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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.476 by root, Wed Sep 2 16:54:20 2009 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 qw(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
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;	56	use Digest::MD5;
28	use Fcntl;	57	use Fcntl;
29	use YAML::Syck ();	58	use YAML ();
30	use IO::AIO 2.32 ();	59	use IO::AIO ();
31	use Time::HiRes;	60	use Time::HiRes;
32	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
33		65
34	# configure various modules to our taste	66	# configure various modules to our taste
35	#	67	#
36	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		76
40	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
41		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
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
46		79
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		81
49	our %COMMAND = ();	82	our %COMMAND = ();
50	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
51		84
52	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
56		90
57	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	92	our @EVENT;
59		93
60	our $CONFDIR = confdir;	94	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	95	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	96	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	97	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	98	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	99	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	103	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
71		109
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	110	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	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	112	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
82		121
83	our %CFG;	122	our %CFG;
84		123
85	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
87		127
88	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
91		131
92	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		134
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
98		144
99	binmode STDOUT;	145	binmode STDOUT;
100	binmode STDERR;	146	binmode STDERR;
101		147
102	# read virtual server time, if available	148	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	150	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
107	}	153	}
		154
		155	eval "sub TICK() { $TICK } 1" or die;
108		156
109	mkdir $_	157	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		159
112	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
…		…
155		203
156	The raw value load value from the last tick.	204	The raw value load value from the last tick.
157		205
158	=item %cf::CFG	206	=item %cf::CFG
159		207
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	209	from wherever your confdir points to.
162		210
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		212
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	213	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	214	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	215	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		216
		217	=item @cf::INVOKE_RESULTS
		218
		219	This array contains the results of the last C<invoke ()> call. When
		220	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		221	that call.
		222
169	=back	223	=back
170		224
171	=cut	225	=cut
172		226
173	BEGIN {	227	BEGIN {
…		…
177	$msg .= "\n"	231	$msg .= "\n"
178	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
179		233
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		235
182	utf8::encode $msg;
183	LOG llevError, $msg;	236	LOG llevError, $msg;
184	};	237	};
185	}	238	}
		239
		240	$Coro::State::DIEHOOK = sub {
		241	return unless $^S eq 0; # "eq", not "=="
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	warn Carp::longmess $_[0];
		250	Coro::terminate
		251	};
		252
		253	$SIG{__DIE__} = sub { }; #d#?
186		254
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	265	for my $pkg (qw(
198	cf::global cf::attachable	266	cf::global cf::attachable
199	cf::object cf::object::player	267	cf::object cf::object::player
200	cf::client cf::player	268	cf::client cf::player
201	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
202	cf::map cf::party cf::region	271	cf::party cf::region
203	)) {	272	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	274	}
207		275
208	$Event::DIED = sub {	276	$EV::DIED = sub {
209	warn "error in event callback: @_";	277	warn "error in event callback: @_";
210	};	278	};
		279
		280	#############################################################################
211		281
212	=head2 UTILITY FUNCTIONS	282	=head2 UTILITY FUNCTIONS
213		283
214	=over 4	284	=over 4
215		285
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	304	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	305	$d
236	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
237	}	307	}
238		308
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
242		310
243	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
244		312
245	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
246		314
247	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
248		316
		317	=cut
		318
		319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		320
		321	sub encode_json($) { $json_coder->encode ($_[0]) }
		322	sub decode_json($) { $json_coder->decode ($_[0]) }
		323
		324	=item cf::post_init { BLOCK }
		325
		326	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		327	but I<before> the server starts ticking again.
		328
		329	The cdoeblock will have a single boolean argument to indicate whether this
		330	is a reload or not.
		331
		332	=cut
		333
		334	sub post_init(&) {
		335	push @POST_INIT, shift;
		336	}
		337
249	=item cf::lock_wait $string	338	=item cf::lock_wait $string
250		339
251	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
252		341
253	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
254		343
255	Wait until the given lock is available and then acquires it and returns	344	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	345	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
258	returned.	347	returned.
259		348
		349	Locks are *not* recursive, locking from the same coro twice results in a
		350	deadlocked coro.
		351
260	Lock names should begin with a unique identifier (for example, cf::map::find	352	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	353	uses map_find and cf::map::load uses map_load).
262		354
263	=item $locked = cf::lock_active $string	355	=item $locked = cf::lock_active $string
264		356
265	Return true if the lock is currently active, i.e. somebody has locked it.	357	Return true if the lock is currently active, i.e. somebody has locked it.
266		358
267	=cut	359	=cut
268		360
269	our %LOCK;	361	our $LOCKS = new Coro::SemaphoreSet;
270		362
271	sub lock_wait($) {	363	sub lock_wait($) {
272	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	365	}
280		366
281	sub lock_acquire($) {	367	sub lock_acquire($) {
282	my ($key) = @_;	368	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	369	}
294		370
295	sub lock_active($) {	371	sub lock_active($) {
296	my ($key) = @_;	372	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	373	}
300		374
301	sub freeze_mainloop {	375	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
303		377
304	my $guard = Coro::guard {	378	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	379	}
		380
		381	=item cf::periodic $interval, $cb
		382
		383	Like EV::periodic, but randomly selects a starting point so that the actions
		384	get spread over timer.
		385
		386	=cut
		387
		388	sub periodic($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
		394	}
		395
		396	=item cf::get_slot $time[, $priority[, $name]]
		397
		398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		399	This call blocks and returns only when you have at least C<$time> seconds
		400	of cpu time till the next tick. The slot is only valid till the next cede.
		401
		402	The optional C<$name> can be used to identify the job to run. It might be
		403	used for statistical purposes and should identify the same time-class.
		404
		405	Useful for short background jobs.
		406
		407	=cut
		408
		409	our @SLOT_QUEUE;
		410	our $SLOT_QUEUE;
		411
		412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
		416	my $signal = new Coro::Signal;
		417
		418	while () {
		419	next_job:
		420	my $avail = cf::till_tick;
		421	if ($avail > 0.01) {
		422	for (0 .. $#SLOT_QUEUE) {
		423	if ($SLOT_QUEUE[$_][0] < $avail) {
		424	my $job = splice @SLOT_QUEUE, $_, 1, ();
		425	$job->[2]->send;
		426	Coro::cede;
		427	goto next_job;
		428	}
		429	}
		430	}
		431
		432	if (@SLOT_QUEUE) {
		433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		434	push @cf::WAIT_FOR_TICK, $signal;
		435	$signal->wait;
		436	} else {
		437	Coro::schedule;
		438	}
306	};	439	}
307	$TICK_WATCHER->stop;	440	};
308	$guard	441
		442	sub get_slot($;$$) {
		443	return if tick_inhibit || $Coro::current == $Coro::main;
		444
		445	my ($time, $pri, $name) = @_;
		446
		447	$time = $TICK * .6 if $time > $TICK * .6;
		448	my $sig = new Coro::Signal;
		449
		450	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		451	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		452	$SLOT_QUEUE->ready;
		453	$sig->wait;
309	}	454	}
310		455
311	=item cf::async { BLOCK }	456	=item cf::async { BLOCK }
312		457
313	Currently the same as Coro::async_pool, meaning you cannot use	458	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		463
319	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
320		465
321	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
322		467
323	The design of crossfire+ requires that the main coro ($Coro::main) is	468	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	469	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		471	acceptable.
326		472
327	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	475	server will be frozen during this time, so the block should either finish
330	fast or be very important.	476	fast or be very important.
…		…
333		479
334	sub sync_job(&) {	480	sub sync_job(&) {
335	my ($job) = @_;	481	my ($job) = @_;
336		482
337	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	484	my $time = EV::time;
339		485
340	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
342		488
343	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	490
345	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
346		492
347	my $busy = 1;	493	my $busy = 1;
348	my @res;	494	my @res;
349		495
350	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	498	@res = eval { $job->() };
352	warn $@ if $@;	499	warn $@ if $@;
353	undef $busy;	500	undef $busy;
354	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
355		502
356	while ($busy) {	503	while ($busy) {
357	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
358	}	508	}
		509	}
359		510
360	$time = Event::time - $time;	511	my $time = EV::time - $time;
361		512
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	513	$TICK_START += $time; # do not account sync jobs to server load
366		514
367	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
368	} else {	516	} else {
369	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
370		518
…		…
390	$EXT_CORO{$coro+0} = $coro;	538	$EXT_CORO{$coro+0} = $coro;
391		539
392	$coro	540	$coro
393	}	541	}
394		542
395	sub write_runtime {	543	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		544
398	# first touch the runtime file to show we are still running:	545	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	546	process, returning the results. Everything must be serialisable with
		547	Coro::Storable. May, of course, block. Note that the executed sub may
		548	never block itself or use any form of event handling.
400		549
401	IO::AIO::aio_utime $runtime, undef, undef;	550	=cut
402		551
403	my $guard = cf::lock_acquire "write_runtime";	552	sub fork_call(&@) {
		553	my ($cb, @args) = @_;
404		554
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	555	# we seemingly have to make a local copy of the whole thing,
406	or return;	556	# otherwise perl prematurely frees the stuff :/
		557	# TODO: investigate and fix (likely this will be rather laborious)
407		558
408	my $value = $cf::RUNTIME + 90 + 10;	559	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	560	reset_signals;
410	# 60 allows for the watchdog to kill the server.	561	&$cb
		562	}, @args;
411		563
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	564	wantarray ? @res : $res[-1]
413	and return;	565	}
414		566
415	# always fsync - this file is important	567	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		568
419	# touch it again to show we are up-to-date	569	=cut
420	aio_utime $fh, undef, undef;
421		570
422	close $fh	571	our %coin_alias = (
423	or return;	572	"silver" => "silvercoin",
		573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
424		587
425	aio_rename "$runtime~", $runtime	588	sub coin_from_name($) {
426	and return;	589	$coin_alias{$_[0]}
		590	? cf::arch::find $coin_alias{$_[0]}
		591	: undef
		592	}
427		593
428	warn "runtime file written.\n";	594	=item $value = cf::db_get $family => $key
429		595
		596	Returns a single value from the environment database.
		597
		598	=item cf::db_put $family => $key => $value
		599
		600	Stores the given C<$value> in the family. It can currently store binary
		601	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		602
		603	=item $db = cf::db_table "name"
		604
		605	Create and/or open a new database table. The string must not be "db" and must be unique
		606	within each server.
		607
		608	=cut
		609
		610	sub db_table($) {
		611	my ($name) = @_;
		612	my $db = BDB::db_create $DB_ENV;
		613
		614	eval {
		615	$db->set_flags (BDB::CHKSUM);
		616
		617	utf8::encode $name;
		618	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		619	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		620	cf::cleanup "db_open(db): $!" if $!;
		621	};
		622	cf::cleanup "db_open(db): $@" if $@;
		623
		624	$db
		625	}
		626
		627	our $DB;
		628
		629	sub db_init {
		630	cf::sync_job {
		631	$DB ||= db_table "db";
		632	};
		633	}
		634
		635	sub db_get($$) {
		636	my $key = "$_[0]/$_[1]";
		637
		638	cf::sync_job {
		639	BDB::db_get $DB, undef, $key, my $data;
		640
		641	$! ? ()
		642	: $data
430	1	643	}
		644	}
		645
		646	sub db_put($$$) {
		647	BDB::dbreq_pri 4;
		648	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		649	}
		650
		651	=item cf::cache $id => [$paths...], $processversion => $process
		652
		653	Generic caching function that returns the value of the resource $id,
		654	caching and regenerating as required.
		655
		656	This function can block.
		657
		658	=cut
		659
		660	sub cache {
		661	my ($id, $src, $processversion, $process) = @_;
		662
		663	my $meta =
		664	join "\x00",
		665	$processversion,
		666	map {
		667	aio_stat $_
		668	and Carp::croak "$_: $!";
		669
		670	($_, (stat _)[7,9])
		671	} @$src;
		672
		673	my $dbmeta = db_get cache => "$id/meta";
		674	if ($dbmeta ne $meta) {
		675	# changed, we may need to process
		676
		677	my @data;
		678	my $md5;
		679
		680	for (0 .. $#$src) {
		681	0 <= aio_load $src->[$_], $data[$_]
		682	or Carp::croak "$src->[$_]: $!";
		683	}
		684
		685	# if processing is expensive, check
		686	# checksum first
		687	if (1) {
		688	$md5 =
		689	join "\x00",
		690	$processversion,
		691	map {
		692	cf::cede_to_tick;
		693	($src->[$_], Digest::MD5::md5_hex $data[$_])
		694	} 0.. $#$src;
		695
		696
		697	my $dbmd5 = db_get cache => "$id/md5";
		698	if ($dbmd5 eq $md5) {
		699	db_put cache => "$id/meta", $meta;
		700
		701	return db_get cache => "$id/data";
		702	}
		703	}
		704
		705	my $t1 = Time::HiRes::time;
		706	my $data = $process->(\@data);
		707	my $t2 = Time::HiRes::time;
		708
		709	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		710
		711	db_put cache => "$id/data", $data;
		712	db_put cache => "$id/md5" , $md5;
		713	db_put cache => "$id/meta", $meta;
		714
		715	return $data;
		716	}
		717
		718	db_get cache => "$id/data"
431	}	719	}
432		720
433	=item cf::datalog type => key => value, ...	721	=item cf::datalog type => key => value, ...
434		722
435	Log a datalog packet of the given type with the given key-value pairs.	723	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		735
448	#############################################################################	736	#############################################################################
449		737
450	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
451		739
452	Many objects in crossfire are so-called attachable objects. That means you can	740	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	741	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
455		743
456	In the following description, CLASS can be any of C<global>, C<object>	744	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	745	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	746	Deliantra).
459		747
460	=over 4	748	=over 4
461		749
462	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
463		751
…		…
507	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
508		796
509	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
511		799
512	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	801	that are attached at load/instantiate time, thus the need for a name.
514		802
515	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
516		804
517	=over 4	805	=over 4
…		…
665	_attach $registry, $klass, @attach;	953	_attach $registry, $klass, @attach;
666	}	954	}
667		955
668	$obj->{$name} = \%arg;	956	$obj->{$name} = \%arg;
669	} else {	957	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	958	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	959	}
672		960
673	$obj->{_attachment}{$name} = undef;	961	$obj->{_attachment}{$name} = undef;
674	}	962	}
675		963
…		…
715	";	1003	";
716	die if $@;	1004	die if $@;
717	}	1005	}
718		1006
719	our $override;	1007	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1008	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1009
722	sub override {	1010	sub override {
723	$override = 1;	1011	$override = 1;
724	@invoke_results = ();	1012	@INVOKE_RESULTS = (@_);
725	}	1013	}
726		1014
727	sub do_invoke {	1015	sub do_invoke {
728	my $event = shift;	1016	my $event = shift;
729	my $callbacks = shift;	1017	my $callbacks = shift;
730		1018
731	@invoke_results = ();	1019	@INVOKE_RESULTS = ();
732		1020
733	local $override;	1021	local $override;
734		1022
735	for (@$callbacks) {	1023	for (@$callbacks) {
736	eval { &{$_->[1]} };	1024	eval { &{$_->[1]} };
…		…
745	}	1033	}
746		1034
747	0	1035	0
748	}	1036	}
749		1037
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1039
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1041
754	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
755		1043
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1044	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1045	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1046	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1047
760	=back	1048	=back
761		1049
762	=cut	1050	=cut
763		1051
764	#############################################################################	1052	#############################################################################
765	# object support	1053	# object support
		1054
		1055	sub _object_equal($$);
		1056	sub _object_equal($$) {
		1057	my ($a, $b) = @_;
		1058
		1059	return 0 unless (ref $a) eq (ref $b);
		1060
		1061	if ("HASH" eq ref $a) {
		1062	my @ka = keys %$a;
		1063	my @kb = keys %$b;
		1064
		1065	return 0 if @ka != @kb;
		1066
		1067	for (0 .. $#ka) {
		1068	return 0 unless $ka[$_] eq $kb[$_];
		1069	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1070	}
		1071
		1072	} elsif ("ARRAY" eq ref $a) {
		1073
		1074	return 0 if @$a != @$b;
		1075
		1076	for (0 .. $#$a) {
		1077	return 0 unless _object_equal $a->[$_], $b->[$_];
		1078	}
		1079
		1080	} elsif ($a ne $b) {
		1081	return 0;
		1082	}
		1083
		1084	1
		1085	}
		1086
		1087	our $SLOW_MERGES;#d#
		1088	sub _can_merge {
		1089	my ($ob1, $ob2) = @_;
		1090
		1091	++$SLOW_MERGES;#d#
		1092
		1093	# we do the slow way here
		1094	return _object_equal $ob1, $ob2
		1095	}
766		1096
767	sub reattach {	1097	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1099	my ($obj) = @_;
770		1100
		1101	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1102	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1103
773	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
774		1105
775	@$registry = ();	1106	@$registry = ();
776		1107
…		…
791	cf::attachable->attach (	1122	cf::attachable->attach (
792	prio => -1000000,	1123	prio => -1000000,
793	on_instantiate => sub {	1124	on_instantiate => sub {
794	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
795		1126
796	$data = from_json $data;	1127	$data = decode_json $data;
797		1128
798	for (@$data) {	1129	for (@$data) {
799	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
800		1131
801	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1148	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
819		1150
820	sync_job {	1151	sync_job {
821	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
824		1156
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1160	if ($cf::USE_FSYNC) {
		1161	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1162	aio_fsync $fh;
		1163	}
829	close $fh;	1164	aio_close $fh;
830		1165
831	if (@$objs) {	1166	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1167	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1171	if ($cf::USE_FSYNC) {
		1172	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1173	aio_fsync $fh;
		1174	}
837	close $fh;	1175	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
839	}	1177	}
840	} else {	1178	} else {
841	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
842	}	1180	}
843		1181
844	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1186	} else {
846	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
847	}	1188	}
848	} else {	1189	} else {
849	aio_unlink $filename;	1190	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
851	}	1192	}
852	}	1193	};
853	}	1194	}
854		1195
855	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
857		1198
…		…
869	or return;	1210	or return;
870		1211
871	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
873	or return;	1214	or return;
		1215
874	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
875	}	1218	}
876		1219
		1220	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1222	$decname, length $data, scalar @{$av || []};
		1223
879	return ($data, $av);	1224	($data, $av)
880	}	1225	}
		1226
		1227	=head2 COMMAND CALLBACKS
		1228
		1229	=over 4
		1230
		1231	=cut
881		1232
882	#############################################################################	1233	#############################################################################
883	# command handling &c	1234	# command handling &c
884		1235
885	=item cf::register_command $name => \&callback($ob,$args);	1236	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1249	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1250	}
900		1251
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1252	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1253
903	Register a callbackf ro execution when the client sends an extcmd packet.	1254	Register a callback for execution when the client sends an (synchronous)
		1255	extcmd packet. Ext commands will be processed in the order they are
		1256	received by the server, like other user commands. The first argument is
		1257	the logged-in player. Ext commands can only be processed after a player
		1258	has logged in successfully.
904		1259
905	If the callback returns something, it is sent back as if reply was being	1260	If the callback returns something, it is sent back as if reply was being
906	called.	1261	called.
907		1262
		1263	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1264
		1265	Register a callback for execution when the client sends an (asynchronous)
		1266	exticmd packet. Exti commands are processed by the server as soon as they
		1267	are received, i.e. out of order w.r.t. other commands. The first argument
		1268	is a client socket. Exti commands can be received anytime, even before
		1269	log-in.
		1270
		1271	If the callback returns something, it is sent back as if reply was being
		1272	called.
		1273
908	=cut	1274	=cut
909		1275
910	sub register_extcmd {	1276	sub register_extcmd {
911	my ($name, $cb) = @_;	1277	my ($name, $cb) = @_;
912		1278
913	$EXTCMD{$name} = $cb;	1279	$EXTCMD{$name} = $cb;
914	}	1280	}
		1281
		1282	sub register_exticmd {
		1283	my ($name, $cb) = @_;
		1284
		1285	$EXTICMD{$name} = $cb;
		1286	}
		1287
		1288	use File::Glob ();
915		1289
916	cf::player->attach (	1290	cf::player->attach (
917	on_command => sub {	1291	on_command => sub {
918	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
919		1293
…		…
927	cf::override;	1301	cf::override;
928	},	1302	},
929	on_extcmd => sub {	1303	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
931		1305
932	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1307
934	if (ref $msg) {	1308	if (ref $msg) {
		1309	my ($type, $reply, @payload) =
		1310	"ARRAY" eq ref $msg
		1311	? @$msg
		1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1313
		1314	my @reply;
		1315
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
940	} else {	1323	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1325	}
943		1326
944	cf::override;	1327	cf::override;
945	},	1328	},
946	);	1329	);
		1330
		1331	# "readahead" all extensions
		1332	sub cache_extensions {
		1333	my $grp = IO::AIO::aio_group;
		1334
		1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1336	for (grep /\.ext$/, @{$_[0]}) {
		1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1338	}
		1339	};
		1340
		1341	$grp
		1342	}
947		1343
948	sub load_extensions {	1344	sub load_extensions {
949	cf::sync_job {	1345	cf::sync_job {
950	my %todo;	1346	my %todo;
951		1347
…		…
967	path => $path,	1363	path => $path,
968	base => $base,	1364	base => $base,
969	pkg => $pkg,	1365	pkg => $pkg,
970	);	1366	);
971		1367
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1368	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1369	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1370
975	$ext{source} =	1371	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1372	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1373	. "#line 1 \"$path\"\n{\n"
978	. $source	1374	. $source
979	. "\n};\n1";	1375	. "\n};\n1";
980		1376
981	$todo{$base} = \%ext;	1377	$todo{$base} = \%ext;
…		…
984	my %done;	1380	my %done;
985	while (%todo) {	1381	while (%todo) {
986	my $progress;	1382	my $progress;
987		1383
988	while (my ($k, $v) = each %todo) {	1384	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1385	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1386	goto skip
991	unless exists $done{$_};	1387	unless exists $done{$_};
992	}	1388	}
993		1389
994	warn "... loading '$k' into '$v->{pkg}'\n";	1390	warn "... loading '$k' into '$v->{pkg}'\n";
995		1391
996	unless (eval $v->{source}) {	1392	unless (eval $v->{source}) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1393	my $msg = $@ ? "$v->{path}: $@\n"
998	: "extension disabled.\n";	1394	: "$v->{base}: extension inactive.\n";
999		1395
1000	if (exists $v->{meta}{mandatory}) {	1396	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1397	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1398	cf::cleanup "mandatory extension failed to load, exiting.";
1003	exit 1;
1004	}	1399	}
1005		1400
1006	die $msg;	1401	warn $msg;
1007	}	1402	}
1008		1403
1009	$done{$k} = delete $todo{$k};	1404	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};	1405	push @EXTS, $v->{pkg};
		1406	$progress = 1;
1011	}	1407	}
1012		1408
1013	skip:	1409	skip:
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1410	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015	unless $progress;	1411	unless $progress;
…		…
1017	};	1413	};
1018	}	1414	}
1019		1415
1020	#############################################################################	1416	#############################################################################
1021		1417
		1418	=back
		1419
1022	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
1023		1421
1024	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
1025		1423
1026	=cut	1424	=cut
1027		1425
1028	package cf::player;	1426	package cf::player;
1029		1427
1030	use Coro::AIO;	1428	use Coro::AIO;
1031		1429
1032	=head3 cf::player	1430	=head3 cf::player
1033		1431
1034	=over 4	1432	=over 4
		1433
		1434	=item cf::player::num_playing
		1435
		1436	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1437
		1438	=cut
		1439
		1440	sub num_playing {
		1441	scalar grep
		1442	$_->ob->map
		1443	&& !$_->hidden
		1444	&& !$_->ob->flag (cf::FLAG_WIZ),
		1445	cf::player::list
		1446	}
1035		1447
1036	=item cf::player::find $login	1448	=item cf::player::find $login
1037		1449
1038	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
1039		1451
…		…
1058		1470
1059	sub exists($) {	1471	sub exists($) {
1060	my ($login) = @_;	1472	my ($login) = @_;
1061		1473
1062	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
1063	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
1064	}	1476	}
1065		1477
1066	sub find($) {	1478	sub find($) {
1067	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
1068	my $login = $_[0];	1480	my $login = $_[0];
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1487	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1488	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1489	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1490	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1491
1080	my $pl = load_pl path $login	1492	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1493	or return;
		1494
		1495	my $pl = cf::player::load_pl $f
		1496	or return;
		1497
		1498	local $cf::PLAYER_LOADING{$login} = $pl;
		1499	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
1083	}	1501	}
1084	}	1502	}
1085	}	1503	}
1086		1504
…		…
1095	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1096		1514
1097	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
1099		1517
		1518	cf::get_slot 0.01;
		1519
1100	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1101	Coro::cede;	1521	cf::cede_to_tick;
1102	}	1522	}
1103		1523
1104	sub new($) {	1524	sub new($) {
1105	my ($login) = @_;	1525	my ($login) = @_;
1106		1526
…		…
1112	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1113		1533
1114	$self	1534	$self
1115	}	1535	}
1116		1536
		1537	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1538
		1539	=cut
		1540
		1541	sub send_msg {
		1542	my $ns = shift->ns
		1543	or return;
		1544	$ns->send_msg (@_);
		1545	}
		1546
1117	=item $pl->quit_character	1547	=item $pl->quit_character
1118		1548
1119	Nukes the player without looking back. If logged in, the connection will	1549	Nukes the player without looking back. If logged in, the connection will
1120	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1121		1551
…		…
1125	my ($pl) = @_;	1555	my ($pl) = @_;
1126		1556
1127	my $name = $pl->ob->name;	1557	my $name = $pl->ob->name;
1128		1558
1129	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1130	$pl->password ("*"); # this should lock out the player until we nuked the dir	1560	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1131		1561
1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1133	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1134	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1135	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1136		1568
1137	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1138	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1174	or return [];	1606	or return [];
1175		1607
1176	my @logins;	1608	my @logins;
1177		1609
1178	for my $login (@$dirs) {	1610	for my $login (@$dirs) {
		1611	my $path = path $login;
		1612
		1613	# a .pst is a dead give-away for a valid player
		1614	# if no pst file found, open and chekc for blocked users
		1615	if (aio_stat "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1182		1620
1183	utf8::decode $login;	1621	utf8::decode $login;
1184	push @logins, $login;	1622	push @logins, $login;
1185	}	1623	}
1186		1624
…		…
1213	}	1651	}
1214		1652
1215	\@paths	1653	\@paths
1216	}	1654	}
1217		1655
		1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1657
		1658	Expand deliantra pod fragments into protocol xml.
		1659
1218	=item $player->ext_reply ($msgid, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1219		1661
1220	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1221		1663
1222	=cut	1664	=cut
1223		1665
1224	sub ext_reply($$%) {	1666	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1226		1668
1227	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1670	}
1231		1671
1232	=item $player->ext_event ($type, %msg)	1672	=item $player->ext_msg ($type, @msg)
1233		1673
1234	Sends an ext event to the client.	1674	Sends an ext event to the client.
1235		1675
1236	=cut	1676	=cut
1237		1677
1238	sub ext_event($$%) {	1678	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1679	my ($self, $type, @msg) = @_;
1240		1680
1241	$self->ns->ext_event ($type, %msg);	1681	$self->ns->ext_msg ($type, @msg);
1242	}	1682	}
1243		1683
1244	=head3 cf::region	1684	=head3 cf::region
1245		1685
1246	=over 4	1686	=over 4
…		…
1249		1689
1250	package cf::region;	1690	package cf::region;
1251		1691
1252	=item cf::region::find_by_path $path	1692	=item cf::region::find_by_path $path
1253		1693
1254	Tries to decuce the probable region for a map knowing only its path.	1694	Tries to decuce the likely region for a map knowing only its path.
1255		1695
1256	=cut	1696	=cut
1257		1697
1258	sub find_by_path($) {	1698	sub find_by_path($) {
1259	my ($path) = @_;	1699	my ($path) = @_;
1260		1700
1261	my ($match, $specificity);	1701	my ($match, $specificity);
1262		1702
1263	for my $region (list) {	1703	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1704	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1705	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1706	if $region->specificity > $specificity;
1267	}	1707	}
1268	}	1708	}
1269		1709
…		…
1290	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1291	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1292		1732
1293	sub generate_random_map {	1733	sub generate_random_map {
1294	my ($self, $rmp) = @_;	1734	my ($self, $rmp) = @_;
		1735
		1736	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1737
1295	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1296	$self->_create_random_map (	1739	$self->_create_random_map (
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1389	$self->init; # pass $1 etc.	1832	$self->init; # pass $1 etc.
1390	return $self;	1833	return $self;
1391	}	1834	}
1392	}	1835	}
1393		1836
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1837	Carp::cluck "unable to resolve path '$path' (base '$base').";
1395	()	1838	()
1396	}	1839	}
1397		1840
1398	sub init {	1841	sub init {
1399	my ($self) = @_;	1842	my ($self) = @_;
…		…
1421		1864
1422	# the temporary/swap location	1865	# the temporary/swap location
1423	sub save_path {	1866	sub save_path {
1424	my ($self) = @_;	1867	my ($self) = @_;
1425		1868
1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427	"$TMPDIR/$path.map"	1870	"$TMPDIR/$path.map"
1428	}	1871	}
1429		1872
1430	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1431	sub uniq_path {	1874	sub uniq_path {
1432	my ($self) = @_;	1875	my ($self) = @_;
1433		1876
1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435	"$UNIQUEDIR/$path"	1878	"$UNIQUEDIR/$path"
1436	}
1437
1438	# and all this just because we cannot iterate over
1439	# all maps in C++...
1440	sub change_all_map_light {
1441	my ($change) = @_;
1442
1443	$_->change_map_light ($change)
1444	for grep $_->outdoor, values %cf::MAP;
1445	}	1879	}
1446		1880
1447	sub decay_objects {	1881	sub decay_objects {
1448	my ($self) = @_;	1882	my ($self) = @_;
1449		1883
…		…
1462		1896
1463	sub load_header_from($) {	1897	sub load_header_from($) {
1464	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1465		1899
1466	utf8::encode $path;	1900	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1472		1909
1473	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1474		1911
1475	1	1912	1
1476	}	1913	}
…		…
1530	sub find {	1967	sub find {
1531	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1532		1969
1533	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1534		1971
		1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1536		1974
1537	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";
1539	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1540	or return;	1977	or return;
1541		1978
1542	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1543		1980
…		…
1545	or return;	1982	or return;
1546		1983
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1550	$map->reset;	1989	$map->reset;
1551	undef $guard;
1552	return find $path;	1990	return find $path;
1553	}	1991	}
1554		1992
1555	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
1556	}	1994	}
…		…
1565	local $self->{deny_reset} = 1; # loading can take a long time	2003	local $self->{deny_reset} = 1; # loading can take a long time
1566		2004
1567	my $path = $self->{path};	2005	my $path = $self->{path};
1568		2006
1569	{	2007	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2008	my $guard = cf::lock_acquire "map_data:$path";
1571		2009
		2010	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2012
1574	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1575		2014
1576	$self->alloc;	2015	$self->alloc;
1577		2016
1578	$self->pre_load;	2017	$self->pre_load;
1579	Coro::cede;	2018	cf::cede_to_tick;
1580		2019
		2020	my $f = new_from_file cf::object::thawer $self->{load_path};
		2021	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2022	$self->_load_objects ($f)
1582	or return;	2023	or return;
1583		2024
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1585	if delete $self->{load_original};	2026	if delete $self->{load_original};
1586		2027
1587	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2029	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2032	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1592	}	2036	}
1593	}	2037	}
1594		2038
1595	Coro::cede;	2039	$f->resolve_delayed_derefs;
		2040
		2041	cf::cede_to_tick;
1596	# now do the right thing for maps	2042	# now do the right thing for maps
1597	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2045	unless $self->difficulty;
1600	Coro::cede;	2046	cf::cede_to_tick;
1601		2047
1602	unless ($self->{deny_activate}) {	2048	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2049	$self->decay_objects;
1604	$self->fix_auto_apply;	2050	$self->fix_auto_apply;
1605	$self->update_buttons;	2051	$self->update_buttons;
1606	Coro::cede;	2052	cf::cede_to_tick;
1607	$self->set_darkness_map;
1608	Coro::cede;
1609	$self->activate;	2053	$self->activate;
1610	}	2054	}
1611		2055
		2056	$self->{last_save} = $cf::RUNTIME;
		2057	$self->last_access ($cf::RUNTIME);
		2058
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2059	$self->in_memory (cf::MAP_ACTIVE);
1613	}	2060	}
1614		2061
1615	$self->post_load;	2062	$self->post_load;
1616	}	2063	}
1617		2064
…		…
1626		2073
1627	$self	2074	$self
1628	}	2075	}
1629		2076
1630	# find and load all maps in the 3x3 area around a map	2077	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2078	sub load_neighbours {
1632	my ($map) = @_;	2079	my ($map) = @_;
1633		2080
1634	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1635		2082
1636	for (0 .. 3) {	2083	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1638	or next;	2085	or next;
1639	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1640	or next;	2087	or next;
1641	$neigh->load;	2088	$neigh->load;
1642		2089
		2090	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2093	}
1646		2094
1647	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1649	or next;	2098	or next;
1650	$neigh->load;	2099	$neigh->load;
1651	}	2100	}
1652	}	2101	}
1653		2102
…		…
1658	}	2107	}
1659		2108
1660	sub do_load_sync {	2109	sub do_load_sync {
1661	my ($map) = @_;	2110	my ($map) = @_;
1662		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1663	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1664	}	2116	}
1665		2117
1666	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2119	our $MAP_PREFETCHER = undef;
1668		2120
1669	sub find_async {	2121	sub find_async {
1670	my ($path, $origin) = @_;	2122	my ($path, $origin, $load) = @_;
1671		2123
1672	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
1673		2125
1674	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1676	}	2128	}
1677		2129
1678	undef $MAP_PREFETCH{$path};	2130	$MAP_PREFETCH{$path} |= $load;
		2131
1679	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
1680	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2137	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2138	$map->load if $v;
		2139	}
1685		2140
1686	delete $MAP_PREFETCH{$path};	2141	delete $MAP_PREFETCH{$k};
1687	}	2142	}
1688	}	2143	}
1689	undef $MAP_PREFETCHER;	2144	undef $MAP_PREFETCHER;
1690	};	2145	};
1691	$MAP_PREFETCHER->prio (6);	2146	$MAP_PREFETCHER->prio (6);
…		…
1694	}	2149	}
1695		2150
1696	sub save {	2151	sub save {
1697	my ($self) = @_;	2152	my ($self) = @_;
1698		2153
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1700		2155
1701	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1702		2157
1703	return unless $self->dirty;	2158	return unless $self->dirty;
1704		2159
…		…
1710	return if $self->{deny_save};	2165	return if $self->{deny_save};
1711		2166
1712	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1713		2168
1714	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1716	};	2172	};
		2173
		2174	cf::get_slot 0.02;
1717		2175
1718	if ($uniq) {	2176	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1721	} else {	2179	} else {
…		…
1727	my ($self) = @_;	2185	my ($self) = @_;
1728		2186
1729	# save first because save cedes	2187	# save first because save cedes
1730	$self->save;	2188	$self->save;
1731		2189
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2191
1734	return if $self->players;	2192	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1736	return if $self->{deny_save};	2194	return if $self->{deny_save};
1737		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1738	$self->clear;	2200	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2201	}
1741		2202
1742	sub reset_at {	2203	sub reset_at {
1743	my ($self) = @_;	2204	my ($self) = @_;
1744		2205
…		…
1776	if $uniq;	2237	if $uniq;
1777	}	2238	}
1778		2239
1779	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1780		2241
		2242	$self->deactivate;
		2243	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2244	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2245
1785	$self->unlink_save;	2246	$self->unlink_save;
1786	$self->destroy;	2247	$self->destroy;
1787	}	2248	}
1788		2249
1789	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
1790		2251
1791	sub nuke {	2252	sub nuke {
1792	my ($self) = @_;	2253	my ($self) = @_;
1793		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
1794	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1795		2259
1796	$self->unlink_save;	2260	$self->unlink_save;
1797		2261
1798	bless $self, "cf::map";	2262	bless $self, "cf::map";
1799	delete $self->{deny_reset};	2263	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2267
1804	$cf::MAP{$self->path} = $self;	2268	$cf::MAP{$self->path} = $self;
		2269	}
1805		2270
1806	$self->reset; # polite request, might not happen	2271	$self->reset; # polite request, might not happen
1807	}	2272	}
1808		2273
1809	=item $maps = cf::map::tmp_maps	2274	=item $maps = cf::map::tmp_maps
…		…
1851		2316
1852	sub unique_maps() {	2317	sub unique_maps() {
1853	[	2318	[
1854	map {	2319	map {
1855	utf8::decode $_;	2320	utf8::decode $_;
1856	/\.map$/	2321	s/\.map$//; # TODO future compatibility hack
		2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2323	? ()
1857	? normalise $_	2324	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2325	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2326	]
1861	}	2327	}
1862		2328
1863	package cf;
1864
1865	=back	2329	=back
1866		2330
1867	=head3 cf::object	2331	=head3 cf::object
1868		2332
1869	=cut	2333	=cut
…		…
1872		2336
1873	=over 4	2337	=over 4
1874		2338
1875	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
1876		2340
1877	Returns the inventory of the object _and_ their inventories, recursively.	2341	Returns the inventory of the object I<and> their inventories, recursively,
		2342	but I<not> the object itself.
1878		2343
1879	=cut	2344	=cut
1880		2345
1881	sub inv_recursive_;	2346	sub inv_recursive_;
1882	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
1885		2350
1886	sub inv_recursive {	2351	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
1888	}	2353	}
1889		2354
		2355	=item $ref = $ob->ref
		2356
		2357	Creates and returns a persistent reference to an object that can be stored as a string.
		2358
		2359	=item $ob = cf::object::deref ($refstring)
		2360
		2361	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2362	even if the object actually exists. May block.
		2363
		2364	=cut
		2365
		2366	sub deref {
		2367	my ($ref) = @_;
		2368
		2369	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2370	my ($uuid, $name) = ($1, $2);
		2371	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2372	or return;
		2373	$pl->ob->uuid eq $uuid
		2374	or return;
		2375
		2376	$pl->ob
		2377	} else {
		2378	warn "$ref: cannot resolve object reference\n";
		2379	undef
		2380	}
		2381	}
		2382
1890	package cf;	2383	package cf;
1891		2384
1892	=back	2385	=back
1893		2386
1894	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
1900	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2393	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1901	can be C<undef>. Does the right thing when the player is currently in a	2394	can be C<undef>. Does the right thing when the player is currently in a
1902	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
1903		2396
1904	=cut	2397	=cut
		2398
		2399	our $SAY_CHANNEL = {
		2400	id => "say",
		2401	title => "Map",
		2402	reply => "say ",
		2403	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2404	};
		2405
		2406	our $CHAT_CHANNEL = {
		2407	id => "chat",
		2408	title => "Chat",
		2409	reply => "chat ",
		2410	tooltip => "Player chat and shouts, global to the server.",
		2411	};
1905		2412
1906	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
1907	# with dialog boxes.	2414	# with dialog boxes.
1908	#TODO: the first argument must go, split into a $npc->reply_to ( method	2415	#TODO: the first argument must go, split into a $npc->reply_to ( method
1909	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
1911		2418
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2419	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2420
1914	if ($self->{record_replies}) {	2421	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2422	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2423
1916	} else {	2424	} else {
		2425	my $pl = $self->contr;
		2426
		2427	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2428	my $dialog = $pl->{npc_dialog};
		2429	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2430
		2431	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2434	}
1919	}	2435	}
		2436	}
		2437
		2438	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2439
		2440	=cut
		2441
		2442	sub cf::object::send_msg {
		2443	my $pl = shift->contr
		2444	or return;
		2445	$pl->send_msg (@_);
1920	}	2446	}
1921		2447
1922	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
1923		2449
1924	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
1937		2463
1938	=item $player_object->enter_link	2464	=item $player_object->enter_link
1939		2465
1940	Freezes the player and moves him/her to a special map (C<{link}>).	2466	Freezes the player and moves him/her to a special map (C<{link}>).
1941		2467
1942	The player should be reasonably safe there for short amounts of time. You	2468	The player should be reasonably safe there for short amounts of time (e.g.
1943	I<MUST> call C<leave_link> as soon as possible, though.	2469	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2470	though, as the palyer cannot control the character while it is on the link
		2471	map.
1944		2472
1945	Will never block.	2473	Will never block.
1946		2474
1947	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
1948		2476
…		…
2003	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
2006		2534
2007	$map->load;	2535	$map->load;
2008	$map->load_diag;	2536	$map->load_neighbours;
2009		2537
2010	return unless $self->contr->active;	2538	return unless $self->contr->active;
2011	$self->activate_recursive;
2012		2539
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
2015	}
2016		2542
		2543	# only activate afterwards, to support waiting in hooks
		2544	$self->activate_recursive;
		2545	}
		2546
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018		2548
2019	Moves the player to the given map-path and coordinates by first freezing	2549	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2550	her, loading and preparing them map, calling the provided $check callback
2021	that has to return the map if sucecssful, and then unfreezes the player on	2551	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2552	the new (success) or old (failed) map position. In either case, $done will
		2553	be called at the end of this process.
		2554
		2555	Note that $check will be called with a potentially non-loaded map, so if
		2556	it needs a loaded map it has to call C<< ->load >>.
2023		2557
2024	=cut	2558	=cut
2025		2559
2026	our $GOTOGEN;	2560	our $GOTOGEN;
2027		2561
2028	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2563	my ($self, $path, $x, $y, $check, $done) = @_;
2030		2564
2031	# do generation counting so two concurrent goto's will be executed in-order	2565	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2567
2034	$self->enter_link;	2568	$self->enter_link;
2035		2569
2036	(async {	2570	(async {
		2571	$Coro::current->{desc} = "player::goto $path $x $y";
		2572
		2573	# *tag paths override both path and x|y
		2574	if ($path =~ /^\*(.*)$/) {
		2575	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2576	my $ob = $obs[rand @obs];
		2577
		2578	# see if we actually can go there
		2579	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2580	$ob = $obs[rand @obs];
		2581	} else {
		2582	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584	# else put us there anyways for now #d#
		2585
		2586	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2587	} else {
		2588	($path, $x, $y) = (undef, undef, undef);
		2589	}
		2590	}
		2591
2037	my $map = eval {	2592	my $map = eval {
2038	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
2039		2594
2040	if ($map) {	2595	if ($map) {
2041	$map = $map->customise_for ($self);	2596	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2597	$map = $check->($map) if $check && $map;
2043	} else {	2598	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2600	}
2046		2601
2047	$map	2602	$map
2048	};	2603	};
2049		2604
…		…
2054		2609
2055	if ($gen == $self->{_goto_generation}) {	2610	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2611	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
2058	}	2613	}
		2614
		2615	$done->() if $done;
2059	})->prio (1);	2616	})->prio (1);
2060	}	2617	}
2061		2618
2062	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
2063		2620
…		…
2083	}	2640	}
2084		2641
2085	sub prepare_random_map {	2642	sub prepare_random_map {
2086	my ($exit) = @_;	2643	my ($exit) = @_;
2087		2644
2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
2091	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
2092	# that depends on the exit object	2647	# that depends on the exit object
2093		2648
2094	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
2096	if ($exit->map) {	2651	if ($exit->map) {
2097	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
2098	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
2099	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
2100	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
2101	}	2658	}
2102		2659
2103	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
2104		2661
2105	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
2108		2665
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
2111	undef $fh;	2668	undef $fh;
2112	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
2113		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
2114	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
2115	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
2116	}	2677	}
2117	}	2678	}
2118		2679
2119	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
2120	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
2121		2682
2122	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
2123		2684
2124	if ($exit->slaying eq "/!") {
2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
2126	# the problem is that $exit might not survive long enough
2127	# so it needs to be done right now, right here
2128	cf::sync_job { prepare_random_map $exit };
2129	}
2130
2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2132	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;
2134
2135	$self->enter_link;	2685	$self->enter_link;
2136		2686
2137	(async {	2687	(async {
2138	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
2139	unless (eval {	2690	unless (eval {
		2691	$self->deactivate_recursive; # just to be sure
		2692
		2693	# random map handling
		2694	{
		2695	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2696
		2697	prepare_random_map $exit
		2698	if $exit->slaying eq "/!";
		2699	}
		2700
		2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2702	my $x = $exit->stats->hp;
		2703	my $y = $exit->stats->sp;
		2704
2140	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
2141		2706
		2707	# if exit is damned, update players death & WoR home-position
		2708	$self->contr->savebed ($map, $x, $y)
		2709	if $exit->flag (cf::FLAG_DAMNED);
		2710
2142	1;	2711	1
2143	}) {	2712	}) {
2144	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
2145	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
2146	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
2147	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
2148		2717
2149	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
…		…
2168		2737
2169	utf8::encode $text;	2738	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2740	}
2172		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/statistics" => {
		2790	id => "infobox",
		2791	title => "Statistics",
		2792	reply => undef,
		2793	tooltip => "Shows your primary statistics",
		2794	},
		2795	"c/skills" => {
		2796	id => "infobox",
		2797	title => "Skills",
		2798	reply => undef,
		2799	tooltip => "Shows your experience per skill and item power",
		2800	},
		2801	"c/shopitems" => {
		2802	id => "infobox",
		2803	title => "Shop Items",
		2804	reply => undef,
		2805	tooltip => "Shows the items currently for sale in this shop",
		2806	},
		2807	"c/resistances" => {
		2808	id => "infobox",
		2809	title => "Resistances",
		2810	reply => undef,
		2811	tooltip => "Shows your resistances",
		2812	},
		2813	"c/pets" => {
		2814	id => "infobox",
		2815	title => "Pets",
		2816	reply => undef,
		2817	tooltip => "Shows information abotu your pets/a specific pet",
		2818	},
		2819	"c/perceiveself" => {
		2820	id => "infobox",
		2821	title => "Perceive Self",
		2822	reply => undef,
		2823	tooltip => "You gained detailed knowledge about yourself",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	"c/party" => {
		2838	id => "party",
		2839	title => "Party",
		2840	reply => "gsay ",
		2841	tooltip => "Messages and chat related to your party",
		2842	},
		2843	"c/death" => {
		2844	id => "death",
		2845	title => "Death",
		2846	reply => undef,
		2847	tooltip => "Reason for and more info about your most recent death",
		2848	},
		2849	"c/say" => $SAY_CHANNEL,
		2850	"c/chat" => $CHAT_CHANNEL,
		2851	);
		2852
		2853	sub cf::client::send_msg {
		2854	my ($self, $channel, $msg, $color, @extra) = @_;
		2855
		2856	$msg = $self->pl->expand_cfpod ($msg)
		2857	unless $color & cf::NDI_VERBATIM;
		2858
		2859	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2860
		2861	# check predefined channels, for the benefit of C
		2862	if ($CHANNEL{$channel}) {
		2863	$channel = $CHANNEL{$channel};
		2864
		2865	$self->ext_msg (channel_info => $channel);
		2866	$channel = $channel->{id};
		2867
		2868	} elsif (ref $channel) {
		2869	# send meta info to client, if not yet sent
		2870	unless (exists $self->{channel}{$channel->{id}}) {
		2871	$self->{channel}{$channel->{id}} = $channel;
		2872	$self->ext_msg (channel_info => $channel);
		2873	}
		2874
		2875	$channel = $channel->{id};
		2876	}
		2877
		2878	return unless @extra || length $msg;
		2879
		2880	# default colour, mask it out
		2881	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2882	if $color & cf::NDI_DEF;
		2883
		2884	my $pkt = "msg "
		2885	. $self->{json_coder}->encode (
		2886	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2887	);
		2888
		2889	# try lzf for large packets
		2890	$pkt = "lzf " . Compress::LZF::compress $pkt
		2891	if 1024 <= length $pkt and $self->{can_lzf};
		2892
		2893	# split very large packets
		2894	if (8192 < length $pkt and $self->{can_lzf}) {
		2895	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2896	$pkt = "frag";
		2897	}
		2898
		2899	$self->send_packet ($pkt);
		2900	}
		2901
2173	=item $client->ext_event ($type, %msg)	2902	=item $client->ext_msg ($type, @msg)
2174		2903
2175	Sends an exti event to the client.	2904	Sends an ext event to the client.
2176		2905
2177	=cut	2906	=cut
2178		2907
2179	sub cf::client::ext_event($$%) {	2908	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	2909	my ($self, $type, @msg) = @_;
2181		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	2914	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
2184	}	2935	}
2185		2936
2186	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
2187		2938
2188	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2940	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2941	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		2942
2192	Queries can fail, so check the return code. Or don't, as queries will become	2943	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	2944	become reliable at some point in the future.
2194		2945
2195	=cut	2946	=cut
2196		2947
2197	sub cf::client::query {	2948	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	2949	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	2957	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2958	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		2959
2209	$self->send_packet ($self->{query_queue}[0][0])	2960	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	2961	if @{ $self->{query_queue} } == 1;
		2962
		2963	1
2211	}	2964	}
2212		2965
2213	cf::client->attach (	2966	cf::client->attach (
		2967	on_connect => sub {
		2968	my ($ns) = @_;
		2969
		2970	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2971	},
2214	on_reply => sub {	2972	on_reply => sub {
2215	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
2216		2974
2217	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
2218	# get handled first	2976	# get handled first
…		…
2230	} else {	2988	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	2990	}
2233	}	2991	}
2234	},	2992	},
		2993	on_exticmd => sub {
		2994	my ($ns, $buf) = @_;
		2995
		2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2997
		2998	if (ref $msg) {
		2999	my ($type, $reply, @payload) =
		3000	"ARRAY" eq ref $msg
		3001	? @$msg
		3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3003
		3004	my @reply;
		3005
		3006	if (my $cb = $EXTICMD{$type}) {
		3007	@reply = $cb->($ns, @payload);
		3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
		3013	} else {
		3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3015	}
		3016
		3017	cf::override;
		3018	},
2235	);	3019	);
2236		3020
2237	=item $client->async (\&cb)	3021	=item $client->async (\&cb)
2238		3022
2239	Create a new coroutine, running the specified callback. The coroutine will	3023	Create a new coroutine, running the specified callback. The coroutine will
…		…
2280	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
2282		3066
2283	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
2284		3068
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3069	$safe->permit_only (Opcode::opset qw(
		3070	:base_core :base_mem :base_orig :base_math
		3071	grepstart grepwhile mapstart mapwhile
		3072	sort time
		3073	));
2286		3074
2287	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
2288		3076
2289	=pod	3077	=pod
2290		3078
2291	The following functions and methods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2292		3080
2293	cf::object contr pay_amount pay_player map	3081	cf::object
		3082	contr pay_amount pay_player map x y force_find force_add destroy
		3083	insert remove name archname title slaying race decrease split
		3084	value
		3085
2294	cf::object::player player	3086	cf::object::player
2295	cf::player peaceful	3087	player
2296	cf::map trigger	3088
		3089	cf::player
		3090	peaceful
		3091
		3092	cf::map
		3093	trigger
2297		3094
2298	=cut	3095	=cut
2299		3096
2300	for (	3097	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3098	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3099	insert remove inv nrof name archname title slaying race
		3100	decrease split destroy change_exp value msg lore send_msg)],
2302	["cf::object::player" => qw(player)],	3101	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3102	["cf::player" => qw(peaceful send_msg)],
2304	["cf::map" => qw(trigger)],	3103	["cf::map" => qw(trigger)],
2305	) {	3104	) {
2306	no strict 'refs';	3105	no strict 'refs';
2307	my ($pkg, @funs) = @$_;	3106	my ($pkg, @funs) = @$_;
2308	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3107	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2325	my ($code, %vars) = @_;	3124	my ($code, %vars) = @_;
2326		3125
2327	my $qcode = $code;	3126	my $qcode = $code;
2328	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3127	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2329	$qcode =~ s/\n/\\n/g;	3128	$qcode =~ s/\n/\\n/g;
		3129
		3130	%vars = (_dummy => 0) unless %vars;
2330		3131
2331	local $_;	3132	local $_;
2332	local @safe::cf::_safe_eval_args = values %vars;	3133	local @safe::cf::_safe_eval_args = values %vars;
2333		3134
2334	my $eval =	3135	my $eval =
…		…
2377	=back	3178	=back
2378		3179
2379	=cut	3180	=cut
2380		3181
2381	#############################################################################	3182	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552
2553	#############################################################################
2554	# the server's init and main functions	3183	# the server's init and main functions
2555		3184
2556	sub load_facedata($) {	3185	sub load_facedata($) {
2557	my ($path) = @_;	3186	my ($path) = @_;
		3187
		3188	# HACK to clear player env face cache, we need some signal framework
		3189	# for this (global event?)
		3190	%ext::player_env::MUSIC_FACE_CACHE = ();
		3191
		3192	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2558		3193
2559	warn "loading facedata from $path\n";	3194	warn "loading facedata from $path\n";
2560		3195
2561	my $facedata;	3196	my $facedata;
2562	0 < aio_load $path, $facedata	3197	0 < aio_load $path, $facedata
…		…
2565	$facedata = Coro::Storable::thaw $facedata;	3200	$facedata = Coro::Storable::thaw $facedata;
2566		3201
2567	$facedata->{version} == 2	3202	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3203	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3204
		3205	# patch in the exptable
		3206	$facedata->{resource}{"res/exp_table"} = {
		3207	type => FT_RSRC,
		3208	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3209	};
		3210	cf::cede_to_tick;
		3211
2570	{	3212	{
2571	my $faces = $facedata->{faceinfo};	3213	my $faces = $facedata->{faceinfo};
2572		3214
2573	while (my ($face, $info) = each %$faces) {	3215	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3216	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3217
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3218	cf::face::set_visibility $idx, $info->{visibility};
		3219	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3220	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3221	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2578	Coro::cede;	3222
		3223	cf::cede_to_tick;
2579	}	3224	}
2580		3225
2581	while (my ($face, $info) = each %$faces) {	3226	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3227	next unless $info->{smooth};
		3228
2583	my $idx = cf::face::find $face	3229	my $idx = cf::face::find $face
2584	or next;	3230	or next;
		3231
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3232	if (my $smooth = cf::face::find $info->{smooth}) {
		3233	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3234	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3235	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3236	warn "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3237	}
2590	Coro::cede;	3238
		3239	cf::cede_to_tick;
2591	}	3240	}
2592	}	3241	}
2593		3242
2594	{	3243	{
2595	my $anims = $facedata->{animinfo};	3244	my $anims = $facedata->{animinfo};
2596		3245
2597	while (my ($anim, $info) = each %$anims) {	3246	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3247	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3248	cf::cede_to_tick;
2600	}	3249	}
2601		3250
2602	cf::anim::invalidate_all; # d'oh	3251	cf::anim::invalidate_all; # d'oh
2603	}	3252	}
2604		3253
		3254	{
		3255	# TODO: for gcfclient pleasure, we should give resources
		3256	# that gcfclient doesn't grok a >10000 face index.
		3257	my $res = $facedata->{resource};
		3258
		3259	while (my ($name, $info) = each %$res) {
		3260	if (defined $info->{type}) {
		3261	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3262	my $data;
		3263
		3264	if ($info->{type} & 1) {
		3265	# prepend meta info
		3266
		3267	my $meta = $enc->encode ({
		3268	name => $name,
		3269	%{ $info->{meta} || {} },
		3270	});
		3271
		3272	$data = pack "(w/a*)*", $meta, $info->{data};
		3273	} else {
		3274	$data = $info->{data};
		3275	}
		3276
		3277	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3278	cf::face::set_type $idx, $info->{type};
		3279	} else {
		3280	$RESOURCE{$name} = $info;
		3281	}
		3282
		3283	cf::cede_to_tick;
		3284	}
		3285	}
		3286
		3287	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3288
2605	1	3289	1
2606	}	3290	}
2607		3291
		3292	cf::global->attach (on_resource_update => sub {
		3293	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3294	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3295
		3296	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3297	my $sound = $soundconf->{compat}[$_]
		3298	or next;
		3299
		3300	my $face = cf::face::find "sound/$sound->[1]";
		3301	cf::sound::set $sound->[0] => $face;
		3302	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3303	}
		3304
		3305	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3306	my $face = cf::face::find "sound/$v";
		3307	cf::sound::set $k => $face;
		3308	}
		3309	}
		3310	});
		3311
		3312	register_exticmd fx_want => sub {
		3313	my ($ns, $want) = @_;
		3314
		3315	while (my ($k, $v) = each %$want) {
		3316	$ns->fx_want ($k, $v);
		3317	}
		3318	};
		3319
		3320	sub load_resource_file($) {
		3321	my $guard = lock_acquire "load_resource_file";
		3322
		3323	my $status = load_resource_file_ $_[0];
		3324	get_slot 0.1, 100;
		3325	cf::arch::commit_load;
		3326
		3327	$status
		3328	}
		3329
2608	sub reload_regions {	3330	sub reload_regions {
		3331	# HACK to clear player env face cache, we need some signal framework
		3332	# for this (global event?)
		3333	%ext::player_env::MUSIC_FACE_CACHE = ();
		3334
2609	load_resource_file "$MAPDIR/regions"	3335	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3336	or die "unable to load regions file\n";
		3337
		3338	for (cf::region::list) {
		3339	$_->{match} = qr/$_->{match}/
		3340	if exists $_->{match};
		3341	}
2611	}	3342	}
2612		3343
2613	sub reload_facedata {	3344	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3345	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3346	or die "unable to load facedata\n";
…		…
2626	}	3357	}
2627		3358
2628	sub reload_resources {	3359	sub reload_resources {
2629	warn "reloading resource files...\n";	3360	warn "reloading resource files...\n";
2630		3361
		3362	reload_facedata;
		3363	reload_archetypes;
2631	reload_regions;	3364	reload_regions;
2632	reload_facedata;
2633	#reload_archetypes;#d#
2634	reload_archetypes;
2635	reload_treasures;	3365	reload_treasures;
2636		3366
2637	warn "finished reloading resource files\n";	3367	warn "finished reloading resource files\n";
2638	}	3368	}
2639		3369
2640	sub init {	3370	sub reload_config {
2641	reload_resources;
2642	}
2643
2644	sub cfg_load {
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3371	open my $fh, "<:utf8", "$CONFDIR/config"
2646	or return;	3372	or return;
2647		3373
2648	local $/;	3374	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;	3375	*CFG = YAML::Load <$fh>;
2650		3376
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3377	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2652		3378
2653	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3379	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2654	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3380	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2660	};	3386	};
2661	warn $@ if $@;	3387	warn $@ if $@;
2662	}	3388	}
2663	}	3389	}
2664		3390
		3391	sub pidfile() {
		3392	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3393	or die "$PIDFILE: $!";
		3394	flock $fh, &Fcntl::LOCK_EX
		3395	or die "$PIDFILE: flock: $!";
		3396	$fh
		3397	}
		3398
		3399	# make sure only one server instance is running at any one time
		3400	sub atomic {
		3401	my $fh = pidfile;
		3402
		3403	my $pid = <$fh>;
		3404	kill 9, $pid if $pid > 0;
		3405
		3406	seek $fh, 0, 0;
		3407	print $fh $$;
		3408	}
		3409
		3410	sub main_loop {
		3411	warn "EV::loop starting\n";
		3412	if (1) {
		3413	EV::loop;
		3414	}
		3415	warn "EV::loop returned\n";
		3416	goto &main_loop unless $REALLY_UNLOOP;
		3417	}
		3418
2665	sub main {	3419	sub main {
		3420	cf::init_globals; # initialise logging
		3421
		3422	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3423	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3424	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3425	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3426
		3427	cf::init_experience;
		3428	cf::init_anim;
		3429	cf::init_attackmess;
		3430	cf::init_dynamic;
		3431
		3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3433
2666	# we must not ever block the main coroutine	3434	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3435	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3436	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3437	(async {
2670	Event::one_event;	3438	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3439	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3440	})->prio (Coro::PRIO_MAX);
2672	};	3441	};
2673		3442
2674	cfg_load;	3443	evthread_start IO::AIO::poll_fileno;
		3444
		3445	cf::sync_job {
		3446	reload_resources;
		3447	reload_config;
2675	db_init;	3448	db_init;
		3449
		3450	cf::load_settings;
		3451	cf::load_materials;
		3452	cf::init_uuid;
		3453	cf::init_signals;
		3454	cf::init_commands;
		3455	cf::init_skills;
		3456
		3457	cf::init_beforeplay;
		3458
		3459	atomic;
		3460
2676	load_extensions;	3461	load_extensions;
2677		3462
2678	$TICK_WATCHER->start;	3463	utime time, time, $RUNTIMEFILE;
2679	Event::loop;	3464
		3465	# no (long-running) fork's whatsoever before this point(!)
		3466	use POSIX ();
		3467	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3468
		3469	(pop @POST_INIT)->(0) while @POST_INIT;
		3470	};
		3471
		3472	main_loop;
2680	}	3473	}
2681		3474
2682	#############################################################################	3475	#############################################################################
2683	# initialisation and cleanup	3476	# initialisation and cleanup
2684		3477
2685	# install some emergency cleanup handlers	3478	# install some emergency cleanup handlers
2686	BEGIN {	3479	BEGIN {
		3480	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3481	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3482	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3483	cf::cleanup "SIG$signal";
2695	},
2696	);	3484	};
		3485	}
		3486	}
		3487
		3488	sub write_runtime_sync {
		3489	# first touch the runtime file to show we are still running:
		3490	# the fsync below can take a very very long time.
		3491
		3492	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3493
		3494	my $guard = cf::lock_acquire "write_runtime";
		3495
		3496	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3497	or return;
		3498
		3499	my $value = $cf::RUNTIME + 90 + 10;
		3500	# 10 is the runtime save interval, for a monotonic clock
		3501	# 60 allows for the watchdog to kill the server.
		3502
		3503	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3504	and return;
		3505
		3506	# always fsync - this file is important
		3507	aio_fsync $fh
		3508	and return;
		3509
		3510	# touch it again to show we are up-to-date
		3511	aio_utime $fh, undef, undef;
		3512
		3513	close $fh
		3514	or return;
		3515
		3516	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3517	and return;
		3518
		3519	warn "runtime file written.\n";
		3520
2697	}	3521	1
		3522	}
		3523
		3524	our $uuid_lock;
		3525	our $uuid_skip;
		3526
		3527	sub write_uuid_sync($) {
		3528	$uuid_skip ||= $_[0];
		3529
		3530	return if $uuid_lock;
		3531	local $uuid_lock = 1;
		3532
		3533	my $uuid = "$LOCALDIR/uuid";
		3534
		3535	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3536	or return;
		3537
		3538	my $value = uuid_seq uuid_cur;
		3539
		3540	unless ($value) {
		3541	warn "cowardly refusing to write zero uuid value!\n";
		3542	return;
		3543	}
		3544
		3545	my $value = uuid_str $value + $uuid_skip;
		3546	$uuid_skip = 0;
		3547
		3548	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3549	and return;
		3550
		3551	# always fsync - this file is important
		3552	aio_fsync $fh
		3553	and return;
		3554
		3555	close $fh
		3556	or return;
		3557
		3558	aio_rename "$uuid~", $uuid
		3559	and return;
		3560
		3561	warn "uuid file written ($value).\n";
		3562
		3563	1
		3564
		3565	}
		3566
		3567	sub write_uuid($$) {
		3568	my ($skip, $sync) = @_;
		3569
		3570	$sync ? write_uuid_sync $skip
		3571	: async { write_uuid_sync $skip };
2698	}	3572	}
2699		3573
2700	sub emergency_save() {	3574	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3575	my $freeze_guard = cf::freeze_mainloop;
2702		3576
2703	warn "enter emergency perl save\n";	3577	warn "emergency_perl_save: enter\n";
2704		3578
2705	cf::sync_job {	3579	cf::sync_job {
		3580	# this is a trade-off: we want to be very quick here, so
		3581	# save all maps without fsync, and later call a global sync
		3582	# (which in turn might be very very slow)
		3583	local $USE_FSYNC = 0;
		3584
2706	# use a peculiar iteration method to avoid tripping on perl	3585	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3586	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3587	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3588	warn "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3589	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3590	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3591	$pl->valid or next;
		3592	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3593	$pl->save;
2714	}	3594	}
2715	warn "end emergency player save\n";	3595	warn "emergency_perl_save: end player save\n";
2716		3596
2717	warn "begin emergency map save\n";	3597	warn "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3598	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3599	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3600	$map->valid or next;
2721	$map->save;	3601	$map->save;
2722	}	3602	}
2723	warn "end emergency map save\n";	3603	warn "emergency_perl_save: end map save\n";
2724		3604
2725	warn "begin emergency database checkpoint\n";	3605	warn "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3606	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3607	warn "emergency_perl_save: end database checkpoint\n";
		3608
		3609	warn "emergency_perl_save: begin write uuid\n";
		3610	write_uuid_sync 1;
		3611	warn "emergency_perl_save: end write uuid\n";
2728	};	3612	};
2729		3613
		3614	warn "emergency_perl_save: starting sync()\n";
		3615	IO::AIO::aio_sync sub {
		3616	warn "emergency_perl_save: finished sync()\n";
		3617	};
		3618
2730	warn "leave emergency perl save\n";	3619	warn "emergency_perl_save: leave\n";
2731	}	3620	}
2732		3621
2733	sub post_cleanup {	3622	sub post_cleanup {
2734	my ($make_core) = @_;	3623	my ($make_core) = @_;
2735		3624
2736	warn Carp::longmess "post_cleanup backtrace"	3625	warn Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3626	if $make_core;
		3627
		3628	my $fh = pidfile;
		3629	unlink $PIDFILE if <$fh> == $$;
		3630	}
		3631
		3632	# a safer delete_package, copied from Symbol
		3633	sub clear_package($) {
		3634	my $pkg = shift;
		3635
		3636	# expand to full symbol table name if needed
		3637	unless ($pkg =~ /^main::.*::$/) {
		3638	$pkg = "main$pkg" if $pkg =~ /^::/;
		3639	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3640	$pkg .= '::' unless $pkg =~ /::$/;
		3641	}
		3642
		3643	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3644	my $stem_symtab = *{$stem}{HASH};
		3645
		3646	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3647	or return;
		3648
		3649	# clear all symbols
		3650	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3651	for my $name (keys %$leaf_symtab) {
		3652	_gv_clear *{"$pkg$name"};
		3653	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3654	}
		3655	warn "cleared package $pkg\n";#d#
2738	}	3656	}
2739		3657
2740	sub do_reload_perl() {	3658	sub do_reload_perl() {
2741	# can/must only be called in main	3659	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3660	if ($Coro::current != $Coro::main) {
2743	warn "can only reload from main coroutine";	3661	warn "can only reload from main coroutine";
2744	return;	3662	return;
2745	}	3663	}
2746		3664
		3665	return if $RELOAD++;
		3666
		3667	my $t1 = EV::time;
		3668
		3669	while ($RELOAD) {
2747	warn "reloading...";	3670	warn "reloading...";
2748		3671
2749	warn "entering sync_job";	3672	warn "entering sync_job";
2750		3673
2751	cf::sync_job {	3674	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark	3675	cf::write_runtime_sync; # external watchdog should not bark
2753	cf::emergency_save;	3676	cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark	3677	cf::write_runtime_sync; # external watchdog should not bark
2755		3678
2756	warn "syncing database to disk";	3679	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3680	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3681
2759	# if anything goes wrong in here, we should simply crash as we already saved	3682	# if anything goes wrong in here, we should simply crash as we already saved
2760		3683
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";	3684	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3685	while (IO::AIO::nreqs || BDB::nreqs) {
2772	warn "iterate...";	3686	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();
2780
2781	warn "removing commands";
2782	%COMMAND = ();
2783
2784	warn "removing ext commands";
2785	%EXTCMD = ();
2786
2787	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";
2790
2791	if (my $cb = $pkg->can ("unload")) {
2792	eval {
2793	$cb->($pkg);
2794	1
2795	} or warn "$pkg unloaded, but with errors: $@";
2796	}	3687	}
2797		3688
2798	warn "... nuking $pkg";	3689	warn "cancelling all extension coros";
2799	Symbol::delete_package $pkg;	3690	$_->cancel for values %EXT_CORO;
2800	}	3691	%EXT_CORO = ();
2801		3692
2802	warn "unloading all perl modules loaded from $LIBDIR";	3693	warn "removing commands";
2803	while (my ($k, $v) = each %INC) {	3694	%COMMAND = ();
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3695
		3696	warn "removing ext/exti commands";
		3697	%EXTCMD = ();
		3698	%EXTICMD = ();
		3699
		3700	warn "unloading/nuking all extensions";
		3701	for my $pkg (@EXTS) {
2806	warn "... unloading $k";	3702	warn "... unloading $pkg";
2807	delete $INC{$k};
2808		3703
2809	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;
2811
2812	if (my $cb = $k->can ("unload_module")) {	3704	if (my $cb = $pkg->can ("unload")) {
		3705	eval {
2813	$cb->();	3706	$cb->($pkg);
		3707	1
		3708	} or warn "$pkg unloaded, but with errors: $@";
		3709	}
		3710
		3711	warn "... clearing $pkg";
		3712	clear_package $pkg;
2814	}	3713	}
2815		3714
2816	Symbol::delete_package $k;	3715	warn "unloading all perl modules loaded from $LIBDIR";
		3716	while (my ($k, $v) = each %INC) {
		3717	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3718
		3719	warn "... unloading $k";
		3720	delete $INC{$k};
		3721
		3722	$k =~ s/\.pm$//;
		3723	$k =~ s/\//::/g;
		3724
		3725	if (my $cb = $k->can ("unload_module")) {
		3726	$cb->();
		3727	}
		3728
		3729	clear_package $k;
2817	}	3730	}
2818		3731
2819	warn "getting rid of safe::, as good as possible";	3732	warn "getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3733	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3734	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3735
2823	warn "unloading cf.pm \"a bit\"";	3736	warn "unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3737	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3738	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		3739
2827	# don't, removes xs symbols, too,	3740	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3741	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3742	#clear_package __PACKAGE__;
2830		3743
2831	warn "unload completed, starting to reload now";	3744	warn "unload completed, starting to reload now";
2832		3745
2833	warn "reloading cf.pm";	3746	warn "reloading cf.pm";
2834	require cf;	3747	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3748	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836		3749
2837	warn "loading config and database again";	3750	warn "loading config and database again";
2838	cf::cfg_load;	3751	cf::reload_config;
2839		3752
2840	warn "loading extensions";	3753	warn "loading extensions";
2841	cf::load_extensions;	3754	cf::load_extensions;
2842		3755
		3756	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	3757	warn "reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3758	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3759	warn "reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3760	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3761	warn "reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3762	reattach $_ for values %PLAYER;
		3763	}
2849		3764
		3765	warn "running post_init jobs";
		3766	(pop @POST_INIT)->(1) while @POST_INIT;
		3767
2850	warn "leaving sync_job";	3768	warn "leaving sync_job";
2851		3769
2852	1	3770	1
2853	} or do {	3771	} or do {
2854	warn $@;	3772	warn $@;
2855	warn "error while reloading, exiting.";	3773	cf::cleanup "error while reloading, exiting.";
2856	exit 1;
2857	};	3774	};
2858		3775
2859	warn "reloaded";	3776	warn "reloaded";
		3777	--$RELOAD;
		3778	}
		3779
		3780	$t1 = EV::time - $t1;
		3781	warn "reload completed in ${t1}s\n";
2860	};	3782	};
2861		3783
2862	our $RELOAD_WATCHER; # used only during reload	3784	our $RELOAD_WATCHER; # used only during reload
2863		3785
2864	sub reload_perl() {	3786	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3787	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3788	# coro crashes during coro_state_free->destroy here.
2867		3789
2868	$RELOAD_WATCHER ||= Event->timer (	3790	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	3791	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	3792
2871	data => WF_AUTOCANCEL,	3793	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	3794	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3795	undef $RELOAD_WATCHER;
2875	},	3796	};
2876	);	3797	};
2877	}	3798	}
2878		3799
2879	register_command "reload" => sub {	3800	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3801	my ($who, $arg) = @_;
2881		3802
2882	if ($who->flag (FLAG_WIZ)) {	3803	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3804	$who->message ("reloading server.");
		3805	async {
		3806	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3807	reload_perl;
		3808	};
2885	}	3809	}
2886	};	3810	};
2887		3811
2888	unshift @INC, $LIBDIR;	3812	unshift @INC, $LIBDIR;
2889		3813
…		…
2891		3815
2892	our @WAIT_FOR_TICK;	3816	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	3817	our @WAIT_FOR_TICK_BEGIN;
2894		3818
2895	sub wait_for_tick {	3819	sub wait_for_tick {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	3820	return if tick_inhibit || $Coro::current == $Coro::main;
2898		3821
2899	my $signal = new Coro::Signal;	3822	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	3823	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	3824	$signal->wait;
2902	}	3825	}
2903		3826
2904	sub wait_for_tick_begin {	3827	sub wait_for_tick_begin {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	3828	return if tick_inhibit || $Coro::current == $Coro::main;
2907		3829
2908	my $signal = new Coro::Signal;	3830	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3831	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3832	$signal->wait;
2911	}	3833	}
2912		3834
2913	my $min = 1e6;#d#	3835	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	3836	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3837	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	3838	unless ++$bug_warning > 10;
2925	return;	3839	return;
2926	}	3840	}
2927		3841
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	3842	cf::server_tick; # one server iteration
2931		3843
2932	0 && sync_job {#d#	3844	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2933	for(1..10) {	3845	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2934	my $t = Event::time;	3846	Coro::async_pool {
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3847	$Coro::current->{desc} = "runtime saver";
2936	or die;	3848	write_runtime_sync
2937		3849	or warn "ERROR: unable to write runtime file: $!";
2938	$map->width (50);
2939	$map->height (50);
2940	$map->alloc;
2941	$map->_load_objects ("/tmp/x.map", 1);
2942	my $t = Event::time - $t;
2943
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	3850	};
		3851	}
2954		3852
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3853	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3854	$sig->send;
2971	}	3855	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3856	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3857	$sig->send;
2974	}	3858	}
2975		3859
2976	$NOW = Event::time;	3860	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3861	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3862
2987	_post_tick;	3863	if (0) {
2988		3864	if ($NEXT_TICK) {
2989		3865	my $jitter = $TICK_START - $NEXT_TICK;
		3866	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3867	warn "jitter $JITTER\n";#d#
		3868	}
2990	},	3869	}
2991	);	3870	}
2992		3871
2993	{	3872	{
2994	BDB::max_poll_time $TICK * 0.1;	3873	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	3874
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	3875	BDB::min_parallel 8;
3004		3876	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	3877	$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		3878
3020	unless ($DB_ENV) {	3879	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	3880	$DB_ENV = BDB::db_env_create;
		3881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3882	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3883	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3884	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3885	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		3886
3023	cf::sync_job {	3887	cf::sync_job {
3024	eval {	3888	eval {
3025	BDB::db_env_open	3889	BDB::db_env_open
3026	$DB_ENV,	3890	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3892	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3893	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3894	0666;
3031		3895
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3896	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	3897	};
3037		3898
3038	cf::cleanup "db_env_open(db): $@" if $@;	3899	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3900	};
3040	}	3901	}
		3902
		3903	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3904	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3905	};
		3906	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3907	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3908	};
		3909	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3910	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3911	};
3041	}	3912	}
3042		3913
3043	{	3914	{
		3915	# configure IO::AIO
		3916
3044	IO::AIO::min_parallel 8;	3917	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	3918	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	3919	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	3920	}
3057		3921
3058	my $_log_backtrace;	3922	my $_log_backtrace;
3059		3923
3060	sub _log_backtrace {	3924	sub _log_backtrace {
…		…
3063	$msg =~ s/\n//;	3927	$msg =~ s/\n//;
3064		3928
3065	# limit the # of concurrent backtraces	3929	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	3930	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	3931	++$_log_backtrace;
		3932	my $perl_bt = Carp::longmess $msg;
3068	async {	3933	async {
		3934	$Coro::current->{desc} = "abt $msg";
		3935
3069	my @bt = fork_call {	3936	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	3937	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3938	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3939	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	3940	or die "addr2line: $!";
…		…
3081	}	3948	}
3082		3949
3083	@funcs	3950	@funcs
3084	};	3951	};
3085		3952
3086	LOG llevInfo, "[ABT] $msg\n";	3953	LOG llevInfo, "[ABT] $perl_bt\n";
		3954	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	3955	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	3956	--$_log_backtrace;
3089	};	3957	};
3090	} else {	3958	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	3959	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	3960	LOG llevInfo, "[ABT] [suppressed]\n";
3093	}	3961	}
3094	}	3962	}
3095		3963
3096	# load additional modules	3964	# load additional modules
3097	use cf::pod;	3965	require "cf/$_.pm" for @EXTRA_MODULES;
3098		3966
3099	END { cf::emergency_save }	3967	END { cf::emergency_save }
3100		3968
3101	1	3969	1
3102		3970

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