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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.270 by root, Sat May 26 15:44:06 2007 UTC vs.
Revision 1.450 by root, Mon Sep 22 01:33:09 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		74
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		76
49	our %COMMAND = ();	77	our %COMMAND = ();
50	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
51		79
52	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
56		85
57	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far
58	our @EVENT;	87	our @EVENT;
59		88
60	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	90	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
71		104
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	107	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	113	our $DB_ENV;
82		114
83	our %CFG;	115	our %CFG;
84		116
85	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
87		120
88	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
91		124
92	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		127
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
98		132
99	binmode STDOUT;	133	binmode STDOUT;
100	binmode STDERR;	134	binmode STDERR;
101		135
102	# read virtual server time, if available	136	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	138	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
107	}	141	}
108		142
109	mkdir $_	143	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		189
156	The raw value load value from the last tick.	190	The raw value load value from the last tick.
157		191
158	=item %cf::CFG	192	=item %cf::CFG
159		193
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	195	from wherever your confdir points to.
162		196
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		198
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	200	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		202
		203	=item @cf::INVOKE_RESULTS
		204
		205	This array contains the results of the last C<invoke ()> call. When
		206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		207	that call.
		208
169	=back	209	=back
170		210
171	=cut	211	=cut
172		212
173	BEGIN {	213	BEGIN {
…		…
177	$msg .= "\n"	217	$msg .= "\n"
178	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
179		219
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		221
182	utf8::encode $msg;
183	LOG llevError, $msg;	222	LOG llevError, $msg;
184	};	223	};
185	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
186		240
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	245	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		246	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	247	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		248
194	# we bless all objects into (empty) derived classes to force a method lookup	249	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	250	# within the Safe compartment.
196	for my $pkg (qw(	251	for my $pkg (qw(
197	cf::global cf::attachable	252	cf::global cf::attachable
198	cf::object cf::object::player	253	cf::object cf::object::player
199	cf::client cf::player	254	cf::client cf::player
200	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
201	cf::map cf::party cf::region	257	cf::party cf::region
202	)) {	258	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	260	}
206		261
207	$Event::DIED = sub {	262	$EV::DIED = sub {
208	warn "error in event callback: @_";	263	warn "error in event callback: @_";
209	};	264	};
		265
		266	#############################################################################
210		267
211	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
212		269
213	=over 4	270	=over 4
214		271
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	291	$d
235	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
236	}	293	}
237		294
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
241		296
242	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
243		298
244	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
245		300
246	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
		302
		303	=cut
		304
		305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		306
		307	sub encode_json($) { $json_coder->encode ($_[0]) }
		308	sub decode_json($) { $json_coder->decode ($_[0]) }
247		309
248	=item cf::lock_wait $string	310	=item cf::lock_wait $string
249		311
250	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
251		313
…		…
254	Wait until the given lock is available and then acquires it and returns	316	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	317	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
257	returned.	319	returned.
258		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
259	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
261		326
262	=item $locked = cf::lock_active $string	327	=item $locked = cf::lock_active $string
263		328
264	Return true if the lock is currently active, i.e. somebody has locked it.	329	Return true if the lock is currently active, i.e. somebody has locked it.
265		330
266	=cut	331	=cut
267		332
268	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
269		335
270	sub lock_wait($) {	336	sub lock_wait($) {
271	my ($key) = @_;	337	my ($key) = @_;
		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
272		343
273	# wait for lock, if any	344	# wait for lock, if any
274	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	347	Coro::schedule;
…		…
282		353
283	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
284	lock_wait $key;	355	lock_wait $key;
285		356
286	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
287		359
288	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
291	}	364	}
292	}	365	}
293		366
…		…
296		369
297	! ! $LOCK{$key}	370	! ! $LOCK{$key}
298	}	371	}
299		372
300	sub freeze_mainloop {	373	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
302		375
303	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
304	$TICK_WATCHER->start;	377	}
		378
		379	=item cf::periodic $interval, $cb
		380
		381	Like EV::periodic, but randomly selects a starting point so that the actions
		382	get spread over timer.
		383
		384	=cut
		385
		386	sub periodic($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
		392	}
		393
		394	=item cf::get_slot $time[, $priority[, $name]]
		395
		396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		397	This call blocks and returns only when you have at least C<$time> seconds
		398	of cpu time till the next tick. The slot is only valid till the next cede.
		399
		400	The optional C<$name> can be used to identify the job to run. It might be
		401	used for statistical purposes and should identify the same time-class.
		402
		403	Useful for short background jobs.
		404
		405	=cut
		406
		407	our @SLOT_QUEUE;
		408	our $SLOT_QUEUE;
		409
		410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
		414	my $signal = new Coro::Signal;
		415
		416	while () {
		417	next_job:
		418	my $avail = cf::till_tick;
		419	if ($avail > 0.01) {
		420	for (0 .. $#SLOT_QUEUE) {
		421	if ($SLOT_QUEUE[$_][0] < $avail) {
		422	my $job = splice @SLOT_QUEUE, $_, 1, ();
		423	$job->[2]->send;
		424	Coro::cede;
		425	goto next_job;
		426	}
		427	}
		428	}
		429
		430	if (@SLOT_QUEUE) {
		431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		432	push @cf::WAIT_FOR_TICK, $signal;
		433	$signal->wait;
		434	} else {
		435	Coro::schedule;
		436	}
305	};	437	}
306	$TICK_WATCHER->stop;	438	};
307	$guard	439
		440	sub get_slot($;$$) {
		441	return if tick_inhibit || $Coro::current == $Coro::main;
		442
		443	my ($time, $pri, $name) = @_;
		444
		445	$time = $TICK * .6 if $time > $TICK * .6;
		446	my $sig = new Coro::Signal;
		447
		448	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		449	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		450	$SLOT_QUEUE->ready;
		451	$sig->wait;
308	}	452	}
309		453
310	=item cf::async { BLOCK }	454	=item cf::async { BLOCK }
311		455
312	Currently the same as Coro::async_pool, meaning you cannot use	456	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		461
318	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
319		463
320	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
321		465
322	The design of crossfire+ requires that the main coro ($Coro::main) is	466	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	467	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		469	acceptable.
325		470
326	If it must be done, put the blocking parts into C<sync_job>. This will run	471	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	472	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	473	server will be frozen during this time, so the block should either finish
329	fast or be very important.	474	fast or be very important.
…		…
332		477
333	sub sync_job(&) {	478	sub sync_job(&) {
334	my ($job) = @_;	479	my ($job) = @_;
335		480
336	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	482	my $time = EV::time;
338		483
339	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
341		486
342	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	488
344	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
345		490
346	my $busy = 1;	491	my $busy = 1;
347	my @res;	492	my @res;
348		493
349	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	496	@res = eval { $job->() };
351	warn $@ if $@;	497	warn $@ if $@;
352	undef $busy;	498	undef $busy;
353	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
354		500
355	while ($busy) {	501	while ($busy) {
356	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
357	}	506	}
		507	}
358		508
359	$time = Event::time - $time;	509	my $time = EV::time - $time;
360		510
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	511	$TICK_START += $time; # do not account sync jobs to server load
365		512
366	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
367	} else {	514	} else {
368	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
369		516
…		…
389	$EXT_CORO{$coro+0} = $coro;	536	$EXT_CORO{$coro+0} = $coro;
390		537
391	$coro	538	$coro
392	}	539	}
393		540
394	sub write_runtime {	541	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		542
397	# first touch the runtime file to show we are still running:	543	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	544	process, returning the results. Everything must be serialisable with
		545	Coro::Storable. May, of course, block. Note that the executed sub may
		546	never block itself or use any form of event handling.
399		547
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	548	=cut
401	utime undef, undef, $fh;	549
		550	sub fork_call(&@) {
		551	my ($cb, @args) = @_;
		552
		553	# we seemingly have to make a local copy of the whole thing,
		554	# otherwise perl prematurely frees the stuff :/
		555	# TODO: investigate and fix (likely this will be rather laborious)
		556
		557	my @res = Coro::Util::fork_eval {
		558	reset_signals;
		559	&$cb
		560	}, @args;
		561
		562	wantarray ? @res : $res[-1]
		563	}
		564
		565	=item $coin = coin_from_name $name
		566
		567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		587	$coin_alias{$_[0]}
		588	? cf::arch::find $coin_alias{$_[0]}
		589	: undef
		590	}
		591
		592	=item $value = cf::db_get $family => $key
		593
		594	Returns a single value from the environment database.
		595
		596	=item cf::db_put $family => $key => $value
		597
		598	Stores the given C<$value> in the family. It can currently store binary
		599	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		600
		601	=item $db = cf::db_table "name"
		602
		603	Create and/or open a new database table. The string must not be "db" and must be unique
		604	within each server.
		605
		606	=cut
		607
		608	sub db_table($) {
		609	my ($name) = @_;
		610	my $db = BDB::db_create $DB_ENV;
		611
		612	eval {
		613	$db->set_flags (BDB::CHKSUM);
		614
		615	utf8::encode $name;
		616	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		617	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		618	cf::cleanup "db_open(db): $!" if $!;
402	}	619	};
		620	cf::cleanup "db_open(db): $@" if $@;
403		621
404	my $guard = cf::lock_acquire "write_runtime";	622	$db
		623	}
405		624
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	625	our $DB;
407	or return;
408		626
409	my $value = $cf::RUNTIME + 90 + 10;	627	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	628	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	629	$DB ||= db_table "db";
		630	};
		631	}
412		632
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	633	sub db_get($$) {
414	and return;	634	my $key = "$_[0]/$_[1]";
415		635
416	# always fsync - this file is important	636	cf::sync_job {
417	aio_fsync $fh	637	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		638
420	# touch it again to show we are up-to-date	639	$! ? ()
421	utime undef, undef, $fh;	640	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	641	}
		642	}
		643
		644	sub db_put($$$) {
		645	BDB::dbreq_pri 4;
		646	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		647	}
		648
		649	=item cf::cache $id => [$paths...], $processversion => $process
		650
		651	Generic caching function that returns the value of the resource $id,
		652	caching and regenerating as required.
		653
		654	This function can block.
		655
		656	=cut
		657
		658	sub cache {
		659	my ($id, $src, $processversion, $process) = @_;
		660
		661	my $meta =
		662	join "\x00",
		663	$processversion,
		664	map {
		665	aio_stat $_
		666	and Carp::croak "$_: $!";
		667
		668	($_, (stat _)[7,9])
		669	} @$src;
		670
		671	my $dbmeta = db_get cache => "$id/meta";
		672	if ($dbmeta ne $meta) {
		673	# changed, we may need to process
		674
		675	my @data;
		676	my $md5;
		677
		678	for (0 .. $#$src) {
		679	0 <= aio_load $src->[$_], $data[$_]
		680	or Carp::croak "$src->[$_]: $!";
		681	}
		682
		683	# if processing is expensive, check
		684	# checksum first
		685	if (1) {
		686	$md5 =
		687	join "\x00",
		688	$processversion,
		689	map {
		690	cf::cede_to_tick;
		691	($src->[$_], Digest::MD5::md5_hex $data[$_])
		692	} 0.. $#$src;
		693
		694
		695	my $dbmd5 = db_get cache => "$id/md5";
		696	if ($dbmd5 eq $md5) {
		697	db_put cache => "$id/meta", $meta;
		698
		699	return db_get cache => "$id/data";
		700	}
		701	}
		702
		703	my $t1 = Time::HiRes::time;
		704	my $data = $process->(\@data);
		705	my $t2 = Time::HiRes::time;
		706
		707	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		708
		709	db_put cache => "$id/data", $data;
		710	db_put cache => "$id/md5" , $md5;
		711	db_put cache => "$id/meta", $meta;
		712
		713	return $data;
		714	}
		715
		716	db_get cache => "$id/data"
432	}	717	}
433		718
434	=item cf::datalog type => key => value, ...	719	=item cf::datalog type => key => value, ...
435		720
436	Log a datalog packet of the given type with the given key-value pairs.	721	Log a datalog packet of the given type with the given key-value pairs.
…		…
448		733
449	#############################################################################	734	#############################################################################
450		735
451	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
452		737
453	Many objects in crossfire are so-called attachable objects. That means you can	738	Many objects in deliantra are so-called attachable objects. That means you can
454	attach callbacks/event handlers (a collection of which is called an "attachment")	739	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
456		741
457	In the following description, CLASS can be any of C<global>, C<object>	742	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	743	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	744	Deliantra).
460		745
461	=over 4	746	=over 4
462		747
463	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
464		749
…		…
508	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
509		794
510	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
512		797
513	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
514	that are attached at load/instantiate time, thus the need for a name.	799	that are attached at load/instantiate time, thus the need for a name.
515		800
516	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
517		802
518	=over 4	803	=over 4
…		…
666	_attach $registry, $klass, @attach;	951	_attach $registry, $klass, @attach;
667	}	952	}
668		953
669	$obj->{$name} = \%arg;	954	$obj->{$name} = \%arg;
670	} else {	955	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	956	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	957	}
673		958
674	$obj->{_attachment}{$name} = undef;	959	$obj->{_attachment}{$name} = undef;
675	}	960	}
676		961
…		…
716	";	1001	";
717	die if $@;	1002	die if $@;
718	}	1003	}
719		1004
720	our $override;	1005	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1006	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		1007
723	sub override {	1008	sub override {
724	$override = 1;	1009	$override = 1;
725	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
726	}	1011	}
727		1012
728	sub do_invoke {	1013	sub do_invoke {
729	my $event = shift;	1014	my $event = shift;
730	my $callbacks = shift;	1015	my $callbacks = shift;
731		1016
732	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
733		1018
734	local $override;	1019	local $override;
735		1020
736	for (@$callbacks) {	1021	for (@$callbacks) {
737	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
746	}	1031	}
747		1032
748	0	1033	0
749	}	1034	}
750		1035
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1037
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1039
755	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
756		1041
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1042	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	1043	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1045
761	=back	1046	=back
762		1047
763	=cut	1048	=cut
764		1049
765	#############################################################################	1050	#############################################################################
766	# object support	1051	# object support
		1052
		1053	sub _object_equal($$);
		1054	sub _object_equal($$) {
		1055	my ($a, $b) = @_;
		1056
		1057	return 0 unless (ref $a) eq (ref $b);
		1058
		1059	if ("HASH" eq ref $a) {
		1060	my @ka = keys %$a;
		1061	my @kb = keys %$b;
		1062
		1063	return 0 if @ka != @kb;
		1064
		1065	for (0 .. $#ka) {
		1066	return 0 unless $ka[$_] eq $kb[$_];
		1067	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1068	}
		1069
		1070	} elsif ("ARRAY" eq ref $a) {
		1071
		1072	return 0 if @$a != @$b;
		1073
		1074	for (0 .. $#$a) {
		1075	return 0 unless _object_equal $a->[$_], $b->[$_];
		1076	}
		1077
		1078	} elsif ($a ne $b) {
		1079	return 0;
		1080	}
		1081
		1082	1
		1083	}
		1084
		1085	our $SLOW_MERGES;#d#
		1086	sub _can_merge {
		1087	my ($ob1, $ob2) = @_;
		1088
		1089	++$SLOW_MERGES;#d#
		1090
		1091	# we do the slow way here
		1092	return _object_equal $ob1, $ob2
		1093	}
767		1094
768	sub reattach {	1095	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1097	my ($obj) = @_;
771		1098
		1099	# no longer needed after getting rid of delete_package?
772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1100	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773		1101
774	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
775		1103
776	@$registry = ();	1104	@$registry = ();
777		1105
…		…
792	cf::attachable->attach (	1120	cf::attachable->attach (
793	prio => -1000000,	1121	prio => -1000000,
794	on_instantiate => sub {	1122	on_instantiate => sub {
795	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
796		1124
797	$data = from_json $data;	1125	$data = decode_json $data;
798		1126
799	for (@$data) {	1127	for (@$data) {
800	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
801		1129
802	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1146	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
820		1148
821	sync_job {	1149	sync_job {
822	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
825		1154
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1159	aio_close $fh;
831		1160
832	if (@$objs) {	1161	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1162	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1167	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
840	}	1169	}
841	} else {	1170	} else {
842	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
843	}	1172	}
…		…
848	}	1177	}
849	} else {	1178	} else {
850	aio_unlink $filename;	1179	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
852	}	1181	}
853	}	1182	};
854	}	1183	}
855		1184
856	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
858		1187
…		…
870	or return;	1199	or return;
871		1200
872	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
874	or return;	1203	or return;
		1204
875	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
876	}	1207	}
877		1208
		1209	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1211	$decname, length $data, scalar @{$av || []};
		1212
880	return ($data, $av);	1213	($data, $av)
881	}	1214	}
		1215
		1216	=head2 COMMAND CALLBACKS
		1217
		1218	=over 4
		1219
		1220	=cut
882		1221
883	#############################################################################	1222	#############################################################################
884	# command handling &c	1223	# command handling &c
885		1224
886	=item cf::register_command $name => \&callback($ob,$args);	1225	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1238	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1239	}
901		1240
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1241	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1242
904	Register a callbackf ro execution when the client sends an extcmd packet.	1243	Register a callback for execution when the client sends an (synchronous)
		1244	extcmd packet. Ext commands will be processed in the order they are
		1245	received by the server, like other user commands. The first argument is
		1246	the logged-in player. Ext commands can only be processed after a player
		1247	has logged in successfully.
905		1248
906	If the callback returns something, it is sent back as if reply was being	1249	If the callback returns something, it is sent back as if reply was being
907	called.	1250	called.
908		1251
		1252	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1253
		1254	Register a callback for execution when the client sends an (asynchronous)
		1255	exticmd packet. Exti commands are processed by the server as soon as they
		1256	are received, i.e. out of order w.r.t. other commands. The first argument
		1257	is a client socket. Exti commands can be received anytime, even before
		1258	log-in.
		1259
		1260	If the callback returns something, it is sent back as if reply was being
		1261	called.
		1262
909	=cut	1263	=cut
910		1264
911	sub register_extcmd {	1265	sub register_extcmd {
912	my ($name, $cb) = @_;	1266	my ($name, $cb) = @_;
913		1267
914	$EXTCMD{$name} = $cb;	1268	$EXTCMD{$name} = $cb;
		1269	}
		1270
		1271	sub register_exticmd {
		1272	my ($name, $cb) = @_;
		1273
		1274	$EXTICMD{$name} = $cb;
915	}	1275	}
916		1276
917	cf::player->attach (	1277	cf::player->attach (
918	on_command => sub {	1278	on_command => sub {
919	my ($pl, $name, $params) = @_;	1279	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1288	cf::override;
929	},	1289	},
930	on_extcmd => sub {	1290	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
932		1292
933	my $msg = eval { from_json $buf };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1294
935	if (ref $msg) {	1295	if (ref $msg) {
		1296	my ($type, $reply, @payload) =
		1297	"ARRAY" eq ref $msg
		1298	? @$msg
		1299	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1300
		1301	my @reply;
		1302
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
941	} else {	1310	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1312	}
944		1313
945	cf::override;	1314	cf::override;
946	},	1315	},
947	);	1316	);
948		1317
949	sub load_extension {
950	my ($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 {	1318	sub load_extensions {
		1319	cf::sync_job {
		1320	my %todo;
		1321
984	for my $ext (<$LIBDIR/*.ext>) {	1322	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1323	next unless -r $path;
986	eval {	1324
987	load_extension $ext;	1325	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1326	my $base = $1;
		1327	my $pkg = $1;
		1328	$pkg =~ s/[^[:word:]]/_/g;
		1329	$pkg = "ext::$pkg";
		1330
		1331	open my $fh, "<:utf8", $path
		1332	or die "$path: $!";
		1333
		1334	my $source = do { local $/; <$fh> };
		1335
		1336	my %ext = (
		1337	path => $path,
		1338	base => $base,
		1339	pkg => $pkg,
		1340	);
		1341
		1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1344
		1345	$ext{source} =
		1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1347	. "#line 1 \"$path\"\n{\n"
		1348	. $source
		1349	. "\n};\n1";
		1350
		1351	$todo{$base} = \%ext;
		1352	}
		1353
		1354	my %done;
		1355	while (%todo) {
		1356	my $progress;
		1357
		1358	while (my ($k, $v) = each %todo) {
		1359	for (split /,\s*/, $v->{meta}{depends}) {
		1360	goto skip
		1361	unless exists $done{$_};
		1362	}
		1363
		1364	warn "... loading '$k' into '$v->{pkg}'\n";
		1365
		1366	unless (eval $v->{source}) {
		1367	my $msg = $@ ? "$v->{path}: $@\n"
		1368	: "$v->{base}: extension inactive.\n";
		1369
		1370	if (exists $v->{meta}{mandatory}) {
		1371	warn $msg;
		1372	cf::cleanup "mandatory extension failed to load, exiting.";
		1373	}
		1374
		1375	warn $msg;
		1376	}
		1377
		1378	$done{$k} = delete $todo{$k};
		1379	push @EXTS, $v->{pkg};
		1380	$progress = 1;
988	1	1381	}
989	} or warn "$ext not loaded: $@";	1382
		1383	skip:
		1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1385	unless $progress;
		1386	}
990	}	1387	};
991	}	1388	}
992		1389
993	#############################################################################	1390	#############################################################################
994		1391
		1392	=back
		1393
995	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
996		1395
997	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
998		1397
999	=cut	1398	=cut
1000		1399
1001	package cf::player;	1400	package cf::player;
1002		1401
1003	use Coro::AIO;	1402	use Coro::AIO;
1004		1403
1005	=head3 cf::player	1404	=head3 cf::player
1006		1405
1007	=over 4	1406	=over 4
		1407
		1408	=item cf::player::num_playing
		1409
		1410	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1411
		1412	=cut
		1413
		1414	sub num_playing {
		1415	scalar grep
		1416	$_->ob->map
		1417	&& !$_->hidden
		1418	&& !$_->ob->flag (cf::FLAG_WIZ),
		1419	cf::player::list
		1420	}
1008		1421
1009	=item cf::player::find $login	1422	=item cf::player::find $login
1010		1423
1011	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
1012		1425
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1464	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1465
1053	my $pl = load_pl path $login	1466	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1467	or return;
		1468
		1469	my $pl = cf::player::load_pl $f
		1470	or return;
		1471
		1472	local $cf::PLAYER_LOADING{$login} = $pl;
		1473	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
1056	}	1475	}
1057	}	1476	}
1058	}	1477	}
1059		1478
…		…
1068	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1069		1488
1070	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
1072		1491
		1492	cf::get_slot 0.01;
		1493
1073	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1074	Coro::cede;	1495	cf::cede_to_tick;
1075	}	1496	}
1076		1497
1077	sub new($) {	1498	sub new($) {
1078	my ($login) = @_;	1499	my ($login) = @_;
1079		1500
…		…
1085	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1086		1507
1087	$self	1508	$self
1088	}	1509	}
1089		1510
		1511	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1512
		1513	=cut
		1514
		1515	sub send_msg {
		1516	my $ns = shift->ns
		1517	or return;
		1518	$ns->send_msg (@_);
		1519	}
		1520
1090	=item $pl->quit_character	1521	=item $pl->quit_character
1091		1522
1092	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1094		1525
…		…
1098	my ($pl) = @_;	1529	my ($pl) = @_;
1099		1530
1100	my $name = $pl->ob->name;	1531	my $name = $pl->ob->name;
1101		1532
1102	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1103	$pl->password ("*"); # this should lock out the player until we nuked the dir	1534	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1104		1535
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1109		1542
1110	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1580	or return [];
1148		1581
1149	my @logins;	1582	my @logins;
1150		1583
1151	for my $login (@$dirs) {	1584	for my $login (@$dirs) {
		1585	my $path = path $login;
		1586
		1587	# a .pst is a dead give-away for a valid player
		1588	# if no pst file found, open and chekc for blocked users
		1589	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1155		1594
1156	utf8::decode $login;	1595	utf8::decode $login;
1157	push @logins, $login;	1596	push @logins, $login;
1158	}	1597	}
1159		1598
…		…
1186	}	1625	}
1187		1626
1188	\@paths	1627	\@paths
1189	}	1628	}
1190		1629
		1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1631
		1632	Expand deliantra pod fragments into protocol xml.
		1633
1191	=item $player->ext_reply ($msgid, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1192		1635
1193	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1194		1637
1195	=cut	1638	=cut
1196		1639
1197	sub ext_reply($$%) {	1640	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1199		1642
1200	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1644	}
1204		1645
1205	=item $player->ext_event ($type, %msg)	1646	=item $player->ext_msg ($type, @msg)
1206		1647
1207	Sends an ext event to the client.	1648	Sends an ext event to the client.
1208		1649
1209	=cut	1650	=cut
1210		1651
1211	sub ext_event($$%) {	1652	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1653	my ($self, $type, @msg) = @_;
1213		1654
1214	$self->ns->ext_event ($type, %msg);	1655	$self->ns->ext_msg ($type, @msg);
1215	}	1656	}
1216		1657
1217	=head3 cf::region	1658	=head3 cf::region
1218		1659
1219	=over 4	1660	=over 4
…		…
1222		1663
1223	package cf::region;	1664	package cf::region;
1224		1665
1225	=item cf::region::find_by_path $path	1666	=item cf::region::find_by_path $path
1226		1667
1227	Tries to decuce the probable region for a map knowing only its path.	1668	Tries to decuce the likely region for a map knowing only its path.
1228		1669
1229	=cut	1670	=cut
1230		1671
1231	sub find_by_path($) {	1672	sub find_by_path($) {
1232	my ($path) = @_;	1673	my ($path) = @_;
1233		1674
1234	my ($match, $specificity);	1675	my ($match, $specificity);
1235		1676
1236	for my $region (list) {	1677	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1678	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1679	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1680	if $region->specificity > $specificity;
1240	}	1681	}
1241	}	1682	}
1242		1683
…		…
1263	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1265		1706
1266	sub generate_random_map {	1707	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1708	my ($self, $rmp) = @_;
		1709
		1710	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1711
1268	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1713	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1306	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1307		1751
1308	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1309	local $self->{path};	1753	local $self->{path};
1310	local $self->{load_path};	1754	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1755
1314	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1315	}	1757	}
1316		1758
1317	sub normalise {	1759	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1365	return $self;	1807	return $self;
1366	}	1808	}
1367	}	1809	}
1368		1810
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1812	()
1371	}	1813	}
1372		1814
1373	sub init {	1815	sub init {
1374	my ($self) = @_;	1816	my ($self) = @_;
…		…
1396		1838
1397	# the temporary/swap location	1839	# the temporary/swap location
1398	sub save_path {	1840	sub save_path {
1399	my ($self) = @_;	1841	my ($self) = @_;
1400		1842
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1844	"$TMPDIR/$path.map"
1403	}	1845	}
1404		1846
1405	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1406	sub uniq_path {	1848	sub uniq_path {
1407	my ($self) = @_;	1849	my ($self) = @_;
1408		1850
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1852	"$UNIQUEDIR/$path"
1411	}	1853	}
1412		1854
1413	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1414	# all maps in C++...	1856	# all maps in C++...
…		…
1417		1859
1418	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1420	}	1862	}
1421		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1422	sub unlink_save {	1872	sub unlink_save {
1423	my ($self) = @_;	1873	my ($self) = @_;
1424		1874
1425	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1879
1430	sub load_header_from($) {	1880	sub load_header_from($) {
1431	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1432		1882
1433	utf8::encode $path;	1883	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1439		1892
1440	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1441		1894
1442	1	1895	1
1443	}	1896	}
…		…
1482	$self->load_header_orig	1935	$self->load_header_orig
1483	or return;	1936	or return;
1484	$self->prepare_orig;	1937	$self->prepare_orig;
1485	}	1938	}
1486		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
1487	$self->default_region (cf::region::find_by_path $self->{path})	1943	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1944	unless $self->default_region;
1489		1945
1490	1	1946	1
1491	}	1947	}
…		…
1494	sub find {	1950	sub find {
1495	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1496		1952
1497	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1498		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1500		1957
1501	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1502	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1503	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1504	or return;	1963	or return;
1505		1964
1506	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1507		1966
1508	$map->load_header	1967	$map->load_header
1509	or return;	1968	or return;
1510		1969
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1514	$map->reset;	1975	$map->reset;
1515	undef $guard;
1516	return find $path;	1976	return find $path;
1517	}	1977	}
1518		1978
1519	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1520	}	1980	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1530		1990
1531	my $path = $self->{path};	1991	my $path = $self->{path};
1532		1992
1533	{	1993	{
1534	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1535		1995
		1996	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		1998
1538	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1539		2000
1540	$self->alloc;	2001	$self->alloc;
1541		2002
1542	$self->pre_load;	2003	$self->pre_load;
1543	Coro::cede;	2004	cf::cede_to_tick;
1544		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1546	or return;	2009	or return;
1547		2010
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1549	if delete $self->{load_original};	2012	if delete $self->{load_original};
1550		2013
1551	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2015	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2018	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1556	}	2022	}
1557	}	2023	}
1558		2024
1559	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1560	# now do the right thing for maps	2028	# now do the right thing for maps
1561	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2031	unless $self->difficulty;
1564	Coro::cede;	2032	cf::cede_to_tick;
1565		2033
1566	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2035	$self->decay_objects;
1568	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1569	$self->update_buttons;	2037	$self->update_buttons;
1570	Coro::cede;	2038	cf::cede_to_tick;
1571	$self->set_darkness_map;	2039	$self->set_darkness_map;
1572	Coro::cede;	2040	cf::cede_to_tick;
1573	$self->activate;	2041	$self->activate;
1574	}	2042	}
1575		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2048	}
1578		2049
1579	$self->post_load;	2050	$self->post_load;
1580	}	2051	}
1581		2052
…		…
1583	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1584		2055
1585	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2057	if $self->per_player;
1587		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1588	$self	2062	$self
1589	}	2063	}
1590		2064
1591	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2066	sub load_neighbours {
1593	my ($map) = @_;	2067	my ($map) = @_;
1594		2068
1595	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1596		2070
1597	for (0 .. 3) {	2071	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1599	or next;	2073	or next;
1600	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1601	or next;	2075	or next;
1602	$neigh->load;	2076	$neigh->load;
1603		2077
		2078	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2081	}
1607		2082
1608	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1610	or next;	2086	or next;
1611	$neigh->load;	2087	$neigh->load;
1612	}	2088	}
1613	}	2089	}
1614		2090
…		…
1619	}	2095	}
1620		2096
1621	sub do_load_sync {	2097	sub do_load_sync {
1622	my ($map) = @_;	2098	my ($map) = @_;
1623		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1624	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1625	}	2104	}
1626		2105
1627	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1629		2108
1630	sub find_async {	2109	sub find_async {
1631	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1632		2111
1633	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1634		2113
1635	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2116	}
1638		2117
1639	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1640	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1641	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2125	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2126	$map->load if $v;
		2127	}
1646		2128
1647	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1648	}	2130	}
1649	}	2131	}
1650	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1651	};	2133	};
1652	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2137	}
1656		2138
1657	sub save {	2139	sub save {
1658	my ($self) = @_;	2140	my ($self) = @_;
1659		2141
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2143
1662	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1663		2145
1664	return unless $self->dirty;	2146	return unless $self->dirty;
1665		2147
…		…
1671	return if $self->{deny_save};	2153	return if $self->{deny_save};
1672		2154
1673	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1674		2156
1675	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1677	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1678		2163
1679	if ($uniq) {	2164	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2167	} else {
…		…
1688	my ($self) = @_;	2173	my ($self) = @_;
1689		2174
1690	# save first because save cedes	2175	# save first because save cedes
1691	$self->save;	2176	$self->save;
1692		2177
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2179
1695	return if $self->players;	2180	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1697	return if $self->{deny_save};	2182	return if $self->{deny_save};
1698		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2188	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2189	}
1702		2190
1703	sub reset_at {	2191	sub reset_at {
1704	my ($self) = @_;	2192	my ($self) = @_;
1705		2193
1706	# TODO: safety, remove and allow resettable per-player maps	2194	# 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};	2195	return 1e99 if $self->{deny_reset};
1709		2196
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2199
…		…
1723	my ($self) = @_;	2210	my ($self) = @_;
1724		2211
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2213
1727	return if $self->players;	2214	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2215
1730	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1731		2217
1732	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1733		2219
1734	# need to save uniques path	2220	# need to save uniques path
1735	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2225	if $uniq;
1740	}	2226	}
1741		2227
1742	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1743		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2232	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2233
1748	$self->unlink_save;	2234	$self->unlink_save;
1749	$self->destroy;	2235	$self->destroy;
1750	}	2236	}
1751		2237
1752	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1753		2239
1754	sub nuke {	2240	sub nuke {
1755	my ($self) = @_;	2241	my ($self) = @_;
1756		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1757	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1758		2247
1759	$self->unlink_save;	2248	$self->unlink_save;
1760		2249
1761	bless $self, "cf::map";	2250	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2255
1767	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1768		2258
1769	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
		2260	}
		2261
		2262	=item $maps = cf::map::tmp_maps
		2263
		2264	Returns an arrayref with all map paths of currently instantiated and saved
		2265	maps. May block.
		2266
		2267	=cut
		2268
		2269	sub tmp_maps() {
		2270	[
		2271	map {
		2272	utf8::decode $_;
		2273	/\.map$/
		2274	? normalise $_
		2275	: ()
		2276	} @{ aio_readdir $TMPDIR or [] }
		2277	]
		2278	}
		2279
		2280	=item $maps = cf::map::random_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	random maps. May block.
		2284
		2285	=cut
		2286
		2287	sub random_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise "?random/$_"
		2293	: ()
		2294	} @{ aio_readdir $RANDOMDIR or [] }
		2295	]
1770	}	2296	}
1771		2297
1772	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1773		2299
1774	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2301	instantiated unique items. May block.
1776		2302
1777	=cut	2303	=cut
1778		2304
1779	sub unique_maps() {	2305	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2306	[
1781	or return;	2307	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2308	utf8::decode $_;
1787	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2311	? ()
1790	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2314	]
1792
1793	\@paths
1794	}	2315	}
1795
1796	package cf;
1797		2316
1798	=back	2317	=back
1799		2318
1800	=head3 cf::object	2319	=head3 cf::object
1801		2320
…		…
1805		2324
1806	=over 4	2325	=over 4
1807		2326
1808	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1809		2328
1810	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1811		2331
1812	=cut	2332	=cut
1813		2333
1814	sub inv_recursive_;	2334	sub inv_recursive_;
1815	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1818		2338
1819	sub inv_recursive {	2339	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1821	}	2341	}
1822		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1823	package cf;	2371	package cf;
1824		2372
1825	=back	2373	=back
1826		2374
1827	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	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	2382	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1836		2384
1837	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1838		2400
1839	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2402	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1844		2406
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2408
1847	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1849	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1852	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1853	}	2434	}
1854		2435
1855	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1856		2437
1857	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1870		2451
1871	=item $player_object->enter_link	2452	=item $player_object->enter_link
1872		2453
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2455
1875	The player should be reasonably safe there for short amounts of time. You	2456	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.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
1877		2460
1878	Will never block.	2461	Will never block.
1879		2462
1880	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1881		2464
…		…
1936	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1937	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1938	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1939		2522
1940	$map->load;	2523	$map->load;
1941	$map->load_diag;	2524	$map->load_neighbours;
1942		2525
1943	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1944	$self->activate_recursive;	2528	$self->activate_recursive;
1945		2529
1946	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1947	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1948	}	2532	}
1949		2533
1950	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1951		2535
1952	Moves the player to the given map-path and coordinates by first freezing	2536	Moves the player to the given map-path and coordinates by first freezing
1953	her, loading and preparing them map, calling the provided $check callback	2537	her, loading and preparing them map, calling the provided $check callback
1954	that has to return the map if sucecssful, and then unfreezes the player on	2538	that has to return the map if sucecssful, and then unfreezes the player on
1955	the new (success) or old (failed) map position.	2539	the new (success) or old (failed) map position. In either case, $done will
		2540	be called at the end of this process.
		2541
		2542	Note that $check will be called with a potentially non-loaded map, so if
		2543	it needs a loaded map it has to call C<< ->load >>.
1956		2544
1957	=cut	2545	=cut
1958		2546
1959	our $GOTOGEN;	2547	our $GOTOGEN;
1960		2548
1961	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y, $check) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
1963		2551
1964	# do generation counting so two concurrent goto's will be executed in-order	2552	# do generation counting so two concurrent goto's will be executed in-order
1965	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1966		2554
1967	$self->enter_link;	2555	$self->enter_link;
1968		2556
1969	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
1970	my $map = eval {	2579	my $map = eval {
1971	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
1972		2581
1973	if ($map) {	2582	if ($map) {
1974	$map = $map->customise_for ($self);	2583	$map = $map->customise_for ($self);
1975	$map = $check->($map) if $check && $map;	2584	$map = $check->($map) if $check && $map;
1976	} else {	2585	} else {
1977	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1978	}	2587	}
1979		2588
1980	$map	2589	$map
1981	};	2590	};
1982		2591
…		…
1987		2596
1988	if ($gen == $self->{_goto_generation}) {	2597	if ($gen == $self->{_goto_generation}) {
1989	delete $self->{_goto_generation};	2598	delete $self->{_goto_generation};
1990	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
1991	}	2600	}
		2601
		2602	$done->() if $done;
1992	})->prio (1);	2603	})->prio (1);
1993	}	2604	}
1994		2605
1995	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1996		2607
…		…
2016	}	2627	}
2017		2628
2018	sub prepare_random_map {	2629	sub prepare_random_map {
2019	my ($exit) = @_;	2630	my ($exit) = @_;
2020		2631
2021	my $guard = cf::lock_acquire "exit_prepare:$exit";
2022
2023	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2024	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2025	# that depends on the exit object	2634	# that depends on the exit object
2026		2635
2027	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2029	if ($exit->map) {	2638	if ($exit->map) {
2030	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2031	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2032	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2033	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2034	}	2645	}
2035		2646
2036	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2037		2648
2038	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2039	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2040	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2041		2652
2042	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2043	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2044	undef $fh;	2655	undef $fh;
2045	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2046		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2047	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2048	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2049	}	2664	}
2050	}	2665	}
2051		2666
2052	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2053	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2054		2669
2055	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2056		2671
2057	if ($exit->slaying eq "/!") {
2058	#TODO: this should de-fi-ni-te-ly not be a sync-job
2059	# the problem is that $exit might not survive long enough
2060	# so it needs to be done right now, right here
2061	cf::sync_job { prepare_random_map $exit };
2062	}
2063
2064	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2065	my $hp = $exit->stats->hp;
2066	my $sp = $exit->stats->sp;
2067
2068	$self->enter_link;	2672	$self->enter_link;
2069		2673
2070	(async {	2674	(async {
2071	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2072	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2073	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2074		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2075	1;	2698	1
2076	}) {	2699	}) {
2077	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2078	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2079	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2080	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2081		2704
2082	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2101		2724
2102	utf8::encode $text;	2725	utf8::encode $text;
2103	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2104	}	2727	}
2105		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/skills" => {
		2777	id => "infobox",
		2778	title => "Skills",
		2779	reply => undef,
		2780	tooltip => "Shows your experience per skill and item power",
		2781	},
		2782	"c/uptime" => {
		2783	id => "infobox",
		2784	title => "Uptime",
		2785	reply => undef,
		2786	tooltip => "How long the server has been running since last restart",
		2787	},
		2788	"c/mapinfo" => {
		2789	id => "infobox",
		2790	title => "Map Info",
		2791	reply => undef,
		2792	tooltip => "Information related to the maps",
		2793	},
		2794	"c/party" => {
		2795	id => "party",
		2796	title => "Party",
		2797	reply => "gsay ",
		2798	tooltip => "Messages and chat related to your party",
		2799	},
		2800	);
		2801
		2802	sub cf::client::send_msg {
		2803	my ($self, $channel, $msg, $color, @extra) = @_;
		2804
		2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
		2829
		2830	return unless @extra || length $msg;
		2831
		2832	if ($self->can_msg) {
		2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	my $pkt = "msg "
		2838	. $self->{json_coder}->encode (
		2839	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2840	);
		2841
		2842	# try lzf for large packets
		2843	$pkt = "lzf " . Compress::LZF::compress $pkt
		2844	if 1024 <= length $pkt and $self->{can_lzf};
		2845
		2846	# split very large packets
		2847	if (8192 < length $pkt and $self->{can_lzf}) {
		2848	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2849	$pkt = "frag";
		2850	}
		2851
		2852	$self->send_packet ($pkt);
		2853	} else {
		2854	if ($color >= 0) {
		2855	# replace some tags by gcfclient-compatible ones
		2856	for ($msg) {
		2857	1 while
		2858	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2859	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2860	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2861	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2862	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2863	}
		2864
		2865	$color &= cf::NDI_COLOR_MASK;
		2866
		2867	utf8::encode $msg;
		2868
		2869	if (0 && $msg =~ /\[/) {
		2870	# COMMAND/INFO
		2871	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2872	} else {
		2873	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2874	$self->send_packet ("drawinfo $color $msg")
		2875	}
		2876	}
		2877	}
		2878	}
		2879
2106	=item $client->ext_event ($type, %msg)	2880	=item $client->ext_msg ($type, @msg)
2107		2881
2108	Sends an exti event to the client.	2882	Sends an ext event to the client.
2109		2883
2110	=cut	2884	=cut
2111		2885
2112	sub cf::client::ext_event($$%) {	2886	sub cf::client::ext_msg($$@) {
2113	my ($self, $type, %msg) = @_;	2887	my ($self, $type, @msg) = @_;
2114		2888
		2889	if ($self->extcmd == 2) {
		2890	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2891	} elsif ($self->extcmd == 1) { # TODO: remove
2115	$msg{msgtype} = "event_$type";	2892	push @msg, msgtype => "event_$type";
2116	$self->send_packet ("ext " . cf::to_json \%msg);	2893	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2894	}
		2895	}
		2896
		2897	=item $client->ext_reply ($msgid, @msg)
		2898
		2899	Sends an ext reply to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_reply($$@) {
		2904	my ($self, $id, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2908	} elsif ($self->extcmd == 1) {
		2909	#TODO: version 1, remove
		2910	unshift @msg, msgtype => "reply", msgid => $id;
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2912	}
2117	}	2913	}
2118		2914
2119	=item $success = $client->query ($flags, "text", \&cb)	2915	=item $success = $client->query ($flags, "text", \&cb)
2120		2916
2121	Queues a query to the client, calling the given callback with	2917	Queues a query to the client, calling the given callback with
2122	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2918	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2123	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2919	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2124		2920
2125	Queries can fail, so check the return code. Or don't, as queries will become	2921	Queries can fail, so check the return code. Or don't, as queries will
2126	reliable at some point in the future.	2922	become reliable at some point in the future.
2127		2923
2128	=cut	2924	=cut
2129		2925
2130	sub cf::client::query {	2926	sub cf::client::query {
2131	my ($self, $flags, $text, $cb) = @_;	2927	my ($self, $flags, $text, $cb) = @_;
…		…
2139	utf8::encode $text;	2935	utf8::encode $text;
2140	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2936	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2141		2937
2142	$self->send_packet ($self->{query_queue}[0][0])	2938	$self->send_packet ($self->{query_queue}[0][0])
2143	if @{ $self->{query_queue} } == 1;	2939	if @{ $self->{query_queue} } == 1;
		2940
		2941	1
2144	}	2942	}
2145		2943
2146	cf::client->attach (	2944	cf::client->attach (
		2945	on_connect => sub {
		2946	my ($ns) = @_;
		2947
		2948	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2949	},
2147	on_reply => sub {	2950	on_reply => sub {
2148	my ($ns, $msg) = @_;	2951	my ($ns, $msg) = @_;
2149		2952
2150	# this weird shuffling is so that direct followup queries	2953	# this weird shuffling is so that direct followup queries
2151	# get handled first	2954	# get handled first
…		…
2163	} else {	2966	} else {
2164	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2967	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2165	}	2968	}
2166	}	2969	}
2167	},	2970	},
		2971	on_exticmd => sub {
		2972	my ($ns, $buf) = @_;
		2973
		2974	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2975
		2976	if (ref $msg) {
		2977	my ($type, $reply, @payload) =
		2978	"ARRAY" eq ref $msg
		2979	? @$msg
		2980	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2981
		2982	my @reply;
		2983
		2984	if (my $cb = $EXTICMD{$type}) {
		2985	@reply = $cb->($ns, @payload);
		2986	}
		2987
		2988	$ns->ext_reply ($reply, @reply)
		2989	if $reply;
		2990
		2991	} else {
		2992	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2993	}
		2994
		2995	cf::override;
		2996	},
2168	);	2997	);
2169		2998
2170	=item $client->async (\&cb)	2999	=item $client->async (\&cb)
2171		3000
2172	Create a new coroutine, running the specified callback. The coroutine will	3001	Create a new coroutine, running the specified callback. The coroutine will
…		…
2213	our $safe = new Safe "safe";	3042	our $safe = new Safe "safe";
2214	our $safe_hole = new Safe::Hole;	3043	our $safe_hole = new Safe::Hole;
2215		3044
2216	$SIG{FPE} = 'IGNORE';	3045	$SIG{FPE} = 'IGNORE';
2217		3046
2218	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3047	$safe->permit_only (Opcode::opset qw(
		3048	:base_core :base_mem :base_orig :base_math
		3049	grepstart grepwhile mapstart mapwhile
		3050	sort time
		3051	));
2219		3052
2220	# here we export the classes and methods available to script code	3053	# here we export the classes and methods available to script code
2221		3054
2222	=pod	3055	=pod
2223		3056
2224	The following functions and methods are available within a safe environment:	3057	The following functions and methods are available within a safe environment:
2225		3058
2226	cf::object contr pay_amount pay_player map	3059	cf::object
		3060	contr pay_amount pay_player map x y force_find force_add destroy
		3061	insert remove name archname title slaying race decrease split
		3062
2227	cf::object::player player	3063	cf::object::player
2228	cf::player peaceful	3064	player
2229	cf::map trigger	3065
		3066	cf::player
		3067	peaceful
		3068
		3069	cf::map
		3070	trigger
2230		3071
2231	=cut	3072	=cut
2232		3073
2233	for (	3074	for (
2234	["cf::object" => qw(contr pay_amount pay_player map)],	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3076	insert remove inv nrof name archname title slaying race
		3077	decrease split destroy change_exp)],
2235	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2236	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful)],
2237	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2238	) {	3081	) {
2239	no strict 'refs';	3082	no strict 'refs';
…		…
2310	=back	3153	=back
2311		3154
2312	=cut	3155	=cut
2313		3156
2314	#############################################################################	3157	#############################################################################
2315
2316	=head2 EXTENSION DATABASE SUPPORT
2317
2318	Crossfire maintains a very simple database for extension use. It can
2319	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2320	convert to/from binary).
2321
2322	The parameter C<$family> should best start with the name of the extension
2323	using it, it should be unique.
2324
2325	=over 4
2326
2327	=item $value = cf::db_get $family => $key
2328
2329	Returns a single value from the database.
2330
2331	=item cf::db_put $family => $key => $value
2332
2333	Stores the given C<$value> in the family.
2334
2335	=cut
2336
2337	our $DB;
2338
2339	sub db_init {
2340	unless ($DB) {
2341	$DB = BDB::db_create $DB_ENV;
2342
2343	cf::sync_job {
2344	eval {
2345	$DB->set_flags (BDB::CHKSUM);
2346
2347	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2348	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2349	cf::cleanup "db_open(db): $!" if $!;
2350	};
2351	cf::cleanup "db_open(db): $@" if $@;
2352	};
2353	}
2354	}
2355
2356	sub db_get($$) {
2357	my $key = "$_[0]/$_[1]";
2358
2359	cf::sync_job {
2360	BDB::db_get $DB, undef, $key, my $data;
2361
2362	$! ? ()
2363	: $data
2364	}
2365	}
2366
2367	sub db_put($$$) {
2368	BDB::dbreq_pri 4;
2369	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2370	}
2371
2372	=item cf::cache $id => [$paths...], $processversion => $process
2373
2374	Generic caching function that returns the value of the resource $id,
2375	caching and regenerating as required.
2376
2377	This function can block.
2378
2379	=cut
2380
2381	sub cache {
2382	my ($id, $src, $processversion, $process) = @_;
2383
2384	my $meta =
2385	join "\x00",
2386	$processversion,
2387	map {
2388	aio_stat $_
2389	and Carp::croak "$_: $!";
2390
2391	($_, (stat _)[7,9])
2392	} @$src;
2393
2394	my $dbmeta = db_get cache => "$id/meta";
2395	if ($dbmeta ne $meta) {
2396	# changed, we may need to process
2397
2398	my @data;
2399	my $md5;
2400
2401	for (0 .. $#$src) {
2402	0 <= aio_load $src->[$_], $data[$_]
2403	or Carp::croak "$src->[$_]: $!";
2404	}
2405
2406	# if processing is expensive, check
2407	# checksum first
2408	if (1) {
2409	$md5 =
2410	join "\x00",
2411	$processversion,
2412	map {
2413	Coro::cede;
2414	($src->[$_], Digest::MD5::md5_hex $data[$_])
2415	} 0.. $#$src;
2416
2417
2418	my $dbmd5 = db_get cache => "$id/md5";
2419	if ($dbmd5 eq $md5) {
2420	db_put cache => "$id/meta", $meta;
2421
2422	return db_get cache => "$id/data";
2423	}
2424	}
2425
2426	my $t1 = Time::HiRes::time;
2427	my $data = $process->(\@data);
2428	my $t2 = Time::HiRes::time;
2429
2430	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2431
2432	db_put cache => "$id/data", $data;
2433	db_put cache => "$id/md5" , $md5;
2434	db_put cache => "$id/meta", $meta;
2435
2436	return $data;
2437	}
2438
2439	db_get cache => "$id/data"
2440	}
2441
2442	=item fork_call { }, $args
2443
2444	Executes the given code block with the given arguments in a seperate
2445	process, returning the results. Everything must be serialisable with
2446	Coro::Storable. May, of course, block. Note that the executed sub may
2447	never block itself or use any form of Event handling.
2448
2449	=cut
2450
2451	sub fork_call(&@) {
2452	my ($cb, @args) = @_;
2453
2454	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2455	# or die "socketpair: $!";
2456	pipe my $fh1, my $fh2
2457	or die "pipe: $!";
2458
2459	if (my $pid = fork) {
2460	close $fh2;
2461
2462	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2463	$res = Coro::Storable::thaw $res;
2464
2465	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2466
2467	die $$res unless "ARRAY" eq ref $res;
2468
2469	return wantarray ? @$res : $res->[-1];
2470	} else {
2471	reset_signals;
2472	local $SIG{__WARN__};
2473	local $SIG{__DIE__};
2474	eval {
2475	close $fh1;
2476
2477	my @res = eval { $cb->(@args) };
2478	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2479	};
2480
2481	warn $@ if $@;
2482	_exit 0;
2483	}
2484	}
2485
2486
2487
2488	#############################################################################
2489	# the server's init and main functions	3158	# the server's init and main functions
2490		3159
2491	sub load_facedata($) {	3160	sub load_facedata($) {
2492	my ($path) = @_;	3161	my ($path) = @_;
		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2493		3168
2494	warn "loading facedata from $path\n";	3169	warn "loading facedata from $path\n";
2495		3170
2496	my $facedata;	3171	my $facedata;
2497	0 < aio_load $path, $facedata	3172	0 < aio_load $path, $facedata
…		…
2500	$facedata = Coro::Storable::thaw $facedata;	3175	$facedata = Coro::Storable::thaw $facedata;
2501		3176
2502	$facedata->{version} == 2	3177	$facedata->{version} == 2
2503	or cf::cleanup "$path: version mismatch, cannot proceed.";	3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2504		3179
		3180	# patch in the exptable
		3181	$facedata->{resource}{"res/exp_table"} = {
		3182	type => FT_RSRC,
		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3184	};
		3185	cf::cede_to_tick;
		3186
2505	{	3187	{
2506	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
2507		3189
2508	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2509	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
2510	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
2511	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2512	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2513	Coro::cede;	3197
		3198	cf::cede_to_tick;
2514	}	3199	}
2515		3200
2516	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2517	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2518	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2519	or next;	3205	or next;
		3206
2520	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
2521	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2522	} else {	3210	} else {
2523	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
2524	}	3212	}
2525	Coro::cede;	3213
		3214	cf::cede_to_tick;
2526	}	3215	}
2527	}	3216	}
2528		3217
2529	{	3218	{
2530	my $anims = $facedata->{animinfo};	3219	my $anims = $facedata->{animinfo};
2531		3220
2532	while (my ($anim, $info) = each %$anims) {	3221	while (my ($anim, $info) = each %$anims) {
2533	cf::anim::set $anim, $info->{frames}, $info->{facings};	3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
2534	Coro::cede;	3223	cf::cede_to_tick;
2535	}	3224	}
2536		3225
2537	cf::anim::invalidate_all; # d'oh	3226	cf::anim::invalidate_all; # d'oh
2538	}	3227	}
2539		3228
		3229	{
		3230	# TODO: for gcfclient pleasure, we should give resources
		3231	# that gcfclient doesn't grok a >10000 face index.
		3232	my $res = $facedata->{resource};
		3233
		3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
		3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
		3238
		3239	if ($info->{type} & 1) {
		3240	# prepend meta info
		3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
		3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
		3254	} else {
		3255	$RESOURCE{$name} = $info;
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3263
2540	1	3264	1
2541	}	3265	}
2542		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
2543	sub reload_regions {	3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
2544	load_resource_file "$MAPDIR/regions"	3310	load_resource_file "$MAPDIR/regions"
2545	or die "unable to load regions file\n";	3311	or die "unable to load regions file\n";
		3312
		3313	for (cf::region::list) {
		3314	$_->{match} = qr/$_->{match}/
		3315	if exists $_->{match};
		3316	}
2546	}	3317	}
2547		3318
2548	sub reload_facedata {	3319	sub reload_facedata {
2549	load_facedata "$DATADIR/facedata"	3320	load_facedata "$DATADIR/facedata"
2550	or die "unable to load facedata\n";	3321	or die "unable to load facedata\n";
…		…
2561	}	3332	}
2562		3333
2563	sub reload_resources {	3334	sub reload_resources {
2564	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
2565		3336
2566	reload_regions;
2567	reload_facedata;	3337	reload_facedata;
2568	reload_archetypes;	3338	reload_archetypes;
		3339	reload_regions;
2569	reload_treasures;	3340	reload_treasures;
2570		3341
2571	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
2572	}	3343	}
2573		3344
2574	sub init {	3345	sub init {
		3346	my $guard = freeze_mainloop;
		3347
		3348	evthread_start IO::AIO::poll_fileno;
		3349
2575	reload_resources;	3350	reload_resources;
2576	}	3351	}
2577		3352
2578	sub cfg_load {	3353	sub reload_config {
2579	open my $fh, "<:utf8", "$CONFDIR/config"	3354	open my $fh, "<:utf8", "$CONFDIR/config"
2580	or return;	3355	or return;
2581		3356
2582	local $/;	3357	local $/;
2583	*CFG = YAML::Syck::Load <$fh>;	3358	*CFG = YAML::Load <$fh>;
2584		3359
2585	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3360	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2586		3361
2587	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3362	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2588	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3363	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2594	};	3369	};
2595	warn $@ if $@;	3370	warn $@ if $@;
2596	}	3371	}
2597	}	3372	}
2598		3373
		3374	sub pidfile() {
		3375	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3376	or die "$PIDFILE: $!";
		3377	flock $fh, &Fcntl::LOCK_EX
		3378	or die "$PIDFILE: flock: $!";
		3379	$fh
		3380	}
		3381
		3382	# make sure only one server instance is running at any one time
		3383	sub atomic {
		3384	my $fh = pidfile;
		3385
		3386	my $pid = <$fh>;
		3387	kill 9, $pid if $pid > 0;
		3388
		3389	seek $fh, 0, 0;
		3390	print $fh $$;
		3391	}
		3392
2599	sub main {	3393	sub main {
		3394	atomic;
		3395
2600	# we must not ever block the main coroutine	3396	# we must not ever block the main coroutine
2601	local $Coro::idle = sub {	3397	local $Coro::idle = sub {
2602	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3398	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2603	(async {	3399	(async {
2604	Event::one_event;	3400	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3401	EV::loop EV::LOOP_ONESHOT;
2605	})->prio (Coro::PRIO_MAX);	3402	})->prio (Coro::PRIO_MAX);
2606	};	3403	};
2607		3404
2608	cfg_load;	3405	{
		3406	my $guard = freeze_mainloop;
		3407	reload_config;
2609	db_init;	3408	db_init;
2610	load_extensions;	3409	load_extensions;
2611		3410
2612	$TICK_WATCHER->start;	3411	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3412	}
		3413
		3414	utime time, time, $RUNTIMEFILE;
		3415
		3416	# no (long-running) fork's whatsoever before this point(!)
		3417	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3418
2613	Event::loop;	3419	EV::loop;
2614	}	3420	}
2615		3421
2616	#############################################################################	3422	#############################################################################
2617	# initialisation and cleanup	3423	# initialisation and cleanup
2618		3424
2619	# install some emergency cleanup handlers	3425	# install some emergency cleanup handlers
2620	BEGIN {	3426	BEGIN {
		3427	our %SIGWATCHER = ();
2621	for my $signal (qw(INT HUP TERM)) {	3428	for my $signal (qw(INT HUP TERM)) {
2622	Event->signal (	3429	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2623	reentrant => 0,
2624	data => WF_AUTOCANCEL,
2625	signal => $signal,
2626	prio => 0,
2627	cb => sub {
2628	cf::cleanup "SIG$signal";	3430	cf::cleanup "SIG$signal";
2629	},
2630	);	3431	};
		3432	}
		3433	}
		3434
		3435	sub write_runtime_sync {
		3436	# first touch the runtime file to show we are still running:
		3437	# the fsync below can take a very very long time.
		3438
		3439	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3440
		3441	my $guard = cf::lock_acquire "write_runtime";
		3442
		3443	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3444	or return;
		3445
		3446	my $value = $cf::RUNTIME + 90 + 10;
		3447	# 10 is the runtime save interval, for a monotonic clock
		3448	# 60 allows for the watchdog to kill the server.
		3449
		3450	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3451	and return;
		3452
		3453	# always fsync - this file is important
		3454	aio_fsync $fh
		3455	and return;
		3456
		3457	# touch it again to show we are up-to-date
		3458	aio_utime $fh, undef, undef;
		3459
		3460	close $fh
		3461	or return;
		3462
		3463	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3464	and return;
		3465
		3466	warn "runtime file written.\n";
		3467
2631	}	3468	1
		3469	}
		3470
		3471	our $uuid_lock;
		3472	our $uuid_skip;
		3473
		3474	sub write_uuid_sync($) {
		3475	$uuid_skip ||= $_[0];
		3476
		3477	return if $uuid_lock;
		3478	local $uuid_lock = 1;
		3479
		3480	my $uuid = "$LOCALDIR/uuid";
		3481
		3482	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3486	$uuid_skip = 0;
		3487
		3488	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3489	and return;
		3490
		3491	# always fsync - this file is important
		3492	aio_fsync $fh
		3493	and return;
		3494
		3495	close $fh
		3496	or return;
		3497
		3498	aio_rename "$uuid~", $uuid
		3499	and return;
		3500
		3501	warn "uuid file written ($value).\n";
		3502
		3503	1
		3504
		3505	}
		3506
		3507	sub write_uuid($$) {
		3508	my ($skip, $sync) = @_;
		3509
		3510	$sync ? write_uuid_sync $skip
		3511	: async { write_uuid_sync $skip };
2632	}	3512	}
2633		3513
2634	sub emergency_save() {	3514	sub emergency_save() {
2635	my $freeze_guard = cf::freeze_mainloop;	3515	my $freeze_guard = cf::freeze_mainloop;
2636		3516
…		…
2642	# and maps saved/destroyed asynchronously.	3522	# and maps saved/destroyed asynchronously.
2643	warn "begin emergency player save\n";	3523	warn "begin emergency player save\n";
2644	for my $login (keys %cf::PLAYER) {	3524	for my $login (keys %cf::PLAYER) {
2645	my $pl = $cf::PLAYER{$login} or next;	3525	my $pl = $cf::PLAYER{$login} or next;
2646	$pl->valid or next;	3526	$pl->valid or next;
		3527	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2647	$pl->save;	3528	$pl->save;
2648	}	3529	}
2649	warn "end emergency player save\n";	3530	warn "end emergency player save\n";
2650		3531
2651	warn "begin emergency map save\n";	3532	warn "begin emergency map save\n";
…		…
2657	warn "end emergency map save\n";	3538	warn "end emergency map save\n";
2658		3539
2659	warn "begin emergency database checkpoint\n";	3540	warn "begin emergency database checkpoint\n";
2660	BDB::db_env_txn_checkpoint $DB_ENV;	3541	BDB::db_env_txn_checkpoint $DB_ENV;
2661	warn "end emergency database checkpoint\n";	3542	warn "end emergency database checkpoint\n";
		3543
		3544	warn "begin write uuid\n";
		3545	write_uuid_sync 1;
		3546	warn "end write uuid\n";
2662	};	3547	};
2663		3548
2664	warn "leave emergency perl save\n";	3549	warn "leave emergency perl save\n";
2665	}	3550	}
2666		3551
2667	sub post_cleanup {	3552	sub post_cleanup {
2668	my ($make_core) = @_;	3553	my ($make_core) = @_;
2669		3554
2670	warn Carp::longmess "post_cleanup backtrace"	3555	warn Carp::longmess "post_cleanup backtrace"
2671	if $make_core;	3556	if $make_core;
		3557
		3558	my $fh = pidfile;
		3559	unlink $PIDFILE if <$fh> == $$;
2672	}	3560	}
		3561
		3562	# a safer delete_package, copied from Symbol
		3563	sub clear_package($) {
		3564	my $pkg = shift;
		3565
		3566	# expand to full symbol table name if needed
		3567	unless ($pkg =~ /^main::.*::$/) {
		3568	$pkg = "main$pkg" if $pkg =~ /^::/;
		3569	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3570	$pkg .= '::' unless $pkg =~ /::$/;
		3571	}
		3572
		3573	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3574	my $stem_symtab = *{$stem}{HASH};
		3575
		3576	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3577	or return;
		3578
		3579	# clear all symbols
		3580	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3581	for my $name (keys %$leaf_symtab) {
		3582	_gv_clear *{"$pkg$name"};
		3583	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3584	}
		3585	warn "cleared package #$pkg\n";#d#
		3586	}
		3587
		3588	our $RELOAD; # how many times to reload
2673		3589
2674	sub do_reload_perl() {	3590	sub do_reload_perl() {
2675	# can/must only be called in main	3591	# can/must only be called in main
2676	if ($Coro::current != $Coro::main) {	3592	if ($Coro::current != $Coro::main) {
2677	warn "can only reload from main coroutine";	3593	warn "can only reload from main coroutine";
2678	return;	3594	return;
2679	}	3595	}
2680		3596
		3597	return if $RELOAD++;
		3598
		3599	while ($RELOAD) {
2681	warn "reloading...";	3600	warn "reloading...";
2682		3601
2683	warn "entering sync_job";	3602	warn "entering sync_job";
2684		3603
2685	cf::sync_job {	3604	cf::sync_job {
2686	cf::write_runtime; # external watchdog should not bark	3605	cf::write_runtime_sync; # external watchdog should not bark
2687	cf::emergency_save;	3606	cf::emergency_save;
2688	cf::write_runtime; # external watchdog should not bark	3607	cf::write_runtime_sync; # external watchdog should not bark
2689		3608
2690	warn "syncing database to disk";	3609	warn "syncing database to disk";
2691	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
2692		3611
2693	# if anything goes wrong in here, we should simply crash as we already saved	3612	# if anything goes wrong in here, we should simply crash as we already saved
2694		3613
2695	warn "cancelling all WF_AUTOCANCEL watchers";
2696	for (Event::all_watchers) {
2697	$_->cancel if $_->data & WF_AUTOCANCEL;
2698	}
2699
2700	warn "flushing outstanding aio requests";	3614	warn "flushing outstanding aio requests";
2701	for (;;) {
2702	BDB::flush;
2703	IO::AIO::flush;
2704	Coro::cede;
2705	last unless IO::AIO::nreqs || BDB::nreqs;	3615	while (IO::AIO::nreqs || BDB::nreqs) {
2706	warn "iterate...";	3616	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2707	}
2708
2709	++$RELOAD;
2710
2711	warn "cancelling all extension coros";
2712	$_->cancel for values %EXT_CORO;
2713	%EXT_CORO = ();
2714
2715	warn "removing commands";
2716	%COMMAND = ();
2717
2718	warn "removing ext commands";
2719	%EXTCMD = ();
2720
2721	warn "unloading/nuking all extensions";
2722	for my $pkg (@EXTS) {
2723	warn "... unloading $pkg";
2724
2725	if (my $cb = $pkg->can ("unload")) {
2726	eval {
2727	$cb->($pkg);
2728	1
2729	} or warn "$pkg unloaded, but with errors: $@";
2730	}	3617	}
2731		3618
2732	warn "... nuking $pkg";	3619	warn "cancelling all extension coros";
2733	Symbol::delete_package $pkg;	3620	$_->cancel for values %EXT_CORO;
2734	}	3621	%EXT_CORO = ();
2735		3622
2736	warn "unloading all perl modules loaded from $LIBDIR";	3623	warn "removing commands";
2737	while (my ($k, $v) = each %INC) {	3624	%COMMAND = ();
2738	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2739		3625
		3626	warn "removing ext/exti commands";
		3627	%EXTCMD = ();
		3628	%EXTICMD = ();
		3629
		3630	warn "unloading/nuking all extensions";
		3631	for my $pkg (@EXTS) {
2740	warn "... unloading $k";	3632	warn "... unloading $pkg";
2741	delete $INC{$k};
2742		3633
2743	$k =~ s/\.pm$//;
2744	$k =~ s/\//::/g;
2745
2746	if (my $cb = $k->can ("unload_module")) {	3634	if (my $cb = $pkg->can ("unload")) {
		3635	eval {
2747	$cb->();	3636	$cb->($pkg);
		3637	1
		3638	} or warn "$pkg unloaded, but with errors: $@";
		3639	}
		3640
		3641	warn "... clearing $pkg";
		3642	clear_package $pkg;
2748	}	3643	}
2749		3644
2750	Symbol::delete_package $k;	3645	warn "unloading all perl modules loaded from $LIBDIR";
		3646	while (my ($k, $v) = each %INC) {
		3647	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3648
		3649	warn "... unloading $k";
		3650	delete $INC{$k};
		3651
		3652	$k =~ s/\.pm$//;
		3653	$k =~ s/\//::/g;
		3654
		3655	if (my $cb = $k->can ("unload_module")) {
		3656	$cb->();
		3657	}
		3658
		3659	clear_package $k;
2751	}	3660	}
2752		3661
2753	warn "getting rid of safe::, as good as possible";	3662	warn "getting rid of safe::, as good as possible";
2754	Symbol::delete_package "safe::$_"	3663	clear_package "safe::$_"
2755	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3664	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2756		3665
2757	warn "unloading cf.pm \"a bit\"";	3666	warn "unloading cf.pm \"a bit\"";
2758	delete $INC{"cf.pm"};	3667	delete $INC{"cf.pm"};
2759	delete $INC{"cf/pod.pm"};	3668	delete $INC{"cf/pod.pm"};
2760		3669
2761	# don't, removes xs symbols, too,	3670	# don't, removes xs symbols, too,
2762	# and global variables created in xs	3671	# and global variables created in xs
2763	#Symbol::delete_package __PACKAGE__;	3672	#clear_package __PACKAGE__;
2764		3673
2765	warn "unload completed, starting to reload now";	3674	warn "unload completed, starting to reload now";
2766		3675
2767	warn "reloading cf.pm";	3676	warn "reloading cf.pm";
2768	require cf;	3677	require cf;
2769	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3678	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2770		3679
2771	warn "loading config and database again";	3680	warn "loading config and database again";
2772	cf::cfg_load;	3681	cf::reload_config;
2773		3682
2774	warn "loading extensions";	3683	warn "loading extensions";
2775	cf::load_extensions;	3684	cf::load_extensions;
2776		3685
2777	warn "reattaching attachments to objects/players";	3686	warn "reattaching attachments to objects/players";
2778	_global_reattach; # objects, sockets	3687	_global_reattach; # objects, sockets
2779	warn "reattaching attachments to maps";	3688	warn "reattaching attachments to maps";
2780	reattach $_ for values %MAP;	3689	reattach $_ for values %MAP;
2781	warn "reattaching attachments to players";	3690	warn "reattaching attachments to players";
2782	reattach $_ for values %PLAYER;	3691	reattach $_ for values %PLAYER;
2783		3692
2784	warn "leaving sync_job";	3693	warn "leaving sync_job";
2785		3694
2786	1	3695	1
2787	} or do {	3696	} or do {
2788	warn $@;	3697	warn $@;
2789	warn "error while reloading, exiting.";	3698	cf::cleanup "error while reloading, exiting.";
2790	exit 1;
2791	};	3699	};
2792		3700
2793	warn "reloaded";	3701	warn "reloaded";
		3702	--$RELOAD;
		3703	}
2794	};	3704	};
2795		3705
2796	our $RELOAD_WATCHER; # used only during reload	3706	our $RELOAD_WATCHER; # used only during reload
2797		3707
2798	sub reload_perl() {	3708	sub reload_perl() {
2799	# doing reload synchronously and two reloads happen back-to-back,	3709	# doing reload synchronously and two reloads happen back-to-back,
2800	# coro crashes during coro_state_free->destroy here.	3710	# coro crashes during coro_state_free->destroy here.
2801		3711
2802	$RELOAD_WATCHER ||= Event->timer (	3712	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2803	reentrant => 0,
2804	after => 0,
2805	data => WF_AUTOCANCEL,
2806	cb => sub {
2807	do_reload_perl;	3713	do_reload_perl;
2808	undef $RELOAD_WATCHER;	3714	undef $RELOAD_WATCHER;
2809	},
2810	);	3715	};
2811	}	3716	}
2812		3717
2813	register_command "reload" => sub {	3718	register_command "reload" => sub {
2814	my ($who, $arg) = @_;	3719	my ($who, $arg) = @_;
2815		3720
2816	if ($who->flag (FLAG_WIZ)) {	3721	if ($who->flag (FLAG_WIZ)) {
2817	$who->message ("reloading server.");	3722	$who->message ("reloading server.");
		3723	async {
		3724	$Coro::current->{desc} = "perl_reload";
2818	async { reload_perl };	3725	reload_perl;
		3726	};
2819	}	3727	}
2820	};	3728	};
2821		3729
2822	unshift @INC, $LIBDIR;	3730	unshift @INC, $LIBDIR;
2823		3731
…		…
2825		3733
2826	our @WAIT_FOR_TICK;	3734	our @WAIT_FOR_TICK;
2827	our @WAIT_FOR_TICK_BEGIN;	3735	our @WAIT_FOR_TICK_BEGIN;
2828		3736
2829	sub wait_for_tick {	3737	sub wait_for_tick {
2830	return unless $TICK_WATCHER->is_active;
2831	return if $Coro::current == $Coro::main;	3738	return if tick_inhibit || $Coro::current == $Coro::main;
2832		3739
2833	my $signal = new Coro::Signal;	3740	my $signal = new Coro::Signal;
2834	push @WAIT_FOR_TICK, $signal;	3741	push @WAIT_FOR_TICK, $signal;
2835	$signal->wait;	3742	$signal->wait;
2836	}	3743	}
2837		3744
2838	sub wait_for_tick_begin {	3745	sub wait_for_tick_begin {
2839	return unless $TICK_WATCHER->is_active;
2840	return if $Coro::current == $Coro::main;	3746	return if tick_inhibit || $Coro::current == $Coro::main;
2841		3747
2842	my $signal = new Coro::Signal;	3748	my $signal = new Coro::Signal;
2843	push @WAIT_FOR_TICK_BEGIN, $signal;	3749	push @WAIT_FOR_TICK_BEGIN, $signal;
2844	$signal->wait;	3750	$signal->wait;
2845	}	3751	}
2846		3752
2847	my $min = 1e6;#d#	3753	sub tick {
2848	my $avg = 10;
2849	$TICK_WATCHER = Event->timer (
2850	reentrant => 0,
2851	parked => 1,
2852	prio => 0,
2853	at => $NEXT_TICK || $TICK,
2854	data => WF_AUTOCANCEL,
2855	cb => sub {
2856	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
2857	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3755	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2858	unless ++$bug_warning > 10;	3756	unless ++$bug_warning > 10;
2859	return;	3757	return;
2860	}	3758	}
2861		3759
2862	$NOW = $tick_start = Event::time;
2863
2864	cf::server_tick; # one server iteration	3760	cf::server_tick; # one server iteration
2865		3761
2866	0 && sync_job {#d#	3762	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2867	for(1..10) {	3763	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2868	my $t = Event::time;	3764	Coro::async_pool {
2869	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3765	$Coro::current->{desc} = "runtime saver";
2870	or die;	3766	write_runtime_sync
2871		3767	or warn "ERROR: unable to write runtime file: $!";
2872	$map->width (50);
2873	$map->height (50);
2874	$map->alloc;
2875	$map->_load_objects ("/tmp/x.map", 1);
2876	my $t = Event::time - $t;
2877
2878	#next unless $t < 0.0013;#d#
2879	if ($t < $min) {
2880	$min = $t;
2881	}
2882	$avg = $avg * 0.99 + $t * 0.01;
2883	}
2884	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2885	exit 0;
2886	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2887	};	3768	};
		3769	}
2888		3770
2889	$RUNTIME += $TICK;
2890	$NEXT_TICK += $TICK;
2891
2892	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2893	$NEXT_RUNTIME_WRITE = $NOW + 10;
2894	Coro::async_pool {
2895	write_runtime
2896	or warn "ERROR: unable to write runtime file: $!";
2897	};
2898	}
2899
2900	# my $AFTER = Event::time;
2901	# warn $AFTER - $NOW;#d#
2902
2903	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3771	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2904	$sig->send;	3772	$sig->send;
2905	}	3773	}
2906	while (my $sig = shift @WAIT_FOR_TICK) {	3774	while (my $sig = shift @WAIT_FOR_TICK) {
2907	$sig->send;	3775	$sig->send;
2908	}	3776	}
2909		3777
2910	$NOW = Event::time;	3778	$LOAD = ($NOW - $TICK_START) / $TICK;
2911
2912	# if we are delayed by four ticks or more, skip them all
2913	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2914
2915	$TICK_WATCHER->at ($NEXT_TICK);
2916	$TICK_WATCHER->start;
2917
2918	$LOAD = ($NOW - $tick_start) / $TICK;
2919	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3779	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2920		3780
2921	_post_tick;	3781	if (0) {
2922		3782	if ($NEXT_TICK) {
2923		3783	my $jitter = $TICK_START - $NEXT_TICK;
		3784	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3785	warn "jitter $JITTER\n";#d#
		3786	}
2924	},	3787	}
2925	);	3788	}
2926		3789
2927	{	3790	{
2928	BDB::max_poll_time $TICK * 0.1;	3791	# configure BDB
2929	$BDB_POLL_WATCHER = Event->io (	3792
2930	reentrant => 0,
2931	fd => BDB::poll_fileno,
2932	poll => 'r',
2933	prio => 0,
2934	data => WF_AUTOCANCEL,
2935	cb => \&BDB::poll_cb,
2936	);
2937	BDB::min_parallel 8;	3793	BDB::min_parallel 8;
2938		3794	BDB::max_poll_reqs $TICK * 0.1;
2939	BDB::set_sync_prepare {	3795	$AnyEvent::BDB::WATCHER->priority (1);
2940	my $status;
2941	my $current = $Coro::current;
2942	(
2943	sub {
2944	$status = $!;
2945	$current->ready; undef $current;
2946	},
2947	sub {
2948	Coro::schedule while defined $current;
2949	$! = $status;
2950	},
2951	)
2952	};
2953		3796
2954	unless ($DB_ENV) {	3797	unless ($DB_ENV) {
2955	$DB_ENV = BDB::db_env_create;	3798	$DB_ENV = BDB::db_env_create;
		3799	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3800	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3801	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3802	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3803	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2956		3804
2957	cf::sync_job {	3805	cf::sync_job {
2958	eval {	3806	eval {
2959	BDB::db_env_open	3807	BDB::db_env_open
2960	$DB_ENV,	3808	$DB_ENV,
…		…
2962	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3810	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2963	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3811	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2964	0666;	3812	0666;
2965		3813
2966	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3814	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2967
2968	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2969	$DB_ENV->set_lk_detect;
2970	};	3815	};
2971		3816
2972	cf::cleanup "db_env_open(db): $@" if $@;	3817	cf::cleanup "db_env_open(db): $@" if $@;
2973	};	3818	};
2974	}	3819	}
		3820
		3821	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3822	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3823	};
		3824	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3825	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3826	};
		3827	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3828	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3829	};
2975	}	3830	}
2976		3831
2977	{	3832	{
		3833	# configure IO::AIO
		3834
2978	IO::AIO::min_parallel 8;	3835	IO::AIO::min_parallel 8;
2979
2980	undef $Coro::AIO::WATCHER;
2981	IO::AIO::max_poll_time $TICK * 0.1;	3836	IO::AIO::max_poll_time $TICK * 0.1;
2982	$AIO_POLL_WATCHER = Event->io (	3837	undef $AnyEvent::AIO::WATCHER;
2983	reentrant => 0,
2984	data => WF_AUTOCANCEL,
2985	fd => IO::AIO::poll_fileno,
2986	poll => 'r',
2987	prio => 6,
2988	cb => \&IO::AIO::poll_cb,
2989	);
2990	}	3838	}
2991		3839
2992	my $_log_backtrace;	3840	my $_log_backtrace;
2993		3841
2994	sub _log_backtrace {	3842	sub _log_backtrace {
…		…
2997	$msg =~ s/\n//;	3845	$msg =~ s/\n//;
2998		3846
2999	# limit the # of concurrent backtraces	3847	# limit the # of concurrent backtraces
3000	if ($_log_backtrace < 2) {	3848	if ($_log_backtrace < 2) {
3001	++$_log_backtrace;	3849	++$_log_backtrace;
		3850	my $perl_bt = Carp::longmess $msg;
3002	async {	3851	async {
		3852	$Coro::current->{desc} = "abt $msg";
		3853
3003	my @bt = fork_call {	3854	my @bt = fork_call {
3004	@addr = map { sprintf "%x", $_ } @addr;	3855	@addr = map { sprintf "%x", $_ } @addr;
3005	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3856	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3006	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3857	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3007	or die "addr2line: $!";	3858	or die "addr2line: $!";
…		…
3015	}	3866	}
3016		3867
3017	@funcs	3868	@funcs
3018	};	3869	};
3019		3870
3020	LOG llevInfo, "[ABT] $msg\n";	3871	LOG llevInfo, "[ABT] $perl_bt\n";
		3872	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3021	LOG llevInfo, "[ABT] $_\n" for @bt;	3873	LOG llevInfo, "[ABT] $_\n" for @bt;
3022	--$_log_backtrace;	3874	--$_log_backtrace;
3023	};	3875	};
3024	} else {	3876	} else {
3025	LOG llevInfo, "[ABT] $msg\n";	3877	LOG llevInfo, "[ABT] $msg\n";

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