809	};
2912	}	3810	}
		3811
		3812	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3813	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3814	};
		3815	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3816	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3817	};
		3818	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3819	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3820	};
2913	}	3821	}
2914		3822
2915	{	3823	{
		3824	# configure IO::AIO
		3825
2916	IO::AIO::min_parallel 8;	3826	IO::AIO::min_parallel 8;
2917
2918	undef $Coro::AIO::WATCHER;
2919	IO::AIO::max_poll_time $TICK * 0.1;	3827	IO::AIO::max_poll_time $TICK * 0.1;
2920	$AIO_POLL_WATCHER = Event->io (	3828	undef $AnyEvent::AIO::WATCHER;
2921	reentrant => 0,	3829	}
2922	data => WF_AUTOCANCEL,	3830
2923	fd => IO::AIO::poll_fileno,	3831	my $_log_backtrace;
2924	poll => 'r',	3832
2925	prio => 6,	3833	sub _log_backtrace {
2926	cb => \&IO::AIO::poll_cb,	3834	my ($msg, @addr) = @_;
2927	);	3835
		3836	$msg =~ s/\n//;
		3837
		3838	# limit the # of concurrent backtraces
		3839	if ($_log_backtrace < 2) {
		3840	++$_log_backtrace;
		3841	my $perl_bt = Carp::longmess $msg;
		3842	async {
		3843	$Coro::current->{desc} = "abt $msg";
		3844
		3845	my @bt = fork_call {
		3846	@addr = map { sprintf "%x", $_ } @addr;
		3847	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3848	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3849	or die "addr2line: $!";
		3850
		3851	my @funcs;
		3852	my @res = <$fh>;
		3853	chomp for @res;
		3854	while (@res) {
		3855	my ($func, $line) = splice @res, 0, 2, ();
		3856	push @funcs, "[$func] $line";
		3857	}
		3858
		3859	@funcs
		3860	};
		3861
		3862	LOG llevInfo, "[ABT] $perl_bt\n";
		3863	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3864	LOG llevInfo, "[ABT] $_\n" for @bt;
		3865	--$_log_backtrace;
		3866	};
		3867	} else {
		3868	LOG llevInfo, "[ABT] $msg\n";
		3869	LOG llevInfo, "[ABT] [suppressed]\n";
		3870	}
2928	}	3871	}
2929		3872
2930	# load additional modules	3873	# load additional modules
2931	use cf::pod;	3874	use cf::pod;
2932		3875

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