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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.476 by root, Wed Sep 2 16:54:20 2009 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 qw(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
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;	56	use Digest::MD5;
28	use Fcntl;	57	use Fcntl;
29	use YAML::Syck ();	58	use YAML ();
30	use IO::AIO 2.32 ();	59	use IO::AIO ();
31	use Time::HiRes;	60	use Time::HiRes;
32	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
33		65
34	# configure various modules to our taste	66	# configure various modules to our taste
35	#	67	#
36	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		76
40	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
41		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		79
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		81
49	our %COMMAND = ();	82	our %COMMAND = ();
50	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
51		84
52	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
56		90
57	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	92	our @EVENT;
59		93
60	our $CONFDIR = confdir;	94	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	95	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	96	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	97	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	98	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	99	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	103	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
71		109
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	110	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	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	112	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
82		121
83	our %CFG;	122	our %CFG;
84		123
85	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
87		127
88	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	130	our $LINK_MAP; # the special {link} map, which is always available
91		131
92	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		134
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
98		144
99	binmode STDOUT;	145	binmode STDOUT;
100	binmode STDERR;	146	binmode STDERR;
101		147
102	# read virtual server time, if available	148	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	150	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
107	}	153	}
		154
		155	eval "sub TICK() { $TICK } 1" or die;
108		156
109	mkdir $_	157	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		159
112	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
…		…
155		203
156	The raw value load value from the last tick.	204	The raw value load value from the last tick.
157		205
158	=item %cf::CFG	206	=item %cf::CFG
159		207
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	209	from wherever your confdir points to.
162		210
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		212
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	213	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	214	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.	215	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		216
		217	=item @cf::INVOKE_RESULTS
		218
		219	This array contains the results of the last C<invoke ()> call. When
		220	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		221	that call.
		222
169	=back	223	=back
170		224
171	=cut	225	=cut
172		226
173	BEGIN {	227	BEGIN {
…		…
177	$msg .= "\n"	231	$msg .= "\n"
178	unless $msg =~ /\n$/;	232	unless $msg =~ /\n$/;
179		233
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	234	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		235
182	utf8::encode $msg;
183	LOG llevError, $msg;	236	LOG llevError, $msg;
184	};	237	};
185	}	238	}
		239
		240	$Coro::State::DIEHOOK = sub {
		241	return unless $^S eq 0; # "eq", not "=="
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	warn Carp::longmess $_[0];
		250	Coro::terminate
		251	};
		252
		253	$SIG{__DIE__} = sub { }; #d#?
186		254
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	255	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	256	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	257	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	258	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	259	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		260	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	261	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		262
194	# we bless all objects into (empty) derived classes to force a method lookup	263	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	264	# within the Safe compartment.
196	for my $pkg (qw(	265	for my $pkg (qw(
197	cf::global cf::attachable	266	cf::global cf::attachable
198	cf::object cf::object::player	267	cf::object cf::object::player
199	cf::client cf::player	268	cf::client cf::player
200	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
201	cf::map cf::party cf::region	271	cf::party cf::region
202	)) {	272	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	274	}
206		275
207	$Event::DIED = sub {	276	$EV::DIED = sub {
208	warn "error in event callback: @_";	277	warn "error in event callback: @_";
209	};	278	};
		279
		280	#############################################################################
210		281
211	=head2 UTILITY FUNCTIONS	282	=head2 UTILITY FUNCTIONS
212		283
213	=over 4	284	=over 4
214		285
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	304	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	305	$d
235	} || "[unable to dump $_[0]: '$@']";	306	} || "[unable to dump $_[0]: '$@']";
236	}	307	}
237		308
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	309	=item $ref = cf::decode_json $json
241		310
242	Converts a JSON string into the corresponding perl data structure.	311	Converts a JSON string into the corresponding perl data structure.
243		312
244	=item $json = cf::to_json $ref	313	=item $json = cf::encode_json $ref
245		314
246	Converts a perl data structure into its JSON representation.	315	Converts a perl data structure into its JSON representation.
247		316
		317	=cut
		318
		319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		320
		321	sub encode_json($) { $json_coder->encode ($_[0]) }
		322	sub decode_json($) { $json_coder->decode ($_[0]) }
		323
		324	=item cf::post_init { BLOCK }
		325
		326	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		327	but I<before> the server starts ticking again.
		328
		329	The cdoeblock will have a single boolean argument to indicate whether this
		330	is a reload or not.
		331
		332	=cut
		333
		334	sub post_init(&) {
		335	push @POST_INIT, shift;
		336	}
		337
248	=item cf::lock_wait $string	338	=item cf::lock_wait $string
249		339
250	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
251		341
252	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
253		343
254	Wait until the given lock is available and then acquires it and returns	344	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,	345	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
257	returned.	347	returned.
258		348
		349	Locks are *not* recursive, locking from the same coro twice results in a
		350	deadlocked coro.
		351
259	Lock names should begin with a unique identifier (for example, cf::map::find	352	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	353	uses map_find and cf::map::load uses map_load).
261		354
262	=item $locked = cf::lock_active $string	355	=item $locked = cf::lock_active $string
263		356
264	Return true if the lock is currently active, i.e. somebody has locked it.	357	Return true if the lock is currently active, i.e. somebody has locked it.
265		358
266	=cut	359	=cut
267		360
268	our %LOCK;	361	our $LOCKS = new Coro::SemaphoreSet;
269		362
270	sub lock_wait($) {	363	sub lock_wait($) {
271	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	365	}
279		366
280	sub lock_acquire($) {	367	sub lock_acquire($) {
281	my ($key) = @_;	368	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	369	}
293		370
294	sub lock_active($) {	371	sub lock_active($) {
295	my ($key) = @_;	372	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	373	}
299		374
300	sub freeze_mainloop {	375	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
302		377
303	my $guard = Coro::guard {	378	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	379	}
		380
		381	=item cf::periodic $interval, $cb
		382
		383	Like EV::periodic, but randomly selects a starting point so that the actions
		384	get spread over timer.
		385
		386	=cut
		387
		388	sub periodic($$) {
		389	my ($interval, $cb) = @_;
		390
		391	my $start = rand List::Util::min 180, $interval;
		392
		393	EV::periodic $start, $interval, 0, $cb
		394	}
		395
		396	=item cf::get_slot $time[, $priority[, $name]]
		397
		398	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		399	This call blocks and returns only when you have at least C<$time> seconds
		400	of cpu time till the next tick. The slot is only valid till the next cede.
		401
		402	The optional C<$name> can be used to identify the job to run. It might be
		403	used for statistical purposes and should identify the same time-class.
		404
		405	Useful for short background jobs.
		406
		407	=cut
		408
		409	our @SLOT_QUEUE;
		410	our $SLOT_QUEUE;
		411
		412	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		413	$SLOT_QUEUE = Coro::async {
		414	$Coro::current->desc ("timeslot manager");
		415
		416	my $signal = new Coro::Signal;
		417
		418	while () {
		419	next_job:
		420	my $avail = cf::till_tick;
		421	if ($avail > 0.01) {
		422	for (0 .. $#SLOT_QUEUE) {
		423	if ($SLOT_QUEUE[$_][0] < $avail) {
		424	my $job = splice @SLOT_QUEUE, $_, 1, ();
		425	$job->[2]->send;
		426	Coro::cede;
		427	goto next_job;
		428	}
		429	}
		430	}
		431
		432	if (@SLOT_QUEUE) {
		433	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		434	push @cf::WAIT_FOR_TICK, $signal;
		435	$signal->wait;
		436	} else {
		437	Coro::schedule;
		438	}
305	};	439	}
306	$TICK_WATCHER->stop;	440	};
307	$guard	441
		442	sub get_slot($;$$) {
		443	return if tick_inhibit || $Coro::current == $Coro::main;
		444
		445	my ($time, $pri, $name) = @_;
		446
		447	$time = $TICK * .6 if $time > $TICK * .6;
		448	my $sig = new Coro::Signal;
		449
		450	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		451	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		452	$SLOT_QUEUE->ready;
		453	$sig->wait;
308	}	454	}
309		455
310	=item cf::async { BLOCK }	456	=item cf::async { BLOCK }
311		457
312	Currently the same as Coro::async_pool, meaning you cannot use	458	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		463
318	BEGIN { *async = \&Coro::async_pool }	464	BEGIN { *async = \&Coro::async_pool }
319		465
320	=item cf::sync_job { BLOCK }	466	=item cf::sync_job { BLOCK }
321		467
322	The design of crossfire+ requires that the main coro ($Coro::main) is	468	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	469	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	470	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		471	acceptable.
325		472
326	If it must be done, put the blocking parts into C<sync_job>. This will run	473	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	474	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	475	server will be frozen during this time, so the block should either finish
329	fast or be very important.	476	fast or be very important.
…		…
332		479
333	sub sync_job(&) {	480	sub sync_job(&) {
334	my ($job) = @_;	481	my ($job) = @_;
335		482
336	if ($Coro::current == $Coro::main) {	483	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	484	my $time = EV::time;
338		485
339	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
341		488
342	# TODO: use suspend/resume instead	489	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	490
344	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
345		492
346	my $busy = 1;	493	my $busy = 1;
347	my @res;	494	my @res;
348		495
349	(async {	496	(async {
		497	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	498	@res = eval { $job->() };
351	warn $@ if $@;	499	warn $@ if $@;
352	undef $busy;	500	undef $busy;
353	})->prio (Coro::PRIO_MAX);	501	})->prio (Coro::PRIO_MAX);
354		502
355	while ($busy) {	503	while ($busy) {
356	Coro::cede or Event::one_event;	504	if (Coro::nready) {
		505	Coro::cede_notself;
		506	} else {
		507	EV::loop EV::LOOP_ONESHOT;
357	}	508	}
		509	}
358		510
359	$time = Event::time - $time;	511	my $time = EV::time - $time;
360		512
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	513	$TICK_START += $time; # do not account sync jobs to server load
365		514
366	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
367	} else {	516	} else {
368	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
369		518
…		…
389	$EXT_CORO{$coro+0} = $coro;	538	$EXT_CORO{$coro+0} = $coro;
390		539
391	$coro	540	$coro
392	}	541	}
393		542
394	sub write_runtime {	543	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		544
397	# first touch the runtime file to show we are still running:	545	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	546	process, returning the results. Everything must be serialisable with
		547	Coro::Storable. May, of course, block. Note that the executed sub may
		548	never block itself or use any form of event handling.
399		549
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	550	=cut
401	utime undef, undef, $fh;	551
		552	sub fork_call(&@) {
		553	my ($cb, @args) = @_;
		554
		555	# we seemingly have to make a local copy of the whole thing,
		556	# otherwise perl prematurely frees the stuff :/
		557	# TODO: investigate and fix (likely this will be rather laborious)
		558
		559	my @res = Coro::Util::fork_eval {
		560	reset_signals;
		561	&$cb
		562	}, @args;
		563
		564	wantarray ? @res : $res[-1]
		565	}
		566
		567	=item $coin = coin_from_name $name
		568
		569	=cut
		570
		571	our %coin_alias = (
		572	"silver" => "silvercoin",
		573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
		587
		588	sub coin_from_name($) {
		589	$coin_alias{$_[0]}
		590	? cf::arch::find $coin_alias{$_[0]}
		591	: undef
		592	}
		593
		594	=item $value = cf::db_get $family => $key
		595
		596	Returns a single value from the environment database.
		597
		598	=item cf::db_put $family => $key => $value
		599
		600	Stores the given C<$value> in the family. It can currently store binary
		601	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		602
		603	=item $db = cf::db_table "name"
		604
		605	Create and/or open a new database table. The string must not be "db" and must be unique
		606	within each server.
		607
		608	=cut
		609
		610	sub db_table($) {
		611	my ($name) = @_;
		612	my $db = BDB::db_create $DB_ENV;
		613
		614	eval {
		615	$db->set_flags (BDB::CHKSUM);
		616
		617	utf8::encode $name;
		618	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		619	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		620	cf::cleanup "db_open(db): $!" if $!;
402	}	621	};
		622	cf::cleanup "db_open(db): $@" if $@;
403		623
404	my $guard = cf::lock_acquire "write_runtime";	624	$db
		625	}
405		626
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	627	our $DB;
407	or return;
408		628
409	my $value = $cf::RUNTIME + 90 + 10;	629	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	630	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	631	$DB ||= db_table "db";
		632	};
		633	}
412		634
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	635	sub db_get($$) {
414	and return;	636	my $key = "$_[0]/$_[1]";
415		637
416	# always fsync - this file is important	638	cf::sync_job {
417	aio_fsync $fh	639	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		640
420	# touch it again to show we are up-to-date	641	$! ? ()
421	utime undef, undef, $fh;	642	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	643	}
		644	}
		645
		646	sub db_put($$$) {
		647	BDB::dbreq_pri 4;
		648	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		649	}
		650
		651	=item cf::cache $id => [$paths...], $processversion => $process
		652
		653	Generic caching function that returns the value of the resource $id,
		654	caching and regenerating as required.
		655
		656	This function can block.
		657
		658	=cut
		659
		660	sub cache {
		661	my ($id, $src, $processversion, $process) = @_;
		662
		663	my $meta =
		664	join "\x00",
		665	$processversion,
		666	map {
		667	aio_stat $_
		668	and Carp::croak "$_: $!";
		669
		670	($_, (stat _)[7,9])
		671	} @$src;
		672
		673	my $dbmeta = db_get cache => "$id/meta";
		674	if ($dbmeta ne $meta) {
		675	# changed, we may need to process
		676
		677	my @data;
		678	my $md5;
		679
		680	for (0 .. $#$src) {
		681	0 <= aio_load $src->[$_], $data[$_]
		682	or Carp::croak "$src->[$_]: $!";
		683	}
		684
		685	# if processing is expensive, check
		686	# checksum first
		687	if (1) {
		688	$md5 =
		689	join "\x00",
		690	$processversion,
		691	map {
		692	cf::cede_to_tick;
		693	($src->[$_], Digest::MD5::md5_hex $data[$_])
		694	} 0.. $#$src;
		695
		696
		697	my $dbmd5 = db_get cache => "$id/md5";
		698	if ($dbmd5 eq $md5) {
		699	db_put cache => "$id/meta", $meta;
		700
		701	return db_get cache => "$id/data";
		702	}
		703	}
		704
		705	my $t1 = Time::HiRes::time;
		706	my $data = $process->(\@data);
		707	my $t2 = Time::HiRes::time;
		708
		709	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		710
		711	db_put cache => "$id/data", $data;
		712	db_put cache => "$id/md5" , $md5;
		713	db_put cache => "$id/meta", $meta;
		714
		715	return $data;
		716	}
		717
		718	db_get cache => "$id/data"
432	}	719	}
433		720
434	=item cf::datalog type => key => value, ...	721	=item cf::datalog type => key => value, ...
435		722
436	Log a datalog packet of the given type with the given key-value pairs.	723	Log a datalog packet of the given type with the given key-value pairs.
…		…
448		735
449	#############################################################################	736	#############################################################################
450		737
451	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
452		739
453	Many objects in crossfire are so-called attachable objects. That means you can	740	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")	741	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
456		743
457	In the following description, CLASS can be any of C<global>, C<object>	744	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	745	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	746	Deliantra).
460		747
461	=over 4	748	=over 4
462		749
463	=item $attachable->attach ($attachment, key => $value...)	750	=item $attachable->attach ($attachment, key => $value...)
464		751
…		…
508	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
509		796
510	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
512		799
513	Some classes such as crossfire maps and objects can specify attachments	800	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.	801	that are attached at load/instantiate time, thus the need for a name.
515		802
516	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
517		804
518	=over 4	805	=over 4
…		…
666	_attach $registry, $klass, @attach;	953	_attach $registry, $klass, @attach;
667	}	954	}
668		955
669	$obj->{$name} = \%arg;	956	$obj->{$name} = \%arg;
670	} else {	957	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	958	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	959	}
673		960
674	$obj->{_attachment}{$name} = undef;	961	$obj->{_attachment}{$name} = undef;
675	}	962	}
676		963
…		…
716	";	1003	";
717	die if $@;	1004	die if $@;
718	}	1005	}
719		1006
720	our $override;	1007	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1008	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		1009
723	sub override {	1010	sub override {
724	$override = 1;	1011	$override = 1;
725	@invoke_results = ();	1012	@INVOKE_RESULTS = (@_);
726	}	1013	}
727		1014
728	sub do_invoke {	1015	sub do_invoke {
729	my $event = shift;	1016	my $event = shift;
730	my $callbacks = shift;	1017	my $callbacks = shift;
731		1018
732	@invoke_results = ();	1019	@INVOKE_RESULTS = ();
733		1020
734	local $override;	1021	local $override;
735		1022
736	for (@$callbacks) {	1023	for (@$callbacks) {
737	eval { &{$_->[1]} };	1024	eval { &{$_->[1]} };
…		…
746	}	1033	}
747		1034
748	0	1035	0
749	}	1036	}
750		1037
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1039
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1040	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1041
755	Generate an object-specific event with the given arguments.	1042	Generate an object-specific event with the given arguments.
756		1043
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1044	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	1045	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1046	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1047
761	=back	1048	=back
762		1049
763	=cut	1050	=cut
764		1051
765	#############################################################################	1052	#############################################################################
766	# object support	1053	# object support
		1054
		1055	sub _object_equal($$);
		1056	sub _object_equal($$) {
		1057	my ($a, $b) = @_;
		1058
		1059	return 0 unless (ref $a) eq (ref $b);
		1060
		1061	if ("HASH" eq ref $a) {
		1062	my @ka = keys %$a;
		1063	my @kb = keys %$b;
		1064
		1065	return 0 if @ka != @kb;
		1066
		1067	for (0 .. $#ka) {
		1068	return 0 unless $ka[$_] eq $kb[$_];
		1069	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1070	}
		1071
		1072	} elsif ("ARRAY" eq ref $a) {
		1073
		1074	return 0 if @$a != @$b;
		1075
		1076	for (0 .. $#$a) {
		1077	return 0 unless _object_equal $a->[$_], $b->[$_];
		1078	}
		1079
		1080	} elsif ($a ne $b) {
		1081	return 0;
		1082	}
		1083
		1084	1
		1085	}
		1086
		1087	our $SLOW_MERGES;#d#
		1088	sub _can_merge {
		1089	my ($ob1, $ob2) = @_;
		1090
		1091	++$SLOW_MERGES;#d#
		1092
		1093	# we do the slow way here
		1094	return _object_equal $ob1, $ob2
		1095	}
767		1096
768	sub reattach {	1097	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1099	my ($obj) = @_;
771		1100
		1101	# no longer needed after getting rid of delete_package?
772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1102	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773		1103
774	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
775		1105
776	@$registry = ();	1106	@$registry = ();
777		1107
…		…
792	cf::attachable->attach (	1122	cf::attachable->attach (
793	prio => -1000000,	1123	prio => -1000000,
794	on_instantiate => sub {	1124	on_instantiate => sub {
795	my ($obj, $data) = @_;	1125	my ($obj, $data) = @_;
796		1126
797	$data = from_json $data;	1127	$data = decode_json $data;
798		1128
799	for (@$data) {	1129	for (@$data) {
800	my ($name, $args) = @$_;	1130	my ($name, $args) = @$_;
801		1131
802	$obj->attach ($name, %{$args || {} });	1132	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1148	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1149	my ($filename, $rdata, $objs) = @_;
820		1150
821	sync_job {	1151	sync_job {
822	if (length $$rdata) {	1152	if (length $$rdata) {
		1153	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
825		1156
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1160	if ($cf::USE_FSYNC) {
		1161	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1162	aio_fsync $fh;
		1163	}
830	close $fh;	1164	aio_close $fh;
831		1165
832	if (@$objs) {	1166	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1167	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1171	if ($cf::USE_FSYNC) {
		1172	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1173	aio_fsync $fh;
		1174	}
838	close $fh;	1175	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
840	}	1177	}
841	} else {	1178	} else {
842	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
843	}	1180	}
844		1181
845	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1186	} else {
847	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
848	}	1188	}
849	} else {	1189	} else {
850	aio_unlink $filename;	1190	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
852	}	1192	}
853	}	1193	};
854	}	1194	}
855		1195
856	sub object_freezer_as_string {	1196	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1197	my ($rdata, $objs) = @_;
858		1198
…		…
870	or return;	1210	or return;
871		1211
872	unless (aio_stat "$filename.pst") {	1212	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1213	(aio_load "$filename.pst", $av) >= 0
874	or return;	1214	or return;
		1215
875	$av = eval { (Storable::thaw $av)->{objs} };	1216	my $st = eval { Coro::Storable::thaw $av };
		1217	$av = $st->{objs};
876	}	1218	}
877		1219
		1220	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1221	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1222	$decname, length $data, scalar @{$av || []};
		1223
880	return ($data, $av);	1224	($data, $av)
881	}	1225	}
		1226
		1227	=head2 COMMAND CALLBACKS
		1228
		1229	=over 4
		1230
		1231	=cut
882		1232
883	#############################################################################	1233	#############################################################################
884	# command handling &c	1234	# command handling &c
885		1235
886	=item cf::register_command $name => \&callback($ob,$args);	1236	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1249	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1250	}
901		1251
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1252	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1253
904	Register a callbackf ro execution when the client sends an extcmd packet.	1254	Register a callback for execution when the client sends an (synchronous)
		1255	extcmd packet. Ext commands will be processed in the order they are
		1256	received by the server, like other user commands. The first argument is
		1257	the logged-in player. Ext commands can only be processed after a player
		1258	has logged in successfully.
905		1259
906	If the callback returns something, it is sent back as if reply was being	1260	If the callback returns something, it is sent back as if reply was being
907	called.	1261	called.
908		1262
		1263	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1264
		1265	Register a callback for execution when the client sends an (asynchronous)
		1266	exticmd packet. Exti commands are processed by the server as soon as they
		1267	are received, i.e. out of order w.r.t. other commands. The first argument
		1268	is a client socket. Exti commands can be received anytime, even before
		1269	log-in.
		1270
		1271	If the callback returns something, it is sent back as if reply was being
		1272	called.
		1273
909	=cut	1274	=cut
910		1275
911	sub register_extcmd {	1276	sub register_extcmd {
912	my ($name, $cb) = @_;	1277	my ($name, $cb) = @_;
913		1278
914	$EXTCMD{$name} = $cb;	1279	$EXTCMD{$name} = $cb;
915	}	1280	}
		1281
		1282	sub register_exticmd {
		1283	my ($name, $cb) = @_;
		1284
		1285	$EXTICMD{$name} = $cb;
		1286	}
		1287
		1288	use File::Glob ();
916		1289
917	cf::player->attach (	1290	cf::player->attach (
918	on_command => sub {	1291	on_command => sub {
919	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
920		1293
…		…
928	cf::override;	1301	cf::override;
929	},	1302	},
930	on_extcmd => sub {	1303	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
932		1305
933	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1307
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
941	} else {	1323	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1325	}
944		1326
945	cf::override;	1327	cf::override;
946	},	1328	},
947	);	1329	);
948		1330
		1331	# "readahead" all extensions
949	sub load_extension {	1332	sub cache_extensions {
950	my ($path) = @_;	1333	my $grp = IO::AIO::aio_group;
951		1334
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1336	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1338	}
977	die $@;
978	}	1339	};
979		1340
980	push @EXTS, $pkg;	1341	$grp
981	}	1342	}
982		1343
983	sub load_extensions {	1344	sub load_extensions {
		1345	cf::sync_job {
		1346	my %todo;
		1347
984	for my $ext (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1349	next unless -r $path;
986	eval {	1350
987	load_extension $ext;	1351	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1352	my $base = $1;
		1353	my $pkg = $1;
		1354	$pkg =~ s/[^[:word:]]/_/g;
		1355	$pkg = "ext::$pkg";
		1356
		1357	open my $fh, "<:utf8", $path
		1358	or die "$path: $!";
		1359
		1360	my $source = do { local $/; <$fh> };
		1361
		1362	my %ext = (
		1363	path => $path,
		1364	base => $base,
		1365	pkg => $pkg,
		1366	);
		1367
		1368	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1369	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1370
		1371	$ext{source} =
		1372	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1373	. "#line 1 \"$path\"\n{\n"
		1374	. $source
		1375	. "\n};\n1";
		1376
		1377	$todo{$base} = \%ext;
		1378	}
		1379
		1380	my %done;
		1381	while (%todo) {
		1382	my $progress;
		1383
		1384	while (my ($k, $v) = each %todo) {
		1385	for (split /,\s*/, $v->{meta}{depends}) {
		1386	goto skip
		1387	unless exists $done{$_};
		1388	}
		1389
		1390	warn "... loading '$k' into '$v->{pkg}'\n";
		1391
		1392	unless (eval $v->{source}) {
		1393	my $msg = $@ ? "$v->{path}: $@\n"
		1394	: "$v->{base}: extension inactive.\n";
		1395
		1396	if (exists $v->{meta}{mandatory}) {
		1397	warn $msg;
		1398	cf::cleanup "mandatory extension failed to load, exiting.";
		1399	}
		1400
		1401	warn $msg;
		1402	}
		1403
		1404	$done{$k} = delete $todo{$k};
		1405	push @EXTS, $v->{pkg};
		1406	$progress = 1;
988	1	1407	}
989	} or warn "$ext not loaded: $@";	1408
		1409	skip:
		1410	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1411	unless $progress;
		1412	}
990	}	1413	};
991	}	1414	}
992		1415
993	#############################################################################	1416	#############################################################################
994		1417
		1418	=back
		1419
995	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
996		1421
997	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
998		1423
999	=cut	1424	=cut
1000		1425
1001	package cf::player;	1426	package cf::player;
1002		1427
1003	use Coro::AIO;	1428	use Coro::AIO;
1004		1429
1005	=head3 cf::player	1430	=head3 cf::player
1006		1431
1007	=over 4	1432	=over 4
		1433
		1434	=item cf::player::num_playing
		1435
		1436	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1437
		1438	=cut
		1439
		1440	sub num_playing {
		1441	scalar grep
		1442	$_->ob->map
		1443	&& !$_->hidden
		1444	&& !$_->ob->flag (cf::FLAG_WIZ),
		1445	cf::player::list
		1446	}
1008		1447
1009	=item cf::player::find $login	1448	=item cf::player::find $login
1010		1449
1011	Returns the given player object, loading it if necessary (might block).	1450	Returns the given player object, loading it if necessary (might block).
1012		1451
…		…
1031		1470
1032	sub exists($) {	1471	sub exists($) {
1033	my ($login) = @_;	1472	my ($login) = @_;
1034		1473
1035	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
1037	}	1476	}
1038		1477
1039	sub find($) {	1478	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1480	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1487	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1488	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1489	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1490	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1491
1053	my $pl = load_pl path $login	1492	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1493	or return;
		1494
		1495	my $pl = cf::player::load_pl $f
		1496	or return;
		1497
		1498	local $cf::PLAYER_LOADING{$login} = $pl;
		1499	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
1056	}	1501	}
1057	}	1502	}
1058	}	1503	}
1059		1504
…		…
1068	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1069		1514
1070	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
1072		1517
		1518	cf::get_slot 0.01;
		1519
1073	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1074	Coro::cede;	1521	cf::cede_to_tick;
1075	}	1522	}
1076		1523
1077	sub new($) {	1524	sub new($) {
1078	my ($login) = @_;	1525	my ($login) = @_;
1079		1526
…		…
1085	$cf::PLAYER{$login} = $self;	1532	$cf::PLAYER{$login} = $self;
1086		1533
1087	$self	1534	$self
1088	}	1535	}
1089		1536
		1537	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1538
		1539	=cut
		1540
		1541	sub send_msg {
		1542	my $ns = shift->ns
		1543	or return;
		1544	$ns->send_msg (@_);
		1545	}
		1546
1090	=item $pl->quit_character	1547	=item $pl->quit_character
1091		1548
1092	Nukes the player without looking back. If logged in, the connection will	1549	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1550	be destroyed. May block for a long time.
1094		1551
…		…
1098	my ($pl) = @_;	1555	my ($pl) = @_;
1099		1556
1100	my $name = $pl->ob->name;	1557	my $name = $pl->ob->name;
1101		1558
1102	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1103	$pl->password ("*"); # this should lock out the player until we nuked the dir	1560	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1104		1561
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1109		1568
1110	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1606	or return [];
1148		1607
1149	my @logins;	1608	my @logins;
1150		1609
1151	for my $login (@$dirs) {	1610	for my $login (@$dirs) {
		1611	my $path = path $login;
		1612
		1613	# a .pst is a dead give-away for a valid player
		1614	# if no pst file found, open and chekc for blocked users
		1615	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1619	}
1155		1620
1156	utf8::decode $login;	1621	utf8::decode $login;
1157	push @logins, $login;	1622	push @logins, $login;
1158	}	1623	}
1159		1624
…		…
1186	}	1651	}
1187		1652
1188	\@paths	1653	\@paths
1189	}	1654	}
1190		1655
		1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1657
		1658	Expand deliantra pod fragments into protocol xml.
		1659
1191	=item $player->ext_reply ($msgid, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1192		1661
1193	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1194		1663
1195	=cut	1664	=cut
1196		1665
1197	sub ext_reply($$%) {	1666	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1199		1668
1200	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1670	}
1204		1671
1205	=item $player->ext_event ($type, %msg)	1672	=item $player->ext_msg ($type, @msg)
1206		1673
1207	Sends an ext event to the client.	1674	Sends an ext event to the client.
1208		1675
1209	=cut	1676	=cut
1210		1677
1211	sub ext_event($$%) {	1678	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1679	my ($self, $type, @msg) = @_;
1213		1680
1214	$self->ns->ext_event ($type, %msg);	1681	$self->ns->ext_msg ($type, @msg);
1215	}	1682	}
1216		1683
1217	=head3 cf::region	1684	=head3 cf::region
1218		1685
1219	=over 4	1686	=over 4
…		…
1222		1689
1223	package cf::region;	1690	package cf::region;
1224		1691
1225	=item cf::region::find_by_path $path	1692	=item cf::region::find_by_path $path
1226		1693
1227	Tries to decuce the probable region for a map knowing only its path.	1694	Tries to decuce the likely region for a map knowing only its path.
1228		1695
1229	=cut	1696	=cut
1230		1697
1231	sub find_by_path($) {	1698	sub find_by_path($) {
1232	my ($path) = @_;	1699	my ($path) = @_;
1233		1700
1234	my ($match, $specificity);	1701	my ($match, $specificity);
1235		1702
1236	for my $region (list) {	1703	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1704	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1705	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1706	if $region->specificity > $specificity;
1240	}	1707	}
1241	}	1708	}
1242		1709
…		…
1263	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1265		1732
1266	sub generate_random_map {	1733	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1734	my ($self, $rmp) = @_;
		1735
		1736	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1737
1268	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1739	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1306	my ($self, $merge) = @_;	1776	my ($self, $merge) = @_;
1307		1777
1308	# we have to keep some variables in memory intact	1778	# we have to keep some variables in memory intact
1309	local $self->{path};	1779	local $self->{path};
1310	local $self->{load_path};	1780	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1781
1314	$self->SUPER::thawer_merge ($merge);	1782	$self->SUPER::thawer_merge ($merge);
1315	}	1783	}
1316		1784
1317	sub normalise {	1785	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1832	$self->init; # pass $1 etc.
1365	return $self;	1833	return $self;
1366	}	1834	}
1367	}	1835	}
1368		1836
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1837	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1838	()
1371	}	1839	}
1372		1840
1373	sub init {	1841	sub init {
1374	my ($self) = @_;	1842	my ($self) = @_;
…		…
1396		1864
1397	# the temporary/swap location	1865	# the temporary/swap location
1398	sub save_path {	1866	sub save_path {
1399	my ($self) = @_;	1867	my ($self) = @_;
1400		1868
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1870	"$TMPDIR/$path.map"
1403	}	1871	}
1404		1872
1405	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1406	sub uniq_path {	1874	sub uniq_path {
1407	my ($self) = @_;	1875	my ($self) = @_;
1408		1876
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1878	"$UNIQUEDIR/$path"
1411	}	1879	}
1412		1880
1413	# and all this just because we cannot iterate over	1881	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	1882	my ($self) = @_;
1417		1883
1418	$_->change_map_light ($change)	1884	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	1885
		1886	$self->do_decay_objects;
1420	}	1887	}
1421		1888
1422	sub unlink_save {	1889	sub unlink_save {
1423	my ($self) = @_;	1890	my ($self) = @_;
1424		1891
…		…
1429		1896
1430	sub load_header_from($) {	1897	sub load_header_from($) {
1431	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1432		1899
1433	utf8::encode $path;	1900	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1439		1909
1440	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1441		1911
1442	1	1912	1
1443	}	1913	}
…		…
1482	$self->load_header_orig	1952	$self->load_header_orig
1483	or return;	1953	or return;
1484	$self->prepare_orig;	1954	$self->prepare_orig;
1485	}	1955	}
1486		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
1487	$self->default_region (cf::region::find_by_path $self->{path})	1960	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1961	unless $self->default_region;
1489		1962
1490	1	1963	1
1491	}	1964	}
…		…
1494	sub find {	1967	sub find {
1495	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1496		1969
1497	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1498		1971
		1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1500		1974
1501	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1504	or return;	1977	or return;
1505		1978
1506	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1507		1980
1508	$map->load_header	1981	$map->load_header
1509	or return;	1982	or return;
1510		1983
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
		1988	undef $guard1;
1514	$map->reset;	1989	$map->reset;
1515	undef $guard;
1516	return find $path;	1990	return find $path;
1517	}	1991	}
1518		1992
1519	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
1520	}	1994	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	2003	local $self->{deny_reset} = 1; # loading can take a long time
1530		2004
1531	my $path = $self->{path};	2005	my $path = $self->{path};
1532		2006
1533	{	2007	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2008	my $guard = cf::lock_acquire "map_data:$path";
1535		2009
		2010	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2011	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2012
1538	$self->in_memory (cf::MAP_LOADING);	2013	$self->in_memory (cf::MAP_LOADING);
1539		2014
1540	$self->alloc;	2015	$self->alloc;
1541		2016
1542	$self->pre_load;	2017	$self->pre_load;
1543	Coro::cede;	2018	cf::cede_to_tick;
1544		2019
		2020	my $f = new_from_file cf::object::thawer $self->{load_path};
		2021	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2022	$self->_load_objects ($f)
1546	or return;	2023	or return;
1547		2024
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
1549	if delete $self->{load_original};	2026	if delete $self->{load_original};
1550		2027
1551	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2029	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2030	unless (aio_stat $uniq) {
		2031	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2032	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2033	$self->_load_objects ($f);
		2034	$f->resolve_delayed_derefs;
		2035	}
1556	}	2036	}
1557	}	2037	}
1558		2038
1559	Coro::cede;	2039	$f->resolve_delayed_derefs;
		2040
		2041	cf::cede_to_tick;
1560	# now do the right thing for maps	2042	# now do the right thing for maps
1561	$self->link_multipart_objects;	2043	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2044	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2045	unless $self->difficulty;
1564	Coro::cede;	2046	cf::cede_to_tick;
1565		2047
1566	unless ($self->{deny_activate}) {	2048	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2049	$self->decay_objects;
1568	$self->fix_auto_apply;	2050	$self->fix_auto_apply;
1569	$self->update_buttons;	2051	$self->update_buttons;
1570	Coro::cede;	2052	cf::cede_to_tick;
1571	$self->set_darkness_map;
1572	Coro::cede;
1573	$self->activate;	2053	$self->activate;
1574	}	2054	}
1575		2055
		2056	$self->{last_save} = $cf::RUNTIME;
		2057	$self->last_access ($cf::RUNTIME);
		2058
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2059	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2060	}
1578		2061
1579	$self->post_load;	2062	$self->post_load;
1580	}	2063	}
1581		2064
…		…
1583	my ($self, $ob) = @_;	2066	my ($self, $ob) = @_;
1584		2067
1585	return find "~" . $ob->name . "/" . $self->{path}	2068	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2069	if $self->per_player;
1587		2070
		2071	# return find "?party/" . $ob->name . "/" . $self->{path}
		2072	# if $self->per_party;
		2073
1588	$self	2074	$self
1589	}	2075	}
1590		2076
1591	# find and load all maps in the 3x3 area around a map	2077	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2078	sub load_neighbours {
1593	my ($map) = @_;	2079	my ($map) = @_;
1594		2080
1595	my @diag; # diagonal neighbours	2081	my @neigh; # diagonal neighbours
1596		2082
1597	for (0 .. 3) {	2083	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2084	my $neigh = $map->tile_path ($_)
1599	or next;	2085	or next;
1600	$neigh = find $neigh, $map	2086	$neigh = find $neigh, $map
1601	or next;	2087	or next;
1602	$neigh->load;	2088	$neigh->load;
1603		2089
		2090	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2091	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2092	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2093	}
1607		2094
1608	for (@diag) {	2095	for (grep defined $_->[0], @neigh) {
		2096	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2097	my $neigh = find $path, $origin
1610	or next;	2098	or next;
1611	$neigh->load;	2099	$neigh->load;
1612	}	2100	}
1613	}	2101	}
1614		2102
…		…
1619	}	2107	}
1620		2108
1621	sub do_load_sync {	2109	sub do_load_sync {
1622	my ($map) = @_;	2110	my ($map) = @_;
1623		2111
		2112	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2113	if $Coro::current == $Coro::main;
		2114
1624	cf::sync_job { $map->load };	2115	cf::sync_job { $map->load };
1625	}	2116	}
1626		2117
1627	our %MAP_PREFETCH;	2118	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2119	our $MAP_PREFETCHER = undef;
1629		2120
1630	sub find_async {	2121	sub find_async {
1631	my ($path, $origin) = @_;	2122	my ($path, $origin, $load) = @_;
1632		2123
1633	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
1634		2125
1635	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2128	}
1638		2129
1639	undef $MAP_PREFETCH{$path};	2130	$MAP_PREFETCH{$path} |= $load;
		2131
1640	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
		2133	$Coro::current->{desc} = "map prefetcher";
		2134
1641	while (%MAP_PREFETCH) {	2135	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2136	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2137	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2138	$map->load if $v;
		2139	}
1646		2140
1647	delete $MAP_PREFETCH{$path};	2141	delete $MAP_PREFETCH{$k};
1648	}	2142	}
1649	}	2143	}
1650	undef $MAP_PREFETCHER;	2144	undef $MAP_PREFETCHER;
1651	};	2145	};
1652	$MAP_PREFETCHER->prio (6);	2146	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2149	}
1656		2150
1657	sub save {	2151	sub save {
1658	my ($self) = @_;	2152	my ($self) = @_;
1659		2153
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2154	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2155
1662	$self->{last_save} = $cf::RUNTIME;	2156	$self->{last_save} = $cf::RUNTIME;
1663		2157
1664	return unless $self->dirty;	2158	return unless $self->dirty;
1665		2159
…		…
1671	return if $self->{deny_save};	2165	return if $self->{deny_save};
1672		2166
1673	local $self->{last_access} = $self->last_access;#d#	2167	local $self->{last_access} = $self->last_access;#d#
1674		2168
1675	cf::async {	2169	cf::async {
		2170	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
1677	};	2172	};
		2173
		2174	cf::get_slot 0.02;
1678		2175
1679	if ($uniq) {	2176	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2179	} else {
…		…
1688	my ($self) = @_;	2185	my ($self) = @_;
1689		2186
1690	# save first because save cedes	2187	# save first because save cedes
1691	$self->save;	2188	$self->save;
1692		2189
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2191
1695	return if $self->players;	2192	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
1697	return if $self->{deny_save};	2194	return if $self->{deny_save};
1698		2195
		2196	$self->in_memory (cf::MAP_SWAPPED);
		2197
		2198	$self->deactivate;
		2199	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2200	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2201	}
1702		2202
1703	sub reset_at {	2203	sub reset_at {
1704	my ($self) = @_;	2204	my ($self) = @_;
1705		2205
1706	# TODO: safety, remove and allow resettable per-player maps	2206	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2207	return 1e99 if $self->{deny_reset};
1709		2208
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2209	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2210	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2211
…		…
1723	my ($self) = @_;	2222	my ($self) = @_;
1724		2223
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2225
1727	return if $self->players;	2226	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2227
1730	warn "resetting map ", $self->path;#d#	2228	warn "resetting map ", $self->path;
1731		2229
1732	$self->in_memory (cf::MAP_SWAPPED);	2230	$self->in_memory (cf::MAP_SWAPPED);
1733		2231
1734	# need to save uniques path	2232	# need to save uniques path
1735	unless ($self->{deny_save}) {	2233	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2237	if $uniq;
1740	}	2238	}
1741		2239
1742	delete $cf::MAP{$self->path};	2240	delete $cf::MAP{$self->path};
1743		2241
		2242	$self->deactivate;
		2243	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2244	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2245
1748	$self->unlink_save;	2246	$self->unlink_save;
1749	$self->destroy;	2247	$self->destroy;
1750	}	2248	}
1751		2249
1752	my $nuke_counter = "aaaa";	2250	my $nuke_counter = "aaaa";
1753		2251
1754	sub nuke {	2252	sub nuke {
1755	my ($self) = @_;	2253	my ($self) = @_;
1756		2254
		2255	{
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
1757	delete $cf::MAP{$self->path};	2258	delete $cf::MAP{$self->path};
1758		2259
1759	$self->unlink_save;	2260	$self->unlink_save;
1760		2261
1761	bless $self, "cf::map";	2262	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2263	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2264	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2265	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2266	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2267
1767	$cf::MAP{$self->path} = $self;	2268	$cf::MAP{$self->path} = $self;
		2269	}
1768		2270
1769	$self->reset; # polite request, might not happen	2271	$self->reset; # polite request, might not happen
		2272	}
		2273
		2274	=item $maps = cf::map::tmp_maps
		2275
		2276	Returns an arrayref with all map paths of currently instantiated and saved
		2277	maps. May block.
		2278
		2279	=cut
		2280
		2281	sub tmp_maps() {
		2282	[
		2283	map {
		2284	utf8::decode $_;
		2285	/\.map$/
		2286	? normalise $_
		2287	: ()
		2288	} @{ aio_readdir $TMPDIR or [] }
		2289	]
		2290	}
		2291
		2292	=item $maps = cf::map::random_maps
		2293
		2294	Returns an arrayref with all map paths of currently instantiated and saved
		2295	random maps. May block.
		2296
		2297	=cut
		2298
		2299	sub random_maps() {
		2300	[
		2301	map {
		2302	utf8::decode $_;
		2303	/\.map$/
		2304	? normalise "?random/$_"
		2305	: ()
		2306	} @{ aio_readdir $RANDOMDIR or [] }
		2307	]
1770	}	2308	}
1771		2309
1772	=item cf::map::unique_maps	2310	=item cf::map::unique_maps
1773		2311
1774	Returns an arrayref of paths of all shared maps that have	2312	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2313	instantiated unique items. May block.
1776		2314
1777	=cut	2315	=cut
1778		2316
1779	sub unique_maps() {	2317	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2318	[
1781	or return;	2319	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2320	utf8::decode $_;
1787	next if /\.pst$/;	2321	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2323	? ()
1790	push @paths, cf::map::normalise $_;	2324	: normalise $_
		2325	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2326	]
1792
1793	\@paths
1794	}	2327	}
1795
1796	package cf;
1797		2328
1798	=back	2329	=back
1799		2330
1800	=head3 cf::object	2331	=head3 cf::object
1801		2332
…		…
1805		2336
1806	=over 4	2337	=over 4
1807		2338
1808	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
1809		2340
1810	Returns the inventory of the object _and_ their inventories, recursively.	2341	Returns the inventory of the object I<and> their inventories, recursively,
		2342	but I<not> the object itself.
1811		2343
1812	=cut	2344	=cut
1813		2345
1814	sub inv_recursive_;	2346	sub inv_recursive_;
1815	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
1818		2350
1819	sub inv_recursive {	2351	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
1821	}	2353	}
1822		2354
		2355	=item $ref = $ob->ref
		2356
		2357	Creates and returns a persistent reference to an object that can be stored as a string.
		2358
		2359	=item $ob = cf::object::deref ($refstring)
		2360
		2361	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2362	even if the object actually exists. May block.
		2363
		2364	=cut
		2365
		2366	sub deref {
		2367	my ($ref) = @_;
		2368
		2369	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2370	my ($uuid, $name) = ($1, $2);
		2371	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2372	or return;
		2373	$pl->ob->uuid eq $uuid
		2374	or return;
		2375
		2376	$pl->ob
		2377	} else {
		2378	warn "$ref: cannot resolve object reference\n";
		2379	undef
		2380	}
		2381	}
		2382
1823	package cf;	2383	package cf;
1824		2384
1825	=back	2385	=back
1826		2386
1827	=head3 cf::object::player	2387	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2393	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2394	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
1836		2396
1837	=cut	2397	=cut
		2398
		2399	our $SAY_CHANNEL = {
		2400	id => "say",
		2401	title => "Map",
		2402	reply => "say ",
		2403	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2404	};
		2405
		2406	our $CHAT_CHANNEL = {
		2407	id => "chat",
		2408	title => "Chat",
		2409	reply => "chat ",
		2410	tooltip => "Player chat and shouts, global to the server.",
		2411	};
1838		2412
1839	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2414	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2415	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
…		…
1844		2418
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2419	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2420
1847	if ($self->{record_replies}) {	2421	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2422	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2423
1849	} else {	2424	} else {
		2425	my $pl = $self->contr;
		2426
		2427	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2428	my $dialog = $pl->{npc_dialog};
		2429	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2430
		2431	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2434	}
1852	}	2435	}
		2436	}
		2437
		2438	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2439
		2440	=cut
		2441
		2442	sub cf::object::send_msg {
		2443	my $pl = shift->contr
		2444	or return;
		2445	$pl->send_msg (@_);
1853	}	2446	}
1854		2447
1855	=item $player_object->may ("access")	2448	=item $player_object->may ("access")
1856		2449
1857	Returns wether the given player is authorized to access resource "access"	2450	Returns wether the given player is authorized to access resource "access"
…		…
1870		2463
1871	=item $player_object->enter_link	2464	=item $player_object->enter_link
1872		2465
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2466	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2467
1875	The player should be reasonably safe there for short amounts of time. You	2468	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2469	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2470	though, as the palyer cannot control the character while it is on the link
		2471	map.
1877		2472
1878	Will never block.	2473	Will never block.
1879		2474
1880	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
1881		2476
…		…
1904	$self->deactivate_recursive;	2499	$self->deactivate_recursive;
1905		2500
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2501	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2502
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2503	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2504	if $self->map && $self->map->{path} ne "{link}";
1910		2505
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2506	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2507	}
1913		2508
1914	sub cf::object::player::leave_link {	2509	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2510	my ($self, $map, $x, $y) = @_;
		2511
		2512	return unless $self->contr->active;
1916		2513
1917	my $link_pos = delete $self->{_link_pos};	2514	my $link_pos = delete $self->{_link_pos};
1918		2515
1919	unless ($map) {	2516	unless ($map) {
1920	# restore original map position	2517	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1937		2534
1938	$map->load;	2535	$map->load;
1939	$map->load_diag;	2536	$map->load_neighbours;
1940		2537
1941	return unless $self->contr->active;	2538	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2539
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2541	$self->enter_map ($map, $x, $y);
1946	}
1947		2542
1948	cf::player->attach (	2543	# only activate afterwards, to support waiting in hooks
1949	on_logout => sub {	2544	$self->activate_recursive;
1950	my ($pl) = @_;	2545	}
1951		2546
1952	# abort map switching before logout	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2548
1962	# try to abort aborted map switching on player login :)	2549	Moves the player to the given map-path and coordinates by first freezing
1963	# should happen only on crashes	2550	her, loading and preparing them map, calling the provided $check callback
1964	if ($pl->ob->{_link_pos}) {	2551	that has to return the map if sucecssful, and then unfreezes the player on
1965	$pl->ob->enter_link;	2552	the new (success) or old (failed) map position. In either case, $done will
1966	(async {	2553	be called at the end of this process.
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979		2554
1980	=item $player_object->goto ($path, $x, $y)	2555	Note that $check will be called with a potentially non-loaded map, so if
		2556	it needs a loaded map it has to call C<< ->load >>.
1981		2557
1982	=cut	2558	=cut
		2559
		2560	our $GOTOGEN;
1983		2561
1984	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
1985	my ($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;
1986		2567
1987	$self->enter_link;	2568	$self->enter_link;
1988		2569
1989	(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
1990	my $map = eval {	2592	my $map = eval {
1991	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
		2594
		2595	if ($map) {
1992	$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
1993	$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 $@;
1994	} or	2608	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2609
		2610	if ($gen == $self->{_goto_generation}) {
		2611	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
		2613	}
		2614
		2615	$done->() if $done;
1998	})->prio (1);	2616	})->prio (1);
1999	}	2617	}
2000		2618
2001	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
2002		2620
…		…
2022	}	2640	}
2023		2641
2024	sub prepare_random_map {	2642	sub prepare_random_map {
2025	my ($exit) = @_;	2643	my ($exit) = @_;
2026		2644
2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
2030	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
2031	# that depends on the exit object	2647	# that depends on the exit object
2032		2648
2033	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
2035	if ($exit->map) {	2651	if ($exit->map) {
2036	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
2037	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
2038	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
2039	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
2040	}	2658	}
2041		2659
2042	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
2043		2661
2044	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
2047		2665
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
2050	undef $fh;	2668	undef $fh;
2051	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
2052		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
2053	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
2054	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
2055	}	2677	}
2056	}	2678	}
2057		2679
2058	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
2059	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
2060		2682
2061	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
2062		2684
2063	if ($exit->slaying eq "/!") {
2064	#TODO: this should de-fi-ni-te-ly not be a sync-job
2065	# the problem is that $exit might not survive long enough
2066	# so it needs to be done right now, right here
2067	cf::sync_job { prepare_random_map $exit };
2068	}
2069
2070	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2071	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;
2073
2074	$self->enter_link;	2685	$self->enter_link;
2075		2686
2076	(async {	2687	(async {
2077	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
2078	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
2079	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
2080		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
2081	1;	2711	1
2082	}) {	2712	}) {
2083	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
2084	. "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. "
2085	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
2086	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
2087		2717
2088	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
…		…
2107		2737
2108	utf8::encode $text;	2738	utf8::encode $text;
2109	$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);
2110	}	2740	}
2111		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/statistics" => {
		2790	id => "infobox",
		2791	title => "Statistics",
		2792	reply => undef,
		2793	tooltip => "Shows your primary statistics",
		2794	},
		2795	"c/skills" => {
		2796	id => "infobox",
		2797	title => "Skills",
		2798	reply => undef,
		2799	tooltip => "Shows your experience per skill and item power",
		2800	},
		2801	"c/shopitems" => {
		2802	id => "infobox",
		2803	title => "Shop Items",
		2804	reply => undef,
		2805	tooltip => "Shows the items currently for sale in this shop",
		2806	},
		2807	"c/resistances" => {
		2808	id => "infobox",
		2809	title => "Resistances",
		2810	reply => undef,
		2811	tooltip => "Shows your resistances",
		2812	},
		2813	"c/pets" => {
		2814	id => "infobox",
		2815	title => "Pets",
		2816	reply => undef,
		2817	tooltip => "Shows information abotu your pets/a specific pet",
		2818	},
		2819	"c/perceiveself" => {
		2820	id => "infobox",
		2821	title => "Perceive Self",
		2822	reply => undef,
		2823	tooltip => "You gained detailed knowledge about yourself",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	"c/party" => {
		2838	id => "party",
		2839	title => "Party",
		2840	reply => "gsay ",
		2841	tooltip => "Messages and chat related to your party",
		2842	},
		2843	"c/death" => {
		2844	id => "death",
		2845	title => "Death",
		2846	reply => undef,
		2847	tooltip => "Reason for and more info about your most recent death",
		2848	},
		2849	"c/say" => $SAY_CHANNEL,
		2850	"c/chat" => $CHAT_CHANNEL,
		2851	);
		2852
		2853	sub cf::client::send_msg {
		2854	my ($self, $channel, $msg, $color, @extra) = @_;
		2855
		2856	$msg = $self->pl->expand_cfpod ($msg)
		2857	unless $color & cf::NDI_VERBATIM;
		2858
		2859	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2860
		2861	# check predefined channels, for the benefit of C
		2862	if ($CHANNEL{$channel}) {
		2863	$channel = $CHANNEL{$channel};
		2864
		2865	$self->ext_msg (channel_info => $channel);
		2866	$channel = $channel->{id};
		2867
		2868	} elsif (ref $channel) {
		2869	# send meta info to client, if not yet sent
		2870	unless (exists $self->{channel}{$channel->{id}}) {
		2871	$self->{channel}{$channel->{id}} = $channel;
		2872	$self->ext_msg (channel_info => $channel);
		2873	}
		2874
		2875	$channel = $channel->{id};
		2876	}
		2877
		2878	return unless @extra || length $msg;
		2879
		2880	# default colour, mask it out
		2881	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2882	if $color & cf::NDI_DEF;
		2883
		2884	my $pkt = "msg "
		2885	. $self->{json_coder}->encode (
		2886	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2887	);
		2888
		2889	# try lzf for large packets
		2890	$pkt = "lzf " . Compress::LZF::compress $pkt
		2891	if 1024 <= length $pkt and $self->{can_lzf};
		2892
		2893	# split very large packets
		2894	if (8192 < length $pkt and $self->{can_lzf}) {
		2895	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2896	$pkt = "frag";
		2897	}
		2898
		2899	$self->send_packet ($pkt);
		2900	}
		2901
2112	=item $client->ext_event ($type, %msg)	2902	=item $client->ext_msg ($type, @msg)
2113		2903
2114	Sends an exti event to the client.	2904	Sends an ext event to the client.
2115		2905
2116	=cut	2906	=cut
2117		2907
2118	sub cf::client::ext_event($$%) {	2908	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2909	my ($self, $type, @msg) = @_;
2120		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2914	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
2123	}	2935	}
2124		2936
2125	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
2126		2938
2127	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2940	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2941	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		2942
2131	Queries can fail, so check the return code. Or don't, as queries will become	2943	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	2944	become reliable at some point in the future.
2133		2945
2134	=cut	2946	=cut
2135		2947
2136	sub cf::client::query {	2948	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2949	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2957	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2958	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2959
2148	$self->send_packet ($self->{query_queue}[0][0])	2960	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2961	if @{ $self->{query_queue} } == 1;
		2962
		2963	1
2150	}	2964	}
2151		2965
2152	cf::client->attach (	2966	cf::client->attach (
		2967	on_connect => sub {
		2968	my ($ns) = @_;
		2969
		2970	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2971	},
2153	on_reply => sub {	2972	on_reply => sub {
2154	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
2155		2974
2156	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
2157	# get handled first	2976	# get handled first
…		…
2169	} else {	2988	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	2990	}
2172	}	2991	}
2173	},	2992	},
		2993	on_exticmd => sub {
		2994	my ($ns, $buf) = @_;
		2995
		2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2997
		2998	if (ref $msg) {
		2999	my ($type, $reply, @payload) =
		3000	"ARRAY" eq ref $msg
		3001	? @$msg
		3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3003
		3004	my @reply;
		3005
		3006	if (my $cb = $EXTICMD{$type}) {
		3007	@reply = $cb->($ns, @payload);
		3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
		3013	} else {
		3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3015	}
		3016
		3017	cf::override;
		3018	},
2174	);	3019	);
2175		3020
2176	=item $client->async (\&cb)	3021	=item $client->async (\&cb)
2177		3022
2178	Create a new coroutine, running the specified callback. The coroutine will	3023	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
2221		3066
2222	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
2223		3068
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3069	$safe->permit_only (Opcode::opset qw(
		3070	:base_core :base_mem :base_orig :base_math
		3071	grepstart grepwhile mapstart mapwhile
		3072	sort time
		3073	));
2225		3074
2226	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
2227		3076
2228	=pod	3077	=pod
2229		3078
2230	The following functions and methods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2231		3080
2232	cf::object contr pay_amount pay_player map	3081	cf::object
		3082	contr pay_amount pay_player map x y force_find force_add destroy
		3083	insert remove name archname title slaying race decrease split
		3084	value
		3085
2233	cf::object::player player	3086	cf::object::player
2234	cf::player peaceful	3087	player
2235	cf::map trigger	3088
		3089	cf::player
		3090	peaceful
		3091
		3092	cf::map
		3093	trigger
2236		3094
2237	=cut	3095	=cut
2238		3096
2239	for (	3097	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3098	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3099	insert remove inv nrof name archname title slaying race
		3100	decrease split destroy change_exp value msg lore send_msg)],
2241	["cf::object::player" => qw(player)],	3101	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3102	["cf::player" => qw(peaceful send_msg)],
2243	["cf::map" => qw(trigger)],	3103	["cf::map" => qw(trigger)],
2244	) {	3104	) {
2245	no strict 'refs';	3105	no strict 'refs';
2246	my ($pkg, @funs) = @$_;	3106	my ($pkg, @funs) = @$_;
2247	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3107	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2264	my ($code, %vars) = @_;	3124	my ($code, %vars) = @_;
2265		3125
2266	my $qcode = $code;	3126	my $qcode = $code;
2267	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3127	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2268	$qcode =~ s/\n/\\n/g;	3128	$qcode =~ s/\n/\\n/g;
		3129
		3130	%vars = (_dummy => 0) unless %vars;
2269		3131
2270	local $_;	3132	local $_;
2271	local @safe::cf::_safe_eval_args = values %vars;	3133	local @safe::cf::_safe_eval_args = values %vars;
2272		3134
2273	my $eval =	3135	my $eval =
…		…
2316	=back	3178	=back
2317		3179
2318	=cut	3180	=cut
2319		3181
2320	#############################################################################	3182	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	3183	# the server's init and main functions
2496		3184
2497	sub load_facedata($) {	3185	sub load_facedata($) {
2498	my ($path) = @_;	3186	my ($path) = @_;
		3187
		3188	# HACK to clear player env face cache, we need some signal framework
		3189	# for this (global event?)
		3190	%ext::player_env::MUSIC_FACE_CACHE = ();
		3191
		3192	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499		3193
2500	warn "loading facedata from $path\n";	3194	warn "loading facedata from $path\n";
2501		3195
2502	my $facedata;	3196	my $facedata;
2503	0 < aio_load $path, $facedata	3197	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3200	$facedata = Coro::Storable::thaw $facedata;
2507		3201
2508	$facedata->{version} == 2	3202	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3203	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3204
		3205	# patch in the exptable
		3206	$facedata->{resource}{"res/exp_table"} = {
		3207	type => FT_RSRC,
		3208	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3209	};
		3210	cf::cede_to_tick;
		3211
2511	{	3212	{
2512	my $faces = $facedata->{faceinfo};	3213	my $faces = $facedata->{faceinfo};
2513		3214
2514	while (my ($face, $info) = each %$faces) {	3215	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3216	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3217
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3218	cf::face::set_visibility $idx, $info->{visibility};
		3219	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3220	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3221	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	3222
		3223	cf::cede_to_tick;
2520	}	3224	}
2521		3225
2522	while (my ($face, $info) = each %$faces) {	3226	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3227	next unless $info->{smooth};
		3228
2524	my $idx = cf::face::find $face	3229	my $idx = cf::face::find $face
2525	or next;	3230	or next;
		3231
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3232	if (my $smooth = cf::face::find $info->{smooth}) {
		3233	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3234	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3235	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3236	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3237	}
2531	Coro::cede;	3238
		3239	cf::cede_to_tick;
2532	}	3240	}
2533	}	3241	}
2534		3242
2535	{	3243	{
2536	my $anims = $facedata->{animinfo};	3244	my $anims = $facedata->{animinfo};
2537		3245
2538	while (my ($anim, $info) = each %$anims) {	3246	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3247	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3248	cf::cede_to_tick;
2541	}	3249	}
2542		3250
2543	cf::anim::invalidate_all; # d'oh	3251	cf::anim::invalidate_all; # d'oh
2544	}	3252	}
2545		3253
		3254	{
		3255	# TODO: for gcfclient pleasure, we should give resources
		3256	# that gcfclient doesn't grok a >10000 face index.
		3257	my $res = $facedata->{resource};
		3258
		3259	while (my ($name, $info) = each %$res) {
		3260	if (defined $info->{type}) {
		3261	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3262	my $data;
		3263
		3264	if ($info->{type} & 1) {
		3265	# prepend meta info
		3266
		3267	my $meta = $enc->encode ({
		3268	name => $name,
		3269	%{ $info->{meta} || {} },
		3270	});
		3271
		3272	$data = pack "(w/a*)*", $meta, $info->{data};
		3273	} else {
		3274	$data = $info->{data};
		3275	}
		3276
		3277	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3278	cf::face::set_type $idx, $info->{type};
		3279	} else {
		3280	$RESOURCE{$name} = $info;
		3281	}
		3282
		3283	cf::cede_to_tick;
		3284	}
		3285	}
		3286
		3287	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3288
2546	1	3289	1
2547	}	3290	}
2548		3291
		3292	cf::global->attach (on_resource_update => sub {
		3293	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3294	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3295
		3296	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3297	my $sound = $soundconf->{compat}[$_]
		3298	or next;
		3299
		3300	my $face = cf::face::find "sound/$sound->[1]";
		3301	cf::sound::set $sound->[0] => $face;
		3302	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3303	}
		3304
		3305	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3306	my $face = cf::face::find "sound/$v";
		3307	cf::sound::set $k => $face;
		3308	}
		3309	}
		3310	});
		3311
		3312	register_exticmd fx_want => sub {
		3313	my ($ns, $want) = @_;
		3314
		3315	while (my ($k, $v) = each %$want) {
		3316	$ns->fx_want ($k, $v);
		3317	}
		3318	};
		3319
		3320	sub load_resource_file($) {
		3321	my $guard = lock_acquire "load_resource_file";
		3322
		3323	my $status = load_resource_file_ $_[0];
		3324	get_slot 0.1, 100;
		3325	cf::arch::commit_load;
		3326
		3327	$status
		3328	}
		3329
2549	sub reload_regions {	3330	sub reload_regions {
		3331	# HACK to clear player env face cache, we need some signal framework
		3332	# for this (global event?)
		3333	%ext::player_env::MUSIC_FACE_CACHE = ();
		3334
2550	load_resource_file "$MAPDIR/regions"	3335	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3336	or die "unable to load regions file\n";
		3337
		3338	for (cf::region::list) {
		3339	$_->{match} = qr/$_->{match}/
		3340	if exists $_->{match};
		3341	}
2552	}	3342	}
2553		3343
2554	sub reload_facedata {	3344	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3345	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3346	or die "unable to load facedata\n";
…		…
2567	}	3357	}
2568		3358
2569	sub reload_resources {	3359	sub reload_resources {
2570	warn "reloading resource files...\n";	3360	warn "reloading resource files...\n";
2571		3361
2572	reload_regions;
2573	reload_facedata;	3362	reload_facedata;
2574	reload_archetypes;	3363	reload_archetypes;
		3364	reload_regions;
2575	reload_treasures;	3365	reload_treasures;
2576		3366
2577	warn "finished reloading resource files\n";	3367	warn "finished reloading resource files\n";
2578	}	3368	}
2579		3369
2580	sub init {	3370	sub reload_config {
2581	reload_resources;
2582	}
2583
2584	sub cfg_load {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3371	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3372	or return;
2587		3373
2588	local $/;	3374	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3375	*CFG = YAML::Load <$fh>;
2590		3376
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3377	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2592		3378
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3379	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3380	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2600	};	3386	};
2601	warn $@ if $@;	3387	warn $@ if $@;
2602	}	3388	}
2603	}	3389	}
2604		3390
		3391	sub pidfile() {
		3392	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3393	or die "$PIDFILE: $!";
		3394	flock $fh, &Fcntl::LOCK_EX
		3395	or die "$PIDFILE: flock: $!";
		3396	$fh
		3397	}
		3398
		3399	# make sure only one server instance is running at any one time
		3400	sub atomic {
		3401	my $fh = pidfile;
		3402
		3403	my $pid = <$fh>;
		3404	kill 9, $pid if $pid > 0;
		3405
		3406	seek $fh, 0, 0;
		3407	print $fh $$;
		3408	}
		3409
		3410	sub main_loop {
		3411	warn "EV::loop starting\n";
		3412	if (1) {
		3413	EV::loop;
		3414	}
		3415	warn "EV::loop returned\n";
		3416	goto &main_loop unless $REALLY_UNLOOP;
		3417	}
		3418
2605	sub main {	3419	sub main {
		3420	cf::init_globals; # initialise logging
		3421
		3422	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3423	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3424	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3425	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3426
		3427	cf::init_experience;
		3428	cf::init_anim;
		3429	cf::init_attackmess;
		3430	cf::init_dynamic;
		3431
		3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3433
2606	# we must not ever block the main coroutine	3434	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3435	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3436	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3437	(async {
2610	Event::one_event;	3438	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3439	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3440	})->prio (Coro::PRIO_MAX);
2612	};	3441	};
2613		3442
2614	cfg_load;	3443	evthread_start IO::AIO::poll_fileno;
		3444
		3445	cf::sync_job {
		3446	reload_resources;
		3447	reload_config;
2615	db_init;	3448	db_init;
		3449
		3450	cf::load_settings;
		3451	cf::load_materials;
		3452	cf::init_uuid;
		3453	cf::init_signals;
		3454	cf::init_commands;
		3455	cf::init_skills;
		3456
		3457	cf::init_beforeplay;
		3458
		3459	atomic;
		3460
2616	load_extensions;	3461	load_extensions;
2617		3462
2618	$TICK_WATCHER->start;	3463	utime time, time, $RUNTIMEFILE;
2619	Event::loop;	3464
		3465	# no (long-running) fork's whatsoever before this point(!)
		3466	use POSIX ();
		3467	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3468
		3469	(pop @POST_INIT)->(0) while @POST_INIT;
		3470	};
		3471
		3472	main_loop;
2620	}	3473	}
2621		3474
2622	#############################################################################	3475	#############################################################################
2623	# initialisation and cleanup	3476	# initialisation and cleanup
2624		3477
2625	# install some emergency cleanup handlers	3478	# install some emergency cleanup handlers
2626	BEGIN {	3479	BEGIN {
		3480	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3481	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3482	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3483	cf::cleanup "SIG$signal";
2635	},
2636	);	3484	};
		3485	}
		3486	}
		3487
		3488	sub write_runtime_sync {
		3489	# first touch the runtime file to show we are still running:
		3490	# the fsync below can take a very very long time.
		3491
		3492	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3493
		3494	my $guard = cf::lock_acquire "write_runtime";
		3495
		3496	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3497	or return;
		3498
		3499	my $value = $cf::RUNTIME + 90 + 10;
		3500	# 10 is the runtime save interval, for a monotonic clock
		3501	# 60 allows for the watchdog to kill the server.
		3502
		3503	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3504	and return;
		3505
		3506	# always fsync - this file is important
		3507	aio_fsync $fh
		3508	and return;
		3509
		3510	# touch it again to show we are up-to-date
		3511	aio_utime $fh, undef, undef;
		3512
		3513	close $fh
		3514	or return;
		3515
		3516	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3517	and return;
		3518
		3519	warn "runtime file written.\n";
		3520
2637	}	3521	1
		3522	}
		3523
		3524	our $uuid_lock;
		3525	our $uuid_skip;
		3526
		3527	sub write_uuid_sync($) {
		3528	$uuid_skip ||= $_[0];
		3529
		3530	return if $uuid_lock;
		3531	local $uuid_lock = 1;
		3532
		3533	my $uuid = "$LOCALDIR/uuid";
		3534
		3535	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3536	or return;
		3537
		3538	my $value = uuid_seq uuid_cur;
		3539
		3540	unless ($value) {
		3541	warn "cowardly refusing to write zero uuid value!\n";
		3542	return;
		3543	}
		3544
		3545	my $value = uuid_str $value + $uuid_skip;
		3546	$uuid_skip = 0;
		3547
		3548	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3549	and return;
		3550
		3551	# always fsync - this file is important
		3552	aio_fsync $fh
		3553	and return;
		3554
		3555	close $fh
		3556	or return;
		3557
		3558	aio_rename "$uuid~", $uuid
		3559	and return;
		3560
		3561	warn "uuid file written ($value).\n";
		3562
		3563	1
		3564
		3565	}
		3566
		3567	sub write_uuid($$) {
		3568	my ($skip, $sync) = @_;
		3569
		3570	$sync ? write_uuid_sync $skip
		3571	: async { write_uuid_sync $skip };
2638	}	3572	}
2639		3573
2640	sub emergency_save() {	3574	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3575	my $freeze_guard = cf::freeze_mainloop;
2642		3576
2643	warn "enter emergency perl save\n";	3577	warn "emergency_perl_save: enter\n";
2644		3578
2645	cf::sync_job {	3579	cf::sync_job {
		3580	# this is a trade-off: we want to be very quick here, so
		3581	# save all maps without fsync, and later call a global sync
		3582	# (which in turn might be very very slow)
		3583	local $USE_FSYNC = 0;
		3584
2646	# use a peculiar iteration method to avoid tripping on perl	3585	# use a peculiar iteration method to avoid tripping on perl
2647	# refcount bugs in for. also avoids problems with players	3586	# refcount bugs in for. also avoids problems with players
2648	# and maps saved/destroyed asynchronously.	3587	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3588	warn "emergency_perl_save: begin player save\n";
2650	for my $login (keys %cf::PLAYER) {	3589	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3590	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3591	$pl->valid or next;
		3592	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3593	$pl->save;
2654	}	3594	}
2655	warn "end emergency player save\n";	3595	warn "emergency_perl_save: end player save\n";
2656		3596
2657	warn "begin emergency map save\n";	3597	warn "emergency_perl_save: begin map save\n";
2658	for my $path (keys %cf::MAP) {	3598	for my $path (keys %cf::MAP) {
2659	my $map = $cf::MAP{$path} or next;	3599	my $map = $cf::MAP{$path} or next;
2660	$map->valid or next;	3600	$map->valid or next;
2661	$map->save;	3601	$map->save;
2662	}	3602	}
2663	warn "end emergency map save\n";	3603	warn "emergency_perl_save: end map save\n";
2664		3604
2665	warn "begin emergency database checkpoint\n";	3605	warn "emergency_perl_save: begin database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3606	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3607	warn "emergency_perl_save: end database checkpoint\n";
		3608
		3609	warn "emergency_perl_save: begin write uuid\n";
		3610	write_uuid_sync 1;
		3611	warn "emergency_perl_save: end write uuid\n";
2668	};	3612	};
2669		3613
		3614	warn "emergency_perl_save: starting sync()\n";
		3615	IO::AIO::aio_sync sub {
		3616	warn "emergency_perl_save: finished sync()\n";
		3617	};
		3618
2670	warn "leave emergency perl save\n";	3619	warn "emergency_perl_save: leave\n";
2671	}	3620	}
2672		3621
2673	sub post_cleanup {	3622	sub post_cleanup {
2674	my ($make_core) = @_;	3623	my ($make_core) = @_;
2675		3624
2676	warn Carp::longmess "post_cleanup backtrace"	3625	warn Carp::longmess "post_cleanup backtrace"
2677	if $make_core;	3626	if $make_core;
		3627
		3628	my $fh = pidfile;
		3629	unlink $PIDFILE if <$fh> == $$;
		3630	}
		3631
		3632	# a safer delete_package, copied from Symbol
		3633	sub clear_package($) {
		3634	my $pkg = shift;
		3635
		3636	# expand to full symbol table name if needed
		3637	unless ($pkg =~ /^main::.*::$/) {
		3638	$pkg = "main$pkg" if $pkg =~ /^::/;
		3639	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3640	$pkg .= '::' unless $pkg =~ /::$/;
		3641	}
		3642
		3643	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3644	my $stem_symtab = *{$stem}{HASH};
		3645
		3646	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3647	or return;
		3648
		3649	# clear all symbols
		3650	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3651	for my $name (keys %$leaf_symtab) {
		3652	_gv_clear *{"$pkg$name"};
		3653	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3654	}
		3655	warn "cleared package $pkg\n";#d#
2678	}	3656	}
2679		3657
2680	sub do_reload_perl() {	3658	sub do_reload_perl() {
2681	# can/must only be called in main	3659	# can/must only be called in main
2682	if ($Coro::current != $Coro::main) {	3660	if ($Coro::current != $Coro::main) {
2683	warn "can only reload from main coroutine";	3661	warn "can only reload from main coroutine";
2684	return;	3662	return;
2685	}	3663	}
2686		3664
		3665	return if $RELOAD++;
		3666
		3667	my $t1 = EV::time;
		3668
		3669	while ($RELOAD) {
2687	warn "reloading...";	3670	warn "reloading...";
2688		3671
2689	warn "entering sync_job";	3672	warn "entering sync_job";
2690		3673
2691	cf::sync_job {	3674	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark	3675	cf::write_runtime_sync; # external watchdog should not bark
2693	cf::emergency_save;	3676	cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark	3677	cf::write_runtime_sync; # external watchdog should not bark
2695		3678
2696	warn "syncing database to disk";	3679	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;	3680	BDB::db_env_txn_checkpoint $DB_ENV;
2698		3681
2699	# if anything goes wrong in here, we should simply crash as we already saved	3682	# if anything goes wrong in here, we should simply crash as we already saved
2700		3683
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705
2706	warn "flushing outstanding aio requests";	3684	warn "flushing outstanding aio requests";
2707	for (;;) {
2708	BDB::flush;
2709	IO::AIO::flush;
2710	Coro::cede;
2711	last unless IO::AIO::nreqs || BDB::nreqs;	3685	while (IO::AIO::nreqs || BDB::nreqs) {
2712	warn "iterate...";	3686	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2713	}
2714
2715	++$RELOAD;
2716
2717	warn "cancelling all extension coros";
2718	$_->cancel for values %EXT_CORO;
2719	%EXT_CORO = ();
2720
2721	warn "removing commands";
2722	%COMMAND = ();
2723
2724	warn "removing ext commands";
2725	%EXTCMD = ();
2726
2727	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";
2730
2731	if (my $cb = $pkg->can ("unload")) {
2732	eval {
2733	$cb->($pkg);
2734	1
2735	} or warn "$pkg unloaded, but with errors: $@";
2736	}	3687	}
2737		3688
2738	warn "... nuking $pkg";	3689	warn "cancelling all extension coros";
2739	Symbol::delete_package $pkg;	3690	$_->cancel for values %EXT_CORO;
2740	}	3691	%EXT_CORO = ();
2741		3692
2742	warn "unloading all perl modules loaded from $LIBDIR";	3693	warn "removing commands";
2743	while (my ($k, $v) = each %INC) {	3694	%COMMAND = ();
2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2745		3695
		3696	warn "removing ext/exti commands";
		3697	%EXTCMD = ();
		3698	%EXTICMD = ();
		3699
		3700	warn "unloading/nuking all extensions";
		3701	for my $pkg (@EXTS) {
2746	warn "... unloading $k";	3702	warn "... unloading $pkg";
2747	delete $INC{$k};
2748		3703
2749	$k =~ s/\.pm$//;
2750	$k =~ s/\//::/g;
2751
2752	if (my $cb = $k->can ("unload_module")) {	3704	if (my $cb = $pkg->can ("unload")) {
		3705	eval {
2753	$cb->();	3706	$cb->($pkg);
		3707	1
		3708	} or warn "$pkg unloaded, but with errors: $@";
		3709	}
		3710
		3711	warn "... clearing $pkg";
		3712	clear_package $pkg;
2754	}	3713	}
2755		3714
2756	Symbol::delete_package $k;	3715	warn "unloading all perl modules loaded from $LIBDIR";
		3716	while (my ($k, $v) = each %INC) {
		3717	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3718
		3719	warn "... unloading $k";
		3720	delete $INC{$k};
		3721
		3722	$k =~ s/\.pm$//;
		3723	$k =~ s/\//::/g;
		3724
		3725	if (my $cb = $k->can ("unload_module")) {
		3726	$cb->();
		3727	}
		3728
		3729	clear_package $k;
2757	}	3730	}
2758		3731
2759	warn "getting rid of safe::, as good as possible";	3732	warn "getting rid of safe::, as good as possible";
2760	Symbol::delete_package "safe::$_"	3733	clear_package "safe::$_"
2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3734	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2762		3735
2763	warn "unloading cf.pm \"a bit\"";	3736	warn "unloading cf.pm \"a bit\"";
2764	delete $INC{"cf.pm"};	3737	delete $INC{"cf.pm"};
2765	delete $INC{"cf/pod.pm"};	3738	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2766		3739
2767	# don't, removes xs symbols, too,	3740	# don't, removes xs symbols, too,
2768	# and global variables created in xs	3741	# and global variables created in xs
2769	#Symbol::delete_package __PACKAGE__;	3742	#clear_package __PACKAGE__;
2770		3743
2771	warn "unload completed, starting to reload now";	3744	warn "unload completed, starting to reload now";
2772		3745
2773	warn "reloading cf.pm";	3746	warn "reloading cf.pm";
2774	require cf;	3747	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3748	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3749
2777	warn "loading config and database again";	3750	warn "loading config and database again";
2778	cf::cfg_load;	3751	cf::reload_config;
2779		3752
2780	warn "loading extensions";	3753	warn "loading extensions";
2781	cf::load_extensions;	3754	cf::load_extensions;
2782		3755
		3756	if ($REATTACH_ON_RELOAD) {
2783	warn "reattaching attachments to objects/players";	3757	warn "reattaching attachments to objects/players";
2784	_global_reattach; # objects, sockets	3758	_global_reattach; # objects, sockets
2785	warn "reattaching attachments to maps";	3759	warn "reattaching attachments to maps";
2786	reattach $_ for values %MAP;	3760	reattach $_ for values %MAP;
2787	warn "reattaching attachments to players";	3761	warn "reattaching attachments to players";
2788	reattach $_ for values %PLAYER;	3762	reattach $_ for values %PLAYER;
		3763	}
2789		3764
		3765	warn "running post_init jobs";
		3766	(pop @POST_INIT)->(1) while @POST_INIT;
		3767
2790	warn "leaving sync_job";	3768	warn "leaving sync_job";
2791		3769
2792	1	3770	1
2793	} or do {	3771	} or do {
2794	warn $@;	3772	warn $@;
2795	warn "error while reloading, exiting.";	3773	cf::cleanup "error while reloading, exiting.";
2796	exit 1;
2797	};	3774	};
2798		3775
2799	warn "reloaded";	3776	warn "reloaded";
		3777	--$RELOAD;
		3778	}
		3779
		3780	$t1 = EV::time - $t1;
		3781	warn "reload completed in ${t1}s\n";
2800	};	3782	};
2801		3783
2802	our $RELOAD_WATCHER; # used only during reload	3784	our $RELOAD_WATCHER; # used only during reload
2803		3785
2804	sub reload_perl() {	3786	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	3787	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	3788	# coro crashes during coro_state_free->destroy here.
2807		3789
2808	$RELOAD_WATCHER ||= Event->timer (	3790	$RELOAD_WATCHER ||= cf::async {
2809	reentrant => 0,	3791	Coro::AIO::aio_wait cache_extensions;
2810	after => 0,	3792
2811	data => WF_AUTOCANCEL,	3793	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2812	cb => sub {
2813	do_reload_perl;	3794	do_reload_perl;
2814	undef $RELOAD_WATCHER;	3795	undef $RELOAD_WATCHER;
2815	},	3796	};
2816	);	3797	};
2817	}	3798	}
2818		3799
2819	register_command "reload" => sub {	3800	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3801	my ($who, $arg) = @_;
2821		3802
2822	if ($who->flag (FLAG_WIZ)) {	3803	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3804	$who->message ("reloading server.");
		3805	async {
		3806	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3807	reload_perl;
		3808	};
2825	}	3809	}
2826	};	3810	};
2827		3811
2828	unshift @INC, $LIBDIR;	3812	unshift @INC, $LIBDIR;
2829		3813
…		…
2831		3815
2832	our @WAIT_FOR_TICK;	3816	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	3817	our @WAIT_FOR_TICK_BEGIN;
2834		3818
2835	sub wait_for_tick {	3819	sub wait_for_tick {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3820	return if tick_inhibit || $Coro::current == $Coro::main;
2838		3821
2839	my $signal = new Coro::Signal;	3822	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	3823	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	3824	$signal->wait;
2842	}	3825	}
2843		3826
2844	sub wait_for_tick_begin {	3827	sub wait_for_tick_begin {
2845	return unless $TICK_WATCHER->is_active;
2846	return if $Coro::current == $Coro::main;	3828	return if tick_inhibit || $Coro::current == $Coro::main;
2847		3829
2848	my $signal = new Coro::Signal;	3830	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	3831	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	3832	$signal->wait;
2851	}	3833	}
2852		3834
2853	$TICK_WATCHER = Event->timer (	3835	sub tick {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	3836	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3837	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	3838	unless ++$bug_warning > 10;
2863	return;	3839	return;
2864	}	3840	}
2865		3841
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	3842	cf::server_tick; # one server iteration
2869		3843
2870	$RUNTIME += $TICK;
2871	$NEXT_TICK += $TICK;
2872
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3844	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3845	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	3846	Coro::async_pool {
		3847	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3848	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	3849	or warn "ERROR: unable to write runtime file: $!";
2878	};
2879	}	3850	};
		3851	}
2880		3852
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3853	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3854	$sig->send;
2886	}	3855	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3856	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3857	$sig->send;
2889	}	3858	}
2890		3859
2891	$NOW = Event::time;	3860	$LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3861	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3862
2902	_post_tick;	3863	if (0) {
2903		3864	if ($NEXT_TICK) {
2904		3865	my $jitter = $TICK_START - $NEXT_TICK;
		3866	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3867	warn "jitter $JITTER\n";#d#
		3868	}
2905	},	3869	}
2906	);	3870	}
2907		3871
2908	{	3872	{
2909	BDB::max_poll_time $TICK * 0.1;	3873	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	3874
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	3875	BDB::min_parallel 8;
2919		3876	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	3877	$AnyEvent::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		3878
2935	unless ($DB_ENV) {	3879	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	3880	$DB_ENV = BDB::db_env_create;
		3881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3882	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3883	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3884	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3885	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		3886
2938	cf::sync_job {	3887	cf::sync_job {
2939	eval {	3888	eval {
2940	BDB::db_env_open	3889	BDB::db_env_open
2941	$DB_ENV,	3890	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3892	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3893	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	3894	0666;
2946		3895
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3896	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	3897	};
2952		3898
2953	cf::cleanup "db_env_open(db): $@" if $@;	3899	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	3900	};
2955	}	3901	}
		3902
		3903	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3904	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3905	};
		3906	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3907	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3908	};
		3909	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3910	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3911	};
2956	}	3912	}
2957		3913
2958	{	3914	{
		3915	# configure IO::AIO
		3916
2959	IO::AIO::min_parallel 8;	3917	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	3918	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	3919	undef $AnyEvent::AIO::WATCHER;
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	3920	}
2972		3921
2973	my $_log_backtrace;	3922	my $_log_backtrace;
2974		3923
2975	sub _log_backtrace {	3924	sub _log_backtrace {
…		…
2978	$msg =~ s/\n//;	3927	$msg =~ s/\n//;
2979		3928
2980	# limit the # of concurrent backtraces	3929	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	3930	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	3931	++$_log_backtrace;
		3932	my $perl_bt = Carp::longmess $msg;
2983	async {	3933	async {
		3934	$Coro::current->{desc} = "abt $msg";
		3935
2984	my @bt = fork_call {	3936	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	3937	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3938	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3939	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	3940	or die "addr2line: $!";
…		…
2996	}	3948	}
2997		3949
2998	@funcs	3950	@funcs
2999	};	3951	};
3000		3952
3001	LOG llevInfo, "[ABT] $msg\n";	3953	LOG llevInfo, "[ABT] $perl_bt\n";
		3954	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3002	LOG llevInfo, "[ABT] $_\n" for @bt;	3955	LOG llevInfo, "[ABT] $_\n" for @bt;
3003	--$_log_backtrace;	3956	--$_log_backtrace;
3004	};	3957	};
3005	} else {	3958	} else {
3006	LOG llevInfo, "[ABT] $msg\n";	3959	LOG llevInfo, "[ABT] $msg\n";
3007	LOG llevInfo, "[ABT] [suppressed]\n";	3960	LOG llevInfo, "[ABT] [suppressed]\n";
3008	}	3961	}
3009	}	3962	}
3010		3963
3011	# load additional modules	3964	# load additional modules
3012	use cf::pod;	3965	require "cf/$_.pm" for @EXTRA_MODULES;
3013		3966
3014	END { cf::emergency_save }	3967	END { cf::emergency_save }
3015		3968
3016	1	3969	1
3017		3970

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