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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.446 by root, Tue Sep 16 16:03:02 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		69
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		71
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		73
49	our %COMMAND = ();	74	our %COMMAND = ();
50	our %COMMAND_TIME = ();	75	our %COMMAND_TIME = ();
51		76
52	our @EXTS = (); # list of extension package names	77	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	78	our %EXTCMD = ();
		79	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	80	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
56		82
57	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
58	our @EVENT;	84	our @EVENT;
59		85
60	our $CONFDIR = confdir;	86	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	87	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	88	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	89	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	90	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	91	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	95	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	96	our $BDBDIR = "$LOCALDIR/db";
		97	our $PIDFILE = "$LOCALDIR/pid";
		98	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		99
		100	our %RESOURCE;
71		101
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	104	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		106
		107	our $BDB_DEADLOCK_WATCHER;
		108	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	109	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	110	our $DB_ENV;
82		111
83	our %CFG;	112	our %CFG;
84		113
85	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
87		117
88	our %PLAYER; # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
91		121
92	# used to convert map paths into valid unix filenames by replacing / by ∕	122	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		124
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	126	our $LOADAVG; # same thing, but with alpha-smoothing
		127	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	128	our $TICK_START; # for load detecting purposes
98		129
99	binmode STDOUT;	130	binmode STDOUT;
100	binmode STDERR;	131	binmode STDERR;
101		132
102	# read virtual server time, if available	133	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	135	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
107	}	138	}
108		139
109	mkdir $_	140	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		186
156	The raw value load value from the last tick.	187	The raw value load value from the last tick.
157		188
158	=item %cf::CFG	189	=item %cf::CFG
159		190
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	192	from wherever your confdir points to.
162		193
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		195
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	197	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		199
		200	=item @cf::INVOKE_RESULTS
		201
		202	This array contains the results of the last C<invoke ()> call. When
		203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		204	that call.
		205
169	=back	206	=back
170		207
171	=cut	208	=cut
172		209
173	BEGIN {	210	BEGIN {
…		…
177	$msg .= "\n"	214	$msg .= "\n"
178	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
179		216
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		218
182	utf8::encode $msg;
183	LOG llevError, $msg;	219	LOG llevError, $msg;
184	};	220	};
185	}	221	}
		222
		223	$Coro::State::DIEHOOK = sub {
		224	return unless $^S eq 0; # "eq", not "=="
		225
		226	if ($Coro::current == $Coro::main) {#d#
		227	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		228	return;#d#
		229	}#d#
		230
		231	# kill coroutine otherwise
		232	warn Carp::longmess $_[0];
		233	Coro::terminate
		234	};
		235
		236	$SIG{__DIE__} = sub { }; #d#?
186		237
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	242	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		243	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	244	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		245
194	# we bless all objects into (empty) derived classes to force a method lookup	246	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	247	# within the Safe compartment.
196	for my $pkg (qw(	248	for my $pkg (qw(
197	cf::global cf::attachable	249	cf::global cf::attachable
198	cf::object cf::object::player	250	cf::object cf::object::player
199	cf::client cf::player	251	cf::client cf::player
200	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
201	cf::map cf::party cf::region	254	cf::party cf::region
202	)) {	255	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	257	}
206		258
207	$Event::DIED = sub {	259	$EV::DIED = sub {
208	warn "error in event callback: @_";	260	warn "error in event callback: @_";
209	};	261	};
		262
		263	#############################################################################
210		264
211	=head2 UTILITY FUNCTIONS	265	=head2 UTILITY FUNCTIONS
212		266
213	=over 4	267	=over 4
214		268
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	288	$d
235	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
236	}	290	}
237		291
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
241		293
242	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
243		295
244	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
245		297
246	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
		299
		300	=cut
		301
		302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		303
		304	sub encode_json($) { $json_coder->encode ($_[0]) }
		305	sub decode_json($) { $json_coder->decode ($_[0]) }
247		306
248	=item cf::lock_wait $string	307	=item cf::lock_wait $string
249		308
250	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
251		310
…		…
254	Wait until the given lock is available and then acquires it and returns	313	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	314	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	315	for example when the coroutine gets canceled), the lock is automatically
257	returned.	316	returned.
258		317
		318	Locks are *not* recursive, locking from the same coro twice results in a
		319	deadlocked coro.
		320
259	Lock names should begin with a unique identifier (for example, cf::map::find	321	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	322	uses map_find and cf::map::load uses map_load).
261		323
262	=item $locked = cf::lock_active $string	324	=item $locked = cf::lock_active $string
263		325
264	Return true if the lock is currently active, i.e. somebody has locked it.	326	Return true if the lock is currently active, i.e. somebody has locked it.
265		327
266	=cut	328	=cut
267		329
268	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
269		332
270	sub lock_wait($) {	333	sub lock_wait($) {
271	my ($key) = @_;	334	my ($key) = @_;
		335
		336	if ($LOCKER{$key} == $Coro::current) {#d#
		337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		338	return;#d#
		339	}#d#
272		340
273	# wait for lock, if any	341	# wait for lock, if any
274	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	344	Coro::schedule;
…		…
282		350
283	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
284	lock_wait $key;	352	lock_wait $key;
285		353
286	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
287		356
288	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
291	}	361	}
292	}	362	}
293		363
…		…
296		366
297	! ! $LOCK{$key}	367	! ! $LOCK{$key}
298	}	368	}
299		369
300	sub freeze_mainloop {	370	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
302		372
303	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
304	$TICK_WATCHER->start;	374	}
		375
		376	=item cf::periodic $interval, $cb
		377
		378	Like EV::periodic, but randomly selects a starting point so that the actions
		379	get spread over timer.
		380
		381	=cut
		382
		383	sub periodic($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
		389	}
		390
		391	=item cf::get_slot $time[, $priority[, $name]]
		392
		393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		394	This call blocks and returns only when you have at least C<$time> seconds
		395	of cpu time till the next tick. The slot is only valid till the next cede.
		396
		397	The optional C<$name> can be used to identify the job to run. It might be
		398	used for statistical purposes and should identify the same time-class.
		399
		400	Useful for short background jobs.
		401
		402	=cut
		403
		404	our @SLOT_QUEUE;
		405	our $SLOT_QUEUE;
		406
		407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
		411	my $signal = new Coro::Signal;
		412
		413	while () {
		414	next_job:
		415	my $avail = cf::till_tick;
		416	if ($avail > 0.01) {
		417	for (0 .. $#SLOT_QUEUE) {
		418	if ($SLOT_QUEUE[$_][0] < $avail) {
		419	my $job = splice @SLOT_QUEUE, $_, 1, ();
		420	$job->[2]->send;
		421	Coro::cede;
		422	goto next_job;
		423	}
		424	}
		425	}
		426
		427	if (@SLOT_QUEUE) {
		428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		429	push @cf::WAIT_FOR_TICK, $signal;
		430	$signal->wait;
		431	} else {
		432	Coro::schedule;
		433	}
305	};	434	}
306	$TICK_WATCHER->stop;	435	};
307	$guard	436
		437	sub get_slot($;$$) {
		438	return if tick_inhibit || $Coro::current == $Coro::main;
		439
		440	my ($time, $pri, $name) = @_;
		441
		442	$time = $TICK * .6 if $time > $TICK * .6;
		443	my $sig = new Coro::Signal;
		444
		445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		447	$SLOT_QUEUE->ready;
		448	$sig->wait;
308	}	449	}
309		450
310	=item cf::async { BLOCK }	451	=item cf::async { BLOCK }
311		452
312	Currently the same as Coro::async_pool, meaning you cannot use	453	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		458
318	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
319		460
320	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
321		462
322	The design of crossfire+ requires that the main coro ($Coro::main) is	463	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	464	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		466	acceptable.
325		467
326	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	470	server will be frozen during this time, so the block should either finish
329	fast or be very important.	471	fast or be very important.
…		…
332		474
333	sub sync_job(&) {	475	sub sync_job(&) {
334	my ($job) = @_;	476	my ($job) = @_;
335		477
336	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	479	my $time = EV::time;
338		480
339	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
341		483
342	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	485
344	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
345		487
346	my $busy = 1;	488	my $busy = 1;
347	my @res;	489	my @res;
348		490
349	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	493	@res = eval { $job->() };
351	warn $@ if $@;	494	warn $@ if $@;
352	undef $busy;	495	undef $busy;
353	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
354		497
355	while ($busy) {	498	while ($busy) {
356	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
357	}	503	}
		504	}
358		505
359	$time = Event::time - $time;	506	my $time = EV::time - $time;
360		507
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	508	$TICK_START += $time; # do not account sync jobs to server load
365		509
366	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
367	} else {	511	} else {
368	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
369		513
…		…
389	$EXT_CORO{$coro+0} = $coro;	533	$EXT_CORO{$coro+0} = $coro;
390		534
391	$coro	535	$coro
392	}	536	}
393		537
394	sub write_runtime {	538	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		539
397	# first touch the runtime file to show we are still running:	540	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	541	process, returning the results. Everything must be serialisable with
		542	Coro::Storable. May, of course, block. Note that the executed sub may
		543	never block itself or use any form of event handling.
399		544
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	545	=cut
401	utime undef, undef, $fh;	546
		547	sub fork_call(&@) {
		548	my ($cb, @args) = @_;
		549
		550	# we seemingly have to make a local copy of the whole thing,
		551	# otherwise perl prematurely frees the stuff :/
		552	# TODO: investigate and fix (likely this will be rather laborious)
		553
		554	my @res = Coro::Util::fork_eval {
		555	reset_signals;
		556	&$cb
		557	}, @args;
		558
		559	wantarray ? @res : $res[-1]
		560	}
		561
		562	=item $coin = coin_from_name $name
		563
		564	=cut
		565
		566	our %coin_alias = (
		567	"silver" => "silvercoin",
		568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
		582
		583	sub coin_from_name($) {
		584	$coin_alias{$_[0]}
		585	? cf::arch::find $coin_alias{$_[0]}
		586	: undef
		587	}
		588
		589	=item $value = cf::db_get $family => $key
		590
		591	Returns a single value from the environment database.
		592
		593	=item cf::db_put $family => $key => $value
		594
		595	Stores the given C<$value> in the family. It can currently store binary
		596	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		597
		598	=item $db = cf::db_table "name"
		599
		600	Create and/or open a new database table. The string must not be "db" and must be unique
		601	within each server.
		602
		603	=cut
		604
		605	sub db_table($) {
		606	my ($name) = @_;
		607	my $db = BDB::db_create $DB_ENV;
		608
		609	eval {
		610	$db->set_flags (BDB::CHKSUM);
		611
		612	utf8::encode $name;
		613	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		614	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		615	cf::cleanup "db_open(db): $!" if $!;
402	}	616	};
		617	cf::cleanup "db_open(db): $@" if $@;
403		618
404	my $guard = cf::lock_acquire "write_runtime";	619	$db
		620	}
405		621
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	622	our $DB;
407	or return;
408		623
409	my $value = $cf::RUNTIME + 90 + 10;	624	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	625	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	626	$DB ||= db_table "db";
		627	};
		628	}
412		629
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	630	sub db_get($$) {
414	and return;	631	my $key = "$_[0]/$_[1]";
415		632
416	# always fsync - this file is important	633	cf::sync_job {
417	aio_fsync $fh	634	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		635
420	# touch it again to show we are up-to-date	636	$! ? ()
421	utime undef, undef, $fh;	637	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	638	}
		639	}
		640
		641	sub db_put($$$) {
		642	BDB::dbreq_pri 4;
		643	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		644	}
		645
		646	=item cf::cache $id => [$paths...], $processversion => $process
		647
		648	Generic caching function that returns the value of the resource $id,
		649	caching and regenerating as required.
		650
		651	This function can block.
		652
		653	=cut
		654
		655	sub cache {
		656	my ($id, $src, $processversion, $process) = @_;
		657
		658	my $meta =
		659	join "\x00",
		660	$processversion,
		661	map {
		662	aio_stat $_
		663	and Carp::croak "$_: $!";
		664
		665	($_, (stat _)[7,9])
		666	} @$src;
		667
		668	my $dbmeta = db_get cache => "$id/meta";
		669	if ($dbmeta ne $meta) {
		670	# changed, we may need to process
		671
		672	my @data;
		673	my $md5;
		674
		675	for (0 .. $#$src) {
		676	0 <= aio_load $src->[$_], $data[$_]
		677	or Carp::croak "$src->[$_]: $!";
		678	}
		679
		680	# if processing is expensive, check
		681	# checksum first
		682	if (1) {
		683	$md5 =
		684	join "\x00",
		685	$processversion,
		686	map {
		687	cf::cede_to_tick;
		688	($src->[$_], Digest::MD5::md5_hex $data[$_])
		689	} 0.. $#$src;
		690
		691
		692	my $dbmd5 = db_get cache => "$id/md5";
		693	if ($dbmd5 eq $md5) {
		694	db_put cache => "$id/meta", $meta;
		695
		696	return db_get cache => "$id/data";
		697	}
		698	}
		699
		700	my $t1 = Time::HiRes::time;
		701	my $data = $process->(\@data);
		702	my $t2 = Time::HiRes::time;
		703
		704	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		705
		706	db_put cache => "$id/data", $data;
		707	db_put cache => "$id/md5" , $md5;
		708	db_put cache => "$id/meta", $meta;
		709
		710	return $data;
		711	}
		712
		713	db_get cache => "$id/data"
432	}	714	}
433		715
434	=item cf::datalog type => key => value, ...	716	=item cf::datalog type => key => value, ...
435		717
436	Log a datalog packet of the given type with the given key-value pairs.	718	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	attach callbacks/event handlers (a collection of which is called an "attachment")	736	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
456		738
457	In the following description, CLASS can be any of C<global>, C<object>	739	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	740	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	741	Deliantra).
460		742
461	=over 4	743	=over 4
462		744
463	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
464		746
…		…
666	_attach $registry, $klass, @attach;	948	_attach $registry, $klass, @attach;
667	}	949	}
668		950
669	$obj->{$name} = \%arg;	951	$obj->{$name} = \%arg;
670	} else {	952	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	953	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	954	}
673		955
674	$obj->{_attachment}{$name} = undef;	956	$obj->{_attachment}{$name} = undef;
675	}	957	}
676		958
…		…
716	";	998	";
717	die if $@;	999	die if $@;
718	}	1000	}
719		1001
720	our $override;	1002	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1003	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		1004
723	sub override {	1005	sub override {
724	$override = 1;	1006	$override = 1;
725	@invoke_results = ();	1007	@INVOKE_RESULTS = (@_);
726	}	1008	}
727		1009
728	sub do_invoke {	1010	sub do_invoke {
729	my $event = shift;	1011	my $event = shift;
730	my $callbacks = shift;	1012	my $callbacks = shift;
731		1013
732	@invoke_results = ();	1014	@INVOKE_RESULTS = ();
733		1015
734	local $override;	1016	local $override;
735		1017
736	for (@$callbacks) {	1018	for (@$callbacks) {
737	eval { &{$_->[1]} };	1019	eval { &{$_->[1]} };
…		…
746	}	1028	}
747		1029
748	0	1030	0
749	}	1031	}
750		1032
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1034
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1036
755	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
756		1038
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1039	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	1040	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1041	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1042
761	=back	1043	=back
762		1044
763	=cut	1045	=cut
764		1046
765	#############################################################################	1047	#############################################################################
766	# object support	1048	# object support
		1049
		1050	sub _object_equal($$);
		1051	sub _object_equal($$) {
		1052	my ($a, $b) = @_;
		1053
		1054	return 0 unless (ref $a) eq (ref $b);
		1055
		1056	if ("HASH" eq ref $a) {
		1057	my @ka = keys %$a;
		1058	my @kb = keys %$b;
		1059
		1060	return 0 if @ka != @kb;
		1061
		1062	for (0 .. $#ka) {
		1063	return 0 unless $ka[$_] eq $kb[$_];
		1064	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1065	}
		1066
		1067	} elsif ("ARRAY" eq ref $a) {
		1068
		1069	return 0 if @$a != @$b;
		1070
		1071	for (0 .. $#$a) {
		1072	return 0 unless _object_equal $a->[$_], $b->[$_];
		1073	}
		1074
		1075	} elsif ($a ne $b) {
		1076	return 0;
		1077	}
		1078
		1079	1
		1080	}
		1081
		1082	our $SLOW_MERGES;#d#
		1083	sub _can_merge {
		1084	my ($ob1, $ob2) = @_;
		1085
		1086	++$SLOW_MERGES;#d#
		1087
		1088	# we do the slow way here
		1089	return _object_equal $ob1, $ob2
		1090	}
767		1091
768	sub reattach {	1092	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1094	my ($obj) = @_;
771		1095
		1096	# no longer needed after getting rid of delete_package?
772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1097	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773		1098
774	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
775		1100
776	@$registry = ();	1101	@$registry = ();
777		1102
…		…
792	cf::attachable->attach (	1117	cf::attachable->attach (
793	prio => -1000000,	1118	prio => -1000000,
794	on_instantiate => sub {	1119	on_instantiate => sub {
795	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
796		1121
797	$data = from_json $data;	1122	$data = decode_json $data;
798		1123
799	for (@$data) {	1124	for (@$data) {
800	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
801		1126
802	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1143	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
820		1145
821	sync_job {	1146	sync_job {
822	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
825		1151
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1156	aio_close $fh;
831		1157
832	if (@$objs) {	1158	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1164	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
840	}	1166	}
841	} else {	1167	} else {
842	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
843	}	1169	}
…		…
848	}	1174	}
849	} else {	1175	} else {
850	aio_unlink $filename;	1176	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
852	}	1178	}
853	}	1179	};
854	}	1180	}
855		1181
856	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
858		1184
…		…
870	or return;	1196	or return;
871		1197
872	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
874	or return;	1200	or return;
		1201
875	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
876	}	1204	}
877		1205
		1206	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
880	return ($data, $av);	1210	($data, $av)
881	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
882		1218
883	#############################################################################	1219	#############################################################################
884	# command handling &c	1220	# command handling &c
885		1221
886	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1236	}
901		1237
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1239
904	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
905		1245
906	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
907	called.	1247	called.
908		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
909	=cut	1260	=cut
910		1261
911	sub register_extcmd {	1262	sub register_extcmd {
912	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
913		1264
914	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
		1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
915	}	1272	}
916		1273
917	cf::player->attach (	1274	cf::player->attach (
918	on_command => sub {	1275	on_command => sub {
919	my ($pl, $name, $params) = @_;	1276	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1285	cf::override;
929	},	1286	},
930	on_extcmd => sub {	1287	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1288	my ($pl, $buf) = @_;
932		1289
933	my $msg = eval { from_json $buf };	1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1291
935	if (ref $msg) {	1292	if (ref $msg) {
		1293	my ($type, $reply, @payload) =
		1294	"ARRAY" eq ref $msg
		1295	? @$msg
		1296	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1297
		1298	my @reply;
		1299
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1300	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1301	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1302	}
		1303
		1304	$pl->ext_reply ($reply, @reply)
		1305	if $reply;
		1306
941	} else {	1307	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1309	}
944		1310
945	cf::override;	1311	cf::override;
946	},	1312	},
947	);	1313	);
948		1314
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1315	sub load_extensions {
		1316	cf::sync_job {
		1317	my %todo;
		1318
984	for my $ext (<$LIBDIR/*.ext>) {	1319	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1320	next unless -r $path;
986	eval {	1321
987	load_extension $ext;	1322	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1323	my $base = $1;
		1324	my $pkg = $1;
		1325	$pkg =~ s/[^[:word:]]/_/g;
		1326	$pkg = "ext::$pkg";
		1327
		1328	open my $fh, "<:utf8", $path
		1329	or die "$path: $!";
		1330
		1331	my $source = do { local $/; <$fh> };
		1332
		1333	my %ext = (
		1334	path => $path,
		1335	base => $base,
		1336	pkg => $pkg,
		1337	);
		1338
		1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1341
		1342	$ext{source} =
		1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1344	. "#line 1 \"$path\"\n{\n"
		1345	. $source
		1346	. "\n};\n1";
		1347
		1348	$todo{$base} = \%ext;
		1349	}
		1350
		1351	my %done;
		1352	while (%todo) {
		1353	my $progress;
		1354
		1355	while (my ($k, $v) = each %todo) {
		1356	for (split /,\s*/, $v->{meta}{depends}) {
		1357	goto skip
		1358	unless exists $done{$_};
		1359	}
		1360
		1361	warn "... loading '$k' into '$v->{pkg}'\n";
		1362
		1363	unless (eval $v->{source}) {
		1364	my $msg = $@ ? "$v->{path}: $@\n"
		1365	: "$v->{base}: extension inactive.\n";
		1366
		1367	if (exists $v->{meta}{mandatory}) {
		1368	warn $msg;
		1369	cf::cleanup "mandatory extension failed to load, exiting.";
		1370	}
		1371
		1372	warn $msg;
		1373	}
		1374
		1375	$done{$k} = delete $todo{$k};
		1376	push @EXTS, $v->{pkg};
		1377	$progress = 1;
988	1	1378	}
989	} or warn "$ext not loaded: $@";	1379
		1380	skip:
		1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1382	unless $progress;
		1383	}
990	}	1384	};
991	}	1385	}
992		1386
993	#############################################################################	1387	#############################################################################
994		1388
		1389	=back
		1390
995	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
996		1392
997	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core crossfire objects.
998		1394
999	=cut	1395	=cut
…		…
1003	use Coro::AIO;	1399	use Coro::AIO;
1004		1400
1005	=head3 cf::player	1401	=head3 cf::player
1006		1402
1007	=over 4	1403	=over 4
		1404
		1405	=item cf::player::num_playing
		1406
		1407	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1408
		1409	=cut
		1410
		1411	sub num_playing {
		1412	scalar grep
		1413	$_->ob->map
		1414	&& !$_->hidden
		1415	&& !$_->ob->flag (cf::FLAG_WIZ),
		1416	cf::player::list
		1417	}
1008		1418
1009	=item cf::player::find $login	1419	=item cf::player::find $login
1010		1420
1011	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
1012		1422
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1458	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1459	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1460	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1461	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1462
1053	my $pl = load_pl path $login	1463	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1464	or return;
		1465
		1466	my $pl = cf::player::load_pl $f
		1467	or return;
		1468
		1469	local $cf::PLAYER_LOADING{$login} = $pl;
		1470	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
1056	}	1472	}
1057	}	1473	}
1058	}	1474	}
1059		1475
…		…
1068	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1069		1485
1070	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
1072		1488
		1489	cf::get_slot 0.01;
		1490
1073	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1074	Coro::cede;	1492	cf::cede_to_tick;
1075	}	1493	}
1076		1494
1077	sub new($) {	1495	sub new($) {
1078	my ($login) = @_;	1496	my ($login) = @_;
1079		1497
…		…
1085	$cf::PLAYER{$login} = $self;	1503	$cf::PLAYER{$login} = $self;
1086		1504
1087	$self	1505	$self
1088	}	1506	}
1089		1507
		1508	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1509
		1510	=cut
		1511
		1512	sub send_msg {
		1513	my $ns = shift->ns
		1514	or return;
		1515	$ns->send_msg (@_);
		1516	}
		1517
1090	=item $pl->quit_character	1518	=item $pl->quit_character
1091		1519
1092	Nukes the player without looking back. If logged in, the connection will	1520	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1521	be destroyed. May block for a long time.
1094		1522
…		…
1098	my ($pl) = @_;	1526	my ($pl) = @_;
1099		1527
1100	my $name = $pl->ob->name;	1528	my $name = $pl->ob->name;
1101		1529
1102	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1103	$pl->password ("*"); # this should lock out the player until we nuked the dir	1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1104		1532
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1109		1539
1110	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1577	or return [];
1148		1578
1149	my @logins;	1579	my @logins;
1150		1580
1151	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
		1582	my $path = path $login;
		1583
		1584	# a .pst is a dead give-away for a valid player
		1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1155		1591
1156	utf8::decode $login;	1592	utf8::decode $login;
1157	push @logins, $login;	1593	push @logins, $login;
1158	}	1594	}
1159		1595
…		…
1186	}	1622	}
1187		1623
1188	\@paths	1624	\@paths
1189	}	1625	}
1190		1626
		1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1628
		1629	Expand crossfire pod fragments into protocol xml.
		1630
1191	=item $player->ext_reply ($msgid, %msg)	1631	=item $player->ext_reply ($msgid, @msg)
1192		1632
1193	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1194		1634
1195	=cut	1635	=cut
1196		1636
1197	sub ext_reply($$%) {	1637	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1638	my ($self, $id, @msg) = @_;
1199		1639
1200	$msg{msgid} = $id;	1640	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1641	}
1204		1642
1205	=item $player->ext_event ($type, %msg)	1643	=item $player->ext_msg ($type, @msg)
1206		1644
1207	Sends an ext event to the client.	1645	Sends an ext event to the client.
1208		1646
1209	=cut	1647	=cut
1210		1648
1211	sub ext_event($$%) {	1649	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1650	my ($self, $type, @msg) = @_;
1213		1651
1214	$self->ns->ext_event ($type, %msg);	1652	$self->ns->ext_msg ($type, @msg);
1215	}	1653	}
1216		1654
1217	=head3 cf::region	1655	=head3 cf::region
1218		1656
1219	=over 4	1657	=over 4
…		…
1222		1660
1223	package cf::region;	1661	package cf::region;
1224		1662
1225	=item cf::region::find_by_path $path	1663	=item cf::region::find_by_path $path
1226		1664
1227	Tries to decuce the probable region for a map knowing only its path.	1665	Tries to decuce the likely region for a map knowing only its path.
1228		1666
1229	=cut	1667	=cut
1230		1668
1231	sub find_by_path($) {	1669	sub find_by_path($) {
1232	my ($path) = @_;	1670	my ($path) = @_;
1233		1671
1234	my ($match, $specificity);	1672	my ($match, $specificity);
1235		1673
1236	for my $region (list) {	1674	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1675	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1676	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1677	if $region->specificity > $specificity;
1240	}	1678	}
1241	}	1679	}
1242		1680
…		…
1263	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1265		1703
1266	sub generate_random_map {	1704	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1705	my ($self, $rmp) = @_;
		1706
		1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1708
1268	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1710	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1306	my ($self, $merge) = @_;	1747	my ($self, $merge) = @_;
1307		1748
1308	# we have to keep some variables in memory intact	1749	# we have to keep some variables in memory intact
1309	local $self->{path};	1750	local $self->{path};
1310	local $self->{load_path};	1751	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1752
1314	$self->SUPER::thawer_merge ($merge);	1753	$self->SUPER::thawer_merge ($merge);
1315	}	1754	}
1316		1755
1317	sub normalise {	1756	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1803	$self->init; # pass $1 etc.
1365	return $self;	1804	return $self;
1366	}	1805	}
1367	}	1806	}
1368		1807
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1808	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1809	()
1371	}	1810	}
1372		1811
1373	sub init {	1812	sub init {
1374	my ($self) = @_;	1813	my ($self) = @_;
…		…
1396		1835
1397	# the temporary/swap location	1836	# the temporary/swap location
1398	sub save_path {	1837	sub save_path {
1399	my ($self) = @_;	1838	my ($self) = @_;
1400		1839
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1841	"$TMPDIR/$path.map"
1403	}	1842	}
1404		1843
1405	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1406	sub uniq_path {	1845	sub uniq_path {
1407	my ($self) = @_;	1846	my ($self) = @_;
1408		1847
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1849	"$UNIQUEDIR/$path"
1411	}	1850	}
1412		1851
1413	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1414	# all maps in C++...	1853	# all maps in C++...
…		…
1417		1856
1418	$_->change_map_light ($change)	1857	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1858	for grep $_->outdoor, values %cf::MAP;
1420	}	1859	}
1421		1860
		1861	sub decay_objects {
		1862	my ($self) = @_;
		1863
		1864	return if $self->{deny_reset};
		1865
		1866	$self->do_decay_objects;
		1867	}
		1868
1422	sub unlink_save {	1869	sub unlink_save {
1423	my ($self) = @_;	1870	my ($self) = @_;
1424		1871
1425	utf8::encode (my $save = $self->save_path);	1872	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1873	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1876
1430	sub load_header_from($) {	1877	sub load_header_from($) {
1431	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1432		1879
1433	utf8::encode $path;	1880	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1882	or return;
		1883
		1884	$self->_load_header ($f)
		1885	or return;
		1886
		1887	local $MAP_LOADING{$self->{path}} = $self;
		1888	$f->resolve_delayed_derefs;
1439		1889
1440	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1441		1891
1442	1	1892	1
1443	}	1893	}
…		…
1482	$self->load_header_orig	1932	$self->load_header_orig
1483	or return;	1933	or return;
1484	$self->prepare_orig;	1934	$self->prepare_orig;
1485	}	1935	}
1486		1936
		1937	$self->{deny_reset} = 1
		1938	if $self->no_reset;
		1939
1487	$self->default_region (cf::region::find_by_path $self->{path})	1940	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1941	unless $self->default_region;
1489		1942
1490	1	1943	1
1491	}	1944	}
…		…
1494	sub find {	1947	sub find {
1495	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1496		1949
1497	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1498		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1500		1954
1501	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1502	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1503	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1504	or return;	1960	or return;
1505		1961
1506	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1507		1963
1508	$map->load_header	1964	$map->load_header
1509	or return;	1965	or return;
1510		1966
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1514	$map->reset;	1972	$map->reset;
1515	undef $guard;
1516	return find $path;	1973	return find $path;
1517	}	1974	}
1518		1975
1519	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1520	}	1977	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1530		1987
1531	my $path = $self->{path};	1988	my $path = $self->{path};
1532		1989
1533	{	1990	{
1534	my $guard = cf::lock_acquire "map_load:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1535		1992
		1993	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		1995
1538	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1539		1997
1540	$self->alloc;	1998	$self->alloc;
1541		1999
1542	$self->pre_load;	2000	$self->pre_load;
1543	Coro::cede;	2001	cf::cede_to_tick;
1544		2002
		2003	my $f = new_from_file cf::object::thawer $self->{load_path};
		2004	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2005	$self->_load_objects ($f)
1546	or return;	2006	or return;
1547		2007
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1549	if delete $self->{load_original};	2009	if delete $self->{load_original};
1550		2010
1551	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2012	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2015	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1556	}	2019	}
1557	}	2020	}
1558		2021
1559	Coro::cede;	2022	$f->resolve_delayed_derefs;
		2023
		2024	cf::cede_to_tick;
1560	# now do the right thing for maps	2025	# now do the right thing for maps
1561	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2028	unless $self->difficulty;
1564	Coro::cede;	2029	cf::cede_to_tick;
1565		2030
1566	unless ($self->{deny_activate}) {	2031	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2032	$self->decay_objects;
1568	$self->fix_auto_apply;	2033	$self->fix_auto_apply;
1569	$self->update_buttons;	2034	$self->update_buttons;
1570	Coro::cede;	2035	cf::cede_to_tick;
1571	$self->set_darkness_map;	2036	$self->set_darkness_map;
1572	Coro::cede;	2037	cf::cede_to_tick;
1573	$self->activate;	2038	$self->activate;
1574	}	2039	}
1575		2040
		2041	$self->{last_save} = $cf::RUNTIME;
		2042	$self->last_access ($cf::RUNTIME);
		2043
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2044	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2045	}
1578		2046
1579	$self->post_load;	2047	$self->post_load;
1580	}	2048	}
1581		2049
…		…
1583	my ($self, $ob) = @_;	2051	my ($self, $ob) = @_;
1584		2052
1585	return find "~" . $ob->name . "/" . $self->{path}	2053	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2054	if $self->per_player;
1587		2055
		2056	# return find "?party/" . $ob->name . "/" . $self->{path}
		2057	# if $self->per_party;
		2058
1588	$self	2059	$self
1589	}	2060	}
1590		2061
1591	# find and load all maps in the 3x3 area around a map	2062	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2063	sub load_neighbours {
1593	my ($map) = @_;	2064	my ($map) = @_;
1594		2065
1595	my @diag; # diagonal neighbours	2066	my @neigh; # diagonal neighbours
1596		2067
1597	for (0 .. 3) {	2068	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2069	my $neigh = $map->tile_path ($_)
1599	or next;	2070	or next;
1600	$neigh = find $neigh, $map	2071	$neigh = find $neigh, $map
1601	or next;	2072	or next;
1602	$neigh->load;	2073	$neigh->load;
1603		2074
		2075	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2078	}
1607		2079
1608	for (@diag) {	2080	for (grep defined $_->[0], @neigh) {
		2081	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2082	my $neigh = find $path, $origin
1610	or next;	2083	or next;
1611	$neigh->load;	2084	$neigh->load;
1612	}	2085	}
1613	}	2086	}
1614		2087
…		…
1619	}	2092	}
1620		2093
1621	sub do_load_sync {	2094	sub do_load_sync {
1622	my ($map) = @_;	2095	my ($map) = @_;
1623		2096
		2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2098	if $Coro::current == $Coro::main;
		2099
1624	cf::sync_job { $map->load };	2100	cf::sync_job { $map->load };
1625	}	2101	}
1626		2102
1627	our %MAP_PREFETCH;	2103	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2104	our $MAP_PREFETCHER = undef;
1629		2105
1630	sub find_async {	2106	sub find_async {
1631	my ($path, $origin) = @_;	2107	my ($path, $origin, $load) = @_;
1632		2108
1633	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1634		2110
1635	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2113	}
1638		2114
1639	undef $MAP_PREFETCH{$path};	2115	$MAP_PREFETCH{$path} |= $load;
		2116
1640	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1641	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2122	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2123	$map->load if $v;
		2124	}
1646		2125
1647	delete $MAP_PREFETCH{$path};	2126	delete $MAP_PREFETCH{$k};
1648	}	2127	}
1649	}	2128	}
1650	undef $MAP_PREFETCHER;	2129	undef $MAP_PREFETCHER;
1651	};	2130	};
1652	$MAP_PREFETCHER->prio (6);	2131	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2134	}
1656		2135
1657	sub save {	2136	sub save {
1658	my ($self) = @_;	2137	my ($self) = @_;
1659		2138
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2140
1662	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1663		2142
1664	return unless $self->dirty;	2143	return unless $self->dirty;
1665		2144
…		…
1671	return if $self->{deny_save};	2150	return if $self->{deny_save};
1672		2151
1673	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
1674		2153
1675	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
1677	};	2157	};
		2158
		2159	cf::get_slot 0.02;
1678		2160
1679	if ($uniq) {	2161	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2164	} else {
…		…
1688	my ($self) = @_;	2170	my ($self) = @_;
1689		2171
1690	# save first because save cedes	2172	# save first because save cedes
1691	$self->save;	2173	$self->save;
1692		2174
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2176
1695	return if $self->players;	2177	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
1697	return if $self->{deny_save};	2179	return if $self->{deny_save};
1698		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2185	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2186	}
1702		2187
1703	sub reset_at {	2188	sub reset_at {
1704	my ($self) = @_;	2189	my ($self) = @_;
1705		2190
1706	# TODO: safety, remove and allow resettable per-player maps	2191	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2192	return 1e99 if $self->{deny_reset};
1709		2193
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2195	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2196
…		…
1723	my ($self) = @_;	2207	my ($self) = @_;
1724		2208
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2210
1727	return if $self->players;	2211	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2212
1730	warn "resetting map ", $self->path;#d#	2213	warn "resetting map ", $self->path;
1731		2214
1732	$self->in_memory (cf::MAP_SWAPPED);	2215	$self->in_memory (cf::MAP_SWAPPED);
1733		2216
1734	# need to save uniques path	2217	# need to save uniques path
1735	unless ($self->{deny_save}) {	2218	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2222	if $uniq;
1740	}	2223	}
1741		2224
1742	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
1743		2226
		2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2229	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2230
1748	$self->unlink_save;	2231	$self->unlink_save;
1749	$self->destroy;	2232	$self->destroy;
1750	}	2233	}
1751		2234
1752	my $nuke_counter = "aaaa";	2235	my $nuke_counter = "aaaa";
1753		2236
1754	sub nuke {	2237	sub nuke {
1755	my ($self) = @_;	2238	my ($self) = @_;
1756		2239
		2240	{
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1757	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1758		2244
1759	$self->unlink_save;	2245	$self->unlink_save;
1760		2246
1761	bless $self, "cf::map";	2247	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2248	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2249	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2250	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2252
1767	$cf::MAP{$self->path} = $self;	2253	$cf::MAP{$self->path} = $self;
		2254	}
1768		2255
1769	$self->reset; # polite request, might not happen	2256	$self->reset; # polite request, might not happen
		2257	}
		2258
		2259	=item $maps = cf::map::tmp_maps
		2260
		2261	Returns an arrayref with all map paths of currently instantiated and saved
		2262	maps. May block.
		2263
		2264	=cut
		2265
		2266	sub tmp_maps() {
		2267	[
		2268	map {
		2269	utf8::decode $_;
		2270	/\.map$/
		2271	? normalise $_
		2272	: ()
		2273	} @{ aio_readdir $TMPDIR or [] }
		2274	]
		2275	}
		2276
		2277	=item $maps = cf::map::random_maps
		2278
		2279	Returns an arrayref with all map paths of currently instantiated and saved
		2280	random maps. May block.
		2281
		2282	=cut
		2283
		2284	sub random_maps() {
		2285	[
		2286	map {
		2287	utf8::decode $_;
		2288	/\.map$/
		2289	? normalise "?random/$_"
		2290	: ()
		2291	} @{ aio_readdir $RANDOMDIR or [] }
		2292	]
1770	}	2293	}
1771		2294
1772	=item cf::map::unique_maps	2295	=item cf::map::unique_maps
1773		2296
1774	Returns an arrayref of paths of all shared maps that have	2297	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2298	instantiated unique items. May block.
1776		2299
1777	=cut	2300	=cut
1778		2301
1779	sub unique_maps() {	2302	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2303	[
1781	or return;	2304	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2305	utf8::decode $_;
1787	next if /\.pst$/;	2306	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2308	? ()
1790	push @paths, cf::map::normalise $_;	2309	: normalise $_
		2310	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2311	]
1792
1793	\@paths
1794	}	2312	}
1795
1796	package cf;
1797		2313
1798	=back	2314	=back
1799		2315
1800	=head3 cf::object	2316	=head3 cf::object
1801		2317
…		…
1805		2321
1806	=over 4	2322	=over 4
1807		2323
1808	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
1809		2325
1810	Returns the inventory of the object _and_ their inventories, recursively.	2326	Returns the inventory of the object I<and> their inventories, recursively,
		2327	but I<not> the object itself.
1811		2328
1812	=cut	2329	=cut
1813		2330
1814	sub inv_recursive_;	2331	sub inv_recursive_;
1815	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
1818		2335
1819	sub inv_recursive {	2336	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
1821	}	2338	}
1822		2339
		2340	=item $ref = $ob->ref
		2341
		2342	Creates and returns a persistent reference to an object that can be stored as a string.
		2343
		2344	=item $ob = cf::object::deref ($refstring)
		2345
		2346	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2347	even if the object actually exists. May block.
		2348
		2349	=cut
		2350
		2351	sub deref {
		2352	my ($ref) = @_;
		2353
		2354	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2355	my ($uuid, $name) = ($1, $2);
		2356	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2357	or return;
		2358	$pl->ob->uuid eq $uuid
		2359	or return;
		2360
		2361	$pl->ob
		2362	} else {
		2363	warn "$ref: cannot resolve object reference\n";
		2364	undef
		2365	}
		2366	}
		2367
1823	package cf;	2368	package cf;
1824		2369
1825	=back	2370	=back
1826		2371
1827	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2378	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2379	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
1836		2381
1837	=cut	2382	=cut
		2383
		2384	our $SAY_CHANNEL = {
		2385	id => "say",
		2386	title => "Map",
		2387	reply => "say ",
		2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2389	};
		2390
		2391	our $CHAT_CHANNEL = {
		2392	id => "chat",
		2393	title => "Chat",
		2394	reply => "chat ",
		2395	tooltip => "Player chat and shouts, global to the server.",
		2396	};
1838		2397
1839	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2399	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2400	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
1844		2403
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2404	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2405
1847	if ($self->{record_replies}) {	2406	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2407	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2408
1849	} else {	2409	} else {
		2410	my $pl = $self->contr;
		2411
		2412	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2413	my $dialog = $pl->{npc_dialog};
		2414	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2415
		2416	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2419	}
1852	}	2420	}
		2421	}
		2422
		2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2424
		2425	=cut
		2426
		2427	sub cf::object::send_msg {
		2428	my $pl = shift->contr
		2429	or return;
		2430	$pl->send_msg (@_);
1853	}	2431	}
1854		2432
1855	=item $player_object->may ("access")	2433	=item $player_object->may ("access")
1856		2434
1857	Returns wether the given player is authorized to access resource "access"	2435	Returns wether the given player is authorized to access resource "access"
…		…
1870		2448
1871	=item $player_object->enter_link	2449	=item $player_object->enter_link
1872		2450
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2451	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2452
1875	The player should be reasonably safe there for short amounts of time. You	2453	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2455	though, as the palyer cannot control the character while it is on the link
		2456	map.
1877		2457
1878	Will never block.	2458	Will never block.
1879		2459
1880	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
1881		2461
…		…
1904	$self->deactivate_recursive;	2484	$self->deactivate_recursive;
1905		2485
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2486	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2487
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2489	if $self->map && $self->map->{path} ne "{link}";
1910		2490
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2491	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2492	}
1913		2493
1914	sub cf::object::player::leave_link {	2494	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2495	my ($self, $map, $x, $y) = @_;
		2496
		2497	return unless $self->contr->active;
1916		2498
1917	my $link_pos = delete $self->{_link_pos};	2499	my $link_pos = delete $self->{_link_pos};
1918		2500
1919	unless ($map) {	2501	unless ($map) {
1920	# restore original map position	2502	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2516	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2517	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2518	if $x <=0 && $y <= 0;
1937		2519
1938	$map->load;	2520	$map->load;
1939	$map->load_diag;	2521	$map->load_neighbours;
1940		2522
1941	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1942	$self->activate_recursive;	2525	$self->activate_recursive;
1943		2526
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1946	}	2529	}
1947		2530
1948	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949	on_logout => sub {
1950	my ($pl) = @_;
1951		2532
1952	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1953	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1954	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1955	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1956	};	2537	be called at the end of this process.
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2538
1962	# try to abort aborted map switching on player login :)	2539	Note that $check will be called with a potentially non-loaded map, so if
1963	# should happen only on crashes	2540	it needs a loaded map it has to call C<< ->load >>.
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979		2541
1980	=item $player_object->goto ($path, $x, $y)
1981
1982	=cut	2542	=cut
		2543
		2544	our $GOTOGEN;
1983		2545
1984	sub cf::object::player::goto {	2546	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2547	my ($self, $path, $x, $y, $check, $done) = @_;
		2548
		2549	# do generation counting so two concurrent goto's will be executed in-order
		2550	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2551
1987	$self->enter_link;	2552	$self->enter_link;
1988		2553
1989	(async {	2554	(async {
		2555	$Coro::current->{desc} = "player::goto $path $x $y";
		2556
		2557	# *tag paths override both path and x|y
		2558	if ($path =~ /^\*(.*)$/) {
		2559	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2560	my $ob = $obs[rand @obs];
		2561
		2562	# see if we actually can go there
		2563	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2564	$ob = $obs[rand @obs];
		2565	} else {
		2566	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2567	}
		2568	# else put us there anyways for now #d#
		2569
		2570	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2571	} else {
		2572	($path, $x, $y) = (undef, undef, undef);
		2573	}
		2574	}
		2575
1990	my $map = eval {	2576	my $map = eval {
1991	my $map = cf::map::find $path;	2577	my $map = defined $path ? cf::map::find $path : undef;
		2578
		2579	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2580	$map = $map->customise_for ($self);
		2581	$map = $check->($map) if $check && $map;
		2582	} else {
		2583	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2584	}
		2585
1993	$map	2586	$map
		2587	};
		2588
		2589	if ($@) {
		2590	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2591	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2592	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2593
		2594	if ($gen == $self->{_goto_generation}) {
		2595	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2596	$self->leave_link ($map, $x, $y);
		2597	}
		2598
		2599	$done->() if $done;
1998	})->prio (1);	2600	})->prio (1);
1999	}	2601	}
2000		2602
2001	=item $player_object->enter_exit ($exit_object)	2603	=item $player_object->enter_exit ($exit_object)
2002		2604
…		…
2022	}	2624	}
2023		2625
2024	sub prepare_random_map {	2626	sub prepare_random_map {
2025	my ($exit) = @_;	2627	my ($exit) = @_;
2026		2628
2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
2030	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
2031	# that depends on the exit object	2631	# that depends on the exit object
2032		2632
2033	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
2035	if ($exit->map) {	2635	if ($exit->map) {
2036	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
2037	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
2038	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
2039	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
2040	}	2642	}
2041		2643
2042	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
2043		2645
2044	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
2047		2649
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
2050	undef $fh;	2652	undef $fh;
2051	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
2052		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
2053	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
2054	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
2055	}	2661	}
2056	}	2662	}
2057		2663
2058	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
2059	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
2060		2666
2061	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
2062		2668
2063	if ($exit->slaying eq "/!") {
2064	#TODO: this should de-fi-ni-te-ly not be a sync-job
2065	# the problem is that $exit might not survive long enough
2066	# so it needs to be done right now, right here
2067	cf::sync_job { prepare_random_map $exit };
2068	}
2069
2070	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2071	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;
2073
2074	$self->enter_link;	2669	$self->enter_link;
2075		2670
2076	(async {	2671	(async {
2077	$self->deactivate_recursive; # just to be sure	2672	$Coro::current->{desc} = "enter_exit";
		2673
2078	unless (eval {	2674	unless (eval {
		2675	$self->deactivate_recursive; # just to be sure
		2676
		2677	# random map handling
		2678	{
		2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2680
		2681	prepare_random_map $exit
		2682	if $exit->slaying eq "/!";
		2683	}
		2684
		2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2686	my $x = $exit->stats->hp;
		2687	my $y = $exit->stats->sp;
		2688
2079	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
2080		2690
		2691	# if exit is damned, update players death & WoR home-position
		2692	$self->contr->savebed ($map, $x, $y)
		2693	if $exit->flag (cf::FLAG_DAMNED);
		2694
2081	1;	2695	1
2082	}) {	2696	}) {
2083	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the crossfire server. "
2084	. "I'll try to bring you back to the map you were before. "	2698	. "I'll try to bring you back to the map you were before. "
2085	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
2086	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2107		2721
2108	utf8::encode $text;	2722	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2724	}
2111		2725
		2726	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2727
		2728	Send a drawinfo or msg packet to the client, formatting the msg for the
		2729	client if neccessary. C<$type> should be a string identifying the type of
		2730	the message, with C<log> being the default. If C<$color> is negative, suppress
		2731	the message unless the client supports the msg packet.
		2732
		2733	=cut
		2734
		2735	# non-persistent channels (usually the info channel)
		2736	our %CHANNEL = (
		2737	"c/identify" => {
		2738	id => "infobox",
		2739	title => "Identify",
		2740	reply => undef,
		2741	tooltip => "Items recently identified",
		2742	},
		2743	"c/examine" => {
		2744	id => "infobox",
		2745	title => "Examine",
		2746	reply => undef,
		2747	tooltip => "Signs and other items you examined",
		2748	},
		2749	"c/book" => {
		2750	id => "infobox",
		2751	title => "Book",
		2752	reply => undef,
		2753	tooltip => "The contents of a note or book",
		2754	},
		2755	"c/lookat" => {
		2756	id => "infobox",
		2757	title => "Look",
		2758	reply => undef,
		2759	tooltip => "What you saw there",
		2760	},
		2761	"c/who" => {
		2762	id => "infobox",
		2763	title => "Players",
		2764	reply => undef,
		2765	tooltip => "Shows players who are currently online",
		2766	},
		2767	"c/body" => {
		2768	id => "infobox",
		2769	title => "Body Parts",
		2770	reply => undef,
		2771	tooltip => "Shows which body parts you posess and are available",
		2772	},
		2773	"c/uptime" => {
		2774	id => "infobox",
		2775	title => "Uptime",
		2776	reply => undef,
		2777	tooltip => "How long the server has been running since last restart",
		2778	},
		2779	"c/mapinfo" => {
		2780	id => "infobox",
		2781	title => "Map Info",
		2782	reply => undef,
		2783	tooltip => "Information related to the maps",
		2784	},
		2785	"c/party" => {
		2786	id => "party",
		2787	title => "Party",
		2788	reply => "gsay ",
		2789	tooltip => "Messages and chat related to your party",
		2790	},
		2791	);
		2792
		2793	sub cf::client::send_msg {
		2794	my ($self, $channel, $msg, $color, @extra) = @_;
		2795
		2796	$msg = $self->pl->expand_cfpod ($msg);
		2797
		2798	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2799
		2800	# check predefined channels, for the benefit of C
		2801	if ($CHANNEL{$channel}) {
		2802	$channel = $CHANNEL{$channel};
		2803
		2804	$self->ext_msg (channel_info => $channel)
		2805	if $self->can_msg;
		2806
		2807	$channel = $channel->{id};
		2808
		2809	} elsif (ref $channel) {
		2810	# send meta info to client, if not yet sent
		2811	unless (exists $self->{channel}{$channel->{id}}) {
		2812	$self->{channel}{$channel->{id}} = $channel;
		2813	$self->ext_msg (channel_info => $channel)
		2814	if $self->can_msg;
		2815	}
		2816
		2817	$channel = $channel->{id};
		2818	}
		2819
		2820	return unless @extra || length $msg;
		2821
		2822	if ($self->can_msg) {
		2823	# default colour, mask it out
		2824	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2825	if $color & cf::NDI_DEF;
		2826
		2827	my $pkt = "msg "
		2828	. $self->{json_coder}->encode (
		2829	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2830	);
		2831
		2832	# try lzf for large packets
		2833	$pkt = "lzf " . Compress::LZF::compress $pkt
		2834	if 1024 <= length $pkt and $self->{can_lzf};
		2835
		2836	# split very large packets
		2837	if (8192 < length $pkt and $self->{can_lzf}) {
		2838	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2839	$pkt = "frag";
		2840	}
		2841
		2842	$self->send_packet ($pkt);
		2843	} else {
		2844	if ($color >= 0) {
		2845	# replace some tags by gcfclient-compatible ones
		2846	for ($msg) {
		2847	1 while
		2848	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2849	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2850	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2851	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2852	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2853	}
		2854
		2855	$color &= cf::NDI_COLOR_MASK;
		2856
		2857	utf8::encode $msg;
		2858
		2859	if (0 && $msg =~ /\[/) {
		2860	# COMMAND/INFO
		2861	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2862	} else {
		2863	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2864	$self->send_packet ("drawinfo $color $msg")
		2865	}
		2866	}
		2867	}
		2868	}
		2869
2112	=item $client->ext_event ($type, %msg)	2870	=item $client->ext_msg ($type, @msg)
2113		2871
2114	Sends an exti event to the client.	2872	Sends an ext event to the client.
2115		2873
2116	=cut	2874	=cut
2117		2875
2118	sub cf::client::ext_event($$%) {	2876	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2877	my ($self, $type, @msg) = @_;
2120		2878
		2879	if ($self->extcmd == 2) {
		2880	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2881	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2882	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	2883	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2884	}
		2885	}
		2886
		2887	=item $client->ext_reply ($msgid, @msg)
		2888
		2889	Sends an ext reply to the client.
		2890
		2891	=cut
		2892
		2893	sub cf::client::ext_reply($$@) {
		2894	my ($self, $id, @msg) = @_;
		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2898	} elsif ($self->extcmd == 1) {
		2899	#TODO: version 1, remove
		2900	unshift @msg, msgtype => "reply", msgid => $id;
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2902	}
2123	}	2903	}
2124		2904
2125	=item $success = $client->query ($flags, "text", \&cb)	2905	=item $success = $client->query ($flags, "text", \&cb)
2126		2906
2127	Queues a query to the client, calling the given callback with	2907	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2908	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2909	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		2910
2131	Queries can fail, so check the return code. Or don't, as queries will become	2911	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	2912	become reliable at some point in the future.
2133		2913
2134	=cut	2914	=cut
2135		2915
2136	sub cf::client::query {	2916	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2917	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2925	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2926	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2927
2148	$self->send_packet ($self->{query_queue}[0][0])	2928	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2929	if @{ $self->{query_queue} } == 1;
		2930
		2931	1
2150	}	2932	}
2151		2933
2152	cf::client->attach (	2934	cf::client->attach (
		2935	on_connect => sub {
		2936	my ($ns) = @_;
		2937
		2938	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2939	},
2153	on_reply => sub {	2940	on_reply => sub {
2154	my ($ns, $msg) = @_;	2941	my ($ns, $msg) = @_;
2155		2942
2156	# this weird shuffling is so that direct followup queries	2943	# this weird shuffling is so that direct followup queries
2157	# get handled first	2944	# get handled first
…		…
2169	} else {	2956	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2957	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	2958	}
2172	}	2959	}
2173	},	2960	},
		2961	on_exticmd => sub {
		2962	my ($ns, $buf) = @_;
		2963
		2964	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2965
		2966	if (ref $msg) {
		2967	my ($type, $reply, @payload) =
		2968	"ARRAY" eq ref $msg
		2969	? @$msg
		2970	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2971
		2972	my @reply;
		2973
		2974	if (my $cb = $EXTICMD{$type}) {
		2975	@reply = $cb->($ns, @payload);
		2976	}
		2977
		2978	$ns->ext_reply ($reply, @reply)
		2979	if $reply;
		2980
		2981	} else {
		2982	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2983	}
		2984
		2985	cf::override;
		2986	},
2174	);	2987	);
2175		2988
2176	=item $client->async (\&cb)	2989	=item $client->async (\&cb)
2177		2990
2178	Create a new coroutine, running the specified callback. The coroutine will	2991	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	3032	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3033	our $safe_hole = new Safe::Hole;
2221		3034
2222	$SIG{FPE} = 'IGNORE';	3035	$SIG{FPE} = 'IGNORE';
2223		3036
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3037	$safe->permit_only (Opcode::opset qw(
		3038	:base_core :base_mem :base_orig :base_math
		3039	grepstart grepwhile mapstart mapwhile
		3040	sort time
		3041	));
2225		3042
2226	# here we export the classes and methods available to script code	3043	# here we export the classes and methods available to script code
2227		3044
2228	=pod	3045	=pod
2229		3046
2230	The following functions and methods are available within a safe environment:	3047	The following functions and methods are available within a safe environment:
2231		3048
2232	cf::object contr pay_amount pay_player map	3049	cf::object
		3050	contr pay_amount pay_player map x y force_find force_add destroy
		3051	insert remove name archname title slaying race decrease split
		3052
2233	cf::object::player player	3053	cf::object::player
2234	cf::player peaceful	3054	player
2235	cf::map trigger	3055
		3056	cf::player
		3057	peaceful
		3058
		3059	cf::map
		3060	trigger
2236		3061
2237	=cut	3062	=cut
2238		3063
2239	for (	3064	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3065	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3066	insert remove inv nrof name archname title slaying race
		3067	decrease split destroy change_exp)],
2241	["cf::object::player" => qw(player)],	3068	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3069	["cf::player" => qw(peaceful)],
2243	["cf::map" => qw(trigger)],	3070	["cf::map" => qw(trigger)],
2244	) {	3071	) {
2245	no strict 'refs';	3072	no strict 'refs';
…		…
2316	=back	3143	=back
2317		3144
2318	=cut	3145	=cut
2319		3146
2320	#############################################################################	3147	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	3148	# the server's init and main functions
2496		3149
2497	sub load_facedata($) {	3150	sub load_facedata($) {
2498	my ($path) = @_;	3151	my ($path) = @_;
		3152
		3153	# HACK to clear player env face cache, we need some signal framework
		3154	# for this (global event?)
		3155	%ext::player_env::MUSIC_FACE_CACHE = ();
		3156
		3157	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499		3158
2500	warn "loading facedata from $path\n";	3159	warn "loading facedata from $path\n";
2501		3160
2502	my $facedata;	3161	my $facedata;
2503	0 < aio_load $path, $facedata	3162	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3165	$facedata = Coro::Storable::thaw $facedata;
2507		3166
2508	$facedata->{version} == 2	3167	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3168	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3169
		3170	# patch in the exptable
		3171	$facedata->{resource}{"res/exp_table"} = {
		3172	type => FT_RSRC,
		3173	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3174	};
		3175	cf::cede_to_tick;
		3176
2511	{	3177	{
2512	my $faces = $facedata->{faceinfo};	3178	my $faces = $facedata->{faceinfo};
2513		3179
2514	while (my ($face, $info) = each %$faces) {	3180	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3181	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3182
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3183	cf::face::set_visibility $idx, $info->{visibility};
		3184	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3185	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3186	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	3187
		3188	cf::cede_to_tick;
2520	}	3189	}
2521		3190
2522	while (my ($face, $info) = each %$faces) {	3191	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3192	next unless $info->{smooth};
		3193
2524	my $idx = cf::face::find $face	3194	my $idx = cf::face::find $face
2525	or next;	3195	or next;
		3196
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3197	if (my $smooth = cf::face::find $info->{smooth}) {
		3198	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3199	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3200	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3201	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3202	}
2531	Coro::cede;	3203
		3204	cf::cede_to_tick;
2532	}	3205	}
2533	}	3206	}
2534		3207
2535	{	3208	{
2536	my $anims = $facedata->{animinfo};	3209	my $anims = $facedata->{animinfo};
2537		3210
2538	while (my ($anim, $info) = each %$anims) {	3211	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3212	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3213	cf::cede_to_tick;
2541	}	3214	}
2542		3215
2543	cf::anim::invalidate_all; # d'oh	3216	cf::anim::invalidate_all; # d'oh
2544	}	3217	}
2545		3218
		3219	{
		3220	# TODO: for gcfclient pleasure, we should give resources
		3221	# that gcfclient doesn't grok a >10000 face index.
		3222	my $res = $facedata->{resource};
		3223
		3224	while (my ($name, $info) = each %$res) {
		3225	if (defined $info->{type}) {
		3226	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3227	my $data;
		3228
		3229	if ($info->{type} & 1) {
		3230	# prepend meta info
		3231
		3232	my $meta = $enc->encode ({
		3233	name => $name,
		3234	%{ $info->{meta} || {} },
		3235	});
		3236
		3237	$data = pack "(w/a*)*", $meta, $info->{data};
		3238	} else {
		3239	$data = $info->{data};
		3240	}
		3241
		3242	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3243	cf::face::set_type $idx, $info->{type};
		3244	} else {
		3245	$RESOURCE{$name} = $info;
		3246	}
		3247
		3248	cf::cede_to_tick;
		3249	}
		3250	}
		3251
		3252	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3253
2546	1	3254	1
2547	}	3255	}
2548		3256
		3257	cf::global->attach (on_resource_update => sub {
		3258	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3259	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3260
		3261	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3262	my $sound = $soundconf->{compat}[$_]
		3263	or next;
		3264
		3265	my $face = cf::face::find "sound/$sound->[1]";
		3266	cf::sound::set $sound->[0] => $face;
		3267	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3268	}
		3269
		3270	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3271	my $face = cf::face::find "sound/$v";
		3272	cf::sound::set $k => $face;
		3273	}
		3274	}
		3275	});
		3276
		3277	register_exticmd fx_want => sub {
		3278	my ($ns, $want) = @_;
		3279
		3280	while (my ($k, $v) = each %$want) {
		3281	$ns->fx_want ($k, $v);
		3282	}
		3283	};
		3284
		3285	sub load_resource_file($) {
		3286	my $guard = lock_acquire "load_resource_file";
		3287
		3288	my $status = load_resource_file_ $_[0];
		3289	get_slot 0.1, 100;
		3290	cf::arch::commit_load;
		3291
		3292	$status
		3293	}
		3294
2549	sub reload_regions {	3295	sub reload_regions {
		3296	# HACK to clear player env face cache, we need some signal framework
		3297	# for this (global event?)
		3298	%ext::player_env::MUSIC_FACE_CACHE = ();
		3299
2550	load_resource_file "$MAPDIR/regions"	3300	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3301	or die "unable to load regions file\n";
		3302
		3303	for (cf::region::list) {
		3304	$_->{match} = qr/$_->{match}/
		3305	if exists $_->{match};
		3306	}
2552	}	3307	}
2553		3308
2554	sub reload_facedata {	3309	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3310	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3311	or die "unable to load facedata\n";
…		…
2567	}	3322	}
2568		3323
2569	sub reload_resources {	3324	sub reload_resources {
2570	warn "reloading resource files...\n";	3325	warn "reloading resource files...\n";
2571		3326
2572	reload_regions;
2573	reload_facedata;	3327	reload_facedata;
2574	reload_archetypes;	3328	reload_archetypes;
		3329	reload_regions;
2575	reload_treasures;	3330	reload_treasures;
2576		3331
2577	warn "finished reloading resource files\n";	3332	warn "finished reloading resource files\n";
2578	}	3333	}
2579		3334
2580	sub init {	3335	sub init {
		3336	my $guard = freeze_mainloop;
		3337
		3338	evthread_start IO::AIO::poll_fileno;
		3339
2581	reload_resources;	3340	reload_resources;
2582	}	3341	}
2583		3342
2584	sub cfg_load {	3343	sub reload_config {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3344	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3345	or return;
2587		3346
2588	local $/;	3347	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3348	*CFG = YAML::Load <$fh>;
2590		3349
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3350	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2592		3351
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3352	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3353	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2600	};	3359	};
2601	warn $@ if $@;	3360	warn $@ if $@;
2602	}	3361	}
2603	}	3362	}
2604		3363
		3364	sub pidfile() {
		3365	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3366	or die "$PIDFILE: $!";
		3367	flock $fh, &Fcntl::LOCK_EX
		3368	or die "$PIDFILE: flock: $!";
		3369	$fh
		3370	}
		3371
		3372	# make sure only one server instance is running at any one time
		3373	sub atomic {
		3374	my $fh = pidfile;
		3375
		3376	my $pid = <$fh>;
		3377	kill 9, $pid if $pid > 0;
		3378
		3379	seek $fh, 0, 0;
		3380	print $fh $$;
		3381	}
		3382
2605	sub main {	3383	sub main {
		3384	atomic;
		3385
2606	# we must not ever block the main coroutine	3386	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3387	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3388	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3389	(async {
2610	Event::one_event;	3390	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3391	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3392	})->prio (Coro::PRIO_MAX);
2612	};	3393	};
2613		3394
2614	cfg_load;	3395	{
		3396	my $guard = freeze_mainloop;
		3397	reload_config;
2615	db_init;	3398	db_init;
2616	load_extensions;	3399	load_extensions;
2617		3400
2618	$TICK_WATCHER->start;	3401	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3402	}
		3403
		3404	utime time, time, $RUNTIMEFILE;
		3405
		3406	# no (long-running) fork's whatsoever before this point(!)
		3407	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3408
2619	Event::loop;	3409	EV::loop;
2620	}	3410	}
2621		3411
2622	#############################################################################	3412	#############################################################################
2623	# initialisation and cleanup	3413	# initialisation and cleanup
2624		3414
2625	# install some emergency cleanup handlers	3415	# install some emergency cleanup handlers
2626	BEGIN {	3416	BEGIN {
		3417	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3418	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3419	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3420	cf::cleanup "SIG$signal";
2635	},
2636	);	3421	};
		3422	}
		3423	}
		3424
		3425	sub write_runtime_sync {
		3426	# first touch the runtime file to show we are still running:
		3427	# the fsync below can take a very very long time.
		3428
		3429	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3430
		3431	my $guard = cf::lock_acquire "write_runtime";
		3432
		3433	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3434	or return;
		3435
		3436	my $value = $cf::RUNTIME + 90 + 10;
		3437	# 10 is the runtime save interval, for a monotonic clock
		3438	# 60 allows for the watchdog to kill the server.
		3439
		3440	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3441	and return;
		3442
		3443	# always fsync - this file is important
		3444	aio_fsync $fh
		3445	and return;
		3446
		3447	# touch it again to show we are up-to-date
		3448	aio_utime $fh, undef, undef;
		3449
		3450	close $fh
		3451	or return;
		3452
		3453	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3454	and return;
		3455
		3456	warn "runtime file written.\n";
		3457
2637	}	3458	1
		3459	}
		3460
		3461	our $uuid_lock;
		3462	our $uuid_skip;
		3463
		3464	sub write_uuid_sync($) {
		3465	$uuid_skip ||= $_[0];
		3466
		3467	return if $uuid_lock;
		3468	local $uuid_lock = 1;
		3469
		3470	my $uuid = "$LOCALDIR/uuid";
		3471
		3472	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3476	$uuid_skip = 0;
		3477
		3478	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3479	and return;
		3480
		3481	# always fsync - this file is important
		3482	aio_fsync $fh
		3483	and return;
		3484
		3485	close $fh
		3486	or return;
		3487
		3488	aio_rename "$uuid~", $uuid
		3489	and return;
		3490
		3491	warn "uuid file written ($value).\n";
		3492
		3493	1
		3494
		3495	}
		3496
		3497	sub write_uuid($$) {
		3498	my ($skip, $sync) = @_;
		3499
		3500	$sync ? write_uuid_sync $skip
		3501	: async { write_uuid_sync $skip };
2638	}	3502	}
2639		3503
2640	sub emergency_save() {	3504	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3505	my $freeze_guard = cf::freeze_mainloop;
2642		3506
…		…
2648	# and maps saved/destroyed asynchronously.	3512	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3513	warn "begin emergency player save\n";
2650	for my $login (keys %cf::PLAYER) {	3514	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3515	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3516	$pl->valid or next;
		3517	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3518	$pl->save;
2654	}	3519	}
2655	warn "end emergency player save\n";	3520	warn "end emergency player save\n";
2656		3521
2657	warn "begin emergency map save\n";	3522	warn "begin emergency map save\n";
…		…
2663	warn "end emergency map save\n";	3528	warn "end emergency map save\n";
2664		3529
2665	warn "begin emergency database checkpoint\n";	3530	warn "begin emergency database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3531	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3532	warn "end emergency database checkpoint\n";
		3533
		3534	warn "begin write uuid\n";
		3535	write_uuid_sync 1;
		3536	warn "end write uuid\n";
2668	};	3537	};
2669		3538
2670	warn "leave emergency perl save\n";	3539	warn "leave emergency perl save\n";
2671	}	3540	}
2672		3541
2673	sub post_cleanup {	3542	sub post_cleanup {
2674	my ($make_core) = @_;	3543	my ($make_core) = @_;
2675		3544
2676	warn Carp::longmess "post_cleanup backtrace"	3545	warn Carp::longmess "post_cleanup backtrace"
2677	if $make_core;	3546	if $make_core;
		3547
		3548	my $fh = pidfile;
		3549	unlink $PIDFILE if <$fh> == $$;
2678	}	3550	}
		3551
		3552	# a safer delete_package, copied from Symbol
		3553	sub clear_package($) {
		3554	my $pkg = shift;
		3555
		3556	# expand to full symbol table name if needed
		3557	unless ($pkg =~ /^main::.*::$/) {
		3558	$pkg = "main$pkg" if $pkg =~ /^::/;
		3559	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3560	$pkg .= '::' unless $pkg =~ /::$/;
		3561	}
		3562
		3563	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3564	my $stem_symtab = *{$stem}{HASH};
		3565
		3566	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3567	or return;
		3568
		3569	# clear all symbols
		3570	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3571	for my $name (keys %$leaf_symtab) {
		3572	_gv_clear *{"$pkg$name"};
		3573	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3574	}
		3575	warn "cleared package #$pkg\n";#d#
		3576	}
		3577
		3578	our $RELOAD; # how many times to reload
2679		3579
2680	sub do_reload_perl() {	3580	sub do_reload_perl() {
2681	# can/must only be called in main	3581	# can/must only be called in main
2682	if ($Coro::current != $Coro::main) {	3582	if ($Coro::current != $Coro::main) {
2683	warn "can only reload from main coroutine";	3583	warn "can only reload from main coroutine";
2684	return;	3584	return;
2685	}	3585	}
2686		3586
		3587	return if $RELOAD++;
		3588
		3589	while ($RELOAD) {
2687	warn "reloading...";	3590	warn "reloading...";
2688		3591
2689	warn "entering sync_job";	3592	warn "entering sync_job";
2690		3593
2691	cf::sync_job {	3594	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark	3595	cf::write_runtime_sync; # external watchdog should not bark
2693	cf::emergency_save;	3596	cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark	3597	cf::write_runtime_sync; # external watchdog should not bark
2695		3598
2696	warn "syncing database to disk";	3599	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;	3600	BDB::db_env_txn_checkpoint $DB_ENV;
2698		3601
2699	# if anything goes wrong in here, we should simply crash as we already saved	3602	# if anything goes wrong in here, we should simply crash as we already saved
2700		3603
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705
2706	warn "flushing outstanding aio requests";	3604	warn "flushing outstanding aio requests";
2707	for (;;) {
2708	BDB::flush;
2709	IO::AIO::flush;
2710	Coro::cede;
2711	last unless IO::AIO::nreqs || BDB::nreqs;	3605	while (IO::AIO::nreqs || BDB::nreqs) {
2712	warn "iterate...";	3606	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2713	}
2714
2715	++$RELOAD;
2716
2717	warn "cancelling all extension coros";
2718	$_->cancel for values %EXT_CORO;
2719	%EXT_CORO = ();
2720
2721	warn "removing commands";
2722	%COMMAND = ();
2723
2724	warn "removing ext commands";
2725	%EXTCMD = ();
2726
2727	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";
2730
2731	if (my $cb = $pkg->can ("unload")) {
2732	eval {
2733	$cb->($pkg);
2734	1
2735	} or warn "$pkg unloaded, but with errors: $@";
2736	}	3607	}
2737		3608
2738	warn "... nuking $pkg";	3609	warn "cancelling all extension coros";
2739	Symbol::delete_package $pkg;	3610	$_->cancel for values %EXT_CORO;
2740	}	3611	%EXT_CORO = ();
2741		3612
2742	warn "unloading all perl modules loaded from $LIBDIR";	3613	warn "removing commands";
2743	while (my ($k, $v) = each %INC) {	3614	%COMMAND = ();
2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2745		3615
		3616	warn "removing ext/exti commands";
		3617	%EXTCMD = ();
		3618	%EXTICMD = ();
		3619
		3620	warn "unloading/nuking all extensions";
		3621	for my $pkg (@EXTS) {
2746	warn "... unloading $k";	3622	warn "... unloading $pkg";
2747	delete $INC{$k};
2748		3623
2749	$k =~ s/\.pm$//;
2750	$k =~ s/\//::/g;
2751
2752	if (my $cb = $k->can ("unload_module")) {	3624	if (my $cb = $pkg->can ("unload")) {
		3625	eval {
2753	$cb->();	3626	$cb->($pkg);
		3627	1
		3628	} or warn "$pkg unloaded, but with errors: $@";
		3629	}
		3630
		3631	warn "... clearing $pkg";
		3632	clear_package $pkg;
2754	}	3633	}
2755		3634
2756	Symbol::delete_package $k;	3635	warn "unloading all perl modules loaded from $LIBDIR";
		3636	while (my ($k, $v) = each %INC) {
		3637	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3638
		3639	warn "... unloading $k";
		3640	delete $INC{$k};
		3641
		3642	$k =~ s/\.pm$//;
		3643	$k =~ s/\//::/g;
		3644
		3645	if (my $cb = $k->can ("unload_module")) {
		3646	$cb->();
		3647	}
		3648
		3649	clear_package $k;
2757	}	3650	}
2758		3651
2759	warn "getting rid of safe::, as good as possible";	3652	warn "getting rid of safe::, as good as possible";
2760	Symbol::delete_package "safe::$_"	3653	clear_package "safe::$_"
2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3654	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2762		3655
2763	warn "unloading cf.pm \"a bit\"";	3656	warn "unloading cf.pm \"a bit\"";
2764	delete $INC{"cf.pm"};	3657	delete $INC{"cf.pm"};
2765	delete $INC{"cf/pod.pm"};	3658	delete $INC{"cf/pod.pm"};
2766		3659
2767	# don't, removes xs symbols, too,	3660	# don't, removes xs symbols, too,
2768	# and global variables created in xs	3661	# and global variables created in xs
2769	#Symbol::delete_package __PACKAGE__;	3662	#clear_package __PACKAGE__;
2770		3663
2771	warn "unload completed, starting to reload now";	3664	warn "unload completed, starting to reload now";
2772		3665
2773	warn "reloading cf.pm";	3666	warn "reloading cf.pm";
2774	require cf;	3667	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3668	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3669
2777	warn "loading config and database again";	3670	warn "loading config and database again";
2778	cf::cfg_load;	3671	cf::reload_config;
2779		3672
2780	warn "loading extensions";	3673	warn "loading extensions";
2781	cf::load_extensions;	3674	cf::load_extensions;
2782		3675
2783	warn "reattaching attachments to objects/players";	3676	warn "reattaching attachments to objects/players";
2784	_global_reattach; # objects, sockets	3677	_global_reattach; # objects, sockets
2785	warn "reattaching attachments to maps";	3678	warn "reattaching attachments to maps";
2786	reattach $_ for values %MAP;	3679	reattach $_ for values %MAP;
2787	warn "reattaching attachments to players";	3680	warn "reattaching attachments to players";
2788	reattach $_ for values %PLAYER;	3681	reattach $_ for values %PLAYER;
2789		3682
2790	warn "leaving sync_job";	3683	warn "leaving sync_job";
2791		3684
2792	1	3685	1
2793	} or do {	3686	} or do {
2794	warn $@;	3687	warn $@;
2795	warn "error while reloading, exiting.";	3688	cf::cleanup "error while reloading, exiting.";
2796	exit 1;
2797	};	3689	};
2798		3690
2799	warn "reloaded";	3691	warn "reloaded";
		3692	--$RELOAD;
		3693	}
2800	};	3694	};
2801		3695
2802	our $RELOAD_WATCHER; # used only during reload	3696	our $RELOAD_WATCHER; # used only during reload
2803		3697
2804	sub reload_perl() {	3698	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	3699	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	3700	# coro crashes during coro_state_free->destroy here.
2807		3701
2808	$RELOAD_WATCHER ||= Event->timer (	3702	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2809	reentrant => 0,
2810	after => 0,
2811	data => WF_AUTOCANCEL,
2812	cb => sub {
2813	do_reload_perl;	3703	do_reload_perl;
2814	undef $RELOAD_WATCHER;	3704	undef $RELOAD_WATCHER;
2815	},
2816	);	3705	};
2817	}	3706	}
2818		3707
2819	register_command "reload" => sub {	3708	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3709	my ($who, $arg) = @_;
2821		3710
2822	if ($who->flag (FLAG_WIZ)) {	3711	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3712	$who->message ("reloading server.");
		3713	async {
		3714	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3715	reload_perl;
		3716	};
2825	}	3717	}
2826	};	3718	};
2827		3719
2828	unshift @INC, $LIBDIR;	3720	unshift @INC, $LIBDIR;
2829		3721
…		…
2831		3723
2832	our @WAIT_FOR_TICK;	3724	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	3725	our @WAIT_FOR_TICK_BEGIN;
2834		3726
2835	sub wait_for_tick {	3727	sub wait_for_tick {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3728	return if tick_inhibit || $Coro::current == $Coro::main;
2838		3729
2839	my $signal = new Coro::Signal;	3730	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	3731	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	3732	$signal->wait;
2842	}	3733	}
2843		3734
2844	sub wait_for_tick_begin {	3735	sub wait_for_tick_begin {
2845	return unless $TICK_WATCHER->is_active;
2846	return if $Coro::current == $Coro::main;	3736	return if tick_inhibit || $Coro::current == $Coro::main;
2847		3737
2848	my $signal = new Coro::Signal;	3738	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	3739	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	3740	$signal->wait;
2851	}	3741	}
2852		3742
2853	$TICK_WATCHER = Event->timer (	3743	sub tick {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	3744	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3745	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	3746	unless ++$bug_warning > 10;
2863	return;	3747	return;
2864	}	3748	}
2865		3749
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	3750	cf::server_tick; # one server iteration
2869		3751
2870	$RUNTIME += $TICK;
2871	$NEXT_TICK += $TICK;
2872
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3752	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3753	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	3754	Coro::async_pool {
		3755	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3756	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	3757	or warn "ERROR: unable to write runtime file: $!";
2878	};
2879	}	3758	};
		3759	}
2880		3760
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3761	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3762	$sig->send;
2886	}	3763	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3764	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3765	$sig->send;
2889	}	3766	}
2890		3767
2891	$NOW = Event::time;	3768	$LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3769	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3770
2902	_post_tick;	3771	if (0) {
2903		3772	if ($NEXT_TICK) {
2904		3773	my $jitter = $TICK_START - $NEXT_TICK;
		3774	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3775	warn "jitter $JITTER\n";#d#
		3776	}
2905	},	3777	}
2906	);	3778	}
2907		3779
2908	{	3780	{
2909	BDB::max_poll_time $TICK * 0.1;	3781	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	3782
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	3783	BDB::min_parallel 8;
2919		3784	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	3785	$AnyEvent::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		3786
2935	unless ($DB_ENV) {	3787	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	3788	$DB_ENV = BDB::db_env_create;
		3789	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3790	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3791	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3792	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3793	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		3794
2938	cf::sync_job {	3795	cf::sync_job {
2939	eval {	3796	eval {
2940	BDB::db_env_open	3797	BDB::db_env_open
2941	$DB_ENV,	3798	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3800	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3801	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	3802	0666;
2946		3803
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3804	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	3805	};
2952		3806
2953	cf::cleanup "db_env_open(db): $@" if $@;	3807	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	3808	};
2955	}	3809	}
		3810
		3811	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3812	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3813	};
		3814	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3815	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3816	};
		3817	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3818	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3819	};
2956	}	3820	}
2957		3821
2958	{	3822	{
		3823	# configure IO::AIO
		3824
2959	IO::AIO::min_parallel 8;	3825	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	3826	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	3827	undef $AnyEvent::AIO::WATCHER;
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	3828	}
2972		3829
2973	my $_log_backtrace;	3830	my $_log_backtrace;
2974		3831
2975	sub _log_backtrace {	3832	sub _log_backtrace {
…		…
2978	$msg =~ s/\n//;	3835	$msg =~ s/\n//;
2979		3836
2980	# limit the # of concurrent backtraces	3837	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	3838	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	3839	++$_log_backtrace;
		3840	my $perl_bt = Carp::longmess $msg;
2983	async {	3841	async {
		3842	$Coro::current->{desc} = "abt $msg";
		3843
2984	my @bt = fork_call {	3844	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	3845	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3846	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3847	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	3848	or die "addr2line: $!";
…		…
2996	}	3856	}
2997		3857
2998	@funcs	3858	@funcs
2999	};	3859	};
3000		3860
3001	LOG llevInfo, "[ABT] $msg\n";	3861	LOG llevInfo, "[ABT] $perl_bt\n";
		3862	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3002	LOG llevInfo, "[ABT] $_\n" for @bt;	3863	LOG llevInfo, "[ABT] $_\n" for @bt;
3003	--$_log_backtrace;	3864	--$_log_backtrace;
3004	};	3865	};
3005	} else {	3866	} else {
3006	LOG llevInfo, "[ABT] $msg\n";	3867	LOG llevInfo, "[ABT] $msg\n";

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