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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.272 by root, Sun Jun 3 15:32:50 2007 UTC vs.
Revision 1.452 by root, Tue Sep 23 00:24:52 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	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	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		74
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		76
49	our %COMMAND = ();	77	our %COMMAND = ();
50	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
51		79
52	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
56		85
57	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	87	our @EVENT;
59		88
60	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	90	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
71		104
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	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	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	107	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	113	our $DB_ENV;
82		114
83	our %CFG;	115	our %CFG;
84		116
85	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
87		120
88	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
91		124
92	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		127
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
98		132
99	binmode STDOUT;	133	binmode STDOUT;
100	binmode STDERR;	134	binmode STDERR;
101		135
102	# read virtual server time, if available	136	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	138	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
107	}	141	}
108		142
109	mkdir $_	143	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		189
156	The raw value load value from the last tick.	190	The raw value load value from the last tick.
157		191
158	=item %cf::CFG	192	=item %cf::CFG
159		193
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	195	from wherever your confdir points to.
162		196
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		198
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	199	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	200	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.	201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		202
		203	=item @cf::INVOKE_RESULTS
		204
		205	This array contains the results of the last C<invoke ()> call. When
		206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		207	that call.
		208
169	=back	209	=back
170		210
171	=cut	211	=cut
172		212
173	BEGIN {	213	BEGIN {
…		…
177	$msg .= "\n"	217	$msg .= "\n"
178	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
179		219
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		221
182	utf8::encode $msg;
183	LOG llevError, $msg;	222	LOG llevError, $msg;
184	};	223	};
185	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
186		240
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	245	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		246	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	247	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		248
194	# we bless all objects into (empty) derived classes to force a method lookup	249	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	250	# within the Safe compartment.
196	for my $pkg (qw(	251	for my $pkg (qw(
197	cf::global cf::attachable	252	cf::global cf::attachable
198	cf::object cf::object::player	253	cf::object cf::object::player
199	cf::client cf::player	254	cf::client cf::player
200	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
201	cf::map cf::party cf::region	257	cf::party cf::region
202	)) {	258	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	260	}
206		261
207	$Event::DIED = sub {	262	$EV::DIED = sub {
208	warn "error in event callback: @_";	263	warn "error in event callback: @_";
209	};	264	};
		265
		266	#############################################################################
210		267
211	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
212		269
213	=over 4	270	=over 4
214		271
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	291	$d
235	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
236	}	293	}
237		294
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
241		296
242	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
243		298
244	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
245		300
246	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
		302
		303	=cut
		304
		305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		306
		307	sub encode_json($) { $json_coder->encode ($_[0]) }
		308	sub decode_json($) { $json_coder->decode ($_[0]) }
247		309
248	=item cf::lock_wait $string	310	=item cf::lock_wait $string
249		311
250	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
251		313
…		…
254	Wait until the given lock is available and then acquires it and returns	316	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	317	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
257	returned.	319	returned.
258		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
259	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
261		326
262	=item $locked = cf::lock_active $string	327	=item $locked = cf::lock_active $string
263		328
264	Return true if the lock is currently active, i.e. somebody has locked it.	329	Return true if the lock is currently active, i.e. somebody has locked it.
265		330
266	=cut	331	=cut
267		332
268	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
269		335
270	sub lock_wait($) {	336	sub lock_wait($) {
271	my ($key) = @_;	337	my ($key) = @_;
272		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
		343
273	# wait for lock, if any	344	# wait for lock, if any
274	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
		346	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
275	push @{ $LOCK{$key} }, $Coro::current;	347	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	348	Coro::schedule;
277	}	349	}
278	}	350	}
279		351
…		…
282		354
283	# wait, to be sure we are not locked	355	# wait, to be sure we are not locked
284	lock_wait $key;	356	lock_wait $key;
285		357
286	$LOCK{$key} = [];	358	$LOCK{$key} = [];
		359	$LOCKER{$key} = $Coro::current;#d#
287		360
288	Coro::guard {	361	Coro::guard {
		362	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	363	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	364	$_->ready for @{ delete $LOCK{$key} };
291	}	365	}
292	}	366	}
293		367
…		…
296		370
297	! ! $LOCK{$key}	371	! ! $LOCK{$key}
298	}	372	}
299		373
300	sub freeze_mainloop {	374	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	375	tick_inhibit_inc;
302		376
303	my $guard = Coro::guard {	377	Coro::guard \&tick_inhibit_dec;
304	$TICK_WATCHER->start;	378	}
		379
		380	=item cf::periodic $interval, $cb
		381
		382	Like EV::periodic, but randomly selects a starting point so that the actions
		383	get spread over timer.
		384
		385	=cut
		386
		387	sub periodic($$) {
		388	my ($interval, $cb) = @_;
		389
		390	my $start = rand List::Util::min 180, $interval;
		391
		392	EV::periodic $start, $interval, 0, $cb
		393	}
		394
		395	=item cf::get_slot $time[, $priority[, $name]]
		396
		397	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		398	This call blocks and returns only when you have at least C<$time> seconds
		399	of cpu time till the next tick. The slot is only valid till the next cede.
		400
		401	The optional C<$name> can be used to identify the job to run. It might be
		402	used for statistical purposes and should identify the same time-class.
		403
		404	Useful for short background jobs.
		405
		406	=cut
		407
		408	our @SLOT_QUEUE;
		409	our $SLOT_QUEUE;
		410
		411	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		412	$SLOT_QUEUE = Coro::async {
		413	$Coro::current->desc ("timeslot manager");
		414
		415	my $signal = new Coro::Signal;
		416
		417	while () {
		418	next_job:
		419	my $avail = cf::till_tick;
		420	if ($avail > 0.01) {
		421	for (0 .. $#SLOT_QUEUE) {
		422	if ($SLOT_QUEUE[$_][0] < $avail) {
		423	my $job = splice @SLOT_QUEUE, $_, 1, ();
		424	$job->[2]->send;
		425	Coro::cede;
		426	goto next_job;
		427	}
		428	}
		429	}
		430
		431	if (@SLOT_QUEUE) {
		432	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		433	push @cf::WAIT_FOR_TICK, $signal;
		434	$signal->wait;
		435	} else {
		436	Coro::schedule;
		437	}
305	};	438	}
306	$TICK_WATCHER->stop;	439	};
307	$guard	440
		441	sub get_slot($;$$) {
		442	return if tick_inhibit || $Coro::current == $Coro::main;
		443
		444	my ($time, $pri, $name) = @_;
		445
		446	$time = $TICK * .6 if $time > $TICK * .6;
		447	my $sig = new Coro::Signal;
		448
		449	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		450	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		451	$SLOT_QUEUE->ready;
		452	$sig->wait;
308	}	453	}
309		454
310	=item cf::async { BLOCK }	455	=item cf::async { BLOCK }
311		456
312	Currently the same as Coro::async_pool, meaning you cannot use	457	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		462
318	BEGIN { *async = \&Coro::async_pool }	463	BEGIN { *async = \&Coro::async_pool }
319		464
320	=item cf::sync_job { BLOCK }	465	=item cf::sync_job { BLOCK }
321		466
322	The design of crossfire+ requires that the main coro ($Coro::main) is	467	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	468	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	469	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		470	acceptable.
325		471
326	If it must be done, put the blocking parts into C<sync_job>. This will run	472	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	473	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	474	server will be frozen during this time, so the block should either finish
329	fast or be very important.	475	fast or be very important.
…		…
332		478
333	sub sync_job(&) {	479	sub sync_job(&) {
334	my ($job) = @_;	480	my ($job) = @_;
335		481
336	if ($Coro::current == $Coro::main) {	482	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	483	my $time = EV::time;
338		484
339	# this is the main coro, too bad, we have to block	485	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	486	# till the operation succeeds, freezing the server :/
341		487
342	# TODO: use suspend/resume instead	488	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	489
344	my $freeze_guard = freeze_mainloop;	490	my $freeze_guard = freeze_mainloop;
345		491
346	my $busy = 1;	492	my $busy = 1;
347	my @res;	493	my @res;
348		494
349	(async {	495	(async {
		496	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	497	@res = eval { $job->() };
351	warn $@ if $@;	498	warn $@ if $@;
352	undef $busy;	499	undef $busy;
353	})->prio (Coro::PRIO_MAX);	500	})->prio (Coro::PRIO_MAX);
354		501
355	while ($busy) {	502	while ($busy) {
356	Coro::cede or Event::one_event;	503	if (Coro::nready) {
		504	Coro::cede_notself;
		505	} else {
		506	EV::loop EV::LOOP_ONESHOT;
357	}	507	}
		508	}
358		509
359	$time = Event::time - $time;	510	my $time = EV::time - $time;
360		511
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	512	$TICK_START += $time; # do not account sync jobs to server load
365		513
366	wantarray ? @res : $res[0]	514	wantarray ? @res : $res[0]
367	} else {	515	} else {
368	# we are in another coroutine, how wonderful, everything just works	516	# we are in another coroutine, how wonderful, everything just works
369		517
…		…
389	$EXT_CORO{$coro+0} = $coro;	537	$EXT_CORO{$coro+0} = $coro;
390		538
391	$coro	539	$coro
392	}	540	}
393		541
394	sub write_runtime {	542	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		543
397	# first touch the runtime file to show we are still running:	544	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	545	process, returning the results. Everything must be serialisable with
		546	Coro::Storable. May, of course, block. Note that the executed sub may
		547	never block itself or use any form of event handling.
399		548
400	IO::AIO::aio_utime $runtime, undef, undef;	549	=cut
401		550
402	my $guard = cf::lock_acquire "write_runtime";	551	sub fork_call(&@) {
		552	my ($cb, @args) = @_;
403		553
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	554	# we seemingly have to make a local copy of the whole thing,
405	or return;	555	# otherwise perl prematurely frees the stuff :/
		556	# TODO: investigate and fix (likely this will be rather laborious)
406		557
407	my $value = $cf::RUNTIME + 90 + 10;	558	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	559	reset_signals;
409	# 60 allows for the watchdog to kill the server.	560	&$cb
		561	}, @args;
410		562
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	563	wantarray ? @res : $res[-1]
412	and return;	564	}
413		565
414	# always fsync - this file is important	566	=item $coin = coin_from_name $name
415	aio_fsync $fh
416	and return;
417		567
418	# touch it again to show we are up-to-date	568	=cut
419	aio_utime $fh, undef, undef;
420		569
421	close $fh	570	our %coin_alias = (
422	or return;	571	"silver" => "silvercoin",
		572	"silvercoin" => "silvercoin",
		573	"silvercoins" => "silvercoin",
		574	"gold" => "goldcoin",
		575	"goldcoin" => "goldcoin",
		576	"goldcoins" => "goldcoin",
		577	"platinum" => "platinacoin",
		578	"platinumcoin" => "platinacoin",
		579	"platinumcoins" => "platinacoin",
		580	"platina" => "platinacoin",
		581	"platinacoin" => "platinacoin",
		582	"platinacoins" => "platinacoin",
		583	"royalty" => "royalty",
		584	"royalties" => "royalty",
		585	);
423		586
424	aio_rename "$runtime~", $runtime	587	sub coin_from_name($) {
425	and return;	588	$coin_alias{$_[0]}
		589	? cf::arch::find $coin_alias{$_[0]}
		590	: undef
		591	}
426		592
427	warn "runtime file written.\n";#d#	593	=item $value = cf::db_get $family => $key
428		594
		595	Returns a single value from the environment database.
		596
		597	=item cf::db_put $family => $key => $value
		598
		599	Stores the given C<$value> in the family. It can currently store binary
		600	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		601
		602	=item $db = cf::db_table "name"
		603
		604	Create and/or open a new database table. The string must not be "db" and must be unique
		605	within each server.
		606
		607	=cut
		608
		609	sub db_table($) {
		610	my ($name) = @_;
		611	my $db = BDB::db_create $DB_ENV;
		612
		613	eval {
		614	$db->set_flags (BDB::CHKSUM);
		615
		616	utf8::encode $name;
		617	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		618	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		619	cf::cleanup "db_open(db): $!" if $!;
		620	};
		621	cf::cleanup "db_open(db): $@" if $@;
		622
		623	$db
		624	}
		625
		626	our $DB;
		627
		628	sub db_init {
		629	cf::sync_job {
		630	$DB ||= db_table "db";
		631	};
		632	}
		633
		634	sub db_get($$) {
		635	my $key = "$_[0]/$_[1]";
		636
		637	cf::sync_job {
		638	BDB::db_get $DB, undef, $key, my $data;
		639
		640	$! ? ()
		641	: $data
429	1	642	}
		643	}
		644
		645	sub db_put($$$) {
		646	BDB::dbreq_pri 4;
		647	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		648	}
		649
		650	=item cf::cache $id => [$paths...], $processversion => $process
		651
		652	Generic caching function that returns the value of the resource $id,
		653	caching and regenerating as required.
		654
		655	This function can block.
		656
		657	=cut
		658
		659	sub cache {
		660	my ($id, $src, $processversion, $process) = @_;
		661
		662	my $meta =
		663	join "\x00",
		664	$processversion,
		665	map {
		666	aio_stat $_
		667	and Carp::croak "$_: $!";
		668
		669	($_, (stat _)[7,9])
		670	} @$src;
		671
		672	my $dbmeta = db_get cache => "$id/meta";
		673	if ($dbmeta ne $meta) {
		674	# changed, we may need to process
		675
		676	my @data;
		677	my $md5;
		678
		679	for (0 .. $#$src) {
		680	0 <= aio_load $src->[$_], $data[$_]
		681	or Carp::croak "$src->[$_]: $!";
		682	}
		683
		684	# if processing is expensive, check
		685	# checksum first
		686	if (1) {
		687	$md5 =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	cf::cede_to_tick;
		692	($src->[$_], Digest::MD5::md5_hex $data[$_])
		693	} 0.. $#$src;
		694
		695
		696	my $dbmd5 = db_get cache => "$id/md5";
		697	if ($dbmd5 eq $md5) {
		698	db_put cache => "$id/meta", $meta;
		699
		700	return db_get cache => "$id/data";
		701	}
		702	}
		703
		704	my $t1 = Time::HiRes::time;
		705	my $data = $process->(\@data);
		706	my $t2 = Time::HiRes::time;
		707
		708	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		709
		710	db_put cache => "$id/data", $data;
		711	db_put cache => "$id/md5" , $md5;
		712	db_put cache => "$id/meta", $meta;
		713
		714	return $data;
		715	}
		716
		717	db_get cache => "$id/data"
430	}	718	}
431		719
432	=item cf::datalog type => key => value, ...	720	=item cf::datalog type => key => value, ...
433		721
434	Log a datalog packet of the given type with the given key-value pairs.	722	Log a datalog packet of the given type with the given key-value pairs.
…		…
446		734
447	#############################################################################	735	#############################################################################
448		736
449	=head2 ATTACHABLE OBJECTS	737	=head2 ATTACHABLE OBJECTS
450		738
451	Many objects in crossfire are so-called attachable objects. That means you can	739	Many objects in deliantra are so-called attachable objects. That means you can
452	attach callbacks/event handlers (a collection of which is called an "attachment")	740	attach callbacks/event handlers (a collection of which is called an "attachment")
453	to it. All such attachable objects support the following methods.	741	to it. All such attachable objects support the following methods.
454		742
455	In the following description, CLASS can be any of C<global>, C<object>	743	In the following description, CLASS can be any of C<global>, C<object>
456	C<player>, C<client> or C<map> (i.e. the attachable objects in	744	C<player>, C<client> or C<map> (i.e. the attachable objects in
457	crossfire+).	745	Deliantra).
458		746
459	=over 4	747	=over 4
460		748
461	=item $attachable->attach ($attachment, key => $value...)	749	=item $attachable->attach ($attachment, key => $value...)
462		750
…		…
506	=item cf::CLASS::attachment $name, ...	794	=item cf::CLASS::attachment $name, ...
507		795
508	Register an attachment by C<$name> through which attachable objects of the	796	Register an attachment by C<$name> through which attachable objects of the
509	given CLASS can refer to this attachment.	797	given CLASS can refer to this attachment.
510		798
511	Some classes such as crossfire maps and objects can specify attachments	799	Some classes such as deliantra maps and objects can specify attachments
512	that are attached at load/instantiate time, thus the need for a name.	800	that are attached at load/instantiate time, thus the need for a name.
513		801
514	These calls expect any number of the following handler/hook descriptions:	802	These calls expect any number of the following handler/hook descriptions:
515		803
516	=over 4	804	=over 4
…		…
664	_attach $registry, $klass, @attach;	952	_attach $registry, $klass, @attach;
665	}	953	}
666		954
667	$obj->{$name} = \%arg;	955	$obj->{$name} = \%arg;
668	} else {	956	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	957	warn "object uses attachment '$name' which is not available, postponing.\n";
670	}	958	}
671		959
672	$obj->{_attachment}{$name} = undef;	960	$obj->{_attachment}{$name} = undef;
673	}	961	}
674		962
…		…
714	";	1002	";
715	die if $@;	1003	die if $@;
716	}	1004	}
717		1005
718	our $override;	1006	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1007	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		1008
721	sub override {	1009	sub override {
722	$override = 1;	1010	$override = 1;
723	@invoke_results = ();	1011	@INVOKE_RESULTS = (@_);
724	}	1012	}
725		1013
726	sub do_invoke {	1014	sub do_invoke {
727	my $event = shift;	1015	my $event = shift;
728	my $callbacks = shift;	1016	my $callbacks = shift;
729		1017
730	@invoke_results = ();	1018	@INVOKE_RESULTS = ();
731		1019
732	local $override;	1020	local $override;
733		1021
734	for (@$callbacks) {	1022	for (@$callbacks) {
735	eval { &{$_->[1]} };	1023	eval { &{$_->[1]} };
…		…
744	}	1032	}
745		1033
746	0	1034	0
747	}	1035	}
748		1036
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1038
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1039	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1040
753	Generate an object-specific event with the given arguments.	1041	Generate an object-specific event with the given arguments.
754		1042
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1043	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	1044	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	1045	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1046
759	=back	1047	=back
760		1048
761	=cut	1049	=cut
762		1050
763	#############################################################################	1051	#############################################################################
764	# object support	1052	# object support
		1053
		1054	sub _object_equal($$);
		1055	sub _object_equal($$) {
		1056	my ($a, $b) = @_;
		1057
		1058	return 0 unless (ref $a) eq (ref $b);
		1059
		1060	if ("HASH" eq ref $a) {
		1061	my @ka = keys %$a;
		1062	my @kb = keys %$b;
		1063
		1064	return 0 if @ka != @kb;
		1065
		1066	for (0 .. $#ka) {
		1067	return 0 unless $ka[$_] eq $kb[$_];
		1068	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1069	}
		1070
		1071	} elsif ("ARRAY" eq ref $a) {
		1072
		1073	return 0 if @$a != @$b;
		1074
		1075	for (0 .. $#$a) {
		1076	return 0 unless _object_equal $a->[$_], $b->[$_];
		1077	}
		1078
		1079	} elsif ($a ne $b) {
		1080	return 0;
		1081	}
		1082
		1083	1
		1084	}
		1085
		1086	our $SLOW_MERGES;#d#
		1087	sub _can_merge {
		1088	my ($ob1, $ob2) = @_;
		1089
		1090	++$SLOW_MERGES;#d#
		1091
		1092	# we do the slow way here
		1093	return _object_equal $ob1, $ob2
		1094	}
765		1095
766	sub reattach {	1096	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1097	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1098	my ($obj) = @_;
769		1099
		1100	# no longer needed after getting rid of delete_package?
770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1101	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771		1102
772	my $registry = $obj->registry;	1103	my $registry = $obj->registry;
773		1104
774	@$registry = ();	1105	@$registry = ();
775		1106
…		…
790	cf::attachable->attach (	1121	cf::attachable->attach (
791	prio => -1000000,	1122	prio => -1000000,
792	on_instantiate => sub {	1123	on_instantiate => sub {
793	my ($obj, $data) = @_;	1124	my ($obj, $data) = @_;
794		1125
795	$data = from_json $data;	1126	$data = decode_json $data;
796		1127
797	for (@$data) {	1128	for (@$data) {
798	my ($name, $args) = @$_;	1129	my ($name, $args) = @$_;
799		1130
800	$obj->attach ($name, %{$args || {} });	1131	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1147	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1148	my ($filename, $rdata, $objs) = @_;
818		1149
819	sync_job {	1150	sync_job {
820	if (length $$rdata) {	1151	if (length $$rdata) {
		1152	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1153	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1154	$decname, length $$rdata, scalar @$objs;
823		1155
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1158	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1159	aio_fsync $fh if $cf::USE_FSYNC;
828	close $fh;	1160	aio_close $fh;
829		1161
830	if (@$objs) {	1162	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1167	aio_fsync $fh if $cf::USE_FSYNC;
836	close $fh;	1168	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1169	aio_rename "$filename.pst~", "$filename.pst";
838	}	1170	}
839	} else {	1171	} else {
840	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
841	}	1173	}
…		…
846	}	1178	}
847	} else {	1179	} else {
848	aio_unlink $filename;	1180	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
850	}	1182	}
851	}	1183	};
852	}	1184	}
853		1185
854	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
856		1188
…		…
868	or return;	1200	or return;
869		1201
870	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
872	or return;	1204	or return;
		1205
873	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
874	}	1208	}
875		1209
		1210	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1212	$decname, length $data, scalar @{$av || []};
		1213
878	return ($data, $av);	1214	($data, $av)
879	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
880		1222
881	#############################################################################	1223	#############################################################################
882	# command handling &c	1224	# command handling &c
883		1225
884	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1240	}
899		1241
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1243
902	Register a callbackf ro execution when the client sends an extcmd packet.	1244	Register a callback for execution when the client sends an (synchronous)
		1245	extcmd packet. Ext commands will be processed in the order they are
		1246	received by the server, like other user commands. The first argument is
		1247	the logged-in player. Ext commands can only be processed after a player
		1248	has logged in successfully.
903		1249
904	If the callback returns something, it is sent back as if reply was being	1250	If the callback returns something, it is sent back as if reply was being
905	called.	1251	called.
906		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
907	=cut	1264	=cut
908		1265
909	sub register_extcmd {	1266	sub register_extcmd {
910	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
911		1268
912	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
		1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
913	}	1276	}
914		1277
915	cf::player->attach (	1278	cf::player->attach (
916	on_command => sub {	1279	on_command => sub {
917	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1289	cf::override;
927	},	1290	},
928	on_extcmd => sub {	1291	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
930		1293
931	my $msg = eval { from_json $buf };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1295
933	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
939	} else {	1311	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1313	}
942		1314
943	cf::override;	1315	cf::override;
944	},	1316	},
945	);	1317	);
946		1318
947	sub load_extension {
948	my ($path) = @_;
949
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}
975	die $@;
976	}
977
978	push @EXTS, $pkg;
979	}
980
981	sub load_extensions {	1319	sub load_extensions {
		1320	cf::sync_job {
		1321	my %todo;
		1322
982	for my $ext (<$LIBDIR/*.ext>) {	1323	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1324	next unless -r $path;
984	eval {	1325
985	load_extension $ext;	1326	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1327	my $base = $1;
		1328	my $pkg = $1;
		1329	$pkg =~ s/[^[:word:]]/_/g;
		1330	$pkg = "ext::$pkg";
		1331
		1332	open my $fh, "<:utf8", $path
		1333	or die "$path: $!";
		1334
		1335	my $source = do { local $/; <$fh> };
		1336
		1337	my %ext = (
		1338	path => $path,
		1339	base => $base,
		1340	pkg => $pkg,
		1341	);
		1342
		1343	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1344	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1345
		1346	$ext{source} =
		1347	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1348	. "#line 1 \"$path\"\n{\n"
		1349	. $source
		1350	. "\n};\n1";
		1351
		1352	$todo{$base} = \%ext;
		1353	}
		1354
		1355	my %done;
		1356	while (%todo) {
		1357	my $progress;
		1358
		1359	while (my ($k, $v) = each %todo) {
		1360	for (split /,\s*/, $v->{meta}{depends}) {
		1361	goto skip
		1362	unless exists $done{$_};
		1363	}
		1364
		1365	warn "... loading '$k' into '$v->{pkg}'\n";
		1366
		1367	unless (eval $v->{source}) {
		1368	my $msg = $@ ? "$v->{path}: $@\n"
		1369	: "$v->{base}: extension inactive.\n";
		1370
		1371	if (exists $v->{meta}{mandatory}) {
		1372	warn $msg;
		1373	cf::cleanup "mandatory extension failed to load, exiting.";
		1374	}
		1375
		1376	warn $msg;
		1377	}
		1378
		1379	$done{$k} = delete $todo{$k};
		1380	push @EXTS, $v->{pkg};
		1381	$progress = 1;
986	1	1382	}
987	} or warn "$ext not loaded: $@";	1383
		1384	skip:
		1385	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1386	unless $progress;
		1387	}
988	}	1388	};
989	}	1389	}
990		1390
991	#############################################################################	1391	#############################################################################
992		1392
		1393	=back
		1394
993	=head2 CORE EXTENSIONS	1395	=head2 CORE EXTENSIONS
994		1396
995	Functions and methods that extend core crossfire objects.	1397	Functions and methods that extend core deliantra objects.
996		1398
997	=cut	1399	=cut
998		1400
999	package cf::player;	1401	package cf::player;
1000		1402
1001	use Coro::AIO;	1403	use Coro::AIO;
1002		1404
1003	=head3 cf::player	1405	=head3 cf::player
1004		1406
1005	=over 4	1407	=over 4
		1408
		1409	=item cf::player::num_playing
		1410
		1411	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1412
		1413	=cut
		1414
		1415	sub num_playing {
		1416	scalar grep
		1417	$_->ob->map
		1418	&& !$_->hidden
		1419	&& !$_->ob->flag (cf::FLAG_WIZ),
		1420	cf::player::list
		1421	}
1006		1422
1007	=item cf::player::find $login	1423	=item cf::player::find $login
1008		1424
1009	Returns the given player object, loading it if necessary (might block).	1425	Returns the given player object, loading it if necessary (might block).
1010		1426
…		…
1029		1445
1030	sub exists($) {	1446	sub exists($) {
1031	my ($login) = @_;	1447	my ($login) = @_;
1032		1448
1033	$cf::PLAYER{$login}	1449	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1450	or !aio_stat path $login
1035	}	1451	}
1036		1452
1037	sub find($) {	1453	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1454	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1455	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1462	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1463	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1464	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1465	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1466
1051	my $pl = load_pl path $login	1467	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1468	or return;
		1469
		1470	my $pl = cf::player::load_pl $f
		1471	or return;
		1472
		1473	local $cf::PLAYER_LOADING{$login} = $pl;
		1474	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1475	$cf::PLAYER{$login} = $pl
1054	}	1476	}
1055	}	1477	}
1056	}	1478	}
1057		1479
…		…
1066	return if $pl->{deny_save};	1488	return if $pl->{deny_save};
1067		1489
1068	aio_mkdir playerdir $pl, 0770;	1490	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1491	$pl->{last_save} = $cf::RUNTIME;
1070		1492
		1493	cf::get_slot 0.01;
		1494
1071	$pl->save_pl ($path);	1495	$pl->save_pl ($path);
1072	Coro::cede;	1496	cf::cede_to_tick;
1073	}	1497	}
1074		1498
1075	sub new($) {	1499	sub new($) {
1076	my ($login) = @_;	1500	my ($login) = @_;
1077		1501
…		…
1083	$cf::PLAYER{$login} = $self;	1507	$cf::PLAYER{$login} = $self;
1084		1508
1085	$self	1509	$self
1086	}	1510	}
1087		1511
		1512	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1513
		1514	=cut
		1515
		1516	sub send_msg {
		1517	my $ns = shift->ns
		1518	or return;
		1519	$ns->send_msg (@_);
		1520	}
		1521
1088	=item $pl->quit_character	1522	=item $pl->quit_character
1089		1523
1090	Nukes the player without looking back. If logged in, the connection will	1524	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1525	be destroyed. May block for a long time.
1092		1526
…		…
1096	my ($pl) = @_;	1530	my ($pl) = @_;
1097		1531
1098	my $name = $pl->ob->name;	1532	my $name = $pl->ob->name;
1099		1533
1100	$pl->{deny_save} = 1;	1534	$pl->{deny_save} = 1;
1101	$pl->password ("*"); # this should lock out the player until we nuked the dir	1535	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1102		1536
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1537	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1538	$pl->deactivate;
		1539	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1540	$pl->ob->check_score;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1541	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1542	$pl->ns->destroy if $pl->ns;
1107		1543
1108	my $path = playerdir $pl;	1544	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1545	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1581	or return [];
1146		1582
1147	my @logins;	1583	my @logins;
1148		1584
1149	for my $login (@$dirs) {	1585	for my $login (@$dirs) {
		1586	my $path = path $login;
		1587
		1588	# a .pst is a dead give-away for a valid player
		1589	# if no pst file found, open and chekc for blocked users
		1590	if (aio_stat "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1591	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1592	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1593	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1594	}
1153		1595
1154	utf8::decode $login;	1596	utf8::decode $login;
1155	push @logins, $login;	1597	push @logins, $login;
1156	}	1598	}
1157		1599
…		…
1184	}	1626	}
1185		1627
1186	\@paths	1628	\@paths
1187	}	1629	}
1188		1630
		1631	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1632
		1633	Expand deliantra pod fragments into protocol xml.
		1634
1189	=item $player->ext_reply ($msgid, %msg)	1635	=item $player->ext_reply ($msgid, @msg)
1190		1636
1191	Sends an ext reply to the player.	1637	Sends an ext reply to the player.
1192		1638
1193	=cut	1639	=cut
1194		1640
1195	sub ext_reply($$%) {	1641	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1642	my ($self, $id, @msg) = @_;
1197		1643
1198	$msg{msgid} = $id;	1644	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1645	}
1202		1646
1203	=item $player->ext_event ($type, %msg)	1647	=item $player->ext_msg ($type, @msg)
1204		1648
1205	Sends an ext event to the client.	1649	Sends an ext event to the client.
1206		1650
1207	=cut	1651	=cut
1208		1652
1209	sub ext_event($$%) {	1653	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1654	my ($self, $type, @msg) = @_;
1211		1655
1212	$self->ns->ext_event ($type, %msg);	1656	$self->ns->ext_msg ($type, @msg);
1213	}	1657	}
1214		1658
1215	=head3 cf::region	1659	=head3 cf::region
1216		1660
1217	=over 4	1661	=over 4
…		…
1220		1664
1221	package cf::region;	1665	package cf::region;
1222		1666
1223	=item cf::region::find_by_path $path	1667	=item cf::region::find_by_path $path
1224		1668
1225	Tries to decuce the probable region for a map knowing only its path.	1669	Tries to decuce the likely region for a map knowing only its path.
1226		1670
1227	=cut	1671	=cut
1228		1672
1229	sub find_by_path($) {	1673	sub find_by_path($) {
1230	my ($path) = @_;	1674	my ($path) = @_;
1231		1675
1232	my ($match, $specificity);	1676	my ($match, $specificity);
1233		1677
1234	for my $region (list) {	1678	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1679	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1680	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1681	if $region->specificity > $specificity;
1238	}	1682	}
1239	}	1683	}
1240		1684
…		…
1261	our $MAX_RESET = 3600;	1705	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1706	our $DEFAULT_RESET = 3000;
1263		1707
1264	sub generate_random_map {	1708	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1709	my ($self, $rmp) = @_;
		1710
		1711	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1712
1266	# mit "rum" bekleckern, nicht	1713	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1714	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1715	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1716	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1717	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1304	my ($self, $merge) = @_;	1751	my ($self, $merge) = @_;
1305		1752
1306	# we have to keep some variables in memory intact	1753	# we have to keep some variables in memory intact
1307	local $self->{path};	1754	local $self->{path};
1308	local $self->{load_path};	1755	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1756
1312	$self->SUPER::thawer_merge ($merge);	1757	$self->SUPER::thawer_merge ($merge);
1313	}	1758	}
1314		1759
1315	sub normalise {	1760	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1807	$self->init; # pass $1 etc.
1363	return $self;	1808	return $self;
1364	}	1809	}
1365	}	1810	}
1366		1811
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1812	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1813	()
1369	}	1814	}
1370		1815
1371	sub init {	1816	sub init {
1372	my ($self) = @_;	1817	my ($self) = @_;
…		…
1394		1839
1395	# the temporary/swap location	1840	# the temporary/swap location
1396	sub save_path {	1841	sub save_path {
1397	my ($self) = @_;	1842	my ($self) = @_;
1398		1843
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1844	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1845	"$TMPDIR/$path.map"
1401	}	1846	}
1402		1847
1403	# the unique path, undef == no special unique path	1848	# the unique path, undef == no special unique path
1404	sub uniq_path {	1849	sub uniq_path {
1405	my ($self) = @_;	1850	my ($self) = @_;
1406		1851
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1852	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1853	"$UNIQUEDIR/$path"
1409	}	1854	}
1410		1855
1411	# and all this just because we cannot iterate over	1856	# and all this just because we cannot iterate over
1412	# all maps in C++...	1857	# all maps in C++...
…		…
1415		1860
1416	$_->change_map_light ($change)	1861	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1862	for grep $_->outdoor, values %cf::MAP;
1418	}	1863	}
1419		1864
		1865	sub decay_objects {
		1866	my ($self) = @_;
		1867
		1868	return if $self->{deny_reset};
		1869
		1870	$self->do_decay_objects;
		1871	}
		1872
1420	sub unlink_save {	1873	sub unlink_save {
1421	my ($self) = @_;	1874	my ($self) = @_;
1422		1875
1423	utf8::encode (my $save = $self->save_path);	1876	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1877	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1880
1428	sub load_header_from($) {	1881	sub load_header_from($) {
1429	my ($self, $path) = @_;	1882	my ($self, $path) = @_;
1430		1883
1431	utf8::encode $path;	1884	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1885	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1886	or return;
		1887
		1888	$self->_load_header ($f)
		1889	or return;
		1890
		1891	local $MAP_LOADING{$self->{path}} = $self;
		1892	$f->resolve_delayed_derefs;
1437		1893
1438	$self->{load_path} = $path;	1894	$self->{load_path} = $path;
1439		1895
1440	1	1896	1
1441	}	1897	}
…		…
1480	$self->load_header_orig	1936	$self->load_header_orig
1481	or return;	1937	or return;
1482	$self->prepare_orig;	1938	$self->prepare_orig;
1483	}	1939	}
1484		1940
		1941	$self->{deny_reset} = 1
		1942	if $self->no_reset;
		1943
1485	$self->default_region (cf::region::find_by_path $self->{path})	1944	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1945	unless $self->default_region;
1487		1946
1488	1	1947	1
1489	}	1948	}
…		…
1492	sub find {	1951	sub find {
1493	my ($path, $origin) = @_;	1952	my ($path, $origin) = @_;
1494		1953
1495	$path = normalise $path, $origin && $origin->path;	1954	$path = normalise $path, $origin && $origin->path;
1496		1955
		1956	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1957	cf::lock_wait "map_find:$path";
1498		1958
1499	$cf::MAP{$path} || do {	1959	$cf::MAP{$path} || do {
		1960	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1500	my $guard = cf::lock_acquire "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
		1962
1501	my $map = new_from_path cf::map $path	1963	my $map = new_from_path cf::map $path
1502	or return;	1964	or return;
1503		1965
1504	$map->{last_save} = $cf::RUNTIME;	1966	$map->{last_save} = $cf::RUNTIME;
1505		1967
1506	$map->load_header	1968	$map->load_header
1507	or return;	1969	or return;
1508		1970
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1971	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1972	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1973	#$cf::WAIT_FOR_TICK->wait;
		1974	undef $guard2;
		1975	undef $guard1;
1512	$map->reset;	1976	$map->reset;
1513	undef $guard;
1514	return find $path;	1977	return find $path;
1515	}	1978	}
1516		1979
1517	$cf::MAP{$path} = $map	1980	$cf::MAP{$path} = $map
1518	}	1981	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	1990	local $self->{deny_reset} = 1; # loading can take a long time
1528		1991
1529	my $path = $self->{path};	1992	my $path = $self->{path};
1530		1993
1531	{	1994	{
1532	my $guard = cf::lock_acquire "map_load:$path";	1995	my $guard = cf::lock_acquire "map_data:$path";
1533		1996
		1997	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	1998	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		1999
1536	$self->in_memory (cf::MAP_LOADING);	2000	$self->in_memory (cf::MAP_LOADING);
1537		2001
1538	$self->alloc;	2002	$self->alloc;
1539		2003
1540	$self->pre_load;	2004	$self->pre_load;
1541	Coro::cede;	2005	cf::cede_to_tick;
1542		2006
		2007	my $f = new_from_file cf::object::thawer $self->{load_path};
		2008	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2009	$self->_load_objects ($f)
1544	or return;	2010	or return;
1545		2011
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2012	$self->post_load_original
1547	if delete $self->{load_original};	2013	if delete $self->{load_original};
1548		2014
1549	if (my $uniq = $self->uniq_path) {	2015	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2016	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2017	unless (aio_stat $uniq) {
		2018	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2019	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2020	$self->_load_objects ($f);
		2021	$f->resolve_delayed_derefs;
		2022	}
1554	}	2023	}
1555	}	2024	}
1556		2025
1557	Coro::cede;	2026	$f->resolve_delayed_derefs;
		2027
		2028	cf::cede_to_tick;
1558	# now do the right thing for maps	2029	# now do the right thing for maps
1559	$self->link_multipart_objects;	2030	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2031	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2032	unless $self->difficulty;
1562	Coro::cede;	2033	cf::cede_to_tick;
1563		2034
1564	unless ($self->{deny_activate}) {	2035	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2036	$self->decay_objects;
1566	$self->fix_auto_apply;	2037	$self->fix_auto_apply;
1567	$self->update_buttons;	2038	$self->update_buttons;
1568	Coro::cede;	2039	cf::cede_to_tick;
1569	$self->set_darkness_map;	2040	$self->set_darkness_map;
1570	Coro::cede;	2041	cf::cede_to_tick;
1571	$self->activate;	2042	$self->activate;
1572	}	2043	}
1573		2044
		2045	$self->{last_save} = $cf::RUNTIME;
		2046	$self->last_access ($cf::RUNTIME);
		2047
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2048	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2049	}
1576		2050
1577	$self->post_load;	2051	$self->post_load;
1578	}	2052	}
1579		2053
…		…
1581	my ($self, $ob) = @_;	2055	my ($self, $ob) = @_;
1582		2056
1583	return find "~" . $ob->name . "/" . $self->{path}	2057	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2058	if $self->per_player;
1585		2059
		2060	# return find "?party/" . $ob->name . "/" . $self->{path}
		2061	# if $self->per_party;
		2062
1586	$self	2063	$self
1587	}	2064	}
1588		2065
1589	# find and load all maps in the 3x3 area around a map	2066	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2067	sub load_neighbours {
1591	my ($map) = @_;	2068	my ($map) = @_;
1592		2069
1593	my @diag; # diagonal neighbours	2070	my @neigh; # diagonal neighbours
1594		2071
1595	for (0 .. 3) {	2072	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2073	my $neigh = $map->tile_path ($_)
1597	or next;	2074	or next;
1598	$neigh = find $neigh, $map	2075	$neigh = find $neigh, $map
1599	or next;	2076	or next;
1600	$neigh->load;	2077	$neigh->load;
1601		2078
		2079	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2080	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2081	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2082	}
1605		2083
1606	for (@diag) {	2084	for (grep defined $_->[0], @neigh) {
		2085	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2086	my $neigh = find $path, $origin
1608	or next;	2087	or next;
1609	$neigh->load;	2088	$neigh->load;
1610	}	2089	}
1611	}	2090	}
1612		2091
…		…
1617	}	2096	}
1618		2097
1619	sub do_load_sync {	2098	sub do_load_sync {
1620	my ($map) = @_;	2099	my ($map) = @_;
1621		2100
		2101	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2102	if $Coro::current == $Coro::main;
		2103
1622	cf::sync_job { $map->load };	2104	cf::sync_job { $map->load };
1623	}	2105	}
1624		2106
1625	our %MAP_PREFETCH;	2107	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2108	our $MAP_PREFETCHER = undef;
1627		2109
1628	sub find_async {	2110	sub find_async {
1629	my ($path, $origin) = @_;	2111	my ($path, $origin, $load) = @_;
1630		2112
1631	$path = normalise $path, $origin && $origin->{path};	2113	$path = normalise $path, $origin && $origin->{path};
1632		2114
1633	if (my $map = $cf::MAP{$path}) {	2115	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2116	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2117	}
1636		2118
1637	undef $MAP_PREFETCH{$path};	2119	$MAP_PREFETCH{$path} |= $load;
		2120
1638	$MAP_PREFETCHER ||= cf::async {	2121	$MAP_PREFETCHER ||= cf::async {
		2122	$Coro::current->{desc} = "map prefetcher";
		2123
1639	while (%MAP_PREFETCH) {	2124	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2125	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2126	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2127	$map->load if $v;
		2128	}
1644		2129
1645	delete $MAP_PREFETCH{$path};	2130	delete $MAP_PREFETCH{$k};
1646	}	2131	}
1647	}	2132	}
1648	undef $MAP_PREFETCHER;	2133	undef $MAP_PREFETCHER;
1649	};	2134	};
1650	$MAP_PREFETCHER->prio (6);	2135	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2138	}
1654		2139
1655	sub save {	2140	sub save {
1656	my ($self) = @_;	2141	my ($self) = @_;
1657		2142
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2143	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2144
1660	$self->{last_save} = $cf::RUNTIME;	2145	$self->{last_save} = $cf::RUNTIME;
1661		2146
1662	return unless $self->dirty;	2147	return unless $self->dirty;
1663		2148
…		…
1669	return if $self->{deny_save};	2154	return if $self->{deny_save};
1670		2155
1671	local $self->{last_access} = $self->last_access;#d#	2156	local $self->{last_access} = $self->last_access;#d#
1672		2157
1673	cf::async {	2158	cf::async {
		2159	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2160	$_->contr->save for $self->players;
1675	};	2161	};
		2162
		2163	cf::get_slot 0.02;
1676		2164
1677	if ($uniq) {	2165	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2168	} else {
…		…
1686	my ($self) = @_;	2174	my ($self) = @_;
1687		2175
1688	# save first because save cedes	2176	# save first because save cedes
1689	$self->save;	2177	$self->save;
1690		2178
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2180
1693	return if $self->players;	2181	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_ACTIVE;
1695	return if $self->{deny_save};	2183	return if $self->{deny_save};
1696		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2189	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2190	}
1700		2191
1701	sub reset_at {	2192	sub reset_at {
1702	my ($self) = @_;	2193	my ($self) = @_;
1703		2194
1704	# TODO: safety, remove and allow resettable per-player maps	2195	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2196	return 1e99 if $self->{deny_reset};
1707		2197
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2199	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2200
…		…
1721	my ($self) = @_;	2211	my ($self) = @_;
1722		2212
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2214
1725	return if $self->players;	2215	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2216
1728	warn "resetting map ", $self->path;#d#	2217	warn "resetting map ", $self->path;
1729		2218
1730	$self->in_memory (cf::MAP_SWAPPED);	2219	$self->in_memory (cf::MAP_SWAPPED);
1731		2220
1732	# need to save uniques path	2221	# need to save uniques path
1733	unless ($self->{deny_save}) {	2222	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2226	if $uniq;
1738	}	2227	}
1739		2228
1740	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
1741		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2233	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2234
1746	$self->unlink_save;	2235	$self->unlink_save;
1747	$self->destroy;	2236	$self->destroy;
1748	}	2237	}
1749		2238
1750	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
1751		2240
1752	sub nuke {	2241	sub nuke {
1753	my ($self) = @_;	2242	my ($self) = @_;
1754		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
1755	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
1756		2248
1757	$self->unlink_save;	2249	$self->unlink_save;
1758		2250
1759	bless $self, "cf::map";	2251	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2256
1765	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
1766		2259
1767	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
		2261	}
		2262
		2263	=item $maps = cf::map::tmp_maps
		2264
		2265	Returns an arrayref with all map paths of currently instantiated and saved
		2266	maps. May block.
		2267
		2268	=cut
		2269
		2270	sub tmp_maps() {
		2271	[
		2272	map {
		2273	utf8::decode $_;
		2274	/\.map$/
		2275	? normalise $_
		2276	: ()
		2277	} @{ aio_readdir $TMPDIR or [] }
		2278	]
		2279	}
		2280
		2281	=item $maps = cf::map::random_maps
		2282
		2283	Returns an arrayref with all map paths of currently instantiated and saved
		2284	random maps. May block.
		2285
		2286	=cut
		2287
		2288	sub random_maps() {
		2289	[
		2290	map {
		2291	utf8::decode $_;
		2292	/\.map$/
		2293	? normalise "?random/$_"
		2294	: ()
		2295	} @{ aio_readdir $RANDOMDIR or [] }
		2296	]
1768	}	2297	}
1769		2298
1770	=item cf::map::unique_maps	2299	=item cf::map::unique_maps
1771		2300
1772	Returns an arrayref of paths of all shared maps that have	2301	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2302	instantiated unique items. May block.
1774		2303
1775	=cut	2304	=cut
1776		2305
1777	sub unique_maps() {	2306	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2307	[
1779	or return;	2308	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2309	utf8::decode $_;
1785	next if /\.pst$/;	2310	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2311	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2312	? ()
1788	push @paths, cf::map::normalise $_;	2313	: normalise $_
		2314	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2315	]
1790
1791	\@paths
1792	}	2316	}
1793
1794	package cf;
1795		2317
1796	=back	2318	=back
1797		2319
1798	=head3 cf::object	2320	=head3 cf::object
1799		2321
…		…
1803		2325
1804	=over 4	2326	=over 4
1805		2327
1806	=item $ob->inv_recursive	2328	=item $ob->inv_recursive
1807		2329
1808	Returns the inventory of the object _and_ their inventories, recursively.	2330	Returns the inventory of the object I<and> their inventories, recursively,
		2331	but I<not> the object itself.
1809		2332
1810	=cut	2333	=cut
1811		2334
1812	sub inv_recursive_;	2335	sub inv_recursive_;
1813	sub inv_recursive_ {	2336	sub inv_recursive_ {
…		…
1816		2339
1817	sub inv_recursive {	2340	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
1819	}	2342	}
1820		2343
		2344	=item $ref = $ob->ref
		2345
		2346	Creates and returns a persistent reference to an object that can be stored as a string.
		2347
		2348	=item $ob = cf::object::deref ($refstring)
		2349
		2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2351	even if the object actually exists. May block.
		2352
		2353	=cut
		2354
		2355	sub deref {
		2356	my ($ref) = @_;
		2357
		2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2359	my ($uuid, $name) = ($1, $2);
		2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2361	or return;
		2362	$pl->ob->uuid eq $uuid
		2363	or return;
		2364
		2365	$pl->ob
		2366	} else {
		2367	warn "$ref: cannot resolve object reference\n";
		2368	undef
		2369	}
		2370	}
		2371
1821	package cf;	2372	package cf;
1822		2373
1823	=back	2374	=back
1824		2375
1825	=head3 cf::object::player	2376	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2382	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832	can be C<undef>. Does the right thing when the player is currently in a	2383	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2384	dialogue with the given NPC character.
1834		2385
1835	=cut	2386	=cut
		2387
		2388	our $SAY_CHANNEL = {
		2389	id => "say",
		2390	title => "Map",
		2391	reply => "say ",
		2392	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2393	};
		2394
		2395	our $CHAT_CHANNEL = {
		2396	id => "chat",
		2397	title => "Chat",
		2398	reply => "chat ",
		2399	tooltip => "Player chat and shouts, global to the server.",
		2400	};
1836		2401
1837	# rough implementation of a future "reply" method that works	2402	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2403	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2404	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2405	sub cf::object::player::reply($$$;$) {
…		…
1842		2407
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2409
1845	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1847	} else {	2413	} else {
		2414	my $pl = $self->contr;
		2415
		2416	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2417	my $dialog = $pl->{npc_dialog};
		2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2419
		2420	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2422	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2423	}
1850	}	2424	}
		2425	}
		2426
		2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2428
		2429	=cut
		2430
		2431	sub cf::object::send_msg {
		2432	my $pl = shift->contr
		2433	or return;
		2434	$pl->send_msg (@_);
1851	}	2435	}
1852		2436
1853	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1854		2438
1855	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
1868		2452
1869	=item $player_object->enter_link	2453	=item $player_object->enter_link
1870		2454
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2455	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2456
1873	The player should be reasonably safe there for short amounts of time. You	2457	The player should be reasonably safe there for short amounts of time (e.g.
1874	I<MUST> call C<leave_link> as soon as possible, though.	2458	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2459	though, as the palyer cannot control the character while it is on the link
		2460	map.
1875		2461
1876	Will never block.	2462	Will never block.
1877		2463
1878	=item $player_object->leave_link ($map, $x, $y)	2464	=item $player_object->leave_link ($map, $x, $y)
1879		2465
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2520	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2521	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2522	if $x <=0 && $y <= 0;
1937		2523
1938	$map->load;	2524	$map->load;
1939	$map->load_diag;	2525	$map->load_neighbours;
1940		2526
1941	return unless $self->contr->active;	2527	return unless $self->contr->active;
		2528	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1942	$self->activate_recursive;	2529	$self->activate_recursive;
1943		2530
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
1946	}	2533	}
1947		2534
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949		2536
1950	Moves the player to the given map-path and coordinates by first freezing	2537	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2538	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2539	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2540	the new (success) or old (failed) map position. In either case, $done will
		2541	be called at the end of this process.
		2542
		2543	Note that $check will be called with a potentially non-loaded map, so if
		2544	it needs a loaded map it has to call C<< ->load >>.
1954		2545
1955	=cut	2546	=cut
1956		2547
1957	our $GOTOGEN;	2548	our $GOTOGEN;
1958		2549
1959	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2551	my ($self, $path, $x, $y, $check, $done) = @_;
1961		2552
1962	# do generation counting so two concurrent goto's will be executed in-order	2553	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2555
1965	$self->enter_link;	2556	$self->enter_link;
1966		2557
1967	(async {	2558	(async {
		2559	$Coro::current->{desc} = "player::goto $path $x $y";
		2560
		2561	# *tag paths override both path and x|y
		2562	if ($path =~ /^\*(.*)$/) {
		2563	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2564	my $ob = $obs[rand @obs];
		2565
		2566	# see if we actually can go there
		2567	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2568	$ob = $obs[rand @obs];
		2569	} else {
		2570	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2571	}
		2572	# else put us there anyways for now #d#
		2573
		2574	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2575	} else {
		2576	($path, $x, $y) = (undef, undef, undef);
		2577	}
		2578	}
		2579
1968	my $map = eval {	2580	my $map = eval {
1969	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
1970		2582
1971	if ($map) {	2583	if ($map) {
1972	$map = $map->customise_for ($self);	2584	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2585	$map = $check->($map) if $check && $map;
1974	} else {	2586	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2588	}
1977		2589
1978	$map	2590	$map
1979	};	2591	};
1980		2592
…		…
1985		2597
1986	if ($gen == $self->{_goto_generation}) {	2598	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2599	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2600	$self->leave_link ($map, $x, $y);
1989	}	2601	}
		2602
		2603	$done->() if $done;
1990	})->prio (1);	2604	})->prio (1);
1991	}	2605	}
1992		2606
1993	=item $player_object->enter_exit ($exit_object)	2607	=item $player_object->enter_exit ($exit_object)
1994		2608
…		…
2014	}	2628	}
2015		2629
2016	sub prepare_random_map {	2630	sub prepare_random_map {
2017	my ($exit) = @_;	2631	my ($exit) = @_;
2018		2632
2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021	# all this does is basically replace the /! path by	2633	# all this does is basically replace the /! path by
2022	# a new random map path (?random/...) with a seed	2634	# a new random map path (?random/...) with a seed
2023	# that depends on the exit object	2635	# that depends on the exit object
2024		2636
2025	my $rmp = parse_random_map_params $exit->msg;	2637	my $rmp = parse_random_map_params $exit->msg;
…		…
2027	if ($exit->map) {	2639	if ($exit->map) {
2028	$rmp->{region} = $exit->region->name;	2640	$rmp->{region} = $exit->region->name;
2029	$rmp->{origin_map} = $exit->map->path;	2641	$rmp->{origin_map} = $exit->map->path;
2030	$rmp->{origin_x} = $exit->x;	2642	$rmp->{origin_x} = $exit->x;
2031	$rmp->{origin_y} = $exit->y;	2643	$rmp->{origin_y} = $exit->y;
		2644
		2645	$exit->map->touch;
2032	}	2646	}
2033		2647
2034	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
2035		2649
2036	my $data = cf::to_json $rmp;	2650	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
2039		2653
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
2042	undef $fh;	2656	undef $fh;
2043	aio_rename "$meta~", $meta;	2657	aio_rename "$meta~", $meta;
2044		2658
		2659	my $slaying = "?random/$md5";
		2660
		2661	if ($exit->valid) {
2045	$exit->slaying ("?random/$md5");	2662	$exit->slaying ("?random/$md5");
2046	$exit->msg (undef);	2663	$exit->msg (undef);
		2664	}
2047	}	2665	}
2048	}	2666	}
2049		2667
2050	sub cf::object::player::enter_exit {	2668	sub cf::object::player::enter_exit {
2051	my ($self, $exit) = @_;	2669	my ($self, $exit) = @_;
2052		2670
2053	return unless $self->type == cf::PLAYER;	2671	return unless $self->type == cf::PLAYER;
2054		2672
2055	if ($exit->slaying eq "/!") {
2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
2057	# the problem is that $exit might not survive long enough
2058	# so it needs to be done right now, right here
2059	cf::sync_job { prepare_random_map $exit };
2060	}
2061
2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;
2065
2066	$self->enter_link;	2673	$self->enter_link;
2067		2674
2068	(async {	2675	(async {
2069	$self->deactivate_recursive; # just to be sure	2676	$Coro::current->{desc} = "enter_exit";
		2677
2070	unless (eval {	2678	unless (eval {
		2679	$self->deactivate_recursive; # just to be sure
		2680
		2681	# random map handling
		2682	{
		2683	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2684
		2685	prepare_random_map $exit
		2686	if $exit->slaying eq "/!";
		2687	}
		2688
		2689	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2690	my $x = $exit->stats->hp;
		2691	my $y = $exit->stats->sp;
		2692
2071	$self->goto ($slaying, $hp, $sp);	2693	$self->goto ($map, $x, $y);
2072		2694
		2695	# if exit is damned, update players death & WoR home-position
		2696	$self->contr->savebed ($map, $x, $y)
		2697	if $exit->flag (cf::FLAG_DAMNED);
		2698
2073	1;	2699	1
2074	}) {	2700	}) {
2075	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the deliantra server. "
2076	. "I'll try to bring you back to the map you were before. "	2702	. "I'll try to bring you back to the map you were before. "
2077	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
2078	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
2079		2705
2080	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
…		…
2099		2725
2100	utf8::encode $text;	2726	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102	}	2728	}
2103		2729
		2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2731
		2732	Send a drawinfo or msg packet to the client, formatting the msg for the
		2733	client if neccessary. C<$type> should be a string identifying the type of
		2734	the message, with C<log> being the default. If C<$color> is negative, suppress
		2735	the message unless the client supports the msg packet.
		2736
		2737	=cut
		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/skills" => {
		2778	id => "infobox",
		2779	title => "Skills",
		2780	reply => undef,
		2781	tooltip => "Shows your experience per skill and item power",
		2782	},
		2783	"c/uptime" => {
		2784	id => "infobox",
		2785	title => "Uptime",
		2786	reply => undef,
		2787	tooltip => "How long the server has been running since last restart",
		2788	},
		2789	"c/mapinfo" => {
		2790	id => "infobox",
		2791	title => "Map Info",
		2792	reply => undef,
		2793	tooltip => "Information related to the maps",
		2794	},
		2795	"c/party" => {
		2796	id => "party",
		2797	title => "Party",
		2798	reply => "gsay ",
		2799	tooltip => "Messages and chat related to your party",
		2800	},
		2801	);
		2802
		2803	sub cf::client::send_msg {
		2804	my ($self, $channel, $msg, $color, @extra) = @_;
		2805
		2806	$msg = $self->pl->expand_cfpod ($msg)
		2807	unless $color & cf::NDI_VERBATIM;
		2808
		2809	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2810
		2811	# check predefined channels, for the benefit of C
		2812	if ($CHANNEL{$channel}) {
		2813	$channel = $CHANNEL{$channel};
		2814
		2815	$self->ext_msg (channel_info => $channel)
		2816	if $self->can_msg;
		2817
		2818	$channel = $channel->{id};
		2819
		2820	} elsif (ref $channel) {
		2821	# send meta info to client, if not yet sent
		2822	unless (exists $self->{channel}{$channel->{id}}) {
		2823	$self->{channel}{$channel->{id}} = $channel;
		2824	$self->ext_msg (channel_info => $channel)
		2825	if $self->can_msg;
		2826	}
		2827
		2828	$channel = $channel->{id};
		2829	}
		2830
		2831	return unless @extra || length $msg;
		2832
		2833	if ($self->can_msg) {
		2834	# default colour, mask it out
		2835	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2836	if $color & cf::NDI_DEF;
		2837
		2838	my $pkt = "msg "
		2839	. $self->{json_coder}->encode (
		2840	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2841	);
		2842
		2843	# try lzf for large packets
		2844	$pkt = "lzf " . Compress::LZF::compress $pkt
		2845	if 1024 <= length $pkt and $self->{can_lzf};
		2846
		2847	# split very large packets
		2848	if (8192 < length $pkt and $self->{can_lzf}) {
		2849	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2850	$pkt = "frag";
		2851	}
		2852
		2853	$self->send_packet ($pkt);
		2854	} else {
		2855	if ($color >= 0) {
		2856	# replace some tags by gcfclient-compatible ones
		2857	for ($msg) {
		2858	1 while
		2859	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2860	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2861	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2862	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2863	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2864	}
		2865
		2866	$color &= cf::NDI_COLOR_MASK;
		2867
		2868	utf8::encode $msg;
		2869
		2870	if (0 && $msg =~ /\[/) {
		2871	# COMMAND/INFO
		2872	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2873	} else {
		2874	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2875	$self->send_packet ("drawinfo $color $msg")
		2876	}
		2877	}
		2878	}
		2879	}
		2880
2104	=item $client->ext_event ($type, %msg)	2881	=item $client->ext_msg ($type, @msg)
2105		2882
2106	Sends an exti event to the client.	2883	Sends an ext event to the client.
2107		2884
2108	=cut	2885	=cut
2109		2886
2110	sub cf::client::ext_event($$%) {	2887	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	2888	my ($self, $type, @msg) = @_;
2112		2889
		2890	if ($self->extcmd == 2) {
		2891	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2892	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	2893	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	2894	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2895	}
		2896	}
		2897
		2898	=item $client->ext_reply ($msgid, @msg)
		2899
		2900	Sends an ext reply to the client.
		2901
		2902	=cut
		2903
		2904	sub cf::client::ext_reply($$@) {
		2905	my ($self, $id, @msg) = @_;
		2906
		2907	if ($self->extcmd == 2) {
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2909	} elsif ($self->extcmd == 1) {
		2910	#TODO: version 1, remove
		2911	unshift @msg, msgtype => "reply", msgid => $id;
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2913	}
2115	}	2914	}
2116		2915
2117	=item $success = $client->query ($flags, "text", \&cb)	2916	=item $success = $client->query ($flags, "text", \&cb)
2118		2917
2119	Queues a query to the client, calling the given callback with	2918	Queues a query to the client, calling the given callback with
2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2919	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2920	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		2921
2123	Queries can fail, so check the return code. Or don't, as queries will become	2922	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	2923	become reliable at some point in the future.
2125		2924
2126	=cut	2925	=cut
2127		2926
2128	sub cf::client::query {	2927	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	2928	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	2936	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2937	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		2938
2140	$self->send_packet ($self->{query_queue}[0][0])	2939	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	2940	if @{ $self->{query_queue} } == 1;
		2941
		2942	1
2142	}	2943	}
2143		2944
2144	cf::client->attach (	2945	cf::client->attach (
		2946	on_connect => sub {
		2947	my ($ns) = @_;
		2948
		2949	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2950	},
2145	on_reply => sub {	2951	on_reply => sub {
2146	my ($ns, $msg) = @_;	2952	my ($ns, $msg) = @_;
2147		2953
2148	# this weird shuffling is so that direct followup queries	2954	# this weird shuffling is so that direct followup queries
2149	# get handled first	2955	# get handled first
…		…
2161	} else {	2967	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2968	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	2969	}
2164	}	2970	}
2165	},	2971	},
		2972	on_exticmd => sub {
		2973	my ($ns, $buf) = @_;
		2974
		2975	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2976
		2977	if (ref $msg) {
		2978	my ($type, $reply, @payload) =
		2979	"ARRAY" eq ref $msg
		2980	? @$msg
		2981	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2982
		2983	my @reply;
		2984
		2985	if (my $cb = $EXTICMD{$type}) {
		2986	@reply = $cb->($ns, @payload);
		2987	}
		2988
		2989	$ns->ext_reply ($reply, @reply)
		2990	if $reply;
		2991
		2992	} else {
		2993	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2994	}
		2995
		2996	cf::override;
		2997	},
2166	);	2998	);
2167		2999
2168	=item $client->async (\&cb)	3000	=item $client->async (\&cb)
2169		3001
2170	Create a new coroutine, running the specified callback. The coroutine will	3002	Create a new coroutine, running the specified callback. The coroutine will
…		…
2211	our $safe = new Safe "safe";	3043	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3044	our $safe_hole = new Safe::Hole;
2213		3045
2214	$SIG{FPE} = 'IGNORE';	3046	$SIG{FPE} = 'IGNORE';
2215		3047
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3048	$safe->permit_only (Opcode::opset qw(
		3049	:base_core :base_mem :base_orig :base_math
		3050	grepstart grepwhile mapstart mapwhile
		3051	sort time
		3052	));
2217		3053
2218	# here we export the classes and methods available to script code	3054	# here we export the classes and methods available to script code
2219		3055
2220	=pod	3056	=pod
2221		3057
2222	The following functions and methods are available within a safe environment:	3058	The following functions and methods are available within a safe environment:
2223		3059
2224	cf::object contr pay_amount pay_player map	3060	cf::object
		3061	contr pay_amount pay_player map x y force_find force_add destroy
		3062	insert remove name archname title slaying race decrease split
		3063
2225	cf::object::player player	3064	cf::object::player
2226	cf::player peaceful	3065	player
2227	cf::map trigger	3066
		3067	cf::player
		3068	peaceful
		3069
		3070	cf::map
		3071	trigger
2228		3072
2229	=cut	3073	=cut
2230		3074
2231	for (	3075	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	3076	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3077	insert remove inv nrof name archname title slaying race
		3078	decrease split destroy change_exp)],
2233	["cf::object::player" => qw(player)],	3079	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3080	["cf::player" => qw(peaceful)],
2235	["cf::map" => qw(trigger)],	3081	["cf::map" => qw(trigger)],
2236	) {	3082	) {
2237	no strict 'refs';	3083	no strict 'refs';
…		…
2308	=back	3154	=back
2309		3155
2310	=cut	3156	=cut
2311		3157
2312	#############################################################################	3158	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483
2484	#############################################################################
2485	# the server's init and main functions	3159	# the server's init and main functions
2486		3160
2487	sub load_facedata($) {	3161	sub load_facedata($) {
2488	my ($path) = @_;	3162	my ($path) = @_;
		3163
		3164	# HACK to clear player env face cache, we need some signal framework
		3165	# for this (global event?)
		3166	%ext::player_env::MUSIC_FACE_CACHE = ();
		3167
		3168	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489		3169
2490	warn "loading facedata from $path\n";	3170	warn "loading facedata from $path\n";
2491		3171
2492	my $facedata;	3172	my $facedata;
2493	0 < aio_load $path, $facedata	3173	0 < aio_load $path, $facedata
…		…
2496	$facedata = Coro::Storable::thaw $facedata;	3176	$facedata = Coro::Storable::thaw $facedata;
2497		3177
2498	$facedata->{version} == 2	3178	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3179	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		3180
		3181	# patch in the exptable
		3182	$facedata->{resource}{"res/exp_table"} = {
		3183	type => FT_RSRC,
		3184	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3185	};
		3186	cf::cede_to_tick;
		3187
2501	{	3188	{
2502	my $faces = $facedata->{faceinfo};	3189	my $faces = $facedata->{faceinfo};
2503		3190
2504	while (my ($face, $info) = each %$faces) {	3191	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3192	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2506	warn "$face $info->{magicmap}\n" if $face =~ /obol/;#d#	3193
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3194	cf::face::set_visibility $idx, $info->{visibility};
		3195	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3196	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3197	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	3198
		3199	cf::cede_to_tick;
2511	}	3200	}
2512		3201
2513	while (my ($face, $info) = each %$faces) {	3202	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3203	next unless $info->{smooth};
		3204
2515	my $idx = cf::face::find $face	3205	my $idx = cf::face::find $face
2516	or next;	3206	or next;
		3207
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3208	if (my $smooth = cf::face::find $info->{smooth}) {
		3209	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3210	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3211	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3212	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3213	}
2522	Coro::cede;	3214
		3215	cf::cede_to_tick;
2523	}	3216	}
2524	}	3217	}
2525		3218
2526	{	3219	{
2527	my $anims = $facedata->{animinfo};	3220	my $anims = $facedata->{animinfo};
2528		3221
2529	while (my ($anim, $info) = each %$anims) {	3222	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3223	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3224	cf::cede_to_tick;
2532	}	3225	}
2533		3226
2534	cf::anim::invalidate_all; # d'oh	3227	cf::anim::invalidate_all; # d'oh
2535	}	3228	}
2536		3229
		3230	{
		3231	# TODO: for gcfclient pleasure, we should give resources
		3232	# that gcfclient doesn't grok a >10000 face index.
		3233	my $res = $facedata->{resource};
		3234
		3235	while (my ($name, $info) = each %$res) {
		3236	if (defined $info->{type}) {
		3237	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3238	my $data;
		3239
		3240	if ($info->{type} & 1) {
		3241	# prepend meta info
		3242
		3243	my $meta = $enc->encode ({
		3244	name => $name,
		3245	%{ $info->{meta} || {} },
		3246	});
		3247
		3248	$data = pack "(w/a*)*", $meta, $info->{data};
		3249	} else {
		3250	$data = $info->{data};
		3251	}
		3252
		3253	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3254	cf::face::set_type $idx, $info->{type};
		3255	} else {
		3256	$RESOURCE{$name} = $info;
		3257	}
		3258
		3259	cf::cede_to_tick;
		3260	}
		3261	}
		3262
		3263	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3264
2537	1	3265	1
2538	}	3266	}
2539		3267
		3268	cf::global->attach (on_resource_update => sub {
		3269	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3270	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3271
		3272	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3273	my $sound = $soundconf->{compat}[$_]
		3274	or next;
		3275
		3276	my $face = cf::face::find "sound/$sound->[1]";
		3277	cf::sound::set $sound->[0] => $face;
		3278	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3279	}
		3280
		3281	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3282	my $face = cf::face::find "sound/$v";
		3283	cf::sound::set $k => $face;
		3284	}
		3285	}
		3286	});
		3287
		3288	register_exticmd fx_want => sub {
		3289	my ($ns, $want) = @_;
		3290
		3291	while (my ($k, $v) = each %$want) {
		3292	$ns->fx_want ($k, $v);
		3293	}
		3294	};
		3295
		3296	sub load_resource_file($) {
		3297	my $guard = lock_acquire "load_resource_file";
		3298
		3299	my $status = load_resource_file_ $_[0];
		3300	get_slot 0.1, 100;
		3301	cf::arch::commit_load;
		3302
		3303	$status
		3304	}
		3305
2540	sub reload_regions {	3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
2541	load_resource_file "$MAPDIR/regions"	3311	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3312	or die "unable to load regions file\n";
		3313
		3314	for (cf::region::list) {
		3315	$_->{match} = qr/$_->{match}/
		3316	if exists $_->{match};
		3317	}
2543	}	3318	}
2544		3319
2545	sub reload_facedata {	3320	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3321	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3322	or die "unable to load facedata\n";
…		…
2558	}	3333	}
2559		3334
2560	sub reload_resources {	3335	sub reload_resources {
2561	warn "reloading resource files...\n";	3336	warn "reloading resource files...\n";
2562		3337
2563	reload_regions;
2564	reload_facedata;	3338	reload_facedata;
2565	reload_archetypes;	3339	reload_archetypes;
		3340	reload_regions;
2566	reload_treasures;	3341	reload_treasures;
2567		3342
2568	warn "finished reloading resource files\n";	3343	warn "finished reloading resource files\n";
2569	}	3344	}
2570		3345
2571	sub init {	3346	sub init {
		3347	my $guard = freeze_mainloop;
		3348
		3349	evthread_start IO::AIO::poll_fileno;
		3350
2572	reload_resources;	3351	reload_resources;
2573	}	3352	}
2574		3353
2575	sub cfg_load {	3354	sub reload_config {
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2577	or return;	3356	or return;
2578		3357
2579	local $/;	3358	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2581		3360
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2583		3362
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2591	};	3370	};
2592	warn $@ if $@;	3371	warn $@ if $@;
2593	}	3372	}
2594	}	3373	}
2595		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
2596	sub main {	3394	sub main {
		3395	atomic;
		3396
2597	# we must not ever block the main coroutine	3397	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3398	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3399	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3400	(async {
2601	Event::one_event;	3401	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3402	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3403	})->prio (Coro::PRIO_MAX);
2603	};	3404	};
2604		3405
2605	cfg_load;	3406	{
		3407	my $guard = freeze_mainloop;
		3408	reload_config;
2606	db_init;	3409	db_init;
2607	load_extensions;	3410	load_extensions;
2608		3411
2609	$TICK_WATCHER->start;	3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413	}
		3414
		3415	utime time, time, $RUNTIMEFILE;
		3416
		3417	# no (long-running) fork's whatsoever before this point(!)
		3418	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3419
2610	Event::loop;	3420	EV::loop;
2611	}	3421	}
2612		3422
2613	#############################################################################	3423	#############################################################################
2614	# initialisation and cleanup	3424	# initialisation and cleanup
2615		3425
2616	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
2617	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3431	cf::cleanup "SIG$signal";
2626	},
2627	);	3432	};
		3433	}
		3434	}
		3435
		3436	sub write_runtime_sync {
		3437	# first touch the runtime file to show we are still running:
		3438	# the fsync below can take a very very long time.
		3439
		3440	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3441
		3442	my $guard = cf::lock_acquire "write_runtime";
		3443
		3444	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3445	or return;
		3446
		3447	my $value = $cf::RUNTIME + 90 + 10;
		3448	# 10 is the runtime save interval, for a monotonic clock
		3449	# 60 allows for the watchdog to kill the server.
		3450
		3451	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3452	and return;
		3453
		3454	# always fsync - this file is important
		3455	aio_fsync $fh
		3456	and return;
		3457
		3458	# touch it again to show we are up-to-date
		3459	aio_utime $fh, undef, undef;
		3460
		3461	close $fh
		3462	or return;
		3463
		3464	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3465	and return;
		3466
		3467	warn "runtime file written.\n";
		3468
2628	}	3469	1
		3470	}
		3471
		3472	our $uuid_lock;
		3473	our $uuid_skip;
		3474
		3475	sub write_uuid_sync($) {
		3476	$uuid_skip ||= $_[0];
		3477
		3478	return if $uuid_lock;
		3479	local $uuid_lock = 1;
		3480
		3481	my $uuid = "$LOCALDIR/uuid";
		3482
		3483	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3484	or return;
		3485
		3486	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3487	$uuid_skip = 0;
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$uuid~", $uuid
		3500	and return;
		3501
		3502	warn "uuid file written ($value).\n";
		3503
		3504	1
		3505
		3506	}
		3507
		3508	sub write_uuid($$) {
		3509	my ($skip, $sync) = @_;
		3510
		3511	$sync ? write_uuid_sync $skip
		3512	: async { write_uuid_sync $skip };
2629	}	3513	}
2630		3514
2631	sub emergency_save() {	3515	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3516	my $freeze_guard = cf::freeze_mainloop;
2633		3517
…		…
2639	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3524	warn "begin emergency player save\n";
2641	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3529	$pl->save;
2645	}	3530	}
2646	warn "end emergency player save\n";	3531	warn "end emergency player save\n";
2647		3532
2648	warn "begin emergency map save\n";	3533	warn "begin emergency map save\n";
…		…
2654	warn "end emergency map save\n";	3539	warn "end emergency map save\n";
2655		3540
2656	warn "begin emergency database checkpoint\n";	3541	warn "begin emergency database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	3543	warn "end emergency database checkpoint\n";
		3544
		3545	warn "begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "end write uuid\n";
2659	};	3548	};
2660		3549
2661	warn "leave emergency perl save\n";	3550	warn "leave emergency perl save\n";
2662	}	3551	}
2663		3552
2664	sub post_cleanup {	3553	sub post_cleanup {
2665	my ($make_core) = @_;	3554	my ($make_core) = @_;
2666		3555
2667	warn Carp::longmess "post_cleanup backtrace"	3556	warn Carp::longmess "post_cleanup backtrace"
2668	if $make_core;	3557	if $make_core;
		3558
		3559	my $fh = pidfile;
		3560	unlink $PIDFILE if <$fh> == $$;
		3561	}
		3562
		3563	# a safer delete_package, copied from Symbol
		3564	sub clear_package($) {
		3565	my $pkg = shift;
		3566
		3567	# expand to full symbol table name if needed
		3568	unless ($pkg =~ /^main::.*::$/) {
		3569	$pkg = "main$pkg" if $pkg =~ /^::/;
		3570	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3571	$pkg .= '::' unless $pkg =~ /::$/;
		3572	}
		3573
		3574	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3575	my $stem_symtab = *{$stem}{HASH};
		3576
		3577	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3578	or return;
		3579
		3580	# clear all symbols
		3581	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3582	for my $name (keys %$leaf_symtab) {
		3583	_gv_clear *{"$pkg$name"};
		3584	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3585	}
		3586	warn "cleared package $pkg\n";#d#
2669	}	3587	}
2670		3588
2671	sub do_reload_perl() {	3589	sub do_reload_perl() {
2672	# can/must only be called in main	3590	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	3591	if ($Coro::current != $Coro::main) {
2674	warn "can only reload from main coroutine";	3592	warn "can only reload from main coroutine";
2675	return;	3593	return;
2676	}	3594	}
2677		3595
		3596	return if $RELOAD++;
		3597
		3598	while ($RELOAD) {
2678	warn "reloading...";	3599	warn "reloading...";
2679		3600
2680	warn "entering sync_job";	3601	warn "entering sync_job";
2681		3602
2682	cf::sync_job {	3603	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark	3604	cf::write_runtime_sync; # external watchdog should not bark
2684	cf::emergency_save;	3605	cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark	3606	cf::write_runtime_sync; # external watchdog should not bark
2686		3607
2687	warn "syncing database to disk";	3608	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2689		3610
2690	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
2691		3612
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
2698	for (;;) {
2699	BDB::flush;
2700	IO::AIO::flush;
2701	Coro::cede;
2702	last unless IO::AIO::nreqs || BDB::nreqs;	3614	while (IO::AIO::nreqs || BDB::nreqs) {
2703	warn "iterate...";	3615	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2704	}
2705
2706	++$RELOAD;
2707
2708	warn "cancelling all extension coros";
2709	$_->cancel for values %EXT_CORO;
2710	%EXT_CORO = ();
2711
2712	warn "removing commands";
2713	%COMMAND = ();
2714
2715	warn "removing ext commands";
2716	%EXTCMD = ();
2717
2718	warn "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";
2721
2722	if (my $cb = $pkg->can ("unload")) {
2723	eval {
2724	$cb->($pkg);
2725	1
2726	} or warn "$pkg unloaded, but with errors: $@";
2727	}	3616	}
2728		3617
2729	warn "... nuking $pkg";	3618	warn "cancelling all extension coros";
2730	Symbol::delete_package $pkg;	3619	$_->cancel for values %EXT_CORO;
2731	}	3620	%EXT_CORO = ();
2732		3621
2733	warn "unloading all perl modules loaded from $LIBDIR";	3622	warn "removing commands";
2734	while (my ($k, $v) = each %INC) {	3623	%COMMAND = ();
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		3624
		3625	warn "removing ext/exti commands";
		3626	%EXTCMD = ();
		3627	%EXTICMD = ();
		3628
		3629	warn "unloading/nuking all extensions";
		3630	for my $pkg (@EXTS) {
2737	warn "... unloading $k";	3631	warn "... unloading $pkg";
2738	delete $INC{$k};
2739		3632
2740	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;
2742
2743	if (my $cb = $k->can ("unload_module")) {	3633	if (my $cb = $pkg->can ("unload")) {
		3634	eval {
2744	$cb->();	3635	$cb->($pkg);
		3636	1
		3637	} or warn "$pkg unloaded, but with errors: $@";
		3638	}
		3639
		3640	warn "... clearing $pkg";
		3641	clear_package $pkg;
2745	}	3642	}
2746		3643
2747	Symbol::delete_package $k;	3644	warn "unloading all perl modules loaded from $LIBDIR";
		3645	while (my ($k, $v) = each %INC) {
		3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3647
		3648	warn "... unloading $k";
		3649	delete $INC{$k};
		3650
		3651	$k =~ s/\.pm$//;
		3652	$k =~ s/\//::/g;
		3653
		3654	if (my $cb = $k->can ("unload_module")) {
		3655	$cb->();
		3656	}
		3657
		3658	clear_package $k;
2748	}	3659	}
2749		3660
2750	warn "getting rid of safe::, as good as possible";	3661	warn "getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	3662	clear_package "safe::$_"
2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753		3664
2754	warn "unloading cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	3667	delete $INC{"cf/pod.pm"};
2757		3668
2758	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
2759	# and global variables created in xs	3670	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	3671	#clear_package __PACKAGE__;
2761		3672
2762	warn "unload completed, starting to reload now";	3673	warn "unload completed, starting to reload now";
2763		3674
2764	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
2765	require cf;	3676	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2767		3678
2768	warn "loading config and database again";	3679	warn "loading config and database again";
2769	cf::cfg_load;	3680	cf::reload_config;
2770		3681
2771	warn "loading extensions";	3682	warn "loading extensions";
2772	cf::load_extensions;	3683	cf::load_extensions;
2773		3684
2774	warn "reattaching attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	3686	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	3687	warn "reattaching attachments to maps";
2777	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	3689	warn "reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	3690	reattach $_ for values %PLAYER;
2780		3691
2781	warn "leaving sync_job";	3692	warn "leaving sync_job";
2782		3693
2783	1	3694	1
2784	} or do {	3695	} or do {
2785	warn $@;	3696	warn $@;
2786	warn "error while reloading, exiting.";	3697	cf::cleanup "error while reloading, exiting.";
2787	exit 1;
2788	};	3698	};
2789		3699
2790	warn "reloaded";	3700	warn "reloaded";
		3701	--$RELOAD;
		3702	}
2791	};	3703	};
2792		3704
2793	our $RELOAD_WATCHER; # used only during reload	3705	our $RELOAD_WATCHER; # used only during reload
2794		3706
2795	sub reload_perl() {	3707	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	3708	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	3709	# coro crashes during coro_state_free->destroy here.
2798		3710
2799	$RELOAD_WATCHER ||= Event->timer (	3711	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
2800	reentrant => 0,
2801	after => 0,
2802	data => WF_AUTOCANCEL,
2803	cb => sub {
2804	do_reload_perl;	3712	do_reload_perl;
2805	undef $RELOAD_WATCHER;	3713	undef $RELOAD_WATCHER;
2806	},
2807	);	3714	};
2808	}	3715	}
2809		3716
2810	register_command "reload" => sub {	3717	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2812		3719
2813	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
		3722	async {
		3723	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	3724	reload_perl;
		3725	};
2816	}	3726	}
2817	};	3727	};
2818		3728
2819	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2820		3730
…		…
2822		3732
2823	our @WAIT_FOR_TICK;	3733	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;	3734	our @WAIT_FOR_TICK_BEGIN;
2825		3735
2826	sub wait_for_tick {	3736	sub wait_for_tick {
2827	return unless $TICK_WATCHER->is_active;
2828	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2829		3738
2830	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
2831	push @WAIT_FOR_TICK, $signal;	3740	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;	3741	$signal->wait;
2833	}	3742	}
2834		3743
2835	sub wait_for_tick_begin {	3744	sub wait_for_tick_begin {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
2838		3746
2839	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	3748	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	3749	$signal->wait;
2842	}	3750	}
2843		3751
2844	my $min = 1e6;#d#	3752	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2856	return;	3756	return;
2857	}	3757	}
2858		3758
2859	$NOW = $tick_start = Event::time;
2860
2861	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2862		3760
2863	0 && sync_job {#d#	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2864	for(1..10) {	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2865	my $t = Event::time;	3763	Coro::async_pool {
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3764	$Coro::current->{desc} = "runtime saver";
2867	or die;	3765	write_runtime_sync
2868		3766	or warn "ERROR: unable to write runtime file: $!";
2869	$map->width (50);
2870	$map->height (50);
2871	$map->alloc;
2872	$map->_load_objects ("/tmp/x.map", 1);
2873	my $t = Event::time - $t;
2874
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	3767	};
		3768	}
2885		3769
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	3771	$sig->send;
2902	}	3772	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	3773	while (my $sig = shift @WAIT_FOR_TICK) {
2904	$sig->send;	3774	$sig->send;
2905	}	3775	}
2906		3776
2907	$NOW = Event::time;	3777	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		3779
2918	_post_tick;	3780	if (0) {
2919		3781	if ($NEXT_TICK) {
2920		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
2921	},	3786	}
2922	);	3787	}
2923		3788
2924	{	3789	{
2925	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	3791
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	3792	BDB::min_parallel 8;
2935		3793	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	3794	$AnyEvent::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		3795
2951	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3799	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3800	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3801	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3802	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		3803
2954	cf::sync_job {	3804	cf::sync_job {
2955	eval {	3805	eval {
2956	BDB::db_env_open	3806	BDB::db_env_open
2957	$DB_ENV,	3807	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3809	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3810	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	3811	0666;
2962		3812
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3813	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	3814	};
2968		3815
2969	cf::cleanup "db_env_open(db): $@" if $@;	3816	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	3817	};
2971	}	3818	}
		3819
		3820	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3821	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3822	};
		3823	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3824	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3825	};
		3826	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3827	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3828	};
2972	}	3829	}
2973		3830
2974	{	3831	{
		3832	# configure IO::AIO
		3833
2975	IO::AIO::min_parallel 8;	3834	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	3835	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	3836	undef $AnyEvent::AIO::WATCHER;
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	3837	}
2988		3838
2989	my $_log_backtrace;	3839	my $_log_backtrace;
2990		3840
2991	sub _log_backtrace {	3841	sub _log_backtrace {
…		…
2994	$msg =~ s/\n//;	3844	$msg =~ s/\n//;
2995		3845
2996	# limit the # of concurrent backtraces	3846	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	3847	if ($_log_backtrace < 2) {
2998	++$_log_backtrace;	3848	++$_log_backtrace;
		3849	my $perl_bt = Carp::longmess $msg;
2999	async {	3850	async {
		3851	$Coro::current->{desc} = "abt $msg";
		3852
3000	my @bt = fork_call {	3853	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	3854	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3855	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3856	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	3857	or die "addr2line: $!";
…		…
3012	}	3865	}
3013		3866
3014	@funcs	3867	@funcs
3015	};	3868	};
3016		3869
3017	LOG llevInfo, "[ABT] $msg\n";	3870	LOG llevInfo, "[ABT] $perl_bt\n";
		3871	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	3872	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	3873	--$_log_backtrace;
3020	};	3874	};
3021	} else {	3875	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	3876	LOG llevInfo, "[ABT] $msg\n";

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