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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.463 by root, Sun Dec 28 06:59:27 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		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
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		76
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		78
49	our %COMMAND = ();	79	our %COMMAND = ();
50	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
51		81
52	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
56		87
57	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	89	our @EVENT;
59		90
60	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	92	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
71		106
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	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	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	109	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	115	our $DB_ENV;
82		116
83	our %CFG;	117	our %CFG;
84		118
85	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
87		122
88	our %PLAYER; # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
91		126
92	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		129
		130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
		133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
		138
95	binmode STDOUT;	139	binmode STDOUT;
96	binmode STDERR;	140	binmode STDERR;
97		141
98	# read virtual server time, if available	142	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	144	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
103	}	147	}
104		148
105	mkdir $_	149	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
139		183
140	=item $cf::TICK	184	=item $cf::TICK
141		185
142	The interval between server ticks, in seconds.	186	The interval between server ticks, in seconds.
143		187
		188	=item $cf::LOADAVG
		189
		190	The current CPU load on the server (alpha-smoothed), as a value between 0
		191	(none) and 1 (overloaded), indicating how much time is spent on processing
		192	objects per tick. Healthy values are < 0.5.
		193
		194	=item $cf::LOAD
		195
		196	The raw value load value from the last tick.
		197
144	=item %cf::CFG	198	=item %cf::CFG
145		199
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	201	from wherever your confdir points to.
148		202
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		204
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	206	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	207	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		208
		209	=item @cf::INVOKE_RESULTS
		210
		211	This array contains the results of the last C<invoke ()> call. When
		212	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		213	that call.
		214
155	=back	215	=back
156		216
157	=cut	217	=cut
158		218
159	BEGIN {	219	BEGIN {
…		…
163	$msg .= "\n"	223	$msg .= "\n"
164	unless $msg =~ /\n$/;	224	unless $msg =~ /\n$/;
165		225
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		227
168	utf8::encode $msg;
169	LOG llevError, $msg;	228	LOG llevError, $msg;
170	};	229	};
171	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
172		246
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	251	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		252	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	253	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		254
180	# we bless all objects into (empty) derived classes to force a method lookup	255	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	256	# within the Safe compartment.
182	for my $pkg (qw(	257	for my $pkg (qw(
183	cf::global cf::attachable	258	cf::global cf::attachable
184	cf::object cf::object::player	259	cf::object cf::object::player
185	cf::client cf::player	260	cf::client cf::player
186	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
187	cf::map cf::party cf::region	263	cf::party cf::region
188	)) {	264	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	266	}
192		267
193	$Event::DIED = sub {	268	$EV::DIED = sub {
194	warn "error in event callback: @_";	269	warn "error in event callback: @_";
195	};	270	};
		271
		272	#############################################################################
196		273
197	=head2 UTILITY FUNCTIONS	274	=head2 UTILITY FUNCTIONS
198		275
199	=over 4	276	=over 4
200		277
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	297	$d
221	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
222	}	299	}
223		300
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
227		302
228	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
229		304
230	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
231		306
232	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
233		308
		309	=cut
		310
		311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		312
		313	sub encode_json($) { $json_coder->encode ($_[0]) }
		314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
		328	}
		329
234	=item cf::lock_wait $string	330	=item cf::lock_wait $string
235		331
236	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
237		333
238	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
239		335
240	Wait until the given lock is available and then acquires it and returns	336	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	337	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
243	returned.	339	returned.
244		340
		341	Locks are *not* recursive, locking from the same coro twice results in a
		342	deadlocked coro.
		343
245	Lock names should begin with a unique identifier (for example, cf::map::find	344	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	345	uses map_find and cf::map::load uses map_load).
247		346
248	=item $locked = cf::lock_active $string	347	=item $locked = cf::lock_active $string
249		348
250	Return true if the lock is currently active, i.e. somebody has locked it.	349	Return true if the lock is currently active, i.e. somebody has locked it.
251		350
252	=cut	351	=cut
253		352
254	our %LOCK;	353	our $LOCKS = new Coro::SemaphoreSet;
255		354
256	sub lock_wait($) {	355	sub lock_wait($) {
257	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	357	}
265		358
266	sub lock_acquire($) {	359	sub lock_acquire($) {
267	my ($key) = @_;	360	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	361	}
279		362
280	sub lock_active($) {	363	sub lock_active($) {
281	my ($key) = @_;	364	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	365	}
285		366
286	sub freeze_mainloop {	367	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
288		369
289	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	371	}
		372
		373	=item cf::periodic $interval, $cb
		374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
		386	}
		387
		388	=item cf::get_slot $time[, $priority[, $name]]
		389
		390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		391	This call blocks and returns only when you have at least C<$time> seconds
		392	of cpu time till the next tick. The slot is only valid till the next cede.
		393
		394	The optional C<$name> can be used to identify the job to run. It might be
		395	used for statistical purposes and should identify the same time-class.
		396
		397	Useful for short background jobs.
		398
		399	=cut
		400
		401	our @SLOT_QUEUE;
		402	our $SLOT_QUEUE;
		403
		404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		405	$SLOT_QUEUE = Coro::async {
		406	$Coro::current->desc ("timeslot manager");
		407
		408	my $signal = new Coro::Signal;
		409
		410	while () {
		411	next_job:
		412	my $avail = cf::till_tick;
		413	if ($avail > 0.01) {
		414	for (0 .. $#SLOT_QUEUE) {
		415	if ($SLOT_QUEUE[$_][0] < $avail) {
		416	my $job = splice @SLOT_QUEUE, $_, 1, ();
		417	$job->[2]->send;
		418	Coro::cede;
		419	goto next_job;
		420	}
		421	}
		422	}
		423
		424	if (@SLOT_QUEUE) {
		425	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		426	push @cf::WAIT_FOR_TICK, $signal;
		427	$signal->wait;
		428	} else {
		429	Coro::schedule;
		430	}
291	};	431	}
292	$TICK_WATCHER->stop;	432	};
293	$guard	433
		434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
		437	my ($time, $pri, $name) = @_;
		438
		439	$time = $TICK * .6 if $time > $TICK * .6;
		440	my $sig = new Coro::Signal;
		441
		442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		444	$SLOT_QUEUE->ready;
		445	$sig->wait;
294	}	446	}
295		447
296	=item cf::async { BLOCK }	448	=item cf::async { BLOCK }
297		449
298	Currently the same as Coro::async_pool, meaning you cannot use	450	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		455
304	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
305		457
306	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
307		459
308	The design of crossfire+ requires that the main coro ($Coro::main) is	460	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	461	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		463	acceptable.
311		464
312	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	467	server will be frozen during this time, so the block should either finish
315	fast or be very important.	468	fast or be very important.
…		…
318		471
319	sub sync_job(&) {	472	sub sync_job(&) {
320	my ($job) = @_;	473	my ($job) = @_;
321		474
322	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
		476	my $time = EV::time;
		477
323	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
325		480
326	# TODO: use suspend/resume instead	481	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	482
328	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
329		484
330	my $busy = 1;	485	my $busy = 1;
331	my @res;	486	my @res;
332		487
333	(async {	488	(async {
		489	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	490	@res = eval { $job->() };
335	warn $@ if $@;	491	warn $@ if $@;
336	undef $busy;	492	undef $busy;
337	})->prio (Coro::PRIO_MAX);	493	})->prio (Coro::PRIO_MAX);
338		494
339	while ($busy) {	495	while ($busy) {
340	Coro::cede or Event::one_event;	496	if (Coro::nready) {
		497	Coro::cede_notself;
		498	} else {
		499	EV::loop EV::LOOP_ONESHOT;
341	}	500	}
		501	}
		502
		503	my $time = EV::time - $time;
		504
		505	$TICK_START += $time; # do not account sync jobs to server load
342		506
343	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
344	} else {	508	} else {
345	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
346		510
…		…
366	$EXT_CORO{$coro+0} = $coro;	530	$EXT_CORO{$coro+0} = $coro;
367		531
368	$coro	532	$coro
369	}	533	}
370		534
371	sub write_runtime {	535	=item fork_call { }, $args
372	my $runtime = "$LOCALDIR/runtime";
373		536
374	# first touch the runtime file to show we are still running:	537	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	538	process, returning the results. Everything must be serialisable with
		539	Coro::Storable. May, of course, block. Note that the executed sub may
		540	never block itself or use any form of event handling.
376		541
377	warn "touching runtime...\n";#d#	542	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	543
379	utime undef, undef, $fh;	544	sub fork_call(&@) {
		545	my ($cb, @args) = @_;
		546
		547	# we seemingly have to make a local copy of the whole thing,
		548	# otherwise perl prematurely frees the stuff :/
		549	# TODO: investigate and fix (likely this will be rather laborious)
		550
		551	my @res = Coro::Util::fork_eval {
		552	reset_signals;
		553	&$cb
		554	}, @args;
		555
		556	wantarray ? @res : $res[-1]
		557	}
		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
		584	}
		585
		586	=item $value = cf::db_get $family => $key
		587
		588	Returns a single value from the environment database.
		589
		590	=item cf::db_put $family => $key => $value
		591
		592	Stores the given C<$value> in the family. It can currently store binary
		593	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		594
		595	=item $db = cf::db_table "name"
		596
		597	Create and/or open a new database table. The string must not be "db" and must be unique
		598	within each server.
		599
		600	=cut
		601
		602	sub db_table($) {
		603	my ($name) = @_;
		604	my $db = BDB::db_create $DB_ENV;
		605
		606	eval {
		607	$db->set_flags (BDB::CHKSUM);
		608
		609	utf8::encode $name;
		610	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		611	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		612	cf::cleanup "db_open(db): $!" if $!;
380	}	613	};
		614	cf::cleanup "db_open(db): $@" if $@;
381		615
382	my $guard = cf::lock_acquire "write_runtime";	616	$db
		617	}
383		618
384	warn "starting to write runtime...\n";#d#	619	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		620
388	my $value = $cf::RUNTIME + 90 + 10;	621	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	622	cf::sync_job {
390	# 60 allows for the watchdog to kill the server.	623	$DB ||= db_table "db";
		624	};
		625	}
391		626
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	627	sub db_get($$) {
393	and return;	628	my $key = "$_[0]/$_[1]";
394		629
395	# always fsync - this file is important	630	cf::sync_job {
396	aio_fsync $fh	631	BDB::db_get $DB, undef, $key, my $data;
397	and return;
398		632
399	# touch it again to show we are up-to-date	633	$! ? ()
400	utime undef, undef, $fh;	634	: $data
401
402	close $fh
403	or return;
404
405	aio_rename "$runtime~", $runtime
406	and return;
407
408	warn "... done writing runtime.\n";#d#
409
410	1	635	}
		636	}
		637
		638	sub db_put($$$) {
		639	BDB::dbreq_pri 4;
		640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		641	}
		642
		643	=item cf::cache $id => [$paths...], $processversion => $process
		644
		645	Generic caching function that returns the value of the resource $id,
		646	caching and regenerating as required.
		647
		648	This function can block.
		649
		650	=cut
		651
		652	sub cache {
		653	my ($id, $src, $processversion, $process) = @_;
		654
		655	my $meta =
		656	join "\x00",
		657	$processversion,
		658	map {
		659	aio_stat $_
		660	and Carp::croak "$_: $!";
		661
		662	($_, (stat _)[7,9])
		663	} @$src;
		664
		665	my $dbmeta = db_get cache => "$id/meta";
		666	if ($dbmeta ne $meta) {
		667	# changed, we may need to process
		668
		669	my @data;
		670	my $md5;
		671
		672	for (0 .. $#$src) {
		673	0 <= aio_load $src->[$_], $data[$_]
		674	or Carp::croak "$src->[$_]: $!";
		675	}
		676
		677	# if processing is expensive, check
		678	# checksum first
		679	if (1) {
		680	$md5 =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	cf::cede_to_tick;
		685	($src->[$_], Digest::MD5::md5_hex $data[$_])
		686	} 0.. $#$src;
		687
		688
		689	my $dbmd5 = db_get cache => "$id/md5";
		690	if ($dbmd5 eq $md5) {
		691	db_put cache => "$id/meta", $meta;
		692
		693	return db_get cache => "$id/data";
		694	}
		695	}
		696
		697	my $t1 = Time::HiRes::time;
		698	my $data = $process->(\@data);
		699	my $t2 = Time::HiRes::time;
		700
		701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		702
		703	db_put cache => "$id/data", $data;
		704	db_put cache => "$id/md5" , $md5;
		705	db_put cache => "$id/meta", $meta;
		706
		707	return $data;
		708	}
		709
		710	db_get cache => "$id/data"
411	}	711	}
412		712
413	=item cf::datalog type => key => value, ...	713	=item cf::datalog type => key => value, ...
414		714
415	Log a datalog packet of the given type with the given key-value pairs.	715	Log a datalog packet of the given type with the given key-value pairs.
…		…
427		727
428	#############################################################################	728	#############################################################################
429		729
430	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
431		731
432	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
433	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
434	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
435		735
436	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
437	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
438	crossfire+).	738	Deliantra).
439		739
440	=over 4	740	=over 4
441		741
442	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
443		743
…		…
487	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
488		788
489	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
490	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
491		791
492	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
493	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
494		794
495	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
496		796
497	=over 4	797	=over 4
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	906	$registry = $CB_TYPE[$object_type] ||= [];
607		907
608	} elsif ($type eq "subtype") {	908	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	909	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	910	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	911	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		912
613	} elsif ($type eq "package") {	913	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	914	my $pkg = shift @arg;
615		915
616	while (my ($name, $id) = each %cb_id) {	916	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	945	_attach $registry, $klass, @attach;
646	}	946	}
647		947
648	$obj->{$name} = \%arg;	948	$obj->{$name} = \%arg;
649	} else {	949	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	950	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	951	}
652		952
653	$obj->{_attachment}{$name} = undef;	953	$obj->{_attachment}{$name} = undef;
654	}	954	}
655		955
…		…
657	if (ref $_[0]) {	957	if (ref $_[0]) {
658	_object_attach @_;	958	_object_attach @_;
659	} else {	959	} else {
660	_attach shift->_attach_registry, @_;	960	_attach shift->_attach_registry, @_;
661	}	961	}
		962	_recalc_want;
662	};	963	};
663		964
664	# all those should be optimised	965	# all those should be optimised
665	sub cf::attachable::detach {	966	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	967	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	970	delete $obj->{_attachment}{$name};
670	reattach ($obj);	971	reattach ($obj);
671	} else {	972	} else {
672	Carp::croak "cannot, currently, detach class attachments";	973	Carp::croak "cannot, currently, detach class attachments";
673	}	974	}
		975	_recalc_want;
674	};	976	};
675		977
676	sub cf::attachable::attached {	978	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	979	my ($obj, $name) = @_;
678		980
…		…
693	";	995	";
694	die if $@;	996	die if $@;
695	}	997	}
696		998
697	our $override;	999	our $override;
698	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1000	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699		1001
700	sub override {	1002	sub override {
701	$override = 1;	1003	$override = 1;
702	@invoke_results = ();	1004	@INVOKE_RESULTS = (@_);
703	}	1005	}
704		1006
705	sub do_invoke {	1007	sub do_invoke {
706	my $event = shift;	1008	my $event = shift;
707	my $callbacks = shift;	1009	my $callbacks = shift;
708		1010
709	@invoke_results = ();	1011	@INVOKE_RESULTS = ();
710		1012
711	local $override;	1013	local $override;
712		1014
713	for (@$callbacks) {	1015	for (@$callbacks) {
714	eval { &{$_->[1]} };	1016	eval { &{$_->[1]} };
…		…
723	}	1025	}
724		1026
725	0	1027	0
726	}	1028	}
727		1029
728	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
729		1031
730	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
731		1033
732	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
733		1035
734	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1036	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735	removed in future versions), and there is no public API to access override	1037	removed in future versions), and there is no public API to access override
736	results (if you must, access C<@cf::invoke_results> directly).	1038	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		1039
738	=back	1040	=back
739		1041
740	=cut	1042	=cut
741		1043
742	#############################################################################	1044	#############################################################################
743	# object support	1045	# object support
		1046
		1047	sub _object_equal($$);
		1048	sub _object_equal($$) {
		1049	my ($a, $b) = @_;
		1050
		1051	return 0 unless (ref $a) eq (ref $b);
		1052
		1053	if ("HASH" eq ref $a) {
		1054	my @ka = keys %$a;
		1055	my @kb = keys %$b;
		1056
		1057	return 0 if @ka != @kb;
		1058
		1059	for (0 .. $#ka) {
		1060	return 0 unless $ka[$_] eq $kb[$_];
		1061	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1062	}
		1063
		1064	} elsif ("ARRAY" eq ref $a) {
		1065
		1066	return 0 if @$a != @$b;
		1067
		1068	for (0 .. $#$a) {
		1069	return 0 unless _object_equal $a->[$_], $b->[$_];
		1070	}
		1071
		1072	} elsif ($a ne $b) {
		1073	return 0;
		1074	}
		1075
		1076	1
		1077	}
		1078
		1079	our $SLOW_MERGES;#d#
		1080	sub _can_merge {
		1081	my ($ob1, $ob2) = @_;
		1082
		1083	++$SLOW_MERGES;#d#
		1084
		1085	# we do the slow way here
		1086	return _object_equal $ob1, $ob2
		1087	}
744		1088
745	sub reattach {	1089	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	1091	my ($obj) = @_;
748		1092
		1093	# no longer needed after getting rid of delete_package?
749	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
750		1095
751	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
752		1097
753	@$registry = ();	1098	@$registry = ();
754		1099
…		…
769	cf::attachable->attach (	1114	cf::attachable->attach (
770	prio => -1000000,	1115	prio => -1000000,
771	on_instantiate => sub {	1116	on_instantiate => sub {
772	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
773		1118
774	$data = from_json $data;	1119	$data = decode_json $data;
775		1120
776	for (@$data) {	1121	for (@$data) {
777	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
778		1123
779	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
795	sub object_freezer_save {	1140	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1141	my ($filename, $rdata, $objs) = @_;
797		1142
798	sync_job {	1143	sync_job {
799	if (length $$rdata) {	1144	if (length $$rdata) {
		1145	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
802		1148
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
807	close $fh;	1153	aio_close $fh;
808		1154
809	if (@$objs) {	1155	if (@$objs) {
810	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
811	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
812	my $data = Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
814	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
815	close $fh;	1161	aio_close $fh;
816	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
817	}	1163	}
818	} else {	1164	} else {
819	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
820	}	1166	}
821		1167
822	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
823	} else {	1172	} else {
824	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
825	}	1174	}
826	} else {	1175	} else {
827	aio_unlink $filename;	1176	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
829	}	1178	}
830	}	1179	};
831	}	1180	}
832		1181
833	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
835		1184
…		…
847	or return;	1196	or return;
848		1197
849	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
851	or return;	1200	or return;
		1201
852	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
853	}	1204	}
854		1205
		1206	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1208	$decname, length $data, scalar @{$av || []};
		1209
857	return ($data, $av);	1210	($data, $av)
858	}	1211	}
		1212
		1213	=head2 COMMAND CALLBACKS
		1214
		1215	=over 4
		1216
		1217	=cut
859		1218
860	#############################################################################	1219	#############################################################################
861	# command handling &c	1220	# command handling &c
862		1221
863	=item cf::register_command $name => \&callback($ob,$args);	1222	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1235	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1236	}
878		1237
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1238	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1239
881	Register a callbackf ro execution when the client sends an extcmd packet.	1240	Register a callback for execution when the client sends an (synchronous)
		1241	extcmd packet. Ext commands will be processed in the order they are
		1242	received by the server, like other user commands. The first argument is
		1243	the logged-in player. Ext commands can only be processed after a player
		1244	has logged in successfully.
882		1245
883	If the callback returns something, it is sent back as if reply was being	1246	If the callback returns something, it is sent back as if reply was being
884	called.	1247	called.
885		1248
		1249	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1250
		1251	Register a callback for execution when the client sends an (asynchronous)
		1252	exticmd packet. Exti commands are processed by the server as soon as they
		1253	are received, i.e. out of order w.r.t. other commands. The first argument
		1254	is a client socket. Exti commands can be received anytime, even before
		1255	log-in.
		1256
		1257	If the callback returns something, it is sent back as if reply was being
		1258	called.
		1259
886	=cut	1260	=cut
887		1261
888	sub register_extcmd {	1262	sub register_extcmd {
889	my ($name, $cb) = @_;	1263	my ($name, $cb) = @_;
890		1264
891	$EXTCMD{$name} = $cb;	1265	$EXTCMD{$name} = $cb;
892	}	1266	}
		1267
		1268	sub register_exticmd {
		1269	my ($name, $cb) = @_;
		1270
		1271	$EXTICMD{$name} = $cb;
		1272	}
		1273
		1274	use File::Glob ();
893		1275
894	cf::player->attach (	1276	cf::player->attach (
895	on_command => sub {	1277	on_command => sub {
896	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
897		1279
…		…
905	cf::override;	1287	cf::override;
906	},	1288	},
907	on_extcmd => sub {	1289	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1290	my ($pl, $buf) = @_;
909		1291
910	my $msg = eval { from_json $buf };	1292	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1293
912	if (ref $msg) {	1294	if (ref $msg) {
		1295	my ($type, $reply, @payload) =
		1296	"ARRAY" eq ref $msg
		1297	? @$msg
		1298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1299
		1300	my @reply;
		1301
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1302	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1303	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1304	}
		1305
		1306	$pl->ext_reply ($reply, @reply)
		1307	if $reply;
		1308
918	} else {	1309	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1310	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1311	}
921		1312
922	cf::override;	1313	cf::override;
923	},	1314	},
924	);	1315	);
925		1316
		1317	# "readahead" all extensions
926	sub load_extension {	1318	sub cache_extensions {
927	my ($path) = @_;	1319	my $grp = IO::AIO::aio_group;
928		1320
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
930	my $base = $1;	1322	for (grep /\.ext$/, @{$_[0]}) {
931	my $pkg = $1;	1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}	1324	}
954	die $@;
955	}	1325	};
956		1326
957	push @EXTS, $pkg;	1327	$grp
958	}	1328	}
959		1329
960	sub load_extensions {	1330	sub load_extensions {
		1331	cf::sync_job {
		1332	my %todo;
		1333
961	for my $ext (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1335	next unless -r $path;
963	eval {	1336
964	load_extension $ext;	1337	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1338	my $base = $1;
		1339	my $pkg = $1;
		1340	$pkg =~ s/[^[:word:]]/_/g;
		1341	$pkg = "ext::$pkg";
		1342
		1343	open my $fh, "<:utf8", $path
		1344	or die "$path: $!";
		1345
		1346	my $source = do { local $/; <$fh> };
		1347
		1348	my %ext = (
		1349	path => $path,
		1350	base => $base,
		1351	pkg => $pkg,
		1352	);
		1353
		1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1356
		1357	$ext{source} =
		1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1359	. "#line 1 \"$path\"\n{\n"
		1360	. $source
		1361	. "\n};\n1";
		1362
		1363	$todo{$base} = \%ext;
		1364	}
		1365
		1366	my %done;
		1367	while (%todo) {
		1368	my $progress;
		1369
		1370	while (my ($k, $v) = each %todo) {
		1371	for (split /,\s*/, $v->{meta}{depends}) {
		1372	goto skip
		1373	unless exists $done{$_};
		1374	}
		1375
		1376	warn "... loading '$k' into '$v->{pkg}'\n";
		1377
		1378	unless (eval $v->{source}) {
		1379	my $msg = $@ ? "$v->{path}: $@\n"
		1380	: "$v->{base}: extension inactive.\n";
		1381
		1382	if (exists $v->{meta}{mandatory}) {
		1383	warn $msg;
		1384	cf::cleanup "mandatory extension failed to load, exiting.";
		1385	}
		1386
		1387	warn $msg;
		1388	}
		1389
		1390	$done{$k} = delete $todo{$k};
		1391	push @EXTS, $v->{pkg};
		1392	$progress = 1;
965	1	1393	}
966	} or warn "$ext not loaded: $@";	1394
		1395	skip:
		1396	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1397	unless $progress;
		1398	}
967	}	1399	};
968	}	1400	}
969		1401
970	#############################################################################	1402	#############################################################################
971		1403
		1404	=back
		1405
972	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
973		1407
974	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
975		1409
976	=cut	1410	=cut
977		1411
978	package cf::player;	1412	package cf::player;
979		1413
980	use Coro::AIO;	1414	use Coro::AIO;
981		1415
982	=head3 cf::player	1416	=head3 cf::player
983		1417
984	=over 4	1418	=over 4
		1419
		1420	=item cf::player::num_playing
		1421
		1422	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1423
		1424	=cut
		1425
		1426	sub num_playing {
		1427	scalar grep
		1428	$_->ob->map
		1429	&& !$_->hidden
		1430	&& !$_->ob->flag (cf::FLAG_WIZ),
		1431	cf::player::list
		1432	}
985		1433
986	=item cf::player::find $login	1434	=item cf::player::find $login
987		1435
988	Returns the given player object, loading it if necessary (might block).	1436	Returns the given player object, loading it if necessary (might block).
989		1437
…		…
1008		1456
1009	sub exists($) {	1457	sub exists($) {
1010	my ($login) = @_;	1458	my ($login) = @_;
1011		1459
1012	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1013	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1014	}	1462	}
1015		1463
1016	sub find($) {	1464	sub find($) {
1017	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1018	my $login = $_[0];	1466	my $login = $_[0];
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1473	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1474	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1475	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1476	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1477
1030	my $pl = load_pl path $login	1478	my $f = new_from_file cf::object::thawer path $login
1031	or return;	1479	or return;
		1480
		1481	my $pl = cf::player::load_pl $f
		1482	or return;
		1483
		1484	local $cf::PLAYER_LOADING{$login} = $pl;
		1485	$f->resolve_delayed_derefs;
1032	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1033	}	1487	}
1034	}	1488	}
1035	}	1489	}
1036		1490
…		…
1045	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1046		1500
1047	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
1049		1503
		1504	cf::get_slot 0.01;
		1505
1050	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1051	Coro::cede;	1507	cf::cede_to_tick;
1052	}	1508	}
1053		1509
1054	sub new($) {	1510	sub new($) {
1055	my ($login) = @_;	1511	my ($login) = @_;
1056		1512
…		…
1062	$cf::PLAYER{$login} = $self;	1518	$cf::PLAYER{$login} = $self;
1063		1519
1064	$self	1520	$self
1065	}	1521	}
1066		1522
		1523	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1524
		1525	=cut
		1526
		1527	sub send_msg {
		1528	my $ns = shift->ns
		1529	or return;
		1530	$ns->send_msg (@_);
		1531	}
		1532
1067	=item $pl->quit_character	1533	=item $pl->quit_character
1068		1534
1069	Nukes the player without looking back. If logged in, the connection will	1535	Nukes the player without looking back. If logged in, the connection will
1070	be destroyed. May block for a long time.	1536	be destroyed. May block for a long time.
1071		1537
…		…
1075	my ($pl) = @_;	1541	my ($pl) = @_;
1076		1542
1077	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1078		1544
1079	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1080	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1081		1547
1082	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1083	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1084	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1085	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1086		1554
1087	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1088	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1124	or return [];	1592	or return [];
1125		1593
1126	my @logins;	1594	my @logins;
1127		1595
1128	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
		1597	my $path = path $login;
		1598
		1599	# a .pst is a dead give-away for a valid player
		1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1605	}
1132		1606
1133	utf8::decode $login;	1607	utf8::decode $login;
1134	push @logins, $login;	1608	push @logins, $login;
1135	}	1609	}
1136		1610
…		…
1163	}	1637	}
1164		1638
1165	\@paths	1639	\@paths
1166	}	1640	}
1167		1641
		1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1643
		1644	Expand deliantra pod fragments into protocol xml.
		1645
1168	=item $player->ext_reply ($msgid, %msg)	1646	=item $player->ext_reply ($msgid, @msg)
1169		1647
1170	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1171		1649
1172	=cut	1650	=cut
1173		1651
1174	sub ext_reply($$%) {	1652	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1653	my ($self, $id, @msg) = @_;
1176		1654
1177	$msg{msgid} = $id;	1655	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1656	}
1181		1657
1182	=item $player->ext_event ($type, %msg)	1658	=item $player->ext_msg ($type, @msg)
1183		1659
1184	Sends an ext event to the client.	1660	Sends an ext event to the client.
1185		1661
1186	=cut	1662	=cut
1187		1663
1188	sub ext_event($$%) {	1664	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1665	my ($self, $type, @msg) = @_;
1190		1666
1191	$self->ns->ext_event ($type, %msg);	1667	$self->ns->ext_msg ($type, @msg);
1192	}	1668	}
1193		1669
1194	=head3 cf::region	1670	=head3 cf::region
1195		1671
1196	=over 4	1672	=over 4
…		…
1199		1675
1200	package cf::region;	1676	package cf::region;
1201		1677
1202	=item cf::region::find_by_path $path	1678	=item cf::region::find_by_path $path
1203		1679
1204	Tries to decuce the probable region for a map knowing only its path.	1680	Tries to decuce the likely region for a map knowing only its path.
1205		1681
1206	=cut	1682	=cut
1207		1683
1208	sub find_by_path($) {	1684	sub find_by_path($) {
1209	my ($path) = @_;	1685	my ($path) = @_;
1210		1686
1211	my ($match, $specificity);	1687	my ($match, $specificity);
1212		1688
1213	for my $region (list) {	1689	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1690	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1691	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1692	if $region->specificity > $specificity;
1217	}	1693	}
1218	}	1694	}
1219		1695
…		…
1240	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1241	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1242		1718
1243	sub generate_random_map {	1719	sub generate_random_map {
1244	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1245	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1246	$self->_create_random_map (	1725	$self->_create_random_map (
1247	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1248	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1249	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1283	my ($self, $merge) = @_;	1762	my ($self, $merge) = @_;
1284		1763
1285	# we have to keep some variables in memory intact	1764	# we have to keep some variables in memory intact
1286	local $self->{path};	1765	local $self->{path};
1287	local $self->{load_path};	1766	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1767
1291	$self->SUPER::thawer_merge ($merge);	1768	$self->SUPER::thawer_merge ($merge);
1292	}	1769	}
1293		1770
1294	sub normalise {	1771	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1818	$self->init; # pass $1 etc.
1342	return $self;	1819	return $self;
1343	}	1820	}
1344	}	1821	}
1345		1822
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1823	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1824	()
1348	}	1825	}
1349		1826
1350	sub init {	1827	sub init {
1351	my ($self) = @_;	1828	my ($self) = @_;
…		…
1373		1850
1374	# the temporary/swap location	1851	# the temporary/swap location
1375	sub save_path {	1852	sub save_path {
1376	my ($self) = @_;	1853	my ($self) = @_;
1377		1854
1378	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1379	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1380	}	1857	}
1381		1858
1382	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1383	sub uniq_path {	1860	sub uniq_path {
1384	my ($self) = @_;	1861	my ($self) = @_;
1385		1862
1386	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1387	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1388	}	1865	}
1389		1866
1390	# and all this just because we cannot iterate over	1867	sub decay_objects {
1391	# all maps in C++...
1392	sub change_all_map_light {
1393	my ($change) = @_;	1868	my ($self) = @_;
1394		1869
1395	$_->change_map_light ($change)	1870	return if $self->{deny_reset};
1396	for grep $_->outdoor, values %cf::MAP;	1871
		1872	$self->do_decay_objects;
1397	}	1873	}
1398		1874
1399	sub unlink_save {	1875	sub unlink_save {
1400	my ($self) = @_;	1876	my ($self) = @_;
1401		1877
…		…
1406		1882
1407	sub load_header_from($) {	1883	sub load_header_from($) {
1408	my ($self, $path) = @_;	1884	my ($self, $path) = @_;
1409		1885
1410	utf8::encode $path;	1886	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	1887	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	or return;	1888	or return;
		1889
		1890	$self->_load_header ($f)
		1891	or return;
		1892
		1893	local $MAP_LOADING{$self->{path}} = $self;
		1894	$f->resolve_delayed_derefs;
1416		1895
1417	$self->{load_path} = $path;	1896	$self->{load_path} = $path;
1418		1897
1419	1	1898	1
1420	}	1899	}
…		…
1459	$self->load_header_orig	1938	$self->load_header_orig
1460	or return;	1939	or return;
1461	$self->prepare_orig;	1940	$self->prepare_orig;
1462	}	1941	}
1463		1942
		1943	$self->{deny_reset} = 1
		1944	if $self->no_reset;
		1945
1464	$self->default_region (cf::region::find_by_path $self->{path})	1946	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	1947	unless $self->default_region;
1466		1948
1467	1	1949	1
1468	}	1950	}
…		…
1471	sub find {	1953	sub find {
1472	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1473		1955
1474	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1475		1957
		1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1477		1960
1478	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1479	my $guard = cf::lock_acquire "map_find:$path";
1480	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1481	or return;	1963	or return;
1482		1964
1483	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1484		1966
1485	$map->load_header	1967	$map->load_header
1486	or return;	1968	or return;
1487		1969
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1491	$map->reset;	1975	$map->reset;
1492	undef $guard;
1493	return find $path;	1976	return find $path;
1494	}	1977	}
1495		1978
1496	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1497	}	1980	}
…		…
1506	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1507		1990
1508	my $path = $self->{path};	1991	my $path = $self->{path};
1509		1992
1510	{	1993	{
1511	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1512		1995
		1996	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1514		1998
1515	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1516		2000
1517	$self->alloc;	2001	$self->alloc;
1518		2002
1519	$self->pre_load;	2003	$self->pre_load;
1520	Coro::cede;	2004	cf::cede_to_tick;
1521		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1522	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1523	or return;	2009	or return;
1524		2010
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1526	if delete $self->{load_original};	2012	if delete $self->{load_original};
1527		2013
1528	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	2015	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	2018	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1533	}	2022	}
1534	}	2023	}
1535		2024
1536	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1537	# now do the right thing for maps	2028	# now do the right thing for maps
1538	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	2031	unless $self->difficulty;
1541	Coro::cede;	2032	cf::cede_to_tick;
1542		2033
1543	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	2035	$self->decay_objects;
1545	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1546	$self->update_buttons;	2037	$self->update_buttons;
1547	Coro::cede;	2038	cf::cede_to_tick;
1548	$self->set_darkness_map;
1549	Coro::cede;
1550	$self->activate;	2039	$self->activate;
1551	}	2040	}
1552		2041
		2042	$self->{last_save} = $cf::RUNTIME;
		2043	$self->last_access ($cf::RUNTIME);
		2044
1553	$self->in_memory (cf::MAP_IN_MEMORY);	2045	$self->in_memory (cf::MAP_ACTIVE);
1554	}	2046	}
1555		2047
1556	$self->post_load;	2048	$self->post_load;
1557	}	2049	}
1558		2050
…		…
1560	my ($self, $ob) = @_;	2052	my ($self, $ob) = @_;
1561		2053
1562	return find "~" . $ob->name . "/" . $self->{path}	2054	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	2055	if $self->per_player;
1564		2056
		2057	# return find "?party/" . $ob->name . "/" . $self->{path}
		2058	# if $self->per_party;
		2059
1565	$self	2060	$self
1566	}	2061	}
1567		2062
1568	# find and load all maps in the 3x3 area around a map	2063	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	2064	sub load_neighbours {
1570	my ($map) = @_;	2065	my ($map) = @_;
1571		2066
1572	my @diag; # diagonal neighbours	2067	my @neigh; # diagonal neighbours
1573		2068
1574	for (0 .. 3) {	2069	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	2070	my $neigh = $map->tile_path ($_)
1576	or next;	2071	or next;
1577	$neigh = find $neigh, $map	2072	$neigh = find $neigh, $map
1578	or next;	2073	or next;
1579	$neigh->load;	2074	$neigh->load;
1580		2075
		2076	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2077	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2078	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	2079	}
1584		2080
1585	for (@diag) {	2081	for (grep defined $_->[0], @neigh) {
		2082	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	2083	my $neigh = find $path, $origin
1587	or next;	2084	or next;
1588	$neigh->load;	2085	$neigh->load;
1589	}	2086	}
1590	}	2087	}
1591		2088
…		…
1596	}	2093	}
1597		2094
1598	sub do_load_sync {	2095	sub do_load_sync {
1599	my ($map) = @_;	2096	my ($map) = @_;
1600		2097
		2098	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2099	if $Coro::current == $Coro::main;
		2100
1601	cf::sync_job { $map->load };	2101	cf::sync_job { $map->load };
1602	}	2102	}
1603		2103
1604	our %MAP_PREFETCH;	2104	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2105	our $MAP_PREFETCHER = undef;
1606		2106
1607	sub find_async {	2107	sub find_async {
1608	my ($path, $origin) = @_;	2108	my ($path, $origin, $load) = @_;
1609		2109
1610	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
1611		2111
1612	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1614	}	2114	}
1615		2115
1616	undef $MAP_PREFETCH{$path};	2116	$MAP_PREFETCH{$path} |= $load;
		2117
1617	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
		2119	$Coro::current->{desc} = "map prefetcher";
		2120
1618	while (%MAP_PREFETCH) {	2121	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2122	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2123	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2124	$map->load if $v;
		2125	}
1623		2126
1624	delete $MAP_PREFETCH{$path};	2127	delete $MAP_PREFETCH{$k};
1625	}	2128	}
1626	}	2129	}
1627	undef $MAP_PREFETCHER;	2130	undef $MAP_PREFETCHER;
1628	};	2131	};
1629	$MAP_PREFETCHER->prio (6);	2132	$MAP_PREFETCHER->prio (6);
…		…
1632	}	2135	}
1633		2136
1634	sub save {	2137	sub save {
1635	my ($self) = @_;	2138	my ($self) = @_;
1636		2139
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;	2140	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2141
1639	$self->{last_save} = $cf::RUNTIME;	2142	$self->{last_save} = $cf::RUNTIME;
1640		2143
1641	return unless $self->dirty;	2144	return unless $self->dirty;
1642		2145
…		…
1648	return if $self->{deny_save};	2151	return if $self->{deny_save};
1649		2152
1650	local $self->{last_access} = $self->last_access;#d#	2153	local $self->{last_access} = $self->last_access;#d#
1651		2154
1652	cf::async {	2155	cf::async {
		2156	$Coro::current->{desc} = "map player save";
1653	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
1654	};	2158	};
		2159
		2160	cf::get_slot 0.02;
1655		2161
1656	if ($uniq) {	2162	if ($uniq) {
1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1658	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1659	} else {	2165	} else {
…		…
1665	my ($self) = @_;	2171	my ($self) = @_;
1666		2172
1667	# save first because save cedes	2173	# save first because save cedes
1668	$self->save;	2174	$self->save;
1669		2175
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2177
1672	return if $self->players;	2178	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
1674	return if $self->{deny_save};	2180	return if $self->{deny_save};
1675		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1676	$self->clear;	2186	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2187	}
1679		2188
1680	sub reset_at {	2189	sub reset_at {
1681	my ($self) = @_;	2190	my ($self) = @_;
1682		2191
1683	# TODO: safety, remove and allow resettable per-player maps	2192	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2193	return 1e99 if $self->{deny_reset};
1686		2194
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2197
…		…
1700	my ($self) = @_;	2208	my ($self) = @_;
1701		2209
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2211
1704	return if $self->players;	2212	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2213
1707	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
1708		2215
1709	$self->in_memory (cf::MAP_SWAPPED);	2216	$self->in_memory (cf::MAP_SWAPPED);
1710		2217
1711	# need to save uniques path	2218	# need to save uniques path
1712	unless ($self->{deny_save}) {	2219	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2223	if $uniq;
1717	}	2224	}
1718		2225
1719	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1720		2227
		2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2230	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2231
1725	$self->unlink_save;	2232	$self->unlink_save;
1726	$self->destroy;	2233	$self->destroy;
1727	}	2234	}
1728		2235
1729	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1730		2237
1731	sub nuke {	2238	sub nuke {
1732	my ($self) = @_;	2239	my ($self) = @_;
1733		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
1734	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1735		2245
1736	$self->unlink_save;	2246	$self->unlink_save;
1737		2247
1738	bless $self, "cf::map";	2248	bless $self, "cf::map";
1739	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2253
1744	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
1745		2256
1746	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
		2258	}
		2259
		2260	=item $maps = cf::map::tmp_maps
		2261
		2262	Returns an arrayref with all map paths of currently instantiated and saved
		2263	maps. May block.
		2264
		2265	=cut
		2266
		2267	sub tmp_maps() {
		2268	[
		2269	map {
		2270	utf8::decode $_;
		2271	/\.map$/
		2272	? normalise $_
		2273	: ()
		2274	} @{ aio_readdir $TMPDIR or [] }
		2275	]
		2276	}
		2277
		2278	=item $maps = cf::map::random_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	random maps. May block.
		2282
		2283	=cut
		2284
		2285	sub random_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise "?random/$_"
		2291	: ()
		2292	} @{ aio_readdir $RANDOMDIR or [] }
		2293	]
1747	}	2294	}
1748		2295
1749	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1750		2297
1751	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2299	instantiated unique items. May block.
1753		2300
1754	=cut	2301	=cut
1755		2302
1756	sub unique_maps() {	2303	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2304	[
1758	or return;	2305	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2306	utf8::decode $_;
1764	next if /\.pst$/;	2307	s/\.map$//; # TODO future compatibility hack
1765	next unless /^$PATH_SEP/o;	2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1766		2309	? ()
1767	push @paths, cf::map::normalise $_;	2310	: normalise $_
		2311	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2312	]
1769
1770	\@paths
1771	}	2313	}
1772
1773	package cf;
1774		2314
1775	=back	2315	=back
1776		2316
1777	=head3 cf::object	2317	=head3 cf::object
1778		2318
…		…
1782		2322
1783	=over 4	2323	=over 4
1784		2324
1785	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
1786		2326
1787	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
1788		2329
1789	=cut	2330	=cut
1790		2331
1791	sub inv_recursive_;	2332	sub inv_recursive_;
1792	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
1795		2336
1796	sub inv_recursive {	2337	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
1798	}	2339	}
1799		2340
		2341	=item $ref = $ob->ref
		2342
		2343	Creates and returns a persistent reference to an object that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
		2367	}
		2368
1800	package cf;	2369	package cf;
1801		2370
1802	=back	2371	=back
1803		2372
1804	=head3 cf::object::player	2373	=head3 cf::object::player
…		…
1810	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2379	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1811	can be C<undef>. Does the right thing when the player is currently in a	2380	can be C<undef>. Does the right thing when the player is currently in a
1812	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
1813		2382
1814	=cut	2383	=cut
		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
1815		2398
1816	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
1817	# with dialog boxes.	2400	# with dialog boxes.
1818	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
1819	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
…		…
1821		2404
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2405	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2406
1824	if ($self->{record_replies}) {	2407	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2408	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2409
1826	} else {	2410	} else {
		2411	my $pl = $self->contr;
		2412
		2413	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2414	my $dialog = $pl->{npc_dialog};
		2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2416
		2417	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2420	}
1829	}	2421	}
		2422	}
		2423
		2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2425
		2426	=cut
		2427
		2428	sub cf::object::send_msg {
		2429	my $pl = shift->contr
		2430	or return;
		2431	$pl->send_msg (@_);
1830	}	2432	}
1831		2433
1832	=item $player_object->may ("access")	2434	=item $player_object->may ("access")
1833		2435
1834	Returns wether the given player is authorized to access resource "access"	2436	Returns wether the given player is authorized to access resource "access"
…		…
1847		2449
1848	=item $player_object->enter_link	2450	=item $player_object->enter_link
1849		2451
1850	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
1851		2453
1852	The player should be reasonably safe there for short amounts of time. You	2454	The player should be reasonably safe there for short amounts of time (e.g.
1853	I<MUST> call C<leave_link> as soon as possible, though.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
1854		2458
1855	Will never block.	2459	Will never block.
1856		2460
1857	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
1858		2462
…		…
1881	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1882		2486
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2488
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1887		2491
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2493	}
1890		2494
1891	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1893		2499
1894	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1895		2501
1896	unless ($map) {	2502	unless ($map) {
1897	# restore original map position	2503	# restore original map position
…		…
1911	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1914		2520
1915	$map->load;	2521	$map->load;
1916	$map->load_diag;	2522	$map->load_neighbours;
1917		2523
1918	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1919	$self->activate_recursive;	2526	$self->activate_recursive;
1920		2527
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1923	}	2530	}
1924		2531
1925	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2533
1929	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1933	};	2538	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2539
1939	# try to abort aborted map switching on player login :)	2540	Note that $check will be called with a potentially non-loaded map, so if
1940	# should happen only on crashes	2541	it needs a loaded map it has to call C<< ->load >>.
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956		2542
1957	=item $player_object->goto ($path, $x, $y)
1958
1959	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1960		2546
1961	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
		2549
		2550	# do generation counting so two concurrent goto's will be executed in-order
		2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2552
1964	$self->enter_link;	2553	$self->enter_link;
1965		2554
1966	(async {	2555	(async {
		2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
1967	my $map = eval {	2577	my $map = eval {
1968	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2581	$map = $map->customise_for ($self);
		2582	$map = $check->($map) if $check && $map;
		2583	} else {
		2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	}
		2586
1970	$map	2587	$map
		2588	};
		2589
		2590	if ($@) {
		2591	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2592	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2593	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1975	})->prio (1);	2601	})->prio (1);
1976	}	2602	}
1977		2603
1978	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1979		2605
…		…
1999	}	2625	}
2000		2626
2001	sub prepare_random_map {	2627	sub prepare_random_map {
2002	my ($exit) = @_;	2628	my ($exit) = @_;
2003		2629
2004	my $guard = cf::lock_acquire "exit_prepare:$exit";
2005
2006	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
2007	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
2008	# that depends on the exit object	2632	# that depends on the exit object
2009		2633
2010	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
2012	if ($exit->map) {	2636	if ($exit->map) {
2013	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
2014	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
2015	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
2016	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
2017	}	2643	}
2018		2644
2019	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
2020		2646
2021	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2022	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
2023	my $meta = "$RANDOMDIR/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
2024		2650
2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
2027	undef $fh;	2653	undef $fh;
2028	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
2029		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
2030	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
2031	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
2032	}	2662	}
2033	}	2663	}
2034		2664
2035	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
2036	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
2037		2667
2038	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
2039		2669
2040	if ($exit->slaying eq "/!") {
2041	#TODO: this should de-fi-ni-te-ly not be a sync-job
2042	# the problem is that $exit might not survive long enough
2043	# so it needs to be done right now, right here
2044	cf::sync_job { prepare_random_map $exit };
2045	}
2046
2047	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2048	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;
2050
2051	$self->enter_link;	2670	$self->enter_link;
2052		2671
2053	(async {	2672	(async {
2054	$self->deactivate_recursive; # just to be sure	2673	$Coro::current->{desc} = "enter_exit";
		2674
2055	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
		2682	prepare_random_map $exit
		2683	if $exit->slaying eq "/!";
		2684	}
		2685
		2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
		2689
2056	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
2057		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
2058	1;	2696	1
2059	}) {	2697	}) {
2060	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
2061	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
2062	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
2063	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
2064		2702
2065	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
…		…
2084		2722
2085	utf8::encode $text;	2723	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2724	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2725	}
2088		2726
		2727	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2728
		2729	Send a drawinfo or msg packet to the client, formatting the msg for the
		2730	client if neccessary. C<$type> should be a string identifying the type of
		2731	the message, with C<log> being the default. If C<$color> is negative, suppress
		2732	the message unless the client supports the msg packet.
		2733
		2734	=cut
		2735
		2736	# non-persistent channels (usually the info channel)
		2737	our %CHANNEL = (
		2738	"c/identify" => {
		2739	id => "infobox",
		2740	title => "Identify",
		2741	reply => undef,
		2742	tooltip => "Items recently identified",
		2743	},
		2744	"c/examine" => {
		2745	id => "infobox",
		2746	title => "Examine",
		2747	reply => undef,
		2748	tooltip => "Signs and other items you examined",
		2749	},
		2750	"c/book" => {
		2751	id => "infobox",
		2752	title => "Book",
		2753	reply => undef,
		2754	tooltip => "The contents of a note or book",
		2755	},
		2756	"c/lookat" => {
		2757	id => "infobox",
		2758	title => "Look",
		2759	reply => undef,
		2760	tooltip => "What you saw there",
		2761	},
		2762	"c/who" => {
		2763	id => "infobox",
		2764	title => "Players",
		2765	reply => undef,
		2766	tooltip => "Shows players who are currently online",
		2767	},
		2768	"c/body" => {
		2769	id => "infobox",
		2770	title => "Body Parts",
		2771	reply => undef,
		2772	tooltip => "Shows which body parts you posess and are available",
		2773	},
		2774	"c/skills" => {
		2775	id => "infobox",
		2776	title => "Skills",
		2777	reply => undef,
		2778	tooltip => "Shows your experience per skill and item power",
		2779	},
		2780	"c/uptime" => {
		2781	id => "infobox",
		2782	title => "Uptime",
		2783	reply => undef,
		2784	tooltip => "How long the server has been running since last restart",
		2785	},
		2786	"c/mapinfo" => {
		2787	id => "infobox",
		2788	title => "Map Info",
		2789	reply => undef,
		2790	tooltip => "Information related to the maps",
		2791	},
		2792	"c/party" => {
		2793	id => "party",
		2794	title => "Party",
		2795	reply => "gsay ",
		2796	tooltip => "Messages and chat related to your party",
		2797	},
		2798	"c/say" => $SAY_CHANNEL,
		2799	"c/chat" => $CHAT_CHANNEL,
		2800	);
		2801
		2802	sub cf::client::send_msg {
		2803	my ($self, $channel, $msg, $color, @extra) = @_;
		2804
		2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel);
		2815	$channel = $channel->{id};
		2816
		2817	} elsif (ref $channel) {
		2818	# send meta info to client, if not yet sent
		2819	unless (exists $self->{channel}{$channel->{id}}) {
		2820	$self->{channel}{$channel->{id}} = $channel;
		2821	$self->ext_msg (channel_info => $channel);
		2822	}
		2823
		2824	$channel = $channel->{id};
		2825	}
		2826
		2827	return unless @extra || length $msg;
		2828
		2829	# default colour, mask it out
		2830	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2831	if $color & cf::NDI_DEF;
		2832
		2833	my $pkt = "msg "
		2834	. $self->{json_coder}->encode (
		2835	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2836	);
		2837
		2838	# try lzf for large packets
		2839	$pkt = "lzf " . Compress::LZF::compress $pkt
		2840	if 1024 <= length $pkt and $self->{can_lzf};
		2841
		2842	# split very large packets
		2843	if (8192 < length $pkt and $self->{can_lzf}) {
		2844	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2845	$pkt = "frag";
		2846	}
		2847
		2848	$self->send_packet ($pkt);
		2849	}
		2850
2089	=item $client->ext_event ($type, %msg)	2851	=item $client->ext_msg ($type, @msg)
2090		2852
2091	Sends an exti event to the client.	2853	Sends an ext event to the client.
2092		2854
2093	=cut	2855	=cut
2094		2856
2095	sub cf::client::ext_event($$%) {	2857	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	2858	my ($self, $type, @msg) = @_;
2097		2859
		2860	if ($self->extcmd == 2) {
		2861	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2862	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	2863	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	2864	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2865	}
		2866	}
		2867
		2868	=item $client->ext_reply ($msgid, @msg)
		2869
		2870	Sends an ext reply to the client.
		2871
		2872	=cut
		2873
		2874	sub cf::client::ext_reply($$@) {
		2875	my ($self, $id, @msg) = @_;
		2876
		2877	if ($self->extcmd == 2) {
		2878	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2879	} elsif ($self->extcmd == 1) {
		2880	#TODO: version 1, remove
		2881	unshift @msg, msgtype => "reply", msgid => $id;
		2882	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2883	}
2100	}	2884	}
2101		2885
2102	=item $success = $client->query ($flags, "text", \&cb)	2886	=item $success = $client->query ($flags, "text", \&cb)
2103		2887
2104	Queues a query to the client, calling the given callback with	2888	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2889	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2890	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		2891
2108	Queries can fail, so check the return code. Or don't, as queries will become	2892	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	2893	become reliable at some point in the future.
2110		2894
2111	=cut	2895	=cut
2112		2896
2113	sub cf::client::query {	2897	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2898	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2906	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2907	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2908
2125	$self->send_packet ($self->{query_queue}[0][0])	2909	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2910	if @{ $self->{query_queue} } == 1;
		2911
		2912	1
2127	}	2913	}
2128		2914
2129	cf::client->attach (	2915	cf::client->attach (
		2916	on_connect => sub {
		2917	my ($ns) = @_;
		2918
		2919	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2920	},
2130	on_reply => sub {	2921	on_reply => sub {
2131	my ($ns, $msg) = @_;	2922	my ($ns, $msg) = @_;
2132		2923
2133	# this weird shuffling is so that direct followup queries	2924	# this weird shuffling is so that direct followup queries
2134	# get handled first	2925	# get handled first
…		…
2146	} else {	2937	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2938	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	2939	}
2149	}	2940	}
2150	},	2941	},
		2942	on_exticmd => sub {
		2943	my ($ns, $buf) = @_;
		2944
		2945	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2946
		2947	if (ref $msg) {
		2948	my ($type, $reply, @payload) =
		2949	"ARRAY" eq ref $msg
		2950	? @$msg
		2951	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2952
		2953	my @reply;
		2954
		2955	if (my $cb = $EXTICMD{$type}) {
		2956	@reply = $cb->($ns, @payload);
		2957	}
		2958
		2959	$ns->ext_reply ($reply, @reply)
		2960	if $reply;
		2961
		2962	} else {
		2963	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2964	}
		2965
		2966	cf::override;
		2967	},
2151	);	2968	);
2152		2969
2153	=item $client->async (\&cb)	2970	=item $client->async (\&cb)
2154		2971
2155	Create a new coroutine, running the specified callback. The coroutine will	2972	Create a new coroutine, running the specified callback. The coroutine will
…		…
2196	our $safe = new Safe "safe";	3013	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	3014	our $safe_hole = new Safe::Hole;
2198		3015
2199	$SIG{FPE} = 'IGNORE';	3016	$SIG{FPE} = 'IGNORE';
2200		3017
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3018	$safe->permit_only (Opcode::opset qw(
		3019	:base_core :base_mem :base_orig :base_math
		3020	grepstart grepwhile mapstart mapwhile
		3021	sort time
		3022	));
2202		3023
2203	# here we export the classes and methods available to script code	3024	# here we export the classes and methods available to script code
2204		3025
2205	=pod	3026	=pod
2206		3027
2207	The following functions and methods are available within a safe environment:	3028	The following functions and methods are available within a safe environment:
2208		3029
2209	cf::object contr pay_amount pay_player map	3030	cf::object
		3031	contr pay_amount pay_player map x y force_find force_add destroy
		3032	insert remove name archname title slaying race decrease split
		3033
2210	cf::object::player player	3034	cf::object::player
2211	cf::player peaceful	3035	player
2212	cf::map trigger	3036
		3037	cf::player
		3038	peaceful
		3039
		3040	cf::map
		3041	trigger
2213		3042
2214	=cut	3043	=cut
2215		3044
2216	for (	3045	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	3046	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3047	insert remove inv nrof name archname title slaying race
		3048	decrease split destroy change_exp)],
2218	["cf::object::player" => qw(player)],	3049	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	3050	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	3051	["cf::map" => qw(trigger)],
2221	) {	3052	) {
2222	no strict 'refs';	3053	no strict 'refs';
…		…
2293	=back	3124	=back
2294		3125
2295	=cut	3126	=cut
2296		3127
2297	#############################################################################	3128	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	3129	# the server's init and main functions
2473		3130
2474	sub load_facedata($) {	3131	sub load_facedata($) {
2475	my ($path) = @_;	3132	my ($path) = @_;
		3133
		3134	# HACK to clear player env face cache, we need some signal framework
		3135	# for this (global event?)
		3136	%ext::player_env::MUSIC_FACE_CACHE = ();
		3137
		3138	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2476		3139
2477	warn "loading facedata from $path\n";	3140	warn "loading facedata from $path\n";
2478		3141
2479	my $facedata;	3142	my $facedata;
2480	0 < aio_load $path, $facedata	3143	0 < aio_load $path, $facedata
…		…
2483	$facedata = Coro::Storable::thaw $facedata;	3146	$facedata = Coro::Storable::thaw $facedata;
2484		3147
2485	$facedata->{version} == 2	3148	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	3149	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		3150
		3151	# patch in the exptable
		3152	$facedata->{resource}{"res/exp_table"} = {
		3153	type => FT_RSRC,
		3154	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3155	};
		3156	cf::cede_to_tick;
		3157
2488	{	3158	{
2489	my $faces = $facedata->{faceinfo};	3159	my $faces = $facedata->{faceinfo};
2490		3160
2491	while (my ($face, $info) = each %$faces) {	3161	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3162	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3163
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3164	cf::face::set_visibility $idx, $info->{visibility};
		3165	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3166	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3167	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496	Coro::cede;	3168
		3169	cf::cede_to_tick;
2497	}	3170	}
2498		3171
2499	while (my ($face, $info) = each %$faces) {	3172	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3173	next unless $info->{smooth};
		3174
2501	my $idx = cf::face::find $face	3175	my $idx = cf::face::find $face
2502	or next;	3176	or next;
		3177
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3178	if (my $smooth = cf::face::find $info->{smooth}) {
		3179	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3180	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3181	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3182	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3183	}
2508	Coro::cede;	3184
		3185	cf::cede_to_tick;
2509	}	3186	}
2510	}	3187	}
2511		3188
2512	{	3189	{
2513	my $anims = $facedata->{animinfo};	3190	my $anims = $facedata->{animinfo};
2514		3191
2515	while (my ($anim, $info) = each %$anims) {	3192	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3193	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3194	cf::cede_to_tick;
2518	}	3195	}
2519		3196
2520	cf::anim::invalidate_all; # d'oh	3197	cf::anim::invalidate_all; # d'oh
2521	}	3198	}
2522		3199
		3200	{
		3201	# TODO: for gcfclient pleasure, we should give resources
		3202	# that gcfclient doesn't grok a >10000 face index.
		3203	my $res = $facedata->{resource};
		3204
		3205	while (my ($name, $info) = each %$res) {
		3206	if (defined $info->{type}) {
		3207	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3208	my $data;
		3209
		3210	if ($info->{type} & 1) {
		3211	# prepend meta info
		3212
		3213	my $meta = $enc->encode ({
		3214	name => $name,
		3215	%{ $info->{meta} || {} },
		3216	});
		3217
		3218	$data = pack "(w/a*)*", $meta, $info->{data};
		3219	} else {
		3220	$data = $info->{data};
		3221	}
		3222
		3223	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3224	cf::face::set_type $idx, $info->{type};
		3225	} else {
		3226	$RESOURCE{$name} = $info;
		3227	}
		3228
		3229	cf::cede_to_tick;
		3230	}
		3231	}
		3232
		3233	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3234
2523	1	3235	1
2524	}	3236	}
2525		3237
		3238	cf::global->attach (on_resource_update => sub {
		3239	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3240	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3241
		3242	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3243	my $sound = $soundconf->{compat}[$_]
		3244	or next;
		3245
		3246	my $face = cf::face::find "sound/$sound->[1]";
		3247	cf::sound::set $sound->[0] => $face;
		3248	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3249	}
		3250
		3251	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3252	my $face = cf::face::find "sound/$v";
		3253	cf::sound::set $k => $face;
		3254	}
		3255	}
		3256	});
		3257
		3258	register_exticmd fx_want => sub {
		3259	my ($ns, $want) = @_;
		3260
		3261	while (my ($k, $v) = each %$want) {
		3262	$ns->fx_want ($k, $v);
		3263	}
		3264	};
		3265
		3266	sub load_resource_file($) {
		3267	my $guard = lock_acquire "load_resource_file";
		3268
		3269	my $status = load_resource_file_ $_[0];
		3270	get_slot 0.1, 100;
		3271	cf::arch::commit_load;
		3272
		3273	$status
		3274	}
		3275
2526	sub reload_regions {	3276	sub reload_regions {
		3277	# HACK to clear player env face cache, we need some signal framework
		3278	# for this (global event?)
		3279	%ext::player_env::MUSIC_FACE_CACHE = ();
		3280
2527	load_resource_file "$MAPDIR/regions"	3281	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3282	or die "unable to load regions file\n";
		3283
		3284	for (cf::region::list) {
		3285	$_->{match} = qr/$_->{match}/
		3286	if exists $_->{match};
		3287	}
2529	}	3288	}
2530		3289
2531	sub reload_facedata {	3290	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3291	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3292	or die "unable to load facedata\n";
…		…
2544	}	3303	}
2545		3304
2546	sub reload_resources {	3305	sub reload_resources {
2547	warn "reloading resource files...\n";	3306	warn "reloading resource files...\n";
2548		3307
2549	reload_regions;
2550	reload_facedata;	3308	reload_facedata;
2551	reload_archetypes;	3309	reload_archetypes;
		3310	reload_regions;
2552	reload_treasures;	3311	reload_treasures;
2553		3312
2554	warn "finished reloading resource files\n";	3313	warn "finished reloading resource files\n";
2555	}	3314	}
2556		3315
2557	sub init {	3316	sub reload_config {
2558	reload_resources;
2559	}
2560
2561	sub cfg_load {
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3317	open my $fh, "<:utf8", "$CONFDIR/config"
2563	or return;	3318	or return;
2564		3319
2565	local $/;	3320	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;	3321	*CFG = YAML::Load <$fh>;
2567		3322
2568	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3323	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2569		3324
2570	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3325	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2571	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3326	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2577	};	3332	};
2578	warn $@ if $@;	3333	warn $@ if $@;
2579	}	3334	}
2580	}	3335	}
2581		3336
		3337	sub pidfile() {
		3338	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3339	or die "$PIDFILE: $!";
		3340	flock $fh, &Fcntl::LOCK_EX
		3341	or die "$PIDFILE: flock: $!";
		3342	$fh
		3343	}
		3344
		3345	# make sure only one server instance is running at any one time
		3346	sub atomic {
		3347	my $fh = pidfile;
		3348
		3349	my $pid = <$fh>;
		3350	kill 9, $pid if $pid > 0;
		3351
		3352	seek $fh, 0, 0;
		3353	print $fh $$;
		3354	}
		3355
2582	sub main {	3356	sub main {
		3357	cf::init_globals; # initialise logging
		3358
		3359	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3360	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3361	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3362	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3363
		3364	cf::init_experience;
		3365	cf::init_anim;
		3366	cf::init_attackmess;
		3367	cf::init_dynamic;
		3368
		3369	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3370
2583	# we must not ever block the main coroutine	3371	# we must not ever block the main coroutine
2584	local $Coro::idle = sub {	3372	local $Coro::idle = sub {
2585	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586	(async {	3374	(async {
2587	Event::one_event;	3375	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3376	EV::loop EV::LOOP_ONESHOT;
2588	})->prio (Coro::PRIO_MAX);	3377	})->prio (Coro::PRIO_MAX);
2589	};	3378	};
2590		3379
2591	cfg_load;	3380	evthread_start IO::AIO::poll_fileno;
		3381
		3382	cf::sync_job {
		3383	reload_resources;
		3384	reload_config;
2592	db_init;	3385	db_init;
		3386
		3387	cf::load_settings;
		3388	cf::load_materials;
		3389	cf::init_uuid;
		3390	cf::init_signals;
		3391	cf::init_commands;
		3392	cf::init_skills;
		3393
		3394	cf::init_beforeplay;
		3395
		3396	atomic;
		3397
2593	load_extensions;	3398	load_extensions;
2594		3399
2595	$TICK_WATCHER->start;	3400	utime time, time, $RUNTIMEFILE;
		3401
		3402	# no (long-running) fork's whatsoever before this point(!)
		3403	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3404
		3405	(pop @POST_INIT)->(0) while @POST_INIT;
		3406	};
		3407
2596	Event::loop;	3408	EV::loop;
2597	}	3409	}
2598		3410
2599	#############################################################################	3411	#############################################################################
2600	# initialisation and cleanup	3412	# initialisation and cleanup
2601		3413
2602	# install some emergency cleanup handlers	3414	# install some emergency cleanup handlers
2603	BEGIN {	3415	BEGIN {
		3416	our %SIGWATCHER = ();
2604	for my $signal (qw(INT HUP TERM)) {	3417	for my $signal (qw(INT HUP TERM)) {
2605	Event->signal (	3418	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	signal => $signal,
2609	prio => 0,
2610	cb => sub {
2611	cf::cleanup "SIG$signal";	3419	cf::cleanup "SIG$signal";
2612	},
2613	);	3420	};
		3421	}
		3422	}
		3423
		3424	sub write_runtime_sync {
		3425	# first touch the runtime file to show we are still running:
		3426	# the fsync below can take a very very long time.
		3427
		3428	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3429
		3430	my $guard = cf::lock_acquire "write_runtime";
		3431
		3432	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3433	or return;
		3434
		3435	my $value = $cf::RUNTIME + 90 + 10;
		3436	# 10 is the runtime save interval, for a monotonic clock
		3437	# 60 allows for the watchdog to kill the server.
		3438
		3439	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3440	and return;
		3441
		3442	# always fsync - this file is important
		3443	aio_fsync $fh
		3444	and return;
		3445
		3446	# touch it again to show we are up-to-date
		3447	aio_utime $fh, undef, undef;
		3448
		3449	close $fh
		3450	or return;
		3451
		3452	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3453	and return;
		3454
		3455	warn "runtime file written.\n";
		3456
2614	}	3457	1
		3458	}
		3459
		3460	our $uuid_lock;
		3461	our $uuid_skip;
		3462
		3463	sub write_uuid_sync($) {
		3464	$uuid_skip ||= $_[0];
		3465
		3466	return if $uuid_lock;
		3467	local $uuid_lock = 1;
		3468
		3469	my $uuid = "$LOCALDIR/uuid";
		3470
		3471	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3472	or return;
		3473
		3474	my $value = uuid_seq uuid_cur;
		3475
		3476	unless ($value) {
		3477	warn "cowardly refusing to write zero uuid value!\n";
		3478	return;
		3479	}
		3480
		3481	my $value = uuid_str $value + $uuid_skip;
		3482	$uuid_skip = 0;
		3483
		3484	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3485	and return;
		3486
		3487	# always fsync - this file is important
		3488	aio_fsync $fh
		3489	and return;
		3490
		3491	close $fh
		3492	or return;
		3493
		3494	aio_rename "$uuid~", $uuid
		3495	and return;
		3496
		3497	warn "uuid file written ($value).\n";
		3498
		3499	1
		3500
		3501	}
		3502
		3503	sub write_uuid($$) {
		3504	my ($skip, $sync) = @_;
		3505
		3506	$sync ? write_uuid_sync $skip
		3507	: async { write_uuid_sync $skip };
2615	}	3508	}
2616		3509
2617	sub emergency_save() {	3510	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3511	my $freeze_guard = cf::freeze_mainloop;
2619		3512
2620	warn "enter emergency perl save\n";	3513	warn "emergency_perl_save: enter\n";
2621		3514
2622	cf::sync_job {	3515	cf::sync_job {
		3516	# this is a trade-off: we want to be very quick here, so
		3517	# save all maps without fsync, and later call a global sync
		3518	# (which in turn might be very very slow)
		3519	local $USE_FSYNC = 0;
		3520
2623	# use a peculiar iteration method to avoid tripping on perl	3521	# use a peculiar iteration method to avoid tripping on perl
2624	# refcount bugs in for. also avoids problems with players	3522	# refcount bugs in for. also avoids problems with players
2625	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
2626	warn "begin emergency player save\n";	3524	warn "emergency_perl_save: begin player save\n";
2627	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
2628	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
2629	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630	$pl->save;	3529	$pl->save;
2631	}	3530	}
2632	warn "end emergency player save\n";	3531	warn "emergency_perl_save: end player save\n";
2633		3532
2634	warn "begin emergency map save\n";	3533	warn "emergency_perl_save: begin map save\n";
2635	for my $path (keys %cf::MAP) {	3534	for my $path (keys %cf::MAP) {
2636	my $map = $cf::MAP{$path} or next;	3535	my $map = $cf::MAP{$path} or next;
2637	$map->valid or next;	3536	$map->valid or next;
2638	$map->save;	3537	$map->save;
2639	}	3538	}
2640	warn "end emergency map save\n";	3539	warn "emergency_perl_save: end map save\n";
2641		3540
2642	warn "begin emergency database checkpoint\n";	3541	warn "emergency_perl_save: begin database checkpoint\n";
2643	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
2644	warn "end emergency database checkpoint\n";	3543	warn "emergency_perl_save: end database checkpoint\n";
		3544
		3545	warn "emergency_perl_save: begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "emergency_perl_save: end write uuid\n";
2645	};	3548	};
2646		3549
		3550	warn "emergency_perl_save: starting sync()\n";
		3551	IO::AIO::aio_sync sub {
		3552	warn "emergency_perl_save: finished sync()\n";
		3553	};
		3554
2647	warn "leave emergency perl save\n";	3555	warn "emergency_perl_save: leave\n";
2648	}	3556	}
2649		3557
2650	sub post_cleanup {	3558	sub post_cleanup {
2651	my ($make_core) = @_;	3559	my ($make_core) = @_;
2652		3560
2653	warn Carp::longmess "post_cleanup backtrace"	3561	warn Carp::longmess "post_cleanup backtrace"
2654	if $make_core;	3562	if $make_core;
		3563
		3564	my $fh = pidfile;
		3565	unlink $PIDFILE if <$fh> == $$;
		3566	}
		3567
		3568	# a safer delete_package, copied from Symbol
		3569	sub clear_package($) {
		3570	my $pkg = shift;
		3571
		3572	# expand to full symbol table name if needed
		3573	unless ($pkg =~ /^main::.*::$/) {
		3574	$pkg = "main$pkg" if $pkg =~ /^::/;
		3575	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3576	$pkg .= '::' unless $pkg =~ /::$/;
		3577	}
		3578
		3579	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3580	my $stem_symtab = *{$stem}{HASH};
		3581
		3582	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3583	or return;
		3584
		3585	# clear all symbols
		3586	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3587	for my $name (keys %$leaf_symtab) {
		3588	_gv_clear *{"$pkg$name"};
		3589	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3590	}
		3591	warn "cleared package $pkg\n";#d#
2655	}	3592	}
2656		3593
2657	sub do_reload_perl() {	3594	sub do_reload_perl() {
2658	# can/must only be called in main	3595	# can/must only be called in main
2659	if ($Coro::current != $Coro::main) {	3596	if ($Coro::current != $Coro::main) {
2660	warn "can only reload from main coroutine";	3597	warn "can only reload from main coroutine";
2661	return;	3598	return;
2662	}	3599	}
2663		3600
		3601	return if $RELOAD++;
		3602
		3603	my $t1 = EV::time;
		3604
		3605	while ($RELOAD) {
2664	warn "reloading...";	3606	warn "reloading...";
2665		3607
2666	warn "entering sync_job";	3608	warn "entering sync_job";
2667		3609
2668	cf::sync_job {	3610	cf::sync_job {
2669	cf::write_runtime; # external watchdog should not bark	3611	cf::write_runtime_sync; # external watchdog should not bark
2670	cf::emergency_save;	3612	cf::emergency_save;
2671	cf::write_runtime; # external watchdog should not bark	3613	cf::write_runtime_sync; # external watchdog should not bark
2672		3614
2673	warn "syncing database to disk";	3615	warn "syncing database to disk";
2674	BDB::db_env_txn_checkpoint $DB_ENV;	3616	BDB::db_env_txn_checkpoint $DB_ENV;
2675		3617
2676	# if anything goes wrong in here, we should simply crash as we already saved	3618	# if anything goes wrong in here, we should simply crash as we already saved
2677		3619
2678	warn "cancelling all WF_AUTOCANCEL watchers";
2679	for (Event::all_watchers) {
2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2681	}
2682
2683	warn "flushing outstanding aio requests";	3620	warn "flushing outstanding aio requests";
2684	for (;;) {
2685	BDB::flush;
2686	IO::AIO::flush;
2687	Coro::cede;
2688	last unless IO::AIO::nreqs || BDB::nreqs;	3621	while (IO::AIO::nreqs || BDB::nreqs) {
2689	warn "iterate...";	3622	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2690	}
2691
2692	++$RELOAD;
2693
2694	warn "cancelling all extension coros";
2695	$_->cancel for values %EXT_CORO;
2696	%EXT_CORO = ();
2697
2698	warn "removing commands";
2699	%COMMAND = ();
2700
2701	warn "removing ext commands";
2702	%EXTCMD = ();
2703
2704	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";
2707
2708	if (my $cb = $pkg->can ("unload")) {
2709	eval {
2710	$cb->($pkg);
2711	1
2712	} or warn "$pkg unloaded, but with errors: $@";
2713	}	3623	}
2714		3624
2715	warn "... nuking $pkg";	3625	warn "cancelling all extension coros";
2716	Symbol::delete_package $pkg;	3626	$_->cancel for values %EXT_CORO;
2717	}	3627	%EXT_CORO = ();
2718		3628
2719	warn "unloading all perl modules loaded from $LIBDIR";	3629	warn "removing commands";
2720	while (my ($k, $v) = each %INC) {	3630	%COMMAND = ();
2721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2722		3631
		3632	warn "removing ext/exti commands";
		3633	%EXTCMD = ();
		3634	%EXTICMD = ();
		3635
		3636	warn "unloading/nuking all extensions";
		3637	for my $pkg (@EXTS) {
2723	warn "... unloading $k";	3638	warn "... unloading $pkg";
2724	delete $INC{$k};
2725		3639
2726	$k =~ s/\.pm$//;
2727	$k =~ s/\//::/g;
2728
2729	if (my $cb = $k->can ("unload_module")) {	3640	if (my $cb = $pkg->can ("unload")) {
		3641	eval {
2730	$cb->();	3642	$cb->($pkg);
		3643	1
		3644	} or warn "$pkg unloaded, but with errors: $@";
		3645	}
		3646
		3647	warn "... clearing $pkg";
		3648	clear_package $pkg;
2731	}	3649	}
2732		3650
2733	Symbol::delete_package $k;	3651	warn "unloading all perl modules loaded from $LIBDIR";
		3652	while (my ($k, $v) = each %INC) {
		3653	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3654
		3655	warn "... unloading $k";
		3656	delete $INC{$k};
		3657
		3658	$k =~ s/\.pm$//;
		3659	$k =~ s/\//::/g;
		3660
		3661	if (my $cb = $k->can ("unload_module")) {
		3662	$cb->();
		3663	}
		3664
		3665	clear_package $k;
2734	}	3666	}
2735		3667
2736	warn "getting rid of safe::, as good as possible";	3668	warn "getting rid of safe::, as good as possible";
2737	Symbol::delete_package "safe::$_"	3669	clear_package "safe::$_"
2738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3670	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2739		3671
2740	warn "unloading cf.pm \"a bit\"";	3672	warn "unloading cf.pm \"a bit\"";
2741	delete $INC{"cf.pm"};	3673	delete $INC{"cf.pm"};
2742	delete $INC{"cf/pod.pm"};	3674	delete $INC{"cf/pod.pm"};
2743		3675
2744	# don't, removes xs symbols, too,	3676	# don't, removes xs symbols, too,
2745	# and global variables created in xs	3677	# and global variables created in xs
2746	#Symbol::delete_package __PACKAGE__;	3678	#clear_package __PACKAGE__;
2747		3679
2748	warn "unload completed, starting to reload now";	3680	warn "unload completed, starting to reload now";
2749		3681
2750	warn "reloading cf.pm";	3682	warn "reloading cf.pm";
2751	require cf;	3683	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3684	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753		3685
2754	warn "loading config and database again";	3686	warn "loading config and database again";
2755	cf::cfg_load;	3687	cf::reload_config;
2756		3688
2757	warn "loading extensions";	3689	warn "loading extensions";
2758	cf::load_extensions;	3690	cf::load_extensions;
2759		3691
		3692	if ($REATTACH_ON_RELOAD) {
2760	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
2761	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
2762	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
2763	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
2764	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
2765	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
		3699	}
2766		3700
		3701	warn "running post_init jobs";
		3702	(pop @POST_INIT)->(1) while @POST_INIT;
		3703
2767	warn "leaving sync_job";	3704	warn "leaving sync_job";
2768		3705
2769	1	3706	1
2770	} or do {	3707	} or do {
2771	warn $@;	3708	warn $@;
2772	warn "error while reloading, exiting.";	3709	cf::cleanup "error while reloading, exiting.";
2773	exit 1;
2774	};	3710	};
2775		3711
2776	warn "reloaded";	3712	warn "reloaded";
		3713	--$RELOAD;
		3714	}
		3715
		3716	$t1 = EV::time - $t1;
		3717	warn "reload completed in ${t1}s\n";
2777	};	3718	};
2778		3719
2779	our $RELOAD_WATCHER; # used only during reload	3720	our $RELOAD_WATCHER; # used only during reload
2780		3721
2781	sub reload_perl() {	3722	sub reload_perl() {
2782	# doing reload synchronously and two reloads happen back-to-back,	3723	# doing reload synchronously and two reloads happen back-to-back,
2783	# coro crashes during coro_state_free->destroy here.	3724	# coro crashes during coro_state_free->destroy here.
2784		3725
2785	$RELOAD_WATCHER ||= Event->timer (	3726	$RELOAD_WATCHER ||= cf::async {
2786	reentrant => 0,	3727	Coro::AIO::aio_wait cache_extensions;
2787	after => 0,	3728
2788	data => WF_AUTOCANCEL,	3729	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2789	cb => sub {
2790	do_reload_perl;	3730	do_reload_perl;
2791	undef $RELOAD_WATCHER;	3731	undef $RELOAD_WATCHER;
2792	},	3732	};
2793	);	3733	};
2794	}	3734	}
2795		3735
2796	register_command "reload" => sub {	3736	register_command "reload" => sub {
2797	my ($who, $arg) = @_;	3737	my ($who, $arg) = @_;
2798		3738
2799	if ($who->flag (FLAG_WIZ)) {	3739	if ($who->flag (FLAG_WIZ)) {
2800	$who->message ("reloading server.");	3740	$who->message ("reloading server.");
		3741	async {
		3742	$Coro::current->{desc} = "perl_reload";
2801	async { reload_perl };	3743	reload_perl;
		3744	};
2802	}	3745	}
2803	};	3746	};
2804		3747
2805	unshift @INC, $LIBDIR;	3748	unshift @INC, $LIBDIR;
2806		3749
…		…
2808		3751
2809	our @WAIT_FOR_TICK;	3752	our @WAIT_FOR_TICK;
2810	our @WAIT_FOR_TICK_BEGIN;	3753	our @WAIT_FOR_TICK_BEGIN;
2811		3754
2812	sub wait_for_tick {	3755	sub wait_for_tick {
2813	return unless $TICK_WATCHER->is_active;
2814	return if $Coro::current == $Coro::main;	3756	return if tick_inhibit || $Coro::current == $Coro::main;
2815		3757
2816	my $signal = new Coro::Signal;	3758	my $signal = new Coro::Signal;
2817	push @WAIT_FOR_TICK, $signal;	3759	push @WAIT_FOR_TICK, $signal;
2818	$signal->wait;	3760	$signal->wait;
2819	}	3761	}
2820		3762
2821	sub wait_for_tick_begin {	3763	sub wait_for_tick_begin {
2822	return unless $TICK_WATCHER->is_active;
2823	return if $Coro::current == $Coro::main;	3764	return if tick_inhibit || $Coro::current == $Coro::main;
2824		3765
2825	my $signal = new Coro::Signal;	3766	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	3767	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	3768	$signal->wait;
2828	}	3769	}
2829		3770
2830	$TICK_WATCHER = Event->timer (	3771	sub tick {
2831	reentrant => 0,
2832	parked => 1,
2833	prio => 0,
2834	at => $NEXT_TICK || $TICK,
2835	data => WF_AUTOCANCEL,
2836	cb => sub {
2837	if ($Coro::current != $Coro::main) {	3772	if ($Coro::current != $Coro::main) {
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3773	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3774	unless ++$bug_warning > 10;
2840	return;	3775	return;
2841	}	3776	}
2842		3777
2843	$NOW = Event::time;
2844
2845	cf::server_tick; # one server iteration	3778	cf::server_tick; # one server iteration
2846		3779
2847	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;
2849
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3780	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851	$NEXT_RUNTIME_WRITE = $NOW + 10;	3781	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852	Coro::async_pool {	3782	Coro::async_pool {
		3783	$Coro::current->{desc} = "runtime saver";
2853	write_runtime	3784	write_runtime_sync
2854	or warn "ERROR: unable to write runtime file: $!";	3785	or warn "ERROR: unable to write runtime file: $!";
2855	};
2856	}	3786	};
		3787	}
2857		3788
2858	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#
2860
2861	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;
2866
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3789	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868	$sig->send;	3790	$sig->send;
2869	}	3791	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {	3792	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;	3793	$sig->send;
2872	}
2873
2874	_post_tick;
2875	},	3794	}
2876	);	3795
		3796	$LOAD = ($NOW - $TICK_START) / $TICK;
		3797	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3798
		3799	if (0) {
		3800	if ($NEXT_TICK) {
		3801	my $jitter = $TICK_START - $NEXT_TICK;
		3802	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3803	warn "jitter $JITTER\n";#d#
		3804	}
		3805	}
		3806	}
2877		3807
2878	{	3808	{
2879	BDB::max_poll_time $TICK * 0.1;	3809	# configure BDB
2880	$BDB_POLL_WATCHER = Event->io (	3810
2881	reentrant => 0,
2882	fd => BDB::poll_fileno,
2883	poll => 'r',
2884	prio => 0,
2885	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,
2887	);
2888	BDB::min_parallel 8;	3811	BDB::min_parallel 8;
2889		3812	BDB::max_poll_reqs $TICK * 0.1;
2890	BDB::set_sync_prepare {	3813	$AnyEvent::BDB::WATCHER->priority (1);
2891	my $status;
2892	my $current = $Coro::current;
2893	(
2894	sub {
2895	$status = $!;
2896	$current->ready; undef $current;
2897	},
2898	sub {
2899	Coro::schedule while defined $current;
2900	$! = $status;
2901	},
2902	)
2903	};
2904		3814
2905	unless ($DB_ENV) {	3815	unless ($DB_ENV) {
2906	$DB_ENV = BDB::db_env_create;	3816	$DB_ENV = BDB::db_env_create;
		3817	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3818	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3819	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3820	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3821	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907		3822
2908	cf::sync_job {	3823	cf::sync_job {
2909	eval {	3824	eval {
2910	BDB::db_env_open	3825	BDB::db_env_open
2911	$DB_ENV,	3826	$DB_ENV,
…		…
2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3828	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3829	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	3830	0666;
2916		3831
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3832	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920	$DB_ENV->set_lk_detect;
2921	};	3833	};
2922		3834
2923	cf::cleanup "db_env_open(db): $@" if $@;	3835	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	3836	};
2925	}	3837	}
		3838
		3839	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3840	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3841	};
		3842	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3843	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3844	};
		3845	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3846	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3847	};
2926	}	3848	}
2927		3849
2928	{	3850	{
		3851	# configure IO::AIO
		3852
2929	IO::AIO::min_parallel 8;	3853	IO::AIO::min_parallel 8;
2930
2931	undef $Coro::AIO::WATCHER;
2932	IO::AIO::max_poll_time $TICK * 0.1;	3854	IO::AIO::max_poll_time $TICK * 0.1;
2933	$AIO_POLL_WATCHER = Event->io (	3855	undef $AnyEvent::AIO::WATCHER;
2934	reentrant => 0,
2935	data => WF_AUTOCANCEL,
2936	fd => IO::AIO::poll_fileno,
2937	poll => 'r',
2938	prio => 6,
2939	cb => \&IO::AIO::poll_cb,
2940	);
2941	}	3856	}
2942		3857
2943	my $_log_backtrace;	3858	my $_log_backtrace;
2944		3859
2945	sub _log_backtrace {	3860	sub _log_backtrace {
…		…
2948	$msg =~ s/\n//;	3863	$msg =~ s/\n//;
2949		3864
2950	# limit the # of concurrent backtraces	3865	# limit the # of concurrent backtraces
2951	if ($_log_backtrace < 2) {	3866	if ($_log_backtrace < 2) {
2952	++$_log_backtrace;	3867	++$_log_backtrace;
		3868	my $perl_bt = Carp::longmess $msg;
2953	async {	3869	async {
		3870	$Coro::current->{desc} = "abt $msg";
		3871
2954	my @bt = fork_call {	3872	my @bt = fork_call {
2955	@addr = map { sprintf "%x", $_ } @addr;	3873	@addr = map { sprintf "%x", $_ } @addr;
2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3874	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3875	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958	or die "addr2line: $!";	3876	or die "addr2line: $!";
…		…
2966	}	3884	}
2967		3885
2968	@funcs	3886	@funcs
2969	};	3887	};
2970		3888
2971	LOG llevInfo, "[ABT] $msg\n";	3889	LOG llevInfo, "[ABT] $perl_bt\n";
		3890	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2972	LOG llevInfo, "[ABT] $_\n" for @bt;	3891	LOG llevInfo, "[ABT] $_\n" for @bt;
2973	--$_log_backtrace;	3892	--$_log_backtrace;
2974	};	3893	};
2975	} else {	3894	} else {
2976	LOG llevInfo, "[ABT] $msg\n";	3895	LOG llevInfo, "[ABT] $msg\n";

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