ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.266 by root, Fri May 18 01:01:02 2007 UTC vs.
Revision 1.448 by root, Fri Sep 19 05:30:23 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
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		68
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	{
		72	# very ugly, but ensure we acquire the storable lock
		73
		74	sub net_mstore {
		75	my $guard = Coro::Storable::guard;
		76	&Storable::net_mstore
		77	}
		78
		79	sub mretrieve {
		80	my $guard = Coro::Storable::guard;
		81	&Storable::mretrieve
		82	}
		83
		84	Compress::LZF::set_serializer "Coro::Storable", "cf::net_mstore", "cf::mretrieve";
		85	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		86	}
46		87
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	88	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		89
49	our %COMMAND = ();	90	our %COMMAND = ();
50	our %COMMAND_TIME = ();	91	our %COMMAND_TIME = ();
51		92
52	our @EXTS = (); # list of extension package names	93	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	94	our %EXTCMD = ();
		95	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	96	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	97	our %EXT_MAP = (); # pluggable maps
56		98
57	our $RELOAD; # number of reloads so far	99	our $RELOAD; # number of reloads so far
58	our @EVENT;	100	our @EVENT;
59		101
60	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	103	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	107	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	108	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	109	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	110	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	111	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	112	our $BDBDIR = "$LOCALDIR/db";
		113	our $PIDFILE = "$LOCALDIR/pid";
		114	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		115
		116	our %RESOURCE;
71		117
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	118	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	119	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	120	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	121	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		122
		123	our $BDB_DEADLOCK_WATCHER;
		124	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	125	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	126	our $DB_ENV;
82		127
83	our %CFG;	128	our %CFG;
84		129
85	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
87		133
88	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
91		137
92	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		140
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
98		145
99	binmode STDOUT;	146	binmode STDOUT;
100	binmode STDERR;	147	binmode STDERR;
101		148
102	# read virtual server time, if available	149	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	150	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	151	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	152	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	153	$RUNTIME = <$fh> + 0.;
107	}	154	}
108		155
109	mkdir $_	156	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	157	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		202
156	The raw value load value from the last tick.	203	The raw value load value from the last tick.
157		204
158	=item %cf::CFG	205	=item %cf::CFG
159		206
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	207	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	208	from wherever your confdir points to.
162		209
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	210	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		211
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	212	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	213	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.	214	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		215
		216	=item @cf::INVOKE_RESULTS
		217
		218	This array contains the results of the last C<invoke ()> call. When
		219	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		220	that call.
		221
169	=back	222	=back
170		223
171	=cut	224	=cut
172		225
173	BEGIN {	226	BEGIN {
…		…
177	$msg .= "\n"	230	$msg .= "\n"
178	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
179		232
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		234
182	utf8::encode $msg;
183	LOG llevError, $msg;	235	LOG llevError, $msg;
184	};	236	};
185	}	237	}
		238
		239	$Coro::State::DIEHOOK = sub {
		240	return unless $^S eq 0; # "eq", not "=="
		241
		242	if ($Coro::current == $Coro::main) {#d#
		243	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		244	return;#d#
		245	}#d#
		246
		247	# kill coroutine otherwise
		248	warn Carp::longmess $_[0];
		249	Coro::terminate
		250	};
		251
		252	$SIG{__DIE__} = sub { }; #d#?
186		253
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	254	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	255	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	256	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	257	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	258	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		259	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	260	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		261
194	# we bless all objects into (empty) derived classes to force a method lookup	262	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	263	# within the Safe compartment.
196	for my $pkg (qw(	264	for my $pkg (qw(
197	cf::global cf::attachable	265	cf::global cf::attachable
198	cf::object cf::object::player	266	cf::object cf::object::player
199	cf::client cf::player	267	cf::client cf::player
200	cf::arch cf::living	268	cf::arch cf::living
		269	cf::map cf::mapspace
201	cf::map cf::party cf::region	270	cf::party cf::region
202	)) {	271	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	272	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	273	}
206		274
207	$Event::DIED = sub {	275	$EV::DIED = sub {
208	warn "error in event callback: @_";	276	warn "error in event callback: @_";
209	};	277	};
		278
		279	#############################################################################
210		280
211	=head2 UTILITY FUNCTIONS	281	=head2 UTILITY FUNCTIONS
212		282
213	=over 4	283	=over 4
214		284
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	303	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	304	$d
235	} || "[unable to dump $_[0]: '$@']";	305	} || "[unable to dump $_[0]: '$@']";
236	}	306	}
237		307
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	308	=item $ref = cf::decode_json $json
241		309
242	Converts a JSON string into the corresponding perl data structure.	310	Converts a JSON string into the corresponding perl data structure.
243		311
244	=item $json = cf::to_json $ref	312	=item $json = cf::encode_json $ref
245		313
246	Converts a perl data structure into its JSON representation.	314	Converts a perl data structure into its JSON representation.
		315
		316	=cut
		317
		318	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		319
		320	sub encode_json($) { $json_coder->encode ($_[0]) }
		321	sub decode_json($) { $json_coder->decode ($_[0]) }
247		322
248	=item cf::lock_wait $string	323	=item cf::lock_wait $string
249		324
250	Wait until the given lock is available. See cf::lock_acquire.	325	Wait until the given lock is available. See cf::lock_acquire.
251		326
…		…
254	Wait until the given lock is available and then acquires it and returns	329	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,	330	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	331	for example when the coroutine gets canceled), the lock is automatically
257	returned.	332	returned.
258		333
		334	Locks are *not* recursive, locking from the same coro twice results in a
		335	deadlocked coro.
		336
259	Lock names should begin with a unique identifier (for example, cf::map::find	337	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	338	uses map_find and cf::map::load uses map_load).
261		339
262	=item $locked = cf::lock_active $string	340	=item $locked = cf::lock_active $string
263		341
264	Return true if the lock is currently active, i.e. somebody has locked it.	342	Return true if the lock is currently active, i.e. somebody has locked it.
265		343
266	=cut	344	=cut
267		345
268	our %LOCK;	346	our %LOCK;
		347	our %LOCKER;#d#
269		348
270	sub lock_wait($) {	349	sub lock_wait($) {
271	my ($key) = @_;	350	my ($key) = @_;
		351
		352	if ($LOCKER{$key} == $Coro::current) {#d#
		353	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		354	return;#d#
		355	}#d#
272		356
273	# wait for lock, if any	357	# wait for lock, if any
274	while ($LOCK{$key}) {	358	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	359	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	360	Coro::schedule;
…		…
282		366
283	# wait, to be sure we are not locked	367	# wait, to be sure we are not locked
284	lock_wait $key;	368	lock_wait $key;
285		369
286	$LOCK{$key} = [];	370	$LOCK{$key} = [];
		371	$LOCKER{$key} = $Coro::current;#d#
287		372
288	Coro::guard {	373	Coro::guard {
		374	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	375	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	376	$_->ready for @{ delete $LOCK{$key} };
291	}	377	}
292	}	378	}
293		379
…		…
296		382
297	! ! $LOCK{$key}	383	! ! $LOCK{$key}
298	}	384	}
299		385
300	sub freeze_mainloop {	386	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	387	tick_inhibit_inc;
302		388
303	my $guard = Coro::guard {	389	Coro::guard \&tick_inhibit_dec;
304	$TICK_WATCHER->start;	390	}
		391
		392	=item cf::periodic $interval, $cb
		393
		394	Like EV::periodic, but randomly selects a starting point so that the actions
		395	get spread over timer.
		396
		397	=cut
		398
		399	sub periodic($$) {
		400	my ($interval, $cb) = @_;
		401
		402	my $start = rand List::Util::min 180, $interval;
		403
		404	EV::periodic $start, $interval, 0, $cb
		405	}
		406
		407	=item cf::get_slot $time[, $priority[, $name]]
		408
		409	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		410	This call blocks and returns only when you have at least C<$time> seconds
		411	of cpu time till the next tick. The slot is only valid till the next cede.
		412
		413	The optional C<$name> can be used to identify the job to run. It might be
		414	used for statistical purposes and should identify the same time-class.
		415
		416	Useful for short background jobs.
		417
		418	=cut
		419
		420	our @SLOT_QUEUE;
		421	our $SLOT_QUEUE;
		422
		423	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		424	$SLOT_QUEUE = Coro::async {
		425	$Coro::current->desc ("timeslot manager");
		426
		427	my $signal = new Coro::Signal;
		428
		429	while () {
		430	next_job:
		431	my $avail = cf::till_tick;
		432	if ($avail > 0.01) {
		433	for (0 .. $#SLOT_QUEUE) {
		434	if ($SLOT_QUEUE[$_][0] < $avail) {
		435	my $job = splice @SLOT_QUEUE, $_, 1, ();
		436	$job->[2]->send;
		437	Coro::cede;
		438	goto next_job;
		439	}
		440	}
		441	}
		442
		443	if (@SLOT_QUEUE) {
		444	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		445	push @cf::WAIT_FOR_TICK, $signal;
		446	$signal->wait;
		447	} else {
		448	Coro::schedule;
		449	}
305	};	450	}
306	$TICK_WATCHER->stop;	451	};
307	$guard	452
		453	sub get_slot($;$$) {
		454	return if tick_inhibit || $Coro::current == $Coro::main;
		455
		456	my ($time, $pri, $name) = @_;
		457
		458	$time = $TICK * .6 if $time > $TICK * .6;
		459	my $sig = new Coro::Signal;
		460
		461	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		462	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		463	$SLOT_QUEUE->ready;
		464	$sig->wait;
308	}	465	}
309		466
310	=item cf::async { BLOCK }	467	=item cf::async { BLOCK }
311		468
312	Currently the same as Coro::async_pool, meaning you cannot use	469	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		474
318	BEGIN { *async = \&Coro::async_pool }	475	BEGIN { *async = \&Coro::async_pool }
319		476
320	=item cf::sync_job { BLOCK }	477	=item cf::sync_job { BLOCK }
321		478
322	The design of crossfire+ requires that the main coro ($Coro::main) is	479	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	480	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	481	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		482	acceptable.
325		483
326	If it must be done, put the blocking parts into C<sync_job>. This will run	484	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	485	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	486	server will be frozen during this time, so the block should either finish
329	fast or be very important.	487	fast or be very important.
…		…
332		490
333	sub sync_job(&) {	491	sub sync_job(&) {
334	my ($job) = @_;	492	my ($job) = @_;
335		493
336	if ($Coro::current == $Coro::main) {	494	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	495	my $time = EV::time;
338		496
339	# this is the main coro, too bad, we have to block	497	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	498	# till the operation succeeds, freezing the server :/
341		499
342	# TODO: use suspend/resume instead	500	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	501
344	my $freeze_guard = freeze_mainloop;	502	my $freeze_guard = freeze_mainloop;
345		503
346	my $busy = 1;	504	my $busy = 1;
347	my @res;	505	my @res;
348		506
349	(async {	507	(async {
		508	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	509	@res = eval { $job->() };
351	warn $@ if $@;	510	warn $@ if $@;
352	undef $busy;	511	undef $busy;
353	})->prio (Coro::PRIO_MAX);	512	})->prio (Coro::PRIO_MAX);
354		513
355	while ($busy) {	514	while ($busy) {
356	Coro::cede or Event::one_event;	515	if (Coro::nready) {
		516	Coro::cede_notself;
		517	} else {
		518	EV::loop EV::LOOP_ONESHOT;
357	}	519	}
		520	}
358		521
359	$time = Event::time - $time;	522	my $time = EV::time - $time;
360		523
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	524	$TICK_START += $time; # do not account sync jobs to server load
365		525
366	wantarray ? @res : $res[0]	526	wantarray ? @res : $res[0]
367	} else {	527	} else {
368	# we are in another coroutine, how wonderful, everything just works	528	# we are in another coroutine, how wonderful, everything just works
369		529
…		…
389	$EXT_CORO{$coro+0} = $coro;	549	$EXT_CORO{$coro+0} = $coro;
390		550
391	$coro	551	$coro
392	}	552	}
393		553
394	sub write_runtime {	554	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		555
397	# first touch the runtime file to show we are still running:	556	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	557	process, returning the results. Everything must be serialisable with
		558	Coro::Storable. May, of course, block. Note that the executed sub may
		559	never block itself or use any form of event handling.
399		560
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	561	=cut
401	utime undef, undef, $fh;	562
		563	sub fork_call(&@) {
		564	my ($cb, @args) = @_;
		565
		566	# we seemingly have to make a local copy of the whole thing,
		567	# otherwise perl prematurely frees the stuff :/
		568	# TODO: investigate and fix (likely this will be rather laborious)
		569
		570	my @res = Coro::Util::fork_eval {
		571	reset_signals;
		572	&$cb
		573	}, @args;
		574
		575	wantarray ? @res : $res[-1]
		576	}
		577
		578	=item $coin = coin_from_name $name
		579
		580	=cut
		581
		582	our %coin_alias = (
		583	"silver" => "silvercoin",
		584	"silvercoin" => "silvercoin",
		585	"silvercoins" => "silvercoin",
		586	"gold" => "goldcoin",
		587	"goldcoin" => "goldcoin",
		588	"goldcoins" => "goldcoin",
		589	"platinum" => "platinacoin",
		590	"platinumcoin" => "platinacoin",
		591	"platinumcoins" => "platinacoin",
		592	"platina" => "platinacoin",
		593	"platinacoin" => "platinacoin",
		594	"platinacoins" => "platinacoin",
		595	"royalty" => "royalty",
		596	"royalties" => "royalty",
		597	);
		598
		599	sub coin_from_name($) {
		600	$coin_alias{$_[0]}
		601	? cf::arch::find $coin_alias{$_[0]}
		602	: undef
		603	}
		604
		605	=item $value = cf::db_get $family => $key
		606
		607	Returns a single value from the environment database.
		608
		609	=item cf::db_put $family => $key => $value
		610
		611	Stores the given C<$value> in the family. It can currently store binary
		612	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		613
		614	=item $db = cf::db_table "name"
		615
		616	Create and/or open a new database table. The string must not be "db" and must be unique
		617	within each server.
		618
		619	=cut
		620
		621	sub db_table($) {
		622	my ($name) = @_;
		623	my $db = BDB::db_create $DB_ENV;
		624
		625	eval {
		626	$db->set_flags (BDB::CHKSUM);
		627
		628	utf8::encode $name;
		629	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		630	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		631	cf::cleanup "db_open(db): $!" if $!;
402	}	632	};
		633	cf::cleanup "db_open(db): $@" if $@;
403		634
404	my $guard = cf::lock_acquire "write_runtime";	635	$db
		636	}
405		637
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	638	our $DB;
407	or return;
408		639
409	my $value = $cf::RUNTIME + 90 + 10;	640	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	641	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	642	$DB ||= db_table "db";
		643	};
		644	}
412		645
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	646	sub db_get($$) {
414	and return;	647	my $key = "$_[0]/$_[1]";
415		648
416	# always fsync - this file is important	649	cf::sync_job {
417	aio_fsync $fh	650	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		651
420	# touch it again to show we are up-to-date	652	$! ? ()
421	utime undef, undef, $fh;	653	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	654	}
		655	}
		656
		657	sub db_put($$$) {
		658	BDB::dbreq_pri 4;
		659	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		660	}
		661
		662	=item cf::cache $id => [$paths...], $processversion => $process
		663
		664	Generic caching function that returns the value of the resource $id,
		665	caching and regenerating as required.
		666
		667	This function can block.
		668
		669	=cut
		670
		671	sub cache {
		672	my ($id, $src, $processversion, $process) = @_;
		673
		674	my $meta =
		675	join "\x00",
		676	$processversion,
		677	map {
		678	aio_stat $_
		679	and Carp::croak "$_: $!";
		680
		681	($_, (stat _)[7,9])
		682	} @$src;
		683
		684	my $dbmeta = db_get cache => "$id/meta";
		685	if ($dbmeta ne $meta) {
		686	# changed, we may need to process
		687
		688	my @data;
		689	my $md5;
		690
		691	for (0 .. $#$src) {
		692	0 <= aio_load $src->[$_], $data[$_]
		693	or Carp::croak "$src->[$_]: $!";
		694	}
		695
		696	# if processing is expensive, check
		697	# checksum first
		698	if (1) {
		699	$md5 =
		700	join "\x00",
		701	$processversion,
		702	map {
		703	cf::cede_to_tick;
		704	($src->[$_], Digest::MD5::md5_hex $data[$_])
		705	} 0.. $#$src;
		706
		707
		708	my $dbmd5 = db_get cache => "$id/md5";
		709	if ($dbmd5 eq $md5) {
		710	db_put cache => "$id/meta", $meta;
		711
		712	return db_get cache => "$id/data";
		713	}
		714	}
		715
		716	my $t1 = Time::HiRes::time;
		717	my $data = $process->(\@data);
		718	my $t2 = Time::HiRes::time;
		719
		720	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		721
		722	db_put cache => "$id/data", $data;
		723	db_put cache => "$id/md5" , $md5;
		724	db_put cache => "$id/meta", $meta;
		725
		726	return $data;
		727	}
		728
		729	db_get cache => "$id/data"
432	}	730	}
433		731
434	=item cf::datalog type => key => value, ...	732	=item cf::datalog type => key => value, ...
435		733
436	Log a datalog packet of the given type with the given key-value pairs.	734	Log a datalog packet of the given type with the given key-value pairs.
…		…
448		746
449	#############################################################################	747	#############################################################################
450		748
451	=head2 ATTACHABLE OBJECTS	749	=head2 ATTACHABLE OBJECTS
452		750
453	Many objects in crossfire are so-called attachable objects. That means you can	751	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")	752	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	753	to it. All such attachable objects support the following methods.
456		754
457	In the following description, CLASS can be any of C<global>, C<object>	755	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	756	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	757	Deliantra).
460		758
461	=over 4	759	=over 4
462		760
463	=item $attachable->attach ($attachment, key => $value...)	761	=item $attachable->attach ($attachment, key => $value...)
464		762
…		…
508	=item cf::CLASS::attachment $name, ...	806	=item cf::CLASS::attachment $name, ...
509		807
510	Register an attachment by C<$name> through which attachable objects of the	808	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	809	given CLASS can refer to this attachment.
512		810
513	Some classes such as crossfire maps and objects can specify attachments	811	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.	812	that are attached at load/instantiate time, thus the need for a name.
515		813
516	These calls expect any number of the following handler/hook descriptions:	814	These calls expect any number of the following handler/hook descriptions:
517		815
518	=over 4	816	=over 4
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	925	$registry = $CB_TYPE[$object_type] ||= [];
628		926
629	} elsif ($type eq "subtype") {	927	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	928	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	929	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	930	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		931
634	} elsif ($type eq "package") {	932	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	933	my $pkg = shift @arg;
636		934
637	while (my ($name, $id) = each %cb_id) {	935	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	964	_attach $registry, $klass, @attach;
667	}	965	}
668		966
669	$obj->{$name} = \%arg;	967	$obj->{$name} = \%arg;
670	} else {	968	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	969	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	970	}
673		971
674	$obj->{_attachment}{$name} = undef;	972	$obj->{_attachment}{$name} = undef;
675	}	973	}
676		974
…		…
678	if (ref $_[0]) {	976	if (ref $_[0]) {
679	_object_attach @_;	977	_object_attach @_;
680	} else {	978	} else {
681	_attach shift->_attach_registry, @_;	979	_attach shift->_attach_registry, @_;
682	}	980	}
		981	_recalc_want;
683	};	982	};
684		983
685	# all those should be optimised	984	# all those should be optimised
686	sub cf::attachable::detach {	985	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	986	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	989	delete $obj->{_attachment}{$name};
691	reattach ($obj);	990	reattach ($obj);
692	} else {	991	} else {
693	Carp::croak "cannot, currently, detach class attachments";	992	Carp::croak "cannot, currently, detach class attachments";
694	}	993	}
		994	_recalc_want;
695	};	995	};
696		996
697	sub cf::attachable::attached {	997	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	998	my ($obj, $name) = @_;
699		999
…		…
714	";	1014	";
715	die if $@;	1015	die if $@;
716	}	1016	}
717		1017
718	our $override;	1018	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1019	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		1020
721	sub override {	1021	sub override {
722	$override = 1;	1022	$override = 1;
723	@invoke_results = ();	1023	@INVOKE_RESULTS = (@_);
724	}	1024	}
725		1025
726	sub do_invoke {	1026	sub do_invoke {
727	my $event = shift;	1027	my $event = shift;
728	my $callbacks = shift;	1028	my $callbacks = shift;
729		1029
730	@invoke_results = ();	1030	@INVOKE_RESULTS = ();
731		1031
732	local $override;	1032	local $override;
733		1033
734	for (@$callbacks) {	1034	for (@$callbacks) {
735	eval { &{$_->[1]} };	1035	eval { &{$_->[1]} };
…		…
744	}	1044	}
745		1045
746	0	1046	0
747	}	1047	}
748		1048
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1049	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1050
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1052
753	Generate an object-specific event with the given arguments.	1053	Generate an object-specific event with the given arguments.
754		1054
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1055	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	1056	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	1057	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1058
759	=back	1059	=back
760		1060
761	=cut	1061	=cut
762		1062
763	#############################################################################	1063	#############################################################################
764	# object support	1064	# object support
		1065
		1066	sub _object_equal($$);
		1067	sub _object_equal($$) {
		1068	my ($a, $b) = @_;
		1069
		1070	return 0 unless (ref $a) eq (ref $b);
		1071
		1072	if ("HASH" eq ref $a) {
		1073	my @ka = keys %$a;
		1074	my @kb = keys %$b;
		1075
		1076	return 0 if @ka != @kb;
		1077
		1078	for (0 .. $#ka) {
		1079	return 0 unless $ka[$_] eq $kb[$_];
		1080	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1081	}
		1082
		1083	} elsif ("ARRAY" eq ref $a) {
		1084
		1085	return 0 if @$a != @$b;
		1086
		1087	for (0 .. $#$a) {
		1088	return 0 unless _object_equal $a->[$_], $b->[$_];
		1089	}
		1090
		1091	} elsif ($a ne $b) {
		1092	return 0;
		1093	}
		1094
		1095	1
		1096	}
		1097
		1098	our $SLOW_MERGES;#d#
		1099	sub _can_merge {
		1100	my ($ob1, $ob2) = @_;
		1101
		1102	++$SLOW_MERGES;#d#
		1103
		1104	# we do the slow way here
		1105	return _object_equal $ob1, $ob2
		1106	}
765		1107
766	sub reattach {	1108	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1109	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1110	my ($obj) = @_;
769		1111
		1112	# no longer needed after getting rid of delete_package?
770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1113	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771		1114
772	my $registry = $obj->registry;	1115	my $registry = $obj->registry;
773		1116
774	@$registry = ();	1117	@$registry = ();
775		1118
…		…
790	cf::attachable->attach (	1133	cf::attachable->attach (
791	prio => -1000000,	1134	prio => -1000000,
792	on_instantiate => sub {	1135	on_instantiate => sub {
793	my ($obj, $data) = @_;	1136	my ($obj, $data) = @_;
794		1137
795	$data = from_json $data;	1138	$data = decode_json $data;
796		1139
797	for (@$data) {	1140	for (@$data) {
798	my ($name, $args) = @$_;	1141	my ($name, $args) = @$_;
799		1142
800	$obj->attach ($name, %{$args || {} });	1143	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1159	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1160	my ($filename, $rdata, $objs) = @_;
818		1161
819	sync_job {	1162	sync_job {
820	if (length $$rdata) {	1163	if (length $$rdata) {
		1164	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1165	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1166	$decname, length $$rdata, scalar @$objs;
823		1167
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1169	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1171	aio_fsync $fh if $cf::USE_FSYNC;
828	close $fh;	1172	aio_close $fh;
829		1173
830	if (@$objs) {	1174	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1178	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1179	aio_fsync $fh if $cf::USE_FSYNC;
836	close $fh;	1180	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1181	aio_rename "$filename.pst~", "$filename.pst";
838	}	1182	}
839	} else {	1183	} else {
840	aio_unlink "$filename.pst";	1184	aio_unlink "$filename.pst";
841	}	1185	}
…		…
846	}	1190	}
847	} else {	1191	} else {
848	aio_unlink $filename;	1192	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1193	aio_unlink "$filename.pst";
850	}	1194	}
851	}	1195	};
852	}	1196	}
853		1197
854	sub object_freezer_as_string {	1198	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1199	my ($rdata, $objs) = @_;
856		1200
…		…
868	or return;	1212	or return;
869		1213
870	unless (aio_stat "$filename.pst") {	1214	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1215	(aio_load "$filename.pst", $av) >= 0
872	or return;	1216	or return;
		1217
873	$av = eval { (Storable::thaw $av)->{objs} };	1218	my $st = eval { Coro::Storable::thaw $av };
		1219	$av = $st->{objs};
874	}	1220	}
875		1221
		1222	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1223	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1224	$decname, length $data, scalar @{$av || []};
		1225
878	return ($data, $av);	1226	($data, $av)
879	}	1227	}
		1228
		1229	=head2 COMMAND CALLBACKS
		1230
		1231	=over 4
		1232
		1233	=cut
880		1234
881	#############################################################################	1235	#############################################################################
882	# command handling &c	1236	# command handling &c
883		1237
884	=item cf::register_command $name => \&callback($ob,$args);	1238	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1251	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1252	}
899		1253
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1254	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1255
902	Register a callbackf ro execution when the client sends an extcmd packet.	1256	Register a callback for execution when the client sends an (synchronous)
		1257	extcmd packet. Ext commands will be processed in the order they are
		1258	received by the server, like other user commands. The first argument is
		1259	the logged-in player. Ext commands can only be processed after a player
		1260	has logged in successfully.
903		1261
904	If the callback returns something, it is sent back as if reply was being	1262	If the callback returns something, it is sent back as if reply was being
905	called.	1263	called.
906		1264
		1265	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1266
		1267	Register a callback for execution when the client sends an (asynchronous)
		1268	exticmd packet. Exti commands are processed by the server as soon as they
		1269	are received, i.e. out of order w.r.t. other commands. The first argument
		1270	is a client socket. Exti commands can be received anytime, even before
		1271	log-in.
		1272
		1273	If the callback returns something, it is sent back as if reply was being
		1274	called.
		1275
907	=cut	1276	=cut
908		1277
909	sub register_extcmd {	1278	sub register_extcmd {
910	my ($name, $cb) = @_;	1279	my ($name, $cb) = @_;
911		1280
912	$EXTCMD{$name} = $cb;	1281	$EXTCMD{$name} = $cb;
		1282	}
		1283
		1284	sub register_exticmd {
		1285	my ($name, $cb) = @_;
		1286
		1287	$EXTICMD{$name} = $cb;
913	}	1288	}
914		1289
915	cf::player->attach (	1290	cf::player->attach (
916	on_command => sub {	1291	on_command => sub {
917	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1301	cf::override;
927	},	1302	},
928	on_extcmd => sub {	1303	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
930		1305
931	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1307
933	if (ref $msg) {	1308	if (ref $msg) {
		1309	my ($type, $reply, @payload) =
		1310	"ARRAY" eq ref $msg
		1311	? @$msg
		1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1313
		1314	my @reply;
		1315
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
939	} else {	1323	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1325	}
942		1326
943	cf::override;	1327	cf::override;
944	},	1328	},
945	);	1329	);
946		1330
947	sub load_extension {
948	my ($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 {	1331	sub load_extensions {
		1332	cf::sync_job {
		1333	my %todo;
		1334
982	for my $ext (<$LIBDIR/*.ext>) {	1335	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1336	next unless -r $path;
984	eval {	1337
985	load_extension $ext;	1338	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1339	my $base = $1;
		1340	my $pkg = $1;
		1341	$pkg =~ s/[^[:word:]]/_/g;
		1342	$pkg = "ext::$pkg";
		1343
		1344	open my $fh, "<:utf8", $path
		1345	or die "$path: $!";
		1346
		1347	my $source = do { local $/; <$fh> };
		1348
		1349	my %ext = (
		1350	path => $path,
		1351	base => $base,
		1352	pkg => $pkg,
		1353	);
		1354
		1355	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1356	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1357
		1358	$ext{source} =
		1359	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1360	. "#line 1 \"$path\"\n{\n"
		1361	. $source
		1362	. "\n};\n1";
		1363
		1364	$todo{$base} = \%ext;
		1365	}
		1366
		1367	my %done;
		1368	while (%todo) {
		1369	my $progress;
		1370
		1371	while (my ($k, $v) = each %todo) {
		1372	for (split /,\s*/, $v->{meta}{depends}) {
		1373	goto skip
		1374	unless exists $done{$_};
		1375	}
		1376
		1377	warn "... loading '$k' into '$v->{pkg}'\n";
		1378
		1379	unless (eval $v->{source}) {
		1380	my $msg = $@ ? "$v->{path}: $@\n"
		1381	: "$v->{base}: extension inactive.\n";
		1382
		1383	if (exists $v->{meta}{mandatory}) {
		1384	warn $msg;
		1385	cf::cleanup "mandatory extension failed to load, exiting.";
		1386	}
		1387
		1388	warn $msg;
		1389	}
		1390
		1391	$done{$k} = delete $todo{$k};
		1392	push @EXTS, $v->{pkg};
		1393	$progress = 1;
986	1	1394	}
987	} or warn "$ext not loaded: $@";	1395
		1396	skip:
		1397	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1398	unless $progress;
		1399	}
988	}	1400	};
989	}	1401	}
990		1402
991	#############################################################################	1403	#############################################################################
992		1404
		1405	=back
		1406
993	=head2 CORE EXTENSIONS	1407	=head2 CORE EXTENSIONS
994		1408
995	Functions and methods that extend core crossfire objects.	1409	Functions and methods that extend core deliantra objects.
996		1410
997	=cut	1411	=cut
998		1412
999	package cf::player;	1413	package cf::player;
1000		1414
1001	use Coro::AIO;	1415	use Coro::AIO;
1002		1416
1003	=head3 cf::player	1417	=head3 cf::player
1004		1418
1005	=over 4	1419	=over 4
		1420
		1421	=item cf::player::num_playing
		1422
		1423	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1424
		1425	=cut
		1426
		1427	sub num_playing {
		1428	scalar grep
		1429	$_->ob->map
		1430	&& !$_->hidden
		1431	&& !$_->ob->flag (cf::FLAG_WIZ),
		1432	cf::player::list
		1433	}
1006		1434
1007	=item cf::player::find $login	1435	=item cf::player::find $login
1008		1436
1009	Returns the given player object, loading it if necessary (might block).	1437	Returns the given player object, loading it if necessary (might block).
1010		1438
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1474	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1475	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1476	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1477	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1478
1051	my $pl = load_pl path $login	1479	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1480	or return;
		1481
		1482	my $pl = cf::player::load_pl $f
		1483	or return;
		1484
		1485	local $cf::PLAYER_LOADING{$login} = $pl;
		1486	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1487	$cf::PLAYER{$login} = $pl
1054	}	1488	}
1055	}	1489	}
1056	}	1490	}
1057		1491
…		…
1066	return if $pl->{deny_save};	1500	return if $pl->{deny_save};
1067		1501
1068	aio_mkdir playerdir $pl, 0770;	1502	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1503	$pl->{last_save} = $cf::RUNTIME;
1070		1504
		1505	cf::get_slot 0.01;
		1506
1071	$pl->save_pl ($path);	1507	$pl->save_pl ($path);
1072	Coro::cede;	1508	cf::cede_to_tick;
1073	}	1509	}
1074		1510
1075	sub new($) {	1511	sub new($) {
1076	my ($login) = @_;	1512	my ($login) = @_;
1077		1513
…		…
1083	$cf::PLAYER{$login} = $self;	1519	$cf::PLAYER{$login} = $self;
1084		1520
1085	$self	1521	$self
1086	}	1522	}
1087		1523
		1524	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1525
		1526	=cut
		1527
		1528	sub send_msg {
		1529	my $ns = shift->ns
		1530	or return;
		1531	$ns->send_msg (@_);
		1532	}
		1533
1088	=item $pl->quit_character	1534	=item $pl->quit_character
1089		1535
1090	Nukes the player without looking back. If logged in, the connection will	1536	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1537	be destroyed. May block for a long time.
1092		1538
…		…
1096	my ($pl) = @_;	1542	my ($pl) = @_;
1097		1543
1098	my $name = $pl->ob->name;	1544	my $name = $pl->ob->name;
1099		1545
1100	$pl->{deny_save} = 1;	1546	$pl->{deny_save} = 1;
1101	$pl->password ("*"); # this should lock out the player until we nuked the dir	1547	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1102		1548
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1550	$pl->deactivate;
		1551	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1552	$pl->ob->check_score;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1554	$pl->ns->destroy if $pl->ns;
1107		1555
1108	my $path = playerdir $pl;	1556	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1557	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1593	or return [];
1146		1594
1147	my @logins;	1595	my @logins;
1148		1596
1149	for my $login (@$dirs) {	1597	for my $login (@$dirs) {
		1598	my $path = path $login;
		1599
		1600	# a .pst is a dead give-away for a valid player
		1601	# if no pst file found, open and chekc for blocked users
		1602	if (aio_stat "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1603	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1604	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1605	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1606	}
1153		1607
1154	utf8::decode $login;	1608	utf8::decode $login;
1155	push @logins, $login;	1609	push @logins, $login;
1156	}	1610	}
1157		1611
…		…
1184	}	1638	}
1185		1639
1186	\@paths	1640	\@paths
1187	}	1641	}
1188		1642
		1643	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1644
		1645	Expand deliantra pod fragments into protocol xml.
		1646
1189	=item $player->ext_reply ($msgid, %msg)	1647	=item $player->ext_reply ($msgid, @msg)
1190		1648
1191	Sends an ext reply to the player.	1649	Sends an ext reply to the player.
1192		1650
1193	=cut	1651	=cut
1194		1652
1195	sub ext_reply($$%) {	1653	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1654	my ($self, $id, @msg) = @_;
1197		1655
1198	$msg{msgid} = $id;	1656	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1657	}
1202		1658
1203	=item $player->ext_event ($type, %msg)	1659	=item $player->ext_msg ($type, @msg)
1204		1660
1205	Sends an ext event to the client.	1661	Sends an ext event to the client.
1206		1662
1207	=cut	1663	=cut
1208		1664
1209	sub ext_event($$%) {	1665	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1666	my ($self, $type, @msg) = @_;
1211		1667
1212	$self->ns->ext_event ($type, %msg);	1668	$self->ns->ext_msg ($type, @msg);
1213	}	1669	}
1214		1670
1215	=head3 cf::region	1671	=head3 cf::region
1216		1672
1217	=over 4	1673	=over 4
…		…
1220		1676
1221	package cf::region;	1677	package cf::region;
1222		1678
1223	=item cf::region::find_by_path $path	1679	=item cf::region::find_by_path $path
1224		1680
1225	Tries to decuce the probable region for a map knowing only its path.	1681	Tries to decuce the likely region for a map knowing only its path.
1226		1682
1227	=cut	1683	=cut
1228		1684
1229	sub find_by_path($) {	1685	sub find_by_path($) {
1230	my ($path) = @_;	1686	my ($path) = @_;
1231		1687
1232	my ($match, $specificity);	1688	my ($match, $specificity);
1233		1689
1234	for my $region (list) {	1690	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1691	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1692	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1693	if $region->specificity > $specificity;
1238	}	1694	}
1239	}	1695	}
1240		1696
…		…
1261	our $MAX_RESET = 3600;	1717	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1718	our $DEFAULT_RESET = 3000;
1263		1719
1264	sub generate_random_map {	1720	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1721	my ($self, $rmp) = @_;
		1722
		1723	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1724
1266	# mit "rum" bekleckern, nicht	1725	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1726	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1304	my ($self, $merge) = @_;	1763	my ($self, $merge) = @_;
1305		1764
1306	# we have to keep some variables in memory intact	1765	# we have to keep some variables in memory intact
1307	local $self->{path};	1766	local $self->{path};
1308	local $self->{load_path};	1767	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1768
1312	$self->SUPER::thawer_merge ($merge);	1769	$self->SUPER::thawer_merge ($merge);
1313	}	1770	}
1314		1771
1315	sub normalise {	1772	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1819	$self->init; # pass $1 etc.
1363	return $self;	1820	return $self;
1364	}	1821	}
1365	}	1822	}
1366		1823
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1824	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1825	()
1369	}	1826	}
1370		1827
1371	sub init {	1828	sub init {
1372	my ($self) = @_;	1829	my ($self) = @_;
…		…
1394		1851
1395	# the temporary/swap location	1852	# the temporary/swap location
1396	sub save_path {	1853	sub save_path {
1397	my ($self) = @_;	1854	my ($self) = @_;
1398		1855
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1856	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1857	"$TMPDIR/$path.map"
1401	}	1858	}
1402		1859
1403	# the unique path, undef == no special unique path	1860	# the unique path, undef == no special unique path
1404	sub uniq_path {	1861	sub uniq_path {
1405	my ($self) = @_;	1862	my ($self) = @_;
1406		1863
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1865	"$UNIQUEDIR/$path"
1409	}	1866	}
1410		1867
1411	# and all this just because we cannot iterate over	1868	# and all this just because we cannot iterate over
1412	# all maps in C++...	1869	# all maps in C++...
…		…
1415		1872
1416	$_->change_map_light ($change)	1873	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1874	for grep $_->outdoor, values %cf::MAP;
1418	}	1875	}
1419		1876
		1877	sub decay_objects {
		1878	my ($self) = @_;
		1879
		1880	return if $self->{deny_reset};
		1881
		1882	$self->do_decay_objects;
		1883	}
		1884
1420	sub unlink_save {	1885	sub unlink_save {
1421	my ($self) = @_;	1886	my ($self) = @_;
1422		1887
1423	utf8::encode (my $save = $self->save_path);	1888	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1889	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1892
1428	sub load_header_from($) {	1893	sub load_header_from($) {
1429	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1430		1895
1431	utf8::encode $path;	1896	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1437		1905
1438	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1439		1907
1440	1	1908	1
1441	}	1909	}
…		…
1480	$self->load_header_orig	1948	$self->load_header_orig
1481	or return;	1949	or return;
1482	$self->prepare_orig;	1950	$self->prepare_orig;
1483	}	1951	}
1484		1952
		1953	$self->{deny_reset} = 1
		1954	if $self->no_reset;
		1955
1485	$self->default_region (cf::region::find_by_path $self->{path})	1956	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1957	unless $self->default_region;
1487		1958
1488	1	1959	1
1489	}	1960	}
…		…
1492	sub find {	1963	sub find {
1493	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1494		1965
1495	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1496		1967
		1968	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1969	cf::lock_wait "map_find:$path";
1498		1970
1499	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
		1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1500	my $guard = cf::lock_acquire "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
		1974
1501	my $map = new_from_path cf::map $path	1975	my $map = new_from_path cf::map $path
1502	or return;	1976	or return;
1503		1977
1504	$map->{last_save} = $cf::RUNTIME;	1978	$map->{last_save} = $cf::RUNTIME;
1505		1979
1506	$map->load_header	1980	$map->load_header
1507	or return;	1981	or return;
1508		1982
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1983	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1984	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1985	#$cf::WAIT_FOR_TICK->wait;
		1986	undef $guard2;
		1987	undef $guard1;
1512	$map->reset;	1988	$map->reset;
1513	undef $guard;
1514	return find $path;	1989	return find $path;
1515	}	1990	}
1516		1991
1517	$cf::MAP{$path} = $map	1992	$cf::MAP{$path} = $map
1518	}	1993	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	2002	local $self->{deny_reset} = 1; # loading can take a long time
1528		2003
1529	my $path = $self->{path};	2004	my $path = $self->{path};
1530		2005
1531	{	2006	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2007	my $guard = cf::lock_acquire "map_data:$path";
1533		2008
		2009	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2010	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2011
1536	$self->in_memory (cf::MAP_LOADING);	2012	$self->in_memory (cf::MAP_LOADING);
1537		2013
1538	$self->alloc;	2014	$self->alloc;
1539		2015
1540	$self->pre_load;	2016	$self->pre_load;
1541	Coro::cede;	2017	cf::cede_to_tick;
1542		2018
		2019	my $f = new_from_file cf::object::thawer $self->{load_path};
		2020	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2021	$self->_load_objects ($f)
1544	or return;	2022	or return;
1545		2023
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2024	$self->post_load_original
1547	if delete $self->{load_original};	2025	if delete $self->{load_original};
1548		2026
1549	if (my $uniq = $self->uniq_path) {	2027	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2028	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2029	unless (aio_stat $uniq) {
		2030	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2031	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2032	$self->_load_objects ($f);
		2033	$f->resolve_delayed_derefs;
		2034	}
1554	}	2035	}
1555	}	2036	}
1556		2037
1557	Coro::cede;	2038	$f->resolve_delayed_derefs;
		2039
		2040	cf::cede_to_tick;
1558	# now do the right thing for maps	2041	# now do the right thing for maps
1559	$self->link_multipart_objects;	2042	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2043	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2044	unless $self->difficulty;
1562	Coro::cede;	2045	cf::cede_to_tick;
1563		2046
1564	unless ($self->{deny_activate}) {	2047	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2048	$self->decay_objects;
1566	$self->fix_auto_apply;	2049	$self->fix_auto_apply;
1567	$self->update_buttons;	2050	$self->update_buttons;
1568	Coro::cede;	2051	cf::cede_to_tick;
1569	$self->set_darkness_map;	2052	$self->set_darkness_map;
1570	Coro::cede;	2053	cf::cede_to_tick;
1571	$self->activate;	2054	$self->activate;
1572	}	2055	}
1573		2056
		2057	$self->{last_save} = $cf::RUNTIME;
		2058	$self->last_access ($cf::RUNTIME);
		2059
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2060	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2061	}
1576		2062
1577	$self->post_load;	2063	$self->post_load;
1578	}	2064	}
1579		2065
…		…
1581	my ($self, $ob) = @_;	2067	my ($self, $ob) = @_;
1582		2068
1583	return find "~" . $ob->name . "/" . $self->{path}	2069	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2070	if $self->per_player;
1585		2071
		2072	# return find "?party/" . $ob->name . "/" . $self->{path}
		2073	# if $self->per_party;
		2074
1586	$self	2075	$self
1587	}	2076	}
1588		2077
1589	# find and load all maps in the 3x3 area around a map	2078	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2079	sub load_neighbours {
1591	my ($map) = @_;	2080	my ($map) = @_;
1592		2081
1593	my @diag; # diagonal neighbours	2082	my @neigh; # diagonal neighbours
1594		2083
1595	for (0 .. 3) {	2084	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2085	my $neigh = $map->tile_path ($_)
1597	or next;	2086	or next;
1598	$neigh = find $neigh, $map	2087	$neigh = find $neigh, $map
1599	or next;	2088	or next;
1600	$neigh->load;	2089	$neigh->load;
1601		2090
		2091	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2092	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2093	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2094	}
1605		2095
1606	for (@diag) {	2096	for (grep defined $_->[0], @neigh) {
		2097	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2098	my $neigh = find $path, $origin
1608	or next;	2099	or next;
1609	$neigh->load;	2100	$neigh->load;
1610	}	2101	}
1611	}	2102	}
1612		2103
…		…
1617	}	2108	}
1618		2109
1619	sub do_load_sync {	2110	sub do_load_sync {
1620	my ($map) = @_;	2111	my ($map) = @_;
1621		2112
		2113	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2114	if $Coro::current == $Coro::main;
		2115
1622	cf::sync_job { $map->load };	2116	cf::sync_job { $map->load };
1623	}	2117	}
1624		2118
1625	our %MAP_PREFETCH;	2119	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2120	our $MAP_PREFETCHER = undef;
1627		2121
1628	sub find_async {	2122	sub find_async {
1629	my ($path, $origin) = @_;	2123	my ($path, $origin, $load) = @_;
1630		2124
1631	$path = normalise $path, $origin && $origin->{path};	2125	$path = normalise $path, $origin && $origin->{path};
1632		2126
1633	if (my $map = $cf::MAP{$path}) {	2127	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2129	}
1636		2130
1637	undef $MAP_PREFETCH{$path};	2131	$MAP_PREFETCH{$path} |= $load;
		2132
1638	$MAP_PREFETCHER ||= cf::async {	2133	$MAP_PREFETCHER ||= cf::async {
		2134	$Coro::current->{desc} = "map prefetcher";
		2135
1639	while (%MAP_PREFETCH) {	2136	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2137	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2138	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2139	$map->load if $v;
		2140	}
1644		2141
1645	delete $MAP_PREFETCH{$path};	2142	delete $MAP_PREFETCH{$k};
1646	}	2143	}
1647	}	2144	}
1648	undef $MAP_PREFETCHER;	2145	undef $MAP_PREFETCHER;
1649	};	2146	};
1650	$MAP_PREFETCHER->prio (6);	2147	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2150	}
1654		2151
1655	sub save {	2152	sub save {
1656	my ($self) = @_;	2153	my ($self) = @_;
1657		2154
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2155	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2156
1660	$self->{last_save} = $cf::RUNTIME;	2157	$self->{last_save} = $cf::RUNTIME;
1661		2158
1662	return unless $self->dirty;	2159	return unless $self->dirty;
1663		2160
…		…
1669	return if $self->{deny_save};	2166	return if $self->{deny_save};
1670		2167
1671	local $self->{last_access} = $self->last_access;#d#	2168	local $self->{last_access} = $self->last_access;#d#
1672		2169
1673	cf::async {	2170	cf::async {
		2171	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2172	$_->contr->save for $self->players;
1675	};	2173	};
		2174
		2175	cf::get_slot 0.02;
1676		2176
1677	if ($uniq) {	2177	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2178	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2179	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2180	} else {
…		…
1686	my ($self) = @_;	2186	my ($self) = @_;
1687		2187
1688	# save first because save cedes	2188	# save first because save cedes
1689	$self->save;	2189	$self->save;
1690		2190
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2191	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2192
1693	return if $self->players;	2193	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2194	return if $self->in_memory != cf::MAP_ACTIVE;
1695	return if $self->{deny_save};	2195	return if $self->{deny_save};
1696		2196
		2197	$self->in_memory (cf::MAP_SWAPPED);
		2198
		2199	$self->deactivate;
		2200	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2201	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2202	}
1700		2203
1701	sub reset_at {	2204	sub reset_at {
1702	my ($self) = @_;	2205	my ($self) = @_;
1703		2206
1704	# TODO: safety, remove and allow resettable per-player maps	2207	# 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};	2208	return 1e99 if $self->{deny_reset};
1707		2209
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2210	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2211	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2212
…		…
1721	my ($self) = @_;	2223	my ($self) = @_;
1722		2224
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2226
1725	return if $self->players;	2227	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2228
1728	warn "resetting map ", $self->path;#d#	2229	warn "resetting map ", $self->path;
1729		2230
1730	$self->in_memory (cf::MAP_SWAPPED);	2231	$self->in_memory (cf::MAP_SWAPPED);
1731		2232
1732	# need to save uniques path	2233	# need to save uniques path
1733	unless ($self->{deny_save}) {	2234	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2238	if $uniq;
1738	}	2239	}
1739		2240
1740	delete $cf::MAP{$self->path};	2241	delete $cf::MAP{$self->path};
1741		2242
		2243	$self->deactivate;
		2244	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2245	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2246
1746	$self->unlink_save;	2247	$self->unlink_save;
1747	$self->destroy;	2248	$self->destroy;
1748	}	2249	}
1749		2250
1750	my $nuke_counter = "aaaa";	2251	my $nuke_counter = "aaaa";
1751		2252
1752	sub nuke {	2253	sub nuke {
1753	my ($self) = @_;	2254	my ($self) = @_;
1754		2255
		2256	{
		2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2258
1755	delete $cf::MAP{$self->path};	2259	delete $cf::MAP{$self->path};
1756		2260
1757	$self->unlink_save;	2261	$self->unlink_save;
1758		2262
1759	bless $self, "cf::map";	2263	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2264	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2265	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2266	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2267	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2268
1765	$cf::MAP{$self->path} = $self;	2269	$cf::MAP{$self->path} = $self;
		2270	}
1766		2271
1767	$self->reset; # polite request, might not happen	2272	$self->reset; # polite request, might not happen
		2273	}
		2274
		2275	=item $maps = cf::map::tmp_maps
		2276
		2277	Returns an arrayref with all map paths of currently instantiated and saved
		2278	maps. May block.
		2279
		2280	=cut
		2281
		2282	sub tmp_maps() {
		2283	[
		2284	map {
		2285	utf8::decode $_;
		2286	/\.map$/
		2287	? normalise $_
		2288	: ()
		2289	} @{ aio_readdir $TMPDIR or [] }
		2290	]
		2291	}
		2292
		2293	=item $maps = cf::map::random_maps
		2294
		2295	Returns an arrayref with all map paths of currently instantiated and saved
		2296	random maps. May block.
		2297
		2298	=cut
		2299
		2300	sub random_maps() {
		2301	[
		2302	map {
		2303	utf8::decode $_;
		2304	/\.map$/
		2305	? normalise "?random/$_"
		2306	: ()
		2307	} @{ aio_readdir $RANDOMDIR or [] }
		2308	]
1768	}	2309	}
1769		2310
1770	=item cf::map::unique_maps	2311	=item cf::map::unique_maps
1771		2312
1772	Returns an arrayref of paths of all shared maps that have	2313	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2314	instantiated unique items. May block.
1774		2315
1775	=cut	2316	=cut
1776		2317
1777	sub unique_maps() {	2318	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2319	[
1779	or return;	2320	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2321	utf8::decode $_;
1785	next if /\.pst$/;	2322	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2323	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2324	? ()
1788	push @paths, cf::map::normalise $_;	2325	: normalise $_
		2326	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2327	]
1790
1791	\@paths
1792	}	2328	}
1793
1794	package cf;
1795		2329
1796	=back	2330	=back
1797		2331
1798	=head3 cf::object	2332	=head3 cf::object
1799		2333
…		…
1803		2337
1804	=over 4	2338	=over 4
1805		2339
1806	=item $ob->inv_recursive	2340	=item $ob->inv_recursive
1807		2341
1808	Returns the inventory of the object _and_ their inventories, recursively.	2342	Returns the inventory of the object I<and> their inventories, recursively,
		2343	but I<not> the object itself.
1809		2344
1810	=cut	2345	=cut
1811		2346
1812	sub inv_recursive_;	2347	sub inv_recursive_;
1813	sub inv_recursive_ {	2348	sub inv_recursive_ {
…		…
1816		2351
1817	sub inv_recursive {	2352	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2353	inv_recursive_ inv $_[0]
1819	}	2354	}
1820		2355
		2356	=item $ref = $ob->ref
		2357
		2358	Creates and returns a persistent reference to an object that can be stored as a string.
		2359
		2360	=item $ob = cf::object::deref ($refstring)
		2361
		2362	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2363	even if the object actually exists. May block.
		2364
		2365	=cut
		2366
		2367	sub deref {
		2368	my ($ref) = @_;
		2369
		2370	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2371	my ($uuid, $name) = ($1, $2);
		2372	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2373	or return;
		2374	$pl->ob->uuid eq $uuid
		2375	or return;
		2376
		2377	$pl->ob
		2378	} else {
		2379	warn "$ref: cannot resolve object reference\n";
		2380	undef
		2381	}
		2382	}
		2383
1821	package cf;	2384	package cf;
1822		2385
1823	=back	2386	=back
1824		2387
1825	=head3 cf::object::player	2388	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2394	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	2395	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2396	dialogue with the given NPC character.
1834		2397
1835	=cut	2398	=cut
		2399
		2400	our $SAY_CHANNEL = {
		2401	id => "say",
		2402	title => "Map",
		2403	reply => "say ",
		2404	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2405	};
		2406
		2407	our $CHAT_CHANNEL = {
		2408	id => "chat",
		2409	title => "Chat",
		2410	reply => "chat ",
		2411	tooltip => "Player chat and shouts, global to the server.",
		2412	};
1836		2413
1837	# rough implementation of a future "reply" method that works	2414	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2415	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2416	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2417	sub cf::object::player::reply($$$;$) {
…		…
1842		2419
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2421
1845	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1847	} else {	2425	} else {
		2426	my $pl = $self->contr;
		2427
		2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2429	my $dialog = $pl->{npc_dialog};
		2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2431
		2432	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2434	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2435	}
1850	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
1851	}	2447	}
1852		2448
1853	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1854		2450
1855	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1868		2464
1869	=item $player_object->enter_link	2465	=item $player_object->enter_link
1870		2466
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2467	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2468
1873	The player should be reasonably safe there for short amounts of time. You	2469	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.	2470	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2471	though, as the palyer cannot control the character while it is on the link
		2472	map.
1875		2473
1876	Will never block.	2474	Will never block.
1877		2475
1878	=item $player_object->leave_link ($map, $x, $y)	2476	=item $player_object->leave_link ($map, $x, $y)
1879		2477
…		…
1902	$self->deactivate_recursive;	2500	$self->deactivate_recursive;
1903		2501
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2502	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2503
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2504	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2505	if $self->map && $self->map->{path} ne "{link}";
1908		2506
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2507	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1910	}	2508	}
1911		2509
1912	sub cf::object::player::leave_link {	2510	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2511	my ($self, $map, $x, $y) = @_;
		2512
		2513	return unless $self->contr->active;
1914		2514
1915	my $link_pos = delete $self->{_link_pos};	2515	my $link_pos = delete $self->{_link_pos};
1916		2516
1917	unless ($map) {	2517	unless ($map) {
1918	# restore original map position	2518	# restore original map position
…		…
1932	# use -1 or undef as default coordinates, not 0, 0	2532	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2533	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2534	if $x <=0 && $y <= 0;
1935		2535
1936	$map->load;	2536	$map->load;
1937	$map->load_diag;	2537	$map->load_neighbours;
1938		2538
1939	return unless $self->contr->active;	2539	return unless $self->contr->active;
		2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1940	$self->activate_recursive;	2541	$self->activate_recursive;
1941		2542
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2544	$self->enter_map ($map, $x, $y);
1944	}	2545	}
1945		2546
1946	cf::player->attach (	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1947	on_logout => sub {
1948	my ($pl) = @_;
1949		2548
1950	# abort map switching before logout	2549	Moves the player to the given map-path and coordinates by first freezing
1951	if ($pl->ob->{_link_pos}) {	2550	her, loading and preparing them map, calling the provided $check callback
1952	cf::sync_job {	2551	that has to return the map if sucecssful, and then unfreezes the player on
1953	$pl->ob->leave_link	2552	the new (success) or old (failed) map position. In either case, $done will
1954	};	2553	be called at the end of this process.
1955	}
1956	},
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2554
1960	# try to abort aborted map switching on player login :)	2555	Note that $check will be called with a potentially non-loaded map, so if
1961	# should happen only on crashes	2556	it needs a loaded map it has to call C<< ->load >>.
1962	if ($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		2557
1978	=item $player_object->goto ($path, $x, $y)
1979
1980	=cut	2558	=cut
		2559
		2560	our $GOTOGEN;
1981		2561
1982	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2563	my ($self, $path, $x, $y, $check, $done) = @_;
		2564
		2565	# do generation counting so two concurrent goto's will be executed in-order
		2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2567
1985	$self->enter_link;	2568	$self->enter_link;
1986		2569
1987	(async {	2570	(async {
		2571	$Coro::current->{desc} = "player::goto $path $x $y";
		2572
		2573	# *tag paths override both path and x|y
		2574	if ($path =~ /^\*(.*)$/) {
		2575	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2576	my $ob = $obs[rand @obs];
		2577
		2578	# see if we actually can go there
		2579	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2580	$ob = $obs[rand @obs];
		2581	} else {
		2582	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584	# else put us there anyways for now #d#
		2585
		2586	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2587	} else {
		2588	($path, $x, $y) = (undef, undef, undef);
		2589	}
		2590	}
		2591
1988	my $map = eval {	2592	my $map = eval {
1989	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
		2594
		2595	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2596	$map = $map->customise_for ($self);
		2597	$map = $check->($map) if $check && $map;
		2598	} else {
		2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2600	}
		2601
1991	$map	2602	$map
		2603	};
		2604
		2605	if ($@) {
		2606	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	LOG llevError | logBacktrace, Carp::longmess $@;
1992	} or	2608	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2609
		2610	if ($gen == $self->{_goto_generation}) {
		2611	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
		2613	}
		2614
		2615	$done->() if $done;
1996	})->prio (1);	2616	})->prio (1);
1997	}	2617	}
1998		2618
1999	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
2000		2620
…		…
2020	}	2640	}
2021		2641
2022	sub prepare_random_map {	2642	sub prepare_random_map {
2023	my ($exit) = @_;	2643	my ($exit) = @_;
2024		2644
2025	my $guard = cf::lock_acquire "exit_prepare:$exit";
2026
2027	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
2028	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
2029	# that depends on the exit object	2647	# that depends on the exit object
2030		2648
2031	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
2033	if ($exit->map) {	2651	if ($exit->map) {
2034	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
2035	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
2036	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
2037	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
2038	}	2658	}
2039		2659
2040	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
2041		2661
2042	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2043	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
2044	my $meta = "$RANDOMDIR/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
2045		2665
2046	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2047	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
2048	undef $fh;	2668	undef $fh;
2049	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
2050		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
2051	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
2052	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
2053	}	2677	}
2054	}	2678	}
2055		2679
2056	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
2057	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
2058		2682
2059	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
2060		2684
2061	if ($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;	2685	$self->enter_link;
2073		2686
2074	(async {	2687	(async {
2075	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
2076	unless (eval {	2690	unless (eval {
		2691	$self->deactivate_recursive; # just to be sure
		2692
		2693	# random map handling
		2694	{
		2695	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2696
		2697	prepare_random_map $exit
		2698	if $exit->slaying eq "/!";
		2699	}
		2700
		2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2702	my $x = $exit->stats->hp;
		2703	my $y = $exit->stats->sp;
		2704
2077	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
2078		2706
		2707	# if exit is damned, update players death & WoR home-position
		2708	$self->contr->savebed ($map, $x, $y)
		2709	if $exit->flag (cf::FLAG_DAMNED);
		2710
2079	1;	2711	1
2080	}) {	2712	}) {
2081	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
2082	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
2083	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
2084	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
2085		2717
2086	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
…		…
2105		2737
2106	utf8::encode $text;	2738	utf8::encode $text;
2107	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108	}	2740	}
2109		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	"c/party" => {
		2802	id => "party",
		2803	title => "Party",
		2804	reply => "gsay ",
		2805	tooltip => "Messages and chat related to your party",
		2806	},
		2807	);
		2808
		2809	sub cf::client::send_msg {
		2810	my ($self, $channel, $msg, $color, @extra) = @_;
		2811
		2812	$msg = $self->pl->expand_cfpod ($msg)
		2813	unless $color & cf::NDI_VERBATIM;
		2814
		2815	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2816
		2817	# check predefined channels, for the benefit of C
		2818	if ($CHANNEL{$channel}) {
		2819	$channel = $CHANNEL{$channel};
		2820
		2821	$self->ext_msg (channel_info => $channel)
		2822	if $self->can_msg;
		2823
		2824	$channel = $channel->{id};
		2825
		2826	} elsif (ref $channel) {
		2827	# send meta info to client, if not yet sent
		2828	unless (exists $self->{channel}{$channel->{id}}) {
		2829	$self->{channel}{$channel->{id}} = $channel;
		2830	$self->ext_msg (channel_info => $channel)
		2831	if $self->can_msg;
		2832	}
		2833
		2834	$channel = $channel->{id};
		2835	}
		2836
		2837	return unless @extra || length $msg;
		2838
		2839	if ($self->can_msg) {
		2840	# default colour, mask it out
		2841	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2842	if $color & cf::NDI_DEF;
		2843
		2844	my $pkt = "msg "
		2845	. $self->{json_coder}->encode (
		2846	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2847	);
		2848
		2849	# try lzf for large packets
		2850	$pkt = "lzf " . Compress::LZF::compress $pkt
		2851	if 1024 <= length $pkt and $self->{can_lzf};
		2852
		2853	# split very large packets
		2854	if (8192 < length $pkt and $self->{can_lzf}) {
		2855	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2856	$pkt = "frag";
		2857	}
		2858
		2859	$self->send_packet ($pkt);
		2860	} else {
		2861	if ($color >= 0) {
		2862	# replace some tags by gcfclient-compatible ones
		2863	for ($msg) {
		2864	1 while
		2865	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2866	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2867	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2868	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2869	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2870	}
		2871
		2872	$color &= cf::NDI_COLOR_MASK;
		2873
		2874	utf8::encode $msg;
		2875
		2876	if (0 && $msg =~ /\[/) {
		2877	# COMMAND/INFO
		2878	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2879	} else {
		2880	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2881	$self->send_packet ("drawinfo $color $msg")
		2882	}
		2883	}
		2884	}
		2885	}
		2886
2110	=item $client->ext_event ($type, %msg)	2887	=item $client->ext_msg ($type, @msg)
2111		2888
2112	Sends an exti event to the client.	2889	Sends an ext event to the client.
2113		2890
2114	=cut	2891	=cut
2115		2892
2116	sub cf::client::ext_event($$%) {	2893	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	2894	my ($self, $type, @msg) = @_;
2118		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2898	} elsif ($self->extcmd == 1) { # TODO: remove
2119	$msg{msgtype} = "event_$type";	2899	push @msg, msgtype => "event_$type";
2120	$self->send_packet ("ext " . cf::to_json \%msg);	2900	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2901	}
		2902	}
		2903
		2904	=item $client->ext_reply ($msgid, @msg)
		2905
		2906	Sends an ext reply to the client.
		2907
		2908	=cut
		2909
		2910	sub cf::client::ext_reply($$@) {
		2911	my ($self, $id, @msg) = @_;
		2912
		2913	if ($self->extcmd == 2) {
		2914	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2915	} elsif ($self->extcmd == 1) {
		2916	#TODO: version 1, remove
		2917	unshift @msg, msgtype => "reply", msgid => $id;
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2919	}
2121	}	2920	}
2122		2921
2123	=item $success = $client->query ($flags, "text", \&cb)	2922	=item $success = $client->query ($flags, "text", \&cb)
2124		2923
2125	Queues a query to the client, calling the given callback with	2924	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>,	2925	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>.	2926	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128		2927
2129	Queries can fail, so check the return code. Or don't, as queries will become	2928	Queries can fail, so check the return code. Or don't, as queries will
2130	reliable at some point in the future.	2929	become reliable at some point in the future.
2131		2930
2132	=cut	2931	=cut
2133		2932
2134	sub cf::client::query {	2933	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	2934	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	2942	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2943	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		2944
2146	$self->send_packet ($self->{query_queue}[0][0])	2945	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	2946	if @{ $self->{query_queue} } == 1;
		2947
		2948	1
2148	}	2949	}
2149		2950
2150	cf::client->attach (	2951	cf::client->attach (
		2952	on_connect => sub {
		2953	my ($ns) = @_;
		2954
		2955	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2956	},
2151	on_reply => sub {	2957	on_reply => sub {
2152	my ($ns, $msg) = @_;	2958	my ($ns, $msg) = @_;
2153		2959
2154	# this weird shuffling is so that direct followup queries	2960	# this weird shuffling is so that direct followup queries
2155	# get handled first	2961	# get handled first
…		…
2167	} else {	2973	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	2975	}
2170	}	2976	}
2171	},	2977	},
		2978	on_exticmd => sub {
		2979	my ($ns, $buf) = @_;
		2980
		2981	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2982
		2983	if (ref $msg) {
		2984	my ($type, $reply, @payload) =
		2985	"ARRAY" eq ref $msg
		2986	? @$msg
		2987	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2988
		2989	my @reply;
		2990
		2991	if (my $cb = $EXTICMD{$type}) {
		2992	@reply = $cb->($ns, @payload);
		2993	}
		2994
		2995	$ns->ext_reply ($reply, @reply)
		2996	if $reply;
		2997
		2998	} else {
		2999	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3000	}
		3001
		3002	cf::override;
		3003	},
2172	);	3004	);
2173		3005
2174	=item $client->async (\&cb)	3006	=item $client->async (\&cb)
2175		3007
2176	Create a new coroutine, running the specified callback. The coroutine will	3008	Create a new coroutine, running the specified callback. The coroutine will
…		…
2217	our $safe = new Safe "safe";	3049	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	3050	our $safe_hole = new Safe::Hole;
2219		3051
2220	$SIG{FPE} = 'IGNORE';	3052	$SIG{FPE} = 'IGNORE';
2221		3053
2222	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3054	$safe->permit_only (Opcode::opset qw(
		3055	:base_core :base_mem :base_orig :base_math
		3056	grepstart grepwhile mapstart mapwhile
		3057	sort time
		3058	));
2223		3059
2224	# here we export the classes and methods available to script code	3060	# here we export the classes and methods available to script code
2225		3061
2226	=pod	3062	=pod
2227		3063
2228	The following functions and methods are available within a safe environment:	3064	The following functions and methods are available within a safe environment:
2229		3065
2230	cf::object contr pay_amount pay_player map	3066	cf::object
		3067	contr pay_amount pay_player map x y force_find force_add destroy
		3068	insert remove name archname title slaying race decrease split
		3069
2231	cf::object::player player	3070	cf::object::player
2232	cf::player peaceful	3071	player
2233	cf::map trigger	3072
		3073	cf::player
		3074	peaceful
		3075
		3076	cf::map
		3077	trigger
2234		3078
2235	=cut	3079	=cut
2236		3080
2237	for (	3081	for (
2238	["cf::object" => qw(contr pay_amount pay_player map)],	3082	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3083	insert remove inv nrof name archname title slaying race
		3084	decrease split destroy change_exp)],
2239	["cf::object::player" => qw(player)],	3085	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	3086	["cf::player" => qw(peaceful)],
2241	["cf::map" => qw(trigger)],	3087	["cf::map" => qw(trigger)],
2242	) {	3088	) {
2243	no strict 'refs';	3089	no strict 'refs';
…		…
2314	=back	3160	=back
2315		3161
2316	=cut	3162	=cut
2317		3163
2318	#############################################################################	3164	#############################################################################
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 $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491
2492	#############################################################################
2493	# the server's init and main functions	3165	# the server's init and main functions
2494		3166
2495	sub load_facedata($) {	3167	sub load_facedata($) {
2496	my ($path) = @_;	3168	my ($path) = @_;
		3169
		3170	# HACK to clear player env face cache, we need some signal framework
		3171	# for this (global event?)
		3172	%ext::player_env::MUSIC_FACE_CACHE = ();
		3173
		3174	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2497		3175
2498	warn "loading facedata from $path\n";	3176	warn "loading facedata from $path\n";
2499		3177
2500	my $facedata;	3178	my $facedata;
2501	0 < aio_load $path, $facedata	3179	0 < aio_load $path, $facedata
…		…
2504	$facedata = Coro::Storable::thaw $facedata;	3182	$facedata = Coro::Storable::thaw $facedata;
2505		3183
2506	$facedata->{version} == 2	3184	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	3185	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		3186
		3187	# patch in the exptable
		3188	$facedata->{resource}{"res/exp_table"} = {
		3189	type => FT_RSRC,
		3190	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3191	};
		3192	cf::cede_to_tick;
		3193
2509	{	3194	{
2510	my $faces = $facedata->{faceinfo};	3195	my $faces = $facedata->{faceinfo};
2511		3196
2512	while (my ($face, $info) = each %$faces) {	3197	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3199
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3200	cf::face::set_visibility $idx, $info->{visibility};
		3201	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3202	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3203	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517	Coro::cede;	3204
		3205	cf::cede_to_tick;
2518	}	3206	}
2519		3207
2520	while (my ($face, $info) = each %$faces) {	3208	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	3209	next unless $info->{smooth};
		3210
2522	my $idx = cf::face::find $face	3211	my $idx = cf::face::find $face
2523	or next;	3212	or next;
		3213
2524	if (my $smooth = cf::face::find $info->{smooth}) {	3214	if (my $smooth = cf::face::find $info->{smooth}) {
		3215	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	3217	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	3218	warn "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	3219	}
2529	Coro::cede;	3220
		3221	cf::cede_to_tick;
2530	}	3222	}
2531	}	3223	}
2532		3224
2533	{	3225	{
2534	my $anims = $facedata->{animinfo};	3226	my $anims = $facedata->{animinfo};
2535		3227
2536	while (my ($anim, $info) = each %$anims) {	3228	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	3229	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	3230	cf::cede_to_tick;
2539	}	3231	}
2540		3232
2541	cf::anim::invalidate_all; # d'oh	3233	cf::anim::invalidate_all; # d'oh
2542	}	3234	}
2543		3235
		3236	{
		3237	# TODO: for gcfclient pleasure, we should give resources
		3238	# that gcfclient doesn't grok a >10000 face index.
		3239	my $res = $facedata->{resource};
		3240
		3241	while (my ($name, $info) = each %$res) {
		3242	if (defined $info->{type}) {
		3243	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3244	my $data;
		3245
		3246	if ($info->{type} & 1) {
		3247	# prepend meta info
		3248
		3249	my $meta = $enc->encode ({
		3250	name => $name,
		3251	%{ $info->{meta} || {} },
		3252	});
		3253
		3254	$data = pack "(w/a*)*", $meta, $info->{data};
		3255	} else {
		3256	$data = $info->{data};
		3257	}
		3258
		3259	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3260	cf::face::set_type $idx, $info->{type};
		3261	} else {
		3262	$RESOURCE{$name} = $info;
		3263	}
		3264
		3265	cf::cede_to_tick;
		3266	}
		3267	}
		3268
		3269	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3270
2544	1	3271	1
2545	}	3272	}
2546		3273
		3274	cf::global->attach (on_resource_update => sub {
		3275	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3276	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3277
		3278	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3279	my $sound = $soundconf->{compat}[$_]
		3280	or next;
		3281
		3282	my $face = cf::face::find "sound/$sound->[1]";
		3283	cf::sound::set $sound->[0] => $face;
		3284	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3285	}
		3286
		3287	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3288	my $face = cf::face::find "sound/$v";
		3289	cf::sound::set $k => $face;
		3290	}
		3291	}
		3292	});
		3293
		3294	register_exticmd fx_want => sub {
		3295	my ($ns, $want) = @_;
		3296
		3297	while (my ($k, $v) = each %$want) {
		3298	$ns->fx_want ($k, $v);
		3299	}
		3300	};
		3301
		3302	sub load_resource_file($) {
		3303	my $guard = lock_acquire "load_resource_file";
		3304
		3305	my $status = load_resource_file_ $_[0];
		3306	get_slot 0.1, 100;
		3307	cf::arch::commit_load;
		3308
		3309	$status
		3310	}
		3311
2547	sub reload_regions {	3312	sub reload_regions {
		3313	# HACK to clear player env face cache, we need some signal framework
		3314	# for this (global event?)
		3315	%ext::player_env::MUSIC_FACE_CACHE = ();
		3316
2548	load_resource_file "$MAPDIR/regions"	3317	load_resource_file "$MAPDIR/regions"
2549	or die "unable to load regions file\n";	3318	or die "unable to load regions file\n";
		3319
		3320	for (cf::region::list) {
		3321	$_->{match} = qr/$_->{match}/
		3322	if exists $_->{match};
		3323	}
2550	}	3324	}
2551		3325
2552	sub reload_facedata {	3326	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3327	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3328	or die "unable to load facedata\n";
…		…
2565	}	3339	}
2566		3340
2567	sub reload_resources {	3341	sub reload_resources {
2568	warn "reloading resource files...\n";	3342	warn "reloading resource files...\n";
2569		3343
2570	reload_regions;
2571	reload_facedata;	3344	reload_facedata;
2572	reload_archetypes;	3345	reload_archetypes;
		3346	reload_regions;
2573	reload_treasures;	3347	reload_treasures;
2574		3348
2575	warn "finished reloading resource files\n";	3349	warn "finished reloading resource files\n";
2576	}	3350	}
2577		3351
2578	sub init {	3352	sub init {
		3353	my $guard = freeze_mainloop;
		3354
		3355	evthread_start IO::AIO::poll_fileno;
		3356
2579	reload_resources;	3357	reload_resources;
2580	}	3358	}
2581		3359
2582	sub cfg_load {	3360	sub reload_config {
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3361	open my $fh, "<:utf8", "$CONFDIR/config"
2584	or return;	3362	or return;
2585		3363
2586	local $/;	3364	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;	3365	*CFG = YAML::Load <$fh>;
2588		3366
2589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2590		3368
2591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3369	$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};	3370	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2598	};	3376	};
2599	warn $@ if $@;	3377	warn $@ if $@;
2600	}	3378	}
2601	}	3379	}
2602		3380
		3381	sub pidfile() {
		3382	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3383	or die "$PIDFILE: $!";
		3384	flock $fh, &Fcntl::LOCK_EX
		3385	or die "$PIDFILE: flock: $!";
		3386	$fh
		3387	}
		3388
		3389	# make sure only one server instance is running at any one time
		3390	sub atomic {
		3391	my $fh = pidfile;
		3392
		3393	my $pid = <$fh>;
		3394	kill 9, $pid if $pid > 0;
		3395
		3396	seek $fh, 0, 0;
		3397	print $fh $$;
		3398	}
		3399
2603	sub main {	3400	sub main {
		3401	atomic;
		3402
2604	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2605	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2607	(async {	3406	(async {
2608	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2609	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2610	};	3410	};
2611		3411
2612	cfg_load;	3412	{
		3413	my $guard = freeze_mainloop;
		3414	reload_config;
2613	db_init;	3415	db_init;
2614	load_extensions;	3416	load_extensions;
2615		3417
2616	$TICK_WATCHER->start;	3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419	}
		3420
		3421	utime time, time, $RUNTIMEFILE;
		3422
		3423	# no (long-running) fork's whatsoever before this point(!)
		3424	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3425
2617	Event::loop;	3426	EV::loop;
2618	}	3427	}
2619		3428
2620	#############################################################################	3429	#############################################################################
2621	# initialisation and cleanup	3430	# initialisation and cleanup
2622		3431
2623	# install some emergency cleanup handlers	3432	# install some emergency cleanup handlers
2624	BEGIN {	3433	BEGIN {
		3434	our %SIGWATCHER = ();
2625	for my $signal (qw(INT HUP TERM)) {	3435	for my $signal (qw(INT HUP TERM)) {
2626	Event->signal (	3436	$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";	3437	cf::cleanup "SIG$signal";
2633	},
2634	);	3438	};
		3439	}
		3440	}
		3441
		3442	sub write_runtime_sync {
		3443	# first touch the runtime file to show we are still running:
		3444	# the fsync below can take a very very long time.
		3445
		3446	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3447
		3448	my $guard = cf::lock_acquire "write_runtime";
		3449
		3450	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3451	or return;
		3452
		3453	my $value = $cf::RUNTIME + 90 + 10;
		3454	# 10 is the runtime save interval, for a monotonic clock
		3455	# 60 allows for the watchdog to kill the server.
		3456
		3457	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3458	and return;
		3459
		3460	# always fsync - this file is important
		3461	aio_fsync $fh
		3462	and return;
		3463
		3464	# touch it again to show we are up-to-date
		3465	aio_utime $fh, undef, undef;
		3466
		3467	close $fh
		3468	or return;
		3469
		3470	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3471	and return;
		3472
		3473	warn "runtime file written.\n";
		3474
2635	}	3475	1
		3476	}
		3477
		3478	our $uuid_lock;
		3479	our $uuid_skip;
		3480
		3481	sub write_uuid_sync($) {
		3482	$uuid_skip ||= $_[0];
		3483
		3484	return if $uuid_lock;
		3485	local $uuid_lock = 1;
		3486
		3487	my $uuid = "$LOCALDIR/uuid";
		3488
		3489	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3490	or return;
		3491
		3492	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3493	$uuid_skip = 0;
		3494
		3495	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3496	and return;
		3497
		3498	# always fsync - this file is important
		3499	aio_fsync $fh
		3500	and return;
		3501
		3502	close $fh
		3503	or return;
		3504
		3505	aio_rename "$uuid~", $uuid
		3506	and return;
		3507
		3508	warn "uuid file written ($value).\n";
		3509
		3510	1
		3511
		3512	}
		3513
		3514	sub write_uuid($$) {
		3515	my ($skip, $sync) = @_;
		3516
		3517	$sync ? write_uuid_sync $skip
		3518	: async { write_uuid_sync $skip };
2636	}	3519	}
2637		3520
2638	sub emergency_save() {	3521	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3522	my $freeze_guard = cf::freeze_mainloop;
2640		3523
…		…
2646	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2647	warn "begin emergency player save\n";	3530	warn "begin emergency player save\n";
2648	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2649	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2650	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651	$pl->save;	3535	$pl->save;
2652	}	3536	}
2653	warn "end emergency player save\n";	3537	warn "end emergency player save\n";
2654		3538
2655	warn "begin emergency map save\n";	3539	warn "begin emergency map save\n";
…		…
2661	warn "end emergency map save\n";	3545	warn "end emergency map save\n";
2662		3546
2663	warn "begin emergency database checkpoint\n";	3547	warn "begin emergency database checkpoint\n";
2664	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
2665	warn "end emergency database checkpoint\n";	3549	warn "end emergency database checkpoint\n";
		3550
		3551	warn "begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "end write uuid\n";
2666	};	3554	};
2667		3555
2668	warn "leave emergency perl save\n";	3556	warn "leave emergency perl save\n";
2669	}	3557	}
2670		3558
2671	sub post_cleanup {	3559	sub post_cleanup {
2672	my ($make_core) = @_;	3560	my ($make_core) = @_;
2673		3561
2674	warn Carp::longmess "post_cleanup backtrace"	3562	warn Carp::longmess "post_cleanup backtrace"
2675	if $make_core;	3563	if $make_core;
		3564
		3565	my $fh = pidfile;
		3566	unlink $PIDFILE if <$fh> == $$;
2676	}	3567	}
		3568
		3569	# a safer delete_package, copied from Symbol
		3570	sub clear_package($) {
		3571	my $pkg = shift;
		3572
		3573	# expand to full symbol table name if needed
		3574	unless ($pkg =~ /^main::.*::$/) {
		3575	$pkg = "main$pkg" if $pkg =~ /^::/;
		3576	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3577	$pkg .= '::' unless $pkg =~ /::$/;
		3578	}
		3579
		3580	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3581	my $stem_symtab = *{$stem}{HASH};
		3582
		3583	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3584	or return;
		3585
		3586	# clear all symbols
		3587	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3588	for my $name (keys %$leaf_symtab) {
		3589	_gv_clear *{"$pkg$name"};
		3590	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3591	}
		3592	warn "cleared package #$pkg\n";#d#
		3593	}
		3594
		3595	our $RELOAD; # how many times to reload
2677		3596
2678	sub do_reload_perl() {	3597	sub do_reload_perl() {
2679	# can/must only be called in main	3598	# can/must only be called in main
2680	if ($Coro::current != $Coro::main) {	3599	if ($Coro::current != $Coro::main) {
2681	warn "can only reload from main coroutine";	3600	warn "can only reload from main coroutine";
2682	return;	3601	return;
2683	}	3602	}
2684		3603
		3604	return if $RELOAD++;
		3605
		3606	while ($RELOAD) {
2685	warn "reloading...";	3607	warn "reloading...";
2686		3608
2687	warn "entering sync_job";	3609	warn "entering sync_job";
2688		3610
2689	cf::sync_job {	3611	cf::sync_job {
2690	cf::write_runtime; # external watchdog should not bark	3612	cf::write_runtime_sync; # external watchdog should not bark
2691	cf::emergency_save;	3613	cf::emergency_save;
2692	cf::write_runtime; # external watchdog should not bark	3614	cf::write_runtime_sync; # external watchdog should not bark
2693		3615
2694	warn "syncing database to disk";	3616	warn "syncing database to disk";
2695	BDB::db_env_txn_checkpoint $DB_ENV;	3617	BDB::db_env_txn_checkpoint $DB_ENV;
2696		3618
2697	# if anything goes wrong in here, we should simply crash as we already saved	3619	# if anything goes wrong in here, we should simply crash as we already saved
2698		3620
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";	3621	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;	3622	while (IO::AIO::nreqs || BDB::nreqs) {
2710	warn "iterate...";	3623	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	}	3624	}
2735		3625
2736	warn "... nuking $pkg";	3626	warn "cancelling all extension coros";
2737	Symbol::delete_package $pkg;	3627	$_->cancel for values %EXT_CORO;
2738	}	3628	%EXT_CORO = ();
2739		3629
2740	warn "unloading all perl modules loaded from $LIBDIR";	3630	warn "removing commands";
2741	while (my ($k, $v) = each %INC) {	3631	%COMMAND = ();
2742	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2743		3632
		3633	warn "removing ext/exti commands";
		3634	%EXTCMD = ();
		3635	%EXTICMD = ();
		3636
		3637	warn "unloading/nuking all extensions";
		3638	for my $pkg (@EXTS) {
2744	warn "... unloading $k";	3639	warn "... unloading $pkg";
2745	delete $INC{$k};
2746		3640
2747	$k =~ s/\.pm$//;
2748	$k =~ s/\//::/g;
2749
2750	if (my $cb = $k->can ("unload_module")) {	3641	if (my $cb = $pkg->can ("unload")) {
		3642	eval {
2751	$cb->();	3643	$cb->($pkg);
		3644	1
		3645	} or warn "$pkg unloaded, but with errors: $@";
		3646	}
		3647
		3648	warn "... clearing $pkg";
		3649	clear_package $pkg;
2752	}	3650	}
2753		3651
2754	Symbol::delete_package $k;	3652	warn "unloading all perl modules loaded from $LIBDIR";
		3653	while (my ($k, $v) = each %INC) {
		3654	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3655
		3656	warn "... unloading $k";
		3657	delete $INC{$k};
		3658
		3659	$k =~ s/\.pm$//;
		3660	$k =~ s/\//::/g;
		3661
		3662	if (my $cb = $k->can ("unload_module")) {
		3663	$cb->();
		3664	}
		3665
		3666	clear_package $k;
2755	}	3667	}
2756		3668
2757	warn "getting rid of safe::, as good as possible";	3669	warn "getting rid of safe::, as good as possible";
2758	Symbol::delete_package "safe::$_"	3670	clear_package "safe::$_"
2759	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3671	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2760		3672
2761	warn "unloading cf.pm \"a bit\"";	3673	warn "unloading cf.pm \"a bit\"";
2762	delete $INC{"cf.pm"};	3674	delete $INC{"cf.pm"};
2763	delete $INC{"cf/pod.pm"};	3675	delete $INC{"cf/pod.pm"};
2764		3676
2765	# don't, removes xs symbols, too,	3677	# don't, removes xs symbols, too,
2766	# and global variables created in xs	3678	# and global variables created in xs
2767	#Symbol::delete_package __PACKAGE__;	3679	#clear_package __PACKAGE__;
2768		3680
2769	warn "unload completed, starting to reload now";	3681	warn "unload completed, starting to reload now";
2770		3682
2771	warn "reloading cf.pm";	3683	warn "reloading cf.pm";
2772	require cf;	3684	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2774		3686
2775	warn "loading config and database again";	3687	warn "loading config and database again";
2776	cf::cfg_load;	3688	cf::reload_config;
2777		3689
2778	warn "loading extensions";	3690	warn "loading extensions";
2779	cf::load_extensions;	3691	cf::load_extensions;
2780		3692
2781	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
2782	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
2783	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
2784	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
2785	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
2786	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
2787		3699
2788	warn "leaving sync_job";	3700	warn "leaving sync_job";
2789		3701
2790	1	3702	1
2791	} or do {	3703	} or do {
2792	warn $@;	3704	warn $@;
2793	warn "error while reloading, exiting.";	3705	cf::cleanup "error while reloading, exiting.";
2794	exit 1;
2795	};	3706	};
2796		3707
2797	warn "reloaded";	3708	warn "reloaded";
		3709	--$RELOAD;
		3710	}
2798	};	3711	};
2799		3712
2800	our $RELOAD_WATCHER; # used only during reload	3713	our $RELOAD_WATCHER; # used only during reload
2801		3714
2802	sub reload_perl() {	3715	sub reload_perl() {
2803	# doing reload synchronously and two reloads happen back-to-back,	3716	# doing reload synchronously and two reloads happen back-to-back,
2804	# coro crashes during coro_state_free->destroy here.	3717	# coro crashes during coro_state_free->destroy here.
2805		3718
2806	$RELOAD_WATCHER ||= Event->timer (	3719	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2807	reentrant => 0,
2808	after => 0,
2809	data => WF_AUTOCANCEL,
2810	cb => sub {
2811	do_reload_perl;	3720	do_reload_perl;
2812	undef $RELOAD_WATCHER;	3721	undef $RELOAD_WATCHER;
2813	},
2814	);	3722	};
2815	}	3723	}
2816		3724
2817	register_command "reload" => sub {	3725	register_command "reload" => sub {
2818	my ($who, $arg) = @_;	3726	my ($who, $arg) = @_;
2819		3727
2820	if ($who->flag (FLAG_WIZ)) {	3728	if ($who->flag (FLAG_WIZ)) {
2821	$who->message ("reloading server.");	3729	$who->message ("reloading server.");
		3730	async {
		3731	$Coro::current->{desc} = "perl_reload";
2822	async { reload_perl };	3732	reload_perl;
		3733	};
2823	}	3734	}
2824	};	3735	};
2825		3736
2826	unshift @INC, $LIBDIR;	3737	unshift @INC, $LIBDIR;
2827		3738
…		…
2829		3740
2830	our @WAIT_FOR_TICK;	3741	our @WAIT_FOR_TICK;
2831	our @WAIT_FOR_TICK_BEGIN;	3742	our @WAIT_FOR_TICK_BEGIN;
2832		3743
2833	sub wait_for_tick {	3744	sub wait_for_tick {
2834	return unless $TICK_WATCHER->is_active;
2835	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
2836		3746
2837	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
2838	push @WAIT_FOR_TICK, $signal;	3748	push @WAIT_FOR_TICK, $signal;
2839	$signal->wait;	3749	$signal->wait;
2840	}	3750	}
2841		3751
2842	sub wait_for_tick_begin {	3752	sub wait_for_tick_begin {
2843	return unless $TICK_WATCHER->is_active;
2844	return if $Coro::current == $Coro::main;	3753	return if tick_inhibit || $Coro::current == $Coro::main;
2845		3754
2846	my $signal = new Coro::Signal;	3755	my $signal = new Coro::Signal;
2847	push @WAIT_FOR_TICK_BEGIN, $signal;	3756	push @WAIT_FOR_TICK_BEGIN, $signal;
2848	$signal->wait;	3757	$signal->wait;
2849	}	3758	}
2850		3759
2851	$TICK_WATCHER = Event->timer (	3760	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) {	3761	if ($Coro::current != $Coro::main) {
2859	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3762	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2860	unless ++$bug_warning > 10;	3763	unless ++$bug_warning > 10;
2861	return;	3764	return;
2862	}	3765	}
2863		3766
2864	$NOW = $tick_start = Event::time;
2865
2866	cf::server_tick; # one server iteration	3767	cf::server_tick; # one server iteration
2867		3768
2868	$RUNTIME += $TICK;
2869	$NEXT_TICK += $TICK;
2870
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872	$NEXT_RUNTIME_WRITE = $NOW + 10;	3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2873	Coro::async_pool {	3771	Coro::async_pool {
		3772	$Coro::current->{desc} = "runtime saver";
2874	write_runtime	3773	write_runtime_sync
2875	or warn "ERROR: unable to write runtime file: $!";	3774	or warn "ERROR: unable to write runtime file: $!";
2876	};
2877	}	3775	};
		3776	}
2878		3777
2879	# my $AFTER = Event::time;
2880	# warn $AFTER - $NOW;#d#
2881
2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3778	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883	$sig->send;	3779	$sig->send;
2884	}	3780	}
2885	while (my $sig = shift @WAIT_FOR_TICK) {	3781	while (my $sig = shift @WAIT_FOR_TICK) {
2886	$sig->send;	3782	$sig->send;
2887	}	3783	}
2888		3784
2889	$NOW = Event::time;	3785	$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;	3786	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899		3787
2900	_post_tick;	3788	if (0) {
2901		3789	if ($NEXT_TICK) {
2902		3790	my $jitter = $TICK_START - $NEXT_TICK;
		3791	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3792	warn "jitter $JITTER\n";#d#
		3793	}
2903	},	3794	}
2904	);	3795	}
2905		3796
2906	{	3797	{
2907	BDB::max_poll_time $TICK * 0.1;	3798	# configure BDB
2908	$BDB_POLL_WATCHER = Event->io (	3799
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;	3800	BDB::min_parallel 8;
2917		3801	BDB::max_poll_reqs $TICK * 0.1;
2918	BDB::set_sync_prepare {	3802	$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		3803
2933	unless ($DB_ENV) {	3804	unless ($DB_ENV) {
2934	$DB_ENV = BDB::db_env_create;	3805	$DB_ENV = BDB::db_env_create;
		3806	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3807	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3808	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3809	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3810	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2935		3811
2936	cf::sync_job {	3812	cf::sync_job {
2937	eval {	3813	eval {
2938	BDB::db_env_open	3814	BDB::db_env_open
2939	$DB_ENV,	3815	$DB_ENV,
…		…
2941	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3817	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3818	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943	0666;	3819	0666;
2944		3820
2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3821	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	};	3822	};
2950		3823
2951	cf::cleanup "db_env_open(db): $@" if $@;	3824	cf::cleanup "db_env_open(db): $@" if $@;
2952	};	3825	};
2953	}	3826	}
		3827
		3828	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3829	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3830	};
		3831	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3832	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3833	};
		3834	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3835	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3836	};
2954	}	3837	}
2955		3838
2956	{	3839	{
		3840	# configure IO::AIO
		3841
2957	IO::AIO::min_parallel 8;	3842	IO::AIO::min_parallel 8;
2958
2959	undef $Coro::AIO::WATCHER;
2960	IO::AIO::max_poll_time $TICK * 0.1;	3843	IO::AIO::max_poll_time $TICK * 0.1;
2961	$AIO_POLL_WATCHER = Event->io (	3844	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	}	3845	}
2970		3846
2971	my $_log_backtrace;	3847	my $_log_backtrace;
2972		3848
2973	sub _log_backtrace {	3849	sub _log_backtrace {
…		…
2976	$msg =~ s/\n//;	3852	$msg =~ s/\n//;
2977		3853
2978	# limit the # of concurrent backtraces	3854	# limit the # of concurrent backtraces
2979	if ($_log_backtrace < 2) {	3855	if ($_log_backtrace < 2) {
2980	++$_log_backtrace;	3856	++$_log_backtrace;
		3857	my $perl_bt = Carp::longmess $msg;
2981	async {	3858	async {
		3859	$Coro::current->{desc} = "abt $msg";
		3860
2982	my @bt = fork_call {	3861	my @bt = fork_call {
2983	@addr = map { sprintf "%x", $_ } @addr;	3862	@addr = map { sprintf "%x", $_ } @addr;
2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3863	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3864	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986	or die "addr2line: $!";	3865	or die "addr2line: $!";
…		…
2994	}	3873	}
2995		3874
2996	@funcs	3875	@funcs
2997	};	3876	};
2998		3877
2999	LOG llevInfo, "[ABT] $msg\n";	3878	LOG llevInfo, "[ABT] $perl_bt\n";
		3879	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3000	LOG llevInfo, "[ABT] $_\n" for @bt;	3880	LOG llevInfo, "[ABT] $_\n" for @bt;
3001	--$_log_backtrace;	3881	--$_log_backtrace;
3002	};	3882	};
3003	} else {	3883	} else {
3004	LOG llevInfo, "[ABT] $msg\n";	3884	LOG llevInfo, "[ABT] $msg\n";

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines