ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.268 by root, Tue May 22 10:50:00 2007 UTC vs.
Revision 1.456 by root, Tue Sep 30 04:00:35 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		74
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		76
49	our %COMMAND = ();	77	our %COMMAND = ();
50	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
51		79
52	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
56		85
57	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	87	our @EVENT;
59		88
60	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	90	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
71		104
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	107	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	113	our $DB_ENV;
82		114
83	our %CFG;	115	our %CFG;
84		116
85	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
87		120
88	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
91		124
92	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		127
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
98		134
99	binmode STDOUT;	135	binmode STDOUT;
100	binmode STDERR;	136	binmode STDERR;
101		137
102	# read virtual server time, if available	138	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	140	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
107	}	143	}
108		144
109	mkdir $_	145	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
155		191
156	The raw value load value from the last tick.	192	The raw value load value from the last tick.
157		193
158	=item %cf::CFG	194	=item %cf::CFG
159		195
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	197	from wherever your confdir points to.
162		198
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		200
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	201	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	202	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	203	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		204
		205	=item @cf::INVOKE_RESULTS
		206
		207	This array contains the results of the last C<invoke ()> call. When
		208	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		209	that call.
		210
169	=back	211	=back
170		212
171	=cut	213	=cut
172		214
173	BEGIN {	215	BEGIN {
…		…
177	$msg .= "\n"	219	$msg .= "\n"
178	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
179		221
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		223
182	utf8::encode $msg;
183	LOG llevError, $msg;	224	LOG llevError, $msg;
184	};	225	};
185	}	226	}
		227
		228	$Coro::State::DIEHOOK = sub {
		229	return unless $^S eq 0; # "eq", not "=="
		230
		231	if ($Coro::current == $Coro::main) {#d#
		232	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		233	return;#d#
		234	}#d#
		235
		236	# kill coroutine otherwise
		237	warn Carp::longmess $_[0];
		238	Coro::terminate
		239	};
		240
		241	$SIG{__DIE__} = sub { }; #d#?
186		242
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	247	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		248	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	249	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		250
194	# we bless all objects into (empty) derived classes to force a method lookup	251	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	252	# within the Safe compartment.
196	for my $pkg (qw(	253	for my $pkg (qw(
197	cf::global cf::attachable	254	cf::global cf::attachable
198	cf::object cf::object::player	255	cf::object cf::object::player
199	cf::client cf::player	256	cf::client cf::player
200	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
201	cf::map cf::party cf::region	259	cf::party cf::region
202	)) {	260	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	262	}
206		263
207	$Event::DIED = sub {	264	$EV::DIED = sub {
208	warn "error in event callback: @_";	265	warn "error in event callback: @_";
209	};	266	};
		267
		268	#############################################################################
210		269
211	=head2 UTILITY FUNCTIONS	270	=head2 UTILITY FUNCTIONS
212		271
213	=over 4	272	=over 4
214		273
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	293	$d
235	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
236	}	295	}
237		296
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
241		298
242	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
243		300
244	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
245		302
246	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
		304
		305	=cut
		306
		307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		308
		309	sub encode_json($) { $json_coder->encode ($_[0]) }
		310	sub decode_json($) { $json_coder->decode ($_[0]) }
		311
		312	=item cf::post_init { BLOCK }
		313
		314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		315	but I<before> the server starts ticking again.
		316
		317	The cdoeblock will have a single boolean argument to indicate whether this
		318	is a reload or not.
		319
		320	=cut
		321
		322	sub post_init(&) {
		323	push @POST_INIT, shift;
		324	}
247		325
248	=item cf::lock_wait $string	326	=item cf::lock_wait $string
249		327
250	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
251		329
…		…
254	Wait until the given lock is available and then acquires it and returns	332	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	333	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
257	returned.	335	returned.
258		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
259	Lock names should begin with a unique identifier (for example, cf::map::find	340	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
261		342
262	=item $locked = cf::lock_active $string	343	=item $locked = cf::lock_active $string
263		344
264	Return true if the lock is currently active, i.e. somebody has locked it.	345	Return true if the lock is currently active, i.e. somebody has locked it.
265		346
266	=cut	347	=cut
267		348
268	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
269		351
270	sub lock_wait($) {	352	sub lock_wait($) {
271	my ($key) = @_;	353	my ($key) = @_;
272		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
273	# wait for lock, if any	360	# wait for lock, if any
274	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
275	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	364	Coro::schedule;
277	}	365	}
278	}	366	}
279		367
…		…
282		370
283	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
284	lock_wait $key;	372	lock_wait $key;
285		373
286	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
287		376
288	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
291	}	381	}
292	}	382	}
293		383
…		…
296		386
297	! ! $LOCK{$key}	387	! ! $LOCK{$key}
298	}	388	}
299		389
300	sub freeze_mainloop {	390	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
302		392
303	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
304	$TICK_WATCHER->start;	394	}
		395
		396	=item cf::periodic $interval, $cb
		397
		398	Like EV::periodic, but randomly selects a starting point so that the actions
		399	get spread over timer.
		400
		401	=cut
		402
		403	sub periodic($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
305	};	454	}
306	$TICK_WATCHER->stop;	455	};
307	$guard	456
		457	sub get_slot($;$$) {
		458	return if tick_inhibit || $Coro::current == $Coro::main;
		459
		460	my ($time, $pri, $name) = @_;
		461
		462	$time = $TICK * .6 if $time > $TICK * .6;
		463	my $sig = new Coro::Signal;
		464
		465	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		466	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		467	$SLOT_QUEUE->ready;
		468	$sig->wait;
308	}	469	}
309		470
310	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
311		472
312	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		478
318	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
319		480
320	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
321		482
322	The design of crossfire+ requires that the main coro ($Coro::main) is	483	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	484	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		486	acceptable.
325		487
326	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	490	server will be frozen during this time, so the block should either finish
329	fast or be very important.	491	fast or be very important.
…		…
332		494
333	sub sync_job(&) {	495	sub sync_job(&) {
334	my ($job) = @_;	496	my ($job) = @_;
335		497
336	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	499	my $time = EV::time;
338		500
339	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
341		503
342	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	505
344	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
345		507
346	my $busy = 1;	508	my $busy = 1;
347	my @res;	509	my @res;
348		510
349	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	513	@res = eval { $job->() };
351	warn $@ if $@;	514	warn $@ if $@;
352	undef $busy;	515	undef $busy;
353	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
354		517
355	while ($busy) {	518	while ($busy) {
356	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
357	}	523	}
		524	}
358		525
359	$time = Event::time - $time;	526	my $time = EV::time - $time;
360		527
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	528	$TICK_START += $time; # do not account sync jobs to server load
365		529
366	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
367	} else {	531	} else {
368	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
369		533
…		…
389	$EXT_CORO{$coro+0} = $coro;	553	$EXT_CORO{$coro+0} = $coro;
390		554
391	$coro	555	$coro
392	}	556	}
393		557
394	sub write_runtime {	558	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		559
397	# first touch the runtime file to show we are still running:	560	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	561	process, returning the results. Everything must be serialisable with
		562	Coro::Storable. May, of course, block. Note that the executed sub may
		563	never block itself or use any form of event handling.
399		564
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	565	=cut
401	utime undef, undef, $fh;	566
		567	sub fork_call(&@) {
		568	my ($cb, @args) = @_;
		569
		570	# we seemingly have to make a local copy of the whole thing,
		571	# otherwise perl prematurely frees the stuff :/
		572	# TODO: investigate and fix (likely this will be rather laborious)
		573
		574	my @res = Coro::Util::fork_eval {
		575	reset_signals;
		576	&$cb
		577	}, @args;
		578
		579	wantarray ? @res : $res[-1]
		580	}
		581
		582	=item $coin = coin_from_name $name
		583
		584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
		607	}
		608
		609	=item $value = cf::db_get $family => $key
		610
		611	Returns a single value from the environment database.
		612
		613	=item cf::db_put $family => $key => $value
		614
		615	Stores the given C<$value> in the family. It can currently store binary
		616	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		617
		618	=item $db = cf::db_table "name"
		619
		620	Create and/or open a new database table. The string must not be "db" and must be unique
		621	within each server.
		622
		623	=cut
		624
		625	sub db_table($) {
		626	my ($name) = @_;
		627	my $db = BDB::db_create $DB_ENV;
		628
		629	eval {
		630	$db->set_flags (BDB::CHKSUM);
		631
		632	utf8::encode $name;
		633	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		634	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		635	cf::cleanup "db_open(db): $!" if $!;
402	}	636	};
		637	cf::cleanup "db_open(db): $@" if $@;
403		638
404	my $guard = cf::lock_acquire "write_runtime";	639	$db
		640	}
405		641
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	642	our $DB;
407	or return;
408		643
409	my $value = $cf::RUNTIME + 90 + 10;	644	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	645	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	646	$DB ||= db_table "db";
		647	};
		648	}
412		649
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	650	sub db_get($$) {
414	and return;	651	my $key = "$_[0]/$_[1]";
415		652
416	# always fsync - this file is important	653	cf::sync_job {
417	aio_fsync $fh	654	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		655
420	# touch it again to show we are up-to-date	656	$! ? ()
421	utime undef, undef, $fh;	657	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	658	}
		659	}
		660
		661	sub db_put($$$) {
		662	BDB::dbreq_pri 4;
		663	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		664	}
		665
		666	=item cf::cache $id => [$paths...], $processversion => $process
		667
		668	Generic caching function that returns the value of the resource $id,
		669	caching and regenerating as required.
		670
		671	This function can block.
		672
		673	=cut
		674
		675	sub cache {
		676	my ($id, $src, $processversion, $process) = @_;
		677
		678	my $meta =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	aio_stat $_
		683	and Carp::croak "$_: $!";
		684
		685	($_, (stat _)[7,9])
		686	} @$src;
		687
		688	my $dbmeta = db_get cache => "$id/meta";
		689	if ($dbmeta ne $meta) {
		690	# changed, we may need to process
		691
		692	my @data;
		693	my $md5;
		694
		695	for (0 .. $#$src) {
		696	0 <= aio_load $src->[$_], $data[$_]
		697	or Carp::croak "$src->[$_]: $!";
		698	}
		699
		700	# if processing is expensive, check
		701	# checksum first
		702	if (1) {
		703	$md5 =
		704	join "\x00",
		705	$processversion,
		706	map {
		707	cf::cede_to_tick;
		708	($src->[$_], Digest::MD5::md5_hex $data[$_])
		709	} 0.. $#$src;
		710
		711
		712	my $dbmd5 = db_get cache => "$id/md5";
		713	if ($dbmd5 eq $md5) {
		714	db_put cache => "$id/meta", $meta;
		715
		716	return db_get cache => "$id/data";
		717	}
		718	}
		719
		720	my $t1 = Time::HiRes::time;
		721	my $data = $process->(\@data);
		722	my $t2 = Time::HiRes::time;
		723
		724	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		725
		726	db_put cache => "$id/data", $data;
		727	db_put cache => "$id/md5" , $md5;
		728	db_put cache => "$id/meta", $meta;
		729
		730	return $data;
		731	}
		732
		733	db_get cache => "$id/data"
432	}	734	}
433		735
434	=item cf::datalog type => key => value, ...	736	=item cf::datalog type => key => value, ...
435		737
436	Log a datalog packet of the given type with the given key-value pairs.	738	Log a datalog packet of the given type with the given key-value pairs.
…		…
448		750
449	#############################################################################	751	#############################################################################
450		752
451	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
452		754
453	Many objects in crossfire are so-called attachable objects. That means you can	755	Many objects in deliantra are so-called attachable objects. That means you can
454	attach callbacks/event handlers (a collection of which is called an "attachment")	756	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
456		758
457	In the following description, CLASS can be any of C<global>, C<object>	759	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	760	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	761	Deliantra).
460		762
461	=over 4	763	=over 4
462		764
463	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
464		766
…		…
508	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
509		811
510	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
512		814
513	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
514	that are attached at load/instantiate time, thus the need for a name.	816	that are attached at load/instantiate time, thus the need for a name.
515		817
516	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
517		819
518	=over 4	820	=over 4
…		…
666	_attach $registry, $klass, @attach;	968	_attach $registry, $klass, @attach;
667	}	969	}
668		970
669	$obj->{$name} = \%arg;	971	$obj->{$name} = \%arg;
670	} else {	972	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	973	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	974	}
673		975
674	$obj->{_attachment}{$name} = undef;	976	$obj->{_attachment}{$name} = undef;
675	}	977	}
676		978
…		…
716	";	1018	";
717	die if $@;	1019	die if $@;
718	}	1020	}
719		1021
720	our $override;	1022	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1023	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		1024
723	sub override {	1025	sub override {
724	$override = 1;	1026	$override = 1;
725	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
726	}	1028	}
727		1029
728	sub do_invoke {	1030	sub do_invoke {
729	my $event = shift;	1031	my $event = shift;
730	my $callbacks = shift;	1032	my $callbacks = shift;
731		1033
732	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
733		1035
734	local $override;	1036	local $override;
735		1037
736	for (@$callbacks) {	1038	for (@$callbacks) {
737	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
746	}	1048	}
747		1049
748	0	1050	0
749	}	1051	}
750		1052
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1054
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1056
755	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
756		1058
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1059	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	1060	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1062
761	=back	1063	=back
762		1064
763	=cut	1065	=cut
764		1066
765	#############################################################################	1067	#############################################################################
766	# object support	1068	# object support
		1069
		1070	sub _object_equal($$);
		1071	sub _object_equal($$) {
		1072	my ($a, $b) = @_;
		1073
		1074	return 0 unless (ref $a) eq (ref $b);
		1075
		1076	if ("HASH" eq ref $a) {
		1077	my @ka = keys %$a;
		1078	my @kb = keys %$b;
		1079
		1080	return 0 if @ka != @kb;
		1081
		1082	for (0 .. $#ka) {
		1083	return 0 unless $ka[$_] eq $kb[$_];
		1084	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1085	}
		1086
		1087	} elsif ("ARRAY" eq ref $a) {
		1088
		1089	return 0 if @$a != @$b;
		1090
		1091	for (0 .. $#$a) {
		1092	return 0 unless _object_equal $a->[$_], $b->[$_];
		1093	}
		1094
		1095	} elsif ($a ne $b) {
		1096	return 0;
		1097	}
		1098
		1099	1
		1100	}
		1101
		1102	our $SLOW_MERGES;#d#
		1103	sub _can_merge {
		1104	my ($ob1, $ob2) = @_;
		1105
		1106	++$SLOW_MERGES;#d#
		1107
		1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
		1110	}
767		1111
768	sub reattach {	1112	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1114	my ($obj) = @_;
771		1115
		1116	# no longer needed after getting rid of delete_package?
772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1117	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773		1118
774	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
775		1120
776	@$registry = ();	1121	@$registry = ();
777		1122
…		…
792	cf::attachable->attach (	1137	cf::attachable->attach (
793	prio => -1000000,	1138	prio => -1000000,
794	on_instantiate => sub {	1139	on_instantiate => sub {
795	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
796		1141
797	$data = from_json $data;	1142	$data = decode_json $data;
798		1143
799	for (@$data) {	1144	for (@$data) {
800	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
801		1146
802	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1163	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
820		1165
821	sync_job {	1166	sync_job {
822	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
825		1171
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1176	aio_close $fh;
831		1177
832	if (@$objs) {	1178	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1184	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
840	}	1186	}
841	} else {	1187	} else {
842	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
843	}	1189	}
844		1190
845	aio_rename "$filename~", $filename;	1191	aio_rename "$filename~", $filename;
		1192
		1193	$filename =~ s%/[^/]+$%%;
		1194	aio_pathsync $filename;
846	} else {	1195	} else {
847	warn "FATAL: $filename~: $!\n";	1196	warn "FATAL: $filename~: $!\n";
848	}	1197	}
849	} else {	1198	} else {
850	aio_unlink $filename;	1199	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1200	aio_unlink "$filename.pst";
852	}	1201	}
853	}	1202	};
854	}	1203	}
855		1204
856	sub object_freezer_as_string {	1205	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1206	my ($rdata, $objs) = @_;
858		1207
…		…
870	or return;	1219	or return;
871		1220
872	unless (aio_stat "$filename.pst") {	1221	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1222	(aio_load "$filename.pst", $av) >= 0
874	or return;	1223	or return;
		1224
875	$av = eval { (Storable::thaw $av)->{objs} };	1225	my $st = eval { Coro::Storable::thaw $av };
		1226	$av = $st->{objs};
876	}	1227	}
877		1228
		1229	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1230	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1231	$decname, length $data, scalar @{$av || []};
		1232
880	return ($data, $av);	1233	($data, $av)
881	}	1234	}
		1235
		1236	=head2 COMMAND CALLBACKS
		1237
		1238	=over 4
		1239
		1240	=cut
882		1241
883	#############################################################################	1242	#############################################################################
884	# command handling &c	1243	# command handling &c
885		1244
886	=item cf::register_command $name => \&callback($ob,$args);	1245	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1258	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1259	}
901		1260
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1261	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1262
904	Register a callbackf ro execution when the client sends an extcmd packet.	1263	Register a callback for execution when the client sends an (synchronous)
		1264	extcmd packet. Ext commands will be processed in the order they are
		1265	received by the server, like other user commands. The first argument is
		1266	the logged-in player. Ext commands can only be processed after a player
		1267	has logged in successfully.
905		1268
906	If the callback returns something, it is sent back as if reply was being	1269	If the callback returns something, it is sent back as if reply was being
907	called.	1270	called.
908		1271
		1272	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1273
		1274	Register a callback for execution when the client sends an (asynchronous)
		1275	exticmd packet. Exti commands are processed by the server as soon as they
		1276	are received, i.e. out of order w.r.t. other commands. The first argument
		1277	is a client socket. Exti commands can be received anytime, even before
		1278	log-in.
		1279
		1280	If the callback returns something, it is sent back as if reply was being
		1281	called.
		1282
909	=cut	1283	=cut
910		1284
911	sub register_extcmd {	1285	sub register_extcmd {
912	my ($name, $cb) = @_;	1286	my ($name, $cb) = @_;
913		1287
914	$EXTCMD{$name} = $cb;	1288	$EXTCMD{$name} = $cb;
		1289	}
		1290
		1291	sub register_exticmd {
		1292	my ($name, $cb) = @_;
		1293
		1294	$EXTICMD{$name} = $cb;
915	}	1295	}
916		1296
917	cf::player->attach (	1297	cf::player->attach (
918	on_command => sub {	1298	on_command => sub {
919	my ($pl, $name, $params) = @_;	1299	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1308	cf::override;
929	},	1309	},
930	on_extcmd => sub {	1310	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1311	my ($pl, $buf) = @_;
932		1312
933	my $msg = eval { from_json $buf };	1313	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1314
935	if (ref $msg) {	1315	if (ref $msg) {
		1316	my ($type, $reply, @payload) =
		1317	"ARRAY" eq ref $msg
		1318	? @$msg
		1319	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1320
		1321	my @reply;
		1322
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1323	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1324	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1325	}
		1326
		1327	$pl->ext_reply ($reply, @reply)
		1328	if $reply;
		1329
941	} else {	1330	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1331	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1332	}
944		1333
945	cf::override;	1334	cf::override;
946	},	1335	},
947	);	1336	);
948		1337
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1338	sub load_extensions {
		1339	cf::sync_job {
		1340	my %todo;
		1341
984	for my $ext (<$LIBDIR/*.ext>) {	1342	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1343	next unless -r $path;
986	eval {	1344
987	load_extension $ext;	1345	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1346	my $base = $1;
		1347	my $pkg = $1;
		1348	$pkg =~ s/[^[:word:]]/_/g;
		1349	$pkg = "ext::$pkg";
		1350
		1351	open my $fh, "<:utf8", $path
		1352	or die "$path: $!";
		1353
		1354	my $source = do { local $/; <$fh> };
		1355
		1356	my %ext = (
		1357	path => $path,
		1358	base => $base,
		1359	pkg => $pkg,
		1360	);
		1361
		1362	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1363	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1364
		1365	$ext{source} =
		1366	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1367	. "#line 1 \"$path\"\n{\n"
		1368	. $source
		1369	. "\n};\n1";
		1370
		1371	$todo{$base} = \%ext;
		1372	}
		1373
		1374	my %done;
		1375	while (%todo) {
		1376	my $progress;
		1377
		1378	while (my ($k, $v) = each %todo) {
		1379	for (split /,\s*/, $v->{meta}{depends}) {
		1380	goto skip
		1381	unless exists $done{$_};
		1382	}
		1383
		1384	warn "... loading '$k' into '$v->{pkg}'\n";
		1385
		1386	unless (eval $v->{source}) {
		1387	my $msg = $@ ? "$v->{path}: $@\n"
		1388	: "$v->{base}: extension inactive.\n";
		1389
		1390	if (exists $v->{meta}{mandatory}) {
		1391	warn $msg;
		1392	cf::cleanup "mandatory extension failed to load, exiting.";
		1393	}
		1394
		1395	warn $msg;
		1396	}
		1397
		1398	$done{$k} = delete $todo{$k};
		1399	push @EXTS, $v->{pkg};
		1400	$progress = 1;
988	1	1401	}
989	} or warn "$ext not loaded: $@";	1402
		1403	skip:
		1404	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1405	unless $progress;
		1406	}
990	}	1407	};
991	}	1408	}
992		1409
993	#############################################################################	1410	#############################################################################
994		1411
		1412	=back
		1413
995	=head2 CORE EXTENSIONS	1414	=head2 CORE EXTENSIONS
996		1415
997	Functions and methods that extend core crossfire objects.	1416	Functions and methods that extend core deliantra objects.
998		1417
999	=cut	1418	=cut
1000		1419
1001	package cf::player;	1420	package cf::player;
1002		1421
1003	use Coro::AIO;	1422	use Coro::AIO;
1004		1423
1005	=head3 cf::player	1424	=head3 cf::player
1006		1425
1007	=over 4	1426	=over 4
		1427
		1428	=item cf::player::num_playing
		1429
		1430	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1431
		1432	=cut
		1433
		1434	sub num_playing {
		1435	scalar grep
		1436	$_->ob->map
		1437	&& !$_->hidden
		1438	&& !$_->ob->flag (cf::FLAG_WIZ),
		1439	cf::player::list
		1440	}
1008		1441
1009	=item cf::player::find $login	1442	=item cf::player::find $login
1010		1443
1011	Returns the given player object, loading it if necessary (might block).	1444	Returns the given player object, loading it if necessary (might block).
1012		1445
…		…
1031		1464
1032	sub exists($) {	1465	sub exists($) {
1033	my ($login) = @_;	1466	my ($login) = @_;
1034		1467
1035	$cf::PLAYER{$login}	1468	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1469	or !aio_stat path $login
1037	}	1470	}
1038		1471
1039	sub find($) {	1472	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1473	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1474	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1481	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1482	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1483	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1484	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1485
1053	my $pl = load_pl path $login	1486	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1487	or return;
		1488
		1489	my $pl = cf::player::load_pl $f
		1490	or return;
		1491
		1492	local $cf::PLAYER_LOADING{$login} = $pl;
		1493	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1494	$cf::PLAYER{$login} = $pl
1056	}	1495	}
1057	}	1496	}
1058	}	1497	}
1059		1498
…		…
1068	return if $pl->{deny_save};	1507	return if $pl->{deny_save};
1069		1508
1070	aio_mkdir playerdir $pl, 0770;	1509	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1510	$pl->{last_save} = $cf::RUNTIME;
1072		1511
		1512	cf::get_slot 0.01;
		1513
1073	$pl->save_pl ($path);	1514	$pl->save_pl ($path);
1074	Coro::cede;	1515	cf::cede_to_tick;
1075	}	1516	}
1076		1517
1077	sub new($) {	1518	sub new($) {
1078	my ($login) = @_;	1519	my ($login) = @_;
1079		1520
…		…
1085	$cf::PLAYER{$login} = $self;	1526	$cf::PLAYER{$login} = $self;
1086		1527
1087	$self	1528	$self
1088	}	1529	}
1089		1530
		1531	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1532
		1533	=cut
		1534
		1535	sub send_msg {
		1536	my $ns = shift->ns
		1537	or return;
		1538	$ns->send_msg (@_);
		1539	}
		1540
1090	=item $pl->quit_character	1541	=item $pl->quit_character
1091		1542
1092	Nukes the player without looking back. If logged in, the connection will	1543	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1544	be destroyed. May block for a long time.
1094		1545
…		…
1098	my ($pl) = @_;	1549	my ($pl) = @_;
1099		1550
1100	my $name = $pl->ob->name;	1551	my $name = $pl->ob->name;
1101		1552
1102	$pl->{deny_save} = 1;	1553	$pl->{deny_save} = 1;
1103	$pl->password ("*"); # this should lock out the player until we nuked the dir	1554	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1104		1555
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1556	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1557	$pl->deactivate;
		1558	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1559	$pl->ob->check_score;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1560	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1561	$pl->ns->destroy if $pl->ns;
1109		1562
1110	my $path = playerdir $pl;	1563	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1564	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1600	or return [];
1148		1601
1149	my @logins;	1602	my @logins;
1150		1603
1151	for my $login (@$dirs) {	1604	for my $login (@$dirs) {
		1605	my $path = path $login;
		1606
		1607	# a .pst is a dead give-away for a valid player
		1608	# if no pst file found, open and chekc for blocked users
		1609	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1610	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1611	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1612	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1613	}
1155		1614
1156	utf8::decode $login;	1615	utf8::decode $login;
1157	push @logins, $login;	1616	push @logins, $login;
1158	}	1617	}
1159		1618
…		…
1186	}	1645	}
1187		1646
1188	\@paths	1647	\@paths
1189	}	1648	}
1190		1649
		1650	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1651
		1652	Expand deliantra pod fragments into protocol xml.
		1653
1191	=item $player->ext_reply ($msgid, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1192		1655
1193	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1194		1657
1195	=cut	1658	=cut
1196		1659
1197	sub ext_reply($$%) {	1660	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1199		1662
1200	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1664	}
1204		1665
1205	=item $player->ext_event ($type, %msg)	1666	=item $player->ext_msg ($type, @msg)
1206		1667
1207	Sends an ext event to the client.	1668	Sends an ext event to the client.
1208		1669
1209	=cut	1670	=cut
1210		1671
1211	sub ext_event($$%) {	1672	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1673	my ($self, $type, @msg) = @_;
1213		1674
1214	$self->ns->ext_event ($type, %msg);	1675	$self->ns->ext_msg ($type, @msg);
1215	}	1676	}
1216		1677
1217	=head3 cf::region	1678	=head3 cf::region
1218		1679
1219	=over 4	1680	=over 4
…		…
1222		1683
1223	package cf::region;	1684	package cf::region;
1224		1685
1225	=item cf::region::find_by_path $path	1686	=item cf::region::find_by_path $path
1226		1687
1227	Tries to decuce the probable region for a map knowing only its path.	1688	Tries to decuce the likely region for a map knowing only its path.
1228		1689
1229	=cut	1690	=cut
1230		1691
1231	sub find_by_path($) {	1692	sub find_by_path($) {
1232	my ($path) = @_;	1693	my ($path) = @_;
1233		1694
1234	my ($match, $specificity);	1695	my ($match, $specificity);
1235		1696
1236	for my $region (list) {	1697	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1698	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1699	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1700	if $region->specificity > $specificity;
1240	}	1701	}
1241	}	1702	}
1242		1703
…		…
1263	our $MAX_RESET = 3600;	1724	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1725	our $DEFAULT_RESET = 3000;
1265		1726
1266	sub generate_random_map {	1727	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1728	my ($self, $rmp) = @_;
		1729
		1730	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1731
1268	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1733	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1306	my ($self, $merge) = @_;	1770	my ($self, $merge) = @_;
1307		1771
1308	# we have to keep some variables in memory intact	1772	# we have to keep some variables in memory intact
1309	local $self->{path};	1773	local $self->{path};
1310	local $self->{load_path};	1774	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1775
1314	$self->SUPER::thawer_merge ($merge);	1776	$self->SUPER::thawer_merge ($merge);
1315	}	1777	}
1316		1778
1317	sub normalise {	1779	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1365	return $self;	1827	return $self;
1366	}	1828	}
1367	}	1829	}
1368		1830
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1832	()
1371	}	1833	}
1372		1834
1373	sub init {	1835	sub init {
1374	my ($self) = @_;	1836	my ($self) = @_;
…		…
1396		1858
1397	# the temporary/swap location	1859	# the temporary/swap location
1398	sub save_path {	1860	sub save_path {
1399	my ($self) = @_;	1861	my ($self) = @_;
1400		1862
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1864	"$TMPDIR/$path.map"
1403	}	1865	}
1404		1866
1405	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1406	sub uniq_path {	1868	sub uniq_path {
1407	my ($self) = @_;	1869	my ($self) = @_;
1408		1870
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1872	"$UNIQUEDIR/$path"
1411	}	1873	}
1412		1874
1413	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1414	# all maps in C++...	1876	# all maps in C++...
…		…
1417		1879
1418	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1420	}	1882	}
1421		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1422	sub unlink_save {	1892	sub unlink_save {
1423	my ($self) = @_;	1893	my ($self) = @_;
1424		1894
1425	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1899
1430	sub load_header_from($) {	1900	sub load_header_from($) {
1431	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1432		1902
1433	utf8::encode $path;	1903	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1905	or return;
		1906
		1907	$self->_load_header ($f)
		1908	or return;
		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
1439		1912
1440	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1441		1914
1442	1	1915	1
1443	}	1916	}
…		…
1482	$self->load_header_orig	1955	$self->load_header_orig
1483	or return;	1956	or return;
1484	$self->prepare_orig;	1957	$self->prepare_orig;
1485	}	1958	}
1486		1959
		1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
		1962
1487	$self->default_region (cf::region::find_by_path $self->{path})	1963	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1964	unless $self->default_region;
1489		1965
1490	1	1966	1
1491	}	1967	}
…		…
1494	sub find {	1970	sub find {
1495	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1496		1972
1497	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1498		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1500		1977
1501	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
		1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1502	my $guard = cf::lock_acquire "map_find:$path";	1980	my $guard2 = cf::lock_acquire "map_find:$path";
		1981
1503	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1504	or return;	1983	or return;
1505		1984
1506	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1507		1986
1508	$map->load_header	1987	$map->load_header
1509	or return;	1988	or return;
1510		1989
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard2;
		1994	undef $guard1;
1514	$map->reset;	1995	$map->reset;
1515	undef $guard;
1516	return find $path;	1996	return find $path;
1517	}	1997	}
1518		1998
1519	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1520	}	2000	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1530		2010
1531	my $path = $self->{path};	2011	my $path = $self->{path};
1532		2012
1533	{	2013	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1535		2015
		2016	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2018
1538	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1539		2020
1540	$self->alloc;	2021	$self->alloc;
1541		2022
1542	$self->pre_load;	2023	$self->pre_load;
1543	Coro::cede;	2024	cf::cede_to_tick;
1544		2025
		2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2028	$self->_load_objects ($f)
1546	or return;	2029	or return;
1547		2030
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->post_load_original
1549	if delete $self->{load_original};	2032	if delete $self->{load_original};
1550		2033
1551	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2035	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2038	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1556	}	2042	}
1557	}	2043	}
1558		2044
1559	Coro::cede;	2045	$f->resolve_delayed_derefs;
		2046
		2047	cf::cede_to_tick;
1560	# now do the right thing for maps	2048	# now do the right thing for maps
1561	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2051	unless $self->difficulty;
1564	Coro::cede;	2052	cf::cede_to_tick;
1565		2053
1566	unless ($self->{deny_activate}) {	2054	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2055	$self->decay_objects;
1568	$self->fix_auto_apply;	2056	$self->fix_auto_apply;
1569	$self->update_buttons;	2057	$self->update_buttons;
1570	Coro::cede;	2058	cf::cede_to_tick;
1571	$self->set_darkness_map;	2059	$self->set_darkness_map;
1572	Coro::cede;	2060	cf::cede_to_tick;
1573	$self->activate;	2061	$self->activate;
1574	}	2062	}
1575		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2067	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2068	}
1578		2069
1579	$self->post_load;	2070	$self->post_load;
1580	}	2071	}
1581		2072
…		…
1583	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1584		2075
1585	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2077	if $self->per_player;
1587		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1588	$self	2082	$self
1589	}	2083	}
1590		2084
1591	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2086	sub load_neighbours {
1593	my ($map) = @_;	2087	my ($map) = @_;
1594		2088
1595	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1596		2090
1597	for (0 .. 3) {	2091	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1599	or next;	2093	or next;
1600	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1601	or next;	2095	or next;
1602	$neigh->load;	2096	$neigh->load;
1603		2097
		2098	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2101	}
1607		2102
1608	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1610	or next;	2106	or next;
1611	$neigh->load;	2107	$neigh->load;
1612	}	2108	}
1613	}	2109	}
1614		2110
…		…
1619	}	2115	}
1620		2116
1621	sub do_load_sync {	2117	sub do_load_sync {
1622	my ($map) = @_;	2118	my ($map) = @_;
1623		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1624	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1625	}	2124	}
1626		2125
1627	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1629		2128
1630	sub find_async {	2129	sub find_async {
1631	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1632		2131
1633	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1634		2133
1635	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2136	}
1638		2137
1639	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1640	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1641	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2145	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2146	$map->load if $v;
		2147	}
1646		2148
1647	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1648	}	2150	}
1649	}	2151	}
1650	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1651	};	2153	};
1652	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2157	}
1656		2158
1657	sub save {	2159	sub save {
1658	my ($self) = @_;	2160	my ($self) = @_;
1659		2161
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2163
1662	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1663		2165
1664	return unless $self->dirty;	2166	return unless $self->dirty;
1665		2167
…		…
1671	return if $self->{deny_save};	2173	return if $self->{deny_save};
1672		2174
1673	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1674		2176
1675	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1677	};	2180	};
		2181
		2182	cf::get_slot 0.02;
1678		2183
1679	if ($uniq) {	2184	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2185	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2186	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2187	} else {
…		…
1688	my ($self) = @_;	2193	my ($self) = @_;
1689		2194
1690	# save first because save cedes	2195	# save first because save cedes
1691	$self->save;	2196	$self->save;
1692		2197
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2198	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2199
1695	return if $self->players;	2200	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2201	return if $self->in_memory != cf::MAP_ACTIVE;
1697	return if $self->{deny_save};	2202	return if $self->{deny_save};
1698		2203
		2204	$self->in_memory (cf::MAP_SWAPPED);
		2205
		2206	$self->deactivate;
		2207	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2208	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2209	}
1702		2210
1703	sub reset_at {	2211	sub reset_at {
1704	my ($self) = @_;	2212	my ($self) = @_;
1705		2213
1706	# TODO: safety, remove and allow resettable per-player maps	2214	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2215	return 1e99 if $self->{deny_reset};
1709		2216
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2217	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2218	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2219
…		…
1723	my ($self) = @_;	2230	my ($self) = @_;
1724		2231
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2232	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2233
1727	return if $self->players;	2234	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2235
1730	warn "resetting map ", $self->path;#d#	2236	warn "resetting map ", $self->path;
1731		2237
1732	$self->in_memory (cf::MAP_SWAPPED);	2238	$self->in_memory (cf::MAP_SWAPPED);
1733		2239
1734	# need to save uniques path	2240	# need to save uniques path
1735	unless ($self->{deny_save}) {	2241	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2245	if $uniq;
1740	}	2246	}
1741		2247
1742	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1743		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2252	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2253
1748	$self->unlink_save;	2254	$self->unlink_save;
1749	$self->destroy;	2255	$self->destroy;
1750	}	2256	}
1751		2257
1752	my $nuke_counter = "aaaa";	2258	my $nuke_counter = "aaaa";
1753		2259
1754	sub nuke {	2260	sub nuke {
1755	my ($self) = @_;	2261	my ($self) = @_;
1756		2262
		2263	{
		2264	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2265
1757	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1758		2267
1759	$self->unlink_save;	2268	$self->unlink_save;
1760		2269
1761	bless $self, "cf::map";	2270	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2271	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2272	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2273	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2274	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2275
1767	$cf::MAP{$self->path} = $self;	2276	$cf::MAP{$self->path} = $self;
		2277	}
1768		2278
1769	$self->reset; # polite request, might not happen	2279	$self->reset; # polite request, might not happen
		2280	}
		2281
		2282	=item $maps = cf::map::tmp_maps
		2283
		2284	Returns an arrayref with all map paths of currently instantiated and saved
		2285	maps. May block.
		2286
		2287	=cut
		2288
		2289	sub tmp_maps() {
		2290	[
		2291	map {
		2292	utf8::decode $_;
		2293	/\.map$/
		2294	? normalise $_
		2295	: ()
		2296	} @{ aio_readdir $TMPDIR or [] }
		2297	]
		2298	}
		2299
		2300	=item $maps = cf::map::random_maps
		2301
		2302	Returns an arrayref with all map paths of currently instantiated and saved
		2303	random maps. May block.
		2304
		2305	=cut
		2306
		2307	sub random_maps() {
		2308	[
		2309	map {
		2310	utf8::decode $_;
		2311	/\.map$/
		2312	? normalise "?random/$_"
		2313	: ()
		2314	} @{ aio_readdir $RANDOMDIR or [] }
		2315	]
1770	}	2316	}
1771		2317
1772	=item cf::map::unique_maps	2318	=item cf::map::unique_maps
1773		2319
1774	Returns an arrayref of paths of all shared maps that have	2320	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2321	instantiated unique items. May block.
1776		2322
1777	=cut	2323	=cut
1778		2324
1779	sub unique_maps() {	2325	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2326	[
1781	or return;	2327	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2328	utf8::decode $_;
1787	next if /\.pst$/;	2329	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2330	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2331	? ()
1790	push @paths, cf::map::normalise $_;	2332	: normalise $_
		2333	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2334	]
1792
1793	\@paths
1794	}	2335	}
1795
1796	package cf;
1797		2336
1798	=back	2337	=back
1799		2338
1800	=head3 cf::object	2339	=head3 cf::object
1801		2340
…		…
1805		2344
1806	=over 4	2345	=over 4
1807		2346
1808	=item $ob->inv_recursive	2347	=item $ob->inv_recursive
1809		2348
1810	Returns the inventory of the object _and_ their inventories, recursively.	2349	Returns the inventory of the object I<and> their inventories, recursively,
		2350	but I<not> the object itself.
1811		2351
1812	=cut	2352	=cut
1813		2353
1814	sub inv_recursive_;	2354	sub inv_recursive_;
1815	sub inv_recursive_ {	2355	sub inv_recursive_ {
…		…
1818		2358
1819	sub inv_recursive {	2359	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2360	inv_recursive_ inv $_[0]
1821	}	2361	}
1822		2362
		2363	=item $ref = $ob->ref
		2364
		2365	Creates and returns a persistent reference to an object that can be stored as a string.
		2366
		2367	=item $ob = cf::object::deref ($refstring)
		2368
		2369	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2370	even if the object actually exists. May block.
		2371
		2372	=cut
		2373
		2374	sub deref {
		2375	my ($ref) = @_;
		2376
		2377	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2378	my ($uuid, $name) = ($1, $2);
		2379	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2380	or return;
		2381	$pl->ob->uuid eq $uuid
		2382	or return;
		2383
		2384	$pl->ob
		2385	} else {
		2386	warn "$ref: cannot resolve object reference\n";
		2387	undef
		2388	}
		2389	}
		2390
1823	package cf;	2391	package cf;
1824		2392
1825	=back	2393	=back
1826		2394
1827	=head3 cf::object::player	2395	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2401	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2402	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2403	dialogue with the given NPC character.
1836		2404
1837	=cut	2405	=cut
		2406
		2407	our $SAY_CHANNEL = {
		2408	id => "say",
		2409	title => "Map",
		2410	reply => "say ",
		2411	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2412	};
		2413
		2414	our $CHAT_CHANNEL = {
		2415	id => "chat",
		2416	title => "Chat",
		2417	reply => "chat ",
		2418	tooltip => "Player chat and shouts, global to the server.",
		2419	};
1838		2420
1839	# rough implementation of a future "reply" method that works	2421	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2422	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2423	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2424	sub cf::object::player::reply($$$;$) {
…		…
1844		2426
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2427	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2428
1847	if ($self->{record_replies}) {	2429	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2430	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2431
1849	} else {	2432	} else {
		2433	my $pl = $self->contr;
		2434
		2435	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2436	my $dialog = $pl->{npc_dialog};
		2437	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2438
		2439	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2440	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2441	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2442	}
1852	}	2443	}
		2444	}
		2445
		2446	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2447
		2448	=cut
		2449
		2450	sub cf::object::send_msg {
		2451	my $pl = shift->contr
		2452	or return;
		2453	$pl->send_msg (@_);
1853	}	2454	}
1854		2455
1855	=item $player_object->may ("access")	2456	=item $player_object->may ("access")
1856		2457
1857	Returns wether the given player is authorized to access resource "access"	2458	Returns wether the given player is authorized to access resource "access"
…		…
1870		2471
1871	=item $player_object->enter_link	2472	=item $player_object->enter_link
1872		2473
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2474	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2475
1875	The player should be reasonably safe there for short amounts of time. You	2476	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2477	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2478	though, as the palyer cannot control the character while it is on the link
		2479	map.
1877		2480
1878	Will never block.	2481	Will never block.
1879		2482
1880	=item $player_object->leave_link ($map, $x, $y)	2483	=item $player_object->leave_link ($map, $x, $y)
1881		2484
…		…
1904	$self->deactivate_recursive;	2507	$self->deactivate_recursive;
1905		2508
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2509	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2510
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2512	if $self->map && $self->map->{path} ne "{link}";
1910		2513
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2514	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2515	}
1913		2516
1914	sub cf::object::player::leave_link {	2517	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2518	my ($self, $map, $x, $y) = @_;
		2519
		2520	return unless $self->contr->active;
1916		2521
1917	my $link_pos = delete $self->{_link_pos};	2522	my $link_pos = delete $self->{_link_pos};
1918		2523
1919	unless ($map) {	2524	unless ($map) {
1920	# restore original map position	2525	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2539	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2540	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2541	if $x <=0 && $y <= 0;
1937		2542
1938	$map->load;	2543	$map->load;
1939	$map->load_diag;	2544	$map->load_neighbours;
1940		2545
1941	return unless $self->contr->active;	2546	return unless $self->contr->active;
		2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1942	$self->activate_recursive;	2548	$self->activate_recursive;
1943		2549
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2551	$self->enter_map ($map, $x, $y);
1946	}	2552	}
1947		2553
1948	cf::player->attach (
1949	on_logout => sub {
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961
1962	# try to abort aborted map switching on player login :)
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979
1980	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2554	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1981		2555
1982	Moves the player to the given map-path and coordinates by first freezing	2556	Moves the player to the given map-path and coordinates by first freezing
1983	her, loading and preparing them map, calling the provided $check callback	2557	her, loading and preparing them map, calling the provided $check callback
1984	that has to return the map if sucecssful, and then unfreezes the player on	2558	that has to return the map if sucecssful, and then unfreezes the player on
1985	the new (success) or old (failed) map position.	2559	the new (success) or old (failed) map position. In either case, $done will
		2560	be called at the end of this process.
1986		2561
		2562	Note that $check will be called with a potentially non-loaded map, so if
		2563	it needs a loaded map it has to call C<< ->load >>.
		2564
1987	=cut	2565	=cut
		2566
		2567	our $GOTOGEN;
1988		2568
1989	sub cf::object::player::goto {	2569	sub cf::object::player::goto {
1990	my ($self, $path, $x, $y, $check) = @_;	2570	my ($self, $path, $x, $y, $check, $done) = @_;
1991		2571
1992	#d# #TODO#	2572	# do generation counting so two concurrent goto's will be executed in-order
1993	if ($check && !ref $check) {	2573	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1994	warn Carp::longmess "goto called with non-ref check argument";#d#
1995	undef $check;
1996	}
1997		2574
1998	$self->enter_link;	2575	$self->enter_link;
1999		2576
2000	(async {	2577	(async {
		2578	$Coro::current->{desc} = "player::goto $path $x $y";
		2579
		2580	# *tag paths override both path and x|y
		2581	if ($path =~ /^\*(.*)$/) {
		2582	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2583	my $ob = $obs[rand @obs];
		2584
		2585	# see if we actually can go there
		2586	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2587	$ob = $obs[rand @obs];
		2588	} else {
		2589	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	}
		2591	# else put us there anyways for now #d#
		2592
		2593	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2594	} else {
		2595	($path, $x, $y) = (undef, undef, undef);
		2596	}
		2597	}
		2598
2001	my $map = eval {	2599	my $map = eval {
2002	my $map = cf::map::find $path;	2600	my $map = defined $path ? cf::map::find $path : undef;
2003		2601
2004	if ($map) {	2602	if ($map) {
2005	$map = $map->customise_for ($self);	2603	$map = $map->customise_for ($self);
2006	$map = $check->($map) if $check && $map;	2604	$map = $check->($map) if $check && $map;
2007	} else {	2605	} else {
2008	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2606	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2009	}	2607	}
2010		2608
2011	$map	2609	$map
2012	};	2610	};
2013		2611
2014	if ($@) {	2612	if ($@) {
2015	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);	2613	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2016	LOG llevError | logBacktrace, Carp::longmess $@;	2614	LOG llevError | logBacktrace, Carp::longmess $@;
2017	}	2615	}
2018		2616
		2617	if ($gen == $self->{_goto_generation}) {
		2618	delete $self->{_goto_generation};
2019	$self->leave_link ($map, $x, $y);	2619	$self->leave_link ($map, $x, $y);
		2620	}
		2621
		2622	$done->() if $done;
2020	})->prio (1);	2623	})->prio (1);
2021	}	2624	}
2022		2625
2023	=item $player_object->enter_exit ($exit_object)	2626	=item $player_object->enter_exit ($exit_object)
2024		2627
…		…
2044	}	2647	}
2045		2648
2046	sub prepare_random_map {	2649	sub prepare_random_map {
2047	my ($exit) = @_;	2650	my ($exit) = @_;
2048		2651
2049	my $guard = cf::lock_acquire "exit_prepare:$exit";
2050
2051	# all this does is basically replace the /! path by	2652	# all this does is basically replace the /! path by
2052	# a new random map path (?random/...) with a seed	2653	# a new random map path (?random/...) with a seed
2053	# that depends on the exit object	2654	# that depends on the exit object
2054		2655
2055	my $rmp = parse_random_map_params $exit->msg;	2656	my $rmp = parse_random_map_params $exit->msg;
…		…
2057	if ($exit->map) {	2658	if ($exit->map) {
2058	$rmp->{region} = $exit->region->name;	2659	$rmp->{region} = $exit->region->name;
2059	$rmp->{origin_map} = $exit->map->path;	2660	$rmp->{origin_map} = $exit->map->path;
2060	$rmp->{origin_x} = $exit->x;	2661	$rmp->{origin_x} = $exit->x;
2061	$rmp->{origin_y} = $exit->y;	2662	$rmp->{origin_y} = $exit->y;
		2663
		2664	$exit->map->touch;
2062	}	2665	}
2063		2666
2064	$rmp->{random_seed} ||= $exit->random_seed;	2667	$rmp->{random_seed} ||= $exit->random_seed;
2065		2668
2066	my $data = cf::to_json $rmp;	2669	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2067	my $md5 = Digest::MD5::md5_hex $data;	2670	my $md5 = Digest::MD5::md5_hex $data;
2068	my $meta = "$RANDOMDIR/$md5.meta";	2671	my $meta = "$RANDOMDIR/$md5.meta";
2069		2672
2070	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2673	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2071	aio_write $fh, 0, (length $data), $data, 0;	2674	aio_write $fh, 0, (length $data), $data, 0;
2072	undef $fh;	2675	undef $fh;
2073	aio_rename "$meta~", $meta;	2676	aio_rename "$meta~", $meta;
2074		2677
		2678	my $slaying = "?random/$md5";
		2679
		2680	if ($exit->valid) {
2075	$exit->slaying ("?random/$md5");	2681	$exit->slaying ("?random/$md5");
2076	$exit->msg (undef);	2682	$exit->msg (undef);
		2683	}
2077	}	2684	}
2078	}	2685	}
2079		2686
2080	sub cf::object::player::enter_exit {	2687	sub cf::object::player::enter_exit {
2081	my ($self, $exit) = @_;	2688	my ($self, $exit) = @_;
2082		2689
2083	return unless $self->type == cf::PLAYER;	2690	return unless $self->type == cf::PLAYER;
2084		2691
2085	if ($exit->slaying eq "/!") {
2086	#TODO: this should de-fi-ni-te-ly not be a sync-job
2087	# the problem is that $exit might not survive long enough
2088	# so it needs to be done right now, right here
2089	cf::sync_job { prepare_random_map $exit };
2090	}
2091
2092	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2093	my $hp = $exit->stats->hp;
2094	my $sp = $exit->stats->sp;
2095
2096	$self->enter_link;	2692	$self->enter_link;
2097		2693
2098	(async {	2694	(async {
2099	$self->deactivate_recursive; # just to be sure	2695	$Coro::current->{desc} = "enter_exit";
		2696
2100	unless (eval {	2697	unless (eval {
		2698	$self->deactivate_recursive; # just to be sure
		2699
		2700	# random map handling
		2701	{
		2702	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2703
		2704	prepare_random_map $exit
		2705	if $exit->slaying eq "/!";
		2706	}
		2707
		2708	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2709	my $x = $exit->stats->hp;
		2710	my $y = $exit->stats->sp;
		2711
2101	$self->goto ($slaying, $hp, $sp);	2712	$self->goto ($map, $x, $y);
2102		2713
		2714	# if exit is damned, update players death & WoR home-position
		2715	$self->contr->savebed ($map, $x, $y)
		2716	if $exit->flag (cf::FLAG_DAMNED);
		2717
2103	1;	2718	1
2104	}) {	2719	}) {
2105	$self->message ("Something went wrong deep within the crossfire server. "	2720	$self->message ("Something went wrong deep within the deliantra server. "
2106	. "I'll try to bring you back to the map you were before. "	2721	. "I'll try to bring you back to the map you were before. "
2107	. "Please report this to the dungeon master!",	2722	. "Please report this to the dungeon master!",
2108	cf::NDI_UNIQUE | cf::NDI_RED);	2723	cf::NDI_UNIQUE | cf::NDI_RED);
2109		2724
2110	warn "ERROR in enter_exit: $@";	2725	warn "ERROR in enter_exit: $@";
…		…
2129		2744
2130	utf8::encode $text;	2745	utf8::encode $text;
2131	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2746	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2132	}	2747	}
2133		2748
		2749	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2750
		2751	Send a drawinfo or msg packet to the client, formatting the msg for the
		2752	client if neccessary. C<$type> should be a string identifying the type of
		2753	the message, with C<log> being the default. If C<$color> is negative, suppress
		2754	the message unless the client supports the msg packet.
		2755
		2756	=cut
		2757
		2758	# non-persistent channels (usually the info channel)
		2759	our %CHANNEL = (
		2760	"c/identify" => {
		2761	id => "infobox",
		2762	title => "Identify",
		2763	reply => undef,
		2764	tooltip => "Items recently identified",
		2765	},
		2766	"c/examine" => {
		2767	id => "infobox",
		2768	title => "Examine",
		2769	reply => undef,
		2770	tooltip => "Signs and other items you examined",
		2771	},
		2772	"c/book" => {
		2773	id => "infobox",
		2774	title => "Book",
		2775	reply => undef,
		2776	tooltip => "The contents of a note or book",
		2777	},
		2778	"c/lookat" => {
		2779	id => "infobox",
		2780	title => "Look",
		2781	reply => undef,
		2782	tooltip => "What you saw there",
		2783	},
		2784	"c/who" => {
		2785	id => "infobox",
		2786	title => "Players",
		2787	reply => undef,
		2788	tooltip => "Shows players who are currently online",
		2789	},
		2790	"c/body" => {
		2791	id => "infobox",
		2792	title => "Body Parts",
		2793	reply => undef,
		2794	tooltip => "Shows which body parts you posess and are available",
		2795	},
		2796	"c/skills" => {
		2797	id => "infobox",
		2798	title => "Skills",
		2799	reply => undef,
		2800	tooltip => "Shows your experience per skill and item power",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	);
		2821
		2822	sub cf::client::send_msg {
		2823	my ($self, $channel, $msg, $color, @extra) = @_;
		2824
		2825	$msg = $self->pl->expand_cfpod ($msg)
		2826	unless $color & cf::NDI_VERBATIM;
		2827
		2828	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2829
		2830	# check predefined channels, for the benefit of C
		2831	if ($CHANNEL{$channel}) {
		2832	$channel = $CHANNEL{$channel};
		2833
		2834	$self->ext_msg (channel_info => $channel)
		2835	if $self->can_msg;
		2836
		2837	$channel = $channel->{id};
		2838
		2839	} elsif (ref $channel) {
		2840	# send meta info to client, if not yet sent
		2841	unless (exists $self->{channel}{$channel->{id}}) {
		2842	$self->{channel}{$channel->{id}} = $channel;
		2843	$self->ext_msg (channel_info => $channel)
		2844	if $self->can_msg;
		2845	}
		2846
		2847	$channel = $channel->{id};
		2848	}
		2849
		2850	return unless @extra || length $msg;
		2851
		2852	if ($self->can_msg) {
		2853	# default colour, mask it out
		2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2855	if $color & cf::NDI_DEF;
		2856
		2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
		2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2860	);
		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
		2873	} else {
		2874	if ($color >= 0) {
		2875	# replace some tags by gcfclient-compatible ones
		2876	for ($msg) {
		2877	1 while
		2878	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2879	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2880	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2881	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2882	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2883	}
		2884
		2885	$color &= cf::NDI_COLOR_MASK;
		2886
		2887	utf8::encode $msg;
		2888
		2889	if (0 && $msg =~ /\[/) {
		2890	# COMMAND/INFO
		2891	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2892	} else {
		2893	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2894	$self->send_packet ("drawinfo $color $msg")
		2895	}
		2896	}
		2897	}
		2898	}
		2899
2134	=item $client->ext_event ($type, %msg)	2900	=item $client->ext_msg ($type, @msg)
2135		2901
2136	Sends an exti event to the client.	2902	Sends an ext event to the client.
2137		2903
2138	=cut	2904	=cut
2139		2905
2140	sub cf::client::ext_event($$%) {	2906	sub cf::client::ext_msg($$@) {
2141	my ($self, $type, %msg) = @_;	2907	my ($self, $type, @msg) = @_;
2142		2908
		2909	if ($self->extcmd == 2) {
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2911	} elsif ($self->extcmd == 1) { # TODO: remove
2143	$msg{msgtype} = "event_$type";	2912	push @msg, msgtype => "event_$type";
2144	$self->send_packet ("ext " . cf::to_json \%msg);	2913	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2914	}
		2915	}
		2916
		2917	=item $client->ext_reply ($msgid, @msg)
		2918
		2919	Sends an ext reply to the client.
		2920
		2921	=cut
		2922
		2923	sub cf::client::ext_reply($$@) {
		2924	my ($self, $id, @msg) = @_;
		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2928	} elsif ($self->extcmd == 1) {
		2929	#TODO: version 1, remove
		2930	unshift @msg, msgtype => "reply", msgid => $id;
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
2145	}	2933	}
2146		2934
2147	=item $success = $client->query ($flags, "text", \&cb)	2935	=item $success = $client->query ($flags, "text", \&cb)
2148		2936
2149	Queues a query to the client, calling the given callback with	2937	Queues a query to the client, calling the given callback with
2150	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2938	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2151	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2939	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2152		2940
2153	Queries can fail, so check the return code. Or don't, as queries will become	2941	Queries can fail, so check the return code. Or don't, as queries will
2154	reliable at some point in the future.	2942	become reliable at some point in the future.
2155		2943
2156	=cut	2944	=cut
2157		2945
2158	sub cf::client::query {	2946	sub cf::client::query {
2159	my ($self, $flags, $text, $cb) = @_;	2947	my ($self, $flags, $text, $cb) = @_;
…		…
2167	utf8::encode $text;	2955	utf8::encode $text;
2168	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2956	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2169		2957
2170	$self->send_packet ($self->{query_queue}[0][0])	2958	$self->send_packet ($self->{query_queue}[0][0])
2171	if @{ $self->{query_queue} } == 1;	2959	if @{ $self->{query_queue} } == 1;
		2960
		2961	1
2172	}	2962	}
2173		2963
2174	cf::client->attach (	2964	cf::client->attach (
		2965	on_connect => sub {
		2966	my ($ns) = @_;
		2967
		2968	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2969	},
2175	on_reply => sub {	2970	on_reply => sub {
2176	my ($ns, $msg) = @_;	2971	my ($ns, $msg) = @_;
2177		2972
2178	# this weird shuffling is so that direct followup queries	2973	# this weird shuffling is so that direct followup queries
2179	# get handled first	2974	# get handled first
…		…
2191	} else {	2986	} else {
2192	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2987	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2193	}	2988	}
2194	}	2989	}
2195	},	2990	},
		2991	on_exticmd => sub {
		2992	my ($ns, $buf) = @_;
		2993
		2994	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2995
		2996	if (ref $msg) {
		2997	my ($type, $reply, @payload) =
		2998	"ARRAY" eq ref $msg
		2999	? @$msg
		3000	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3001
		3002	my @reply;
		3003
		3004	if (my $cb = $EXTICMD{$type}) {
		3005	@reply = $cb->($ns, @payload);
		3006	}
		3007
		3008	$ns->ext_reply ($reply, @reply)
		3009	if $reply;
		3010
		3011	} else {
		3012	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3013	}
		3014
		3015	cf::override;
		3016	},
2196	);	3017	);
2197		3018
2198	=item $client->async (\&cb)	3019	=item $client->async (\&cb)
2199		3020
2200	Create a new coroutine, running the specified callback. The coroutine will	3021	Create a new coroutine, running the specified callback. The coroutine will
…		…
2241	our $safe = new Safe "safe";	3062	our $safe = new Safe "safe";
2242	our $safe_hole = new Safe::Hole;	3063	our $safe_hole = new Safe::Hole;
2243		3064
2244	$SIG{FPE} = 'IGNORE';	3065	$SIG{FPE} = 'IGNORE';
2245		3066
2246	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3067	$safe->permit_only (Opcode::opset qw(
		3068	:base_core :base_mem :base_orig :base_math
		3069	grepstart grepwhile mapstart mapwhile
		3070	sort time
		3071	));
2247		3072
2248	# here we export the classes and methods available to script code	3073	# here we export the classes and methods available to script code
2249		3074
2250	=pod	3075	=pod
2251		3076
2252	The following functions and methods are available within a safe environment:	3077	The following functions and methods are available within a safe environment:
2253		3078
2254	cf::object contr pay_amount pay_player map	3079	cf::object
		3080	contr pay_amount pay_player map x y force_find force_add destroy
		3081	insert remove name archname title slaying race decrease split
		3082
2255	cf::object::player player	3083	cf::object::player
2256	cf::player peaceful	3084	player
2257	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2258		3091
2259	=cut	3092	=cut
2260		3093
2261	for (	3094	for (
2262	["cf::object" => qw(contr pay_amount pay_player map)],	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp)],
2263	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2264	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful)],
2265	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2266	) {	3101	) {
2267	no strict 'refs';	3102	no strict 'refs';
…		…
2338	=back	3173	=back
2339		3174
2340	=cut	3175	=cut
2341		3176
2342	#############################################################################	3177	#############################################################################
2343
2344	=head2 EXTENSION DATABASE SUPPORT
2345
2346	Crossfire maintains a very simple database for extension use. It can
2347	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2348	convert to/from binary).
2349
2350	The parameter C<$family> should best start with the name of the extension
2351	using it, it should be unique.
2352
2353	=over 4
2354
2355	=item $value = cf::db_get $family => $key
2356
2357	Returns a single value from the database.
2358
2359	=item cf::db_put $family => $key => $value
2360
2361	Stores the given C<$value> in the family.
2362
2363	=cut
2364
2365	our $DB;
2366
2367	sub db_init {
2368	unless ($DB) {
2369	$DB = BDB::db_create $DB_ENV;
2370
2371	cf::sync_job {
2372	eval {
2373	$DB->set_flags (BDB::CHKSUM);
2374
2375	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2376	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2377	cf::cleanup "db_open(db): $!" if $!;
2378	};
2379	cf::cleanup "db_open(db): $@" if $@;
2380	};
2381	}
2382	}
2383
2384	sub db_get($$) {
2385	my $key = "$_[0]/$_[1]";
2386
2387	cf::sync_job {
2388	BDB::db_get $DB, undef, $key, my $data;
2389
2390	$! ? ()
2391	: $data
2392	}
2393	}
2394
2395	sub db_put($$$) {
2396	BDB::dbreq_pri 4;
2397	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2398	}
2399
2400	=item cf::cache $id => [$paths...], $processversion => $process
2401
2402	Generic caching function that returns the value of the resource $id,
2403	caching and regenerating as required.
2404
2405	This function can block.
2406
2407	=cut
2408
2409	sub cache {
2410	my ($id, $src, $processversion, $process) = @_;
2411
2412	my $meta =
2413	join "\x00",
2414	$processversion,
2415	map {
2416	aio_stat $_
2417	and Carp::croak "$_: $!";
2418
2419	($_, (stat _)[7,9])
2420	} @$src;
2421
2422	my $dbmeta = db_get cache => "$id/meta";
2423	if ($dbmeta ne $meta) {
2424	# changed, we may need to process
2425
2426	my @data;
2427	my $md5;
2428
2429	for (0 .. $#$src) {
2430	0 <= aio_load $src->[$_], $data[$_]
2431	or Carp::croak "$src->[$_]: $!";
2432	}
2433
2434	# if processing is expensive, check
2435	# checksum first
2436	if (1) {
2437	$md5 =
2438	join "\x00",
2439	$processversion,
2440	map {
2441	Coro::cede;
2442	($src->[$_], Digest::MD5::md5_hex $data[$_])
2443	} 0.. $#$src;
2444
2445
2446	my $dbmd5 = db_get cache => "$id/md5";
2447	if ($dbmd5 eq $md5) {
2448	db_put cache => "$id/meta", $meta;
2449
2450	return db_get cache => "$id/data";
2451	}
2452	}
2453
2454	my $t1 = Time::HiRes::time;
2455	my $data = $process->(\@data);
2456	my $t2 = Time::HiRes::time;
2457
2458	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2459
2460	db_put cache => "$id/data", $data;
2461	db_put cache => "$id/md5" , $md5;
2462	db_put cache => "$id/meta", $meta;
2463
2464	return $data;
2465	}
2466
2467	db_get cache => "$id/data"
2468	}
2469
2470	=item fork_call { }, $args
2471
2472	Executes the given code block with the given arguments in a seperate
2473	process, returning the results. Everything must be serialisable with
2474	Coro::Storable. May, of course, block. Note that the executed sub may
2475	never block itself or use any form of Event handling.
2476
2477	=cut
2478
2479	sub fork_call(&@) {
2480	my ($cb, @args) = @_;
2481
2482	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2483	# or die "socketpair: $!";
2484	pipe my $fh1, my $fh2
2485	or die "pipe: $!";
2486
2487	if (my $pid = fork) {
2488	close $fh2;
2489
2490	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2491	$res = Coro::Storable::thaw $res;
2492
2493	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2494
2495	die $$res unless "ARRAY" eq ref $res;
2496
2497	return wantarray ? @$res : $res->[-1];
2498	} else {
2499	reset_signals;
2500	local $SIG{__WARN__};
2501	local $SIG{__DIE__};
2502	eval {
2503	close $fh1;
2504
2505	my @res = eval { $cb->(@args) };
2506	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2507	};
2508
2509	warn $@ if $@;
2510	_exit 0;
2511	}
2512	}
2513
2514
2515
2516	#############################################################################
2517	# the server's init and main functions	3178	# the server's init and main functions
2518		3179
2519	sub load_facedata($) {	3180	sub load_facedata($) {
2520	my ($path) = @_;	3181	my ($path) = @_;
		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2521		3188
2522	warn "loading facedata from $path\n";	3189	warn "loading facedata from $path\n";
2523		3190
2524	my $facedata;	3191	my $facedata;
2525	0 < aio_load $path, $facedata	3192	0 < aio_load $path, $facedata
…		…
2528	$facedata = Coro::Storable::thaw $facedata;	3195	$facedata = Coro::Storable::thaw $facedata;
2529		3196
2530	$facedata->{version} == 2	3197	$facedata->{version} == 2
2531	or cf::cleanup "$path: version mismatch, cannot proceed.";	3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2532		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
2533	{	3207	{
2534	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
2535		3209
2536	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2537	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
2538	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3213	cf::face::set_visibility $idx, $info->{visibility};
		3214	cf::face::set_magicmap $idx, $info->{magicmap};
2539	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2540	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2541	Coro::cede;	3217
		3218	cf::cede_to_tick;
2542	}	3219	}
2543		3220
2544	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2545	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2546	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2547	or next;	3225	or next;
		3226
2548	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
2549	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2550	} else {	3230	} else {
2551	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
2552	}	3232	}
2553	Coro::cede;	3233
		3234	cf::cede_to_tick;
2554	}	3235	}
2555	}	3236	}
2556		3237
2557	{	3238	{
2558	my $anims = $facedata->{animinfo};	3239	my $anims = $facedata->{animinfo};
2559		3240
2560	while (my ($anim, $info) = each %$anims) {	3241	while (my ($anim, $info) = each %$anims) {
2561	cf::anim::set $anim, $info->{frames}, $info->{facings};	3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
2562	Coro::cede;	3243	cf::cede_to_tick;
2563	}	3244	}
2564		3245
2565	cf::anim::invalidate_all; # d'oh	3246	cf::anim::invalidate_all; # d'oh
2566	}	3247	}
2567		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
2568	1	3284	1
2569	}	3285	}
2570		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
2571	sub reload_regions {	3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
2572	load_resource_file "$MAPDIR/regions"	3330	load_resource_file "$MAPDIR/regions"
2573	or die "unable to load regions file\n";	3331	or die "unable to load regions file\n";
		3332
		3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
2574	}	3337	}
2575		3338
2576	sub reload_facedata {	3339	sub reload_facedata {
2577	load_facedata "$DATADIR/facedata"	3340	load_facedata "$DATADIR/facedata"
2578	or die "unable to load facedata\n";	3341	or die "unable to load facedata\n";
…		…
2589	}	3352	}
2590		3353
2591	sub reload_resources {	3354	sub reload_resources {
2592	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
2593		3356
2594	reload_regions;
2595	reload_facedata;	3357	reload_facedata;
2596	reload_archetypes;	3358	reload_archetypes;
		3359	reload_regions;
2597	reload_treasures;	3360	reload_treasures;
2598		3361
2599	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
2600	}	3363	}
2601		3364
2602	sub init {	3365	sub reload_config {
2603	reload_resources;
2604	}
2605
2606	sub cfg_load {
2607	open my $fh, "<:utf8", "$CONFDIR/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2608	or return;	3367	or return;
2609		3368
2610	local $/;	3369	local $/;
2611	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2612		3371
2613	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2614		3373
2615	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2616	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2622	};	3381	};
2623	warn $@ if $@;	3382	warn $@ if $@;
2624	}	3383	}
2625	}	3384	}
2626		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2627	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417	cf::init_block;
		3418
		3419	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3420
2628	# we must not ever block the main coroutine	3421	# we must not ever block the main coroutine
2629	local $Coro::idle = sub {	3422	local $Coro::idle = sub {
2630	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3423	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2631	(async {	3424	(async {
2632	Event::one_event;	3425	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3426	EV::loop EV::LOOP_ONESHOT;
2633	})->prio (Coro::PRIO_MAX);	3427	})->prio (Coro::PRIO_MAX);
2634	};	3428	};
2635		3429
2636	cfg_load;	3430	evthread_start IO::AIO::poll_fileno;
		3431
		3432	cf::sync_job {
		3433	reload_resources;
		3434	reload_config;
2637	db_init;	3435	db_init;
		3436
		3437	cf::load_settings;
		3438	cf::load_materials;
		3439	cf::init_uuid;
		3440	cf::init_signals;
		3441	cf::init_commands;
		3442	cf::init_skills;
		3443
		3444	cf::init_beforeplay;
		3445
		3446	atomic;
		3447
2638	load_extensions;	3448	load_extensions;
2639		3449
2640	$TICK_WATCHER->start;	3450	utime time, time, $RUNTIMEFILE;
		3451
		3452	# no (long-running) fork's whatsoever before this point(!)
		3453	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3454
		3455	(pop @POST_INIT)->(0) while @POST_INIT;
		3456	};
		3457
2641	Event::loop;	3458	EV::loop;
2642	}	3459	}
2643		3460
2644	#############################################################################	3461	#############################################################################
2645	# initialisation and cleanup	3462	# initialisation and cleanup
2646		3463
2647	# install some emergency cleanup handlers	3464	# install some emergency cleanup handlers
2648	BEGIN {	3465	BEGIN {
		3466	our %SIGWATCHER = ();
2649	for my $signal (qw(INT HUP TERM)) {	3467	for my $signal (qw(INT HUP TERM)) {
2650	Event->signal (	3468	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2651	reentrant => 0,
2652	data => WF_AUTOCANCEL,
2653	signal => $signal,
2654	prio => 0,
2655	cb => sub {
2656	cf::cleanup "SIG$signal";	3469	cf::cleanup "SIG$signal";
2657	},
2658	);	3470	};
		3471	}
		3472	}
		3473
		3474	sub write_runtime_sync {
		3475	# first touch the runtime file to show we are still running:
		3476	# the fsync below can take a very very long time.
		3477
		3478	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3479
		3480	my $guard = cf::lock_acquire "write_runtime";
		3481
		3482	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = $cf::RUNTIME + 90 + 10;
		3486	# 10 is the runtime save interval, for a monotonic clock
		3487	# 60 allows for the watchdog to kill the server.
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	# touch it again to show we are up-to-date
		3497	aio_utime $fh, undef, undef;
		3498
		3499	close $fh
		3500	or return;
		3501
		3502	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3503	and return;
		3504
		3505	warn "runtime file written.\n";
		3506
2659	}	3507	1
		3508	}
		3509
		3510	our $uuid_lock;
		3511	our $uuid_skip;
		3512
		3513	sub write_uuid_sync($) {
		3514	$uuid_skip ||= $_[0];
		3515
		3516	return if $uuid_lock;
		3517	local $uuid_lock = 1;
		3518
		3519	my $uuid = "$LOCALDIR/uuid";
		3520
		3521	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3522	or return;
		3523
		3524	my $value = uuid_seq uuid_cur;
		3525
		3526	unless ($value) {
		3527	warn "cowardly refusing to write zero uuid value!\n";
		3528	return;
		3529	}
		3530
		3531	my $value = uuid_str $value + $uuid_skip;
		3532	$uuid_skip = 0;
		3533
		3534	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3535	and return;
		3536
		3537	# always fsync - this file is important
		3538	aio_fsync $fh
		3539	and return;
		3540
		3541	close $fh
		3542	or return;
		3543
		3544	aio_rename "$uuid~", $uuid
		3545	and return;
		3546
		3547	warn "uuid file written ($value).\n";
		3548
		3549	1
		3550
		3551	}
		3552
		3553	sub write_uuid($$) {
		3554	my ($skip, $sync) = @_;
		3555
		3556	$sync ? write_uuid_sync $skip
		3557	: async { write_uuid_sync $skip };
2660	}	3558	}
2661		3559
2662	sub emergency_save() {	3560	sub emergency_save() {
2663	my $freeze_guard = cf::freeze_mainloop;	3561	my $freeze_guard = cf::freeze_mainloop;
2664		3562
…		…
2670	# and maps saved/destroyed asynchronously.	3568	# and maps saved/destroyed asynchronously.
2671	warn "begin emergency player save\n";	3569	warn "begin emergency player save\n";
2672	for my $login (keys %cf::PLAYER) {	3570	for my $login (keys %cf::PLAYER) {
2673	my $pl = $cf::PLAYER{$login} or next;	3571	my $pl = $cf::PLAYER{$login} or next;
2674	$pl->valid or next;	3572	$pl->valid or next;
		3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2675	$pl->save;	3574	$pl->save;
2676	}	3575	}
2677	warn "end emergency player save\n";	3576	warn "end emergency player save\n";
2678		3577
2679	warn "begin emergency map save\n";	3578	warn "begin emergency map save\n";
…		…
2685	warn "end emergency map save\n";	3584	warn "end emergency map save\n";
2686		3585
2687	warn "begin emergency database checkpoint\n";	3586	warn "begin emergency database checkpoint\n";
2688	BDB::db_env_txn_checkpoint $DB_ENV;	3587	BDB::db_env_txn_checkpoint $DB_ENV;
2689	warn "end emergency database checkpoint\n";	3588	warn "end emergency database checkpoint\n";
		3589
		3590	warn "begin write uuid\n";
		3591	write_uuid_sync 1;
		3592	warn "end write uuid\n";
2690	};	3593	};
2691		3594
2692	warn "leave emergency perl save\n";	3595	warn "leave emergency perl save\n";
2693	}	3596	}
2694		3597
2695	sub post_cleanup {	3598	sub post_cleanup {
2696	my ($make_core) = @_;	3599	my ($make_core) = @_;
2697		3600
2698	warn Carp::longmess "post_cleanup backtrace"	3601	warn Carp::longmess "post_cleanup backtrace"
2699	if $make_core;	3602	if $make_core;
		3603
		3604	my $fh = pidfile;
		3605	unlink $PIDFILE if <$fh> == $$;
		3606	}
		3607
		3608	# a safer delete_package, copied from Symbol
		3609	sub clear_package($) {
		3610	my $pkg = shift;
		3611
		3612	# expand to full symbol table name if needed
		3613	unless ($pkg =~ /^main::.*::$/) {
		3614	$pkg = "main$pkg" if $pkg =~ /^::/;
		3615	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3616	$pkg .= '::' unless $pkg =~ /::$/;
		3617	}
		3618
		3619	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3620	my $stem_symtab = *{$stem}{HASH};
		3621
		3622	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3623	or return;
		3624
		3625	# clear all symbols
		3626	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3627	for my $name (keys %$leaf_symtab) {
		3628	_gv_clear *{"$pkg$name"};
		3629	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3630	}
		3631	warn "cleared package $pkg\n";#d#
2700	}	3632	}
2701		3633
2702	sub do_reload_perl() {	3634	sub do_reload_perl() {
2703	# can/must only be called in main	3635	# can/must only be called in main
2704	if ($Coro::current != $Coro::main) {	3636	if ($Coro::current != $Coro::main) {
2705	warn "can only reload from main coroutine";	3637	warn "can only reload from main coroutine";
2706	return;	3638	return;
2707	}	3639	}
2708		3640
		3641	return if $RELOAD++;
		3642
		3643	while ($RELOAD) {
2709	warn "reloading...";	3644	warn "reloading...";
2710		3645
2711	warn "entering sync_job";	3646	warn "entering sync_job";
2712		3647
2713	cf::sync_job {	3648	cf::sync_job {
2714	cf::write_runtime; # external watchdog should not bark	3649	cf::write_runtime_sync; # external watchdog should not bark
2715	cf::emergency_save;	3650	cf::emergency_save;
2716	cf::write_runtime; # external watchdog should not bark	3651	cf::write_runtime_sync; # external watchdog should not bark
2717		3652
2718	warn "syncing database to disk";	3653	warn "syncing database to disk";
2719	BDB::db_env_txn_checkpoint $DB_ENV;	3654	BDB::db_env_txn_checkpoint $DB_ENV;
2720		3655
2721	# if anything goes wrong in here, we should simply crash as we already saved	3656	# if anything goes wrong in here, we should simply crash as we already saved
2722		3657
2723	warn "cancelling all WF_AUTOCANCEL watchers";
2724	for (Event::all_watchers) {
2725	$_->cancel if $_->data & WF_AUTOCANCEL;
2726	}
2727
2728	warn "flushing outstanding aio requests";	3658	warn "flushing outstanding aio requests";
2729	for (;;) {
2730	BDB::flush;
2731	IO::AIO::flush;
2732	Coro::cede;
2733	last unless IO::AIO::nreqs || BDB::nreqs;	3659	while (IO::AIO::nreqs || BDB::nreqs) {
2734	warn "iterate...";	3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2735	}
2736
2737	++$RELOAD;
2738
2739	warn "cancelling all extension coros";
2740	$_->cancel for values %EXT_CORO;
2741	%EXT_CORO = ();
2742
2743	warn "removing commands";
2744	%COMMAND = ();
2745
2746	warn "removing ext commands";
2747	%EXTCMD = ();
2748
2749	warn "unloading/nuking all extensions";
2750	for my $pkg (@EXTS) {
2751	warn "... unloading $pkg";
2752
2753	if (my $cb = $pkg->can ("unload")) {
2754	eval {
2755	$cb->($pkg);
2756	1
2757	} or warn "$pkg unloaded, but with errors: $@";
2758	}	3661	}
2759		3662
2760	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
2761	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
2762	}	3665	%EXT_CORO = ();
2763		3666
2764	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
2765	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
2766	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2767		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
2768	warn "... unloading $k";	3676	warn "... unloading $pkg";
2769	delete $INC{$k};
2770		3677
2771	$k =~ s/\.pm$//;
2772	$k =~ s/\//::/g;
2773
2774	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
2775	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
2776	}	3687	}
2777		3688
2778	Symbol::delete_package $k;	3689	warn "unloading all perl modules loaded from $LIBDIR";
		3690	while (my ($k, $v) = each %INC) {
		3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3692
		3693	warn "... unloading $k";
		3694	delete $INC{$k};
		3695
		3696	$k =~ s/\.pm$//;
		3697	$k =~ s/\//::/g;
		3698
		3699	if (my $cb = $k->can ("unload_module")) {
		3700	$cb->();
		3701	}
		3702
		3703	clear_package $k;
2779	}	3704	}
2780		3705
2781	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
2782	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
2783	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2784		3709
2785	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
2786	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
2787	delete $INC{"cf/pod.pm"};	3712	delete $INC{"cf/pod.pm"};
2788		3713
2789	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
2790	# and global variables created in xs	3715	# and global variables created in xs
2791	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
2792		3717
2793	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
2794		3719
2795	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
2796	require cf;	3721	require cf;
2797	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2798		3723
2799	warn "loading config and database again";	3724	warn "loading config and database again";
2800	cf::cfg_load;	3725	cf::reload_config;
2801		3726
2802	warn "loading extensions";	3727	warn "loading extensions";
2803	cf::load_extensions;	3728	cf::load_extensions;
2804		3729
2805	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
2806	_global_reattach; # objects, sockets	3731	_global_reattach; # objects, sockets
2807	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
2808	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
2809	warn "reattaching attachments to players";	3734	warn "reattaching attachments to players";
2810	reattach $_ for values %PLAYER;	3735	reattach $_ for values %PLAYER;
2811		3736
		3737	warn "running post_load";
		3738	(pop @POST_INIT)->(1) while @POST_INIT;
		3739
2812	warn "leaving sync_job";	3740	warn "leaving sync_job";
2813		3741
2814	1	3742	1
2815	} or do {	3743	} or do {
2816	warn $@;	3744	warn $@;
2817	warn "error while reloading, exiting.";	3745	cf::cleanup "error while reloading, exiting.";
2818	exit 1;
2819	};	3746	};
2820		3747
2821	warn "reloaded";	3748	warn "reloaded";
		3749	--$RELOAD;
		3750	}
2822	};	3751	};
2823		3752
2824	our $RELOAD_WATCHER; # used only during reload	3753	our $RELOAD_WATCHER; # used only during reload
2825		3754
2826	sub reload_perl() {	3755	sub reload_perl() {
2827	# doing reload synchronously and two reloads happen back-to-back,	3756	# doing reload synchronously and two reloads happen back-to-back,
2828	# coro crashes during coro_state_free->destroy here.	3757	# coro crashes during coro_state_free->destroy here.
2829		3758
2830	$RELOAD_WATCHER ||= Event->timer (	3759	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
2831	reentrant => 0,
2832	after => 0,
2833	data => WF_AUTOCANCEL,
2834	cb => sub {
2835	do_reload_perl;	3760	do_reload_perl;
2836	undef $RELOAD_WATCHER;	3761	undef $RELOAD_WATCHER;
2837	},
2838	);	3762	};
2839	}	3763	}
2840		3764
2841	register_command "reload" => sub {	3765	register_command "reload" => sub {
2842	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2843		3767
2844	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2845	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
2846	async { reload_perl };	3772	reload_perl;
		3773	};
2847	}	3774	}
2848	};	3775	};
2849		3776
2850	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2851		3778
…		…
2853		3780
2854	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
2855	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
2856		3783
2857	sub wait_for_tick {	3784	sub wait_for_tick {
2858	return unless $TICK_WATCHER->is_active;
2859	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2860		3786
2861	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
2862	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
2863	$signal->wait;	3789	$signal->wait;
2864	}	3790	}
2865		3791
2866	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
2867	return unless $TICK_WATCHER->is_active;
2868	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
2869		3794
2870	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
2871	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
2872	$signal->wait;	3797	$signal->wait;
2873	}	3798	}
2874		3799
2875	my $min = 1e6;#d#	3800	sub tick {
2876	my $avg = 10;
2877	$TICK_WATCHER = Event->timer (
2878	reentrant => 0,
2879	parked => 1,
2880	prio => 0,
2881	at => $NEXT_TICK || $TICK,
2882	data => WF_AUTOCANCEL,
2883	cb => sub {
2884	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2885	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2886	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2887	return;	3804	return;
2888	}	3805	}
2889		3806
2890	$NOW = $tick_start = Event::time;
2891
2892	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2893		3808
2894	0 && sync_job {#d#	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2895	for(1..10) {	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2896	my $t = Event::time;	3811	Coro::async_pool {
2897	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3812	$Coro::current->{desc} = "runtime saver";
2898	or die;	3813	write_runtime_sync
2899		3814	or warn "ERROR: unable to write runtime file: $!";
2900	$map->width (50);
2901	$map->height (50);
2902	$map->alloc;
2903	$map->_load_objects ("/tmp/x.map", 1);
2904	my $t = Event::time - $t;
2905
2906	#next unless $t < 0.0013;#d#
2907	if ($t < $min) {
2908	$min = $t;
2909	}
2910	$avg = $avg * 0.99 + $t * 0.01;
2911	}
2912	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2913	exit 0;
2914	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2915	};	3815	};
		3816	}
2916		3817
2917	$RUNTIME += $TICK;
2918	$NEXT_TICK += $TICK;
2919
2920	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2921	$NEXT_RUNTIME_WRITE = $NOW + 10;
2922	Coro::async_pool {
2923	write_runtime
2924	or warn "ERROR: unable to write runtime file: $!";
2925	};
2926	}
2927
2928	# my $AFTER = Event::time;
2929	# warn $AFTER - $NOW;#d#
2930
2931	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2932	$sig->send;	3819	$sig->send;
2933	}	3820	}
2934	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
2935	$sig->send;	3822	$sig->send;
2936	}	3823	}
2937		3824
2938	$NOW = Event::time;	3825	$LOAD = ($NOW - $TICK_START) / $TICK;
2939
2940	# if we are delayed by four ticks or more, skip them all
2941	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2942
2943	$TICK_WATCHER->at ($NEXT_TICK);
2944	$TICK_WATCHER->start;
2945
2946	$LOAD = ($NOW - $tick_start) / $TICK;
2947	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2948		3827
2949	_post_tick;	3828	if (0) {
2950		3829	if ($NEXT_TICK) {
2951		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
2952	},	3834	}
2953	);	3835	}
2954		3836
2955	{	3837	{
2956	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2957	$BDB_POLL_WATCHER = Event->io (	3839
2958	reentrant => 0,
2959	fd => BDB::poll_fileno,
2960	poll => 'r',
2961	prio => 0,
2962	data => WF_AUTOCANCEL,
2963	cb => \&BDB::poll_cb,
2964	);
2965	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
2966		3841	BDB::max_poll_reqs $TICK * 0.1;
2967	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
2968	my $status;
2969	my $current = $Coro::current;
2970	(
2971	sub {
2972	$status = $!;
2973	$current->ready; undef $current;
2974	},
2975	sub {
2976	Coro::schedule while defined $current;
2977	$! = $status;
2978	},
2979	)
2980	};
2981		3843
2982	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
2983	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2984		3851
2985	cf::sync_job {	3852	cf::sync_job {
2986	eval {	3853	eval {
2987	BDB::db_env_open	3854	BDB::db_env_open
2988	$DB_ENV,	3855	$DB_ENV,
…		…
2990	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2991	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2992	0666;	3859	0666;
2993		3860
2994	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2995
2996	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2997	$DB_ENV->set_lk_detect;
2998	};	3862	};
2999		3863
3000	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
3001	};	3865	};
3002	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
3003	}	3877	}
3004		3878
3005	{	3879	{
		3880	# configure IO::AIO
		3881
3006	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
3007
3008	undef $Coro::AIO::WATCHER;
3009	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
3010	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
3011	reentrant => 0,
3012	data => WF_AUTOCANCEL,
3013	fd => IO::AIO::poll_fileno,
3014	poll => 'r',
3015	prio => 6,
3016	cb => \&IO::AIO::poll_cb,
3017	);
3018	}	3885	}
3019		3886
3020	my $_log_backtrace;	3887	my $_log_backtrace;
3021		3888
3022	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
3025	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
3026		3893
3027	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
3028	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
3029	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
3030	async {	3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
3031	my @bt = fork_call {	3901	my @bt = fork_call {
3032	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
3033	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3034	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3035	or die "addr2line: $!";	3905	or die "addr2line: $!";
…		…
3043	}	3913	}
3044		3914
3045	@funcs	3915	@funcs
3046	};	3916	};
3047		3917
3048	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3049	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3050	--$_log_backtrace;	3921	--$_log_backtrace;
3051	};	3922	};
3052	} else {	3923	} else {
3053	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";

Diff Legend

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