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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.273 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.456 by root, Tue Sep 30 04:00:35 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 $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
98		134
99	binmode STDOUT;	135	binmode STDOUT;
100	binmode STDERR;	136	binmode STDERR;
101		137
102	# read virtual server time, if available	138	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	140	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
107	}	143	}
108		144
109	mkdir $_	145	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		191
156	The raw value load value from the last tick.	192	The raw value load value from the last tick.
157		193
158	=item %cf::CFG	194	=item %cf::CFG
159		195
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	197	from wherever your confdir points to.
162		198
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		200
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	201	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	202	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.	203	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		204
		205	=item @cf::INVOKE_RESULTS
		206
		207	This array contains the results of the last C<invoke ()> call. When
		208	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		209	that call.
		210
169	=back	211	=back
170		212
171	=cut	213	=cut
172		214
173	BEGIN {	215	BEGIN {
…		…
177	$msg .= "\n"	219	$msg .= "\n"
178	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
179		221
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		223
182	utf8::encode $msg;
183	LOG llevError, $msg;	224	LOG llevError, $msg;
184	};	225	};
185	}	226	}
		227
		228	$Coro::State::DIEHOOK = sub {
		229	return unless $^S eq 0; # "eq", not "=="
		230
		231	if ($Coro::current == $Coro::main) {#d#
		232	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		233	return;#d#
		234	}#d#
		235
		236	# kill coroutine otherwise
		237	warn Carp::longmess $_[0];
		238	Coro::terminate
		239	};
		240
		241	$SIG{__DIE__} = sub { }; #d#?
186		242
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	253	for my $pkg (qw(
198	cf::global cf::attachable	254	cf::global cf::attachable
199	cf::object cf::object::player	255	cf::object cf::object::player
200	cf::client cf::player	256	cf::client cf::player
201	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
202	cf::map cf::party cf::region	259	cf::party cf::region
203	)) {	260	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	262	}
207		263
208	$Event::DIED = sub {	264	$EV::DIED = sub {
209	warn "error in event callback: @_";	265	warn "error in event callback: @_";
210	};	266	};
		267
		268	#############################################################################
211		269
212	=head2 UTILITY FUNCTIONS	270	=head2 UTILITY FUNCTIONS
213		271
214	=over 4	272	=over 4
215		273
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	293	$d
236	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
237	}	295	}
238		296
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
242		298
243	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
244		300
245	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
246		302
247	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
		304
		305	=cut
		306
		307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		308
		309	sub encode_json($) { $json_coder->encode ($_[0]) }
		310	sub decode_json($) { $json_coder->decode ($_[0]) }
		311
		312	=item cf::post_init { BLOCK }
		313
		314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		315	but I<before> the server starts ticking again.
		316
		317	The cdoeblock will have a single boolean argument to indicate whether this
		318	is a reload or not.
		319
		320	=cut
		321
		322	sub post_init(&) {
		323	push @POST_INIT, shift;
		324	}
248		325
249	=item cf::lock_wait $string	326	=item cf::lock_wait $string
250		327
251	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
252		329
…		…
255	Wait until the given lock is available and then acquires it and returns	332	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	333	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
258	returned.	335	returned.
259		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
260	Lock names should begin with a unique identifier (for example, cf::map::find	340	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
262		342
263	=item $locked = cf::lock_active $string	343	=item $locked = cf::lock_active $string
264		344
265	Return true if the lock is currently active, i.e. somebody has locked it.	345	Return true if the lock is currently active, i.e. somebody has locked it.
266		346
267	=cut	347	=cut
268		348
269	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
270		351
271	sub lock_wait($) {	352	sub lock_wait($) {
272	my ($key) = @_;	353	my ($key) = @_;
273		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
274	# wait for lock, if any	360	# wait for lock, if any
275	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
276	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	364	Coro::schedule;
278	}	365	}
279	}	366	}
280		367
…		…
283		370
284	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
285	lock_wait $key;	372	lock_wait $key;
286		373
287	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
288		376
289	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
292	}	381	}
293	}	382	}
294		383
…		…
297		386
298	! ! $LOCK{$key}	387	! ! $LOCK{$key}
299	}	388	}
300		389
301	sub freeze_mainloop {	390	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
303		392
304	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
305	$TICK_WATCHER->start;	394	}
		395
		396	=item cf::periodic $interval, $cb
		397
		398	Like EV::periodic, but randomly selects a starting point so that the actions
		399	get spread over timer.
		400
		401	=cut
		402
		403	sub periodic($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
306	};	454	}
307	$TICK_WATCHER->stop;	455	};
308	$guard	456
		457	sub get_slot($;$$) {
		458	return if tick_inhibit || $Coro::current == $Coro::main;
		459
		460	my ($time, $pri, $name) = @_;
		461
		462	$time = $TICK * .6 if $time > $TICK * .6;
		463	my $sig = new Coro::Signal;
		464
		465	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		466	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		467	$SLOT_QUEUE->ready;
		468	$sig->wait;
309	}	469	}
310		470
311	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
312		472
313	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		478
319	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
320		480
321	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
322		482
323	The design of crossfire+ requires that the main coro ($Coro::main) is	483	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	484	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		486	acceptable.
326		487
327	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	490	server will be frozen during this time, so the block should either finish
330	fast or be very important.	491	fast or be very important.
…		…
333		494
334	sub sync_job(&) {	495	sub sync_job(&) {
335	my ($job) = @_;	496	my ($job) = @_;
336		497
337	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	499	my $time = EV::time;
339		500
340	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
342		503
343	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	505
345	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
346		507
347	my $busy = 1;	508	my $busy = 1;
348	my @res;	509	my @res;
349		510
350	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	513	@res = eval { $job->() };
352	warn $@ if $@;	514	warn $@ if $@;
353	undef $busy;	515	undef $busy;
354	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
355		517
356	while ($busy) {	518	while ($busy) {
357	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
358	}	523	}
		524	}
359		525
360	$time = Event::time - $time;	526	my $time = EV::time - $time;
361		527
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	528	$TICK_START += $time; # do not account sync jobs to server load
366		529
367	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
368	} else {	531	} else {
369	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
370		533
…		…
390	$EXT_CORO{$coro+0} = $coro;	553	$EXT_CORO{$coro+0} = $coro;
391		554
392	$coro	555	$coro
393	}	556	}
394		557
395	sub write_runtime {	558	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		559
398	# first touch the runtime file to show we are still running:	560	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	561	process, returning the results. Everything must be serialisable with
		562	Coro::Storable. May, of course, block. Note that the executed sub may
		563	never block itself or use any form of event handling.
400		564
401	IO::AIO::aio_utime $runtime, undef, undef;	565	=cut
402		566
403	my $guard = cf::lock_acquire "write_runtime";	567	sub fork_call(&@) {
		568	my ($cb, @args) = @_;
404		569
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	570	# we seemingly have to make a local copy of the whole thing,
406	or return;	571	# otherwise perl prematurely frees the stuff :/
		572	# TODO: investigate and fix (likely this will be rather laborious)
407		573
408	my $value = $cf::RUNTIME + 90 + 10;	574	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	575	reset_signals;
410	# 60 allows for the watchdog to kill the server.	576	&$cb
		577	}, @args;
411		578
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	579	wantarray ? @res : $res[-1]
413	and return;	580	}
414		581
415	# always fsync - this file is important	582	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		583
419	# touch it again to show we are up-to-date	584	=cut
420	aio_utime $fh, undef, undef;
421		585
422	close $fh	586	our %coin_alias = (
423	or return;	587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
424		602
425	aio_rename "$runtime~", $runtime	603	sub coin_from_name($) {
426	and return;	604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
		607	}
427		608
428	warn "runtime file written.\n";#d#	609	=item $value = cf::db_get $family => $key
429		610
		611	Returns a single value from the environment database.
		612
		613	=item cf::db_put $family => $key => $value
		614
		615	Stores the given C<$value> in the family. It can currently store binary
		616	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		617
		618	=item $db = cf::db_table "name"
		619
		620	Create and/or open a new database table. The string must not be "db" and must be unique
		621	within each server.
		622
		623	=cut
		624
		625	sub db_table($) {
		626	my ($name) = @_;
		627	my $db = BDB::db_create $DB_ENV;
		628
		629	eval {
		630	$db->set_flags (BDB::CHKSUM);
		631
		632	utf8::encode $name;
		633	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		634	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		635	cf::cleanup "db_open(db): $!" if $!;
		636	};
		637	cf::cleanup "db_open(db): $@" if $@;
		638
		639	$db
		640	}
		641
		642	our $DB;
		643
		644	sub db_init {
		645	cf::sync_job {
		646	$DB ||= db_table "db";
		647	};
		648	}
		649
		650	sub db_get($$) {
		651	my $key = "$_[0]/$_[1]";
		652
		653	cf::sync_job {
		654	BDB::db_get $DB, undef, $key, my $data;
		655
		656	$! ? ()
		657	: $data
430	1	658	}
		659	}
		660
		661	sub db_put($$$) {
		662	BDB::dbreq_pri 4;
		663	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		664	}
		665
		666	=item cf::cache $id => [$paths...], $processversion => $process
		667
		668	Generic caching function that returns the value of the resource $id,
		669	caching and regenerating as required.
		670
		671	This function can block.
		672
		673	=cut
		674
		675	sub cache {
		676	my ($id, $src, $processversion, $process) = @_;
		677
		678	my $meta =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	aio_stat $_
		683	and Carp::croak "$_: $!";
		684
		685	($_, (stat _)[7,9])
		686	} @$src;
		687
		688	my $dbmeta = db_get cache => "$id/meta";
		689	if ($dbmeta ne $meta) {
		690	# changed, we may need to process
		691
		692	my @data;
		693	my $md5;
		694
		695	for (0 .. $#$src) {
		696	0 <= aio_load $src->[$_], $data[$_]
		697	or Carp::croak "$src->[$_]: $!";
		698	}
		699
		700	# if processing is expensive, check
		701	# checksum first
		702	if (1) {
		703	$md5 =
		704	join "\x00",
		705	$processversion,
		706	map {
		707	cf::cede_to_tick;
		708	($src->[$_], Digest::MD5::md5_hex $data[$_])
		709	} 0.. $#$src;
		710
		711
		712	my $dbmd5 = db_get cache => "$id/md5";
		713	if ($dbmd5 eq $md5) {
		714	db_put cache => "$id/meta", $meta;
		715
		716	return db_get cache => "$id/data";
		717	}
		718	}
		719
		720	my $t1 = Time::HiRes::time;
		721	my $data = $process->(\@data);
		722	my $t2 = Time::HiRes::time;
		723
		724	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		725
		726	db_put cache => "$id/data", $data;
		727	db_put cache => "$id/md5" , $md5;
		728	db_put cache => "$id/meta", $meta;
		729
		730	return $data;
		731	}
		732
		733	db_get cache => "$id/data"
431	}	734	}
432		735
433	=item cf::datalog type => key => value, ...	736	=item cf::datalog type => key => value, ...
434		737
435	Log a datalog packet of the given type with the given key-value pairs.	738	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		750
448	#############################################################################	751	#############################################################################
449		752
450	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
451		754
452	Many objects in crossfire are so-called attachable objects. That means you can	755	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	756	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
455		758
456	In the following description, CLASS can be any of C<global>, C<object>	759	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	760	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	761	Deliantra).
459		762
460	=over 4	763	=over 4
461		764
462	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
463		766
…		…
507	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
508		811
509	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
511		814
512	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	816	that are attached at load/instantiate time, thus the need for a name.
514		817
515	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
516		819
517	=over 4	820	=over 4
…		…
665	_attach $registry, $klass, @attach;	968	_attach $registry, $klass, @attach;
666	}	969	}
667		970
668	$obj->{$name} = \%arg;	971	$obj->{$name} = \%arg;
669	} else {	972	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	973	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	974	}
672		975
673	$obj->{_attachment}{$name} = undef;	976	$obj->{_attachment}{$name} = undef;
674	}	977	}
675		978
…		…
715	";	1018	";
716	die if $@;	1019	die if $@;
717	}	1020	}
718		1021
719	our $override;	1022	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1023	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1024
722	sub override {	1025	sub override {
723	$override = 1;	1026	$override = 1;
724	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
725	}	1028	}
726		1029
727	sub do_invoke {	1030	sub do_invoke {
728	my $event = shift;	1031	my $event = shift;
729	my $callbacks = shift;	1032	my $callbacks = shift;
730		1033
731	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
732		1035
733	local $override;	1036	local $override;
734		1037
735	for (@$callbacks) {	1038	for (@$callbacks) {
736	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
745	}	1048	}
746		1049
747	0	1050	0
748	}	1051	}
749		1052
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1054
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1056
754	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
755		1058
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1059	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1060	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1062
760	=back	1063	=back
761		1064
762	=cut	1065	=cut
763		1066
764	#############################################################################	1067	#############################################################################
765	# object support	1068	# object support
		1069
		1070	sub _object_equal($$);
		1071	sub _object_equal($$) {
		1072	my ($a, $b) = @_;
		1073
		1074	return 0 unless (ref $a) eq (ref $b);
		1075
		1076	if ("HASH" eq ref $a) {
		1077	my @ka = keys %$a;
		1078	my @kb = keys %$b;
		1079
		1080	return 0 if @ka != @kb;
		1081
		1082	for (0 .. $#ka) {
		1083	return 0 unless $ka[$_] eq $kb[$_];
		1084	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1085	}
		1086
		1087	} elsif ("ARRAY" eq ref $a) {
		1088
		1089	return 0 if @$a != @$b;
		1090
		1091	for (0 .. $#$a) {
		1092	return 0 unless _object_equal $a->[$_], $b->[$_];
		1093	}
		1094
		1095	} elsif ($a ne $b) {
		1096	return 0;
		1097	}
		1098
		1099	1
		1100	}
		1101
		1102	our $SLOW_MERGES;#d#
		1103	sub _can_merge {
		1104	my ($ob1, $ob2) = @_;
		1105
		1106	++$SLOW_MERGES;#d#
		1107
		1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
		1110	}
766		1111
767	sub reattach {	1112	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1114	my ($obj) = @_;
770		1115
		1116	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1117	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1118
773	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
774		1120
775	@$registry = ();	1121	@$registry = ();
776		1122
…		…
791	cf::attachable->attach (	1137	cf::attachable->attach (
792	prio => -1000000,	1138	prio => -1000000,
793	on_instantiate => sub {	1139	on_instantiate => sub {
794	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
795		1141
796	$data = from_json $data;	1142	$data = decode_json $data;
797		1143
798	for (@$data) {	1144	for (@$data) {
799	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
800		1146
801	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1163	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
819		1165
820	sync_job {	1166	sync_job {
821	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
824		1171
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1176	aio_close $fh;
830		1177
831	if (@$objs) {	1178	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1184	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
839	}	1186	}
840	} else {	1187	} else {
841	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
842	}	1189	}
843		1190
844	aio_rename "$filename~", $filename;	1191	aio_rename "$filename~", $filename;
		1192
		1193	$filename =~ s%/[^/]+$%%;
		1194	aio_pathsync $filename;
845	} else {	1195	} else {
846	warn "FATAL: $filename~: $!\n";	1196	warn "FATAL: $filename~: $!\n";
847	}	1197	}
848	} else {	1198	} else {
849	aio_unlink $filename;	1199	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1200	aio_unlink "$filename.pst";
851	}	1201	}
852	}	1202	};
853	}	1203	}
854		1204
855	sub object_freezer_as_string {	1205	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1206	my ($rdata, $objs) = @_;
857		1207
…		…
869	or return;	1219	or return;
870		1220
871	unless (aio_stat "$filename.pst") {	1221	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1222	(aio_load "$filename.pst", $av) >= 0
873	or return;	1223	or return;
		1224
874	$av = eval { (Storable::thaw $av)->{objs} };	1225	my $st = eval { Coro::Storable::thaw $av };
		1226	$av = $st->{objs};
875	}	1227	}
876		1228
		1229	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1230	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};#d#	1231	$decname, length $data, scalar @{$av || []};
		1232
879	return ($data, $av);	1233	($data, $av)
880	}	1234	}
		1235
		1236	=head2 COMMAND CALLBACKS
		1237
		1238	=over 4
		1239
		1240	=cut
881		1241
882	#############################################################################	1242	#############################################################################
883	# command handling &c	1243	# command handling &c
884		1244
885	=item cf::register_command $name => \&callback($ob,$args);	1245	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1258	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1259	}
900		1260
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1261	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1262
903	Register a callbackf ro execution when the client sends an extcmd packet.	1263	Register a callback for execution when the client sends an (synchronous)
		1264	extcmd packet. Ext commands will be processed in the order they are
		1265	received by the server, like other user commands. The first argument is
		1266	the logged-in player. Ext commands can only be processed after a player
		1267	has logged in successfully.
904		1268
905	If the callback returns something, it is sent back as if reply was being	1269	If the callback returns something, it is sent back as if reply was being
906	called.	1270	called.
907		1271
		1272	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1273
		1274	Register a callback for execution when the client sends an (asynchronous)
		1275	exticmd packet. Exti commands are processed by the server as soon as they
		1276	are received, i.e. out of order w.r.t. other commands. The first argument
		1277	is a client socket. Exti commands can be received anytime, even before
		1278	log-in.
		1279
		1280	If the callback returns something, it is sent back as if reply was being
		1281	called.
		1282
908	=cut	1283	=cut
909		1284
910	sub register_extcmd {	1285	sub register_extcmd {
911	my ($name, $cb) = @_;	1286	my ($name, $cb) = @_;
912		1287
913	$EXTCMD{$name} = $cb;	1288	$EXTCMD{$name} = $cb;
		1289	}
		1290
		1291	sub register_exticmd {
		1292	my ($name, $cb) = @_;
		1293
		1294	$EXTICMD{$name} = $cb;
914	}	1295	}
915		1296
916	cf::player->attach (	1297	cf::player->attach (
917	on_command => sub {	1298	on_command => sub {
918	my ($pl, $name, $params) = @_;	1299	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1308	cf::override;
928	},	1309	},
929	on_extcmd => sub {	1310	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1311	my ($pl, $buf) = @_;
931		1312
932	my $msg = eval { from_json $buf };	1313	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1314
934	if (ref $msg) {	1315	if (ref $msg) {
		1316	my ($type, $reply, @payload) =
		1317	"ARRAY" eq ref $msg
		1318	? @$msg
		1319	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1320
		1321	my @reply;
		1322
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1323	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1324	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1325	}
		1326
		1327	$pl->ext_reply ($reply, @reply)
		1328	if $reply;
		1329
940	} else {	1330	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1331	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1332	}
943		1333
944	cf::override;	1334	cf::override;
945	},	1335	},
946	);	1336	);
947		1337
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1338	sub load_extensions {
		1339	cf::sync_job {
		1340	my %todo;
		1341
983	for my $ext (<$LIBDIR/*.ext>) {	1342	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1343	next unless -r $path;
985	eval {	1344
986	load_extension $ext;	1345	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1346	my $base = $1;
		1347	my $pkg = $1;
		1348	$pkg =~ s/[^[:word:]]/_/g;
		1349	$pkg = "ext::$pkg";
		1350
		1351	open my $fh, "<:utf8", $path
		1352	or die "$path: $!";
		1353
		1354	my $source = do { local $/; <$fh> };
		1355
		1356	my %ext = (
		1357	path => $path,
		1358	base => $base,
		1359	pkg => $pkg,
		1360	);
		1361
		1362	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1363	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1364
		1365	$ext{source} =
		1366	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1367	. "#line 1 \"$path\"\n{\n"
		1368	. $source
		1369	. "\n};\n1";
		1370
		1371	$todo{$base} = \%ext;
		1372	}
		1373
		1374	my %done;
		1375	while (%todo) {
		1376	my $progress;
		1377
		1378	while (my ($k, $v) = each %todo) {
		1379	for (split /,\s*/, $v->{meta}{depends}) {
		1380	goto skip
		1381	unless exists $done{$_};
		1382	}
		1383
		1384	warn "... loading '$k' into '$v->{pkg}'\n";
		1385
		1386	unless (eval $v->{source}) {
		1387	my $msg = $@ ? "$v->{path}: $@\n"
		1388	: "$v->{base}: extension inactive.\n";
		1389
		1390	if (exists $v->{meta}{mandatory}) {
		1391	warn $msg;
		1392	cf::cleanup "mandatory extension failed to load, exiting.";
		1393	}
		1394
		1395	warn $msg;
		1396	}
		1397
		1398	$done{$k} = delete $todo{$k};
		1399	push @EXTS, $v->{pkg};
		1400	$progress = 1;
987	1	1401	}
988	} or warn "$ext not loaded: $@";	1402
		1403	skip:
		1404	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1405	unless $progress;
		1406	}
989	}	1407	};
990	}	1408	}
991		1409
992	#############################################################################	1410	#############################################################################
993		1411
		1412	=back
		1413
994	=head2 CORE EXTENSIONS	1414	=head2 CORE EXTENSIONS
995		1415
996	Functions and methods that extend core crossfire objects.	1416	Functions and methods that extend core deliantra objects.
997		1417
998	=cut	1418	=cut
999		1419
1000	package cf::player;	1420	package cf::player;
1001		1421
1002	use Coro::AIO;	1422	use Coro::AIO;
1003		1423
1004	=head3 cf::player	1424	=head3 cf::player
1005		1425
1006	=over 4	1426	=over 4
		1427
		1428	=item cf::player::num_playing
		1429
		1430	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1431
		1432	=cut
		1433
		1434	sub num_playing {
		1435	scalar grep
		1436	$_->ob->map
		1437	&& !$_->hidden
		1438	&& !$_->ob->flag (cf::FLAG_WIZ),
		1439	cf::player::list
		1440	}
1007		1441
1008	=item cf::player::find $login	1442	=item cf::player::find $login
1009		1443
1010	Returns the given player object, loading it if necessary (might block).	1444	Returns the given player object, loading it if necessary (might block).
1011		1445
…		…
1030		1464
1031	sub exists($) {	1465	sub exists($) {
1032	my ($login) = @_;	1466	my ($login) = @_;
1033		1467
1034	$cf::PLAYER{$login}	1468	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1469	or !aio_stat path $login
1036	}	1470	}
1037		1471
1038	sub find($) {	1472	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1473	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1474	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1481	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1482	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1483	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1484	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1485
1052	my $pl = load_pl path $login	1486	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1487	or return;
		1488
		1489	my $pl = cf::player::load_pl $f
		1490	or return;
		1491
		1492	local $cf::PLAYER_LOADING{$login} = $pl;
		1493	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1494	$cf::PLAYER{$login} = $pl
1055	}	1495	}
1056	}	1496	}
1057	}	1497	}
1058		1498
…		…
1067	return if $pl->{deny_save};	1507	return if $pl->{deny_save};
1068		1508
1069	aio_mkdir playerdir $pl, 0770;	1509	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1510	$pl->{last_save} = $cf::RUNTIME;
1071		1511
		1512	cf::get_slot 0.01;
		1513
1072	$pl->save_pl ($path);	1514	$pl->save_pl ($path);
1073	Coro::cede;	1515	cf::cede_to_tick;
1074	}	1516	}
1075		1517
1076	sub new($) {	1518	sub new($) {
1077	my ($login) = @_;	1519	my ($login) = @_;
1078		1520
…		…
1084	$cf::PLAYER{$login} = $self;	1526	$cf::PLAYER{$login} = $self;
1085		1527
1086	$self	1528	$self
1087	}	1529	}
1088		1530
		1531	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1532
		1533	=cut
		1534
		1535	sub send_msg {
		1536	my $ns = shift->ns
		1537	or return;
		1538	$ns->send_msg (@_);
		1539	}
		1540
1089	=item $pl->quit_character	1541	=item $pl->quit_character
1090		1542
1091	Nukes the player without looking back. If logged in, the connection will	1543	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1544	be destroyed. May block for a long time.
1093		1545
…		…
1097	my ($pl) = @_;	1549	my ($pl) = @_;
1098		1550
1099	my $name = $pl->ob->name;	1551	my $name = $pl->ob->name;
1100		1552
1101	$pl->{deny_save} = 1;	1553	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1554	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1555
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1556	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1557	$pl->deactivate;
		1558	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1559	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1560	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1561	$pl->ns->destroy if $pl->ns;
1108		1562
1109	my $path = playerdir $pl;	1563	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1564	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1600	or return [];
1147		1601
1148	my @logins;	1602	my @logins;
1149		1603
1150	for my $login (@$dirs) {	1604	for my $login (@$dirs) {
		1605	my $path = path $login;
		1606
		1607	# a .pst is a dead give-away for a valid player
		1608	# if no pst file found, open and chekc for blocked users
		1609	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1610	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1611	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1612	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1613	}
1154		1614
1155	utf8::decode $login;	1615	utf8::decode $login;
1156	push @logins, $login;	1616	push @logins, $login;
1157	}	1617	}
1158		1618
…		…
1185	}	1645	}
1186		1646
1187	\@paths	1647	\@paths
1188	}	1648	}
1189		1649
		1650	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1651
		1652	Expand deliantra pod fragments into protocol xml.
		1653
1190	=item $player->ext_reply ($msgid, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1191		1655
1192	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1193		1657
1194	=cut	1658	=cut
1195		1659
1196	sub ext_reply($$%) {	1660	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1198		1662
1199	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1664	}
1203		1665
1204	=item $player->ext_event ($type, %msg)	1666	=item $player->ext_msg ($type, @msg)
1205		1667
1206	Sends an ext event to the client.	1668	Sends an ext event to the client.
1207		1669
1208	=cut	1670	=cut
1209		1671
1210	sub ext_event($$%) {	1672	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1673	my ($self, $type, @msg) = @_;
1212		1674
1213	$self->ns->ext_event ($type, %msg);	1675	$self->ns->ext_msg ($type, @msg);
1214	}	1676	}
1215		1677
1216	=head3 cf::region	1678	=head3 cf::region
1217		1679
1218	=over 4	1680	=over 4
…		…
1221		1683
1222	package cf::region;	1684	package cf::region;
1223		1685
1224	=item cf::region::find_by_path $path	1686	=item cf::region::find_by_path $path
1225		1687
1226	Tries to decuce the probable region for a map knowing only its path.	1688	Tries to decuce the likely region for a map knowing only its path.
1227		1689
1228	=cut	1690	=cut
1229		1691
1230	sub find_by_path($) {	1692	sub find_by_path($) {
1231	my ($path) = @_;	1693	my ($path) = @_;
1232		1694
1233	my ($match, $specificity);	1695	my ($match, $specificity);
1234		1696
1235	for my $region (list) {	1697	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1698	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1699	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1700	if $region->specificity > $specificity;
1239	}	1701	}
1240	}	1702	}
1241		1703
…		…
1262	our $MAX_RESET = 3600;	1724	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1725	our $DEFAULT_RESET = 3000;
1264		1726
1265	sub generate_random_map {	1727	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1728	my ($self, $rmp) = @_;
		1729
		1730	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1731
1267	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1733	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1305	my ($self, $merge) = @_;	1770	my ($self, $merge) = @_;
1306		1771
1307	# we have to keep some variables in memory intact	1772	# we have to keep some variables in memory intact
1308	local $self->{path};	1773	local $self->{path};
1309	local $self->{load_path};	1774	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1775
1313	$self->SUPER::thawer_merge ($merge);	1776	$self->SUPER::thawer_merge ($merge);
1314	}	1777	}
1315		1778
1316	sub normalise {	1779	sub normalise {
…		…
1363	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1364	return $self;	1827	return $self;
1365	}	1828	}
1366	}	1829	}
1367		1830
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1369	()	1832	()
1370	}	1833	}
1371		1834
1372	sub init {	1835	sub init {
1373	my ($self) = @_;	1836	my ($self) = @_;
…		…
1395		1858
1396	# the temporary/swap location	1859	# the temporary/swap location
1397	sub save_path {	1860	sub save_path {
1398	my ($self) = @_;	1861	my ($self) = @_;
1399		1862
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	1864	"$TMPDIR/$path.map"
1402	}	1865	}
1403		1866
1404	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1405	sub uniq_path {	1868	sub uniq_path {
1406	my ($self) = @_;	1869	my ($self) = @_;
1407		1870
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	1872	"$UNIQUEDIR/$path"
1410	}	1873	}
1411		1874
1412	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1413	# all maps in C++...	1876	# all maps in C++...
…		…
1416		1879
1417	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1418	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1419	}	1882	}
1420		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1421	sub unlink_save {	1892	sub unlink_save {
1422	my ($self) = @_;	1893	my ($self) = @_;
1423		1894
1424	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1425	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1428		1899
1429	sub load_header_from($) {	1900	sub load_header_from($) {
1430	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1431		1902
1432	utf8::encode $path;	1903	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	1905	or return;
		1906
		1907	$self->_load_header ($f)
		1908	or return;
		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
1438		1912
1439	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1440		1914
1441	1	1915	1
1442	}	1916	}
…		…
1481	$self->load_header_orig	1955	$self->load_header_orig
1482	or return;	1956	or return;
1483	$self->prepare_orig;	1957	$self->prepare_orig;
1484	}	1958	}
1485		1959
		1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
		1962
1486	$self->default_region (cf::region::find_by_path $self->{path})	1963	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	1964	unless $self->default_region;
1488		1965
1489	1	1966	1
1490	}	1967	}
…		…
1493	sub find {	1970	sub find {
1494	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1495		1972
1496	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1497		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1499		1977
1500	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
		1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1501	my $guard = cf::lock_acquire "map_find:$path";	1980	my $guard2 = cf::lock_acquire "map_find:$path";
		1981
1502	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1503	or return;	1983	or return;
1504		1984
1505	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1506		1986
1507	$map->load_header	1987	$map->load_header
1508	or return;	1988	or return;
1509		1989
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard2;
		1994	undef $guard1;
1513	$map->reset;	1995	$map->reset;
1514	undef $guard;
1515	return find $path;	1996	return find $path;
1516	}	1997	}
1517		1998
1518	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1519	}	2000	}
…		…
1528	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1529		2010
1530	my $path = $self->{path};	2011	my $path = $self->{path};
1531		2012
1532	{	2013	{
1533	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1534		2015
		2016	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		2018
1537	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1538		2020
1539	$self->alloc;	2021	$self->alloc;
1540		2022
1541	$self->pre_load;	2023	$self->pre_load;
1542	Coro::cede;	2024	cf::cede_to_tick;
1543		2025
		2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	2028	$self->_load_objects ($f)
1545	or return;	2029	or return;
1546		2030
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->post_load_original
1548	if delete $self->{load_original};	2032	if delete $self->{load_original};
1549		2033
1550	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2035	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2038	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1555	}	2042	}
1556	}	2043	}
1557		2044
1558	Coro::cede;	2045	$f->resolve_delayed_derefs;
		2046
		2047	cf::cede_to_tick;
1559	# now do the right thing for maps	2048	# now do the right thing for maps
1560	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2051	unless $self->difficulty;
1563	Coro::cede;	2052	cf::cede_to_tick;
1564		2053
1565	unless ($self->{deny_activate}) {	2054	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2055	$self->decay_objects;
1567	$self->fix_auto_apply;	2056	$self->fix_auto_apply;
1568	$self->update_buttons;	2057	$self->update_buttons;
1569	Coro::cede;	2058	cf::cede_to_tick;
1570	$self->set_darkness_map;	2059	$self->set_darkness_map;
1571	Coro::cede;	2060	cf::cede_to_tick;
1572	$self->activate;	2061	$self->activate;
1573	}	2062	}
1574		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2067	$self->in_memory (cf::MAP_ACTIVE);
1576	}	2068	}
1577		2069
1578	$self->post_load;	2070	$self->post_load;
1579	}	2071	}
1580		2072
…		…
1582	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1583		2075
1584	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2077	if $self->per_player;
1586		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1587	$self	2082	$self
1588	}	2083	}
1589		2084
1590	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2086	sub load_neighbours {
1592	my ($map) = @_;	2087	my ($map) = @_;
1593		2088
1594	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1595		2090
1596	for (0 .. 3) {	2091	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1598	or next;	2093	or next;
1599	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1600	or next;	2095	or next;
1601	$neigh->load;	2096	$neigh->load;
1602		2097
		2098	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2101	}
1606		2102
1607	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1609	or next;	2106	or next;
1610	$neigh->load;	2107	$neigh->load;
1611	}	2108	}
1612	}	2109	}
1613		2110
…		…
1618	}	2115	}
1619		2116
1620	sub do_load_sync {	2117	sub do_load_sync {
1621	my ($map) = @_;	2118	my ($map) = @_;
1622		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1623	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1624	}	2124	}
1625		2125
1626	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1628		2128
1629	sub find_async {	2129	sub find_async {
1630	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1631		2131
1632	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1633		2133
1634	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636	}	2136	}
1637		2137
1638	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1639	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1640	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2145	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2146	$map->load if $v;
		2147	}
1645		2148
1646	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1647	}	2150	}
1648	}	2151	}
1649	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1650	};	2153	};
1651	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1654	}	2157	}
1655		2158
1656	sub save {	2159	sub save {
1657	my ($self) = @_;	2160	my ($self) = @_;
1658		2161
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2163
1661	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1662		2165
1663	return unless $self->dirty;	2166	return unless $self->dirty;
1664		2167
…		…
1670	return if $self->{deny_save};	2173	return if $self->{deny_save};
1671		2174
1672	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1673		2176
1674	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1676	};	2180	};
		2181
		2182	cf::get_slot 0.02;
1677		2183
1678	if ($uniq) {	2184	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2185	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2186	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2187	} else {
…		…
1687	my ($self) = @_;	2193	my ($self) = @_;
1688		2194
1689	# save first because save cedes	2195	# save first because save cedes
1690	$self->save;	2196	$self->save;
1691		2197
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2198	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2199
1694	return if $self->players;	2200	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;	2201	return if $self->in_memory != cf::MAP_ACTIVE;
1696	return if $self->{deny_save};	2202	return if $self->{deny_save};
1697		2203
		2204	$self->in_memory (cf::MAP_SWAPPED);
		2205
		2206	$self->deactivate;
		2207	$_->clear_links_to ($self) for values %cf::MAP;
1698	$self->clear;	2208	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2209	}
1701		2210
1702	sub reset_at {	2211	sub reset_at {
1703	my ($self) = @_;	2212	my ($self) = @_;
1704		2213
1705	# TODO: safety, remove and allow resettable per-player maps	2214	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2215	return 1e99 if $self->{deny_reset};
1708		2216
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2217	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2218	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2219
…		…
1722	my ($self) = @_;	2230	my ($self) = @_;
1723		2231
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2232	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2233
1726	return if $self->players;	2234	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2235
1729	warn "resetting map ", $self->path;#d#	2236	warn "resetting map ", $self->path;
1730		2237
1731	$self->in_memory (cf::MAP_SWAPPED);	2238	$self->in_memory (cf::MAP_SWAPPED);
1732		2239
1733	# need to save uniques path	2240	# need to save uniques path
1734	unless ($self->{deny_save}) {	2241	unless ($self->{deny_save}) {
…		…
1738	if $uniq;	2245	if $uniq;
1739	}	2246	}
1740		2247
1741	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1742		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2252	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2253
1747	$self->unlink_save;	2254	$self->unlink_save;
1748	$self->destroy;	2255	$self->destroy;
1749	}	2256	}
1750		2257
1751	my $nuke_counter = "aaaa";	2258	my $nuke_counter = "aaaa";
1752		2259
1753	sub nuke {	2260	sub nuke {
1754	my ($self) = @_;	2261	my ($self) = @_;
1755		2262
		2263	{
		2264	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2265
1756	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1757		2267
1758	$self->unlink_save;	2268	$self->unlink_save;
1759		2269
1760	bless $self, "cf::map";	2270	bless $self, "cf::map";
1761	delete $self->{deny_reset};	2271	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2272	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2273	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2274	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2275
1766	$cf::MAP{$self->path} = $self;	2276	$cf::MAP{$self->path} = $self;
		2277	}
1767		2278
1768	$self->reset; # polite request, might not happen	2279	$self->reset; # polite request, might not happen
		2280	}
		2281
		2282	=item $maps = cf::map::tmp_maps
		2283
		2284	Returns an arrayref with all map paths of currently instantiated and saved
		2285	maps. May block.
		2286
		2287	=cut
		2288
		2289	sub tmp_maps() {
		2290	[
		2291	map {
		2292	utf8::decode $_;
		2293	/\.map$/
		2294	? normalise $_
		2295	: ()
		2296	} @{ aio_readdir $TMPDIR or [] }
		2297	]
		2298	}
		2299
		2300	=item $maps = cf::map::random_maps
		2301
		2302	Returns an arrayref with all map paths of currently instantiated and saved
		2303	random maps. May block.
		2304
		2305	=cut
		2306
		2307	sub random_maps() {
		2308	[
		2309	map {
		2310	utf8::decode $_;
		2311	/\.map$/
		2312	? normalise "?random/$_"
		2313	: ()
		2314	} @{ aio_readdir $RANDOMDIR or [] }
		2315	]
1769	}	2316	}
1770		2317
1771	=item cf::map::unique_maps	2318	=item cf::map::unique_maps
1772		2319
1773	Returns an arrayref of paths of all shared maps that have	2320	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2321	instantiated unique items. May block.
1775		2322
1776	=cut	2323	=cut
1777		2324
1778	sub unique_maps() {	2325	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2326	[
1780	or return;	2327	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2328	utf8::decode $_;
1786	next if /\.pst$/;	2329	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2330	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2331	? ()
1789	push @paths, cf::map::normalise $_;	2332	: normalise $_
		2333	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2334	]
1791
1792	\@paths
1793	}	2335	}
1794
1795	package cf;
1796		2336
1797	=back	2337	=back
1798		2338
1799	=head3 cf::object	2339	=head3 cf::object
1800		2340
…		…
1804		2344
1805	=over 4	2345	=over 4
1806		2346
1807	=item $ob->inv_recursive	2347	=item $ob->inv_recursive
1808		2348
1809	Returns the inventory of the object _and_ their inventories, recursively.	2349	Returns the inventory of the object I<and> their inventories, recursively,
		2350	but I<not> the object itself.
1810		2351
1811	=cut	2352	=cut
1812		2353
1813	sub inv_recursive_;	2354	sub inv_recursive_;
1814	sub inv_recursive_ {	2355	sub inv_recursive_ {
…		…
1817		2358
1818	sub inv_recursive {	2359	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2360	inv_recursive_ inv $_[0]
1820	}	2361	}
1821		2362
		2363	=item $ref = $ob->ref
		2364
		2365	Creates and returns a persistent reference to an object that can be stored as a string.
		2366
		2367	=item $ob = cf::object::deref ($refstring)
		2368
		2369	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2370	even if the object actually exists. May block.
		2371
		2372	=cut
		2373
		2374	sub deref {
		2375	my ($ref) = @_;
		2376
		2377	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2378	my ($uuid, $name) = ($1, $2);
		2379	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2380	or return;
		2381	$pl->ob->uuid eq $uuid
		2382	or return;
		2383
		2384	$pl->ob
		2385	} else {
		2386	warn "$ref: cannot resolve object reference\n";
		2387	undef
		2388	}
		2389	}
		2390
1822	package cf;	2391	package cf;
1823		2392
1824	=back	2393	=back
1825		2394
1826	=head3 cf::object::player	2395	=head3 cf::object::player
…		…
1832	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2401	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833	can be C<undef>. Does the right thing when the player is currently in a	2402	can be C<undef>. Does the right thing when the player is currently in a
1834	dialogue with the given NPC character.	2403	dialogue with the given NPC character.
1835		2404
1836	=cut	2405	=cut
		2406
		2407	our $SAY_CHANNEL = {
		2408	id => "say",
		2409	title => "Map",
		2410	reply => "say ",
		2411	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2412	};
		2413
		2414	our $CHAT_CHANNEL = {
		2415	id => "chat",
		2416	title => "Chat",
		2417	reply => "chat ",
		2418	tooltip => "Player chat and shouts, global to the server.",
		2419	};
1837		2420
1838	# rough implementation of a future "reply" method that works	2421	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2422	# with dialog boxes.
1840	#TODO: the first argument must go, split into a $npc->reply_to ( method	2423	#TODO: the first argument must go, split into a $npc->reply_to ( method
1841	sub cf::object::player::reply($$$;$) {	2424	sub cf::object::player::reply($$$;$) {
…		…
1843		2426
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2427	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2428
1846	if ($self->{record_replies}) {	2429	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2430	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2431
1848	} else {	2432	} else {
		2433	my $pl = $self->contr;
		2434
		2435	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2436	my $dialog = $pl->{npc_dialog};
		2437	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2438
		2439	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2440	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2441	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2442	}
1851	}	2443	}
		2444	}
		2445
		2446	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2447
		2448	=cut
		2449
		2450	sub cf::object::send_msg {
		2451	my $pl = shift->contr
		2452	or return;
		2453	$pl->send_msg (@_);
1852	}	2454	}
1853		2455
1854	=item $player_object->may ("access")	2456	=item $player_object->may ("access")
1855		2457
1856	Returns wether the given player is authorized to access resource "access"	2458	Returns wether the given player is authorized to access resource "access"
…		…
1869		2471
1870	=item $player_object->enter_link	2472	=item $player_object->enter_link
1871		2473
1872	Freezes the player and moves him/her to a special map (C<{link}>).	2474	Freezes the player and moves him/her to a special map (C<{link}>).
1873		2475
1874	The player should be reasonably safe there for short amounts of time. You	2476	The player should be reasonably safe there for short amounts of time (e.g.
1875	I<MUST> call C<leave_link> as soon as possible, though.	2477	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2478	though, as the palyer cannot control the character while it is on the link
		2479	map.
1876		2480
1877	Will never block.	2481	Will never block.
1878		2482
1879	=item $player_object->leave_link ($map, $x, $y)	2483	=item $player_object->leave_link ($map, $x, $y)
1880		2484
…		…
1935	# use -1 or undef as default coordinates, not 0, 0	2539	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2540	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2541	if $x <=0 && $y <= 0;
1938		2542
1939	$map->load;	2543	$map->load;
1940	$map->load_diag;	2544	$map->load_neighbours;
1941		2545
1942	return unless $self->contr->active;	2546	return unless $self->contr->active;
		2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1943	$self->activate_recursive;	2548	$self->activate_recursive;
1944		2549
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2551	$self->enter_map ($map, $x, $y);
1947	}	2552	}
1948		2553
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2554	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950		2555
1951	Moves the player to the given map-path and coordinates by first freezing	2556	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2557	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2558	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2559	the new (success) or old (failed) map position. In either case, $done will
		2560	be called at the end of this process.
		2561
		2562	Note that $check will be called with a potentially non-loaded map, so if
		2563	it needs a loaded map it has to call C<< ->load >>.
1955		2564
1956	=cut	2565	=cut
1957		2566
1958	our $GOTOGEN;	2567	our $GOTOGEN;
1959		2568
1960	sub cf::object::player::goto {	2569	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2570	my ($self, $path, $x, $y, $check, $done) = @_;
1962		2571
1963	# do generation counting so two concurrent goto's will be executed in-order	2572	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2573	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2574
1966	$self->enter_link;	2575	$self->enter_link;
1967		2576
1968	(async {	2577	(async {
		2578	$Coro::current->{desc} = "player::goto $path $x $y";
		2579
		2580	# *tag paths override both path and x|y
		2581	if ($path =~ /^\*(.*)$/) {
		2582	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2583	my $ob = $obs[rand @obs];
		2584
		2585	# see if we actually can go there
		2586	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2587	$ob = $obs[rand @obs];
		2588	} else {
		2589	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	}
		2591	# else put us there anyways for now #d#
		2592
		2593	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2594	} else {
		2595	($path, $x, $y) = (undef, undef, undef);
		2596	}
		2597	}
		2598
1969	my $map = eval {	2599	my $map = eval {
1970	my $map = cf::map::find $path;	2600	my $map = defined $path ? cf::map::find $path : undef;
1971		2601
1972	if ($map) {	2602	if ($map) {
1973	$map = $map->customise_for ($self);	2603	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2604	$map = $check->($map) if $check && $map;
1975	} else {	2605	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2606	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2607	}
1978		2608
1979	$map	2609	$map
1980	};	2610	};
1981		2611
…		…
1986		2616
1987	if ($gen == $self->{_goto_generation}) {	2617	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2618	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2619	$self->leave_link ($map, $x, $y);
1990	}	2620	}
		2621
		2622	$done->() if $done;
1991	})->prio (1);	2623	})->prio (1);
1992	}	2624	}
1993		2625
1994	=item $player_object->enter_exit ($exit_object)	2626	=item $player_object->enter_exit ($exit_object)
1995		2627
…		…
2015	}	2647	}
2016		2648
2017	sub prepare_random_map {	2649	sub prepare_random_map {
2018	my ($exit) = @_;	2650	my ($exit) = @_;
2019		2651
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2652	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2653	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2654	# that depends on the exit object
2025		2655
2026	my $rmp = parse_random_map_params $exit->msg;	2656	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2658	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2659	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2660	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2661	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2662	$rmp->{origin_y} = $exit->y;
		2663
		2664	$exit->map->touch;
2033	}	2665	}
2034		2666
2035	$rmp->{random_seed} ||= $exit->random_seed;	2667	$rmp->{random_seed} ||= $exit->random_seed;
2036		2668
2037	my $data = cf::to_json $rmp;	2669	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2670	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2671	my $meta = "$RANDOMDIR/$md5.meta";
2040		2672
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2673	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2674	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2675	undef $fh;
2044	aio_rename "$meta~", $meta;	2676	aio_rename "$meta~", $meta;
2045		2677
		2678	my $slaying = "?random/$md5";
		2679
		2680	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2681	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2682	$exit->msg (undef);
		2683	}
2048	}	2684	}
2049	}	2685	}
2050		2686
2051	sub cf::object::player::enter_exit {	2687	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2688	my ($self, $exit) = @_;
2053		2689
2054	return unless $self->type == cf::PLAYER;	2690	return unless $self->type == cf::PLAYER;
2055		2691
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	2692	$self->enter_link;
2068		2693
2069	(async {	2694	(async {
2070	$self->deactivate_recursive; # just to be sure	2695	$Coro::current->{desc} = "enter_exit";
		2696
2071	unless (eval {	2697	unless (eval {
		2698	$self->deactivate_recursive; # just to be sure
		2699
		2700	# random map handling
		2701	{
		2702	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2703
		2704	prepare_random_map $exit
		2705	if $exit->slaying eq "/!";
		2706	}
		2707
		2708	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2709	my $x = $exit->stats->hp;
		2710	my $y = $exit->stats->sp;
		2711
2072	$self->goto ($slaying, $hp, $sp);	2712	$self->goto ($map, $x, $y);
2073		2713
		2714	# if exit is damned, update players death & WoR home-position
		2715	$self->contr->savebed ($map, $x, $y)
		2716	if $exit->flag (cf::FLAG_DAMNED);
		2717
2074	1;	2718	1
2075	}) {	2719	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	2720	$self->message ("Something went wrong deep within the deliantra server. "
2077	. "I'll try to bring you back to the map you were before. "	2721	. "I'll try to bring you back to the map you were before. "
2078	. "Please report this to the dungeon master!",	2722	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	2723	cf::NDI_UNIQUE | cf::NDI_RED);
2080		2724
2081	warn "ERROR in enter_exit: $@";	2725	warn "ERROR in enter_exit: $@";
…		…
2100		2744
2101	utf8::encode $text;	2745	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2746	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2747	}
2104		2748
		2749	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2750
		2751	Send a drawinfo or msg packet to the client, formatting the msg for the
		2752	client if neccessary. C<$type> should be a string identifying the type of
		2753	the message, with C<log> being the default. If C<$color> is negative, suppress
		2754	the message unless the client supports the msg packet.
		2755
		2756	=cut
		2757
		2758	# non-persistent channels (usually the info channel)
		2759	our %CHANNEL = (
		2760	"c/identify" => {
		2761	id => "infobox",
		2762	title => "Identify",
		2763	reply => undef,
		2764	tooltip => "Items recently identified",
		2765	},
		2766	"c/examine" => {
		2767	id => "infobox",
		2768	title => "Examine",
		2769	reply => undef,
		2770	tooltip => "Signs and other items you examined",
		2771	},
		2772	"c/book" => {
		2773	id => "infobox",
		2774	title => "Book",
		2775	reply => undef,
		2776	tooltip => "The contents of a note or book",
		2777	},
		2778	"c/lookat" => {
		2779	id => "infobox",
		2780	title => "Look",
		2781	reply => undef,
		2782	tooltip => "What you saw there",
		2783	},
		2784	"c/who" => {
		2785	id => "infobox",
		2786	title => "Players",
		2787	reply => undef,
		2788	tooltip => "Shows players who are currently online",
		2789	},
		2790	"c/body" => {
		2791	id => "infobox",
		2792	title => "Body Parts",
		2793	reply => undef,
		2794	tooltip => "Shows which body parts you posess and are available",
		2795	},
		2796	"c/skills" => {
		2797	id => "infobox",
		2798	title => "Skills",
		2799	reply => undef,
		2800	tooltip => "Shows your experience per skill and item power",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	);
		2821
		2822	sub cf::client::send_msg {
		2823	my ($self, $channel, $msg, $color, @extra) = @_;
		2824
		2825	$msg = $self->pl->expand_cfpod ($msg)
		2826	unless $color & cf::NDI_VERBATIM;
		2827
		2828	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2829
		2830	# check predefined channels, for the benefit of C
		2831	if ($CHANNEL{$channel}) {
		2832	$channel = $CHANNEL{$channel};
		2833
		2834	$self->ext_msg (channel_info => $channel)
		2835	if $self->can_msg;
		2836
		2837	$channel = $channel->{id};
		2838
		2839	} elsif (ref $channel) {
		2840	# send meta info to client, if not yet sent
		2841	unless (exists $self->{channel}{$channel->{id}}) {
		2842	$self->{channel}{$channel->{id}} = $channel;
		2843	$self->ext_msg (channel_info => $channel)
		2844	if $self->can_msg;
		2845	}
		2846
		2847	$channel = $channel->{id};
		2848	}
		2849
		2850	return unless @extra || length $msg;
		2851
		2852	if ($self->can_msg) {
		2853	# default colour, mask it out
		2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2855	if $color & cf::NDI_DEF;
		2856
		2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
		2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2860	);
		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
		2873	} else {
		2874	if ($color >= 0) {
		2875	# replace some tags by gcfclient-compatible ones
		2876	for ($msg) {
		2877	1 while
		2878	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2879	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2880	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2881	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2882	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2883	}
		2884
		2885	$color &= cf::NDI_COLOR_MASK;
		2886
		2887	utf8::encode $msg;
		2888
		2889	if (0 && $msg =~ /\[/) {
		2890	# COMMAND/INFO
		2891	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2892	} else {
		2893	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2894	$self->send_packet ("drawinfo $color $msg")
		2895	}
		2896	}
		2897	}
		2898	}
		2899
2105	=item $client->ext_event ($type, %msg)	2900	=item $client->ext_msg ($type, @msg)
2106		2901
2107	Sends an exti event to the client.	2902	Sends an ext event to the client.
2108		2903
2109	=cut	2904	=cut
2110		2905
2111	sub cf::client::ext_event($$%) {	2906	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	2907	my ($self, $type, @msg) = @_;
2113		2908
		2909	if ($self->extcmd == 2) {
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2911	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	2912	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	2913	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2914	}
		2915	}
		2916
		2917	=item $client->ext_reply ($msgid, @msg)
		2918
		2919	Sends an ext reply to the client.
		2920
		2921	=cut
		2922
		2923	sub cf::client::ext_reply($$@) {
		2924	my ($self, $id, @msg) = @_;
		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2928	} elsif ($self->extcmd == 1) {
		2929	#TODO: version 1, remove
		2930	unshift @msg, msgtype => "reply", msgid => $id;
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
2116	}	2933	}
2117		2934
2118	=item $success = $client->query ($flags, "text", \&cb)	2935	=item $success = $client->query ($flags, "text", \&cb)
2119		2936
2120	Queues a query to the client, calling the given callback with	2937	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2938	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2939	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		2940
2124	Queries can fail, so check the return code. Or don't, as queries will become	2941	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	2942	become reliable at some point in the future.
2126		2943
2127	=cut	2944	=cut
2128		2945
2129	sub cf::client::query {	2946	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	2947	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	2955	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2956	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		2957
2141	$self->send_packet ($self->{query_queue}[0][0])	2958	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	2959	if @{ $self->{query_queue} } == 1;
		2960
		2961	1
2143	}	2962	}
2144		2963
2145	cf::client->attach (	2964	cf::client->attach (
		2965	on_connect => sub {
		2966	my ($ns) = @_;
		2967
		2968	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2969	},
2146	on_reply => sub {	2970	on_reply => sub {
2147	my ($ns, $msg) = @_;	2971	my ($ns, $msg) = @_;
2148		2972
2149	# this weird shuffling is so that direct followup queries	2973	# this weird shuffling is so that direct followup queries
2150	# get handled first	2974	# get handled first
…		…
2162	} else {	2986	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2987	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	2988	}
2165	}	2989	}
2166	},	2990	},
		2991	on_exticmd => sub {
		2992	my ($ns, $buf) = @_;
		2993
		2994	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2995
		2996	if (ref $msg) {
		2997	my ($type, $reply, @payload) =
		2998	"ARRAY" eq ref $msg
		2999	? @$msg
		3000	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3001
		3002	my @reply;
		3003
		3004	if (my $cb = $EXTICMD{$type}) {
		3005	@reply = $cb->($ns, @payload);
		3006	}
		3007
		3008	$ns->ext_reply ($reply, @reply)
		3009	if $reply;
		3010
		3011	} else {
		3012	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3013	}
		3014
		3015	cf::override;
		3016	},
2167	);	3017	);
2168		3018
2169	=item $client->async (\&cb)	3019	=item $client->async (\&cb)
2170		3020
2171	Create a new coroutine, running the specified callback. The coroutine will	3021	Create a new coroutine, running the specified callback. The coroutine will
…		…
2212	our $safe = new Safe "safe";	3062	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3063	our $safe_hole = new Safe::Hole;
2214		3064
2215	$SIG{FPE} = 'IGNORE';	3065	$SIG{FPE} = 'IGNORE';
2216		3066
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3067	$safe->permit_only (Opcode::opset qw(
		3068	:base_core :base_mem :base_orig :base_math
		3069	grepstart grepwhile mapstart mapwhile
		3070	sort time
		3071	));
2218		3072
2219	# here we export the classes and methods available to script code	3073	# here we export the classes and methods available to script code
2220		3074
2221	=pod	3075	=pod
2222		3076
2223	The following functions and methods are available within a safe environment:	3077	The following functions and methods are available within a safe environment:
2224		3078
2225	cf::object contr pay_amount pay_player map	3079	cf::object
		3080	contr pay_amount pay_player map x y force_find force_add destroy
		3081	insert remove name archname title slaying race decrease split
		3082
2226	cf::object::player player	3083	cf::object::player
2227	cf::player peaceful	3084	player
2228	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2229		3091
2230	=cut	3092	=cut
2231		3093
2232	for (	3094	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp)],
2234	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful)],
2236	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2237	) {	3101	) {
2238	no strict 'refs';	3102	no strict 'refs';
…		…
2309	=back	3173	=back
2310		3174
2311	=cut	3175	=cut
2312		3176
2313	#############################################################################	3177	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484
2485	#############################################################################
2486	# the server's init and main functions	3178	# the server's init and main functions
2487		3179
2488	sub load_facedata($) {	3180	sub load_facedata($) {
2489	my ($path) = @_;	3181	my ($path) = @_;
		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2490		3188
2491	warn "loading facedata from $path\n";	3189	warn "loading facedata from $path\n";
2492		3190
2493	my $facedata;	3191	my $facedata;
2494	0 < aio_load $path, $facedata	3192	0 < aio_load $path, $facedata
…		…
2497	$facedata = Coro::Storable::thaw $facedata;	3195	$facedata = Coro::Storable::thaw $facedata;
2498		3196
2499	$facedata->{version} == 2	3197	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
2502	{	3207	{
2503	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
2504		3209
2505	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3213	cf::face::set_visibility $idx, $info->{visibility};
		3214	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	3217
		3218	cf::cede_to_tick;
2511	}	3219	}
2512		3220
2513	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2515	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2516	or next;	3225	or next;
		3226
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3230	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3232	}
2522	Coro::cede;	3233
		3234	cf::cede_to_tick;
2523	}	3235	}
2524	}	3236	}
2525		3237
2526	{	3238	{
2527	my $anims = $facedata->{animinfo};	3239	my $anims = $facedata->{animinfo};
2528		3240
2529	while (my ($anim, $info) = each %$anims) {	3241	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3243	cf::cede_to_tick;
2532	}	3244	}
2533		3245
2534	cf::anim::invalidate_all; # d'oh	3246	cf::anim::invalidate_all; # d'oh
2535	}	3247	}
2536		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
2537	1	3284	1
2538	}	3285	}
2539		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
2540	sub reload_regions {	3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
2541	load_resource_file "$MAPDIR/regions"	3330	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3331	or die "unable to load regions file\n";
		3332
		3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
2543	}	3337	}
2544		3338
2545	sub reload_facedata {	3339	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3340	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3341	or die "unable to load facedata\n";
…		…
2558	}	3352	}
2559		3353
2560	sub reload_resources {	3354	sub reload_resources {
2561	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
2562		3356
2563	reload_regions;
2564	reload_facedata;	3357	reload_facedata;
2565	reload_archetypes;	3358	reload_archetypes;
		3359	reload_regions;
2566	reload_treasures;	3360	reload_treasures;
2567		3361
2568	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
2569	}	3363	}
2570		3364
2571	sub init {	3365	sub reload_config {
2572	reload_resources;
2573	}
2574
2575	sub cfg_load {
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2577	or return;	3367	or return;
2578		3368
2579	local $/;	3369	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2581		3371
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2583		3373
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$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};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2591	};	3381	};
2592	warn $@ if $@;	3382	warn $@ if $@;
2593	}	3383	}
2594	}	3384	}
2595		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2596	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417	cf::init_block;
		3418
		3419	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3420
2597	# we must not ever block the main coroutine	3421	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3422	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3423	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3424	(async {
2601	Event::one_event;	3425	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3426	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3427	})->prio (Coro::PRIO_MAX);
2603	};	3428	};
2604		3429
2605	cfg_load;	3430	evthread_start IO::AIO::poll_fileno;
		3431
		3432	cf::sync_job {
		3433	reload_resources;
		3434	reload_config;
2606	db_init;	3435	db_init;
		3436
		3437	cf::load_settings;
		3438	cf::load_materials;
		3439	cf::init_uuid;
		3440	cf::init_signals;
		3441	cf::init_commands;
		3442	cf::init_skills;
		3443
		3444	cf::init_beforeplay;
		3445
		3446	atomic;
		3447
2607	load_extensions;	3448	load_extensions;
2608		3449
2609	$TICK_WATCHER->start;	3450	utime time, time, $RUNTIMEFILE;
		3451
		3452	# no (long-running) fork's whatsoever before this point(!)
		3453	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3454
		3455	(pop @POST_INIT)->(0) while @POST_INIT;
		3456	};
		3457
2610	Event::loop;	3458	EV::loop;
2611	}	3459	}
2612		3460
2613	#############################################################################	3461	#############################################################################
2614	# initialisation and cleanup	3462	# initialisation and cleanup
2615		3463
2616	# install some emergency cleanup handlers	3464	# install some emergency cleanup handlers
2617	BEGIN {	3465	BEGIN {
		3466	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3467	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3468	$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";	3469	cf::cleanup "SIG$signal";
2626	},
2627	);	3470	};
		3471	}
		3472	}
		3473
		3474	sub write_runtime_sync {
		3475	# first touch the runtime file to show we are still running:
		3476	# the fsync below can take a very very long time.
		3477
		3478	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3479
		3480	my $guard = cf::lock_acquire "write_runtime";
		3481
		3482	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = $cf::RUNTIME + 90 + 10;
		3486	# 10 is the runtime save interval, for a monotonic clock
		3487	# 60 allows for the watchdog to kill the server.
		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	# touch it again to show we are up-to-date
		3497	aio_utime $fh, undef, undef;
		3498
		3499	close $fh
		3500	or return;
		3501
		3502	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3503	and return;
		3504
		3505	warn "runtime file written.\n";
		3506
2628	}	3507	1
		3508	}
		3509
		3510	our $uuid_lock;
		3511	our $uuid_skip;
		3512
		3513	sub write_uuid_sync($) {
		3514	$uuid_skip ||= $_[0];
		3515
		3516	return if $uuid_lock;
		3517	local $uuid_lock = 1;
		3518
		3519	my $uuid = "$LOCALDIR/uuid";
		3520
		3521	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3522	or return;
		3523
		3524	my $value = uuid_seq uuid_cur;
		3525
		3526	unless ($value) {
		3527	warn "cowardly refusing to write zero uuid value!\n";
		3528	return;
		3529	}
		3530
		3531	my $value = uuid_str $value + $uuid_skip;
		3532	$uuid_skip = 0;
		3533
		3534	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3535	and return;
		3536
		3537	# always fsync - this file is important
		3538	aio_fsync $fh
		3539	and return;
		3540
		3541	close $fh
		3542	or return;
		3543
		3544	aio_rename "$uuid~", $uuid
		3545	and return;
		3546
		3547	warn "uuid file written ($value).\n";
		3548
		3549	1
		3550
		3551	}
		3552
		3553	sub write_uuid($$) {
		3554	my ($skip, $sync) = @_;
		3555
		3556	$sync ? write_uuid_sync $skip
		3557	: async { write_uuid_sync $skip };
2629	}	3558	}
2630		3559
2631	sub emergency_save() {	3560	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3561	my $freeze_guard = cf::freeze_mainloop;
2633		3562
…		…
2639	# and maps saved/destroyed asynchronously.	3568	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3569	warn "begin emergency player save\n";
2641	for my $login (keys %cf::PLAYER) {	3570	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3571	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3572	$pl->valid or next;
		3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3574	$pl->save;
2645	}	3575	}
2646	warn "end emergency player save\n";	3576	warn "end emergency player save\n";
2647		3577
2648	warn "begin emergency map save\n";	3578	warn "begin emergency map save\n";
…		…
2654	warn "end emergency map save\n";	3584	warn "end emergency map save\n";
2655		3585
2656	warn "begin emergency database checkpoint\n";	3586	warn "begin emergency database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3587	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	3588	warn "end emergency database checkpoint\n";
		3589
		3590	warn "begin write uuid\n";
		3591	write_uuid_sync 1;
		3592	warn "end write uuid\n";
2659	};	3593	};
2660		3594
2661	warn "leave emergency perl save\n";	3595	warn "leave emergency perl save\n";
2662	}	3596	}
2663		3597
2664	sub post_cleanup {	3598	sub post_cleanup {
2665	my ($make_core) = @_;	3599	my ($make_core) = @_;
2666		3600
2667	warn Carp::longmess "post_cleanup backtrace"	3601	warn Carp::longmess "post_cleanup backtrace"
2668	if $make_core;	3602	if $make_core;
		3603
		3604	my $fh = pidfile;
		3605	unlink $PIDFILE if <$fh> == $$;
		3606	}
		3607
		3608	# a safer delete_package, copied from Symbol
		3609	sub clear_package($) {
		3610	my $pkg = shift;
		3611
		3612	# expand to full symbol table name if needed
		3613	unless ($pkg =~ /^main::.*::$/) {
		3614	$pkg = "main$pkg" if $pkg =~ /^::/;
		3615	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3616	$pkg .= '::' unless $pkg =~ /::$/;
		3617	}
		3618
		3619	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3620	my $stem_symtab = *{$stem}{HASH};
		3621
		3622	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3623	or return;
		3624
		3625	# clear all symbols
		3626	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3627	for my $name (keys %$leaf_symtab) {
		3628	_gv_clear *{"$pkg$name"};
		3629	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3630	}
		3631	warn "cleared package $pkg\n";#d#
2669	}	3632	}
2670		3633
2671	sub do_reload_perl() {	3634	sub do_reload_perl() {
2672	# can/must only be called in main	3635	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	3636	if ($Coro::current != $Coro::main) {
2674	warn "can only reload from main coroutine";	3637	warn "can only reload from main coroutine";
2675	return;	3638	return;
2676	}	3639	}
2677		3640
		3641	return if $RELOAD++;
		3642
		3643	while ($RELOAD) {
2678	warn "reloading...";	3644	warn "reloading...";
2679		3645
2680	warn "entering sync_job";	3646	warn "entering sync_job";
2681		3647
2682	cf::sync_job {	3648	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark	3649	cf::write_runtime_sync; # external watchdog should not bark
2684	cf::emergency_save;	3650	cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark	3651	cf::write_runtime_sync; # external watchdog should not bark
2686		3652
2687	warn "syncing database to disk";	3653	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;	3654	BDB::db_env_txn_checkpoint $DB_ENV;
2689		3655
2690	# if anything goes wrong in here, we should simply crash as we already saved	3656	# if anything goes wrong in here, we should simply crash as we already saved
2691		3657
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";	3658	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;	3659	while (IO::AIO::nreqs || BDB::nreqs) {
2703	warn "iterate...";	3660	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	}	3661	}
2728		3662
2729	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
2730	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
2731	}	3665	%EXT_CORO = ();
2732		3666
2733	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
2734	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
2737	warn "... unloading $k";	3676	warn "... unloading $pkg";
2738	delete $INC{$k};
2739		3677
2740	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;
2742
2743	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
2744	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
2745	}	3687	}
2746		3688
2747	Symbol::delete_package $k;	3689	warn "unloading all perl modules loaded from $LIBDIR";
		3690	while (my ($k, $v) = each %INC) {
		3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3692
		3693	warn "... unloading $k";
		3694	delete $INC{$k};
		3695
		3696	$k =~ s/\.pm$//;
		3697	$k =~ s/\//::/g;
		3698
		3699	if (my $cb = $k->can ("unload_module")) {
		3700	$cb->();
		3701	}
		3702
		3703	clear_package $k;
2748	}	3704	}
2749		3705
2750	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753		3709
2754	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	3712	delete $INC{"cf/pod.pm"};
2757		3713
2758	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
2759	# and global variables created in xs	3715	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
2761		3717
2762	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
2763		3719
2764	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
2765	require cf;	3721	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2767		3723
2768	warn "loading config and database again";	3724	warn "loading config and database again";
2769	cf::cfg_load;	3725	cf::reload_config;
2770		3726
2771	warn "loading extensions";	3727	warn "loading extensions";
2772	cf::load_extensions;	3728	cf::load_extensions;
2773		3729
2774	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	3731	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
2777	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	3734	warn "reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	3735	reattach $_ for values %PLAYER;
2780		3736
		3737	warn "running post_load";
		3738	(pop @POST_INIT)->(1) while @POST_INIT;
		3739
2781	warn "leaving sync_job";	3740	warn "leaving sync_job";
2782		3741
2783	1	3742	1
2784	} or do {	3743	} or do {
2785	warn $@;	3744	warn $@;
2786	warn "error while reloading, exiting.";	3745	cf::cleanup "error while reloading, exiting.";
2787	exit 1;
2788	};	3746	};
2789		3747
2790	warn "reloaded";	3748	warn "reloaded";
		3749	--$RELOAD;
		3750	}
2791	};	3751	};
2792		3752
2793	our $RELOAD_WATCHER; # used only during reload	3753	our $RELOAD_WATCHER; # used only during reload
2794		3754
2795	sub reload_perl() {	3755	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	3756	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	3757	# coro crashes during coro_state_free->destroy here.
2798		3758
2799	$RELOAD_WATCHER ||= Event->timer (	3759	$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;	3760	do_reload_perl;
2805	undef $RELOAD_WATCHER;	3761	undef $RELOAD_WATCHER;
2806	},
2807	);	3762	};
2808	}	3763	}
2809		3764
2810	register_command "reload" => sub {	3765	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2812		3767
2813	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	3772	reload_perl;
		3773	};
2816	}	3774	}
2817	};	3775	};
2818		3776
2819	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2820		3778
…		…
2822		3780
2823	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
2825		3783
2826	sub wait_for_tick {	3784	sub wait_for_tick {
2827	return unless $TICK_WATCHER->is_active;
2828	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2829		3786
2830	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
2831	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;	3789	$signal->wait;
2833	}	3790	}
2834		3791
2835	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
2838		3794
2839	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	3797	$signal->wait;
2842	}	3798	}
2843		3799
2844	my $min = 1e6;#d#	3800	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) {	3801	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2856	return;	3804	return;
2857	}	3805	}
2858		3806
2859	$NOW = $tick_start = Event::time;
2860
2861	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2862		3808
2863	0 && sync_job {#d#	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2864	for(1..10) {	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2865	my $t = Event::time;	3811	Coro::async_pool {
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3812	$Coro::current->{desc} = "runtime saver";
2867	or die;	3813	write_runtime_sync
2868		3814	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	};	3815	};
		3816	}
2885		3817
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) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	3819	$sig->send;
2902	}	3820	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
2904	$sig->send;	3822	$sig->send;
2905	}	3823	}
2906		3824
2907	$NOW = Event::time;	3825	$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;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		3827
2918	_post_tick;	3828	if (0) {
2919		3829	if ($NEXT_TICK) {
2920		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
2921	},	3834	}
2922	);	3835	}
2923		3836
2924	{	3837	{
2925	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	3839
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;	3840	BDB::min_parallel 8;
2935		3841	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	3842	$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		3843
2951	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		3851
2954	cf::sync_job {	3852	cf::sync_job {
2955	eval {	3853	eval {
2956	BDB::db_env_open	3854	BDB::db_env_open
2957	$DB_ENV,	3855	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	3859	0666;
2962		3860
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3861	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	};	3862	};
2968		3863
2969	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	3865	};
2971	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
2972	}	3877	}
2973		3878
2974	{	3879	{
		3880	# configure IO::AIO
		3881
2975	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	3884	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	}	3885	}
2988		3886
2989	my $_log_backtrace;	3887	my $_log_backtrace;
2990		3888
2991	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
2994	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
2995		3893
2996	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
2998	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
2999	async {	3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
3000	my @bt = fork_call {	3901	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	3905	or die "addr2line: $!";
…		…
3012	}	3913	}
3013		3914
3014	@funcs	3915	@funcs
3015	};	3916	};
3016		3917
3017	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	3921	--$_log_backtrace;
3020	};	3922	};
3021	} else {	3923	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";

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