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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.266 by root, Fri May 18 01:01:02 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
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	929	$registry = $CB_TYPE[$object_type] ||= [];
628		930
629	} elsif ($type eq "subtype") {	931	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	932	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	933	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	934	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		935
634	} elsif ($type eq "package") {	936	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	937	my $pkg = shift @arg;
636		938
637	while (my ($name, $id) = each %cb_id) {	939	while (my ($name, $id) = each %cb_id) {
…		…
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
…		…
678	if (ref $_[0]) {	980	if (ref $_[0]) {
679	_object_attach @_;	981	_object_attach @_;
680	} else {	982	} else {
681	_attach shift->_attach_registry, @_;	983	_attach shift->_attach_registry, @_;
682	}	984	}
		985	_recalc_want;
683	};	986	};
684		987
685	# all those should be optimised	988	# all those should be optimised
686	sub cf::attachable::detach {	989	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	990	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	993	delete $obj->{_attachment}{$name};
691	reattach ($obj);	994	reattach ($obj);
692	} else {	995	} else {
693	Carp::croak "cannot, currently, detach class attachments";	996	Carp::croak "cannot, currently, detach class attachments";
694	}	997	}
		998	_recalc_want;
695	};	999	};
696		1000
697	sub cf::attachable::attached {	1001	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
699		1003
…		…
714	";	1018	";
715	die if $@;	1019	die if $@;
716	}	1020	}
717		1021
718	our $override;	1022	our $override;
719	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?
720		1024
721	sub override {	1025	sub override {
722	$override = 1;	1026	$override = 1;
723	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
724	}	1028	}
725		1029
726	sub do_invoke {	1030	sub do_invoke {
727	my $event = shift;	1031	my $event = shift;
728	my $callbacks = shift;	1032	my $callbacks = shift;
729		1033
730	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
731		1035
732	local $override;	1036	local $override;
733		1037
734	for (@$callbacks) {	1038	for (@$callbacks) {
735	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
744	}	1048	}
745		1049
746	0	1050	0
747	}	1051	}
748		1052
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1054
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1056
753	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
754		1058
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1062
759	=back	1063	=back
760		1064
761	=cut	1065	=cut
762		1066
763	#############################################################################	1067	#############################################################################
764	# 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, $ob2
		1110	}
765		1111
766	sub reattach {	1112	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1114	my ($obj) = @_;
769		1115
		1116	# no longer needed after getting rid of delete_package?
770	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
771		1118
772	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
773		1120
774	@$registry = ();	1121	@$registry = ();
775		1122
…		…
790	cf::attachable->attach (	1137	cf::attachable->attach (
791	prio => -1000000,	1138	prio => -1000000,
792	on_instantiate => sub {	1139	on_instantiate => sub {
793	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
794		1141
795	$data = from_json $data;	1142	$data = decode_json $data;
796		1143
797	for (@$data) {	1144	for (@$data) {
798	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
799		1146
800	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1163	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
818		1165
819	sync_job {	1166	sync_job {
820	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
823		1171
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
828	close $fh;	1176	aio_close $fh;
829		1177
830	if (@$objs) {	1178	if (@$objs) {
831	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) {
832	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
836	close $fh;	1184	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
838	}	1186	}
839	} else {	1187	} else {
840	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
841	}	1189	}
842		1190
843	aio_rename "$filename~", $filename;	1191	aio_rename "$filename~", $filename;
		1192
		1193	$filename =~ s%/[^/]+$%%;
		1194	aio_pathsync $filename;
844	} else {	1195	} else {
845	warn "FATAL: $filename~: $!\n";	1196	warn "FATAL: $filename~: $!\n";
846	}	1197	}
847	} else {	1198	} else {
848	aio_unlink $filename;	1199	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1200	aio_unlink "$filename.pst";
850	}	1201	}
851	}	1202	};
852	}	1203	}
853		1204
854	sub object_freezer_as_string {	1205	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1206	my ($rdata, $objs) = @_;
856		1207
…		…
868	or return;	1219	or return;
869		1220
870	unless (aio_stat "$filename.pst") {	1221	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1222	(aio_load "$filename.pst", $av) >= 0
872	or return;	1223	or return;
		1224
873	$av = eval { (Storable::thaw $av)->{objs} };	1225	my $st = eval { Coro::Storable::thaw $av };
		1226	$av = $st->{objs};
874	}	1227	}
875		1228
		1229	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1230	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1231	$decname, length $data, scalar @{$av || []};
		1232
878	return ($data, $av);	1233	($data, $av)
879	}	1234	}
		1235
		1236	=head2 COMMAND CALLBACKS
		1237
		1238	=over 4
		1239
		1240	=cut
880		1241
881	#############################################################################	1242	#############################################################################
882	# command handling &c	1243	# command handling &c
883		1244
884	=item cf::register_command $name => \&callback($ob,$args);	1245	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1258	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1259	}
899		1260
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1261	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1262
902	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.
903		1268
904	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
905	called.	1270	called.
906		1271
		1272	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1273
		1274	Register a callback for execution when the client sends an (asynchronous)
		1275	exticmd packet. Exti commands are processed by the server as soon as they
		1276	are received, i.e. out of order w.r.t. other commands. The first argument
		1277	is a client socket. Exti commands can be received anytime, even before
		1278	log-in.
		1279
		1280	If the callback returns something, it is sent back as if reply was being
		1281	called.
		1282
907	=cut	1283	=cut
908		1284
909	sub register_extcmd {	1285	sub register_extcmd {
910	my ($name, $cb) = @_;	1286	my ($name, $cb) = @_;
911		1287
912	$EXTCMD{$name} = $cb;	1288	$EXTCMD{$name} = $cb;
		1289	}
		1290
		1291	sub register_exticmd {
		1292	my ($name, $cb) = @_;
		1293
		1294	$EXTICMD{$name} = $cb;
913	}	1295	}
914		1296
915	cf::player->attach (	1297	cf::player->attach (
916	on_command => sub {	1298	on_command => sub {
917	my ($pl, $name, $params) = @_;	1299	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1308	cf::override;
927	},	1309	},
928	on_extcmd => sub {	1310	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1311	my ($pl, $buf) = @_;
930		1312
931	my $msg = eval { from_json $buf };	1313	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1314
933	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
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1323	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1324	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1325	}
		1326
		1327	$pl->ext_reply ($reply, @reply)
		1328	if $reply;
		1329
939	} else {	1330	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1331	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1332	}
942		1333
943	cf::override;	1334	cf::override;
944	},	1335	},
945	);	1336	);
946		1337
947	sub load_extension {
948	my ($path) = @_;
949
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}
975	die $@;
976	}
977
978	push @EXTS, $pkg;
979	}
980
981	sub load_extensions {	1338	sub load_extensions {
		1339	cf::sync_job {
		1340	my %todo;
		1341
982	for my $ext (<$LIBDIR/*.ext>) {	1342	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1343	next unless -r $path;
984	eval {	1344
985	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	$progress = 1;
986	1	1401	}
987	} or warn "$ext not loaded: $@";	1402
		1403	skip:
		1404	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1405	unless $progress;
		1406	}
988	}	1407	};
989	}	1408	}
990		1409
991	#############################################################################	1410	#############################################################################
992		1411
		1412	=back
		1413
993	=head2 CORE EXTENSIONS	1414	=head2 CORE EXTENSIONS
994		1415
995	Functions and methods that extend core crossfire objects.	1416	Functions and methods that extend core deliantra objects.
996		1417
997	=cut	1418	=cut
998		1419
999	package cf::player;	1420	package cf::player;
1000		1421
1001	use Coro::AIO;	1422	use Coro::AIO;
1002		1423
1003	=head3 cf::player	1424	=head3 cf::player
1004		1425
1005	=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	}
1006		1441
1007	=item cf::player::find $login	1442	=item cf::player::find $login
1008		1443
1009	Returns the given player object, loading it if necessary (might block).	1444	Returns the given player object, loading it if necessary (might block).
1010		1445
…		…
1029		1464
1030	sub exists($) {	1465	sub exists($) {
1031	my ($login) = @_;	1466	my ($login) = @_;
1032		1467
1033	$cf::PLAYER{$login}	1468	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1469	or !aio_stat path $login
1035	}	1470	}
1036		1471
1037	sub find($) {	1472	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1473	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1474	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1481	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1482	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1483	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1484	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1485
1051	my $pl = load_pl path $login	1486	my $f = new_from_file cf::object::thawer path $login
1052	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;
1053	$cf::PLAYER{$login} = $pl	1494	$cf::PLAYER{$login} = $pl
1054	}	1495	}
1055	}	1496	}
1056	}	1497	}
1057		1498
…		…
1066	return if $pl->{deny_save};	1507	return if $pl->{deny_save};
1067		1508
1068	aio_mkdir playerdir $pl, 0770;	1509	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1510	$pl->{last_save} = $cf::RUNTIME;
1070		1511
		1512	cf::get_slot 0.01;
		1513
1071	$pl->save_pl ($path);	1514	$pl->save_pl ($path);
1072	Coro::cede;	1515	cf::cede_to_tick;
1073	}	1516	}
1074		1517
1075	sub new($) {	1518	sub new($) {
1076	my ($login) = @_;	1519	my ($login) = @_;
1077		1520
…		…
1083	$cf::PLAYER{$login} = $self;	1526	$cf::PLAYER{$login} = $self;
1084		1527
1085	$self	1528	$self
1086	}	1529	}
1087		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
1088	=item $pl->quit_character	1541	=item $pl->quit_character
1089		1542
1090	Nukes the player without looking back. If logged in, the connection will	1543	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1544	be destroyed. May block for a long time.
1092		1545
…		…
1096	my ($pl) = @_;	1549	my ($pl) = @_;
1097		1550
1098	my $name = $pl->ob->name;	1551	my $name = $pl->ob->name;
1099		1552
1100	$pl->{deny_save} = 1;	1553	$pl->{deny_save} = 1;
1101	$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
1102		1555
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1556	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1557	$pl->deactivate;
		1558	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1559	$pl->ob->check_score;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1560	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1561	$pl->ns->destroy if $pl->ns;
1107		1562
1108	my $path = playerdir $pl;	1563	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1564	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1600	or return [];
1146		1601
1147	my @logins;	1602	my @logins;
1148		1603
1149	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") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1610	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1611	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1612	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1613	}
1153		1614
1154	utf8::decode $login;	1615	utf8::decode $login;
1155	push @logins, $login;	1616	push @logins, $login;
1156	}	1617	}
1157		1618
…		…
1184	}	1645	}
1185		1646
1186	\@paths	1647	\@paths
1187	}	1648	}
1188		1649
		1650	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1651
		1652	Expand deliantra pod fragments into protocol xml.
		1653
1189	=item $player->ext_reply ($msgid, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1190		1655
1191	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1192		1657
1193	=cut	1658	=cut
1194		1659
1195	sub ext_reply($$%) {	1660	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1197		1662
1198	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1664	}
1202		1665
1203	=item $player->ext_event ($type, %msg)	1666	=item $player->ext_msg ($type, @msg)
1204		1667
1205	Sends an ext event to the client.	1668	Sends an ext event to the client.
1206		1669
1207	=cut	1670	=cut
1208		1671
1209	sub ext_event($$%) {	1672	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1673	my ($self, $type, @msg) = @_;
1211		1674
1212	$self->ns->ext_event ($type, %msg);	1675	$self->ns->ext_msg ($type, @msg);
1213	}	1676	}
1214		1677
1215	=head3 cf::region	1678	=head3 cf::region
1216		1679
1217	=over 4	1680	=over 4
…		…
1220		1683
1221	package cf::region;	1684	package cf::region;
1222		1685
1223	=item cf::region::find_by_path $path	1686	=item cf::region::find_by_path $path
1224		1687
1225	Tries to decuce the probable region for a map knowing only its path.	1688	Tries to decuce the likely region for a map knowing only its path.
1226		1689
1227	=cut	1690	=cut
1228		1691
1229	sub find_by_path($) {	1692	sub find_by_path($) {
1230	my ($path) = @_;	1693	my ($path) = @_;
1231		1694
1232	my ($match, $specificity);	1695	my ($match, $specificity);
1233		1696
1234	for my $region (list) {	1697	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1698	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1699	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1700	if $region->specificity > $specificity;
1238	}	1701	}
1239	}	1702	}
1240		1703
…		…
1261	our $MAX_RESET = 3600;	1724	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1725	our $DEFAULT_RESET = 3000;
1263		1726
1264	sub generate_random_map {	1727	sub generate_random_map {
1265	my ($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
1266	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1733	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1304	my ($self, $merge) = @_;	1770	my ($self, $merge) = @_;
1305		1771
1306	# we have to keep some variables in memory intact	1772	# we have to keep some variables in memory intact
1307	local $self->{path};	1773	local $self->{path};
1308	local $self->{load_path};	1774	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1775
1312	$self->SUPER::thawer_merge ($merge);	1776	$self->SUPER::thawer_merge ($merge);
1313	}	1777	}
1314		1778
1315	sub normalise {	1779	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1363	return $self;	1827	return $self;
1364	}	1828	}
1365	}	1829	}
1366		1830
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1832	()
1369	}	1833	}
1370		1834
1371	sub init {	1835	sub init {
1372	my ($self) = @_;	1836	my ($self) = @_;
…		…
1394		1858
1395	# the temporary/swap location	1859	# the temporary/swap location
1396	sub save_path {	1860	sub save_path {
1397	my ($self) = @_;	1861	my ($self) = @_;
1398		1862
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1864	"$TMPDIR/$path.map"
1401	}	1865	}
1402		1866
1403	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1404	sub uniq_path {	1868	sub uniq_path {
1405	my ($self) = @_;	1869	my ($self) = @_;
1406		1870
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1872	"$UNIQUEDIR/$path"
1409	}	1873	}
1410		1874
1411	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1412	# all maps in C++...	1876	# all maps in C++...
…		…
1415		1879
1416	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1418	}	1882	}
1419		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1420	sub unlink_save {	1892	sub unlink_save {
1421	my ($self) = @_;	1893	my ($self) = @_;
1422		1894
1423	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1899
1428	sub load_header_from($) {	1900	sub load_header_from($) {
1429	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1430		1902
1431	utf8::encode $path;	1903	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	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;
1437		1912
1438	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1439		1914
1440	1	1915	1
1441	}	1916	}
…		…
1480	$self->load_header_orig	1955	$self->load_header_orig
1481	or return;	1956	or return;
1482	$self->prepare_orig;	1957	$self->prepare_orig;
1483	}	1958	}
1484		1959
		1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
		1962
1485	$self->default_region (cf::region::find_by_path $self->{path})	1963	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1964	unless $self->default_region;
1487		1965
1488	1	1966	1
1489	}	1967	}
…		…
1492	sub find {	1970	sub find {
1493	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1494		1972
1495	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1496		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1498		1977
1499	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
		1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1500	my $guard = cf::lock_acquire "map_find:$path";	1980	my $guard2 = cf::lock_acquire "map_find:$path";
		1981
1501	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1502	or return;	1983	or return;
1503		1984
1504	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1505		1986
1506	$map->load_header	1987	$map->load_header
1507	or return;	1988	or return;
1508		1989
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard2;
		1994	undef $guard1;
1512	$map->reset;	1995	$map->reset;
1513	undef $guard;
1514	return find $path;	1996	return find $path;
1515	}	1997	}
1516		1998
1517	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1518	}	2000	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1528		2010
1529	my $path = $self->{path};	2011	my $path = $self->{path};
1530		2012
1531	{	2013	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1533		2015
		2016	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2018
1536	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1537		2020
1538	$self->alloc;	2021	$self->alloc;
1539		2022
1540	$self->pre_load;	2023	$self->pre_load;
1541	Coro::cede;	2024	cf::cede_to_tick;
1542		2025
		2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2028	$self->_load_objects ($f)
1544	or return;	2029	or return;
1545		2030
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->post_load_original
1547	if delete $self->{load_original};	2032	if delete $self->{load_original};
1548		2033
1549	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2035	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2038	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1554	}	2042	}
1555	}	2043	}
1556		2044
1557	Coro::cede;	2045	$f->resolve_delayed_derefs;
		2046
		2047	cf::cede_to_tick;
1558	# now do the right thing for maps	2048	# now do the right thing for maps
1559	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2051	unless $self->difficulty;
1562	Coro::cede;	2052	cf::cede_to_tick;
1563		2053
1564	unless ($self->{deny_activate}) {	2054	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2055	$self->decay_objects;
1566	$self->fix_auto_apply;	2056	$self->fix_auto_apply;
1567	$self->update_buttons;	2057	$self->update_buttons;
1568	Coro::cede;	2058	cf::cede_to_tick;
1569	$self->set_darkness_map;	2059	$self->set_darkness_map;
1570	Coro::cede;	2060	cf::cede_to_tick;
1571	$self->activate;	2061	$self->activate;
1572	}	2062	}
1573		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2067	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2068	}
1576		2069
1577	$self->post_load;	2070	$self->post_load;
1578	}	2071	}
1579		2072
…		…
1581	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1582		2075
1583	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2077	if $self->per_player;
1585		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1586	$self	2082	$self
1587	}	2083	}
1588		2084
1589	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2086	sub load_neighbours {
1591	my ($map) = @_;	2087	my ($map) = @_;
1592		2088
1593	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1594		2090
1595	for (0 .. 3) {	2091	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1597	or next;	2093	or next;
1598	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1599	or next;	2095	or next;
1600	$neigh->load;	2096	$neigh->load;
1601		2097
		2098	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2101	}
1605		2102
1606	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1608	or next;	2106	or next;
1609	$neigh->load;	2107	$neigh->load;
1610	}	2108	}
1611	}	2109	}
1612		2110
…		…
1617	}	2115	}
1618		2116
1619	sub do_load_sync {	2117	sub do_load_sync {
1620	my ($map) = @_;	2118	my ($map) = @_;
1621		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1622	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1623	}	2124	}
1624		2125
1625	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1627		2128
1628	sub find_async {	2129	sub find_async {
1629	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1630		2131
1631	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1632		2133
1633	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2136	}
1636		2137
1637	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1638	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1639	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2145	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2146	$map->load if $v;
		2147	}
1644		2148
1645	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1646	}	2150	}
1647	}	2151	}
1648	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1649	};	2153	};
1650	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2157	}
1654		2158
1655	sub save {	2159	sub save {
1656	my ($self) = @_;	2160	my ($self) = @_;
1657		2161
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2163
1660	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1661		2165
1662	return unless $self->dirty;	2166	return unless $self->dirty;
1663		2167
…		…
1669	return if $self->{deny_save};	2173	return if $self->{deny_save};
1670		2174
1671	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1672		2176
1673	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1675	};	2180	};
		2181
		2182	cf::get_slot 0.02;
1676		2183
1677	if ($uniq) {	2184	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2185	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2186	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2187	} else {
…		…
1686	my ($self) = @_;	2193	my ($self) = @_;
1687		2194
1688	# save first because save cedes	2195	# save first because save cedes
1689	$self->save;	2196	$self->save;
1690		2197
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2198	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2199
1693	return if $self->players;	2200	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2201	return if $self->in_memory != cf::MAP_ACTIVE;
1695	return if $self->{deny_save};	2202	return if $self->{deny_save};
1696		2203
		2204	$self->in_memory (cf::MAP_SWAPPED);
		2205
		2206	$self->deactivate;
		2207	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2208	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2209	}
1700		2210
1701	sub reset_at {	2211	sub reset_at {
1702	my ($self) = @_;	2212	my ($self) = @_;
1703		2213
1704	# TODO: safety, remove and allow resettable per-player maps	2214	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2215	return 1e99 if $self->{deny_reset};
1707		2216
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2217	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2218	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2219
…		…
1721	my ($self) = @_;	2230	my ($self) = @_;
1722		2231
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2232	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2233
1725	return if $self->players;	2234	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2235
1728	warn "resetting map ", $self->path;#d#	2236	warn "resetting map ", $self->path;
1729		2237
1730	$self->in_memory (cf::MAP_SWAPPED);	2238	$self->in_memory (cf::MAP_SWAPPED);
1731		2239
1732	# need to save uniques path	2240	# need to save uniques path
1733	unless ($self->{deny_save}) {	2241	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2245	if $uniq;
1738	}	2246	}
1739		2247
1740	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1741		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2252	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2253
1746	$self->unlink_save;	2254	$self->unlink_save;
1747	$self->destroy;	2255	$self->destroy;
1748	}	2256	}
1749		2257
1750	my $nuke_counter = "aaaa";	2258	my $nuke_counter = "aaaa";
1751		2259
1752	sub nuke {	2260	sub nuke {
1753	my ($self) = @_;	2261	my ($self) = @_;
1754		2262
		2263	{
		2264	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2265
1755	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1756		2267
1757	$self->unlink_save;	2268	$self->unlink_save;
1758		2269
1759	bless $self, "cf::map";	2270	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2271	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2272	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2273	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2274	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2275
1765	$cf::MAP{$self->path} = $self;	2276	$cf::MAP{$self->path} = $self;
		2277	}
1766		2278
1767	$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	]
1768	}	2316	}
1769		2317
1770	=item cf::map::unique_maps	2318	=item cf::map::unique_maps
1771		2319
1772	Returns an arrayref of paths of all shared maps that have	2320	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2321	instantiated unique items. May block.
1774		2322
1775	=cut	2323	=cut
1776		2324
1777	sub unique_maps() {	2325	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2326	[
1779	or return;	2327	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2328	utf8::decode $_;
1785	next if /\.pst$/;	2329	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2330	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2331	? ()
1788	push @paths, cf::map::normalise $_;	2332	: normalise $_
		2333	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2334	]
1790
1791	\@paths
1792	}	2335	}
1793
1794	package cf;
1795		2336
1796	=back	2337	=back
1797		2338
1798	=head3 cf::object	2339	=head3 cf::object
1799		2340
…		…
1803		2344
1804	=over 4	2345	=over 4
1805		2346
1806	=item $ob->inv_recursive	2347	=item $ob->inv_recursive
1807		2348
1808	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.
1809		2351
1810	=cut	2352	=cut
1811		2353
1812	sub inv_recursive_;	2354	sub inv_recursive_;
1813	sub inv_recursive_ {	2355	sub inv_recursive_ {
…		…
1816		2358
1817	sub inv_recursive {	2359	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2360	inv_recursive_ inv $_[0]
1819	}	2361	}
1820		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
1821	package cf;	2391	package cf;
1822		2392
1823	=back	2393	=back
1824		2394
1825	=head3 cf::object::player	2395	=head3 cf::object::player
…		…
1831	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>
1832	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
1833	dialogue with the given NPC character.	2403	dialogue with the given NPC character.
1834		2404
1835	=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	};
1836		2420
1837	# rough implementation of a future "reply" method that works	2421	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2422	# with dialog boxes.
1839	#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
1840	sub cf::object::player::reply($$$;$) {	2424	sub cf::object::player::reply($$$;$) {
…		…
1842		2426
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2427	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2428
1845	if ($self->{record_replies}) {	2429	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2430	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2431
1847	} 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 {
1848	$msg = $npc->name . " says: $msg" if $npc;	2440	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2441	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2442	}
1850	}	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 (@_);
1851	}	2454	}
1852		2455
1853	=item $player_object->may ("access")	2456	=item $player_object->may ("access")
1854		2457
1855	Returns wether the given player is authorized to access resource "access"	2458	Returns wether the given player is authorized to access resource "access"
…		…
1868		2471
1869	=item $player_object->enter_link	2472	=item $player_object->enter_link
1870		2473
1871	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}>).
1872		2475
1873	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.
1874	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.
1875		2480
1876	Will never block.	2481	Will never block.
1877		2482
1878	=item $player_object->leave_link ($map, $x, $y)	2483	=item $player_object->leave_link ($map, $x, $y)
1879		2484
…		…
1902	$self->deactivate_recursive;	2507	$self->deactivate_recursive;
1903		2508
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2509	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2510
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2512	if $self->map && $self->map->{path} ne "{link}";
1908		2513
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2514	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1910	}	2515	}
1911		2516
1912	sub cf::object::player::leave_link {	2517	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2518	my ($self, $map, $x, $y) = @_;
		2519
		2520	return unless $self->contr->active;
1914		2521
1915	my $link_pos = delete $self->{_link_pos};	2522	my $link_pos = delete $self->{_link_pos};
1916		2523
1917	unless ($map) {	2524	unless ($map) {
1918	# restore original map position	2525	# restore original map position
…		…
1932	# use -1 or undef as default coordinates, not 0, 0	2539	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2540	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2541	if $x <=0 && $y <= 0;
1935		2542
1936	$map->load;	2543	$map->load;
1937	$map->load_diag;	2544	$map->load_neighbours;
1938		2545
1939	return unless $self->contr->active;	2546	return unless $self->contr->active;
		2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1940	$self->activate_recursive;	2548	$self->activate_recursive;
1941		2549
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2551	$self->enter_map ($map, $x, $y);
1944	}	2552	}
1945		2553
1946	cf::player->attach (	2554	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1947	on_logout => sub {
1948	my ($pl) = @_;
1949		2555
1950	# abort map switching before logout	2556	Moves the player to the given map-path and coordinates by first freezing
1951	if ($pl->ob->{_link_pos}) {	2557	her, loading and preparing them map, calling the provided $check callback
1952	cf::sync_job {	2558	that has to return the map if sucecssful, and then unfreezes the player on
1953	$pl->ob->leave_link	2559	the new (success) or old (failed) map position. In either case, $done will
1954	};	2560	be called at the end of this process.
1955	}
1956	},
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2561
1960	# try to abort aborted map switching on player login :)	2562	Note that $check will be called with a potentially non-loaded map, so if
1961	# should happen only on crashes	2563	it needs a loaded map it has to call C<< ->load >>.
1962	if ($pl->ob->{_link_pos}) {
1963	$pl->ob->enter_link;
1964	(async {
1965	$pl->ob->reply (undef,
1966	"There was an internal problem at your last logout, "
1967	. "the server will try to bring you to your intended destination in a second.",
1968	cf::NDI_RED);
1969	# we need this sleep as the login has a concurrent enter_exit running
1970	# and this sleep increases chances of the player not ending up in scorn
1971	Coro::Timer::sleep 1;
1972	$pl->ob->leave_link;
1973	})->prio (2);
1974	}
1975	},
1976	);
1977		2564
1978	=item $player_object->goto ($path, $x, $y)
1979
1980	=cut	2565	=cut
		2566
		2567	our $GOTOGEN;
1981		2568
1982	sub cf::object::player::goto {	2569	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2570	my ($self, $path, $x, $y, $check, $done) = @_;
		2571
		2572	# do generation counting so two concurrent goto's will be executed in-order
		2573	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2574
1985	$self->enter_link;	2575	$self->enter_link;
1986		2576
1987	(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
1988	my $map = eval {	2599	my $map = eval {
1989	my $map = cf::map::find $path;	2600	my $map = defined $path ? cf::map::find $path : undef;
		2601
		2602	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2603	$map = $map->customise_for ($self);
		2604	$map = $check->($map) if $check && $map;
		2605	} else {
		2606	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608
1991	$map	2609	$map
		2610	};
		2611
		2612	if ($@) {
		2613	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2614	LOG llevError | logBacktrace, Carp::longmess $@;
1992	} or	2615	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2616
		2617	if ($gen == $self->{_goto_generation}) {
		2618	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2619	$self->leave_link ($map, $x, $y);
		2620	}
		2621
		2622	$done->() if $done;
1996	})->prio (1);	2623	})->prio (1);
1997	}	2624	}
1998		2625
1999	=item $player_object->enter_exit ($exit_object)	2626	=item $player_object->enter_exit ($exit_object)
2000		2627
…		…
2020	}	2647	}
2021		2648
2022	sub prepare_random_map {	2649	sub prepare_random_map {
2023	my ($exit) = @_;	2650	my ($exit) = @_;
2024		2651
2025	my $guard = cf::lock_acquire "exit_prepare:$exit";
2026
2027	# all this does is basically replace the /! path by	2652	# all this does is basically replace the /! path by
2028	# a new random map path (?random/...) with a seed	2653	# a new random map path (?random/...) with a seed
2029	# that depends on the exit object	2654	# that depends on the exit object
2030		2655
2031	my $rmp = parse_random_map_params $exit->msg;	2656	my $rmp = parse_random_map_params $exit->msg;
…		…
2033	if ($exit->map) {	2658	if ($exit->map) {
2034	$rmp->{region} = $exit->region->name;	2659	$rmp->{region} = $exit->region->name;
2035	$rmp->{origin_map} = $exit->map->path;	2660	$rmp->{origin_map} = $exit->map->path;
2036	$rmp->{origin_x} = $exit->x;	2661	$rmp->{origin_x} = $exit->x;
2037	$rmp->{origin_y} = $exit->y;	2662	$rmp->{origin_y} = $exit->y;
		2663
		2664	$exit->map->touch;
2038	}	2665	}
2039		2666
2040	$rmp->{random_seed} ||= $exit->random_seed;	2667	$rmp->{random_seed} ||= $exit->random_seed;
2041		2668
2042	my $data = cf::to_json $rmp;	2669	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2043	my $md5 = Digest::MD5::md5_hex $data;	2670	my $md5 = Digest::MD5::md5_hex $data;
2044	my $meta = "$RANDOMDIR/$md5.meta";	2671	my $meta = "$RANDOMDIR/$md5.meta";
2045		2672
2046	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2673	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2047	aio_write $fh, 0, (length $data), $data, 0;	2674	aio_write $fh, 0, (length $data), $data, 0;
2048	undef $fh;	2675	undef $fh;
2049	aio_rename "$meta~", $meta;	2676	aio_rename "$meta~", $meta;
2050		2677
		2678	my $slaying = "?random/$md5";
		2679
		2680	if ($exit->valid) {
2051	$exit->slaying ("?random/$md5");	2681	$exit->slaying ("?random/$md5");
2052	$exit->msg (undef);	2682	$exit->msg (undef);
		2683	}
2053	}	2684	}
2054	}	2685	}
2055		2686
2056	sub cf::object::player::enter_exit {	2687	sub cf::object::player::enter_exit {
2057	my ($self, $exit) = @_;	2688	my ($self, $exit) = @_;
2058		2689
2059	return unless $self->type == cf::PLAYER;	2690	return unless $self->type == cf::PLAYER;
2060		2691
2061	if ($exit->slaying eq "/!") {
2062	#TODO: this should de-fi-ni-te-ly not be a sync-job
2063	# the problem is that $exit might not survive long enough
2064	# so it needs to be done right now, right here
2065	cf::sync_job { prepare_random_map $exit };
2066	}
2067
2068	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2069	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;
2071
2072	$self->enter_link;	2692	$self->enter_link;
2073		2693
2074	(async {	2694	(async {
2075	$self->deactivate_recursive; # just to be sure	2695	$Coro::current->{desc} = "enter_exit";
		2696
2076	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
2077	$self->goto ($slaying, $hp, $sp);	2712	$self->goto ($map, $x, $y);
2078		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
2079	1;	2718	1
2080	}) {	2719	}) {
2081	$self->message ("Something went wrong deep within the crossfire server. "	2720	$self->message ("Something went wrong deep within the deliantra server. "
2082	. "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. "
2083	. "Please report this to the dungeon master!",	2722	. "Please report this to the dungeon master!",
2084	cf::NDI_UNIQUE | cf::NDI_RED);	2723	cf::NDI_UNIQUE | cf::NDI_RED);
2085		2724
2086	warn "ERROR in enter_exit: $@";	2725	warn "ERROR in enter_exit: $@";
…		…
2105		2744
2106	utf8::encode $text;	2745	utf8::encode $text;
2107	$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);
2108	}	2747	}
2109		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
2110	=item $client->ext_event ($type, %msg)	2900	=item $client->ext_msg ($type, @msg)
2111		2901
2112	Sends an exti event to the client.	2902	Sends an ext event to the client.
2113		2903
2114	=cut	2904	=cut
2115		2905
2116	sub cf::client::ext_event($$%) {	2906	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	2907	my ($self, $type, @msg) = @_;
2118		2908
		2909	if ($self->extcmd == 2) {
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2911	} elsif ($self->extcmd == 1) { # TODO: remove
2119	$msg{msgtype} = "event_$type";	2912	push @msg, msgtype => "event_$type";
2120	$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	}
2121	}	2933	}
2122		2934
2123	=item $success = $client->query ($flags, "text", \&cb)	2935	=item $success = $client->query ($flags, "text", \&cb)
2124		2936
2125	Queues a query to the client, calling the given callback with	2937	Queues a query to the client, calling the given callback with
2126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2938	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2939	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128		2940
2129	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
2130	reliable at some point in the future.	2942	become reliable at some point in the future.
2131		2943
2132	=cut	2944	=cut
2133		2945
2134	sub cf::client::query {	2946	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	2947	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	2955	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2956	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		2957
2146	$self->send_packet ($self->{query_queue}[0][0])	2958	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	2959	if @{ $self->{query_queue} } == 1;
		2960
		2961	1
2148	}	2962	}
2149		2963
2150	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	},
2151	on_reply => sub {	2970	on_reply => sub {
2152	my ($ns, $msg) = @_;	2971	my ($ns, $msg) = @_;
2153		2972
2154	# this weird shuffling is so that direct followup queries	2973	# this weird shuffling is so that direct followup queries
2155	# get handled first	2974	# get handled first
…		…
2167	} else {	2986	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2987	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	2988	}
2170	}	2989	}
2171	},	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	},
2172	);	3017	);
2173		3018
2174	=item $client->async (\&cb)	3019	=item $client->async (\&cb)
2175		3020
2176	Create a new coroutine, running the specified callback. The coroutine will	3021	Create a new coroutine, running the specified callback. The coroutine will
…		…
2217	our $safe = new Safe "safe";	3062	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	3063	our $safe_hole = new Safe::Hole;
2219		3064
2220	$SIG{FPE} = 'IGNORE';	3065	$SIG{FPE} = 'IGNORE';
2221		3066
2222	$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	));
2223		3072
2224	# here we export the classes and methods available to script code	3073	# here we export the classes and methods available to script code
2225		3074
2226	=pod	3075	=pod
2227		3076
2228	The following functions and methods are available within a safe environment:	3077	The following functions and methods are available within a safe environment:
2229		3078
2230	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
2231	cf::object::player player	3083	cf::object::player
2232	cf::player peaceful	3084	player
2233	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2234		3091
2235	=cut	3092	=cut
2236		3093
2237	for (	3094	for (
2238	["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)],
2239	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful)],
2241	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2242	) {	3101	) {
2243	no strict 'refs';	3102	no strict 'refs';
…		…
2314	=back	3173	=back
2315		3174
2316	=cut	3175	=cut
2317		3176
2318	#############################################################################	3177	#############################################################################
2319
2320	=head2 EXTENSION DATABASE SUPPORT
2321
2322	Crossfire maintains a very simple database for extension use. It can
2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324	convert to/from binary).
2325
2326	The parameter C<$family> should best start with the name of the extension
2327	using it, it should be unique.
2328
2329	=over 4
2330
2331	=item $value = cf::db_get $family => $key
2332
2333	Returns a single value from the database.
2334
2335	=item cf::db_put $family => $key => $value
2336
2337	Stores the given C<$value> in the family.
2338
2339	=cut
2340
2341	our $DB;
2342
2343	sub db_init {
2344	unless ($DB) {
2345	$DB = BDB::db_create $DB_ENV;
2346
2347	cf::sync_job {
2348	eval {
2349	$DB->set_flags (BDB::CHKSUM);
2350
2351	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353	cf::cleanup "db_open(db): $!" if $!;
2354	};
2355	cf::cleanup "db_open(db): $@" if $@;
2356	};
2357	}
2358	}
2359
2360	sub db_get($$) {
2361	my $key = "$_[0]/$_[1]";
2362
2363	cf::sync_job {
2364	BDB::db_get $DB, undef, $key, my $data;
2365
2366	$! ? ()
2367	: $data
2368	}
2369	}
2370
2371	sub db_put($$$) {
2372	BDB::dbreq_pri 4;
2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374	}
2375
2376	=item cf::cache $id => [$paths...], $processversion => $process
2377
2378	Generic caching function that returns the value of the resource $id,
2379	caching and regenerating as required.
2380
2381	This function can block.
2382
2383	=cut
2384
2385	sub cache {
2386	my ($id, $src, $processversion, $process) = @_;
2387
2388	my $meta =
2389	join "\x00",
2390	$processversion,
2391	map {
2392	aio_stat $_
2393	and Carp::croak "$_: $!";
2394
2395	($_, (stat _)[7,9])
2396	} @$src;
2397
2398	my $dbmeta = db_get cache => "$id/meta";
2399	if ($dbmeta ne $meta) {
2400	# changed, we may need to process
2401
2402	my @data;
2403	my $md5;
2404
2405	for (0 .. $#$src) {
2406	0 <= aio_load $src->[$_], $data[$_]
2407	or Carp::croak "$src->[$_]: $!";
2408	}
2409
2410	# if processing is expensive, check
2411	# checksum first
2412	if (1) {
2413	$md5 =
2414	join "\x00",
2415	$processversion,
2416	map {
2417	Coro::cede;
2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
2419	} 0.. $#$src;
2420
2421
2422	my $dbmd5 = db_get cache => "$id/md5";
2423	if ($dbmd5 eq $md5) {
2424	db_put cache => "$id/meta", $meta;
2425
2426	return db_get cache => "$id/data";
2427	}
2428	}
2429
2430	my $t1 = Time::HiRes::time;
2431	my $data = $process->(\@data);
2432	my $t2 = Time::HiRes::time;
2433
2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436	db_put cache => "$id/data", $data;
2437	db_put cache => "$id/md5" , $md5;
2438	db_put cache => "$id/meta", $meta;
2439
2440	return $data;
2441	}
2442
2443	db_get cache => "$id/data"
2444	}
2445
2446	=item fork_call { }, $args
2447
2448	Executes the given code block with the given arguments in a seperate
2449	process, returning the results. Everything must be serialisable with
2450	Coro::Storable. May, of course, block. Note that the executed sub may
2451	never block itself or use any form of Event handling.
2452
2453	=cut
2454
2455	sub fork_call(&@) {
2456	my ($cb, @args) = @_;
2457
2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459	# or die "socketpair: $!";
2460	pipe my $fh1, my $fh2
2461	or die "pipe: $!";
2462
2463	if (my $pid = fork) {
2464	close $fh2;
2465
2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467	$res = Coro::Storable::thaw $res;
2468
2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471	die $$res unless "ARRAY" eq ref $res;
2472
2473	return wantarray ? @$res : $res->[-1];
2474	} else {
2475	reset_signals;
2476	local $SIG{__WARN__};
2477	local $SIG{__DIE__};
2478	eval {
2479	close $fh1;
2480
2481	my @res = eval { $cb->(@args) };
2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483	};
2484
2485	warn $@ if $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491
2492	#############################################################################
2493	# the server's init and main functions	3178	# the server's init and main functions
2494		3179
2495	sub load_facedata($) {	3180	sub load_facedata($) {
2496	my ($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;
2497		3188
2498	warn "loading facedata from $path\n";	3189	warn "loading facedata from $path\n";
2499		3190
2500	my $facedata;	3191	my $facedata;
2501	0 < aio_load $path, $facedata	3192	0 < aio_load $path, $facedata
…		…
2504	$facedata = Coro::Storable::thaw $facedata;	3195	$facedata = Coro::Storable::thaw $facedata;
2505		3196
2506	$facedata->{version} == 2	3197	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		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
2509	{	3207	{
2510	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
2511		3209
2512	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3213	cf::face::set_visibility $idx, $info->{visibility};
		3214	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517	Coro::cede;	3217
		3218	cf::cede_to_tick;
2518	}	3219	}
2519		3220
2520	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2522	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2523	or next;	3225	or next;
		3226
2524	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	3230	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	3232	}
2529	Coro::cede;	3233
		3234	cf::cede_to_tick;
2530	}	3235	}
2531	}	3236	}
2532		3237
2533	{	3238	{
2534	my $anims = $facedata->{animinfo};	3239	my $anims = $facedata->{animinfo};
2535		3240
2536	while (my ($anim, $info) = each %$anims) {	3241	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	3243	cf::cede_to_tick;
2539	}	3244	}
2540		3245
2541	cf::anim::invalidate_all; # d'oh	3246	cf::anim::invalidate_all; # d'oh
2542	}	3247	}
2543		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
2544	1	3284	1
2545	}	3285	}
2546		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	$status
		3323	}
		3324
2547	sub reload_regions {	3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
2548	load_resource_file "$MAPDIR/regions"	3330	load_resource_file "$MAPDIR/regions"
2549	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 $_->{match};
		3336	}
2550	}	3337	}
2551		3338
2552	sub reload_facedata {	3339	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3340	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3341	or die "unable to load facedata\n";
…		…
2565	}	3352	}
2566		3353
2567	sub reload_resources {	3354	sub reload_resources {
2568	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
2569		3356
2570	reload_regions;
2571	reload_facedata;	3357	reload_facedata;
2572	reload_archetypes;	3358	reload_archetypes;
		3359	reload_regions;
2573	reload_treasures;	3360	reload_treasures;
2574		3361
2575	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
2576	}	3363	}
2577		3364
2578	sub init {	3365	sub reload_config {
2579	reload_resources;
2580	}
2581
2582	sub cfg_load {
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2584	or return;	3367	or return;
2585		3368
2586	local $/;	3369	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2588		3371
2589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2590		3373
2591	$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};
2592	$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};
…		…
2598	};	3381	};
2599	warn $@ if $@;	3382	warn $@ if $@;
2600	}	3383	}
2601	}	3384	}
2602		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
2603	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
2604	# we must not ever block the main coroutine	3421	# we must not ever block the main coroutine
2605	local $Coro::idle = sub {	3422	local $Coro::idle = sub {
2606	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#
2607	(async {	3424	(async {
2608	Event::one_event;	3425	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3426	EV::loop EV::LOOP_ONESHOT;
2609	})->prio (Coro::PRIO_MAX);	3427	})->prio (Coro::PRIO_MAX);
2610	};	3428	};
2611		3429
2612	cfg_load;	3430	evthread_start IO::AIO::poll_fileno;
		3431
		3432	cf::sync_job {
		3433	reload_resources;
		3434	reload_config;
2613	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
2614	load_extensions;	3448	load_extensions;
2615		3449
2616	$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
2617	Event::loop;	3458	EV::loop;
2618	}	3459	}
2619		3460
2620	#############################################################################	3461	#############################################################################
2621	# initialisation and cleanup	3462	# initialisation and cleanup
2622		3463
2623	# install some emergency cleanup handlers	3464	# install some emergency cleanup handlers
2624	BEGIN {	3465	BEGIN {
		3466	our %SIGWATCHER = ();
2625	for my $signal (qw(INT HUP TERM)) {	3467	for my $signal (qw(INT HUP TERM)) {
2626	Event->signal (	3468	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2627	reentrant => 0,
2628	data => WF_AUTOCANCEL,
2629	signal => $signal,
2630	prio => 0,
2631	cb => sub {
2632	cf::cleanup "SIG$signal";	3469	cf::cleanup "SIG$signal";
2633	},
2634	);	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
2635	}	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 };
2636	}	3558	}
2637		3559
2638	sub emergency_save() {	3560	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3561	my $freeze_guard = cf::freeze_mainloop;
2640		3562
…		…
2646	# and maps saved/destroyed asynchronously.	3568	# and maps saved/destroyed asynchronously.
2647	warn "begin emergency player save\n";	3569	warn "begin emergency player save\n";
2648	for my $login (keys %cf::PLAYER) {	3570	for my $login (keys %cf::PLAYER) {
2649	my $pl = $cf::PLAYER{$login} or next;	3571	my $pl = $cf::PLAYER{$login} or next;
2650	$pl->valid or next;	3572	$pl->valid or next;
		3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651	$pl->save;	3574	$pl->save;
2652	}	3575	}
2653	warn "end emergency player save\n";	3576	warn "end emergency player save\n";
2654		3577
2655	warn "begin emergency map save\n";	3578	warn "begin emergency map save\n";
…		…
2661	warn "end emergency map save\n";	3584	warn "end emergency map save\n";
2662		3585
2663	warn "begin emergency database checkpoint\n";	3586	warn "begin emergency database checkpoint\n";
2664	BDB::db_env_txn_checkpoint $DB_ENV;	3587	BDB::db_env_txn_checkpoint $DB_ENV;
2665	warn "end emergency database checkpoint\n";	3588	warn "end emergency database checkpoint\n";
		3589
		3590	warn "begin write uuid\n";
		3591	write_uuid_sync 1;
		3592	warn "end write uuid\n";
2666	};	3593	};
2667		3594
2668	warn "leave emergency perl save\n";	3595	warn "leave emergency perl save\n";
2669	}	3596	}
2670		3597
2671	sub post_cleanup {	3598	sub post_cleanup {
2672	my ($make_core) = @_;	3599	my ($make_core) = @_;
2673		3600
2674	warn Carp::longmess "post_cleanup backtrace"	3601	warn Carp::longmess "post_cleanup backtrace"
2675	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#
2676	}	3632	}
2677		3633
2678	sub do_reload_perl() {	3634	sub do_reload_perl() {
2679	# can/must only be called in main	3635	# can/must only be called in main
2680	if ($Coro::current != $Coro::main) {	3636	if ($Coro::current != $Coro::main) {
2681	warn "can only reload from main coroutine";	3637	warn "can only reload from main coroutine";
2682	return;	3638	return;
2683	}	3639	}
2684		3640
		3641	return if $RELOAD++;
		3642
		3643	while ($RELOAD) {
2685	warn "reloading...";	3644	warn "reloading...";
2686		3645
2687	warn "entering sync_job";	3646	warn "entering sync_job";
2688		3647
2689	cf::sync_job {	3648	cf::sync_job {
2690	cf::write_runtime; # external watchdog should not bark	3649	cf::write_runtime_sync; # external watchdog should not bark
2691	cf::emergency_save;	3650	cf::emergency_save;
2692	cf::write_runtime; # external watchdog should not bark	3651	cf::write_runtime_sync; # external watchdog should not bark
2693		3652
2694	warn "syncing database to disk";	3653	warn "syncing database to disk";
2695	BDB::db_env_txn_checkpoint $DB_ENV;	3654	BDB::db_env_txn_checkpoint $DB_ENV;
2696		3655
2697	# 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
2698		3657
2699	warn "cancelling all WF_AUTOCANCEL watchers";
2700	for (Event::all_watchers) {
2701	$_->cancel if $_->data & WF_AUTOCANCEL;
2702	}
2703
2704	warn "flushing outstanding aio requests";	3658	warn "flushing outstanding aio requests";
2705	for (;;) {
2706	BDB::flush;
2707	IO::AIO::flush;
2708	Coro::cede;
2709	last unless IO::AIO::nreqs || BDB::nreqs;	3659	while (IO::AIO::nreqs || BDB::nreqs) {
2710	warn "iterate...";	3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2711	}
2712
2713	++$RELOAD;
2714
2715	warn "cancelling all extension coros";
2716	$_->cancel for values %EXT_CORO;
2717	%EXT_CORO = ();
2718
2719	warn "removing commands";
2720	%COMMAND = ();
2721
2722	warn "removing ext commands";
2723	%EXTCMD = ();
2724
2725	warn "unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";
2728
2729	if (my $cb = $pkg->can ("unload")) {
2730	eval {
2731	$cb->($pkg);
2732	1
2733	} or warn "$pkg unloaded, but with errors: $@";
2734	}	3661	}
2735		3662
2736	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
2737	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
2738	}	3665	%EXT_CORO = ();
2739		3666
2740	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
2741	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
2742	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2743		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
2744	warn "... unloading $k";	3676	warn "... unloading $pkg";
2745	delete $INC{$k};
2746		3677
2747	$k =~ s/\.pm$//;
2748	$k =~ s/\//::/g;
2749
2750	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
2751	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
2752	}	3687	}
2753		3688
2754	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;
2755	}	3704	}
2756		3705
2757	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
2758	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
2759	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);
2760		3709
2761	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
2762	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
2763	delete $INC{"cf/pod.pm"};	3712	delete $INC{"cf/pod.pm"};
2764		3713
2765	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
2766	# and global variables created in xs	3715	# and global variables created in xs
2767	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
2768		3717
2769	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
2770		3719
2771	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
2772	require cf;	3721	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2774		3723
2775	warn "loading config and database again";	3724	warn "loading config and database again";
2776	cf::cfg_load;	3725	cf::reload_config;
2777		3726
2778	warn "loading extensions";	3727	warn "loading extensions";
2779	cf::load_extensions;	3728	cf::load_extensions;
2780		3729
2781	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
2782	_global_reattach; # objects, sockets	3731	_global_reattach; # objects, sockets
2783	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
2784	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
2785	warn "reattaching attachments to players";	3734	warn "reattaching attachments to players";
2786	reattach $_ for values %PLAYER;	3735	reattach $_ for values %PLAYER;
2787		3736
		3737	warn "running post_load";
		3738	(pop @POST_INIT)->(1) while @POST_INIT;
		3739
2788	warn "leaving sync_job";	3740	warn "leaving sync_job";
2789		3741
2790	1	3742	1
2791	} or do {	3743	} or do {
2792	warn $@;	3744	warn $@;
2793	warn "error while reloading, exiting.";	3745	cf::cleanup "error while reloading, exiting.";
2794	exit 1;
2795	};	3746	};
2796		3747
2797	warn "reloaded";	3748	warn "reloaded";
		3749	--$RELOAD;
		3750	}
2798	};	3751	};
2799		3752
2800	our $RELOAD_WATCHER; # used only during reload	3753	our $RELOAD_WATCHER; # used only during reload
2801		3754
2802	sub reload_perl() {	3755	sub reload_perl() {
2803	# doing reload synchronously and two reloads happen back-to-back,	3756	# doing reload synchronously and two reloads happen back-to-back,
2804	# coro crashes during coro_state_free->destroy here.	3757	# coro crashes during coro_state_free->destroy here.
2805		3758
2806	$RELOAD_WATCHER ||= Event->timer (	3759	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
2807	reentrant => 0,
2808	after => 0,
2809	data => WF_AUTOCANCEL,
2810	cb => sub {
2811	do_reload_perl;	3760	do_reload_perl;
2812	undef $RELOAD_WATCHER;	3761	undef $RELOAD_WATCHER;
2813	},
2814	);	3762	};
2815	}	3763	}
2816		3764
2817	register_command "reload" => sub {	3765	register_command "reload" => sub {
2818	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2819		3767
2820	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2821	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
2822	async { reload_perl };	3772	reload_perl;
		3773	};
2823	}	3774	}
2824	};	3775	};
2825		3776
2826	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2827		3778
…		…
2829		3780
2830	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
2831	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
2832		3783
2833	sub wait_for_tick {	3784	sub wait_for_tick {
2834	return unless $TICK_WATCHER->is_active;
2835	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2836		3786
2837	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
2838	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
2839	$signal->wait;	3789	$signal->wait;
2840	}	3790	}
2841		3791
2842	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
2843	return unless $TICK_WATCHER->is_active;
2844	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
2845		3794
2846	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
2847	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
2848	$signal->wait;	3797	$signal->wait;
2849	}	3798	}
2850		3799
2851	$TICK_WATCHER = Event->timer (	3800	sub tick {
2852	reentrant => 0,
2853	parked => 1,
2854	prio => 0,
2855	at => $NEXT_TICK || $TICK,
2856	data => WF_AUTOCANCEL,
2857	cb => sub {
2858	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2859	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"
2860	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2861	return;	3804	return;
2862	}	3805	}
2863		3806
2864	$NOW = $tick_start = Event::time;
2865
2866	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2867		3808
2868	$RUNTIME += $TICK;
2869	$NEXT_TICK += $TICK;
2870
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872	$NEXT_RUNTIME_WRITE = $NOW + 10;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2873	Coro::async_pool {	3811	Coro::async_pool {
		3812	$Coro::current->{desc} = "runtime saver";
2874	write_runtime	3813	write_runtime_sync
2875	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
2876	};
2877	}	3815	};
		3816	}
2878		3817
2879	# my $AFTER = Event::time;
2880	# warn $AFTER - $NOW;#d#
2881
2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883	$sig->send;	3819	$sig->send;
2884	}	3820	}
2885	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
2886	$sig->send;	3822	$sig->send;
2887	}	3823	}
2888		3824
2889	$NOW = Event::time;	3825	$LOAD = ($NOW - $TICK_START) / $TICK;
2890
2891	# if we are delayed by four ticks or more, skip them all
2892	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2893
2894	$TICK_WATCHER->at ($NEXT_TICK);
2895	$TICK_WATCHER->start;
2896
2897	$LOAD = ($NOW - $tick_start) / $TICK;
2898	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899		3827
2900	_post_tick;	3828	if (0) {
2901		3829	if ($NEXT_TICK) {
2902		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
2903	},	3834	}
2904	);	3835	}
2905		3836
2906	{	3837	{
2907	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2908	$BDB_POLL_WATCHER = Event->io (	3839
2909	reentrant => 0,
2910	fd => BDB::poll_fileno,
2911	poll => 'r',
2912	prio => 0,
2913	data => WF_AUTOCANCEL,
2914	cb => \&BDB::poll_cb,
2915	);
2916	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
2917		3841	BDB::max_poll_reqs $TICK * 0.1;
2918	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
2919	my $status;
2920	my $current = $Coro::current;
2921	(
2922	sub {
2923	$status = $!;
2924	$current->ready; undef $current;
2925	},
2926	sub {
2927	Coro::schedule while defined $current;
2928	$! = $status;
2929	},
2930	)
2931	};
2932		3843
2933	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
2934	$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);
2935		3851
2936	cf::sync_job {	3852	cf::sync_job {
2937	eval {	3853	eval {
2938	BDB::db_env_open	3854	BDB::db_env_open
2939	$DB_ENV,	3855	$DB_ENV,
…		…
2941	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
2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943	0666;	3859	0666;
2944		3860
2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946
2947	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2948	$DB_ENV->set_lk_detect;
2949	};	3862	};
2950		3863
2951	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
2952	};	3865	};
2953	}	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	};
2954	}	3877	}
2955		3878
2956	{	3879	{
		3880	# configure IO::AIO
		3881
2957	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
2958
2959	undef $Coro::AIO::WATCHER;
2960	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
2961	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
2962	reentrant => 0,
2963	data => WF_AUTOCANCEL,
2964	fd => IO::AIO::poll_fileno,
2965	poll => 'r',
2966	prio => 6,
2967	cb => \&IO::AIO::poll_cb,
2968	);
2969	}	3885	}
2970		3886
2971	my $_log_backtrace;	3887	my $_log_backtrace;
2972		3888
2973	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
2976	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
2977		3893
2978	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
2979	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
2980	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
2981	async {	3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
2982	my @bt = fork_call {	3901	my @bt = fork_call {
2983	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985	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 |"
2986	or die "addr2line: $!";	3905	or die "addr2line: $!";
…		…
2994	}	3913	}
2995		3914
2996	@funcs	3915	@funcs
2997	};	3916	};
2998		3917
2999	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3000	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3001	--$_log_backtrace;	3921	--$_log_backtrace;
3002	};	3922	};
3003	} else {	3923	} else {
3004	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";

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