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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.276 by root, Sun Jun 10 04:05:47 2007 UTC vs.
Revision 1.454 by root, Thu Sep 25 12:14:32 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";	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	}
…		…
847	}	1194	}
848	} else {	1195	} else {
849	aio_unlink $filename;	1196	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
851	}	1198	}
852	}	1199	};
853	}	1200	}
854		1201
855	sub object_freezer_as_string {	1202	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1203	my ($rdata, $objs) = @_;
857		1204
…		…
869	or return;	1216	or return;
870		1217
871	unless (aio_stat "$filename.pst") {	1218	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1219	(aio_load "$filename.pst", $av) >= 0
873	or return;	1220	or return;
		1221
874	$av = eval { (Storable::thaw $av)->{objs} };	1222	my $st = eval { Coro::Storable::thaw $av };
		1223	$av = $st->{objs};
875	}	1224	}
876		1225
		1226	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1227	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1228	$decname, length $data, scalar @{$av || []};
		1229
879	return ($data, $av);	1230	($data, $av)
880	}	1231	}
		1232
		1233	=head2 COMMAND CALLBACKS
		1234
		1235	=over 4
		1236
		1237	=cut
881		1238
882	#############################################################################	1239	#############################################################################
883	# command handling &c	1240	# command handling &c
884		1241
885	=item cf::register_command $name => \&callback($ob,$args);	1242	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1255	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1256	}
900		1257
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1258	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1259
903	Register a callbackf ro execution when the client sends an extcmd packet.	1260	Register a callback for execution when the client sends an (synchronous)
		1261	extcmd packet. Ext commands will be processed in the order they are
		1262	received by the server, like other user commands. The first argument is
		1263	the logged-in player. Ext commands can only be processed after a player
		1264	has logged in successfully.
904		1265
905	If the callback returns something, it is sent back as if reply was being	1266	If the callback returns something, it is sent back as if reply was being
906	called.	1267	called.
907		1268
		1269	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1270
		1271	Register a callback for execution when the client sends an (asynchronous)
		1272	exticmd packet. Exti commands are processed by the server as soon as they
		1273	are received, i.e. out of order w.r.t. other commands. The first argument
		1274	is a client socket. Exti commands can be received anytime, even before
		1275	log-in.
		1276
		1277	If the callback returns something, it is sent back as if reply was being
		1278	called.
		1279
908	=cut	1280	=cut
909		1281
910	sub register_extcmd {	1282	sub register_extcmd {
911	my ($name, $cb) = @_;	1283	my ($name, $cb) = @_;
912		1284
913	$EXTCMD{$name} = $cb;	1285	$EXTCMD{$name} = $cb;
		1286	}
		1287
		1288	sub register_exticmd {
		1289	my ($name, $cb) = @_;
		1290
		1291	$EXTICMD{$name} = $cb;
914	}	1292	}
915		1293
916	cf::player->attach (	1294	cf::player->attach (
917	on_command => sub {	1295	on_command => sub {
918	my ($pl, $name, $params) = @_;	1296	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1305	cf::override;
928	},	1306	},
929	on_extcmd => sub {	1307	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1308	my ($pl, $buf) = @_;
931		1309
932	my $msg = eval { from_json $buf };	1310	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1311
934	if (ref $msg) {	1312	if (ref $msg) {
		1313	my ($type, $reply, @payload) =
		1314	"ARRAY" eq ref $msg
		1315	? @$msg
		1316	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1317
		1318	my @reply;
		1319
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1320	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1321	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1322	}
		1323
		1324	$pl->ext_reply ($reply, @reply)
		1325	if $reply;
		1326
940	} else {	1327	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1328	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1329	}
943		1330
944	cf::override;	1331	cf::override;
945	},	1332	},
946	);	1333	);
947		1334
948	sub load_extension {
949	my ($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 {	1335	sub load_extensions {
		1336	cf::sync_job {
		1337	my %todo;
		1338
983	for my $ext (<$LIBDIR/*.ext>) {	1339	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1340	next unless -r $path;
985	eval {	1341
986	load_extension $ext;	1342	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1343	my $base = $1;
		1344	my $pkg = $1;
		1345	$pkg =~ s/[^[:word:]]/_/g;
		1346	$pkg = "ext::$pkg";
		1347
		1348	open my $fh, "<:utf8", $path
		1349	or die "$path: $!";
		1350
		1351	my $source = do { local $/; <$fh> };
		1352
		1353	my %ext = (
		1354	path => $path,
		1355	base => $base,
		1356	pkg => $pkg,
		1357	);
		1358
		1359	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1360	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1361
		1362	$ext{source} =
		1363	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1364	. "#line 1 \"$path\"\n{\n"
		1365	. $source
		1366	. "\n};\n1";
		1367
		1368	$todo{$base} = \%ext;
		1369	}
		1370
		1371	my %done;
		1372	while (%todo) {
		1373	my $progress;
		1374
		1375	while (my ($k, $v) = each %todo) {
		1376	for (split /,\s*/, $v->{meta}{depends}) {
		1377	goto skip
		1378	unless exists $done{$_};
		1379	}
		1380
		1381	warn "... loading '$k' into '$v->{pkg}'\n";
		1382
		1383	unless (eval $v->{source}) {
		1384	my $msg = $@ ? "$v->{path}: $@\n"
		1385	: "$v->{base}: extension inactive.\n";
		1386
		1387	if (exists $v->{meta}{mandatory}) {
		1388	warn $msg;
		1389	cf::cleanup "mandatory extension failed to load, exiting.";
		1390	}
		1391
		1392	warn $msg;
		1393	}
		1394
		1395	$done{$k} = delete $todo{$k};
		1396	push @EXTS, $v->{pkg};
		1397	$progress = 1;
987	1	1398	}
988	} or warn "$ext not loaded: $@";	1399
		1400	skip:
		1401	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1402	unless $progress;
		1403	}
989	}	1404	};
990	}	1405	}
991		1406
992	#############################################################################	1407	#############################################################################
993		1408
		1409	=back
		1410
994	=head2 CORE EXTENSIONS	1411	=head2 CORE EXTENSIONS
995		1412
996	Functions and methods that extend core crossfire objects.	1413	Functions and methods that extend core deliantra objects.
997		1414
998	=cut	1415	=cut
999		1416
1000	package cf::player;	1417	package cf::player;
1001		1418
1002	use Coro::AIO;	1419	use Coro::AIO;
1003		1420
1004	=head3 cf::player	1421	=head3 cf::player
1005		1422
1006	=over 4	1423	=over 4
		1424
		1425	=item cf::player::num_playing
		1426
		1427	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1428
		1429	=cut
		1430
		1431	sub num_playing {
		1432	scalar grep
		1433	$_->ob->map
		1434	&& !$_->hidden
		1435	&& !$_->ob->flag (cf::FLAG_WIZ),
		1436	cf::player::list
		1437	}
1007		1438
1008	=item cf::player::find $login	1439	=item cf::player::find $login
1009		1440
1010	Returns the given player object, loading it if necessary (might block).	1441	Returns the given player object, loading it if necessary (might block).
1011		1442
…		…
1030		1461
1031	sub exists($) {	1462	sub exists($) {
1032	my ($login) = @_;	1463	my ($login) = @_;
1033		1464
1034	$cf::PLAYER{$login}	1465	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1466	or !aio_stat path $login
1036	}	1467	}
1037		1468
1038	sub find($) {	1469	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1470	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1471	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1478	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1479	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1480	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1481	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1482
1052	my $pl = load_pl path $login	1483	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1484	or return;
		1485
		1486	my $pl = cf::player::load_pl $f
		1487	or return;
		1488
		1489	local $cf::PLAYER_LOADING{$login} = $pl;
		1490	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1491	$cf::PLAYER{$login} = $pl
1055	}	1492	}
1056	}	1493	}
1057	}	1494	}
1058		1495
…		…
1067	return if $pl->{deny_save};	1504	return if $pl->{deny_save};
1068		1505
1069	aio_mkdir playerdir $pl, 0770;	1506	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1507	$pl->{last_save} = $cf::RUNTIME;
1071		1508
		1509	cf::get_slot 0.01;
		1510
1072	$pl->save_pl ($path);	1511	$pl->save_pl ($path);
1073	Coro::cede;	1512	cf::cede_to_tick;
1074	}	1513	}
1075		1514
1076	sub new($) {	1515	sub new($) {
1077	my ($login) = @_;	1516	my ($login) = @_;
1078		1517
…		…
1084	$cf::PLAYER{$login} = $self;	1523	$cf::PLAYER{$login} = $self;
1085		1524
1086	$self	1525	$self
1087	}	1526	}
1088		1527
		1528	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1529
		1530	=cut
		1531
		1532	sub send_msg {
		1533	my $ns = shift->ns
		1534	or return;
		1535	$ns->send_msg (@_);
		1536	}
		1537
1089	=item $pl->quit_character	1538	=item $pl->quit_character
1090		1539
1091	Nukes the player without looking back. If logged in, the connection will	1540	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1541	be destroyed. May block for a long time.
1093		1542
…		…
1097	my ($pl) = @_;	1546	my ($pl) = @_;
1098		1547
1099	my $name = $pl->ob->name;	1548	my $name = $pl->ob->name;
1100		1549
1101	$pl->{deny_save} = 1;	1550	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1551	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1552
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1553	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1554	$pl->deactivate;
		1555	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1556	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1557	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1558	$pl->ns->destroy if $pl->ns;
1108		1559
1109	my $path = playerdir $pl;	1560	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1561	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1597	or return [];
1147		1598
1148	my @logins;	1599	my @logins;
1149		1600
1150	for my $login (@$dirs) {	1601	for my $login (@$dirs) {
		1602	my $path = path $login;
		1603
		1604	# a .pst is a dead give-away for a valid player
		1605	# if no pst file found, open and chekc for blocked users
		1606	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1607	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1608	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1609	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1610	}
1154		1611
1155	utf8::decode $login;	1612	utf8::decode $login;
1156	push @logins, $login;	1613	push @logins, $login;
1157	}	1614	}
1158		1615
…		…
1185	}	1642	}
1186		1643
1187	\@paths	1644	\@paths
1188	}	1645	}
1189		1646
		1647	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1648
		1649	Expand deliantra pod fragments into protocol xml.
		1650
1190	=item $player->ext_reply ($msgid, %msg)	1651	=item $player->ext_reply ($msgid, @msg)
1191		1652
1192	Sends an ext reply to the player.	1653	Sends an ext reply to the player.
1193		1654
1194	=cut	1655	=cut
1195		1656
1196	sub ext_reply($$%) {	1657	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1658	my ($self, $id, @msg) = @_;
1198		1659
1199	$msg{msgid} = $id;	1660	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1661	}
1203		1662
1204	=item $player->ext_event ($type, %msg)	1663	=item $player->ext_msg ($type, @msg)
1205		1664
1206	Sends an ext event to the client.	1665	Sends an ext event to the client.
1207		1666
1208	=cut	1667	=cut
1209		1668
1210	sub ext_event($$%) {	1669	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1670	my ($self, $type, @msg) = @_;
1212		1671
1213	$self->ns->ext_event ($type, %msg);	1672	$self->ns->ext_msg ($type, @msg);
1214	}	1673	}
1215		1674
1216	=head3 cf::region	1675	=head3 cf::region
1217		1676
1218	=over 4	1677	=over 4
…		…
1221		1680
1222	package cf::region;	1681	package cf::region;
1223		1682
1224	=item cf::region::find_by_path $path	1683	=item cf::region::find_by_path $path
1225		1684
1226	Tries to decuce the probable region for a map knowing only its path.	1685	Tries to decuce the likely region for a map knowing only its path.
1227		1686
1228	=cut	1687	=cut
1229		1688
1230	sub find_by_path($) {	1689	sub find_by_path($) {
1231	my ($path) = @_;	1690	my ($path) = @_;
1232		1691
1233	my ($match, $specificity);	1692	my ($match, $specificity);
1234		1693
1235	for my $region (list) {	1694	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1695	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1696	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1697	if $region->specificity > $specificity;
1239	}	1698	}
1240	}	1699	}
1241		1700
…		…
1262	our $MAX_RESET = 3600;	1721	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1722	our $DEFAULT_RESET = 3000;
1264		1723
1265	sub generate_random_map {	1724	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1725	my ($self, $rmp) = @_;
		1726
		1727	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1728
1267	# mit "rum" bekleckern, nicht	1729	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1730	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1361	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1362	return $self;	1824	return $self;
1363	}	1825	}
1364	}	1826	}
1365		1827
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1829	()
1368	}	1830	}
1369		1831
1370	sub init {	1832	sub init {
1371	my ($self) = @_;	1833	my ($self) = @_;
…		…
1393		1855
1394	# the temporary/swap location	1856	# the temporary/swap location
1395	sub save_path {	1857	sub save_path {
1396	my ($self) = @_;	1858	my ($self) = @_;
1397		1859
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1861	"$TMPDIR/$path.map"
1400	}	1862	}
1401		1863
1402	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1403	sub uniq_path {	1865	sub uniq_path {
1404	my ($self) = @_;	1866	my ($self) = @_;
1405		1867
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1869	"$UNIQUEDIR/$path"
1408	}	1870	}
1409		1871
1410	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1411	# all maps in C++...	1873	# all maps in C++...
…		…
1434		1896
1435	sub load_header_from($) {	1897	sub load_header_from($) {
1436	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1437		1899
1438	utf8::encode $path;	1900	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1444		1909
1445	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1446		1911
1447	1	1912	1
1448	}	1913	}
…		…
1502	sub find {	1967	sub find {
1503	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1504		1969
1505	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1506		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1508		1974
1509	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
		1976	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1510	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard2 = cf::lock_acquire "map_find:$path";
		1978
1511	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1512	or return;	1980	or return;
1513		1981
1514	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1515		1983
…		…
1517	or return;	1985	or return;
1518		1986
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard2;
		1991	undef $guard1;
1522	$map->reset;	1992	$map->reset;
1523	undef $guard;
1524	return find $path;	1993	return find $path;
1525	}	1994	}
1526		1995
1527	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1528	}	1997	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1538		2007
1539	my $path = $self->{path};	2008	my $path = $self->{path};
1540		2009
1541	{	2010	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1543		2012
		2013	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2015
1546	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1547		2017
1548	$self->alloc;	2018	$self->alloc;
1549		2019
1550	$self->pre_load;	2020	$self->pre_load;
1551	Coro::cede;	2021	cf::cede_to_tick;
1552		2022
		2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2025	$self->_load_objects ($f)
1554	or return;	2026	or return;
1555		2027
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->post_load_original
1557	if delete $self->{load_original};	2029	if delete $self->{load_original};
1558		2030
1559	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2032	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2035	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1564	}	2039	}
1565	}	2040	}
1566		2041
1567	Coro::cede;	2042	$f->resolve_delayed_derefs;
		2043
		2044	cf::cede_to_tick;
1568	# now do the right thing for maps	2045	# now do the right thing for maps
1569	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2048	unless $self->difficulty;
1572	Coro::cede;	2049	cf::cede_to_tick;
1573		2050
1574	unless ($self->{deny_activate}) {	2051	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2052	$self->decay_objects;
1576	$self->fix_auto_apply;	2053	$self->fix_auto_apply;
1577	$self->update_buttons;	2054	$self->update_buttons;
1578	Coro::cede;	2055	cf::cede_to_tick;
1579	$self->set_darkness_map;	2056	$self->set_darkness_map;
1580	Coro::cede;	2057	cf::cede_to_tick;
1581	$self->activate;	2058	$self->activate;
1582	}	2059	}
1583		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
		2063
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2064	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2065	}
1586		2066
1587	$self->post_load;	2067	$self->post_load;
1588	}	2068	}
1589		2069
…		…
1598		2078
1599	$self	2079	$self
1600	}	2080	}
1601		2081
1602	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2083	sub load_neighbours {
1604	my ($map) = @_;	2084	my ($map) = @_;
1605		2085
1606	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1607		2087
1608	for (0 .. 3) {	2088	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1610	or next;	2090	or next;
1611	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1612	or next;	2092	or next;
1613	$neigh->load;	2093	$neigh->load;
1614		2094
		2095	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2098	}
1618		2099
1619	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1621	or next;	2103	or next;
1622	$neigh->load;	2104	$neigh->load;
1623	}	2105	}
1624	}	2106	}
1625		2107
…		…
1630	}	2112	}
1631		2113
1632	sub do_load_sync {	2114	sub do_load_sync {
1633	my ($map) = @_;	2115	my ($map) = @_;
1634		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1635	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1636	}	2121	}
1637		2122
1638	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1640		2125
1641	sub find_async {	2126	sub find_async {
1642	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1643		2128
1644	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1645		2130
1646	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2133	}
1649		2134
1650	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1651	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1652	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2142	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2143	$map->load if $v;
		2144	}
1657		2145
1658	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1659	}	2147	}
1660	}	2148	}
1661	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1662	};	2150	};
1663	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2154	}
1667		2155
1668	sub save {	2156	sub save {
1669	my ($self) = @_;	2157	my ($self) = @_;
1670		2158
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2160
1673	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1674		2162
1675	return unless $self->dirty;	2163	return unless $self->dirty;
1676		2164
…		…
1682	return if $self->{deny_save};	2170	return if $self->{deny_save};
1683		2171
1684	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1685		2173
1686	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1688	};	2177	};
		2178
		2179	cf::get_slot 0.02;
1689		2180
1690	if ($uniq) {	2181	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2183	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2184	} else {
…		…
1699	my ($self) = @_;	2190	my ($self) = @_;
1700		2191
1701	# save first because save cedes	2192	# save first because save cedes
1702	$self->save;	2193	$self->save;
1703		2194
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2195	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2196
1706	return if $self->players;	2197	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2198	return if $self->in_memory != cf::MAP_ACTIVE;
1708	return if $self->{deny_save};	2199	return if $self->{deny_save};
1709		2200
		2201	$self->in_memory (cf::MAP_SWAPPED);
		2202
		2203	$self->deactivate;
		2204	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2205	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2206	}
1713		2207
1714	sub reset_at {	2208	sub reset_at {
1715	my ($self) = @_;	2209	my ($self) = @_;
1716		2210
…		…
1748	if $uniq;	2242	if $uniq;
1749	}	2243	}
1750		2244
1751	delete $cf::MAP{$self->path};	2245	delete $cf::MAP{$self->path};
1752		2246
		2247	$self->deactivate;
		2248	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2249	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2250
1757	$self->unlink_save;	2251	$self->unlink_save;
1758	$self->destroy;	2252	$self->destroy;
1759	}	2253	}
1760		2254
1761	my $nuke_counter = "aaaa";	2255	my $nuke_counter = "aaaa";
1762		2256
1763	sub nuke {	2257	sub nuke {
1764	my ($self) = @_;	2258	my ($self) = @_;
1765		2259
		2260	{
		2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2262
1766	delete $cf::MAP{$self->path};	2263	delete $cf::MAP{$self->path};
1767		2264
1768	$self->unlink_save;	2265	$self->unlink_save;
1769		2266
1770	bless $self, "cf::map";	2267	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2268	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2269	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2270	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2271	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2272
1776	$cf::MAP{$self->path} = $self;	2273	$cf::MAP{$self->path} = $self;
		2274	}
1777		2275
1778	$self->reset; # polite request, might not happen	2276	$self->reset; # polite request, might not happen
1779	}	2277	}
1780		2278
1781	=item $maps = cf::map::tmp_maps	2279	=item $maps = cf::map::tmp_maps
1782		2280
1783	Returns an arrayref with all map paths of currently instantiated and saved	2281	Returns an arrayref with all map paths of currently instantiated and saved
1784	maps.	2282	maps. May block.
1785		2283
1786	=cut	2284	=cut
1787		2285
1788	sub tmp_maps() {	2286	sub tmp_maps() {
1789	[	2287	[
1790	map {	2288	map {
1791	utf8::decode $_;	2289	utf8::decode $_;
1792	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2290	/\.map$/
1793	? normalise $_	2291	? normalise $_
1794	: ()	2292	: ()
1795	} @{ aio_readdir $TMPDIR or [] }	2293	} @{ aio_readdir $TMPDIR or [] }
1796	]	2294	]
1797	}	2295	}
1798		2296
		2297	=item $maps = cf::map::random_maps
		2298
		2299	Returns an arrayref with all map paths of currently instantiated and saved
		2300	random maps. May block.
		2301
		2302	=cut
		2303
		2304	sub random_maps() {
		2305	[
		2306	map {
		2307	utf8::decode $_;
		2308	/\.map$/
		2309	? normalise "?random/$_"
		2310	: ()
		2311	} @{ aio_readdir $RANDOMDIR or [] }
		2312	]
		2313	}
		2314
1799	=item cf::map::unique_maps	2315	=item cf::map::unique_maps
1800		2316
1801	Returns an arrayref of paths of all shared maps that have	2317	Returns an arrayref of paths of all shared maps that have
1802	instantiated unique items. May block.	2318	instantiated unique items. May block.
1803		2319
…		…
1805		2321
1806	sub unique_maps() {	2322	sub unique_maps() {
1807	[	2323	[
1808	map {	2324	map {
1809	utf8::decode $_;	2325	utf8::decode $_;
1810	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2326	s/\.map$//; # TODO future compatibility hack
		2327	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2328	? ()
1811	? normalise $_	2329	: normalise $_
1812	: ()
1813	} @{ aio_readdir $UNIQUEDIR or [] }	2330	} @{ aio_readdir $UNIQUEDIR or [] }
1814	]	2331	]
1815	}	2332	}
1816		2333
1817	package cf;
1818
1819	=back	2334	=back
1820		2335
1821	=head3 cf::object	2336	=head3 cf::object
1822		2337
1823	=cut	2338	=cut
…		…
1826		2341
1827	=over 4	2342	=over 4
1828		2343
1829	=item $ob->inv_recursive	2344	=item $ob->inv_recursive
1830		2345
1831	Returns the inventory of the object _and_ their inventories, recursively.	2346	Returns the inventory of the object I<and> their inventories, recursively,
		2347	but I<not> the object itself.
1832		2348
1833	=cut	2349	=cut
1834		2350
1835	sub inv_recursive_;	2351	sub inv_recursive_;
1836	sub inv_recursive_ {	2352	sub inv_recursive_ {
…		…
1839		2355
1840	sub inv_recursive {	2356	sub inv_recursive {
1841	inv_recursive_ inv $_[0]	2357	inv_recursive_ inv $_[0]
1842	}	2358	}
1843		2359
		2360	=item $ref = $ob->ref
		2361
		2362	Creates and returns a persistent reference to an object that can be stored as a string.
		2363
		2364	=item $ob = cf::object::deref ($refstring)
		2365
		2366	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2367	even if the object actually exists. May block.
		2368
		2369	=cut
		2370
		2371	sub deref {
		2372	my ($ref) = @_;
		2373
		2374	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2375	my ($uuid, $name) = ($1, $2);
		2376	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2377	or return;
		2378	$pl->ob->uuid eq $uuid
		2379	or return;
		2380
		2381	$pl->ob
		2382	} else {
		2383	warn "$ref: cannot resolve object reference\n";
		2384	undef
		2385	}
		2386	}
		2387
1844	package cf;	2388	package cf;
1845		2389
1846	=back	2390	=back
1847		2391
1848	=head3 cf::object::player	2392	=head3 cf::object::player
…		…
1854	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2398	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1855	can be C<undef>. Does the right thing when the player is currently in a	2399	can be C<undef>. Does the right thing when the player is currently in a
1856	dialogue with the given NPC character.	2400	dialogue with the given NPC character.
1857		2401
1858	=cut	2402	=cut
		2403
		2404	our $SAY_CHANNEL = {
		2405	id => "say",
		2406	title => "Map",
		2407	reply => "say ",
		2408	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2409	};
		2410
		2411	our $CHAT_CHANNEL = {
		2412	id => "chat",
		2413	title => "Chat",
		2414	reply => "chat ",
		2415	tooltip => "Player chat and shouts, global to the server.",
		2416	};
1859		2417
1860	# rough implementation of a future "reply" method that works	2418	# rough implementation of a future "reply" method that works
1861	# with dialog boxes.	2419	# with dialog boxes.
1862	#TODO: the first argument must go, split into a $npc->reply_to ( method	2420	#TODO: the first argument must go, split into a $npc->reply_to ( method
1863	sub cf::object::player::reply($$$;$) {	2421	sub cf::object::player::reply($$$;$) {
…		…
1865		2423
1866	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2424	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1867		2425
1868	if ($self->{record_replies}) {	2426	if ($self->{record_replies}) {
1869	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2427	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2428
1870	} else {	2429	} else {
		2430	my $pl = $self->contr;
		2431
		2432	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2433	my $dialog = $pl->{npc_dialog};
		2434	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2435
		2436	} else {
1871	$msg = $npc->name . " says: $msg" if $npc;	2437	$msg = $npc->name . " says: $msg" if $npc;
1872	$self->message ($msg, $flags);	2438	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2439	}
1873	}	2440	}
		2441	}
		2442
		2443	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2444
		2445	=cut
		2446
		2447	sub cf::object::send_msg {
		2448	my $pl = shift->contr
		2449	or return;
		2450	$pl->send_msg (@_);
1874	}	2451	}
1875		2452
1876	=item $player_object->may ("access")	2453	=item $player_object->may ("access")
1877		2454
1878	Returns wether the given player is authorized to access resource "access"	2455	Returns wether the given player is authorized to access resource "access"
…		…
1891		2468
1892	=item $player_object->enter_link	2469	=item $player_object->enter_link
1893		2470
1894	Freezes the player and moves him/her to a special map (C<{link}>).	2471	Freezes the player and moves him/her to a special map (C<{link}>).
1895		2472
1896	The player should be reasonably safe there for short amounts of time. You	2473	The player should be reasonably safe there for short amounts of time (e.g.
1897	I<MUST> call C<leave_link> as soon as possible, though.	2474	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2475	though, as the palyer cannot control the character while it is on the link
		2476	map.
1898		2477
1899	Will never block.	2478	Will never block.
1900		2479
1901	=item $player_object->leave_link ($map, $x, $y)	2480	=item $player_object->leave_link ($map, $x, $y)
1902		2481
…		…
1957	# use -1 or undef as default coordinates, not 0, 0	2536	# use -1 or undef as default coordinates, not 0, 0
1958	($x, $y) = ($map->enter_x, $map->enter_y)	2537	($x, $y) = ($map->enter_x, $map->enter_y)
1959	if $x <=0 && $y <= 0;	2538	if $x <=0 && $y <= 0;
1960		2539
1961	$map->load;	2540	$map->load;
1962	$map->load_diag;	2541	$map->load_neighbours;
1963		2542
1964	return unless $self->contr->active;	2543	return unless $self->contr->active;
		2544	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1965	$self->activate_recursive;	2545	$self->activate_recursive;
1966		2546
1967	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2547	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1968	$self->enter_map ($map, $x, $y);	2548	$self->enter_map ($map, $x, $y);
1969	}	2549	}
1970		2550
1971	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2551	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1972		2552
1973	Moves the player to the given map-path and coordinates by first freezing	2553	Moves the player to the given map-path and coordinates by first freezing
1974	her, loading and preparing them map, calling the provided $check callback	2554	her, loading and preparing them map, calling the provided $check callback
1975	that has to return the map if sucecssful, and then unfreezes the player on	2555	that has to return the map if sucecssful, and then unfreezes the player on
1976	the new (success) or old (failed) map position.	2556	the new (success) or old (failed) map position. In either case, $done will
		2557	be called at the end of this process.
		2558
		2559	Note that $check will be called with a potentially non-loaded map, so if
		2560	it needs a loaded map it has to call C<< ->load >>.
1977		2561
1978	=cut	2562	=cut
1979		2563
1980	our $GOTOGEN;	2564	our $GOTOGEN;
1981		2565
1982	sub cf::object::player::goto {	2566	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y, $check) = @_;	2567	my ($self, $path, $x, $y, $check, $done) = @_;
1984		2568
1985	# do generation counting so two concurrent goto's will be executed in-order	2569	# do generation counting so two concurrent goto's will be executed in-order
1986	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2570	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1987		2571
1988	$self->enter_link;	2572	$self->enter_link;
1989		2573
1990	(async {	2574	(async {
		2575	$Coro::current->{desc} = "player::goto $path $x $y";
		2576
		2577	# *tag paths override both path and x|y
		2578	if ($path =~ /^\*(.*)$/) {
		2579	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2580	my $ob = $obs[rand @obs];
		2581
		2582	# see if we actually can go there
		2583	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2584	$ob = $obs[rand @obs];
		2585	} else {
		2586	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588	# else put us there anyways for now #d#
		2589
		2590	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2591	} else {
		2592	($path, $x, $y) = (undef, undef, undef);
		2593	}
		2594	}
		2595
1991	my $map = eval {	2596	my $map = eval {
1992	my $map = cf::map::find $path;	2597	my $map = defined $path ? cf::map::find $path : undef;
1993		2598
1994	if ($map) {	2599	if ($map) {
1995	$map = $map->customise_for ($self);	2600	$map = $map->customise_for ($self);
1996	$map = $check->($map) if $check && $map;	2601	$map = $check->($map) if $check && $map;
1997	} else {	2602	} else {
1998	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2603	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1999	}	2604	}
2000		2605
2001	$map	2606	$map
2002	};	2607	};
2003		2608
…		…
2008		2613
2009	if ($gen == $self->{_goto_generation}) {	2614	if ($gen == $self->{_goto_generation}) {
2010	delete $self->{_goto_generation};	2615	delete $self->{_goto_generation};
2011	$self->leave_link ($map, $x, $y);	2616	$self->leave_link ($map, $x, $y);
2012	}	2617	}
		2618
		2619	$done->() if $done;
2013	})->prio (1);	2620	})->prio (1);
2014	}	2621	}
2015		2622
2016	=item $player_object->enter_exit ($exit_object)	2623	=item $player_object->enter_exit ($exit_object)
2017		2624
…		…
2037	}	2644	}
2038		2645
2039	sub prepare_random_map {	2646	sub prepare_random_map {
2040	my ($exit) = @_;	2647	my ($exit) = @_;
2041		2648
2042	my $guard = cf::lock_acquire "exit_prepare:$exit";
2043
2044	# all this does is basically replace the /! path by	2649	# all this does is basically replace the /! path by
2045	# a new random map path (?random/...) with a seed	2650	# a new random map path (?random/...) with a seed
2046	# that depends on the exit object	2651	# that depends on the exit object
2047		2652
2048	my $rmp = parse_random_map_params $exit->msg;	2653	my $rmp = parse_random_map_params $exit->msg;
…		…
2050	if ($exit->map) {	2655	if ($exit->map) {
2051	$rmp->{region} = $exit->region->name;	2656	$rmp->{region} = $exit->region->name;
2052	$rmp->{origin_map} = $exit->map->path;	2657	$rmp->{origin_map} = $exit->map->path;
2053	$rmp->{origin_x} = $exit->x;	2658	$rmp->{origin_x} = $exit->x;
2054	$rmp->{origin_y} = $exit->y;	2659	$rmp->{origin_y} = $exit->y;
		2660
		2661	$exit->map->touch;
2055	}	2662	}
2056		2663
2057	$rmp->{random_seed} ||= $exit->random_seed;	2664	$rmp->{random_seed} ||= $exit->random_seed;
2058		2665
2059	my $data = cf::to_json $rmp;	2666	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2060	my $md5 = Digest::MD5::md5_hex $data;	2667	my $md5 = Digest::MD5::md5_hex $data;
2061	my $meta = "$RANDOMDIR/$md5.meta";	2668	my $meta = "$RANDOMDIR/$md5.meta";
2062		2669
2063	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2670	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2064	aio_write $fh, 0, (length $data), $data, 0;	2671	aio_write $fh, 0, (length $data), $data, 0;
2065	undef $fh;	2672	undef $fh;
2066	aio_rename "$meta~", $meta;	2673	aio_rename "$meta~", $meta;
2067		2674
		2675	my $slaying = "?random/$md5";
		2676
		2677	if ($exit->valid) {
2068	$exit->slaying ("?random/$md5");	2678	$exit->slaying ("?random/$md5");
2069	$exit->msg (undef);	2679	$exit->msg (undef);
		2680	}
2070	}	2681	}
2071	}	2682	}
2072		2683
2073	sub cf::object::player::enter_exit {	2684	sub cf::object::player::enter_exit {
2074	my ($self, $exit) = @_;	2685	my ($self, $exit) = @_;
2075		2686
2076	return unless $self->type == cf::PLAYER;	2687	return unless $self->type == cf::PLAYER;
2077		2688
2078	if ($exit->slaying eq "/!") {
2079	#TODO: this should de-fi-ni-te-ly not be a sync-job
2080	# the problem is that $exit might not survive long enough
2081	# so it needs to be done right now, right here
2082	cf::sync_job { prepare_random_map $exit };
2083	}
2084
2085	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2086	my $hp = $exit->stats->hp;
2087	my $sp = $exit->stats->sp;
2088
2089	$self->enter_link;	2689	$self->enter_link;
2090		2690
2091	(async {	2691	(async {
2092	$self->deactivate_recursive; # just to be sure	2692	$Coro::current->{desc} = "enter_exit";
		2693
2093	unless (eval {	2694	unless (eval {
		2695	$self->deactivate_recursive; # just to be sure
		2696
		2697	# random map handling
		2698	{
		2699	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2700
		2701	prepare_random_map $exit
		2702	if $exit->slaying eq "/!";
		2703	}
		2704
		2705	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2706	my $x = $exit->stats->hp;
		2707	my $y = $exit->stats->sp;
		2708
2094	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($map, $x, $y);
2095		2710
		2711	# if exit is damned, update players death & WoR home-position
		2712	$self->contr->savebed ($map, $x, $y)
		2713	if $exit->flag (cf::FLAG_DAMNED);
		2714
2096	1;	2715	1
2097	}) {	2716	}) {
2098	$self->message ("Something went wrong deep within the crossfire server. "	2717	$self->message ("Something went wrong deep within the deliantra server. "
2099	. "I'll try to bring you back to the map you were before. "	2718	. "I'll try to bring you back to the map you were before. "
2100	. "Please report this to the dungeon master!",	2719	. "Please report this to the dungeon master!",
2101	cf::NDI_UNIQUE | cf::NDI_RED);	2720	cf::NDI_UNIQUE | cf::NDI_RED);
2102		2721
2103	warn "ERROR in enter_exit: $@";	2722	warn "ERROR in enter_exit: $@";
…		…
2122		2741
2123	utf8::encode $text;	2742	utf8::encode $text;
2124	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2743	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2125	}	2744	}
2126		2745
		2746	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2747
		2748	Send a drawinfo or msg packet to the client, formatting the msg for the
		2749	client if neccessary. C<$type> should be a string identifying the type of
		2750	the message, with C<log> being the default. If C<$color> is negative, suppress
		2751	the message unless the client supports the msg packet.
		2752
		2753	=cut
		2754
		2755	# non-persistent channels (usually the info channel)
		2756	our %CHANNEL = (
		2757	"c/identify" => {
		2758	id => "infobox",
		2759	title => "Identify",
		2760	reply => undef,
		2761	tooltip => "Items recently identified",
		2762	},
		2763	"c/examine" => {
		2764	id => "infobox",
		2765	title => "Examine",
		2766	reply => undef,
		2767	tooltip => "Signs and other items you examined",
		2768	},
		2769	"c/book" => {
		2770	id => "infobox",
		2771	title => "Book",
		2772	reply => undef,
		2773	tooltip => "The contents of a note or book",
		2774	},
		2775	"c/lookat" => {
		2776	id => "infobox",
		2777	title => "Look",
		2778	reply => undef,
		2779	tooltip => "What you saw there",
		2780	},
		2781	"c/who" => {
		2782	id => "infobox",
		2783	title => "Players",
		2784	reply => undef,
		2785	tooltip => "Shows players who are currently online",
		2786	},
		2787	"c/body" => {
		2788	id => "infobox",
		2789	title => "Body Parts",
		2790	reply => undef,
		2791	tooltip => "Shows which body parts you posess and are available",
		2792	},
		2793	"c/skills" => {
		2794	id => "infobox",
		2795	title => "Skills",
		2796	reply => undef,
		2797	tooltip => "Shows your experience per skill and item power",
		2798	},
		2799	"c/uptime" => {
		2800	id => "infobox",
		2801	title => "Uptime",
		2802	reply => undef,
		2803	tooltip => "How long the server has been running since last restart",
		2804	},
		2805	"c/mapinfo" => {
		2806	id => "infobox",
		2807	title => "Map Info",
		2808	reply => undef,
		2809	tooltip => "Information related to the maps",
		2810	},
		2811	"c/party" => {
		2812	id => "party",
		2813	title => "Party",
		2814	reply => "gsay ",
		2815	tooltip => "Messages and chat related to your party",
		2816	},
		2817	);
		2818
		2819	sub cf::client::send_msg {
		2820	my ($self, $channel, $msg, $color, @extra) = @_;
		2821
		2822	$msg = $self->pl->expand_cfpod ($msg)
		2823	unless $color & cf::NDI_VERBATIM;
		2824
		2825	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2826
		2827	# check predefined channels, for the benefit of C
		2828	if ($CHANNEL{$channel}) {
		2829	$channel = $CHANNEL{$channel};
		2830
		2831	$self->ext_msg (channel_info => $channel)
		2832	if $self->can_msg;
		2833
		2834	$channel = $channel->{id};
		2835
		2836	} elsif (ref $channel) {
		2837	# send meta info to client, if not yet sent
		2838	unless (exists $self->{channel}{$channel->{id}}) {
		2839	$self->{channel}{$channel->{id}} = $channel;
		2840	$self->ext_msg (channel_info => $channel)
		2841	if $self->can_msg;
		2842	}
		2843
		2844	$channel = $channel->{id};
		2845	}
		2846
		2847	return unless @extra || length $msg;
		2848
		2849	if ($self->can_msg) {
		2850	# default colour, mask it out
		2851	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2852	if $color & cf::NDI_DEF;
		2853
		2854	my $pkt = "msg "
		2855	. $self->{json_coder}->encode (
		2856	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2857	);
		2858
		2859	# try lzf for large packets
		2860	$pkt = "lzf " . Compress::LZF::compress $pkt
		2861	if 1024 <= length $pkt and $self->{can_lzf};
		2862
		2863	# split very large packets
		2864	if (8192 < length $pkt and $self->{can_lzf}) {
		2865	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2866	$pkt = "frag";
		2867	}
		2868
		2869	$self->send_packet ($pkt);
		2870	} else {
		2871	if ($color >= 0) {
		2872	# replace some tags by gcfclient-compatible ones
		2873	for ($msg) {
		2874	1 while
		2875	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2876	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2877	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2878	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2879	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2880	}
		2881
		2882	$color &= cf::NDI_COLOR_MASK;
		2883
		2884	utf8::encode $msg;
		2885
		2886	if (0 && $msg =~ /\[/) {
		2887	# COMMAND/INFO
		2888	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2889	} else {
		2890	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2891	$self->send_packet ("drawinfo $color $msg")
		2892	}
		2893	}
		2894	}
		2895	}
		2896
2127	=item $client->ext_event ($type, %msg)	2897	=item $client->ext_msg ($type, @msg)
2128		2898
2129	Sends an exti event to the client.	2899	Sends an ext event to the client.
2130		2900
2131	=cut	2901	=cut
2132		2902
2133	sub cf::client::ext_event($$%) {	2903	sub cf::client::ext_msg($$@) {
2134	my ($self, $type, %msg) = @_;	2904	my ($self, $type, @msg) = @_;
2135		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
2136	$msg{msgtype} = "event_$type";	2909	push @msg, msgtype => "event_$type";
2137	$self->send_packet ("ext " . cf::to_json \%msg);	2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
2138	}	2930	}
2139		2931
2140	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
2141		2933
2142	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
2143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2935	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2936	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2145		2937
2146	Queries can fail, so check the return code. Or don't, as queries will become	2938	Queries can fail, so check the return code. Or don't, as queries will
2147	reliable at some point in the future.	2939	become reliable at some point in the future.
2148		2940
2149	=cut	2941	=cut
2150		2942
2151	sub cf::client::query {	2943	sub cf::client::query {
2152	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
2160	utf8::encode $text;	2952	utf8::encode $text;
2161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2162		2954
2163	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
2164	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
2165	}	2959	}
2166		2960
2167	cf::client->attach (	2961	cf::client->attach (
		2962	on_connect => sub {
		2963	my ($ns) = @_;
		2964
		2965	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2966	},
2168	on_reply => sub {	2967	on_reply => sub {
2169	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
2170		2969
2171	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
2172	# get handled first	2971	# get handled first
…		…
2184	} else {	2983	} else {
2185	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2186	}	2985	}
2187	}	2986	}
2188	},	2987	},
		2988	on_exticmd => sub {
		2989	my ($ns, $buf) = @_;
		2990
		2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2992
		2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
		3001	if (my $cb = $EXTICMD{$type}) {
		3002	@reply = $cb->($ns, @payload);
		3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
		3008	} else {
		3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3010	}
		3011
		3012	cf::override;
		3013	},
2189	);	3014	);
2190		3015
2191	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
2192		3017
2193	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
2234	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2235	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2236		3061
2237	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2238		3063
2239	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2240		3069
2241	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2242		3071
2243	=pod	3072	=pod
2244		3073
2245	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2246		3075
2247	cf::object contr pay_amount pay_player map	3076	cf::object
		3077	contr pay_amount pay_player map x y force_find force_add destroy
		3078	insert remove name archname title slaying race decrease split
		3079
2248	cf::object::player player	3080	cf::object::player
2249	cf::player peaceful	3081	player
2250	cf::map trigger	3082
		3083	cf::player
		3084	peaceful
		3085
		3086	cf::map
		3087	trigger
2251		3088
2252	=cut	3089	=cut
2253		3090
2254	for (	3091	for (
2255	["cf::object" => qw(contr pay_amount pay_player map)],	3092	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3093	insert remove inv nrof name archname title slaying race
		3094	decrease split destroy change_exp)],
2256	["cf::object::player" => qw(player)],	3095	["cf::object::player" => qw(player)],
2257	["cf::player" => qw(peaceful)],	3096	["cf::player" => qw(peaceful)],
2258	["cf::map" => qw(trigger)],	3097	["cf::map" => qw(trigger)],
2259	) {	3098	) {
2260	no strict 'refs';	3099	no strict 'refs';
…		…
2331	=back	3170	=back
2332		3171
2333	=cut	3172	=cut
2334		3173
2335	#############################################################################	3174	#############################################################################
2336
2337	=head2 EXTENSION DATABASE SUPPORT
2338
2339	Crossfire maintains a very simple database for extension use. It can
2340	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2341	convert to/from binary).
2342
2343	The parameter C<$family> should best start with the name of the extension
2344	using it, it should be unique.
2345
2346	=over 4
2347
2348	=item $value = cf::db_get $family => $key
2349
2350	Returns a single value from the database.
2351
2352	=item cf::db_put $family => $key => $value
2353
2354	Stores the given C<$value> in the family.
2355
2356	=cut
2357
2358	our $DB;
2359
2360	sub db_init {
2361	unless ($DB) {
2362	$DB = BDB::db_create $DB_ENV;
2363
2364	cf::sync_job {
2365	eval {
2366	$DB->set_flags (BDB::CHKSUM);
2367
2368	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2369	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2370	cf::cleanup "db_open(db): $!" if $!;
2371	};
2372	cf::cleanup "db_open(db): $@" if $@;
2373	};
2374	}
2375	}
2376
2377	sub db_get($$) {
2378	my $key = "$_[0]/$_[1]";
2379
2380	cf::sync_job {
2381	BDB::db_get $DB, undef, $key, my $data;
2382
2383	$! ? ()
2384	: $data
2385	}
2386	}
2387
2388	sub db_put($$$) {
2389	BDB::dbreq_pri 4;
2390	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2391	}
2392
2393	=item cf::cache $id => [$paths...], $processversion => $process
2394
2395	Generic caching function that returns the value of the resource $id,
2396	caching and regenerating as required.
2397
2398	This function can block.
2399
2400	=cut
2401
2402	sub cache {
2403	my ($id, $src, $processversion, $process) = @_;
2404
2405	my $meta =
2406	join "\x00",
2407	$processversion,
2408	map {
2409	aio_stat $_
2410	and Carp::croak "$_: $!";
2411
2412	($_, (stat _)[7,9])
2413	} @$src;
2414
2415	my $dbmeta = db_get cache => "$id/meta";
2416	if ($dbmeta ne $meta) {
2417	# changed, we may need to process
2418
2419	my @data;
2420	my $md5;
2421
2422	for (0 .. $#$src) {
2423	0 <= aio_load $src->[$_], $data[$_]
2424	or Carp::croak "$src->[$_]: $!";
2425	}
2426
2427	# if processing is expensive, check
2428	# checksum first
2429	if (1) {
2430	$md5 =
2431	join "\x00",
2432	$processversion,
2433	map {
2434	Coro::cede;
2435	($src->[$_], Digest::MD5::md5_hex $data[$_])
2436	} 0.. $#$src;
2437
2438
2439	my $dbmd5 = db_get cache => "$id/md5";
2440	if ($dbmd5 eq $md5) {
2441	db_put cache => "$id/meta", $meta;
2442
2443	return db_get cache => "$id/data";
2444	}
2445	}
2446
2447	my $t1 = Time::HiRes::time;
2448	my $data = $process->(\@data);
2449	my $t2 = Time::HiRes::time;
2450
2451	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2452
2453	db_put cache => "$id/data", $data;
2454	db_put cache => "$id/md5" , $md5;
2455	db_put cache => "$id/meta", $meta;
2456
2457	return $data;
2458	}
2459
2460	db_get cache => "$id/data"
2461	}
2462
2463	=item fork_call { }, $args
2464
2465	Executes the given code block with the given arguments in a seperate
2466	process, returning the results. Everything must be serialisable with
2467	Coro::Storable. May, of course, block. Note that the executed sub may
2468	never block itself or use any form of Event handling.
2469
2470	=cut
2471
2472	sub fork_call(&@) {
2473	my ($cb, @args) = @_;
2474
2475	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2476	# or die "socketpair: $!";
2477	pipe my $fh1, my $fh2
2478	or die "pipe: $!";
2479
2480	if (my $pid = fork) {
2481	close $fh2;
2482
2483	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2484	$res = Coro::Storable::thaw $res;
2485
2486	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2487
2488	die $$res unless "ARRAY" eq ref $res;
2489
2490	return wantarray ? @$res : $res->[-1];
2491	} else {
2492	reset_signals;
2493	local $SIG{__WARN__};
2494	local $SIG{__DIE__};
2495	eval {
2496	close $fh1;
2497
2498	my @res = eval { $cb->(@args) };
2499	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2500	};
2501
2502	warn $@ if $@;
2503	_exit 0;
2504	}
2505	}
2506
2507	#############################################################################
2508	# the server's init and main functions	3175	# the server's init and main functions
2509		3176
2510	sub load_facedata($) {	3177	sub load_facedata($) {
2511	my ($path) = @_;	3178	my ($path) = @_;
		3179
		3180	# HACK to clear player env face cache, we need some signal framework
		3181	# for this (global event?)
		3182	%ext::player_env::MUSIC_FACE_CACHE = ();
		3183
		3184	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2512		3185
2513	warn "loading facedata from $path\n";	3186	warn "loading facedata from $path\n";
2514		3187
2515	my $facedata;	3188	my $facedata;
2516	0 < aio_load $path, $facedata	3189	0 < aio_load $path, $facedata
…		…
2519	$facedata = Coro::Storable::thaw $facedata;	3192	$facedata = Coro::Storable::thaw $facedata;
2520		3193
2521	$facedata->{version} == 2	3194	$facedata->{version} == 2
2522	or cf::cleanup "$path: version mismatch, cannot proceed.";	3195	or cf::cleanup "$path: version mismatch, cannot proceed.";
2523		3196
		3197	# patch in the exptable
		3198	$facedata->{resource}{"res/exp_table"} = {
		3199	type => FT_RSRC,
		3200	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3201	};
		3202	cf::cede_to_tick;
		3203
2524	{	3204	{
2525	my $faces = $facedata->{faceinfo};	3205	my $faces = $facedata->{faceinfo};
2526		3206
2527	while (my ($face, $info) = each %$faces) {	3207	while (my ($face, $info) = each %$faces) {
2528	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3208	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3209
2529	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3210	cf::face::set_visibility $idx, $info->{visibility};
		3211	cf::face::set_magicmap $idx, $info->{magicmap};
2530	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3212	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2531	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3213	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2532	Coro::cede;	3214
		3215	cf::cede_to_tick;
2533	}	3216	}
2534		3217
2535	while (my ($face, $info) = each %$faces) {	3218	while (my ($face, $info) = each %$faces) {
2536	next unless $info->{smooth};	3219	next unless $info->{smooth};
		3220
2537	my $idx = cf::face::find $face	3221	my $idx = cf::face::find $face
2538	or next;	3222	or next;
		3223
2539	if (my $smooth = cf::face::find $info->{smooth}) {	3224	if (my $smooth = cf::face::find $info->{smooth}) {
		3225	cf::face::set_smooth $idx, $smooth;
2540	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3226	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2541	} else {	3227	} else {
2542	warn "smooth face '$info->{smooth}' not found for face '$face'";	3228	warn "smooth face '$info->{smooth}' not found for face '$face'";
2543	}	3229	}
2544	Coro::cede;	3230
		3231	cf::cede_to_tick;
2545	}	3232	}
2546	}	3233	}
2547		3234
2548	{	3235	{
2549	my $anims = $facedata->{animinfo};	3236	my $anims = $facedata->{animinfo};
2550		3237
2551	while (my ($anim, $info) = each %$anims) {	3238	while (my ($anim, $info) = each %$anims) {
2552	cf::anim::set $anim, $info->{frames}, $info->{facings};	3239	cf::anim::set $anim, $info->{frames}, $info->{facings};
2553	Coro::cede;	3240	cf::cede_to_tick;
2554	}	3241	}
2555		3242
2556	cf::anim::invalidate_all; # d'oh	3243	cf::anim::invalidate_all; # d'oh
2557	}	3244	}
2558		3245
		3246	{
		3247	# TODO: for gcfclient pleasure, we should give resources
		3248	# that gcfclient doesn't grok a >10000 face index.
		3249	my $res = $facedata->{resource};
		3250
		3251	while (my ($name, $info) = each %$res) {
		3252	if (defined $info->{type}) {
		3253	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3254	my $data;
		3255
		3256	if ($info->{type} & 1) {
		3257	# prepend meta info
		3258
		3259	my $meta = $enc->encode ({
		3260	name => $name,
		3261	%{ $info->{meta} || {} },
		3262	});
		3263
		3264	$data = pack "(w/a*)*", $meta, $info->{data};
		3265	} else {
		3266	$data = $info->{data};
		3267	}
		3268
		3269	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3270	cf::face::set_type $idx, $info->{type};
		3271	} else {
		3272	$RESOURCE{$name} = $info;
		3273	}
		3274
		3275	cf::cede_to_tick;
		3276	}
		3277	}
		3278
		3279	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3280
2559	1	3281	1
2560	}	3282	}
2561		3283
		3284	cf::global->attach (on_resource_update => sub {
		3285	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3286	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3287
		3288	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3289	my $sound = $soundconf->{compat}[$_]
		3290	or next;
		3291
		3292	my $face = cf::face::find "sound/$sound->[1]";
		3293	cf::sound::set $sound->[0] => $face;
		3294	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3295	}
		3296
		3297	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3298	my $face = cf::face::find "sound/$v";
		3299	cf::sound::set $k => $face;
		3300	}
		3301	}
		3302	});
		3303
		3304	register_exticmd fx_want => sub {
		3305	my ($ns, $want) = @_;
		3306
		3307	while (my ($k, $v) = each %$want) {
		3308	$ns->fx_want ($k, $v);
		3309	}
		3310	};
		3311
		3312	sub load_resource_file($) {
		3313	my $guard = lock_acquire "load_resource_file";
		3314
		3315	my $status = load_resource_file_ $_[0];
		3316	get_slot 0.1, 100;
		3317	cf::arch::commit_load;
		3318
		3319	$status
		3320	}
		3321
2562	sub reload_regions {	3322	sub reload_regions {
		3323	# HACK to clear player env face cache, we need some signal framework
		3324	# for this (global event?)
		3325	%ext::player_env::MUSIC_FACE_CACHE = ();
		3326
2563	load_resource_file "$MAPDIR/regions"	3327	load_resource_file "$MAPDIR/regions"
2564	or die "unable to load regions file\n";	3328	or die "unable to load regions file\n";
		3329
		3330	for (cf::region::list) {
		3331	$_->{match} = qr/$_->{match}/
		3332	if exists $_->{match};
		3333	}
2565	}	3334	}
2566		3335
2567	sub reload_facedata {	3336	sub reload_facedata {
2568	load_facedata "$DATADIR/facedata"	3337	load_facedata "$DATADIR/facedata"
2569	or die "unable to load facedata\n";	3338	or die "unable to load facedata\n";
…		…
2580	}	3349	}
2581		3350
2582	sub reload_resources {	3351	sub reload_resources {
2583	warn "reloading resource files...\n";	3352	warn "reloading resource files...\n";
2584		3353
		3354	reload_facedata;
		3355	reload_archetypes;
2585	reload_regions;	3356	reload_regions;
2586	reload_facedata;
2587	#reload_archetypes;#d#
2588	reload_archetypes;
2589	reload_treasures;	3357	reload_treasures;
2590		3358
2591	warn "finished reloading resource files\n";	3359	warn "finished reloading resource files\n";
2592	}	3360	}
2593		3361
2594	sub init {	3362	sub reload_config {
2595	reload_resources;
2596	}
2597
2598	sub cfg_load {
2599	open my $fh, "<:utf8", "$CONFDIR/config"	3363	open my $fh, "<:utf8", "$CONFDIR/config"
2600	or return;	3364	or return;
2601		3365
2602	local $/;	3366	local $/;
2603	*CFG = YAML::Syck::Load <$fh>;	3367	*CFG = YAML::Load <$fh>;
2604		3368
2605	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3369	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2606		3370
2607	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3371	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2608	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3372	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2614	};	3378	};
2615	warn $@ if $@;	3379	warn $@ if $@;
2616	}	3380	}
2617	}	3381	}
2618		3382
		3383	sub pidfile() {
		3384	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3385	or die "$PIDFILE: $!";
		3386	flock $fh, &Fcntl::LOCK_EX
		3387	or die "$PIDFILE: flock: $!";
		3388	$fh
		3389	}
		3390
		3391	# make sure only one server instance is running at any one time
		3392	sub atomic {
		3393	my $fh = pidfile;
		3394
		3395	my $pid = <$fh>;
		3396	kill 9, $pid if $pid > 0;
		3397
		3398	seek $fh, 0, 0;
		3399	print $fh $$;
		3400	}
		3401
2619	sub main {	3402	sub main {
		3403	cf::init_globals; # initialise logging
		3404
		3405	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3406	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3407	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3408	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3409
		3410	cf::init_experience;
		3411	cf::init_anim;
		3412	cf::init_attackmess;
		3413	cf::init_dynamic;
		3414	cf::init_block;
		3415
		3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3417
2620	# we must not ever block the main coroutine	3418	# we must not ever block the main coroutine
2621	local $Coro::idle = sub {	3419	local $Coro::idle = sub {
2622	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3420	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2623	(async {	3421	(async {
2624	Event::one_event;	3422	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3423	EV::loop EV::LOOP_ONESHOT;
2625	})->prio (Coro::PRIO_MAX);	3424	})->prio (Coro::PRIO_MAX);
2626	};	3425	};
2627		3426
2628	cfg_load;	3427	evthread_start IO::AIO::poll_fileno;
		3428
		3429	cf::sync_job {
		3430	reload_resources;
		3431	reload_config;
2629	db_init;	3432	db_init;
		3433
		3434	cf::load_settings;
		3435	cf::load_materials;
		3436	cf::init_uuid;
		3437	cf::init_signals;
		3438	cf::init_commands;
		3439	cf::init_skills;
		3440
		3441	cf::init_beforeplay;
		3442
		3443	atomic;
		3444
2630	load_extensions;	3445	load_extensions;
2631		3446
2632	$TICK_WATCHER->start;	3447	utime time, time, $RUNTIMEFILE;
		3448
		3449	# no (long-running) fork's whatsoever before this point(!)
		3450	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3451
		3452	(pop @POST_INIT)->(0) while @POST_INIT;
		3453	};
		3454
2633	Event::loop;	3455	EV::loop;
2634	}	3456	}
2635		3457
2636	#############################################################################	3458	#############################################################################
2637	# initialisation and cleanup	3459	# initialisation and cleanup
2638		3460
2639	# install some emergency cleanup handlers	3461	# install some emergency cleanup handlers
2640	BEGIN {	3462	BEGIN {
		3463	our %SIGWATCHER = ();
2641	for my $signal (qw(INT HUP TERM)) {	3464	for my $signal (qw(INT HUP TERM)) {
2642	Event->signal (	3465	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2643	reentrant => 0,
2644	data => WF_AUTOCANCEL,
2645	signal => $signal,
2646	prio => 0,
2647	cb => sub {
2648	cf::cleanup "SIG$signal";	3466	cf::cleanup "SIG$signal";
2649	},
2650	);	3467	};
		3468	}
		3469	}
		3470
		3471	sub write_runtime_sync {
		3472	# first touch the runtime file to show we are still running:
		3473	# the fsync below can take a very very long time.
		3474
		3475	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3476
		3477	my $guard = cf::lock_acquire "write_runtime";
		3478
		3479	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3480	or return;
		3481
		3482	my $value = $cf::RUNTIME + 90 + 10;
		3483	# 10 is the runtime save interval, for a monotonic clock
		3484	# 60 allows for the watchdog to kill the server.
		3485
		3486	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3487	and return;
		3488
		3489	# always fsync - this file is important
		3490	aio_fsync $fh
		3491	and return;
		3492
		3493	# touch it again to show we are up-to-date
		3494	aio_utime $fh, undef, undef;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3500	and return;
		3501
		3502	warn "runtime file written.\n";
		3503
2651	}	3504	1
		3505	}
		3506
		3507	our $uuid_lock;
		3508	our $uuid_skip;
		3509
		3510	sub write_uuid_sync($) {
		3511	$uuid_skip ||= $_[0];
		3512
		3513	return if $uuid_lock;
		3514	local $uuid_lock = 1;
		3515
		3516	my $uuid = "$LOCALDIR/uuid";
		3517
		3518	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3519	or return;
		3520
		3521	my $value = uuid_seq uuid_cur;
		3522
		3523	if ($value < 1024) {
		3524	warn "cowardly refusing to write low uuid value ($value)!\n";
		3525	return;
		3526	}
		3527
		3528	my $value = uuid_str $value + $uuid_skip;
		3529	$uuid_skip = 0;
		3530
		3531	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3532	and return;
		3533
		3534	# always fsync - this file is important
		3535	aio_fsync $fh
		3536	and return;
		3537
		3538	close $fh
		3539	or return;
		3540
		3541	aio_rename "$uuid~", $uuid
		3542	and return;
		3543
		3544	warn "uuid file written ($value).\n";
		3545
		3546	1
		3547
		3548	}
		3549
		3550	sub write_uuid($$) {
		3551	my ($skip, $sync) = @_;
		3552
		3553	$sync ? write_uuid_sync $skip
		3554	: async { write_uuid_sync $skip };
2652	}	3555	}
2653		3556
2654	sub emergency_save() {	3557	sub emergency_save() {
2655	my $freeze_guard = cf::freeze_mainloop;	3558	my $freeze_guard = cf::freeze_mainloop;
2656		3559
…		…
2662	# and maps saved/destroyed asynchronously.	3565	# and maps saved/destroyed asynchronously.
2663	warn "begin emergency player save\n";	3566	warn "begin emergency player save\n";
2664	for my $login (keys %cf::PLAYER) {	3567	for my $login (keys %cf::PLAYER) {
2665	my $pl = $cf::PLAYER{$login} or next;	3568	my $pl = $cf::PLAYER{$login} or next;
2666	$pl->valid or next;	3569	$pl->valid or next;
		3570	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2667	$pl->save;	3571	$pl->save;
2668	}	3572	}
2669	warn "end emergency player save\n";	3573	warn "end emergency player save\n";
2670		3574
2671	warn "begin emergency map save\n";	3575	warn "begin emergency map save\n";
…		…
2677	warn "end emergency map save\n";	3581	warn "end emergency map save\n";
2678		3582
2679	warn "begin emergency database checkpoint\n";	3583	warn "begin emergency database checkpoint\n";
2680	BDB::db_env_txn_checkpoint $DB_ENV;	3584	BDB::db_env_txn_checkpoint $DB_ENV;
2681	warn "end emergency database checkpoint\n";	3585	warn "end emergency database checkpoint\n";
		3586
		3587	warn "begin write uuid\n";
		3588	write_uuid_sync 1;
		3589	warn "end write uuid\n";
2682	};	3590	};
2683		3591
2684	warn "leave emergency perl save\n";	3592	warn "leave emergency perl save\n";
2685	}	3593	}
2686		3594
2687	sub post_cleanup {	3595	sub post_cleanup {
2688	my ($make_core) = @_;	3596	my ($make_core) = @_;
2689		3597
2690	warn Carp::longmess "post_cleanup backtrace"	3598	warn Carp::longmess "post_cleanup backtrace"
2691	if $make_core;	3599	if $make_core;
		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		3603	}
		3604
		3605	# a safer delete_package, copied from Symbol
		3606	sub clear_package($) {
		3607	my $pkg = shift;
		3608
		3609	# expand to full symbol table name if needed
		3610	unless ($pkg =~ /^main::.*::$/) {
		3611	$pkg = "main$pkg" if $pkg =~ /^::/;
		3612	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3613	$pkg .= '::' unless $pkg =~ /::$/;
		3614	}
		3615
		3616	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3617	my $stem_symtab = *{$stem}{HASH};
		3618
		3619	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3620	or return;
		3621
		3622	# clear all symbols
		3623	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3624	for my $name (keys %$leaf_symtab) {
		3625	_gv_clear *{"$pkg$name"};
		3626	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3627	}
		3628	warn "cleared package $pkg\n";#d#
2692	}	3629	}
2693		3630
2694	sub do_reload_perl() {	3631	sub do_reload_perl() {
2695	# can/must only be called in main	3632	# can/must only be called in main
2696	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
2697	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
2698	return;	3635	return;
2699	}	3636	}
2700		3637
		3638	return if $RELOAD++;
		3639
		3640	while ($RELOAD) {
2701	warn "reloading...";	3641	warn "reloading...";
2702		3642
2703	warn "entering sync_job";	3643	warn "entering sync_job";
2704		3644
2705	cf::sync_job {	3645	cf::sync_job {
2706	cf::write_runtime; # external watchdog should not bark	3646	cf::write_runtime_sync; # external watchdog should not bark
2707	cf::emergency_save;	3647	cf::emergency_save;
2708	cf::write_runtime; # external watchdog should not bark	3648	cf::write_runtime_sync; # external watchdog should not bark
2709		3649
2710	warn "syncing database to disk";	3650	warn "syncing database to disk";
2711	BDB::db_env_txn_checkpoint $DB_ENV;	3651	BDB::db_env_txn_checkpoint $DB_ENV;
2712		3652
2713	# if anything goes wrong in here, we should simply crash as we already saved	3653	# if anything goes wrong in here, we should simply crash as we already saved
2714		3654
2715	warn "cancelling all WF_AUTOCANCEL watchers";
2716	for (Event::all_watchers) {
2717	$_->cancel if $_->data & WF_AUTOCANCEL;
2718	}
2719
2720	warn "flushing outstanding aio requests";	3655	warn "flushing outstanding aio requests";
2721	for (;;) {
2722	BDB::flush;
2723	IO::AIO::flush;
2724	Coro::cede;
2725	last unless IO::AIO::nreqs || BDB::nreqs;	3656	while (IO::AIO::nreqs || BDB::nreqs) {
2726	warn "iterate...";	3657	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2727	}
2728
2729	++$RELOAD;
2730
2731	warn "cancelling all extension coros";
2732	$_->cancel for values %EXT_CORO;
2733	%EXT_CORO = ();
2734
2735	warn "removing commands";
2736	%COMMAND = ();
2737
2738	warn "removing ext commands";
2739	%EXTCMD = ();
2740
2741	warn "unloading/nuking all extensions";
2742	for my $pkg (@EXTS) {
2743	warn "... unloading $pkg";
2744
2745	if (my $cb = $pkg->can ("unload")) {
2746	eval {
2747	$cb->($pkg);
2748	1
2749	} or warn "$pkg unloaded, but with errors: $@";
2750	}	3658	}
2751		3659
2752	warn "... nuking $pkg";	3660	warn "cancelling all extension coros";
2753	Symbol::delete_package $pkg;	3661	$_->cancel for values %EXT_CORO;
2754	}	3662	%EXT_CORO = ();
2755		3663
2756	warn "unloading all perl modules loaded from $LIBDIR";	3664	warn "removing commands";
2757	while (my ($k, $v) = each %INC) {	3665	%COMMAND = ();
2758	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2759		3666
		3667	warn "removing ext/exti commands";
		3668	%EXTCMD = ();
		3669	%EXTICMD = ();
		3670
		3671	warn "unloading/nuking all extensions";
		3672	for my $pkg (@EXTS) {
2760	warn "... unloading $k";	3673	warn "... unloading $pkg";
2761	delete $INC{$k};
2762		3674
2763	$k =~ s/\.pm$//;
2764	$k =~ s/\//::/g;
2765
2766	if (my $cb = $k->can ("unload_module")) {	3675	if (my $cb = $pkg->can ("unload")) {
		3676	eval {
2767	$cb->();	3677	$cb->($pkg);
		3678	1
		3679	} or warn "$pkg unloaded, but with errors: $@";
		3680	}
		3681
		3682	warn "... clearing $pkg";
		3683	clear_package $pkg;
2768	}	3684	}
2769		3685
2770	Symbol::delete_package $k;	3686	warn "unloading all perl modules loaded from $LIBDIR";
		3687	while (my ($k, $v) = each %INC) {
		3688	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3689
		3690	warn "... unloading $k";
		3691	delete $INC{$k};
		3692
		3693	$k =~ s/\.pm$//;
		3694	$k =~ s/\//::/g;
		3695
		3696	if (my $cb = $k->can ("unload_module")) {
		3697	$cb->();
		3698	}
		3699
		3700	clear_package $k;
2771	}	3701	}
2772		3702
2773	warn "getting rid of safe::, as good as possible";	3703	warn "getting rid of safe::, as good as possible";
2774	Symbol::delete_package "safe::$_"	3704	clear_package "safe::$_"
2775	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3705	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2776		3706
2777	warn "unloading cf.pm \"a bit\"";	3707	warn "unloading cf.pm \"a bit\"";
2778	delete $INC{"cf.pm"};	3708	delete $INC{"cf.pm"};
2779	delete $INC{"cf/pod.pm"};	3709	delete $INC{"cf/pod.pm"};
2780		3710
2781	# don't, removes xs symbols, too,	3711	# don't, removes xs symbols, too,
2782	# and global variables created in xs	3712	# and global variables created in xs
2783	#Symbol::delete_package __PACKAGE__;	3713	#clear_package __PACKAGE__;
2784		3714
2785	warn "unload completed, starting to reload now";	3715	warn "unload completed, starting to reload now";
2786		3716
2787	warn "reloading cf.pm";	3717	warn "reloading cf.pm";
2788	require cf;	3718	require cf;
2789	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3719	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2790		3720
2791	warn "loading config and database again";	3721	warn "loading config and database again";
2792	cf::cfg_load;	3722	cf::reload_config;
2793		3723
2794	warn "loading extensions";	3724	warn "loading extensions";
2795	cf::load_extensions;	3725	cf::load_extensions;
2796		3726
2797	warn "reattaching attachments to objects/players";	3727	warn "reattaching attachments to objects/players";
2798	_global_reattach; # objects, sockets	3728	_global_reattach; # objects, sockets
2799	warn "reattaching attachments to maps";	3729	warn "reattaching attachments to maps";
2800	reattach $_ for values %MAP;	3730	reattach $_ for values %MAP;
2801	warn "reattaching attachments to players";	3731	warn "reattaching attachments to players";
2802	reattach $_ for values %PLAYER;	3732	reattach $_ for values %PLAYER;
2803		3733
		3734	warn "running post_load";
		3735	(pop @POST_INIT)->(1) while @POST_INIT;
		3736
2804	warn "leaving sync_job";	3737	warn "leaving sync_job";
2805		3738
2806	1	3739	1
2807	} or do {	3740	} or do {
2808	warn $@;	3741	warn $@;
2809	warn "error while reloading, exiting.";	3742	cf::cleanup "error while reloading, exiting.";
2810	exit 1;
2811	};	3743	};
2812		3744
2813	warn "reloaded";	3745	warn "reloaded";
		3746	--$RELOAD;
		3747	}
2814	};	3748	};
2815		3749
2816	our $RELOAD_WATCHER; # used only during reload	3750	our $RELOAD_WATCHER; # used only during reload
2817		3751
2818	sub reload_perl() {	3752	sub reload_perl() {
2819	# doing reload synchronously and two reloads happen back-to-back,	3753	# doing reload synchronously and two reloads happen back-to-back,
2820	# coro crashes during coro_state_free->destroy here.	3754	# coro crashes during coro_state_free->destroy here.
2821		3755
2822	$RELOAD_WATCHER ||= Event->timer (	3756	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
2823	reentrant => 0,
2824	after => 0,
2825	data => WF_AUTOCANCEL,
2826	cb => sub {
2827	do_reload_perl;	3757	do_reload_perl;
2828	undef $RELOAD_WATCHER;	3758	undef $RELOAD_WATCHER;
2829	},
2830	);	3759	};
2831	}	3760	}
2832		3761
2833	register_command "reload" => sub {	3762	register_command "reload" => sub {
2834	my ($who, $arg) = @_;	3763	my ($who, $arg) = @_;
2835		3764
2836	if ($who->flag (FLAG_WIZ)) {	3765	if ($who->flag (FLAG_WIZ)) {
2837	$who->message ("reloading server.");	3766	$who->message ("reloading server.");
		3767	async {
		3768	$Coro::current->{desc} = "perl_reload";
2838	async { reload_perl };	3769	reload_perl;
		3770	};
2839	}	3771	}
2840	};	3772	};
2841		3773
2842	unshift @INC, $LIBDIR;	3774	unshift @INC, $LIBDIR;
2843		3775
…		…
2845		3777
2846	our @WAIT_FOR_TICK;	3778	our @WAIT_FOR_TICK;
2847	our @WAIT_FOR_TICK_BEGIN;	3779	our @WAIT_FOR_TICK_BEGIN;
2848		3780
2849	sub wait_for_tick {	3781	sub wait_for_tick {
2850	return unless $TICK_WATCHER->is_active;
2851	return if $Coro::current == $Coro::main;	3782	return if tick_inhibit || $Coro::current == $Coro::main;
2852		3783
2853	my $signal = new Coro::Signal;	3784	my $signal = new Coro::Signal;
2854	push @WAIT_FOR_TICK, $signal;	3785	push @WAIT_FOR_TICK, $signal;
2855	$signal->wait;	3786	$signal->wait;
2856	}	3787	}
2857		3788
2858	sub wait_for_tick_begin {	3789	sub wait_for_tick_begin {
2859	return unless $TICK_WATCHER->is_active;
2860	return if $Coro::current == $Coro::main;	3790	return if tick_inhibit || $Coro::current == $Coro::main;
2861		3791
2862	my $signal = new Coro::Signal;	3792	my $signal = new Coro::Signal;
2863	push @WAIT_FOR_TICK_BEGIN, $signal;	3793	push @WAIT_FOR_TICK_BEGIN, $signal;
2864	$signal->wait;	3794	$signal->wait;
2865	}	3795	}
2866		3796
2867	my $min = 1e6;#d#	3797	sub tick {
2868	my $avg = 10;
2869	$TICK_WATCHER = Event->timer (
2870	reentrant => 0,
2871	parked => 1,
2872	prio => 0,
2873	at => $NEXT_TICK || $TICK,
2874	data => WF_AUTOCANCEL,
2875	cb => sub {
2876	if ($Coro::current != $Coro::main) {	3798	if ($Coro::current != $Coro::main) {
2877	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3799	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2878	unless ++$bug_warning > 10;	3800	unless ++$bug_warning > 10;
2879	return;	3801	return;
2880	}	3802	}
2881		3803
2882	$NOW = $tick_start = Event::time;
2883
2884	cf::server_tick; # one server iteration	3804	cf::server_tick; # one server iteration
2885		3805
2886	0 && sync_job {#d#	3806	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2887	for(1..10) {	3807	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2888	my $t = Event::time;	3808	Coro::async_pool {
2889	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3809	$Coro::current->{desc} = "runtime saver";
2890	or die;	3810	write_runtime_sync
2891		3811	or warn "ERROR: unable to write runtime file: $!";
2892	$map->width (50);
2893	$map->height (50);
2894	$map->alloc;
2895	$map->_load_objects ("/tmp/x.map", 1);
2896	my $t = Event::time - $t;
2897
2898	#next unless $t < 0.0013;#d#
2899	if ($t < $min) {
2900	$min = $t;
2901	}
2902	$avg = $avg * 0.99 + $t * 0.01;
2903	}
2904	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2905	exit 0;
2906	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2907	};	3812	};
		3813	}
2908		3814
2909	$RUNTIME += $TICK;
2910	$NEXT_TICK += $TICK;
2911
2912	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2913	$NEXT_RUNTIME_WRITE = $NOW + 10;
2914	Coro::async_pool {
2915	write_runtime
2916	or warn "ERROR: unable to write runtime file: $!";
2917	};
2918	}
2919
2920	# my $AFTER = Event::time;
2921	# warn $AFTER - $NOW;#d#
2922
2923	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3815	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2924	$sig->send;	3816	$sig->send;
2925	}	3817	}
2926	while (my $sig = shift @WAIT_FOR_TICK) {	3818	while (my $sig = shift @WAIT_FOR_TICK) {
2927	$sig->send;	3819	$sig->send;
2928	}	3820	}
2929		3821
2930	$NOW = Event::time;	3822	$LOAD = ($NOW - $TICK_START) / $TICK;
2931
2932	# if we are delayed by four ticks or more, skip them all
2933	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2934
2935	$TICK_WATCHER->at ($NEXT_TICK);
2936	$TICK_WATCHER->start;
2937
2938	$LOAD = ($NOW - $tick_start) / $TICK;
2939	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3823	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2940		3824
2941	_post_tick;	3825	if (0) {
2942		3826	if ($NEXT_TICK) {
2943		3827	my $jitter = $TICK_START - $NEXT_TICK;
		3828	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3829	warn "jitter $JITTER\n";#d#
		3830	}
2944	},	3831	}
2945	);	3832	}
2946		3833
2947	{	3834	{
2948	BDB::max_poll_time $TICK * 0.1;	3835	# configure BDB
2949	$BDB_POLL_WATCHER = Event->io (	3836
2950	reentrant => 0,
2951	fd => BDB::poll_fileno,
2952	poll => 'r',
2953	prio => 0,
2954	data => WF_AUTOCANCEL,
2955	cb => \&BDB::poll_cb,
2956	);
2957	BDB::min_parallel 8;	3837	BDB::min_parallel 8;
2958		3838	BDB::max_poll_reqs $TICK * 0.1;
2959	BDB::set_sync_prepare {	3839	$AnyEvent::BDB::WATCHER->priority (1);
2960	my $status;
2961	my $current = $Coro::current;
2962	(
2963	sub {
2964	$status = $!;
2965	$current->ready; undef $current;
2966	},
2967	sub {
2968	Coro::schedule while defined $current;
2969	$! = $status;
2970	},
2971	)
2972	};
2973		3840
2974	unless ($DB_ENV) {	3841	unless ($DB_ENV) {
2975	$DB_ENV = BDB::db_env_create;	3842	$DB_ENV = BDB::db_env_create;
		3843	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3844	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3845	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3846	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3847	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2976		3848
2977	cf::sync_job {	3849	cf::sync_job {
2978	eval {	3850	eval {
2979	BDB::db_env_open	3851	BDB::db_env_open
2980	$DB_ENV,	3852	$DB_ENV,
…		…
2982	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3854	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2983	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3855	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2984	0666;	3856	0666;
2985		3857
2986	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3858	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2987
2988	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2989	$DB_ENV->set_lk_detect;
2990	};	3859	};
2991		3860
2992	cf::cleanup "db_env_open(db): $@" if $@;	3861	cf::cleanup "db_env_open(db): $@" if $@;
2993	};	3862	};
2994	}	3863	}
		3864
		3865	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3866	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3867	};
		3868	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3869	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3870	};
		3871	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3872	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3873	};
2995	}	3874	}
2996		3875
2997	{	3876	{
		3877	# configure IO::AIO
		3878
2998	IO::AIO::min_parallel 8;	3879	IO::AIO::min_parallel 8;
2999
3000	undef $Coro::AIO::WATCHER;
3001	IO::AIO::max_poll_time $TICK * 0.1;	3880	IO::AIO::max_poll_time $TICK * 0.1;
3002	$AIO_POLL_WATCHER = Event->io (	3881	undef $AnyEvent::AIO::WATCHER;
3003	reentrant => 0,
3004	data => WF_AUTOCANCEL,
3005	fd => IO::AIO::poll_fileno,
3006	poll => 'r',
3007	prio => 6,
3008	cb => \&IO::AIO::poll_cb,
3009	);
3010	}	3882	}
3011		3883
3012	my $_log_backtrace;	3884	my $_log_backtrace;
3013		3885
3014	sub _log_backtrace {	3886	sub _log_backtrace {
…		…
3017	$msg =~ s/\n//;	3889	$msg =~ s/\n//;
3018		3890
3019	# limit the # of concurrent backtraces	3891	# limit the # of concurrent backtraces
3020	if ($_log_backtrace < 2) {	3892	if ($_log_backtrace < 2) {
3021	++$_log_backtrace;	3893	++$_log_backtrace;
		3894	my $perl_bt = Carp::longmess $msg;
3022	async {	3895	async {
		3896	$Coro::current->{desc} = "abt $msg";
		3897
3023	my @bt = fork_call {	3898	my @bt = fork_call {
3024	@addr = map { sprintf "%x", $_ } @addr;	3899	@addr = map { sprintf "%x", $_ } @addr;
3025	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3900	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3026	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3901	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3027	or die "addr2line: $!";	3902	or die "addr2line: $!";
…		…
3035	}	3910	}
3036		3911
3037	@funcs	3912	@funcs
3038	};	3913	};
3039		3914
3040	LOG llevInfo, "[ABT] $msg\n";	3915	LOG llevInfo, "[ABT] $perl_bt\n";
		3916	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3041	LOG llevInfo, "[ABT] $_\n" for @bt;	3917	LOG llevInfo, "[ABT] $_\n" for @bt;
3042	--$_log_backtrace;	3918	--$_log_backtrace;
3043	};	3919	};
3044	} else {	3920	} else {
3045	LOG llevInfo, "[ABT] $msg\n";	3921	LOG llevInfo, "[ABT] $msg\n";

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