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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC vs.
Revision 1.449 by root, Sat Sep 20 00:09:27 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, "long sync job\n"
362	if $time > $TICK * 0.5;
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
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	912	$registry = $CB_TYPE[$object_type] ||= [];
628		913
629	} elsif ($type eq "subtype") {	914	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	915	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	916	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	917	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		918
634	} elsif ($type eq "package") {	919	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	920	my $pkg = shift @arg;
636		921
637	while (my ($name, $id) = each %cb_id) {	922	while (my ($name, $id) = each %cb_id) {
…		…
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
…		…
678	if (ref $_[0]) {	963	if (ref $_[0]) {
679	_object_attach @_;	964	_object_attach @_;
680	} else {	965	} else {
681	_attach shift->_attach_registry, @_;	966	_attach shift->_attach_registry, @_;
682	}	967	}
		968	_recalc_want;
683	};	969	};
684		970
685	# all those should be optimised	971	# all those should be optimised
686	sub cf::attachable::detach {	972	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	973	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	976	delete $obj->{_attachment}{$name};
691	reattach ($obj);	977	reattach ($obj);
692	} else {	978	} else {
693	Carp::croak "cannot, currently, detach class attachments";	979	Carp::croak "cannot, currently, detach class attachments";
694	}	980	}
		981	_recalc_want;
695	};	982	};
696		983
697	sub cf::attachable::attached {	984	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	985	my ($obj, $name) = @_;
699		986
…		…
714	";	1001	";
715	die if $@;	1002	die if $@;
716	}	1003	}
717		1004
718	our $override;	1005	our $override;
719	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?
720		1007
721	sub override {	1008	sub override {
722	$override = 1;	1009	$override = 1;
723	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
724	}	1011	}
725		1012
726	sub do_invoke {	1013	sub do_invoke {
727	my $event = shift;	1014	my $event = shift;
728	my $callbacks = shift;	1015	my $callbacks = shift;
729		1016
730	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
731		1018
732	local $override;	1019	local $override;
733		1020
734	for (@$callbacks) {	1021	for (@$callbacks) {
735	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
744	}	1031	}
745		1032
746	0	1033	0
747	}	1034	}
748		1035
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1037
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1039
753	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
754		1041
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1045
759	=back	1046	=back
760		1047
761	=cut	1048	=cut
762		1049
763	#############################################################################	1050	#############################################################################
764	# 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, $ob2
		1093	}
765		1094
766	sub reattach {	1095	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1097	my ($obj) = @_;
769		1098
		1099	# no longer needed after getting rid of delete_package?
770	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
771		1101
772	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
773		1103
774	@$registry = ();	1104	@$registry = ();
775		1105
…		…
790	cf::attachable->attach (	1120	cf::attachable->attach (
791	prio => -1000000,	1121	prio => -1000000,
792	on_instantiate => sub {	1122	on_instantiate => sub {
793	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
794		1124
795	$data = from_json $data;	1125	$data = decode_json $data;
796		1126
797	for (@$data) {	1127	for (@$data) {
798	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
799		1129
800	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1146	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
818		1148
819	sync_job {	1149	sync_job {
820	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
823		1154
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
828	close $fh;	1159	aio_close $fh;
829		1160
830	if (@$objs) {	1161	if (@$objs) {
831	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) {
832	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
836	close $fh;	1167	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
838	}	1169	}
839	} else {	1170	} else {
840	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
841	}	1172	}
…		…
846	}	1177	}
847	} else {	1178	} else {
848	aio_unlink $filename;	1179	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
850	}	1181	}
851	}	1182	};
852	}	1183	}
853		1184
854	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
856		1187
…		…
868	or return;	1199	or return;
869		1200
870	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
872	or return;	1203	or return;
		1204
873	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
874	}	1207	}
875		1208
		1209	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1211	$decname, length $data, scalar @{$av || []};
		1212
878	return ($data, $av);	1213	($data, $av)
879	}	1214	}
		1215
		1216	=head2 COMMAND CALLBACKS
		1217
		1218	=over 4
		1219
		1220	=cut
880		1221
881	#############################################################################	1222	#############################################################################
882	# command handling &c	1223	# command handling &c
883		1224
884	=item cf::register_command $name => \&callback($ob,$args);	1225	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1238	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1239	}
899		1240
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1241	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1242
902	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.
903		1248
904	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
905	called.	1250	called.
906		1251
		1252	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1253
		1254	Register a callback for execution when the client sends an (asynchronous)
		1255	exticmd packet. Exti commands are processed by the server as soon as they
		1256	are received, i.e. out of order w.r.t. other commands. The first argument
		1257	is a client socket. Exti commands can be received anytime, even before
		1258	log-in.
		1259
		1260	If the callback returns something, it is sent back as if reply was being
		1261	called.
		1262
907	=cut	1263	=cut
908		1264
909	sub register_extcmd {	1265	sub register_extcmd {
910	my ($name, $cb) = @_;	1266	my ($name, $cb) = @_;
911		1267
912	$EXTCMD{$name} = $cb;	1268	$EXTCMD{$name} = $cb;
		1269	}
		1270
		1271	sub register_exticmd {
		1272	my ($name, $cb) = @_;
		1273
		1274	$EXTICMD{$name} = $cb;
913	}	1275	}
914		1276
915	cf::player->attach (	1277	cf::player->attach (
916	on_command => sub {	1278	on_command => sub {
917	my ($pl, $name, $params) = @_;	1279	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1288	cf::override;
927	},	1289	},
928	on_extcmd => sub {	1290	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
930		1292
931	my $msg = eval { from_json $buf };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1294
933	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
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
939	} else {	1310	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1312	}
942		1313
943	cf::override;	1314	cf::override;
944	},	1315	},
945	);	1316	);
946		1317
947	sub load_extension {
948	my ($path) = @_;
949
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}
975	die $@;
976	}
977
978	push @EXTS, $pkg;
979	}
980
981	sub load_extensions {	1318	sub load_extensions {
		1319	cf::sync_job {
		1320	my %todo;
		1321
982	for my $ext (<$LIBDIR/*.ext>) {	1322	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1323	next unless -r $path;
984	eval {	1324
985	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	$progress = 1;
986	1	1381	}
987	} or warn "$ext not loaded: $@";	1382
		1383	skip:
		1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1385	unless $progress;
		1386	}
988	}	1387	};
989	}	1388	}
990		1389
991	#############################################################################	1390	#############################################################################
992		1391
		1392	=back
		1393
993	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
994		1395
995	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
996		1397
997	=cut	1398	=cut
998		1399
999	package cf::player;	1400	package cf::player;
1000		1401
1001	use Coro::AIO;	1402	use Coro::AIO;
1002		1403
1003	=head3 cf::player	1404	=head3 cf::player
1004		1405
1005	=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	}
1006		1421
1007	=item cf::player::find $login	1422	=item cf::player::find $login
1008		1423
1009	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
1010		1425
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1464	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1465
1051	my $pl = load_pl path $login	1466	my $f = new_from_file cf::object::thawer path $login
1052	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;
1053	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
1054	}	1475	}
1055	}	1476	}
1056	}	1477	}
1057		1478
…		…
1066	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1067		1488
1068	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
1070		1491
		1492	cf::get_slot 0.01;
		1493
1071	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1072	Coro::cede;	1495	cf::cede_to_tick;
1073	}	1496	}
1074		1497
1075	sub new($) {	1498	sub new($) {
1076	my ($login) = @_;	1499	my ($login) = @_;
1077		1500
…		…
1083	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1084		1507
1085	$self	1508	$self
1086	}	1509	}
1087		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
1088	=item $pl->quit_character	1521	=item $pl->quit_character
1089		1522
1090	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1092		1525
…		…
1096	my ($pl) = @_;	1529	my ($pl) = @_;
1097		1530
1098	my $name = $pl->ob->name;	1531	my $name = $pl->ob->name;
1099		1532
1100	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1101	$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
1102		1535
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1107		1542
1108	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1580	or return [];
1146		1581
1147	my @logins;	1582	my @logins;
1148		1583
1149	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") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1153		1594
1154	utf8::decode $login;	1595	utf8::decode $login;
1155	push @logins, $login;	1596	push @logins, $login;
1156	}	1597	}
1157		1598
…		…
1184	}	1625	}
1185		1626
1186	\@paths	1627	\@paths
1187	}	1628	}
1188		1629
		1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1631
		1632	Expand deliantra pod fragments into protocol xml.
		1633
1189	=item $player->ext_reply ($msgid, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1190		1635
1191	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1192		1637
1193	=cut	1638	=cut
1194		1639
1195	sub ext_reply($$%) {	1640	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1197		1642
1198	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1644	}
1202		1645
1203	=item $player->ext_event ($type, %msg)	1646	=item $player->ext_msg ($type, @msg)
1204		1647
1205	Sends an ext event to the client.	1648	Sends an ext event to the client.
1206		1649
1207	=cut	1650	=cut
1208		1651
1209	sub ext_event($$%) {	1652	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1653	my ($self, $type, @msg) = @_;
1211		1654
1212	$self->ns->ext_event ($type, %msg);	1655	$self->ns->ext_msg ($type, @msg);
1213	}	1656	}
1214		1657
1215	=head3 cf::region	1658	=head3 cf::region
1216		1659
1217	=over 4	1660	=over 4
…		…
1220		1663
1221	package cf::region;	1664	package cf::region;
1222		1665
1223	=item cf::region::find_by_path $path	1666	=item cf::region::find_by_path $path
1224		1667
1225	Tries to decuce the probable region for a map knowing only its path.	1668	Tries to decuce the likely region for a map knowing only its path.
1226		1669
1227	=cut	1670	=cut
1228		1671
1229	sub find_by_path($) {	1672	sub find_by_path($) {
1230	my ($path) = @_;	1673	my ($path) = @_;
1231		1674
1232	my ($match, $specificity);	1675	my ($match, $specificity);
1233		1676
1234	for my $region (list) {	1677	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1678	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1679	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1680	if $region->specificity > $specificity;
1238	}	1681	}
1239	}	1682	}
1240		1683
…		…
1261	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1263		1706
1264	sub generate_random_map {	1707	sub generate_random_map {
1265	my ($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
1266	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1713	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1304	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1305		1751
1306	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1307	local $self->{path};	1753	local $self->{path};
1308	local $self->{load_path};	1754	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1755
1312	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1313	}	1757	}
1314		1758
1315	sub normalise {	1759	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1363	return $self;	1807	return $self;
1364	}	1808	}
1365	}	1809	}
1366		1810
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1812	()
1369	}	1813	}
1370		1814
1371	sub init {	1815	sub init {
1372	my ($self) = @_;	1816	my ($self) = @_;
…		…
1394		1838
1395	# the temporary/swap location	1839	# the temporary/swap location
1396	sub save_path {	1840	sub save_path {
1397	my ($self) = @_;	1841	my ($self) = @_;
1398		1842
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1844	"$TMPDIR/$path.map"
1401	}	1845	}
1402		1846
1403	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1404	sub uniq_path {	1848	sub uniq_path {
1405	my ($self) = @_;	1849	my ($self) = @_;
1406		1850
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1852	"$UNIQUEDIR/$path"
1409	}	1853	}
1410		1854
1411	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1412	# all maps in C++...	1856	# all maps in C++...
…		…
1415		1859
1416	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1418	}	1862	}
1419		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1420	sub unlink_save {	1872	sub unlink_save {
1421	my ($self) = @_;	1873	my ($self) = @_;
1422		1874
1423	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1879
1428	sub load_header_from($) {	1880	sub load_header_from($) {
1429	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1430		1882
1431	utf8::encode $path;	1883	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	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;
1437		1892
1438	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1439		1894
1440	1	1895	1
1441	}	1896	}
…		…
1480	$self->load_header_orig	1935	$self->load_header_orig
1481	or return;	1936	or return;
1482	$self->prepare_orig;	1937	$self->prepare_orig;
1483	}	1938	}
1484		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
1485	$self->default_region (cf::region::find_by_path $self->{path})	1943	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1944	unless $self->default_region;
1487		1945
1488	1	1946	1
1489	}	1947	}
…		…
1492	sub find {	1950	sub find {
1493	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1494		1952
1495	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1496		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1498		1957
1499	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1500	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1501	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1502	or return;	1963	or return;
1503		1964
1504	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1505		1966
1506	$map->load_header	1967	$map->load_header
1507	or return;	1968	or return;
1508		1969
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1512	$map->reset;	1975	$map->reset;
1513	undef $guard;
1514	return find $path;	1976	return find $path;
1515	}	1977	}
1516		1978
1517	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1518	}	1980	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1528		1990
1529	my $path = $self->{path};	1991	my $path = $self->{path};
1530		1992
1531	{	1993	{
1532	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1533		1995
		1996	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		1998
1536	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1537		2000
1538	$self->alloc;	2001	$self->alloc;
1539		2002
1540	$self->pre_load;	2003	$self->pre_load;
1541	Coro::cede;	2004	cf::cede_to_tick;
1542		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1544	or return;	2009	or return;
1545		2010
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1547	if delete $self->{load_original};	2012	if delete $self->{load_original};
1548		2013
1549	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2015	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2018	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1554	}	2022	}
1555	}	2023	}
1556		2024
1557	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1558	# now do the right thing for maps	2028	# now do the right thing for maps
1559	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2031	unless $self->difficulty;
1562	Coro::cede;	2032	cf::cede_to_tick;
1563		2033
1564	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2035	$self->decay_objects;
1566	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1567	$self->update_buttons;	2037	$self->update_buttons;
1568	Coro::cede;	2038	cf::cede_to_tick;
1569	$self->set_darkness_map;	2039	$self->set_darkness_map;
1570	Coro::cede;	2040	cf::cede_to_tick;
1571	$self->activate;	2041	$self->activate;
1572	}	2042	}
1573		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2048	}
1576		2049
1577	$self->post_load;	2050	$self->post_load;
1578	}	2051	}
1579		2052
…		…
1581	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1582		2055
1583	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2057	if $self->per_player;
1585		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1586	$self	2062	$self
1587	}	2063	}
1588		2064
1589	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2066	sub load_neighbours {
1591	my ($map) = @_;	2067	my ($map) = @_;
1592		2068
1593	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1594		2070
1595	for (0 .. 3) {	2071	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1597	or next;	2073	or next;
1598	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1599	or next;	2075	or next;
1600	$neigh->load;	2076	$neigh->load;
1601		2077
		2078	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2081	}
1605		2082
1606	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1608	or next;	2086	or next;
1609	$neigh->load;	2087	$neigh->load;
1610	}	2088	}
1611	}	2089	}
1612		2090
…		…
1617	}	2095	}
1618		2096
1619	sub do_load_sync {	2097	sub do_load_sync {
1620	my ($map) = @_;	2098	my ($map) = @_;
1621		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1622	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1623	}	2104	}
1624		2105
1625	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1627		2108
1628	sub find_async {	2109	sub find_async {
1629	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1630		2111
1631	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1632		2113
1633	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2116	}
1636		2117
1637	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1638	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1639	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2125	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2126	$map->load if $v;
		2127	}
1644		2128
1645	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1646	}	2130	}
1647	}	2131	}
1648	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1649	};	2133	};
1650	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2137	}
1654		2138
1655	sub save {	2139	sub save {
1656	my ($self) = @_;	2140	my ($self) = @_;
1657		2141
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2143
1660	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1661		2145
1662	return unless $self->dirty;	2146	return unless $self->dirty;
1663		2147
…		…
1669	return if $self->{deny_save};	2153	return if $self->{deny_save};
1670		2154
1671	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1672		2156
1673	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1675	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1676		2163
1677	if ($uniq) {	2164	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2167	} else {
…		…
1686	my ($self) = @_;	2173	my ($self) = @_;
1687		2174
1688	# save first because save cedes	2175	# save first because save cedes
1689	$self->save;	2176	$self->save;
1690		2177
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2179
1693	return if $self->players;	2180	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1695	return if $self->{deny_save};	2182	return if $self->{deny_save};
1696		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2188	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2189	}
1700		2190
1701	sub reset_at {	2191	sub reset_at {
1702	my ($self) = @_;	2192	my ($self) = @_;
1703		2193
1704	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1707		2196
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2199
…		…
1721	my ($self) = @_;	2210	my ($self) = @_;
1722		2211
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2213
1725	return if $self->players;	2214	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2215
1728	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1729		2217
1730	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1731		2219
1732	# need to save uniques path	2220	# need to save uniques path
1733	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2225	if $uniq;
1738	}	2226	}
1739		2227
1740	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1741		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2232	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2233
1746	$self->unlink_save;	2234	$self->unlink_save;
1747	$self->destroy;	2235	$self->destroy;
1748	}	2236	}
1749		2237
1750	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1751		2239
1752	sub nuke {	2240	sub nuke {
1753	my ($self) = @_;	2241	my ($self) = @_;
1754		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1755	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1756		2247
1757	$self->unlink_save;	2248	$self->unlink_save;
1758		2249
1759	bless $self, "cf::map";	2250	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2255
1765	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1766		2258
1767	$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	]
1768	}	2296	}
1769		2297
1770	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1771		2299
1772	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2301	instantiated unique items. May block.
1774		2302
1775	=cut	2303	=cut
1776		2304
1777	sub unique_maps() {	2305	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2306	[
1779	or return;	2307	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2308	utf8::decode $_;
1785	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2311	? ()
1788	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2314	]
1790
1791	\@paths
1792	}	2315	}
1793
1794	package cf;
1795		2316
1796	=back	2317	=back
1797		2318
1798	=head3 cf::object	2319	=head3 cf::object
1799		2320
…		…
1803		2324
1804	=over 4	2325	=over 4
1805		2326
1806	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1807		2328
1808	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.
1809		2331
1810	=cut	2332	=cut
1811		2333
1812	sub inv_recursive_;	2334	sub inv_recursive_;
1813	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1816		2338
1817	sub inv_recursive {	2339	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1819	}	2341	}
1820		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
1821	package cf;	2371	package cf;
1822		2372
1823	=back	2373	=back
1824		2374
1825	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1831	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>
1832	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
1833	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1834		2384
1835	=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	};
1836		2400
1837	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2402	# with dialog boxes.
1839	#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
1840	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1842		2406
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2408
1845	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1847	} 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 {
1848	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1850	}	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 (@_);
1851	}	2434	}
1852		2435
1853	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1854		2437
1855	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1868		2451
1869	=item $player_object->enter_link	2452	=item $player_object->enter_link
1870		2453
1871	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}>).
1872		2455
1873	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.
1874	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.
1875		2460
1876	Will never block.	2461	Will never block.
1877		2462
1878	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1879		2464
…		…
1902	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1903		2488
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2490
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1908		2493
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1910	}	2495	}
1911		2496
1912	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1914		2501
1915	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1916		2503
1917	unless ($map) {	2504	unless ($map) {
1918	# restore original map position	2505	# restore original map position
…		…
1932	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1935		2522
1936	$map->load;	2523	$map->load;
1937	$map->load_diag;	2524	$map->load_neighbours;
1938		2525
1939	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1940	$self->activate_recursive;	2528	$self->activate_recursive;
1941		2529
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1944	}	2532	}
1945		2533
1946	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1947	on_logout => sub {
1948	my ($pl) = @_;
1949		2535
1950	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1951	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1952	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1953	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1954	};	2540	be called at the end of this process.
1955	}
1956	},
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2541
1960	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1961	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1962	if ($pl->ob->{_link_pos}) {
1963	$pl->ob->enter_link;
1964	(async {
1965	$pl->ob->reply (undef,
1966	"There was an internal problem at your last logout, "
1967	. "the server will try to bring you to your intended destination in a second.",
1968	cf::NDI_RED);
1969	# we need this sleep as the login has a concurrent enter_exit running
1970	# and this sleep increases chances of the player not ending up in scorn
1971	Coro::Timer::sleep 1;
1972	$pl->ob->leave_link;
1973	})->prio (2);
1974	}
1975	},
1976	);
1977		2544
1978	=item $player_object->goto ($path, $x, $y)
1979
1980	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1981		2548
1982	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
		2551
		2552	# do generation counting so two concurrent goto's will be executed in-order
		2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2554
1985	$self->enter_link;	2555	$self->enter_link;
1986		2556
1987	(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
1988	my $map = eval {	2579	my $map = eval {
1989	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2583	$map = $map->customise_for ($self);
		2584	$map = $check->($map) if $check && $map;
		2585	} else {
		2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588
1991	$map	2589	$map
		2590	};
		2591
		2592	if ($@) {
		2593	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	LOG llevError | logBacktrace, Carp::longmess $@;
1992	} or	2595	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1996	})->prio (1);	2603	})->prio (1);
1997	}	2604	}
1998		2605
1999	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
2000		2607
…		…
2020	}	2627	}
2021		2628
2022	sub prepare_random_map {	2629	sub prepare_random_map {
2023	my ($exit) = @_;	2630	my ($exit) = @_;
2024		2631
2025	my $guard = cf::lock_acquire "exit_prepare:$exit";
2026
2027	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2028	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2029	# that depends on the exit object	2634	# that depends on the exit object
2030		2635
2031	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2033	if ($exit->map) {	2638	if ($exit->map) {
2034	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2035	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2036	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2037	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2038	}	2645	}
2039		2646
2040	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2041		2648
2042	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2043	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2044	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2045		2652
2046	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2047	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2048	undef $fh;	2655	undef $fh;
2049	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2050		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2051	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2052	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2053	}	2664	}
2054	}	2665	}
2055		2666
2056	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2057	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2058		2669
2059	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2060		2671
2061	if ($exit->slaying eq "/!") {
2062	#TODO: this should de-fi-ni-te-ly not be a sync-job
2063	# the problem is that $exit might not survive long enough
2064	# so it needs to be done right now, right here
2065	cf::sync_job { prepare_random_map $exit };
2066	}
2067
2068	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2069	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;
2071
2072	$self->enter_link;	2672	$self->enter_link;
2073		2673
2074	(async {	2674	(async {
2075	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2076	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
2077	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2078		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
2079	1;	2698	1
2080	}) {	2699	}) {
2081	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2082	. "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. "
2083	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2084	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2085		2704
2086	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2105		2724
2106	utf8::encode $text;	2725	utf8::encode $text;
2107	$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);
2108	}	2727	}
2109		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<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/uptime" => {
		2777	id => "infobox",
		2778	title => "Uptime",
		2779	reply => undef,
		2780	tooltip => "How long the server has been running since last restart",
		2781	},
		2782	"c/mapinfo" => {
		2783	id => "infobox",
		2784	title => "Map Info",
		2785	reply => undef,
		2786	tooltip => "Information related to the maps",
		2787	},
		2788	"c/party" => {
		2789	id => "party",
		2790	title => "Party",
		2791	reply => "gsay ",
		2792	tooltip => "Messages and chat related to your party",
		2793	},
		2794	);
		2795
		2796	sub cf::client::send_msg {
		2797	my ($self, $channel, $msg, $color, @extra) = @_;
		2798
		2799	$msg = $self->pl->expand_cfpod ($msg)
		2800	unless $color & cf::NDI_VERBATIM;
		2801
		2802	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2803
		2804	# check predefined channels, for the benefit of C
		2805	if ($CHANNEL{$channel}) {
		2806	$channel = $CHANNEL{$channel};
		2807
		2808	$self->ext_msg (channel_info => $channel)
		2809	if $self->can_msg;
		2810
		2811	$channel = $channel->{id};
		2812
		2813	} elsif (ref $channel) {
		2814	# send meta info to client, if not yet sent
		2815	unless (exists $self->{channel}{$channel->{id}}) {
		2816	$self->{channel}{$channel->{id}} = $channel;
		2817	$self->ext_msg (channel_info => $channel)
		2818	if $self->can_msg;
		2819	}
		2820
		2821	$channel = $channel->{id};
		2822	}
		2823
		2824	return unless @extra || length $msg;
		2825
		2826	if ($self->can_msg) {
		2827	# default colour, mask it out
		2828	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2829	if $color & cf::NDI_DEF;
		2830
		2831	my $pkt = "msg "
		2832	. $self->{json_coder}->encode (
		2833	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2834	);
		2835
		2836	# try lzf for large packets
		2837	$pkt = "lzf " . Compress::LZF::compress $pkt
		2838	if 1024 <= length $pkt and $self->{can_lzf};
		2839
		2840	# split very large packets
		2841	if (8192 < length $pkt and $self->{can_lzf}) {
		2842	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2843	$pkt = "frag";
		2844	}
		2845
		2846	$self->send_packet ($pkt);
		2847	} else {
		2848	if ($color >= 0) {
		2849	# replace some tags by gcfclient-compatible ones
		2850	for ($msg) {
		2851	1 while
		2852	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2853	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2854	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2855	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2856	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2857	}
		2858
		2859	$color &= cf::NDI_COLOR_MASK;
		2860
		2861	utf8::encode $msg;
		2862
		2863	if (0 && $msg =~ /\[/) {
		2864	# COMMAND/INFO
		2865	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2866	} else {
		2867	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2868	$self->send_packet ("drawinfo $color $msg")
		2869	}
		2870	}
		2871	}
		2872	}
		2873
2110	=item $client->ext_event ($type, %msg)	2874	=item $client->ext_msg ($type, @msg)
2111		2875
2112	Sends an exti event to the client.	2876	Sends an ext event to the client.
2113		2877
2114	=cut	2878	=cut
2115		2879
2116	sub cf::client::ext_event($$%) {	2880	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	2881	my ($self, $type, @msg) = @_;
2118		2882
		2883	if ($self->extcmd == 2) {
		2884	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2885	} elsif ($self->extcmd == 1) { # TODO: remove
2119	$msg{msgtype} = "event_$type";	2886	push @msg, msgtype => "event_$type";
2120	$self->send_packet ("ext " . cf::to_json \%msg);	2887	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2888	}
		2889	}
		2890
		2891	=item $client->ext_reply ($msgid, @msg)
		2892
		2893	Sends an ext reply to the client.
		2894
		2895	=cut
		2896
		2897	sub cf::client::ext_reply($$@) {
		2898	my ($self, $id, @msg) = @_;
		2899
		2900	if ($self->extcmd == 2) {
		2901	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2902	} elsif ($self->extcmd == 1) {
		2903	#TODO: version 1, remove
		2904	unshift @msg, msgtype => "reply", msgid => $id;
		2905	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2906	}
2121	}	2907	}
2122		2908
2123	=item $success = $client->query ($flags, "text", \&cb)	2909	=item $success = $client->query ($flags, "text", \&cb)
2124		2910
2125	Queues a query to the client, calling the given callback with	2911	Queues a query to the client, calling the given callback with
2126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2912	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2913	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128		2914
2129	Queries can fail, so check the return code. Or don't, as queries will become	2915	Queries can fail, so check the return code. Or don't, as queries will
2130	reliable at some point in the future.	2916	become reliable at some point in the future.
2131		2917
2132	=cut	2918	=cut
2133		2919
2134	sub cf::client::query {	2920	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	2921	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	2929	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2930	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		2931
2146	$self->send_packet ($self->{query_queue}[0][0])	2932	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	2933	if @{ $self->{query_queue} } == 1;
		2934
		2935	1
2148	}	2936	}
2149		2937
2150	cf::client->attach (	2938	cf::client->attach (
		2939	on_connect => sub {
		2940	my ($ns) = @_;
		2941
		2942	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2943	},
2151	on_reply => sub {	2944	on_reply => sub {
2152	my ($ns, $msg) = @_;	2945	my ($ns, $msg) = @_;
2153		2946
2154	# this weird shuffling is so that direct followup queries	2947	# this weird shuffling is so that direct followup queries
2155	# get handled first	2948	# get handled first
…		…
2167	} else {	2960	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2961	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	2962	}
2170	}	2963	}
2171	},	2964	},
		2965	on_exticmd => sub {
		2966	my ($ns, $buf) = @_;
		2967
		2968	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2969
		2970	if (ref $msg) {
		2971	my ($type, $reply, @payload) =
		2972	"ARRAY" eq ref $msg
		2973	? @$msg
		2974	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2975
		2976	my @reply;
		2977
		2978	if (my $cb = $EXTICMD{$type}) {
		2979	@reply = $cb->($ns, @payload);
		2980	}
		2981
		2982	$ns->ext_reply ($reply, @reply)
		2983	if $reply;
		2984
		2985	} else {
		2986	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2987	}
		2988
		2989	cf::override;
		2990	},
2172	);	2991	);
2173		2992
2174	=item $client->async (\&cb)	2993	=item $client->async (\&cb)
2175		2994
2176	Create a new coroutine, running the specified callback. The coroutine will	2995	Create a new coroutine, running the specified callback. The coroutine will
…		…
2217	our $safe = new Safe "safe";	3036	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	3037	our $safe_hole = new Safe::Hole;
2219		3038
2220	$SIG{FPE} = 'IGNORE';	3039	$SIG{FPE} = 'IGNORE';
2221		3040
2222	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3041	$safe->permit_only (Opcode::opset qw(
		3042	:base_core :base_mem :base_orig :base_math
		3043	grepstart grepwhile mapstart mapwhile
		3044	sort time
		3045	));
2223		3046
2224	# here we export the classes and methods available to script code	3047	# here we export the classes and methods available to script code
2225		3048
2226	=pod	3049	=pod
2227		3050
2228	The following functions and methods are available within a safe environment:	3051	The following functions and methods are available within a safe environment:
2229		3052
2230	cf::object contr pay_amount pay_player map	3053	cf::object
		3054	contr pay_amount pay_player map x y force_find force_add destroy
		3055	insert remove name archname title slaying race decrease split
		3056
2231	cf::object::player player	3057	cf::object::player
2232	cf::player peaceful	3058	player
2233	cf::map trigger	3059
		3060	cf::player
		3061	peaceful
		3062
		3063	cf::map
		3064	trigger
2234		3065
2235	=cut	3066	=cut
2236		3067
2237	for (	3068	for (
2238	["cf::object" => qw(contr pay_amount pay_player map)],	3069	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3070	insert remove inv nrof name archname title slaying race
		3071	decrease split destroy change_exp)],
2239	["cf::object::player" => qw(player)],	3072	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	3073	["cf::player" => qw(peaceful)],
2241	["cf::map" => qw(trigger)],	3074	["cf::map" => qw(trigger)],
2242	) {	3075	) {
2243	no strict 'refs';	3076	no strict 'refs';
…		…
2314	=back	3147	=back
2315		3148
2316	=cut	3149	=cut
2317		3150
2318	#############################################################################	3151	#############################################################################
2319
2320	=head2 EXTENSION DATABASE SUPPORT
2321
2322	Crossfire maintains a very simple database for extension use. It can
2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324	convert to/from binary).
2325
2326	The parameter C<$family> should best start with the name of the extension
2327	using it, it should be unique.
2328
2329	=over 4
2330
2331	=item $value = cf::db_get $family => $key
2332
2333	Returns a single value from the database.
2334
2335	=item cf::db_put $family => $key => $value
2336
2337	Stores the given C<$value> in the family.
2338
2339	=cut
2340
2341	our $DB;
2342
2343	sub db_init {
2344	unless ($DB) {
2345	$DB = BDB::db_create $DB_ENV;
2346
2347	cf::sync_job {
2348	eval {
2349	$DB->set_flags (BDB::CHKSUM);
2350
2351	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353	cf::cleanup "db_open(db): $!" if $!;
2354	};
2355	cf::cleanup "db_open(db): $@" if $@;
2356	};
2357	}
2358	}
2359
2360	sub db_get($$) {
2361	my $key = "$_[0]/$_[1]";
2362
2363	cf::sync_job {
2364	BDB::db_get $DB, undef, $key, my $data;
2365
2366	$! ? ()
2367	: $data
2368	}
2369	}
2370
2371	sub db_put($$$) {
2372	BDB::dbreq_pri 4;
2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374	}
2375
2376	=item cf::cache $id => [$paths...], $processversion => $process
2377
2378	Generic caching function that returns the value of the resource $id,
2379	caching and regenerating as required.
2380
2381	This function can block.
2382
2383	=cut
2384
2385	sub cache {
2386	my ($id, $src, $processversion, $process) = @_;
2387
2388	my $meta =
2389	join "\x00",
2390	$processversion,
2391	map {
2392	aio_stat $_
2393	and Carp::croak "$_: $!";
2394
2395	($_, (stat _)[7,9])
2396	} @$src;
2397
2398	my $dbmeta = db_get cache => "$id/meta";
2399	if ($dbmeta ne $meta) {
2400	# changed, we may need to process
2401
2402	my @data;
2403	my $md5;
2404
2405	for (0 .. $#$src) {
2406	0 <= aio_load $src->[$_], $data[$_]
2407	or Carp::croak "$src->[$_]: $!";
2408	}
2409
2410	# if processing is expensive, check
2411	# checksum first
2412	if (1) {
2413	$md5 =
2414	join "\x00",
2415	$processversion,
2416	map {
2417	Coro::cede;
2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
2419	} 0.. $#$src;
2420
2421
2422	my $dbmd5 = db_get cache => "$id/md5";
2423	if ($dbmd5 eq $md5) {
2424	db_put cache => "$id/meta", $meta;
2425
2426	return db_get cache => "$id/data";
2427	}
2428	}
2429
2430	my $t1 = Time::HiRes::time;
2431	my $data = $process->(\@data);
2432	my $t2 = Time::HiRes::time;
2433
2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436	db_put cache => "$id/data", $data;
2437	db_put cache => "$id/md5" , $md5;
2438	db_put cache => "$id/meta", $meta;
2439
2440	return $data;
2441	}
2442
2443	db_get cache => "$id/data"
2444	}
2445
2446	=item fork_call { }, $args
2447
2448	Executes the given code block with the given arguments in a seperate
2449	process, returning the results. Everything must be serialisable with
2450	Coro::Storable. May, of course, block. Note that the executed sub may
2451	never block itself or use any form of Event handling.
2452
2453	=cut
2454
2455	sub fork_call(&@) {
2456	my ($cb, @args) = @_;
2457
2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459	# or die "socketpair: $!";
2460	pipe my $fh1, my $fh2
2461	or die "pipe: $!";
2462
2463	if (my $pid = fork) {
2464	close $fh2;
2465
2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467	$res = Coro::Storable::thaw $res;
2468
2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471	die $$res unless "ARRAY" eq ref $res;
2472
2473	return wantarray ? @$res : $res->[-1];
2474	} else {
2475	reset_signals;
2476	local $SIG{__WARN__};
2477	local $SIG{__DIE__};
2478	eval {
2479	close $fh1;
2480
2481	my @res = eval { $cb->(@args) };
2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483	};
2484
2485	warn $@ if $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491
2492	#############################################################################
2493	# the server's init and main functions	3152	# the server's init and main functions
2494		3153
2495	sub load_facedata($) {	3154	sub load_facedata($) {
2496	my ($path) = @_;	3155	my ($path) = @_;
		3156
		3157	# HACK to clear player env face cache, we need some signal framework
		3158	# for this (global event?)
		3159	%ext::player_env::MUSIC_FACE_CACHE = ();
		3160
		3161	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2497		3162
2498	warn "loading facedata from $path\n";	3163	warn "loading facedata from $path\n";
2499		3164
2500	my $facedata;	3165	my $facedata;
2501	0 < aio_load $path, $facedata	3166	0 < aio_load $path, $facedata
…		…
2504	$facedata = Coro::Storable::thaw $facedata;	3169	$facedata = Coro::Storable::thaw $facedata;
2505		3170
2506	$facedata->{version} == 2	3171	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	3172	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		3173
		3174	# patch in the exptable
		3175	$facedata->{resource}{"res/exp_table"} = {
		3176	type => FT_RSRC,
		3177	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3178	};
		3179	cf::cede_to_tick;
		3180
2509	{	3181	{
2510	my $faces = $facedata->{faceinfo};	3182	my $faces = $facedata->{faceinfo};
2511		3183
2512	while (my ($face, $info) = each %$faces) {	3184	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3185	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3186
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3187	cf::face::set_visibility $idx, $info->{visibility};
		3188	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3189	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3190	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517	Coro::cede;	3191
		3192	cf::cede_to_tick;
2518	}	3193	}
2519		3194
2520	while (my ($face, $info) = each %$faces) {	3195	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	3196	next unless $info->{smooth};
		3197
2522	my $idx = cf::face::find $face	3198	my $idx = cf::face::find $face
2523	or next;	3199	or next;
		3200
2524	if (my $smooth = cf::face::find $info->{smooth}) {	3201	if (my $smooth = cf::face::find $info->{smooth}) {
		3202	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3203	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	3204	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	3205	warn "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	3206	}
2529	Coro::cede;	3207
		3208	cf::cede_to_tick;
2530	}	3209	}
2531	}	3210	}
2532		3211
2533	{	3212	{
2534	my $anims = $facedata->{animinfo};	3213	my $anims = $facedata->{animinfo};
2535		3214
2536	while (my ($anim, $info) = each %$anims) {	3215	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	3216	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	3217	cf::cede_to_tick;
2539	}	3218	}
2540		3219
2541	cf::anim::invalidate_all; # d'oh	3220	cf::anim::invalidate_all; # d'oh
2542	}	3221	}
2543		3222
		3223	{
		3224	# TODO: for gcfclient pleasure, we should give resources
		3225	# that gcfclient doesn't grok a >10000 face index.
		3226	my $res = $facedata->{resource};
		3227
		3228	while (my ($name, $info) = each %$res) {
		3229	if (defined $info->{type}) {
		3230	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3231	my $data;
		3232
		3233	if ($info->{type} & 1) {
		3234	# prepend meta info
		3235
		3236	my $meta = $enc->encode ({
		3237	name => $name,
		3238	%{ $info->{meta} || {} },
		3239	});
		3240
		3241	$data = pack "(w/a*)*", $meta, $info->{data};
		3242	} else {
		3243	$data = $info->{data};
		3244	}
		3245
		3246	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3247	cf::face::set_type $idx, $info->{type};
		3248	} else {
		3249	$RESOURCE{$name} = $info;
		3250	}
		3251
		3252	cf::cede_to_tick;
		3253	}
		3254	}
		3255
		3256	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3257
2544	1	3258	1
2545	}	3259	}
2546		3260
		3261	cf::global->attach (on_resource_update => sub {
		3262	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3263	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3264
		3265	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3266	my $sound = $soundconf->{compat}[$_]
		3267	or next;
		3268
		3269	my $face = cf::face::find "sound/$sound->[1]";
		3270	cf::sound::set $sound->[0] => $face;
		3271	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3272	}
		3273
		3274	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3275	my $face = cf::face::find "sound/$v";
		3276	cf::sound::set $k => $face;
		3277	}
		3278	}
		3279	});
		3280
		3281	register_exticmd fx_want => sub {
		3282	my ($ns, $want) = @_;
		3283
		3284	while (my ($k, $v) = each %$want) {
		3285	$ns->fx_want ($k, $v);
		3286	}
		3287	};
		3288
		3289	sub load_resource_file($) {
		3290	my $guard = lock_acquire "load_resource_file";
		3291
		3292	my $status = load_resource_file_ $_[0];
		3293	get_slot 0.1, 100;
		3294	cf::arch::commit_load;
		3295
		3296	$status
		3297	}
		3298
2547	sub reload_regions {	3299	sub reload_regions {
		3300	# HACK to clear player env face cache, we need some signal framework
		3301	# for this (global event?)
		3302	%ext::player_env::MUSIC_FACE_CACHE = ();
		3303
2548	load_resource_file "$MAPDIR/regions"	3304	load_resource_file "$MAPDIR/regions"
2549	or die "unable to load regions file\n";	3305	or die "unable to load regions file\n";
		3306
		3307	for (cf::region::list) {
		3308	$_->{match} = qr/$_->{match}/
		3309	if exists $_->{match};
		3310	}
2550	}	3311	}
2551		3312
2552	sub reload_facedata {	3313	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3314	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3315	or die "unable to load facedata\n";
…		…
2565	}	3326	}
2566		3327
2567	sub reload_resources {	3328	sub reload_resources {
2568	warn "reloading resource files...\n";	3329	warn "reloading resource files...\n";
2569		3330
2570	reload_regions;
2571	reload_facedata;	3331	reload_facedata;
2572	reload_archetypes;	3332	reload_archetypes;
		3333	reload_regions;
2573	reload_treasures;	3334	reload_treasures;
2574		3335
2575	warn "finished reloading resource files\n";	3336	warn "finished reloading resource files\n";
2576	}	3337	}
2577		3338
2578	sub init {	3339	sub init {
		3340	my $guard = freeze_mainloop;
		3341
		3342	evthread_start IO::AIO::poll_fileno;
		3343
2579	reload_resources;	3344	reload_resources;
2580	}	3345	}
2581		3346
2582	sub cfg_load {	3347	sub reload_config {
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
2584	or return;	3349	or return;
2585		3350
2586	local $/;	3351	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
2588		3353
2589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2590		3355
2591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3356	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3357	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2598	};	3363	};
2599	warn $@ if $@;	3364	warn $@ if $@;
2600	}	3365	}
2601	}	3366	}
2602		3367
		3368	sub pidfile() {
		3369	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
		3385	}
		3386
2603	sub main {	3387	sub main {
		3388	atomic;
		3389
2604	# we must not ever block the main coroutine	3390	# we must not ever block the main coroutine
2605	local $Coro::idle = sub {	3391	local $Coro::idle = sub {
2606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3392	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2607	(async {	3393	(async {
2608	Event::one_event;	3394	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3395	EV::loop EV::LOOP_ONESHOT;
2609	})->prio (Coro::PRIO_MAX);	3396	})->prio (Coro::PRIO_MAX);
2610	};	3397	};
2611		3398
2612	cfg_load;	3399	{
		3400	my $guard = freeze_mainloop;
		3401	reload_config;
2613	db_init;	3402	db_init;
2614	load_extensions;	3403	load_extensions;
2615		3404
2616	$TICK_WATCHER->start;	3405	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3406	}
		3407
		3408	utime time, time, $RUNTIMEFILE;
		3409
		3410	# no (long-running) fork's whatsoever before this point(!)
		3411	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3412
2617	Event::loop;	3413	EV::loop;
2618	}	3414	}
2619		3415
2620	#############################################################################	3416	#############################################################################
2621	# initialisation and cleanup	3417	# initialisation and cleanup
2622		3418
2623	# install some emergency cleanup handlers	3419	# install some emergency cleanup handlers
2624	BEGIN {	3420	BEGIN {
		3421	our %SIGWATCHER = ();
2625	for my $signal (qw(INT HUP TERM)) {	3422	for my $signal (qw(INT HUP TERM)) {
2626	Event->signal (	3423	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2627	reentrant => 0,
2628	data => WF_AUTOCANCEL,
2629	signal => $signal,
2630	prio => 0,
2631	cb => sub {
2632	cf::cleanup "SIG$signal";	3424	cf::cleanup "SIG$signal";
2633	},
2634	);	3425	};
		3426	}
		3427	}
		3428
		3429	sub write_runtime_sync {
		3430	# first touch the runtime file to show we are still running:
		3431	# the fsync below can take a very very long time.
		3432
		3433	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3434
		3435	my $guard = cf::lock_acquire "write_runtime";
		3436
		3437	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3438	or return;
		3439
		3440	my $value = $cf::RUNTIME + 90 + 10;
		3441	# 10 is the runtime save interval, for a monotonic clock
		3442	# 60 allows for the watchdog to kill the server.
		3443
		3444	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3445	and return;
		3446
		3447	# always fsync - this file is important
		3448	aio_fsync $fh
		3449	and return;
		3450
		3451	# touch it again to show we are up-to-date
		3452	aio_utime $fh, undef, undef;
		3453
		3454	close $fh
		3455	or return;
		3456
		3457	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3458	and return;
		3459
		3460	warn "runtime file written.\n";
		3461
2635	}	3462	1
		3463	}
		3464
		3465	our $uuid_lock;
		3466	our $uuid_skip;
		3467
		3468	sub write_uuid_sync($) {
		3469	$uuid_skip ||= $_[0];
		3470
		3471	return if $uuid_lock;
		3472	local $uuid_lock = 1;
		3473
		3474	my $uuid = "$LOCALDIR/uuid";
		3475
		3476	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3477	or return;
		3478
		3479	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3480	$uuid_skip = 0;
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	close $fh
		3490	or return;
		3491
		3492	aio_rename "$uuid~", $uuid
		3493	and return;
		3494
		3495	warn "uuid file written ($value).\n";
		3496
		3497	1
		3498
		3499	}
		3500
		3501	sub write_uuid($$) {
		3502	my ($skip, $sync) = @_;
		3503
		3504	$sync ? write_uuid_sync $skip
		3505	: async { write_uuid_sync $skip };
2636	}	3506	}
2637		3507
2638	sub emergency_save() {	3508	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3509	my $freeze_guard = cf::freeze_mainloop;
2640		3510
…		…
2646	# and maps saved/destroyed asynchronously.	3516	# and maps saved/destroyed asynchronously.
2647	warn "begin emergency player save\n";	3517	warn "begin emergency player save\n";
2648	for my $login (keys %cf::PLAYER) {	3518	for my $login (keys %cf::PLAYER) {
2649	my $pl = $cf::PLAYER{$login} or next;	3519	my $pl = $cf::PLAYER{$login} or next;
2650	$pl->valid or next;	3520	$pl->valid or next;
		3521	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651	$pl->save;	3522	$pl->save;
2652	}	3523	}
2653	warn "end emergency player save\n";	3524	warn "end emergency player save\n";
2654		3525
2655	warn "begin emergency map save\n";	3526	warn "begin emergency map save\n";
…		…
2661	warn "end emergency map save\n";	3532	warn "end emergency map save\n";
2662		3533
2663	warn "begin emergency database checkpoint\n";	3534	warn "begin emergency database checkpoint\n";
2664	BDB::db_env_txn_checkpoint $DB_ENV;	3535	BDB::db_env_txn_checkpoint $DB_ENV;
2665	warn "end emergency database checkpoint\n";	3536	warn "end emergency database checkpoint\n";
		3537
		3538	warn "begin write uuid\n";
		3539	write_uuid_sync 1;
		3540	warn "end write uuid\n";
2666	};	3541	};
2667		3542
2668	warn "leave emergency perl save\n";	3543	warn "leave emergency perl save\n";
2669	}	3544	}
2670		3545
2671	sub post_cleanup {	3546	sub post_cleanup {
2672	my ($make_core) = @_;	3547	my ($make_core) = @_;
2673		3548
2674	warn Carp::longmess "post_cleanup backtrace"	3549	warn Carp::longmess "post_cleanup backtrace"
2675	if $make_core;	3550	if $make_core;
		3551
		3552	my $fh = pidfile;
		3553	unlink $PIDFILE if <$fh> == $$;
2676	}	3554	}
		3555
		3556	# a safer delete_package, copied from Symbol
		3557	sub clear_package($) {
		3558	my $pkg = shift;
		3559
		3560	# expand to full symbol table name if needed
		3561	unless ($pkg =~ /^main::.*::$/) {
		3562	$pkg = "main$pkg" if $pkg =~ /^::/;
		3563	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3564	$pkg .= '::' unless $pkg =~ /::$/;
		3565	}
		3566
		3567	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3568	my $stem_symtab = *{$stem}{HASH};
		3569
		3570	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3571	or return;
		3572
		3573	# clear all symbols
		3574	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3575	for my $name (keys %$leaf_symtab) {
		3576	_gv_clear *{"$pkg$name"};
		3577	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3578	}
		3579	warn "cleared package #$pkg\n";#d#
		3580	}
		3581
		3582	our $RELOAD; # how many times to reload
2677		3583
2678	sub do_reload_perl() {	3584	sub do_reload_perl() {
2679	# can/must only be called in main	3585	# can/must only be called in main
2680	if ($Coro::current != $Coro::main) {	3586	if ($Coro::current != $Coro::main) {
2681	warn "can only reload from main coroutine";	3587	warn "can only reload from main coroutine";
2682	return;	3588	return;
2683	}	3589	}
2684		3590
		3591	return if $RELOAD++;
		3592
		3593	while ($RELOAD) {
2685	warn "reloading...";	3594	warn "reloading...";
2686		3595
2687	warn "entering sync_job";	3596	warn "entering sync_job";
2688		3597
2689	cf::sync_job {	3598	cf::sync_job {
2690	cf::write_runtime; # external watchdog should not bark	3599	cf::write_runtime_sync; # external watchdog should not bark
2691	cf::emergency_save;	3600	cf::emergency_save;
2692	cf::write_runtime; # external watchdog should not bark	3601	cf::write_runtime_sync; # external watchdog should not bark
2693		3602
2694	warn "syncing database to disk";	3603	warn "syncing database to disk";
2695	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
2696		3605
2697	# if anything goes wrong in here, we should simply crash as we already saved	3606	# if anything goes wrong in here, we should simply crash as we already saved
2698		3607
2699	warn "cancelling all WF_AUTOCANCEL watchers";
2700	for (Event::all_watchers) {
2701	$_->cancel if $_->data & WF_AUTOCANCEL;
2702	}
2703
2704	warn "flushing outstanding aio requests";	3608	warn "flushing outstanding aio requests";
2705	for (;;) {
2706	BDB::flush;
2707	IO::AIO::flush;
2708	Coro::cede;
2709	last unless IO::AIO::nreqs || BDB::nreqs;	3609	while (IO::AIO::nreqs || BDB::nreqs) {
2710	warn "iterate...";	3610	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2711	}
2712
2713	++$RELOAD;
2714
2715	warn "cancelling all extension coros";
2716	$_->cancel for values %EXT_CORO;
2717	%EXT_CORO = ();
2718
2719	warn "removing commands";
2720	%COMMAND = ();
2721
2722	warn "removing ext commands";
2723	%EXTCMD = ();
2724
2725	warn "unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";
2728
2729	if (my $cb = $pkg->can ("unload")) {
2730	eval {
2731	$cb->($pkg);
2732	1
2733	} or warn "$pkg unloaded, but with errors: $@";
2734	}	3611	}
2735		3612
2736	warn "... nuking $pkg";	3613	warn "cancelling all extension coros";
2737	Symbol::delete_package $pkg;	3614	$_->cancel for values %EXT_CORO;
2738	}	3615	%EXT_CORO = ();
2739		3616
2740	warn "unloading all perl modules loaded from $LIBDIR";	3617	warn "removing commands";
2741	while (my ($k, $v) = each %INC) {	3618	%COMMAND = ();
2742	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2743		3619
		3620	warn "removing ext/exti commands";
		3621	%EXTCMD = ();
		3622	%EXTICMD = ();
		3623
		3624	warn "unloading/nuking all extensions";
		3625	for my $pkg (@EXTS) {
2744	warn "... unloading $k";	3626	warn "... unloading $pkg";
2745	delete $INC{$k};
2746		3627
2747	$k =~ s/\.pm$//;
2748	$k =~ s/\//::/g;
2749
2750	if (my $cb = $k->can ("unload_module")) {	3628	if (my $cb = $pkg->can ("unload")) {
		3629	eval {
2751	$cb->();	3630	$cb->($pkg);
		3631	1
		3632	} or warn "$pkg unloaded, but with errors: $@";
		3633	}
		3634
		3635	warn "... clearing $pkg";
		3636	clear_package $pkg;
2752	}	3637	}
2753		3638
2754	Symbol::delete_package $k;	3639	warn "unloading all perl modules loaded from $LIBDIR";
		3640	while (my ($k, $v) = each %INC) {
		3641	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3642
		3643	warn "... unloading $k";
		3644	delete $INC{$k};
		3645
		3646	$k =~ s/\.pm$//;
		3647	$k =~ s/\//::/g;
		3648
		3649	if (my $cb = $k->can ("unload_module")) {
		3650	$cb->();
		3651	}
		3652
		3653	clear_package $k;
2755	}	3654	}
2756		3655
2757	warn "getting rid of safe::, as good as possible";	3656	warn "getting rid of safe::, as good as possible";
2758	Symbol::delete_package "safe::$_"	3657	clear_package "safe::$_"
2759	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3658	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2760		3659
2761	warn "unloading cf.pm \"a bit\"";	3660	warn "unloading cf.pm \"a bit\"";
2762	delete $INC{"cf.pm"};	3661	delete $INC{"cf.pm"};
2763	delete $INC{"cf/pod.pm"};	3662	delete $INC{"cf/pod.pm"};
2764		3663
2765	# don't, removes xs symbols, too,	3664	# don't, removes xs symbols, too,
2766	# and global variables created in xs	3665	# and global variables created in xs
2767	#Symbol::delete_package __PACKAGE__;	3666	#clear_package __PACKAGE__;
2768		3667
2769	warn "unload completed, starting to reload now";	3668	warn "unload completed, starting to reload now";
2770		3669
2771	warn "reloading cf.pm";	3670	warn "reloading cf.pm";
2772	require cf;	3671	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3672	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2774		3673
2775	warn "loading config and database again";	3674	warn "loading config and database again";
2776	cf::cfg_load;	3675	cf::reload_config;
2777		3676
2778	warn "loading extensions";	3677	warn "loading extensions";
2779	cf::load_extensions;	3678	cf::load_extensions;
2780		3679
2781	warn "reattaching attachments to objects/players";	3680	warn "reattaching attachments to objects/players";
2782	_global_reattach; # objects, sockets	3681	_global_reattach; # objects, sockets
2783	warn "reattaching attachments to maps";	3682	warn "reattaching attachments to maps";
2784	reattach $_ for values %MAP;	3683	reattach $_ for values %MAP;
2785	warn "reattaching attachments to players";	3684	warn "reattaching attachments to players";
2786	reattach $_ for values %PLAYER;	3685	reattach $_ for values %PLAYER;
2787		3686
2788	warn "leaving sync_job";	3687	warn "leaving sync_job";
2789		3688
2790	1	3689	1
2791	} or do {	3690	} or do {
2792	warn $@;	3691	warn $@;
2793	warn "error while reloading, exiting.";	3692	cf::cleanup "error while reloading, exiting.";
2794	exit 1;
2795	};	3693	};
2796		3694
2797	warn "reloaded";	3695	warn "reloaded";
		3696	--$RELOAD;
		3697	}
2798	};	3698	};
2799		3699
2800	our $RELOAD_WATCHER; # used only during reload	3700	our $RELOAD_WATCHER; # used only during reload
2801		3701
2802	sub reload_perl() {	3702	sub reload_perl() {
2803	# doing reload synchronously and two reloads happen back-to-back,	3703	# doing reload synchronously and two reloads happen back-to-back,
2804	# coro crashes during coro_state_free->destroy here.	3704	# coro crashes during coro_state_free->destroy here.
2805		3705
2806	$RELOAD_WATCHER ||= Event->timer (	3706	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2807	reentrant => 0,
2808	after => 0,
2809	data => WF_AUTOCANCEL,
2810	cb => sub {
2811	do_reload_perl;	3707	do_reload_perl;
2812	undef $RELOAD_WATCHER;	3708	undef $RELOAD_WATCHER;
2813	},
2814	);	3709	};
2815	}	3710	}
2816		3711
2817	register_command "reload" => sub {	3712	register_command "reload" => sub {
2818	my ($who, $arg) = @_;	3713	my ($who, $arg) = @_;
2819		3714
2820	if ($who->flag (FLAG_WIZ)) {	3715	if ($who->flag (FLAG_WIZ)) {
2821	$who->message ("reloading server.");	3716	$who->message ("reloading server.");
		3717	async {
		3718	$Coro::current->{desc} = "perl_reload";
2822	async { reload_perl };	3719	reload_perl;
		3720	};
2823	}	3721	}
2824	};	3722	};
2825		3723
2826	unshift @INC, $LIBDIR;	3724	unshift @INC, $LIBDIR;
2827		3725
…		…
2829		3727
2830	our @WAIT_FOR_TICK;	3728	our @WAIT_FOR_TICK;
2831	our @WAIT_FOR_TICK_BEGIN;	3729	our @WAIT_FOR_TICK_BEGIN;
2832		3730
2833	sub wait_for_tick {	3731	sub wait_for_tick {
2834	return unless $TICK_WATCHER->is_active;
2835	return if $Coro::current == $Coro::main;	3732	return if tick_inhibit || $Coro::current == $Coro::main;
2836		3733
2837	my $signal = new Coro::Signal;	3734	my $signal = new Coro::Signal;
2838	push @WAIT_FOR_TICK, $signal;	3735	push @WAIT_FOR_TICK, $signal;
2839	$signal->wait;	3736	$signal->wait;
2840	}	3737	}
2841		3738
2842	sub wait_for_tick_begin {	3739	sub wait_for_tick_begin {
2843	return unless $TICK_WATCHER->is_active;
2844	return if $Coro::current == $Coro::main;	3740	return if tick_inhibit || $Coro::current == $Coro::main;
2845		3741
2846	my $signal = new Coro::Signal;	3742	my $signal = new Coro::Signal;
2847	push @WAIT_FOR_TICK_BEGIN, $signal;	3743	push @WAIT_FOR_TICK_BEGIN, $signal;
2848	$signal->wait;	3744	$signal->wait;
2849	}	3745	}
2850		3746
2851	$TICK_WATCHER = Event->timer (	3747	sub tick {
2852	reentrant => 0,
2853	parked => 1,
2854	prio => 0,
2855	at => $NEXT_TICK || $TICK,
2856	data => WF_AUTOCANCEL,
2857	cb => sub {
2858	if ($Coro::current != $Coro::main) {	3748	if ($Coro::current != $Coro::main) {
2859	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3749	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2860	unless ++$bug_warning > 10;	3750	unless ++$bug_warning > 10;
2861	return;	3751	return;
2862	}	3752	}
2863		3753
2864	$NOW = $tick_start = Event::time;
2865
2866	cf::server_tick; # one server iteration	3754	cf::server_tick; # one server iteration
2867		3755
2868	$RUNTIME += $TICK;
2869	$NEXT_TICK += $TICK;
2870
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3756	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872	$NEXT_RUNTIME_WRITE = $NOW + 10;	3757	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2873	Coro::async_pool {	3758	Coro::async_pool {
		3759	$Coro::current->{desc} = "runtime saver";
2874	write_runtime	3760	write_runtime_sync
2875	or warn "ERROR: unable to write runtime file: $!";	3761	or warn "ERROR: unable to write runtime file: $!";
2876	};
2877	}	3762	};
		3763	}
2878		3764
2879	# my $AFTER = Event::time;
2880	# warn $AFTER - $NOW;#d#
2881
2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3765	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883	$sig->send;	3766	$sig->send;
2884	}	3767	}
2885	while (my $sig = shift @WAIT_FOR_TICK) {	3768	while (my $sig = shift @WAIT_FOR_TICK) {
2886	$sig->send;	3769	$sig->send;
2887	}	3770	}
2888		3771
2889	$NOW = Event::time;	3772	$LOAD = ($NOW - $TICK_START) / $TICK;
2890
2891	# if we are delayed by four ticks or more, skip them all
2892	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2893
2894	$TICK_WATCHER->at ($NEXT_TICK);
2895	$TICK_WATCHER->start;
2896
2897	$LOAD = ($NOW - $tick_start) / $TICK;
2898	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3773	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899		3774
2900	_post_tick;	3775	if (0) {
2901		3776	if ($NEXT_TICK) {
2902		3777	my $jitter = $TICK_START - $NEXT_TICK;
		3778	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3779	warn "jitter $JITTER\n";#d#
		3780	}
2903	},	3781	}
2904	);	3782	}
2905		3783
2906	{	3784	{
2907	BDB::max_poll_time $TICK * 0.1;	3785	# configure BDB
2908	$BDB_POLL_WATCHER = Event->io (	3786
2909	reentrant => 0,
2910	fd => BDB::poll_fileno,
2911	poll => 'r',
2912	prio => 0,
2913	data => WF_AUTOCANCEL,
2914	cb => \&BDB::poll_cb,
2915	);
2916	BDB::min_parallel 8;	3787	BDB::min_parallel 8;
2917		3788	BDB::max_poll_reqs $TICK * 0.1;
2918	BDB::set_sync_prepare {	3789	$AnyEvent::BDB::WATCHER->priority (1);
2919	my $status;
2920	my $current = $Coro::current;
2921	(
2922	sub {
2923	$status = $!;
2924	$current->ready; undef $current;
2925	},
2926	sub {
2927	Coro::schedule while defined $current;
2928	$! = $status;
2929	},
2930	)
2931	};
2932		3790
2933	unless ($DB_ENV) {	3791	unless ($DB_ENV) {
2934	$DB_ENV = BDB::db_env_create;	3792	$DB_ENV = BDB::db_env_create;
		3793	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3794	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3795	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2935		3798
2936	cf::sync_job {	3799	cf::sync_job {
2937	eval {	3800	eval {
2938	BDB::db_env_open	3801	BDB::db_env_open
2939	$DB_ENV,	3802	$DB_ENV,
…		…
2941	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3804	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3805	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943	0666;	3806	0666;
2944		3807
2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3808	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946
2947	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2948	$DB_ENV->set_lk_detect;
2949	};	3809	};
2950		3810
2951	cf::cleanup "db_env_open(db): $@" if $@;	3811	cf::cleanup "db_env_open(db): $@" if $@;
2952	};	3812	};
2953	}	3813	}
		3814
		3815	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3816	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3817	};
		3818	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3819	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3820	};
		3821	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3822	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3823	};
2954	}	3824	}
2955		3825
2956	{	3826	{
		3827	# configure IO::AIO
		3828
2957	IO::AIO::min_parallel 8;	3829	IO::AIO::min_parallel 8;
2958
2959	undef $Coro::AIO::WATCHER;
2960	IO::AIO::max_poll_time $TICK * 0.1;	3830	IO::AIO::max_poll_time $TICK * 0.1;
2961	$AIO_POLL_WATCHER = Event->io (	3831	undef $AnyEvent::AIO::WATCHER;
2962	reentrant => 0,
2963	data => WF_AUTOCANCEL,
2964	fd => IO::AIO::poll_fileno,
2965	poll => 'r',
2966	prio => 6,
2967	cb => \&IO::AIO::poll_cb,
2968	);
2969	}	3832	}
2970		3833
2971	my $_log_backtrace;	3834	my $_log_backtrace;
2972		3835
2973	sub _log_backtrace {	3836	sub _log_backtrace {
…		…
2976	$msg =~ s/\n//;	3839	$msg =~ s/\n//;
2977		3840
2978	# limit the # of concurrent backtraces	3841	# limit the # of concurrent backtraces
2979	if ($_log_backtrace < 2) {	3842	if ($_log_backtrace < 2) {
2980	++$_log_backtrace;	3843	++$_log_backtrace;
		3844	my $perl_bt = Carp::longmess $msg;
2981	async {	3845	async {
		3846	$Coro::current->{desc} = "abt $msg";
		3847
2982	my @bt = fork_call {	3848	my @bt = fork_call {
2983	@addr = map { sprintf "%x", $_ } @addr;	3849	@addr = map { sprintf "%x", $_ } @addr;
2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3850	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3851	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986	or die "addr2line: $!";	3852	or die "addr2line: $!";
…		…
2994	}	3860	}
2995		3861
2996	@funcs	3862	@funcs
2997	};	3863	};
2998		3864
2999	LOG llevInfo, "[ABT] $msg\n";	3865	LOG llevInfo, "[ABT] $perl_bt\n";
		3866	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3000	LOG llevInfo, "[ABT] $_\n" for @bt;	3867	LOG llevInfo, "[ABT] $_\n" for @bt;
3001	--$_log_backtrace;	3868	--$_log_backtrace;
3002	};	3869	};
3003	} else {	3870	} else {
3004	LOG llevInfo, "[ABT] $msg\n";	3871	LOG llevInfo, "[ABT] $msg\n";

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