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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 1.478 by root, Thu Sep 17 01:57:31 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	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	228	my $msg = join "", @_;
176		229
177	$msg .= "\n"	230	$msg .= "\n"
178	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
179		232
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		234
182	utf8::encode $msg;
183	LOG llevError, $msg;	235	LOG llevError, $msg;
184	};	236	};
185	}	237
		238	$Coro::State::DIEHOOK = sub {
		239	return unless $^S eq 0; # "eq", not "=="
		240
		241	warn Carp::longmess $_[0];
		242
		243	if ($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	Coro::terminate
		250	};
186		251
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	252	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	253	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	254	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	255	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	256	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		257	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	258	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		259
194	# we bless all objects into (empty) derived classes to force a method lookup	260	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	261	# within the Safe compartment.
196	for my $pkg (qw(	262	for my $pkg (qw(
197	cf::global cf::attachable	263	cf::global cf::attachable
198	cf::object cf::object::player	264	cf::object cf::object::player
199	cf::client cf::player	265	cf::client cf::player
200	cf::arch cf::living	266	cf::arch cf::living
		267	cf::map cf::mapspace
201	cf::map cf::party cf::region	268	cf::party cf::region
202	)) {	269	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	270	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	271	}
206		272
207	$Event::DIED = sub {	273	$EV::DIED = sub {
208	warn "error in event callback: @_";	274	warn "error in event callback: @_";
209	};	275	};
		276
		277	#############################################################################
210		278
211	=head2 UTILITY FUNCTIONS	279	=head2 UTILITY FUNCTIONS
212		280
213	=over 4	281	=over 4
214		282
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	301	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	302	$d
235	} || "[unable to dump $_[0]: '$@']";	303	} || "[unable to dump $_[0]: '$@']";
236	}	304	}
237		305
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	306	=item $ref = cf::decode_json $json
241		307
242	Converts a JSON string into the corresponding perl data structure.	308	Converts a JSON string into the corresponding perl data structure.
243		309
244	=item $json = cf::to_json $ref	310	=item $json = cf::encode_json $ref
245		311
246	Converts a perl data structure into its JSON representation.	312	Converts a perl data structure into its JSON representation.
247		313
		314	=cut
		315
		316	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		317
		318	sub encode_json($) { $json_coder->encode ($_[0]) }
		319	sub decode_json($) { $json_coder->decode ($_[0]) }
		320
		321	=item cf::post_init { BLOCK }
		322
		323	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		324	but I<before> the server starts ticking again.
		325
		326	The cdoeblock will have a single boolean argument to indicate whether this
		327	is a reload or not.
		328
		329	=cut
		330
		331	sub post_init(&) {
		332	push @POST_INIT, shift;
		333	}
		334
248	=item cf::lock_wait $string	335	=item cf::lock_wait $string
249		336
250	Wait until the given lock is available. See cf::lock_acquire.	337	Wait until the given lock is available. See cf::lock_acquire.
251		338
252	=item my $lock = cf::lock_acquire $string	339	=item my $lock = cf::lock_acquire $string
253		340
254	Wait until the given lock is available and then acquires it and returns	341	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,	342	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	343	for example when the coroutine gets canceled), the lock is automatically
257	returned.	344	returned.
258		345
		346	Locks are *not* recursive, locking from the same coro twice results in a
		347	deadlocked coro.
		348
259	Lock names should begin with a unique identifier (for example, cf::map::find	349	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	350	uses map_find and cf::map::load uses map_load).
261		351
262	=item $locked = cf::lock_active $string	352	=item $locked = cf::lock_active $string
263		353
264	Return true if the lock is currently active, i.e. somebody has locked it.	354	Return true if the lock is currently active, i.e. somebody has locked it.
265		355
266	=cut	356	=cut
267		357
268	our %LOCK;	358	our $LOCKS = new Coro::SemaphoreSet;
269		359
270	sub lock_wait($) {	360	sub lock_wait($) {
271	my ($key) = @_;	361	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	362	}
279		363
280	sub lock_acquire($) {	364	sub lock_acquire($) {
281	my ($key) = @_;	365	$LOCKS->guard ($_[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	}	366	}
293		367
294	sub lock_active($) {	368	sub lock_active($) {
295	my ($key) = @_;	369	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	370	}
299		371
300	sub freeze_mainloop {	372	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	373	tick_inhibit_inc;
302		374
303	my $guard = Coro::guard {	375	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	376	}
		377
		378	=item cf::periodic $interval, $cb
		379
		380	Like EV::periodic, but randomly selects a starting point so that the actions
		381	get spread over timer.
		382
		383	=cut
		384
		385	sub periodic($$) {
		386	my ($interval, $cb) = @_;
		387
		388	my $start = rand List::Util::min 180, $interval;
		389
		390	EV::periodic $start, $interval, 0, $cb
		391	}
		392
		393	=item cf::get_slot $time[, $priority[, $name]]
		394
		395	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		396	This call blocks and returns only when you have at least C<$time> seconds
		397	of cpu time till the next tick. The slot is only valid till the next cede.
		398
		399	The optional C<$name> can be used to identify the job to run. It might be
		400	used for statistical purposes and should identify the same time-class.
		401
		402	Useful for short background jobs.
		403
		404	=cut
		405
		406	our @SLOT_QUEUE;
		407	our $SLOT_QUEUE;
		408
		409	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		410	$SLOT_QUEUE = Coro::async {
		411	$Coro::current->desc ("timeslot manager");
		412
		413	my $signal = new Coro::Signal;
		414
		415	while () {
		416	next_job:
		417	my $avail = cf::till_tick;
		418	if ($avail > 0.01) {
		419	for (0 .. $#SLOT_QUEUE) {
		420	if ($SLOT_QUEUE[$_][0] < $avail) {
		421	my $job = splice @SLOT_QUEUE, $_, 1, ();
		422	$job->[2]->send;
		423	Coro::cede;
		424	goto next_job;
		425	}
		426	}
		427	}
		428
		429	if (@SLOT_QUEUE) {
		430	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		431	push @cf::WAIT_FOR_TICK, $signal;
		432	$signal->wait;
		433	} else {
		434	Coro::schedule;
		435	}
305	};	436	}
306	$TICK_WATCHER->stop;	437	};
307	$guard	438
		439	sub get_slot($;$$) {
		440	return if tick_inhibit || $Coro::current == $Coro::main;
		441
		442	my ($time, $pri, $name) = @_;
		443
		444	$time = $TICK * .6 if $time > $TICK * .6;
		445	my $sig = new Coro::Signal;
		446
		447	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		448	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		449	$SLOT_QUEUE->ready;
		450	$sig->wait;
308	}	451	}
309		452
310	=item cf::async { BLOCK }	453	=item cf::async { BLOCK }
311		454
312	Currently the same as Coro::async_pool, meaning you cannot use	455	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		460
318	BEGIN { *async = \&Coro::async_pool }	461	BEGIN { *async = \&Coro::async_pool }
319		462
320	=item cf::sync_job { BLOCK }	463	=item cf::sync_job { BLOCK }
321		464
322	The design of crossfire+ requires that the main coro ($Coro::main) is	465	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	466	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	467	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		468	acceptable.
325		469
326	If it must be done, put the blocking parts into C<sync_job>. This will run	470	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	471	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	472	server will be frozen during this time, so the block should either finish
329	fast or be very important.	473	fast or be very important.
…		…
332		476
333	sub sync_job(&) {	477	sub sync_job(&) {
334	my ($job) = @_;	478	my ($job) = @_;
335		479
336	if ($Coro::current == $Coro::main) {	480	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	481	my $time = EV::time;
338		482
339	# this is the main coro, too bad, we have to block	483	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	484	# till the operation succeeds, freezing the server :/
341		485
342	# TODO: use suspend/resume instead	486	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	487
344	my $freeze_guard = freeze_mainloop;	488	my $freeze_guard = freeze_mainloop;
345		489
346	my $busy = 1;	490	my $busy = 1;
347	my @res;	491	my @res;
348		492
349	(async {	493	(async {
		494	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	495	@res = eval { $job->() };
351	warn $@ if $@;	496	warn $@ if $@;
352	undef $busy;	497	undef $busy;
353	})->prio (Coro::PRIO_MAX);	498	})->prio (Coro::PRIO_MAX);
354		499
355	while ($busy) {	500	while ($busy) {
356	Coro::cede or Event::one_event;	501	if (Coro::nready) {
		502	Coro::cede_notself;
		503	} else {
		504	EV::loop EV::LOOP_ONESHOT;
357	}	505	}
		506	}
358		507
359	$time = Event::time - $time;	508	my $time = EV::time - $time;
360		509
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	510	$TICK_START += $time; # do not account sync jobs to server load
365		511
366	wantarray ? @res : $res[0]	512	wantarray ? @res : $res[0]
367	} else {	513	} else {
368	# we are in another coroutine, how wonderful, everything just works	514	# we are in another coroutine, how wonderful, everything just works
369		515
…		…
389	$EXT_CORO{$coro+0} = $coro;	535	$EXT_CORO{$coro+0} = $coro;
390		536
391	$coro	537	$coro
392	}	538	}
393		539
394	sub write_runtime {	540	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		541
397	# first touch the runtime file to show we are still running:	542	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	543	process, returning the results. Everything must be serialisable with
		544	Coro::Storable. May, of course, block. Note that the executed sub may
		545	never block itself or use any form of event handling.
399		546
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	547	=cut
401	utime undef, undef, $fh;	548
		549	sub fork_call(&@) {
		550	my ($cb, @args) = @_;
		551
		552	# we seemingly have to make a local copy of the whole thing,
		553	# otherwise perl prematurely frees the stuff :/
		554	# TODO: investigate and fix (likely this will be rather laborious)
		555
		556	my @res = Coro::Util::fork_eval {
		557	reset_signals;
		558	&$cb
		559	}, @args;
		560
		561	wantarray ? @res : $res[-1]
		562	}
		563
		564	=item $coin = coin_from_name $name
		565
		566	=cut
		567
		568	our %coin_alias = (
		569	"silver" => "silvercoin",
		570	"silvercoin" => "silvercoin",
		571	"silvercoins" => "silvercoin",
		572	"gold" => "goldcoin",
		573	"goldcoin" => "goldcoin",
		574	"goldcoins" => "goldcoin",
		575	"platinum" => "platinacoin",
		576	"platinumcoin" => "platinacoin",
		577	"platinumcoins" => "platinacoin",
		578	"platina" => "platinacoin",
		579	"platinacoin" => "platinacoin",
		580	"platinacoins" => "platinacoin",
		581	"royalty" => "royalty",
		582	"royalties" => "royalty",
		583	);
		584
		585	sub coin_from_name($) {
		586	$coin_alias{$_[0]}
		587	? cf::arch::find $coin_alias{$_[0]}
		588	: undef
		589	}
		590
		591	=item $value = cf::db_get $family => $key
		592
		593	Returns a single value from the environment database.
		594
		595	=item cf::db_put $family => $key => $value
		596
		597	Stores the given C<$value> in the family. It can currently store binary
		598	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		599
		600	=item $db = cf::db_table "name"
		601
		602	Create and/or open a new database table. The string must not be "db" and must be unique
		603	within each server.
		604
		605	=cut
		606
		607	sub db_table($) {
		608	my ($name) = @_;
		609	my $db = BDB::db_create $DB_ENV;
		610
		611	eval {
		612	$db->set_flags (BDB::CHKSUM);
		613
		614	utf8::encode $name;
		615	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		616	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		617	cf::cleanup "db_open(db): $!" if $!;
402	}	618	};
		619	cf::cleanup "db_open(db): $@" if $@;
403		620
404	my $guard = cf::lock_acquire "write_runtime";	621	$db
		622	}
405		623
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	624	our $DB;
407	or return;
408		625
409	my $value = $cf::RUNTIME + 90 + 10;	626	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	627	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	628	$DB ||= db_table "db";
		629	};
		630	}
412		631
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	632	sub db_get($$) {
414	and return;	633	my $key = "$_[0]/$_[1]";
415		634
416	# always fsync - this file is important	635	cf::sync_job {
417	aio_fsync $fh	636	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		637
420	# touch it again to show we are up-to-date	638	$! ? ()
421	utime undef, undef, $fh;	639	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	640	}
		641	}
		642
		643	sub db_put($$$) {
		644	BDB::dbreq_pri 4;
		645	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		646	}
		647
		648	=item cf::cache $id => [$paths...], $processversion => $process
		649
		650	Generic caching function that returns the value of the resource $id,
		651	caching and regenerating as required.
		652
		653	This function can block.
		654
		655	=cut
		656
		657	sub cache {
		658	my ($id, $src, $processversion, $process) = @_;
		659
		660	my $meta =
		661	join "\x00",
		662	$processversion,
		663	map {
		664	aio_stat $_
		665	and Carp::croak "$_: $!";
		666
		667	($_, (stat _)[7,9])
		668	} @$src;
		669
		670	my $dbmeta = db_get cache => "$id/meta";
		671	if ($dbmeta ne $meta) {
		672	# changed, we may need to process
		673
		674	my @data;
		675	my $md5;
		676
		677	for (0 .. $#$src) {
		678	0 <= aio_load $src->[$_], $data[$_]
		679	or Carp::croak "$src->[$_]: $!";
		680	}
		681
		682	# if processing is expensive, check
		683	# checksum first
		684	if (1) {
		685	$md5 =
		686	join "\x00",
		687	$processversion,
		688	map {
		689	cf::cede_to_tick;
		690	($src->[$_], Digest::MD5::md5_hex $data[$_])
		691	} 0.. $#$src;
		692
		693
		694	my $dbmd5 = db_get cache => "$id/md5";
		695	if ($dbmd5 eq $md5) {
		696	db_put cache => "$id/meta", $meta;
		697
		698	return db_get cache => "$id/data";
		699	}
		700	}
		701
		702	my $t1 = Time::HiRes::time;
		703	my $data = $process->(\@data);
		704	my $t2 = Time::HiRes::time;
		705
		706	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		707
		708	db_put cache => "$id/data", $data;
		709	db_put cache => "$id/md5" , $md5;
		710	db_put cache => "$id/meta", $meta;
		711
		712	return $data;
		713	}
		714
		715	db_get cache => "$id/data"
432	}	716	}
433		717
434	=item cf::datalog type => key => value, ...	718	=item cf::datalog type => key => value, ...
435		719
436	Log a datalog packet of the given type with the given key-value pairs.	720	Log a datalog packet of the given type with the given key-value pairs.
…		…
448		732
449	#############################################################################	733	#############################################################################
450		734
451	=head2 ATTACHABLE OBJECTS	735	=head2 ATTACHABLE OBJECTS
452		736
453	Many objects in crossfire are so-called attachable objects. That means you can	737	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")	738	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	739	to it. All such attachable objects support the following methods.
456		740
457	In the following description, CLASS can be any of C<global>, C<object>	741	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	742	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	743	Deliantra).
460		744
461	=over 4	745	=over 4
462		746
463	=item $attachable->attach ($attachment, key => $value...)	747	=item $attachable->attach ($attachment, key => $value...)
464		748
…		…
508	=item cf::CLASS::attachment $name, ...	792	=item cf::CLASS::attachment $name, ...
509		793
510	Register an attachment by C<$name> through which attachable objects of the	794	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	795	given CLASS can refer to this attachment.
512		796
513	Some classes such as crossfire maps and objects can specify attachments	797	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.	798	that are attached at load/instantiate time, thus the need for a name.
515		799
516	These calls expect any number of the following handler/hook descriptions:	800	These calls expect any number of the following handler/hook descriptions:
517		801
518	=over 4	802	=over 4
…		…
666	_attach $registry, $klass, @attach;	950	_attach $registry, $klass, @attach;
667	}	951	}
668		952
669	$obj->{$name} = \%arg;	953	$obj->{$name} = \%arg;
670	} else {	954	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	955	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	956	}
673		957
674	$obj->{_attachment}{$name} = undef;	958	$obj->{_attachment}{$name} = undef;
675	}	959	}
676		960
…		…
716	";	1000	";
717	die if $@;	1001	die if $@;
718	}	1002	}
719		1003
720	our $override;	1004	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1005	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		1006
723	sub override {	1007	sub override {
724	$override = 1;	1008	$override = 1;
725	@invoke_results = ();	1009	@INVOKE_RESULTS = (@_);
726	}	1010	}
727		1011
728	sub do_invoke {	1012	sub do_invoke {
729	my $event = shift;	1013	my $event = shift;
730	my $callbacks = shift;	1014	my $callbacks = shift;
731		1015
732	@invoke_results = ();	1016	@INVOKE_RESULTS = ();
733		1017
734	local $override;	1018	local $override;
735		1019
736	for (@$callbacks) {	1020	for (@$callbacks) {
737	eval { &{$_->[1]} };	1021	eval { &{$_->[1]} };
…		…
746	}	1030	}
747		1031
748	0	1032	0
749	}	1033	}
750		1034
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1036
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1038
755	Generate an object-specific event with the given arguments.	1039	Generate an object-specific event with the given arguments.
756		1040
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1041	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	1042	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1043	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1044
761	=back	1045	=back
762		1046
763	=cut	1047	=cut
764		1048
765	#############################################################################	1049	#############################################################################
766	# object support	1050	# object support
		1051
		1052	sub _object_equal($$);
		1053	sub _object_equal($$) {
		1054	my ($a, $b) = @_;
		1055
		1056	return 0 unless (ref $a) eq (ref $b);
		1057
		1058	if ("HASH" eq ref $a) {
		1059	my @ka = keys %$a;
		1060	my @kb = keys %$b;
		1061
		1062	return 0 if @ka != @kb;
		1063
		1064	for (0 .. $#ka) {
		1065	return 0 unless $ka[$_] eq $kb[$_];
		1066	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1067	}
		1068
		1069	} elsif ("ARRAY" eq ref $a) {
		1070
		1071	return 0 if @$a != @$b;
		1072
		1073	for (0 .. $#$a) {
		1074	return 0 unless _object_equal $a->[$_], $b->[$_];
		1075	}
		1076
		1077	} elsif ($a ne $b) {
		1078	return 0;
		1079	}
		1080
		1081	1
		1082	}
		1083
		1084	our $SLOW_MERGES;#d#
		1085	sub _can_merge {
		1086	my ($ob1, $ob2) = @_;
		1087
		1088	++$SLOW_MERGES;#d#
		1089
		1090	# we do the slow way here
		1091	return _object_equal $ob1, $ob2
		1092	}
767		1093
768	sub reattach {	1094	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1095	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1096	my ($obj) = @_;
771		1097
		1098	# no longer needed after getting rid of delete_package?
772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1099	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773		1100
774	my $registry = $obj->registry;	1101	my $registry = $obj->registry;
775		1102
776	@$registry = ();	1103	@$registry = ();
777		1104
…		…
792	cf::attachable->attach (	1119	cf::attachable->attach (
793	prio => -1000000,	1120	prio => -1000000,
794	on_instantiate => sub {	1121	on_instantiate => sub {
795	my ($obj, $data) = @_;	1122	my ($obj, $data) = @_;
796		1123
797	$data = from_json $data;	1124	$data = decode_json $data;
798		1125
799	for (@$data) {	1126	for (@$data) {
800	my ($name, $args) = @$_;	1127	my ($name, $args) = @$_;
801		1128
802	$obj->attach ($name, %{$args || {} });	1129	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1145	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1146	my ($filename, $rdata, $objs) = @_;
820		1147
821	sync_job {	1148	sync_job {
822	if (length $$rdata) {	1149	if (length $$rdata) {
		1150	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1151	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1152	$decname, length $$rdata, scalar @$objs;
825		1153
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1156	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1157	if ($cf::USE_FSYNC) {
		1158	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;
		1159	aio_fsync $fh;
		1160	}
830	close $fh;	1161	aio_close $fh;
831		1162
832	if (@$objs) {	1163	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1164	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1165	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1166	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1167	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1168	if ($cf::USE_FSYNC) {
		1169	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;
		1170	aio_fsync $fh;
		1171	}
838	close $fh;	1172	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1173	aio_rename "$filename.pst~", "$filename.pst";
840	}	1174	}
841	} else {	1175	} else {
842	aio_unlink "$filename.pst";	1176	aio_unlink "$filename.pst";
843	}	1177	}
844		1178
845	aio_rename "$filename~", $filename;	1179	aio_rename "$filename~", $filename;
		1180
		1181	$filename =~ s%/[^/]+$%%;
		1182	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1183	} else {
847	warn "FATAL: $filename~: $!\n";	1184	warn "unable to save objects: $filename~: $!\n";
848	}	1185	}
849	} else {	1186	} else {
850	aio_unlink $filename;	1187	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
852	}	1189	}
853	}	1190	};
854	}	1191	}
855		1192
856	sub object_freezer_as_string {	1193	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1194	my ($rdata, $objs) = @_;
858		1195
…		…
870	or return;	1207	or return;
871		1208
872	unless (aio_stat "$filename.pst") {	1209	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1210	(aio_load "$filename.pst", $av) >= 0
874	or return;	1211	or return;
		1212
875	$av = eval { (Storable::thaw $av)->{objs} };	1213	my $st = eval { Coro::Storable::thaw $av };
		1214	$av = $st->{objs};
876	}	1215	}
877		1216
		1217	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1218	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1219	$decname, length $data, scalar @{$av || []};
		1220
880	return ($data, $av);	1221	($data, $av)
881	}	1222	}
		1223
		1224	=head2 COMMAND CALLBACKS
		1225
		1226	=over 4
		1227
		1228	=cut
882		1229
883	#############################################################################	1230	#############################################################################
884	# command handling &c	1231	# command handling &c
885		1232
886	=item cf::register_command $name => \&callback($ob,$args);	1233	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1246	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1247	}
901		1248
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1249	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1250
904	Register a callbackf ro execution when the client sends an extcmd packet.	1251	Register a callback for execution when the client sends an (synchronous)
		1252	extcmd packet. Ext commands will be processed in the order they are
		1253	received by the server, like other user commands. The first argument is
		1254	the logged-in player. Ext commands can only be processed after a player
		1255	has logged in successfully.
905		1256
906	If the callback returns something, it is sent back as if reply was being	1257	If the callback returns something, it is sent back as if reply was being
907	called.	1258	called.
908		1259
		1260	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1261
		1262	Register a callback for execution when the client sends an (asynchronous)
		1263	exticmd packet. Exti commands are processed by the server as soon as they
		1264	are received, i.e. out of order w.r.t. other commands. The first argument
		1265	is a client socket. Exti commands can be received anytime, even before
		1266	log-in.
		1267
		1268	If the callback returns something, it is sent back as if reply was being
		1269	called.
		1270
909	=cut	1271	=cut
910		1272
911	sub register_extcmd {	1273	sub register_extcmd {
912	my ($name, $cb) = @_;	1274	my ($name, $cb) = @_;
913		1275
914	$EXTCMD{$name} = $cb;	1276	$EXTCMD{$name} = $cb;
915	}	1277	}
		1278
		1279	sub register_exticmd {
		1280	my ($name, $cb) = @_;
		1281
		1282	$EXTICMD{$name} = $cb;
		1283	}
		1284
		1285	use File::Glob ();
916		1286
917	cf::player->attach (	1287	cf::player->attach (
918	on_command => sub {	1288	on_command => sub {
919	my ($pl, $name, $params) = @_;	1289	my ($pl, $name, $params) = @_;
920		1290
…		…
928	cf::override;	1298	cf::override;
929	},	1299	},
930	on_extcmd => sub {	1300	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1301	my ($pl, $buf) = @_;
932		1302
933	my $msg = eval { from_json $buf };	1303	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1304
935	if (ref $msg) {	1305	if (ref $msg) {
		1306	my ($type, $reply, @payload) =
		1307	"ARRAY" eq ref $msg
		1308	? @$msg
		1309	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1310
		1311	my @reply;
		1312
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1313	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1314	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1315	}
		1316
		1317	$pl->ext_reply ($reply, @reply)
		1318	if $reply;
		1319
941	} else {	1320	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1321	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1322	}
944		1323
945	cf::override;	1324	cf::override;
946	},	1325	},
947	);	1326	);
948		1327
		1328	# "readahead" all extensions
949	sub load_extension {	1329	sub cache_extensions {
950	my ($path) = @_;	1330	my $grp = IO::AIO::aio_group;
951		1331
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1332	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1333	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1334	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	}	1335	}
977	die $@;
978	}	1336	};
979		1337
980	push @EXTS, $pkg;	1338	$grp
981	}	1339	}
982		1340
983	sub load_extensions {	1341	sub load_extensions {
		1342	cf::sync_job {
		1343	my %todo;
		1344
984	for my $ext (<$LIBDIR/*.ext>) {	1345	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1346	next unless -r $path;
986	eval {	1347
987	load_extension $ext;	1348	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1349	my $base = $1;
		1350	my $pkg = $1;
		1351	$pkg =~ s/[^[:word:]]/_/g;
		1352	$pkg = "ext::$pkg";
		1353
		1354	open my $fh, "<:utf8", $path
		1355	or die "$path: $!";
		1356
		1357	my $source = do { local $/; <$fh> };
		1358
		1359	my %ext = (
		1360	path => $path,
		1361	base => $base,
		1362	pkg => $pkg,
		1363	);
		1364
		1365	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1366	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1367
		1368	$ext{source} =
		1369	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1370	. "#line 1 \"$path\"\n{\n"
		1371	. $source
		1372	. "\n};\n1";
		1373
		1374	$todo{$base} = \%ext;
		1375	}
		1376
		1377	my %done;
		1378	while (%todo) {
		1379	my $progress;
		1380
		1381	while (my ($k, $v) = each %todo) {
		1382	for (split /,\s*/, $v->{meta}{depends}) {
		1383	goto skip
		1384	unless exists $done{$_};
		1385	}
		1386
		1387	warn "... loading '$k' into '$v->{pkg}'\n";
		1388
		1389	unless (eval $v->{source}) {
		1390	my $msg = $@ ? "$v->{path}: $@\n"
		1391	: "$v->{base}: extension inactive.\n";
		1392
		1393	if (exists $v->{meta}{mandatory}) {
		1394	warn $msg;
		1395	cf::cleanup "mandatory extension failed to load, exiting.";
		1396	}
		1397
		1398	warn $msg;
		1399	}
		1400
		1401	$done{$k} = delete $todo{$k};
		1402	push @EXTS, $v->{pkg};
		1403	$progress = 1;
988	1	1404	}
989	} or warn "$ext not loaded: $@";	1405
		1406	skip:
		1407	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1408	unless $progress;
		1409	}
990	}	1410	};
991	}	1411	}
992		1412
993	#############################################################################	1413	#############################################################################
994		1414
		1415	=back
		1416
995	=head2 CORE EXTENSIONS	1417	=head2 CORE EXTENSIONS
996		1418
997	Functions and methods that extend core crossfire objects.	1419	Functions and methods that extend core deliantra objects.
998		1420
999	=cut	1421	=cut
1000		1422
1001	package cf::player;	1423	package cf::player;
1002		1424
1003	use Coro::AIO;	1425	use Coro::AIO;
1004		1426
1005	=head3 cf::player	1427	=head3 cf::player
1006		1428
1007	=over 4	1429	=over 4
		1430
		1431	=item cf::player::num_playing
		1432
		1433	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1434
		1435	=cut
		1436
		1437	sub num_playing {
		1438	scalar grep
		1439	$_->ob->map
		1440	&& !$_->hidden
		1441	&& !$_->ob->flag (cf::FLAG_WIZ),
		1442	cf::player::list
		1443	}
1008		1444
1009	=item cf::player::find $login	1445	=item cf::player::find $login
1010		1446
1011	Returns the given player object, loading it if necessary (might block).	1447	Returns the given player object, loading it if necessary (might block).
1012		1448
…		…
1031		1467
1032	sub exists($) {	1468	sub exists($) {
1033	my ($login) = @_;	1469	my ($login) = @_;
1034		1470
1035	$cf::PLAYER{$login}	1471	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1472	or !aio_stat path $login
1037	}	1473	}
1038		1474
1039	sub find($) {	1475	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1476	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1477	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1484	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1485	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1486	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1487	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1488
1053	my $pl = load_pl path $login	1489	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1490	or return;
		1491
		1492	my $pl = cf::player::load_pl $f
		1493	or return;
		1494
		1495	local $cf::PLAYER_LOADING{$login} = $pl;
		1496	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1497	$cf::PLAYER{$login} = $pl
1056	}	1498	}
1057	}	1499	}
1058	}	1500	}
1059		1501
…		…
1068	return if $pl->{deny_save};	1510	return if $pl->{deny_save};
1069		1511
1070	aio_mkdir playerdir $pl, 0770;	1512	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1513	$pl->{last_save} = $cf::RUNTIME;
1072		1514
		1515	cf::get_slot 0.01;
		1516
1073	$pl->save_pl ($path);	1517	$pl->save_pl ($path);
1074	Coro::cede;	1518	cf::cede_to_tick;
1075	}	1519	}
1076		1520
1077	sub new($) {	1521	sub new($) {
1078	my ($login) = @_;	1522	my ($login) = @_;
1079		1523
…		…
1085	$cf::PLAYER{$login} = $self;	1529	$cf::PLAYER{$login} = $self;
1086		1530
1087	$self	1531	$self
1088	}	1532	}
1089		1533
		1534	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1535
		1536	=cut
		1537
		1538	sub send_msg {
		1539	my $ns = shift->ns
		1540	or return;
		1541	$ns->send_msg (@_);
		1542	}
		1543
1090	=item $pl->quit_character	1544	=item $pl->quit_character
1091		1545
1092	Nukes the player without looking back. If logged in, the connection will	1546	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1547	be destroyed. May block for a long time.
1094		1548
…		…
1098	my ($pl) = @_;	1552	my ($pl) = @_;
1099		1553
1100	my $name = $pl->ob->name;	1554	my $name = $pl->ob->name;
1101		1555
1102	$pl->{deny_save} = 1;	1556	$pl->{deny_save} = 1;
1103	$pl->password ("*"); # this should lock out the player until we nuked the dir	1557	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1104		1558
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1559	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1560	$pl->deactivate;
		1561	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1562	$pl->ob->check_score;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1563	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1564	$pl->ns->destroy if $pl->ns;
1109		1565
1110	my $path = playerdir $pl;	1566	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1567	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1603	or return [];
1148		1604
1149	my @logins;	1605	my @logins;
1150		1606
1151	for my $login (@$dirs) {	1607	for my $login (@$dirs) {
		1608	my $path = path $login;
		1609
		1610	# a .pst is a dead give-away for a valid player
		1611	# if no pst file found, open and chekc for blocked users
		1612	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1613	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1614	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1615	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1616	}
1155		1617
1156	utf8::decode $login;	1618	utf8::decode $login;
1157	push @logins, $login;	1619	push @logins, $login;
1158	}	1620	}
1159		1621
…		…
1186	}	1648	}
1187		1649
1188	\@paths	1650	\@paths
1189	}	1651	}
1190		1652
		1653	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1654
		1655	Expand deliantra pod fragments into protocol xml.
		1656
1191	=item $player->ext_reply ($msgid, %msg)	1657	=item $player->ext_reply ($msgid, @msg)
1192		1658
1193	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1194		1660
1195	=cut	1661	=cut
1196		1662
1197	sub ext_reply($$%) {	1663	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1664	my ($self, $id, @msg) = @_;
1199		1665
1200	$msg{msgid} = $id;	1666	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1667	}
1204		1668
1205	=item $player->ext_event ($type, %msg)	1669	=item $player->ext_msg ($type, @msg)
1206		1670
1207	Sends an ext event to the client.	1671	Sends an ext event to the client.
1208		1672
1209	=cut	1673	=cut
1210		1674
1211	sub ext_event($$%) {	1675	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1676	my ($self, $type, @msg) = @_;
1213		1677
1214	$self->ns->ext_event ($type, %msg);	1678	$self->ns->ext_msg ($type, @msg);
1215	}	1679	}
1216		1680
1217	=head3 cf::region	1681	=head3 cf::region
1218		1682
1219	=over 4	1683	=over 4
…		…
1222		1686
1223	package cf::region;	1687	package cf::region;
1224		1688
1225	=item cf::region::find_by_path $path	1689	=item cf::region::find_by_path $path
1226		1690
1227	Tries to decuce the probable region for a map knowing only its path.	1691	Tries to decuce the likely region for a map knowing only its path.
1228		1692
1229	=cut	1693	=cut
1230		1694
1231	sub find_by_path($) {	1695	sub find_by_path($) {
1232	my ($path) = @_;	1696	my ($path) = @_;
1233		1697
1234	my ($match, $specificity);	1698	my ($match, $specificity);
1235		1699
1236	for my $region (list) {	1700	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1701	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1702	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1703	if $region->specificity > $specificity;
1240	}	1704	}
1241	}	1705	}
1242		1706
…		…
1263	our $MAX_RESET = 3600;	1727	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1728	our $DEFAULT_RESET = 3000;
1265		1729
1266	sub generate_random_map {	1730	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1731	my ($self, $rmp) = @_;
		1732
		1733	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1734
1268	# mit "rum" bekleckern, nicht	1735	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1736	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1737	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1738	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1739	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1306	my ($self, $merge) = @_;	1773	my ($self, $merge) = @_;
1307		1774
1308	# we have to keep some variables in memory intact	1775	# we have to keep some variables in memory intact
1309	local $self->{path};	1776	local $self->{path};
1310	local $self->{load_path};	1777	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1778
1314	$self->SUPER::thawer_merge ($merge);	1779	$self->SUPER::thawer_merge ($merge);
1315	}	1780	}
1316		1781
1317	sub normalise {	1782	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1829	$self->init; # pass $1 etc.
1365	return $self;	1830	return $self;
1366	}	1831	}
1367	}	1832	}
1368		1833
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1834	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1835	()
1371	}	1836	}
1372		1837
1373	sub init {	1838	sub init {
1374	my ($self) = @_;	1839	my ($self) = @_;
…		…
1396		1861
1397	# the temporary/swap location	1862	# the temporary/swap location
1398	sub save_path {	1863	sub save_path {
1399	my ($self) = @_;	1864	my ($self) = @_;
1400		1865
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1867	"$TMPDIR/$path.map"
1403	}	1868	}
1404		1869
1405	# the unique path, undef == no special unique path	1870	# the unique path, undef == no special unique path
1406	sub uniq_path {	1871	sub uniq_path {
1407	my ($self) = @_;	1872	my ($self) = @_;
1408		1873
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1875	"$UNIQUEDIR/$path"
1411	}	1876	}
1412		1877
1413	# and all this just because we cannot iterate over	1878	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	1879	my ($self) = @_;
1417		1880
1418	$_->change_map_light ($change)	1881	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	1882
		1883	$self->do_decay_objects;
1420	}	1884	}
1421		1885
1422	sub unlink_save {	1886	sub unlink_save {
1423	my ($self) = @_;	1887	my ($self) = @_;
1424		1888
…		…
1429		1893
1430	sub load_header_from($) {	1894	sub load_header_from($) {
1431	my ($self, $path) = @_;	1895	my ($self, $path) = @_;
1432		1896
1433	utf8::encode $path;	1897	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1898	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1899	or return;
		1900
		1901	$self->_load_header ($f)
		1902	or return;
		1903
		1904	local $MAP_LOADING{$self->{path}} = $self;
		1905	$f->resolve_delayed_derefs;
1439		1906
1440	$self->{load_path} = $path;	1907	$self->{load_path} = $path;
1441		1908
1442	1	1909	1
1443	}	1910	}
…		…
1482	$self->load_header_orig	1949	$self->load_header_orig
1483	or return;	1950	or return;
1484	$self->prepare_orig;	1951	$self->prepare_orig;
1485	}	1952	}
1486		1953
		1954	$self->{deny_reset} = 1
		1955	if $self->no_reset;
		1956
1487	$self->default_region (cf::region::find_by_path $self->{path})	1957	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1958	unless $self->default_region;
1489		1959
1490	1	1960	1
1491	}	1961	}
…		…
1494	sub find {	1964	sub find {
1495	my ($path, $origin) = @_;	1965	my ($path, $origin) = @_;
1496		1966
1497	$path = normalise $path, $origin && $origin->path;	1967	$path = normalise $path, $origin && $origin->path;
1498		1968
		1969	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1970	my $guard2 = cf::lock_acquire "map_find:$path";
1500		1971
1501	$cf::MAP{$path} || do {	1972	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	1973	my $map = new_from_path cf::map $path
1504	or return;	1974	or return;
1505		1975
1506	$map->{last_save} = $cf::RUNTIME;	1976	$map->{last_save} = $cf::RUNTIME;
1507		1977
1508	$map->load_header	1978	$map->load_header
1509	or return;	1979	or return;
1510		1980
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1981	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1982	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1983	#$cf::WAIT_FOR_TICK->wait;
		1984	undef $guard2;
		1985	undef $guard1;
1514	$map->reset;	1986	$map->reset;
1515	undef $guard;
1516	return find $path;	1987	return find $path;
1517	}	1988	}
1518		1989
1519	$cf::MAP{$path} = $map	1990	$cf::MAP{$path} = $map
1520	}	1991	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	2000	local $self->{deny_reset} = 1; # loading can take a long time
1530		2001
1531	my $path = $self->{path};	2002	my $path = $self->{path};
1532		2003
1533	{	2004	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2005	my $guard = cf::lock_acquire "map_data:$path";
1535		2006
		2007	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2008	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2009
1538	$self->in_memory (cf::MAP_LOADING);	2010	$self->in_memory (cf::MAP_LOADING);
1539		2011
1540	$self->alloc;	2012	$self->alloc;
1541		2013
1542	$self->pre_load;	2014	$self->pre_load;
1543	Coro::cede;	2015	cf::cede_to_tick;
1544		2016
		2017	my $f = new_from_file cf::object::thawer $self->{load_path};
		2018	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2019	$self->_load_objects ($f)
1546	or return;	2020	or return;
1547		2021
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2022	$self->post_load_original
1549	if delete $self->{load_original};	2023	if delete $self->{load_original};
1550		2024
1551	if (my $uniq = $self->uniq_path) {	2025	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2026	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2027	unless (aio_stat $uniq) {
		2028	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2029	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2030	$self->_load_objects ($f);
		2031	$f->resolve_delayed_derefs;
		2032	}
1556	}	2033	}
1557	}	2034	}
1558		2035
1559	Coro::cede;	2036	$f->resolve_delayed_derefs;
		2037
		2038	cf::cede_to_tick;
1560	# now do the right thing for maps	2039	# now do the right thing for maps
1561	$self->link_multipart_objects;	2040	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2041	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2042	unless $self->difficulty;
1564	Coro::cede;	2043	cf::cede_to_tick;
1565		2044
1566	unless ($self->{deny_activate}) {	2045	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2046	$self->decay_objects;
1568	$self->fix_auto_apply;	2047	$self->fix_auto_apply;
1569	$self->update_buttons;	2048	$self->update_buttons;
1570	Coro::cede;	2049	cf::cede_to_tick;
1571	$self->set_darkness_map;
1572	Coro::cede;
1573	$self->activate;	2050	$self->activate;
1574	}	2051	}
1575		2052
		2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
		2055
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2056	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2057	}
1578		2058
1579	$self->post_load;	2059	$self->post_load;
1580	}	2060	}
1581		2061
…		…
1583	my ($self, $ob) = @_;	2063	my ($self, $ob) = @_;
1584		2064
1585	return find "~" . $ob->name . "/" . $self->{path}	2065	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2066	if $self->per_player;
1587		2067
		2068	# return find "?party/" . $ob->name . "/" . $self->{path}
		2069	# if $self->per_party;
		2070
1588	$self	2071	$self
1589	}	2072	}
1590		2073
1591	# find and load all maps in the 3x3 area around a map	2074	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2075	sub load_neighbours {
1593	my ($map) = @_;	2076	my ($map) = @_;
1594		2077
1595	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1596		2079
1597	for (0 .. 3) {	2080	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1599	or next;	2082	or next;
1600	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1601	or next;	2084	or next;
1602	$neigh->load;	2085	$neigh->load;
1603		2086
		2087	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2090	}
1607		2091
1608	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1610	or next;	2095	or next;
1611	$neigh->load;	2096	$neigh->load;
1612	}	2097	}
1613	}	2098	}
1614		2099
…		…
1619	}	2104	}
1620		2105
1621	sub do_load_sync {	2106	sub do_load_sync {
1622	my ($map) = @_;	2107	my ($map) = @_;
1623		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1624	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1625	}	2113	}
1626		2114
1627	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1629		2117
1630	sub find_async {	2118	sub find_async {
1631	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1632		2120
1633	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1634		2122
1635	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2125	}
1638		2126
1639	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1640	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1641	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2134	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2135	$map->load if $v;
		2136	}
1646		2137
1647	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1648	}	2139	}
1649	}	2140	}
1650	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1651	};	2142	};
1652	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2146	}
1656		2147
1657	sub save {	2148	sub save {
1658	my ($self) = @_;	2149	my ($self) = @_;
1659		2150
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2152
1662	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1663		2154
1664	return unless $self->dirty;	2155	return unless $self->dirty;
1665		2156
…		…
1671	return if $self->{deny_save};	2162	return if $self->{deny_save};
1672		2163
1673	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1674		2165
1675	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1677	};	2169	};
		2170
		2171	cf::get_slot 0.02;
1678		2172
1679	if ($uniq) {	2173	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2176	} else {
…		…
1688	my ($self) = @_;	2182	my ($self) = @_;
1689		2183
1690	# save first because save cedes	2184	# save first because save cedes
1691	$self->save;	2185	$self->save;
1692		2186
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2188
1695	return if $self->players;	2189	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1697	return if $self->{deny_save};	2191	return if $self->{deny_save};
1698		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2197	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2198	}
1702		2199
1703	sub reset_at {	2200	sub reset_at {
1704	my ($self) = @_;	2201	my ($self) = @_;
1705		2202
1706	# TODO: safety, remove and allow resettable per-player maps	2203	# 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};	2204	return 1e99 if $self->{deny_reset};
1709		2205
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2206	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2207	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2208
…		…
1723	my ($self) = @_;	2219	my ($self) = @_;
1724		2220
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2222
1727	return if $self->players;	2223	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2224
1730	warn "resetting map ", $self->path;#d#	2225	warn "resetting map ", $self->path, "\n";
1731		2226
1732	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->in_memory (cf::MAP_SWAPPED);
1733		2228
1734	# need to save uniques path	2229	# need to save uniques path
1735	unless ($self->{deny_save}) {	2230	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2234	if $uniq;
1740	}	2235	}
1741		2236
1742	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
1743		2238
		2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2241	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2242
1748	$self->unlink_save;	2243	$self->unlink_save;
1749	$self->destroy;	2244	$self->destroy;
1750	}	2245	}
1751		2246
1752	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
1753		2248
1754	sub nuke {	2249	sub nuke {
1755	my ($self) = @_;	2250	my ($self) = @_;
1756		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
1757	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1758		2256
1759	$self->unlink_save;	2257	$self->unlink_save;
1760		2258
1761	bless $self, "cf::map";	2259	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2264
1767	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
1768		2267
1769	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
		2269	}
		2270
		2271	=item $maps = cf::map::tmp_maps
		2272
		2273	Returns an arrayref with all map paths of currently instantiated and saved
		2274	maps. May block.
		2275
		2276	=cut
		2277
		2278	sub tmp_maps() {
		2279	[
		2280	map {
		2281	utf8::decode $_;
		2282	/\.map$/
		2283	? normalise $_
		2284	: ()
		2285	} @{ aio_readdir $TMPDIR or [] }
		2286	]
		2287	}
		2288
		2289	=item $maps = cf::map::random_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	random maps. May block.
		2293
		2294	=cut
		2295
		2296	sub random_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise "?random/$_"
		2302	: ()
		2303	} @{ aio_readdir $RANDOMDIR or [] }
		2304	]
1770	}	2305	}
1771		2306
1772	=item cf::map::unique_maps	2307	=item cf::map::unique_maps
1773		2308
1774	Returns an arrayref of paths of all shared maps that have	2309	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2310	instantiated unique items. May block.
1776		2311
1777	=cut	2312	=cut
1778		2313
1779	sub unique_maps() {	2314	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2315	[
1781	or return;	2316	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2317	utf8::decode $_;
1787	next if /\.pst$/;	2318	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2320	? ()
1790	push @paths, cf::map::normalise $_;	2321	: normalise $_
		2322	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2323	]
1792
1793	\@paths
1794	}	2324	}
1795
1796	package cf;
1797		2325
1798	=back	2326	=back
1799		2327
1800	=head3 cf::object	2328	=head3 cf::object
1801		2329
…		…
1805		2333
1806	=over 4	2334	=over 4
1807		2335
1808	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
1809		2337
1810	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
1811		2340
1812	=cut	2341	=cut
1813		2342
1814	sub inv_recursive_;	2343	sub inv_recursive_;
1815	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
1818		2347
1819	sub inv_recursive {	2348	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
1821	}	2350	}
1822		2351
		2352	=item $ref = $ob->ref
		2353
		2354	Creates and returns a persistent reference to an object that can be stored as a string.
		2355
		2356	=item $ob = cf::object::deref ($refstring)
		2357
		2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2359	even if the object actually exists. May block.
		2360
		2361	=cut
		2362
		2363	sub deref {
		2364	my ($ref) = @_;
		2365
		2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2367	my ($uuid, $name) = ($1, $2);
		2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2369	or return;
		2370	$pl->ob->uuid eq $uuid
		2371	or return;
		2372
		2373	$pl->ob
		2374	} else {
		2375	warn "$ref: cannot resolve object reference\n";
		2376	undef
		2377	}
		2378	}
		2379
1823	package cf;	2380	package cf;
1824		2381
1825	=back	2382	=back
1826		2383
1827	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2390	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	2391	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
1836		2393
1837	=cut	2394	=cut
		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
1838		2409
1839	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2411	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
1844		2415
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2416	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2417
1847	if ($self->{record_replies}) {	2418	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2419	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2420
1849	} else {	2421	} else {
		2422	my $pl = $self->contr;
		2423
		2424	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2425	my $dialog = $pl->{npc_dialog};
		2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2427
		2428	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2431	}
1852	}	2432	}
		2433	}
		2434
		2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2436
		2437	=cut
		2438
		2439	sub cf::object::send_msg {
		2440	my $pl = shift->contr
		2441	or return;
		2442	$pl->send_msg (@_);
1853	}	2443	}
1854		2444
1855	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
1856		2446
1857	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
1870		2460
1871	=item $player_object->enter_link	2461	=item $player_object->enter_link
1872		2462
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2464
1875	The player should be reasonably safe there for short amounts of time. You	2465	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.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
1877		2469
1878	Will never block.	2470	Will never block.
1879		2471
1880	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
1881		2473
…		…
1904	$self->deactivate_recursive;	2496	$self->deactivate_recursive;
1905		2497
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2498	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2499
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2501	if $self->map && $self->map->{path} ne "{link}";
1910		2502
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2503	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2504	}
1913		2505
1914	sub cf::object::player::leave_link {	2506	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2507	my ($self, $map, $x, $y) = @_;
		2508
		2509	return unless $self->contr->active;
1916		2510
1917	my $link_pos = delete $self->{_link_pos};	2511	my $link_pos = delete $self->{_link_pos};
1918		2512
1919	unless ($map) {	2513	unless ($map) {
1920	# restore original map position	2514	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
1937		2531
1938	$map->load;	2532	$map->load;
1939	$map->load_diag;	2533	$map->load_neighbours;
1940		2534
1941	return unless $self->contr->active;	2535	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2536
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2537	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2538	$self->enter_map ($map, $x, $y);
1946	}
1947		2539
1948	cf::player->attach (	2540	# only activate afterwards, to support waiting in hooks
1949	on_logout => sub {	2541	$self->activate_recursive;
1950	my ($pl) = @_;	2542	}
1951		2543
1952	# abort map switching before logout	2544	=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		2545
1962	# try to abort aborted map switching on player login :)	2546	Moves the player to the given map-path and coordinates by first freezing
1963	# should happen only on crashes	2547	her, loading and preparing them map, calling the provided $check callback
1964	if ($pl->ob->{_link_pos}) {	2548	that has to return the map if sucecssful, and then unfreezes the player on
1965	$pl->ob->enter_link;	2549	the new (success) or old (failed) map position. In either case, $done will
1966	(async {	2550	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		2551
1980	=item $player_object->goto ($path, $x, $y)	2552	Note that $check will be called with a potentially non-loaded map, so if
		2553	it needs a loaded map it has to call C<< ->load >>.
1981		2554
1982	=cut	2555	=cut
		2556
		2557	our $GOTOGEN;
1983		2558
1984	sub cf::object::player::goto {	2559	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2560	my ($self, $path, $x, $y, $check, $done) = @_;
		2561
		2562	# do generation counting so two concurrent goto's will be executed in-order
		2563	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2564
1987	$self->enter_link;	2565	$self->enter_link;
1988		2566
1989	(async {	2567	(async {
		2568	$Coro::current->{desc} = "player::goto $path $x $y";
		2569
		2570	# *tag paths override both path and x|y
		2571	if ($path =~ /^\*(.*)$/) {
		2572	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2573	my $ob = $obs[rand @obs];
		2574
		2575	# see if we actually can go there
		2576	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2577	$ob = $obs[rand @obs];
		2578	} else {
		2579	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2580	}
		2581	# else put us there anyways for now #d#
		2582
		2583	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2584	} else {
		2585	($path, $x, $y) = (undef, undef, undef);
		2586	}
		2587	}
		2588
1990	my $map = eval {	2589	my $map = eval {
1991	my $map = cf::map::find $path;	2590	my $map = defined $path ? cf::map::find $path : undef;
		2591
		2592	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2593	$map = $map->customise_for ($self);
		2594	$map = $check->($map) if $check && $map;
		2595	} else {
		2596	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2597	}
		2598
1993	$map	2599	$map
		2600	};
		2601
		2602	if ($@) {
		2603	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2604	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2605	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2606
		2607	if ($gen == $self->{_goto_generation}) {
		2608	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2609	$self->leave_link ($map, $x, $y);
		2610	}
		2611
		2612	$done->() if $done;
1998	})->prio (1);	2613	})->prio (1);
1999	}	2614	}
2000		2615
2001	=item $player_object->enter_exit ($exit_object)	2616	=item $player_object->enter_exit ($exit_object)
2002		2617
…		…
2022	}	2637	}
2023		2638
2024	sub prepare_random_map {	2639	sub prepare_random_map {
2025	my ($exit) = @_;	2640	my ($exit) = @_;
2026		2641
2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029	# all this does is basically replace the /! path by	2642	# all this does is basically replace the /! path by
2030	# a new random map path (?random/...) with a seed	2643	# a new random map path (?random/...) with a seed
2031	# that depends on the exit object	2644	# that depends on the exit object
2032		2645
2033	my $rmp = parse_random_map_params $exit->msg;	2646	my $rmp = parse_random_map_params $exit->msg;
…		…
2035	if ($exit->map) {	2648	if ($exit->map) {
2036	$rmp->{region} = $exit->region->name;	2649	$rmp->{region} = $exit->region->name;
2037	$rmp->{origin_map} = $exit->map->path;	2650	$rmp->{origin_map} = $exit->map->path;
2038	$rmp->{origin_x} = $exit->x;	2651	$rmp->{origin_x} = $exit->x;
2039	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
		2653
		2654	$exit->map->touch;
2040	}	2655	}
2041		2656
2042	$rmp->{random_seed} ||= $exit->random_seed;	2657	$rmp->{random_seed} ||= $exit->random_seed;
2043		2658
2044	my $data = cf::to_json $rmp;	2659	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2660	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2661	my $meta = "$RANDOMDIR/$md5.meta";
2047		2662
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2663	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2664	aio_write $fh, 0, (length $data), $data, 0;
2050	undef $fh;	2665	undef $fh;
2051	aio_rename "$meta~", $meta;	2666	aio_rename "$meta~", $meta;
2052		2667
		2668	my $slaying = "?random/$md5";
		2669
		2670	if ($exit->valid) {
2053	$exit->slaying ("?random/$md5");	2671	$exit->slaying ("?random/$md5");
2054	$exit->msg (undef);	2672	$exit->msg (undef);
		2673	}
2055	}	2674	}
2056	}	2675	}
2057		2676
2058	sub cf::object::player::enter_exit {	2677	sub cf::object::player::enter_exit {
2059	my ($self, $exit) = @_;	2678	my ($self, $exit) = @_;
2060		2679
2061	return unless $self->type == cf::PLAYER;	2680	return unless $self->type == cf::PLAYER;
2062		2681
2063	if ($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;	2682	$self->enter_link;
2075		2683
2076	(async {	2684	(async {
2077	$self->deactivate_recursive; # just to be sure	2685	$Coro::current->{desc} = "enter_exit";
		2686
2078	unless (eval {	2687	unless (eval {
		2688	$self->deactivate_recursive; # just to be sure
		2689
		2690	# random map handling
		2691	{
		2692	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2693
		2694	prepare_random_map $exit
		2695	if $exit->slaying eq "/!";
		2696	}
		2697
		2698	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2699	my $x = $exit->stats->hp;
		2700	my $y = $exit->stats->sp;
		2701
2079	$self->goto ($slaying, $hp, $sp);	2702	$self->goto ($map, $x, $y);
2080		2703
		2704	# if exit is damned, update players death & WoR home-position
		2705	$self->contr->savebed ($map, $x, $y)
		2706	if $exit->flag (cf::FLAG_DAMNED);
		2707
2081	1;	2708	1
2082	}) {	2709	}) {
2083	$self->message ("Something went wrong deep within the crossfire server. "	2710	$self->message ("Something went wrong deep within the deliantra server. "
2084	. "I'll try to bring you back to the map you were before. "	2711	. "I'll try to bring you back to the map you were before. "
2085	. "Please report this to the dungeon master!",	2712	. "Please report this to the dungeon master!",
2086	cf::NDI_UNIQUE | cf::NDI_RED);	2713	cf::NDI_UNIQUE | cf::NDI_RED);
2087		2714
2088	warn "ERROR in enter_exit: $@";	2715	warn "ERROR in enter_exit: $@";
…		…
2107		2734
2108	utf8::encode $text;	2735	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2736	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2737	}
2111		2738
		2739	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2740
		2741	Send a drawinfo or msg packet to the client, formatting the msg for the
		2742	client if neccessary. C<$type> should be a string identifying the type of
		2743	the message, with C<log> being the default. If C<$color> is negative, suppress
		2744	the message unless the client supports the msg packet.
		2745
		2746	=cut
		2747
		2748	# non-persistent channels (usually the info channel)
		2749	our %CHANNEL = (
		2750	"c/identify" => {
		2751	id => "infobox",
		2752	title => "Identify",
		2753	reply => undef,
		2754	tooltip => "Items recently identified",
		2755	},
		2756	"c/examine" => {
		2757	id => "infobox",
		2758	title => "Examine",
		2759	reply => undef,
		2760	tooltip => "Signs and other items you examined",
		2761	},
		2762	"c/book" => {
		2763	id => "infobox",
		2764	title => "Book",
		2765	reply => undef,
		2766	tooltip => "The contents of a note or book",
		2767	},
		2768	"c/lookat" => {
		2769	id => "infobox",
		2770	title => "Look",
		2771	reply => undef,
		2772	tooltip => "What you saw there",
		2773	},
		2774	"c/who" => {
		2775	id => "infobox",
		2776	title => "Players",
		2777	reply => undef,
		2778	tooltip => "Shows players who are currently online",
		2779	},
		2780	"c/body" => {
		2781	id => "infobox",
		2782	title => "Body Parts",
		2783	reply => undef,
		2784	tooltip => "Shows which body parts you posess and are available",
		2785	},
		2786	"c/statistics" => {
		2787	id => "infobox",
		2788	title => "Statistics",
		2789	reply => undef,
		2790	tooltip => "Shows your primary statistics",
		2791	},
		2792	"c/skills" => {
		2793	id => "infobox",
		2794	title => "Skills",
		2795	reply => undef,
		2796	tooltip => "Shows your experience per skill and item power",
		2797	},
		2798	"c/shopitems" => {
		2799	id => "infobox",
		2800	title => "Shop Items",
		2801	reply => undef,
		2802	tooltip => "Shows the items currently for sale in this shop",
		2803	},
		2804	"c/resistances" => {
		2805	id => "infobox",
		2806	title => "Resistances",
		2807	reply => undef,
		2808	tooltip => "Shows your resistances",
		2809	},
		2810	"c/pets" => {
		2811	id => "infobox",
		2812	title => "Pets",
		2813	reply => undef,
		2814	tooltip => "Shows information abotu your pets/a specific pet",
		2815	},
		2816	"c/perceiveself" => {
		2817	id => "infobox",
		2818	title => "Perceive Self",
		2819	reply => undef,
		2820	tooltip => "You gained detailed knowledge about yourself",
		2821	},
		2822	"c/uptime" => {
		2823	id => "infobox",
		2824	title => "Uptime",
		2825	reply => undef,
		2826	tooltip => "How long the server has been running since last restart",
		2827	},
		2828	"c/mapinfo" => {
		2829	id => "infobox",
		2830	title => "Map Info",
		2831	reply => undef,
		2832	tooltip => "Information related to the maps",
		2833	},
		2834	"c/party" => {
		2835	id => "party",
		2836	title => "Party",
		2837	reply => "gsay ",
		2838	tooltip => "Messages and chat related to your party",
		2839	},
		2840	"c/death" => {
		2841	id => "death",
		2842	title => "Death",
		2843	reply => undef,
		2844	tooltip => "Reason for and more info about your most recent death",
		2845	},
		2846	"c/say" => $SAY_CHANNEL,
		2847	"c/chat" => $CHAT_CHANNEL,
		2848	);
		2849
		2850	sub cf::client::send_msg {
		2851	my ($self, $channel, $msg, $color, @extra) = @_;
		2852
		2853	$msg = $self->pl->expand_cfpod ($msg)
		2854	unless $color & cf::NDI_VERBATIM;
		2855
		2856	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2857
		2858	# check predefined channels, for the benefit of C
		2859	if ($CHANNEL{$channel}) {
		2860	$channel = $CHANNEL{$channel};
		2861
		2862	$self->ext_msg (channel_info => $channel);
		2863	$channel = $channel->{id};
		2864
		2865	} elsif (ref $channel) {
		2866	# send meta info to client, if not yet sent
		2867	unless (exists $self->{channel}{$channel->{id}}) {
		2868	$self->{channel}{$channel->{id}} = $channel;
		2869	$self->ext_msg (channel_info => $channel);
		2870	}
		2871
		2872	$channel = $channel->{id};
		2873	}
		2874
		2875	return unless @extra || length $msg;
		2876
		2877	# default colour, mask it out
		2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2879	if $color & cf::NDI_DEF;
		2880
		2881	my $pkt = "msg "
		2882	. $self->{json_coder}->encode (
		2883	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2884	);
		2885
		2886	# try lzf for large packets
		2887	$pkt = "lzf " . Compress::LZF::compress $pkt
		2888	if 1024 <= length $pkt and $self->{can_lzf};
		2889
		2890	# split very large packets
		2891	if (8192 < length $pkt and $self->{can_lzf}) {
		2892	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2893	$pkt = "frag";
		2894	}
		2895
		2896	$self->send_packet ($pkt);
		2897	}
		2898
2112	=item $client->ext_event ($type, %msg)	2899	=item $client->ext_msg ($type, @msg)
2113		2900
2114	Sends an exti event to the client.	2901	Sends an ext event to the client.
2115		2902
2116	=cut	2903	=cut
2117		2904
2118	sub cf::client::ext_event($$%) {	2905	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2906	my ($self, $type, @msg) = @_;
2120		2907
		2908	if ($self->extcmd == 2) {
		2909	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2910	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2911	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2913	}
		2914	}
		2915
		2916	=item $client->ext_reply ($msgid, @msg)
		2917
		2918	Sends an ext reply to the client.
		2919
		2920	=cut
		2921
		2922	sub cf::client::ext_reply($$@) {
		2923	my ($self, $id, @msg) = @_;
		2924
		2925	if ($self->extcmd == 2) {
		2926	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2927	} elsif ($self->extcmd == 1) {
		2928	#TODO: version 1, remove
		2929	unshift @msg, msgtype => "reply", msgid => $id;
		2930	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2931	}
2123	}	2932	}
2124		2933
2125	=item $success = $client->query ($flags, "text", \&cb)	2934	=item $success = $client->query ($flags, "text", \&cb)
2126		2935
2127	Queues a query to the client, calling the given callback with	2936	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>,	2937	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>.	2938	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		2939
2131	Queries can fail, so check the return code. Or don't, as queries will become	2940	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	2941	become reliable at some point in the future.
2133		2942
2134	=cut	2943	=cut
2135		2944
2136	sub cf::client::query {	2945	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2946	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2954	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2955	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2956
2148	$self->send_packet ($self->{query_queue}[0][0])	2957	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2958	if @{ $self->{query_queue} } == 1;
		2959
		2960	1
2150	}	2961	}
2151		2962
2152	cf::client->attach (	2963	cf::client->attach (
		2964	on_connect => sub {
		2965	my ($ns) = @_;
		2966
		2967	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2968	},
2153	on_reply => sub {	2969	on_reply => sub {
2154	my ($ns, $msg) = @_;	2970	my ($ns, $msg) = @_;
2155		2971
2156	# this weird shuffling is so that direct followup queries	2972	# this weird shuffling is so that direct followup queries
2157	# get handled first	2973	# get handled first
…		…
2169	} else {	2985	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2986	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	2987	}
2172	}	2988	}
2173	},	2989	},
		2990	on_exticmd => sub {
		2991	my ($ns, $buf) = @_;
		2992
		2993	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2994
		2995	if (ref $msg) {
		2996	my ($type, $reply, @payload) =
		2997	"ARRAY" eq ref $msg
		2998	? @$msg
		2999	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3000
		3001	my @reply;
		3002
		3003	if (my $cb = $EXTICMD{$type}) {
		3004	@reply = $cb->($ns, @payload);
		3005	}
		3006
		3007	$ns->ext_reply ($reply, @reply)
		3008	if $reply;
		3009
		3010	} else {
		3011	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3012	}
		3013
		3014	cf::override;
		3015	},
2174	);	3016	);
2175		3017
2176	=item $client->async (\&cb)	3018	=item $client->async (\&cb)
2177		3019
2178	Create a new coroutine, running the specified callback. The coroutine will	3020	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	3061	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3062	our $safe_hole = new Safe::Hole;
2221		3063
2222	$SIG{FPE} = 'IGNORE';	3064	$SIG{FPE} = 'IGNORE';
2223		3065
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3066	$safe->permit_only (Opcode::opset qw(
		3067	:base_core :base_mem :base_orig :base_math
		3068	grepstart grepwhile mapstart mapwhile
		3069	sort time
		3070	));
2225		3071
2226	# here we export the classes and methods available to script code	3072	# here we export the classes and methods available to script code
2227		3073
2228	=pod	3074	=pod
2229		3075
2230	The following functions and methods are available within a safe environment:	3076	The following functions and methods are available within a safe environment:
2231		3077
2232	cf::object contr pay_amount pay_player map	3078	cf::object
		3079	contr pay_amount pay_player map x y force_find force_add destroy
		3080	insert remove name archname title slaying race decrease split
		3081	value
		3082
2233	cf::object::player player	3083	cf::object::player
2234	cf::player peaceful	3084	player
2235	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2236		3091
2237	=cut	3092	=cut
2238		3093
2239	for (	3094	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp value msg lore send_msg)],
2241	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful send_msg)],
2243	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2244	) {	3101	) {
2245	no strict 'refs';	3102	no strict 'refs';
2246	my ($pkg, @funs) = @$_;	3103	my ($pkg, @funs) = @$_;
2247	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2264	my ($code, %vars) = @_;	3121	my ($code, %vars) = @_;
2265		3122
2266	my $qcode = $code;	3123	my $qcode = $code;
2267	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3124	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2268	$qcode =~ s/\n/\\n/g;	3125	$qcode =~ s/\n/\\n/g;
		3126
		3127	%vars = (_dummy => 0) unless %vars;
2269		3128
2270	local $_;	3129	local $_;
2271	local @safe::cf::_safe_eval_args = values %vars;	3130	local @safe::cf::_safe_eval_args = values %vars;
2272		3131
2273	my $eval =	3132	my $eval =
…		…
2316	=back	3175	=back
2317		3176
2318	=cut	3177	=cut
2319		3178
2320	#############################################################################	3179	#############################################################################
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 $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	3180	# the server's init and main functions
2496		3181
2497	sub load_facedata($) {	3182	sub load_facedata($) {
2498	my ($path) = @_;	3183	my ($path) = @_;
		3184
		3185	# HACK to clear player env face cache, we need some signal framework
		3186	# for this (global event?)
		3187	%ext::player_env::MUSIC_FACE_CACHE = ();
		3188
		3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499		3190
2500	warn "loading facedata from $path\n";	3191	warn "loading facedata from $path\n";
2501		3192
2502	my $facedata;	3193	my $facedata;
2503	0 < aio_load $path, $facedata	3194	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3197	$facedata = Coro::Storable::thaw $facedata;
2507		3198
2508	$facedata->{version} == 2	3199	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3201
		3202	# patch in the exptable
		3203	$facedata->{resource}{"res/exp_table"} = {
		3204	type => FT_RSRC,
		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3206	};
		3207	cf::cede_to_tick;
		3208
2511	{	3209	{
2512	my $faces = $facedata->{faceinfo};	3210	my $faces = $facedata->{faceinfo};
2513		3211
2514	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3215	cf::face::set_visibility $idx, $info->{visibility};
		3216	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	3219
		3220	cf::cede_to_tick;
2520	}	3221	}
2521		3222
2522	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2524	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2525	or next;	3227	or next;
		3228
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
		3230	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3232	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3234	}
2531	Coro::cede;	3235
		3236	cf::cede_to_tick;
2532	}	3237	}
2533	}	3238	}
2534		3239
2535	{	3240	{
2536	my $anims = $facedata->{animinfo};	3241	my $anims = $facedata->{animinfo};
2537		3242
2538	while (my ($anim, $info) = each %$anims) {	3243	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3245	cf::cede_to_tick;
2541	}	3246	}
2542		3247
2543	cf::anim::invalidate_all; # d'oh	3248	cf::anim::invalidate_all; # d'oh
2544	}	3249	}
2545		3250
		3251	{
		3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
		3255
		3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
		3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
		3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
		3279
		3280	cf::cede_to_tick;
		3281	}
		3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3285
2546	1	3286	1
2547	}	3287	}
2548		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
		3308
		3309	register_exticmd fx_want => sub {
		3310	my ($ns, $want) = @_;
		3311
		3312	while (my ($k, $v) = each %$want) {
		3313	$ns->fx_want ($k, $v);
		3314	}
		3315	};
		3316
		3317	sub load_resource_file($) {
		3318	my $guard = lock_acquire "load_resource_file";
		3319
		3320	my $status = load_resource_file_ $_[0];
		3321	get_slot 0.1, 100;
		3322	cf::arch::commit_load;
		3323
		3324	$status
		3325	}
		3326
2549	sub reload_regions {	3327	sub reload_regions {
		3328	# HACK to clear player env face cache, we need some signal framework
		3329	# for this (global event?)
		3330	%ext::player_env::MUSIC_FACE_CACHE = ();
		3331
2550	load_resource_file "$MAPDIR/regions"	3332	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3333	or die "unable to load regions file\n";
		3334
		3335	for (cf::region::list) {
		3336	$_->{match} = qr/$_->{match}/
		3337	if exists $_->{match};
		3338	}
2552	}	3339	}
2553		3340
2554	sub reload_facedata {	3341	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3342	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3343	or die "unable to load facedata\n";
…		…
2567	}	3354	}
2568		3355
2569	sub reload_resources {	3356	sub reload_resources {
2570	warn "reloading resource files...\n";	3357	warn "reloading resource files...\n";
2571		3358
2572	reload_regions;
2573	reload_facedata;	3359	reload_facedata;
2574	reload_archetypes;	3360	reload_archetypes;
		3361	reload_regions;
2575	reload_treasures;	3362	reload_treasures;
2576		3363
2577	warn "finished reloading resource files\n";	3364	warn "finished reloading resource files\n";
2578	}	3365	}
2579		3366
2580	sub init {	3367	sub reload_config {
2581	reload_resources;
2582	}
2583
2584	sub cfg_load {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3369	or return;
2587		3370
2588	local $/;	3371	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3372	*CFG = YAML::Load <$fh>;
2590		3373
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2592		3375
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3376	$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};	3377	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2600	};	3383	};
2601	warn $@ if $@;	3384	warn $@ if $@;
2602	}	3385	}
2603	}	3386	}
2604		3387
		3388	sub pidfile() {
		3389	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3390	or die "$PIDFILE: $!";
		3391	flock $fh, &Fcntl::LOCK_EX
		3392	or die "$PIDFILE: flock: $!";
		3393	$fh
		3394	}
		3395
		3396	# make sure only one server instance is running at any one time
		3397	sub atomic {
		3398	my $fh = pidfile;
		3399
		3400	my $pid = <$fh>;
		3401	kill 9, $pid if $pid > 0;
		3402
		3403	seek $fh, 0, 0;
		3404	print $fh $$;
		3405	}
		3406
		3407	sub main_loop {
		3408	warn "EV::loop starting\n";
		3409	if (1) {
		3410	EV::loop;
		3411	}
		3412	warn "EV::loop returned\n";
		3413	goto &main_loop unless $REALLY_UNLOOP;
		3414	}
		3415
2605	sub main {	3416	sub main {
		3417	cf::init_globals; # initialise logging
		3418
		3419	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3420	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3421	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3422	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3423
		3424	cf::init_experience;
		3425	cf::init_anim;
		3426	cf::init_attackmess;
		3427	cf::init_dynamic;
		3428
		3429	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3430
2606	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3434	(async {
2610	Event::one_event;	3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3436	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3437	})->prio (Coro::PRIO_MAX);
2612	};	3438	};
2613		3439
2614	cfg_load;	3440	evthread_start IO::AIO::poll_fileno;
		3441
		3442	cf::sync_job {
		3443	reload_resources;
		3444	reload_config;
2615	db_init;	3445	db_init;
		3446
		3447	cf::load_settings;
		3448	cf::load_materials;
		3449	cf::init_uuid;
		3450	cf::init_signals;
		3451	cf::init_commands;
		3452	cf::init_skills;
		3453
		3454	cf::init_beforeplay;
		3455
		3456	atomic;
		3457
2616	load_extensions;	3458	load_extensions;
2617		3459
2618	$TICK_WATCHER->start;	3460	utime time, time, $RUNTIMEFILE;
2619	Event::loop;	3461
		3462	# no (long-running) fork's whatsoever before this point(!)
		3463	use POSIX ();
		3464	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3465
		3466	(pop @POST_INIT)->(0) while @POST_INIT;
		3467	};
		3468
		3469	main_loop;
2620	}	3470	}
2621		3471
2622	#############################################################################	3472	#############################################################################
2623	# initialisation and cleanup	3473	# initialisation and cleanup
2624		3474
2625	# install some emergency cleanup handlers	3475	# install some emergency cleanup handlers
2626	BEGIN {	3476	BEGIN {
		3477	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3478	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3479	$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";	3480	cf::cleanup "SIG$signal";
2635	},
2636	);	3481	};
		3482	}
		3483	}
		3484
		3485	sub write_runtime_sync {
		3486	# first touch the runtime file to show we are still running:
		3487	# the fsync below can take a very very long time.
		3488
		3489	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3490
		3491	my $guard = cf::lock_acquire "write_runtime";
		3492
		3493	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3494	or return;
		3495
		3496	my $value = $cf::RUNTIME + 90 + 10;
		3497	# 10 is the runtime save interval, for a monotonic clock
		3498	# 60 allows for the watchdog to kill the server.
		3499
		3500	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3501	and return;
		3502
		3503	# always fsync - this file is important
		3504	aio_fsync $fh
		3505	and return;
		3506
		3507	# touch it again to show we are up-to-date
		3508	aio_utime $fh, undef, undef;
		3509
		3510	close $fh
		3511	or return;
		3512
		3513	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3514	and return;
		3515
		3516	warn "runtime file written.\n";
		3517
2637	}	3518	1
		3519	}
		3520
		3521	our $uuid_lock;
		3522	our $uuid_skip;
		3523
		3524	sub write_uuid_sync($) {
		3525	$uuid_skip ||= $_[0];
		3526
		3527	return if $uuid_lock;
		3528	local $uuid_lock = 1;
		3529
		3530	my $uuid = "$LOCALDIR/uuid";
		3531
		3532	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3533	or return;
		3534
		3535	my $value = uuid_seq uuid_cur;
		3536
		3537	unless ($value) {
		3538	warn "cowardly refusing to write zero uuid value!\n";
		3539	return;
		3540	}
		3541
		3542	my $value = uuid_str $value + $uuid_skip;
		3543	$uuid_skip = 0;
		3544
		3545	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3546	and return;
		3547
		3548	# always fsync - this file is important
		3549	aio_fsync $fh
		3550	and return;
		3551
		3552	close $fh
		3553	or return;
		3554
		3555	aio_rename "$uuid~", $uuid
		3556	and return;
		3557
		3558	warn "uuid file written ($value).\n";
		3559
		3560	1
		3561
		3562	}
		3563
		3564	sub write_uuid($$) {
		3565	my ($skip, $sync) = @_;
		3566
		3567	$sync ? write_uuid_sync $skip
		3568	: async { write_uuid_sync $skip };
2638	}	3569	}
2639		3570
2640	sub emergency_save() {	3571	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3572	my $freeze_guard = cf::freeze_mainloop;
2642		3573
2643	warn "enter emergency perl save\n";	3574	warn "emergency_perl_save: enter\n";
2644		3575
2645	cf::sync_job {	3576	cf::sync_job {
		3577	# this is a trade-off: we want to be very quick here, so
		3578	# save all maps without fsync, and later call a global sync
		3579	# (which in turn might be very very slow)
		3580	local $USE_FSYNC = 0;
		3581
2646	# use a peculiar iteration method to avoid tripping on perl	3582	# use a peculiar iteration method to avoid tripping on perl
2647	# refcount bugs in for. also avoids problems with players	3583	# refcount bugs in for. also avoids problems with players
2648	# and maps saved/destroyed asynchronously.	3584	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3585	warn "emergency_perl_save: begin player save\n";
2650	for my $login (keys %cf::PLAYER) {	3586	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3587	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3588	$pl->valid or next;
		3589	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3590	$pl->save;
2654	}	3591	}
2655	warn "end emergency player save\n";	3592	warn "emergency_perl_save: end player save\n";
2656		3593
2657	warn "begin emergency map save\n";	3594	warn "emergency_perl_save: begin map save\n";
2658	for my $path (keys %cf::MAP) {	3595	for my $path (keys %cf::MAP) {
2659	my $map = $cf::MAP{$path} or next;	3596	my $map = $cf::MAP{$path} or next;
2660	$map->valid or next;	3597	$map->valid or next;
2661	$map->save;	3598	$map->save;
2662	}	3599	}
2663	warn "end emergency map save\n";	3600	warn "emergency_perl_save: end map save\n";
2664		3601
2665	warn "begin emergency database checkpoint\n";	3602	warn "emergency_perl_save: begin database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3603	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3604	warn "emergency_perl_save: end database checkpoint\n";
		3605
		3606	warn "emergency_perl_save: begin write uuid\n";
		3607	write_uuid_sync 1;
		3608	warn "emergency_perl_save: end write uuid\n";
2668	};	3609	};
2669		3610
		3611	warn "emergency_perl_save: starting sync()\n";
		3612	IO::AIO::aio_sync sub {
		3613	warn "emergency_perl_save: finished sync()\n";
		3614	};
		3615
2670	warn "leave emergency perl save\n";	3616	warn "emergency_perl_save: leave\n";
2671	}	3617	}
2672		3618
2673	sub post_cleanup {	3619	sub post_cleanup {
2674	my ($make_core) = @_;	3620	my ($make_core) = @_;
2675		3621
2676	warn Carp::longmess "post_cleanup backtrace"	3622	warn Carp::longmess "post_cleanup backtrace"
2677	if $make_core;	3623	if $make_core;
		3624
		3625	my $fh = pidfile;
		3626	unlink $PIDFILE if <$fh> == $$;
		3627	}
		3628
		3629	# a safer delete_package, copied from Symbol
		3630	sub clear_package($) {
		3631	my $pkg = shift;
		3632
		3633	# expand to full symbol table name if needed
		3634	unless ($pkg =~ /^main::.*::$/) {
		3635	$pkg = "main$pkg" if $pkg =~ /^::/;
		3636	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3637	$pkg .= '::' unless $pkg =~ /::$/;
		3638	}
		3639
		3640	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3641	my $stem_symtab = *{$stem}{HASH};
		3642
		3643	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3644	or return;
		3645
		3646	# clear all symbols
		3647	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3648	for my $name (keys %$leaf_symtab) {
		3649	_gv_clear *{"$pkg$name"};
		3650	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3651	}
		3652	warn "cleared package $pkg\n";#d#
2678	}	3653	}
2679		3654
2680	sub do_reload_perl() {	3655	sub do_reload_perl() {
2681	# can/must only be called in main	3656	# can/must only be called in main
2682	if ($Coro::current != $Coro::main) {	3657	if ($Coro::current != $Coro::main) {
2683	warn "can only reload from main coroutine";	3658	warn "can only reload from main coroutine";
2684	return;	3659	return;
2685	}	3660	}
2686		3661
		3662	return if $RELOAD++;
		3663
		3664	my $t1 = EV::time;
		3665
		3666	while ($RELOAD) {
2687	warn "reloading...";	3667	warn "reloading...";
2688		3668
2689	warn "entering sync_job";	3669	warn "entering sync_job";
2690		3670
2691	cf::sync_job {	3671	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark	3672	cf::write_runtime_sync; # external watchdog should not bark
2693	cf::emergency_save;	3673	cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark	3674	cf::write_runtime_sync; # external watchdog should not bark
2695		3675
2696	warn "syncing database to disk";	3676	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;	3677	BDB::db_env_txn_checkpoint $DB_ENV;
2698		3678
2699	# if anything goes wrong in here, we should simply crash as we already saved	3679	# if anything goes wrong in here, we should simply crash as we already saved
2700		3680
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";	3681	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;	3682	while (IO::AIO::nreqs || BDB::nreqs) {
2712	warn "iterate...";	3683	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	}	3684	}
2737		3685
2738	warn "... nuking $pkg";	3686	warn "cancelling all extension coros";
2739	Symbol::delete_package $pkg;	3687	$_->cancel for values %EXT_CORO;
2740	}	3688	%EXT_CORO = ();
2741		3689
2742	warn "unloading all perl modules loaded from $LIBDIR";	3690	warn "removing commands";
2743	while (my ($k, $v) = each %INC) {	3691	%COMMAND = ();
2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2745		3692
		3693	warn "removing ext/exti commands";
		3694	%EXTCMD = ();
		3695	%EXTICMD = ();
		3696
		3697	warn "unloading/nuking all extensions";
		3698	for my $pkg (@EXTS) {
2746	warn "... unloading $k";	3699	warn "... unloading $pkg";
2747	delete $INC{$k};
2748		3700
2749	$k =~ s/\.pm$//;
2750	$k =~ s/\//::/g;
2751
2752	if (my $cb = $k->can ("unload_module")) {	3701	if (my $cb = $pkg->can ("unload")) {
		3702	eval {
2753	$cb->();	3703	$cb->($pkg);
		3704	1
		3705	} or warn "$pkg unloaded, but with errors: $@";
		3706	}
		3707
		3708	warn "... clearing $pkg";
		3709	clear_package $pkg;
2754	}	3710	}
2755		3711
2756	Symbol::delete_package $k;	3712	warn "unloading all perl modules loaded from $LIBDIR";
		3713	while (my ($k, $v) = each %INC) {
		3714	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3715
		3716	warn "... unloading $k";
		3717	delete $INC{$k};
		3718
		3719	$k =~ s/\.pm$//;
		3720	$k =~ s/\//::/g;
		3721
		3722	if (my $cb = $k->can ("unload_module")) {
		3723	$cb->();
		3724	}
		3725
		3726	clear_package $k;
2757	}	3727	}
2758		3728
2759	warn "getting rid of safe::, as good as possible";	3729	warn "getting rid of safe::, as good as possible";
2760	Symbol::delete_package "safe::$_"	3730	clear_package "safe::$_"
2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3731	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2762		3732
2763	warn "unloading cf.pm \"a bit\"";	3733	warn "unloading cf.pm \"a bit\"";
2764	delete $INC{"cf.pm"};	3734	delete $INC{"cf.pm"};
2765	delete $INC{"cf/pod.pm"};	3735	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2766		3736
2767	# don't, removes xs symbols, too,	3737	# don't, removes xs symbols, too,
2768	# and global variables created in xs	3738	# and global variables created in xs
2769	#Symbol::delete_package __PACKAGE__;	3739	#clear_package __PACKAGE__;
2770		3740
2771	warn "unload completed, starting to reload now";	3741	warn "unload completed, starting to reload now";
2772		3742
2773	warn "reloading cf.pm";	3743	warn "reloading cf.pm";
2774	require cf;	3744	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3745	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3746
2777	warn "loading config and database again";	3747	warn "loading config and database again";
2778	cf::cfg_load;	3748	cf::reload_config;
2779		3749
2780	warn "loading extensions";	3750	warn "loading extensions";
2781	cf::load_extensions;	3751	cf::load_extensions;
2782		3752
		3753	if ($REATTACH_ON_RELOAD) {
2783	warn "reattaching attachments to objects/players";	3754	warn "reattaching attachments to objects/players";
2784	_global_reattach; # objects, sockets	3755	_global_reattach; # objects, sockets
2785	warn "reattaching attachments to maps";	3756	warn "reattaching attachments to maps";
2786	reattach $_ for values %MAP;	3757	reattach $_ for values %MAP;
2787	warn "reattaching attachments to players";	3758	warn "reattaching attachments to players";
2788	reattach $_ for values %PLAYER;	3759	reattach $_ for values %PLAYER;
		3760	}
2789		3761
		3762	warn "running post_init jobs";
		3763	(pop @POST_INIT)->(1) while @POST_INIT;
		3764
2790	warn "leaving sync_job";	3765	warn "leaving sync_job";
2791		3766
2792	1	3767	1
2793	} or do {	3768	} or do {
2794	warn $@;	3769	warn $@;
2795	warn "error while reloading, exiting.";	3770	cf::cleanup "error while reloading, exiting.";
2796	exit 1;
2797	};	3771	};
2798		3772
2799	warn "reloaded";	3773	warn "reloaded";
		3774	--$RELOAD;
		3775	}
		3776
		3777	$t1 = EV::time - $t1;
		3778	warn "reload completed in ${t1}s\n";
2800	};	3779	};
2801		3780
2802	our $RELOAD_WATCHER; # used only during reload	3781	our $RELOAD_WATCHER; # used only during reload
2803		3782
2804	sub reload_perl() {	3783	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	3784	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	3785	# coro crashes during coro_state_free->destroy here.
2807		3786
2808	$RELOAD_WATCHER ||= Event->timer (	3787	$RELOAD_WATCHER ||= cf::async {
2809	reentrant => 0,	3788	Coro::AIO::aio_wait cache_extensions;
2810	after => 0,	3789
2811	data => WF_AUTOCANCEL,	3790	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2812	cb => sub {
2813	do_reload_perl;	3791	do_reload_perl;
2814	undef $RELOAD_WATCHER;	3792	undef $RELOAD_WATCHER;
2815	},	3793	};
2816	);	3794	};
2817	}	3795	}
2818		3796
2819	register_command "reload" => sub {	3797	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3798	my ($who, $arg) = @_;
2821		3799
2822	if ($who->flag (FLAG_WIZ)) {	3800	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3801	$who->message ("reloading server.");
		3802	async {
		3803	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3804	reload_perl;
		3805	};
2825	}	3806	}
2826	};	3807	};
2827		3808
2828	unshift @INC, $LIBDIR;	3809	unshift @INC, $LIBDIR;
2829		3810
…		…
2831		3812
2832	our @WAIT_FOR_TICK;	3813	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	3814	our @WAIT_FOR_TICK_BEGIN;
2834		3815
2835	sub wait_for_tick {	3816	sub wait_for_tick {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3817	return if tick_inhibit || $Coro::current == $Coro::main;
2838		3818
2839	my $signal = new Coro::Signal;	3819	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	3820	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	3821	$signal->wait;
2842	}	3822	}
2843		3823
2844	sub wait_for_tick_begin {	3824	sub wait_for_tick_begin {
2845	return unless $TICK_WATCHER->is_active;
2846	return if $Coro::current == $Coro::main;	3825	return if tick_inhibit || $Coro::current == $Coro::main;
2847		3826
2848	my $signal = new Coro::Signal;	3827	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	3828	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	3829	$signal->wait;
2851	}	3830	}
2852		3831
2853	$TICK_WATCHER = Event->timer (	3832	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) {	3833	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3834	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	3835	unless ++$bug_warning > 10;
2863	return;	3836	return;
2864	}	3837	}
2865		3838
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	3839	cf::server_tick; # one server iteration
2869		3840
2870	$RUNTIME += $TICK;
2871	$NEXT_TICK += $TICK;
2872
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3841	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3842	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	3843	Coro::async_pool {
		3844	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3845	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	3846	or warn "ERROR: unable to write runtime file: $!";
2878	};
2879	}	3847	};
		3848	}
2880		3849
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3851	$sig->send;
2886	}	3852	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3853	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3854	$sig->send;
2889	}	3855	}
2890		3856
2891	$NOW = Event::time;	3857	$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;	3858	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3859
2902	_post_tick;	3860	if (0) {
2903		3861	if ($NEXT_TICK) {
2904		3862	my $jitter = $TICK_START - $NEXT_TICK;
		3863	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3864	warn "jitter $JITTER\n";#d#
		3865	}
2905	},	3866	}
2906	);	3867	}
2907		3868
2908	{	3869	{
2909	BDB::max_poll_time $TICK * 0.1;	3870	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	3871
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;	3872	BDB::min_parallel 8;
2919		3873	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	3874	$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		3875
2935	unless ($DB_ENV) {	3876	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	3877	$DB_ENV = BDB::db_env_create;
		3878	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3879	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3880	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3881	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3882	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		3883
2938	cf::sync_job {	3884	cf::sync_job {
2939	eval {	3885	eval {
2940	BDB::db_env_open	3886	BDB::db_env_open
2941	$DB_ENV,	3887	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3889	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3890	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	3891	0666;
2946		3892
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3893	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	};	3894	};
2952		3895
2953	cf::cleanup "db_env_open(db): $@" if $@;	3896	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	3897	};
2955	}	3898	}
		3899
		3900	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3901	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3902	};
		3903	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3904	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3905	};
		3906	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3907	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3908	};
2956	}	3909	}
2957		3910
2958	{	3911	{
		3912	# configure IO::AIO
		3913
2959	IO::AIO::min_parallel 8;	3914	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	3915	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	3916	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	}	3917	}
2972		3918
2973	my $_log_backtrace;	3919	my $_log_backtrace;
2974		3920
2975	sub _log_backtrace {	3921	sub _log_backtrace {
…		…
2978	$msg =~ s/\n//;	3924	$msg =~ s/\n//;
2979		3925
2980	# limit the # of concurrent backtraces	3926	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	3927	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	3928	++$_log_backtrace;
		3929	my $perl_bt = Carp::longmess $msg;
2983	async {	3930	async {
		3931	$Coro::current->{desc} = "abt $msg";
		3932
2984	my @bt = fork_call {	3933	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	3934	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3935	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3936	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	3937	or die "addr2line: $!";
…		…
2996	}	3945	}
2997		3946
2998	@funcs	3947	@funcs
2999	};	3948	};
3000		3949
3001	LOG llevInfo, "[ABT] $msg\n";	3950	LOG llevInfo, "[ABT] $perl_bt\n";
		3951	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3002	LOG llevInfo, "[ABT] $_\n" for @bt;	3952	LOG llevInfo, "[ABT] $_\n" for @bt;
3003	--$_log_backtrace;	3953	--$_log_backtrace;
3004	};	3954	};
3005	} else {	3955	} else {
3006	LOG llevInfo, "[ABT] $msg\n";	3956	LOG llevInfo, "[ABT] $msg\n";
3007	LOG llevInfo, "[ABT] [suppressed]\n";	3957	LOG llevInfo, "[ABT] [suppressed]\n";
3008	}	3958	}
3009	}	3959	}
3010		3960
3011	# load additional modules	3961	# load additional modules
3012	use cf::pod;	3962	require "cf/$_.pm" for @EXTRA_MODULES;
3013		3963
3014	END { cf::emergency_save }	3964	END { cf::emergency_save }
3015		3965
3016	1	3966	1
3017		3967

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