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Revision 1.253 by root, Wed Apr 18 17:32:07 2007 UTC vs.
Revision 1.454 by root, Thu Sep 25 12:14:32 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
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
95	binmode STDOUT;	135	binmode STDOUT;
96	binmode STDERR;	136	binmode STDERR;
97		137
98	# read virtual server time, if available	138	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	140	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
103	}	143	}
104		144
105	mkdir $_	145	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
139		179
140	=item $cf::TICK	180	=item $cf::TICK
141		181
142	The interval between server ticks, in seconds.	182	The interval between server ticks, in seconds.
143		183
		184	=item $cf::LOADAVG
		185
		186	The current CPU load on the server (alpha-smoothed), as a value between 0
		187	(none) and 1 (overloaded), indicating how much time is spent on processing
		188	objects per tick. Healthy values are < 0.5.
		189
		190	=item $cf::LOAD
		191
		192	The raw value load value from the last tick.
		193
144	=item %cf::CFG	194	=item %cf::CFG
145		195
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	197	from wherever your confdir points to.
148		198
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		200
151	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
152	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
153	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.
154		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
155	=back	211	=back
156		212
157	=cut	213	=cut
158		214
159	BEGIN {	215	BEGIN {
…		…
161	my $msg = join "", @_;	217	my $msg = join "", @_;
162		218
163	$msg .= "\n"	219	$msg .= "\n"
164	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
165		221
166	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		223
168	utf8::encode $msg;
169	LOG llevError, $msg;	224	LOG llevError, $msg;
170	};	225	};
171	}	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#?
172		242
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@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';
178	@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)
179		250
180	# 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
181	# within the Safe compartment.	252	# within the Safe compartment.
182	for my $pkg (qw(	253	for my $pkg (qw(
183	cf::global cf::attachable	254	cf::global cf::attachable
184	cf::object cf::object::player	255	cf::object cf::object::player
185	cf::client cf::player	256	cf::client cf::player
186	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
187	cf::map cf::party cf::region	259	cf::party cf::region
188	)) {	260	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	262	}
192		263
193	$Event::DIED = sub {	264	$EV::DIED = sub {
194	warn "error in event callback: @_";	265	warn "error in event callback: @_";
195	};	266	};
		267
		268	#############################################################################
196		269
197	=head2 UTILITY FUNCTIONS	270	=head2 UTILITY FUNCTIONS
198		271
199	=over 4	272	=over 4
200		273
…		…
219	$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;
220	$d	293	$d
221	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
222	}	295	}
223		296
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
227		298
228	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
229		300
230	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
231		302
232	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	}
233		325
234	=item cf::lock_wait $string	326	=item cf::lock_wait $string
235		327
236	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
237		329
…		…
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
243	returned.	335	returned.
244		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
245	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
246	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
247		342
248	=item $locked = cf::lock_active $string	343	=item $locked = cf::lock_active $string
249		344
250	Return true if the lock is currently active, i.e. somebody has locked it.	345	Return true if the lock is currently active, i.e. somebody has locked it.
251		346
252	=cut	347	=cut
253		348
254	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
255		351
256	sub lock_wait($) {	352	sub lock_wait($) {
257	my ($key) = @_;	353	my ($key) = @_;
258		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
259	# wait for lock, if any	360	# wait for lock, if any
260	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
261	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	364	Coro::schedule;
263	}	365	}
264	}	366	}
265		367
…		…
268		370
269	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
270	lock_wait $key;	372	lock_wait $key;
271		373
272	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
273		376
274	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
277	}	381	}
278	}	382	}
279		383
…		…
282		386
283	! ! $LOCK{$key}	387	! ! $LOCK{$key}
284	}	388	}
285		389
286	sub freeze_mainloop {	390	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
288		392
289	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
290	$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($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
291	};	454	}
292	$TICK_WATCHER->stop;	455	};
293	$guard	456
		457	sub get_slot($;$$) {
		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	$sig->wait;
294	}	469	}
295		470
296	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
297		472
298	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		478
304	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
305		480
306	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
307		482
308	The design of crossfire+ requires that the main coro ($Coro::main) is	483	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	484	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		486	acceptable.
311		487
312	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	490	server will be frozen during this time, so the block should either finish
315	fast or be very important.	491	fast or be very important.
…		…
318		494
319	sub sync_job(&) {	495	sub sync_job(&) {
320	my ($job) = @_;	496	my ($job) = @_;
321		497
322	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
		499	my $time = EV::time;
		500
323	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
325		503
326	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	505
328	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
329		507
330	my $busy = 1;	508	my $busy = 1;
331	my @res;	509	my @res;
332		510
333	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	513	@res = eval { $job->() };
335	warn $@ if $@;	514	warn $@ if $@;
336	undef $busy;	515	undef $busy;
337	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
338		517
339	while ($busy) {	518	while ($busy) {
340	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
341	}	523	}
		524	}
		525
		526	my $time = EV::time - $time;
		527
		528	$TICK_START += $time; # do not account sync jobs to server load
342		529
343	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
344	} else {	531	} else {
345	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
346		533
…		…
366	$EXT_CORO{$coro+0} = $coro;	553	$EXT_CORO{$coro+0} = $coro;
367		554
368	$coro	555	$coro
369	}	556	}
370		557
371	sub write_runtime {	558	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		559
374	my $runtime = "$LOCALDIR/runtime";	560	Executes the given code block with the given arguments in a seperate
		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.
375		564
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	565	=cut
377	or return;
378		566
379	my $value = $cf::RUNTIME + 90 + 10;	567	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	568	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		569
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	570	# we seemingly have to make a local copy of the whole thing,
384	and return;	571	# otherwise perl prematurely frees the stuff :/
		572	# TODO: investigate and fix (likely this will be rather laborious)
385		573
386	# always fsync - this file is important	574	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	575	reset_signals;
388	and return;	576	&$cb
		577	}, @args;
389		578
390	close $fh	579	wantarray ? @res : $res[-1]
391	or return;	580	}
392		581
393	aio_rename "$runtime~", $runtime	582	=item $coin = coin_from_name $name
394	and return;
395		583
		584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		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 $!;
		636	};
		637	cf::cleanup "db_open(db): $@" if $@;
		638
		639	$db
		640	}
		641
		642	our $DB;
		643
		644	sub db_init {
		645	cf::sync_job {
		646	$DB ||= db_table "db";
		647	};
		648	}
		649
		650	sub db_get($$) {
		651	my $key = "$_[0]/$_[1]";
		652
		653	cf::sync_job {
		654	BDB::db_get $DB, undef, $key, my $data;
		655
		656	$! ? ()
		657	: $data
396	1	658	}
		659	}
		660
		661	sub db_put($$$) {
		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"
397	}	734	}
398		735
399	=item cf::datalog type => key => value, ...	736	=item cf::datalog type => key => value, ...
400		737
401	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.
…		…
413		750
414	#############################################################################	751	#############################################################################
415		752
416	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
417		754
418	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
419	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")
420	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
421		758
422	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>
423	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
424	crossfire+).	761	Deliantra).
425		762
426	=over 4	763	=over 4
427		764
428	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
429		766
…		…
473	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
474		811
475	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
477		814
478	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
479	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.
480		817
481	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
482		819
483	=over 4	820	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	929	$registry = $CB_TYPE[$object_type] ||= [];
593		930
594	} elsif ($type eq "subtype") {	931	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	932	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	933	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	934	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		935
599	} elsif ($type eq "package") {	936	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	937	my $pkg = shift @arg;
601		938
602	while (my ($name, $id) = each %cb_id) {	939	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	968	_attach $registry, $klass, @attach;
632	}	969	}
633		970
634	$obj->{$name} = \%arg;	971	$obj->{$name} = \%arg;
635	} else {	972	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	973	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	974	}
638		975
639	$obj->{_attachment}{$name} = undef;	976	$obj->{_attachment}{$name} = undef;
640	}	977	}
641		978
…		…
643	if (ref $_[0]) {	980	if (ref $_[0]) {
644	_object_attach @_;	981	_object_attach @_;
645	} else {	982	} else {
646	_attach shift->_attach_registry, @_;	983	_attach shift->_attach_registry, @_;
647	}	984	}
		985	_recalc_want;
648	};	986	};
649		987
650	# all those should be optimised	988	# all those should be optimised
651	sub cf::attachable::detach {	989	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	990	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	993	delete $obj->{_attachment}{$name};
656	reattach ($obj);	994	reattach ($obj);
657	} else {	995	} else {
658	Carp::croak "cannot, currently, detach class attachments";	996	Carp::croak "cannot, currently, detach class attachments";
659	}	997	}
		998	_recalc_want;
660	};	999	};
661		1000
662	sub cf::attachable::attached {	1001	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
664		1003
…		…
679	";	1018	";
680	die if $@;	1019	die if $@;
681	}	1020	}
682		1021
683	our $override;	1022	our $override;
684	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?
685		1024
686	sub override {	1025	sub override {
687	$override = 1;	1026	$override = 1;
688	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
689	}	1028	}
690		1029
691	sub do_invoke {	1030	sub do_invoke {
692	my $event = shift;	1031	my $event = shift;
693	my $callbacks = shift;	1032	my $callbacks = shift;
694		1033
695	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
696		1035
697	local $override;	1036	local $override;
698		1037
699	for (@$callbacks) {	1038	for (@$callbacks) {
700	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
709	}	1048	}
710		1049
711	0	1050	0
712	}	1051	}
713		1052
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1054
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1056
718	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
719		1058
720	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
721	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
722	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1062
724	=back	1063	=back
725		1064
726	=cut	1065	=cut
727		1066
728	#############################################################################	1067	#############################################################################
729	# 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, $ob2
		1110	}
730		1111
731	sub reattach {	1112	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1114	my ($obj) = @_;
734		1115
		1116	# no longer needed after getting rid of delete_package?
735	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
736		1118
737	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
738		1120
739	@$registry = ();	1121	@$registry = ();
740		1122
…		…
755	cf::attachable->attach (	1137	cf::attachable->attach (
756	prio => -1000000,	1138	prio => -1000000,
757	on_instantiate => sub {	1139	on_instantiate => sub {
758	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
759		1141
760	$data = from_json $data;	1142	$data = decode_json $data;
761		1143
762	for (@$data) {	1144	for (@$data) {
763	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
764		1146
765	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1163	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
783		1165
784	sync_job {	1166	sync_job {
785	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
788		1171
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1176	aio_close $fh;
794		1177
795	if (@$objs) {	1178	if (@$objs) {
796	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) {
797	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1184	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
803	}	1186	}
804	} else {	1187	} else {
805	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
806	}	1189	}
…		…
811	}	1194	}
812	} else {	1195	} else {
813	aio_unlink $filename;	1196	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
815	}	1198	}
816	}	1199	};
817	}	1200	}
818		1201
819	sub object_freezer_as_string {	1202	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1203	my ($rdata, $objs) = @_;
821		1204
…		…
833	or return;	1216	or return;
834		1217
835	unless (aio_stat "$filename.pst") {	1218	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1219	(aio_load "$filename.pst", $av) >= 0
837	or return;	1220	or return;
		1221
838	$av = eval { (Storable::thaw $av)->{objs} };	1222	my $st = eval { Coro::Storable::thaw $av };
		1223	$av = $st->{objs};
839	}	1224	}
840		1225
		1226	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1227	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1228	$decname, length $data, scalar @{$av || []};
		1229
843	return ($data, $av);	1230	($data, $av)
844	}	1231	}
		1232
		1233	=head2 COMMAND CALLBACKS
		1234
		1235	=over 4
		1236
		1237	=cut
845		1238
846	#############################################################################	1239	#############################################################################
847	# command handling &c	1240	# command handling &c
848		1241
849	=item cf::register_command $name => \&callback($ob,$args);	1242	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1255	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1256	}
864		1257
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1258	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1259
867	Register a callbackf ro execution when the client sends an extcmd packet.	1260	Register a callback for execution when the client sends an (synchronous)
		1261	extcmd packet. Ext commands will be processed in the order they are
		1262	received by the server, like other user commands. The first argument is
		1263	the logged-in player. Ext commands can only be processed after a player
		1264	has logged in successfully.
868		1265
869	If the callback returns something, it is sent back as if reply was being	1266	If the callback returns something, it is sent back as if reply was being
870	called.	1267	called.
871		1268
		1269	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1270
		1271	Register a callback for execution when the client sends an (asynchronous)
		1272	exticmd packet. Exti commands are processed by the server as soon as they
		1273	are received, i.e. out of order w.r.t. other commands. The first argument
		1274	is a client socket. Exti commands can be received anytime, even before
		1275	log-in.
		1276
		1277	If the callback returns something, it is sent back as if reply was being
		1278	called.
		1279
872	=cut	1280	=cut
873		1281
874	sub register_extcmd {	1282	sub register_extcmd {
875	my ($name, $cb) = @_;	1283	my ($name, $cb) = @_;
876		1284
877	$EXTCMD{$name} = $cb;	1285	$EXTCMD{$name} = $cb;
		1286	}
		1287
		1288	sub register_exticmd {
		1289	my ($name, $cb) = @_;
		1290
		1291	$EXTICMD{$name} = $cb;
878	}	1292	}
879		1293
880	cf::player->attach (	1294	cf::player->attach (
881	on_command => sub {	1295	on_command => sub {
882	my ($pl, $name, $params) = @_;	1296	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1305	cf::override;
892	},	1306	},
893	on_extcmd => sub {	1307	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1308	my ($pl, $buf) = @_;
895		1309
896	my $msg = eval { from_json $buf };	1310	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1311
898	if (ref $msg) {	1312	if (ref $msg) {
		1313	my ($type, $reply, @payload) =
		1314	"ARRAY" eq ref $msg
		1315	? @$msg
		1316	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1317
		1318	my @reply;
		1319
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1320	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1321	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1322	}
		1323
		1324	$pl->ext_reply ($reply, @reply)
		1325	if $reply;
		1326
904	} else {	1327	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1328	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1329	}
907		1330
908	cf::override;	1331	cf::override;
909	},	1332	},
910	);	1333	);
911		1334
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1335	sub load_extensions {
		1336	cf::sync_job {
		1337	my %todo;
		1338
947	for my $ext (<$LIBDIR/*.ext>) {	1339	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1340	next unless -r $path;
949	eval {	1341
950	load_extension $ext;	1342	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1343	my $base = $1;
		1344	my $pkg = $1;
		1345	$pkg =~ s/[^[:word:]]/_/g;
		1346	$pkg = "ext::$pkg";
		1347
		1348	open my $fh, "<:utf8", $path
		1349	or die "$path: $!";
		1350
		1351	my $source = do { local $/; <$fh> };
		1352
		1353	my %ext = (
		1354	path => $path,
		1355	base => $base,
		1356	pkg => $pkg,
		1357	);
		1358
		1359	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1360	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1361
		1362	$ext{source} =
		1363	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1364	. "#line 1 \"$path\"\n{\n"
		1365	. $source
		1366	. "\n};\n1";
		1367
		1368	$todo{$base} = \%ext;
		1369	}
		1370
		1371	my %done;
		1372	while (%todo) {
		1373	my $progress;
		1374
		1375	while (my ($k, $v) = each %todo) {
		1376	for (split /,\s*/, $v->{meta}{depends}) {
		1377	goto skip
		1378	unless exists $done{$_};
		1379	}
		1380
		1381	warn "... loading '$k' into '$v->{pkg}'\n";
		1382
		1383	unless (eval $v->{source}) {
		1384	my $msg = $@ ? "$v->{path}: $@\n"
		1385	: "$v->{base}: extension inactive.\n";
		1386
		1387	if (exists $v->{meta}{mandatory}) {
		1388	warn $msg;
		1389	cf::cleanup "mandatory extension failed to load, exiting.";
		1390	}
		1391
		1392	warn $msg;
		1393	}
		1394
		1395	$done{$k} = delete $todo{$k};
		1396	push @EXTS, $v->{pkg};
		1397	$progress = 1;
951	1	1398	}
952	} or warn "$ext not loaded: $@";	1399
		1400	skip:
		1401	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1402	unless $progress;
		1403	}
953	}	1404	};
954	}	1405	}
955		1406
956	#############################################################################	1407	#############################################################################
957		1408
		1409	=back
		1410
958	=head2 CORE EXTENSIONS	1411	=head2 CORE EXTENSIONS
959		1412
960	Functions and methods that extend core crossfire objects.	1413	Functions and methods that extend core deliantra objects.
961		1414
962	=cut	1415	=cut
963		1416
964	package cf::player;	1417	package cf::player;
965		1418
966	use Coro::AIO;	1419	use Coro::AIO;
967		1420
968	=head3 cf::player	1421	=head3 cf::player
969		1422
970	=over 4	1423	=over 4
		1424
		1425	=item cf::player::num_playing
		1426
		1427	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1428
		1429	=cut
		1430
		1431	sub num_playing {
		1432	scalar grep
		1433	$_->ob->map
		1434	&& !$_->hidden
		1435	&& !$_->ob->flag (cf::FLAG_WIZ),
		1436	cf::player::list
		1437	}
971		1438
972	=item cf::player::find $login	1439	=item cf::player::find $login
973		1440
974	Returns the given player object, loading it if necessary (might block).	1441	Returns the given player object, loading it if necessary (might block).
975		1442
…		…
994		1461
995	sub exists($) {	1462	sub exists($) {
996	my ($login) = @_;	1463	my ($login) = @_;
997		1464
998	$cf::PLAYER{$login}	1465	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1466	or !aio_stat path $login
1000	}	1467	}
1001		1468
1002	sub find($) {	1469	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1470	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1471	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1478	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1479	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1480	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1481	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1482
1016	my $pl = load_pl path $login	1483	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1484	or return;
		1485
		1486	my $pl = cf::player::load_pl $f
		1487	or return;
		1488
		1489	local $cf::PLAYER_LOADING{$login} = $pl;
		1490	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1491	$cf::PLAYER{$login} = $pl
1019	}	1492	}
1020	}	1493	}
1021	}	1494	}
1022		1495
…		…
1031	return if $pl->{deny_save};	1504	return if $pl->{deny_save};
1032		1505
1033	aio_mkdir playerdir $pl, 0770;	1506	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1507	$pl->{last_save} = $cf::RUNTIME;
1035		1508
		1509	cf::get_slot 0.01;
		1510
1036	$pl->save_pl ($path);	1511	$pl->save_pl ($path);
1037	Coro::cede;	1512	cf::cede_to_tick;
1038	}	1513	}
1039		1514
1040	sub new($) {	1515	sub new($) {
1041	my ($login) = @_;	1516	my ($login) = @_;
1042		1517
…		…
1048	$cf::PLAYER{$login} = $self;	1523	$cf::PLAYER{$login} = $self;
1049		1524
1050	$self	1525	$self
1051	}	1526	}
1052		1527
		1528	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1529
		1530	=cut
		1531
		1532	sub send_msg {
		1533	my $ns = shift->ns
		1534	or return;
		1535	$ns->send_msg (@_);
		1536	}
		1537
1053	=item $pl->quit_character	1538	=item $pl->quit_character
1054		1539
1055	Nukes the player without looking back. If logged in, the connection will	1540	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1541	be destroyed. May block for a long time.
1057		1542
…		…
1061	my ($pl) = @_;	1546	my ($pl) = @_;
1062		1547
1063	my $name = $pl->ob->name;	1548	my $name = $pl->ob->name;
1064		1549
1065	$pl->{deny_save} = 1;	1550	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1551	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1552
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1553	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1554	$pl->deactivate;
		1555	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1556	$pl->ob->check_score;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1557	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1558	$pl->ns->destroy if $pl->ns;
1072		1559
1073	my $path = playerdir $pl;	1560	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1561	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1597	or return [];
1111		1598
1112	my @logins;	1599	my @logins;
1113		1600
1114	for my $login (@$dirs) {	1601	for my $login (@$dirs) {
		1602	my $path = path $login;
		1603
		1604	# a .pst is a dead give-away for a valid player
		1605	# if no pst file found, open and chekc for blocked users
		1606	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1607	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1608	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1609	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1610	}
1118		1611
1119	utf8::decode $login;	1612	utf8::decode $login;
1120	push @logins, $login;	1613	push @logins, $login;
1121	}	1614	}
1122		1615
…		…
1149	}	1642	}
1150		1643
1151	\@paths	1644	\@paths
1152	}	1645	}
1153		1646
		1647	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1648
		1649	Expand deliantra pod fragments into protocol xml.
		1650
1154	=item $player->ext_reply ($msgid, %msg)	1651	=item $player->ext_reply ($msgid, @msg)
1155		1652
1156	Sends an ext reply to the player.	1653	Sends an ext reply to the player.
1157		1654
1158	=cut	1655	=cut
1159		1656
1160	sub ext_reply($$%) {	1657	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1658	my ($self, $id, @msg) = @_;
1162		1659
1163	$msg{msgid} = $id;	1660	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1661	}
1167		1662
1168	=item $player->ext_event ($type, %msg)	1663	=item $player->ext_msg ($type, @msg)
1169		1664
1170	Sends an ext event to the client.	1665	Sends an ext event to the client.
1171		1666
1172	=cut	1667	=cut
1173		1668
1174	sub ext_event($$%) {	1669	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1670	my ($self, $type, @msg) = @_;
1176		1671
1177	$self->ns->ext_event ($type, %msg);	1672	$self->ns->ext_msg ($type, @msg);
1178	}	1673	}
1179		1674
1180	=head3 cf::region	1675	=head3 cf::region
1181		1676
1182	=over 4	1677	=over 4
…		…
1185		1680
1186	package cf::region;	1681	package cf::region;
1187		1682
1188	=item cf::region::find_by_path $path	1683	=item cf::region::find_by_path $path
1189		1684
1190	Tries to decuce the probable region for a map knowing only its path.	1685	Tries to decuce the likely region for a map knowing only its path.
1191		1686
1192	=cut	1687	=cut
1193		1688
1194	sub find_by_path($) {	1689	sub find_by_path($) {
1195	my ($path) = @_;	1690	my ($path) = @_;
1196		1691
1197	my ($match, $specificity);	1692	my ($match, $specificity);
1198		1693
1199	for my $region (list) {	1694	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1695	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1696	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1697	if $region->specificity > $specificity;
1203	}	1698	}
1204	}	1699	}
1205		1700
…		…
1226	our $MAX_RESET = 3600;	1721	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1722	our $DEFAULT_RESET = 3000;
1228		1723
1229	sub generate_random_map {	1724	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1725	my ($self, $rmp) = @_;
		1726
		1727	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1728
1231	# mit "rum" bekleckern, nicht	1729	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1730	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1269	my ($self, $merge) = @_;	1767	my ($self, $merge) = @_;
1270		1768
1271	# we have to keep some variables in memory intact	1769	# we have to keep some variables in memory intact
1272	local $self->{path};	1770	local $self->{path};
1273	local $self->{load_path};	1771	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1772
1277	$self->SUPER::thawer_merge ($merge);	1773	$self->SUPER::thawer_merge ($merge);
1278	}	1774	}
1279		1775
1280	sub normalise {	1776	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1328	return $self;	1824	return $self;
1329	}	1825	}
1330	}	1826	}
1331		1827
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1829	()
1334	}	1830	}
1335		1831
1336	sub init {	1832	sub init {
1337	my ($self) = @_;	1833	my ($self) = @_;
…		…
1352		1848
1353	# the original (read-only) location	1849	# the original (read-only) location
1354	sub load_path {	1850	sub load_path {
1355	my ($self) = @_;	1851	my ($self) = @_;
1356		1852
1357	"$MAPDIR($self->{path}"	1853	"$MAPDIR/$self->{path}.map"
1358	}	1854	}
1359		1855
1360	# the temporary/swap location	1856	# the temporary/swap location
1361	sub save_path {	1857	sub save_path {
1362	my ($self) = @_;	1858	my ($self) = @_;
1363		1859
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path"	1861	"$TMPDIR/$path.map"
1366	}	1862	}
1367		1863
1368	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1369	sub uniq_path {	1865	sub uniq_path {
1370	my ($self) = @_;	1866	my ($self) = @_;
1371		1867
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1869	"$UNIQUEDIR/$path"
1374	}	1870	}
1375		1871
1376	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1377	# all maps in C++...	1873	# all maps in C++...
…		…
1380		1876
1381	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1383	}	1879	}
1384		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1385	sub unlink_save {	1889	sub unlink_save {
1386	my ($self) = @_;	1890	my ($self) = @_;
1387		1891
1388	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1896
1393	sub load_header_from($) {	1897	sub load_header_from($) {
1394	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1395		1899
1396	utf8::encode $path;	1900	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1402		1909
1403	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1404		1911
1405	1	1912	1
1406	}	1913	}
…		…
1445	$self->load_header_orig	1952	$self->load_header_orig
1446	or return;	1953	or return;
1447	$self->prepare_orig;	1954	$self->prepare_orig;
1448	}	1955	}
1449		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
1450	$self->default_region (cf::region::find_by_path $self->{path})	1960	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1961	unless $self->default_region;
1452		1962
1453	1	1963	1
1454	}	1964	}
…		…
1457	sub find {	1967	sub find {
1458	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1459		1969
1460	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1461		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1463		1974
1464	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
		1976	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1465	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard2 = cf::lock_acquire "map_find:$path";
		1978
1466	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1467	or return;	1980	or return;
1468		1981
1469	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1470		1983
1471	$map->load_header	1984	$map->load_header
1472	or return;	1985	or return;
1473		1986
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard2;
		1991	undef $guard1;
1477	$map->reset;	1992	$map->reset;
1478	undef $guard;
1479	return find $path;	1993	return find $path;
1480	}	1994	}
1481		1995
1482	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1483	}	1997	}
…		…
1490	my ($self) = @_;	2004	my ($self) = @_;
1491		2005
1492	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1493		2007
1494	my $path = $self->{path};	2008	my $path = $self->{path};
		2009
		2010	{
1495	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1496		2012
		2013	return unless $self->valid;
1497	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1498		2015
1499	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1500		2017
1501	$self->alloc;	2018	$self->alloc;
1502		2019
1503	$self->pre_load;	2020	$self->pre_load;
1504	Coro::cede;	2021	cf::cede_to_tick;
1505		2022
1506	$self->_load_objects ($self->{load_path}, 1)	2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
		2025	$self->_load_objects ($f)
1507	or return;	2026	or return;
1508		2027
1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->post_load_original
1510	if delete $self->{load_original};	2029	if delete $self->{load_original};
1511		2030
1512	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1513	utf8::encode $uniq;	2032	utf8::encode $uniq;
1514	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1515	$self->clear_unique_items;	2035	$self->clear_unique_items;
1516	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1517	}	2039	}
1518	}	2040	}
1519		2041
1520	Coro::cede;	2042	$f->resolve_delayed_derefs;
		2043
		2044	cf::cede_to_tick;
1521	# now do the right thing for maps	2045	# now do the right thing for maps
1522	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1523	Coro::cede;
1524
1525	unless ($self->{deny_activate}) {
1526	$self->decay_objects;
1527	$self->fix_auto_apply;
1528	$self->update_buttons;
1529	Coro::cede;
1530	$self->set_darkness_map;
1531	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1532	unless $self->difficulty;	2048	unless $self->difficulty;
1533	Coro::cede;	2049	cf::cede_to_tick;
		2050
		2051	unless ($self->{deny_activate}) {
		2052	$self->decay_objects;
		2053	$self->fix_auto_apply;
		2054	$self->update_buttons;
		2055	cf::cede_to_tick;
		2056	$self->set_darkness_map;
		2057	cf::cede_to_tick;
1534	$self->activate;	2058	$self->activate;
1535	Coro::cede;	2059	}
		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
		2063
		2064	$self->in_memory (cf::MAP_ACTIVE);
1536	}	2065	}
1537		2066
1538	$self->post_load;	2067	$self->post_load;
1539	Coro::cede;
1540
1541	$self->in_memory (cf::MAP_IN_MEMORY);
1542	}	2068	}
1543		2069
1544	sub customise_for {	2070	sub customise_for {
1545	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1546		2072
1547	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1548	if $self->per_player;	2074	if $self->per_player;
1549		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1550	$self	2079	$self
1551	}	2080	}
1552		2081
1553	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1554	sub load_diag {	2083	sub load_neighbours {
1555	my ($map) = @_;	2084	my ($map) = @_;
1556		2085
1557	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1558		2087
1559	for (0 .. 3) {	2088	for (0 .. 3) {
1560	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1561	or next;	2090	or next;
1562	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1563	or next;	2092	or next;
1564	$neigh->load;	2093	$neigh->load;
1565		2094
		2095	push @neigh,
1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1568	}	2098	}
1569		2099
1570	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1571	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1572	or next;	2103	or next;
1573	$neigh->load;	2104	$neigh->load;
1574	}	2105	}
1575	}	2106	}
1576		2107
…		…
1581	}	2112	}
1582		2113
1583	sub do_load_sync {	2114	sub do_load_sync {
1584	my ($map) = @_;	2115	my ($map) = @_;
1585		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1586	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1587	}	2121	}
1588		2122
1589	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1590	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1591		2125
1592	sub find_async {	2126	sub find_async {
1593	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1594		2128
1595	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1596		2130
1597	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1599	}	2133	}
1600		2134
1601	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1602	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1603	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1604	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1605	my $map = find $path	2142	if (my $map = find $k) {
1606	or next;
1607	$map->load;	2143	$map->load if $v;
		2144	}
1608		2145
1609	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1610	}	2147	}
1611	}	2148	}
1612	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1613	};	2150	};
1614	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1617	}	2154	}
1618		2155
1619	sub save {	2156	sub save {
1620	my ($self) = @_;	2157	my ($self) = @_;
1621		2158
1622	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1623		2160
1624	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1625		2162
1626	return unless $self->dirty;	2163	return unless $self->dirty;
1627		2164
…		…
1633	return if $self->{deny_save};	2170	return if $self->{deny_save};
1634		2171
1635	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1636		2173
1637	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1638	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1639	};	2177	};
		2178
		2179	cf::get_slot 0.02;
1640		2180
1641	if ($uniq) {	2181	if ($uniq) {
1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1643	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2183	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1644	} else {	2184	} else {
…		…
1650	my ($self) = @_;	2190	my ($self) = @_;
1651		2191
1652	# save first because save cedes	2192	# save first because save cedes
1653	$self->save;	2193	$self->save;
1654		2194
1655	my $lock = cf::lock_acquire "map_data:" . $self->path;	2195	my $lock = cf::lock_acquire "map_data:$self->{path}";
1656		2196
1657	return if $self->players;	2197	return if $self->players;
1658	return if $self->in_memory != cf::MAP_IN_MEMORY;	2198	return if $self->in_memory != cf::MAP_ACTIVE;
1659	return if $self->{deny_save};	2199	return if $self->{deny_save};
1660		2200
		2201	$self->in_memory (cf::MAP_SWAPPED);
		2202
		2203	$self->deactivate;
		2204	$_->clear_links_to ($self) for values %cf::MAP;
1661	$self->clear;	2205	$self->clear;
1662	$self->in_memory (cf::MAP_SWAPPED);
1663	}	2206	}
1664		2207
1665	sub reset_at {	2208	sub reset_at {
1666	my ($self) = @_;	2209	my ($self) = @_;
1667		2210
1668	# TODO: safety, remove and allow resettable per-player maps	2211	# TODO: safety, remove and allow resettable per-player maps
1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1670	return 1e99 if $self->{deny_reset};	2212	return 1e99 if $self->{deny_reset};
1671		2213
1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2214	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2215	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674		2216
…		…
1685	my ($self) = @_;	2227	my ($self) = @_;
1686		2228
1687	my $lock = cf::lock_acquire "map_data:$self->{path}";	2229	my $lock = cf::lock_acquire "map_data:$self->{path}";
1688		2230
1689	return if $self->players;	2231	return if $self->players;
1690	return if $self->isa ("ext::map_per_player");#d#
1691		2232
1692	warn "resetting map ", $self->path;#d#	2233	warn "resetting map ", $self->path;
1693		2234
1694	$self->in_memory (cf::MAP_SWAPPED);	2235	$self->in_memory (cf::MAP_SWAPPED);
1695		2236
1696	# need to save uniques path	2237	# need to save uniques path
1697	unless ($self->{deny_save}) {	2238	unless ($self->{deny_save}) {
…		…
1701	if $uniq;	2242	if $uniq;
1702	}	2243	}
1703		2244
1704	delete $cf::MAP{$self->path};	2245	delete $cf::MAP{$self->path};
1705		2246
		2247	$self->deactivate;
		2248	$_->clear_links_to ($self) for values %cf::MAP;
1706	$self->clear;	2249	$self->clear;
1707
1708	$_->clear_links_to ($self) for values %cf::MAP;
1709		2250
1710	$self->unlink_save;	2251	$self->unlink_save;
1711	$self->destroy;	2252	$self->destroy;
1712	}	2253	}
1713		2254
1714	my $nuke_counter = "aaaa";	2255	my $nuke_counter = "aaaa";
1715		2256
1716	sub nuke {	2257	sub nuke {
1717	my ($self) = @_;	2258	my ($self) = @_;
1718		2259
		2260	{
		2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2262
1719	delete $cf::MAP{$self->path};	2263	delete $cf::MAP{$self->path};
1720		2264
1721	$self->unlink_save;	2265	$self->unlink_save;
1722		2266
1723	bless $self, "cf::map";	2267	bless $self, "cf::map";
1724	delete $self->{deny_reset};	2268	delete $self->{deny_reset};
1725	$self->{deny_save} = 1;	2269	$self->{deny_save} = 1;
1726	$self->reset_timeout (1);	2270	$self->reset_timeout (1);
1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2271	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728		2272
1729	$cf::MAP{$self->path} = $self;	2273	$cf::MAP{$self->path} = $self;
		2274	}
1730		2275
1731	$self->reset; # polite request, might not happen	2276	$self->reset; # polite request, might not happen
		2277	}
		2278
		2279	=item $maps = cf::map::tmp_maps
		2280
		2281	Returns an arrayref with all map paths of currently instantiated and saved
		2282	maps. May block.
		2283
		2284	=cut
		2285
		2286	sub tmp_maps() {
		2287	[
		2288	map {
		2289	utf8::decode $_;
		2290	/\.map$/
		2291	? normalise $_
		2292	: ()
		2293	} @{ aio_readdir $TMPDIR or [] }
		2294	]
		2295	}
		2296
		2297	=item $maps = cf::map::random_maps
		2298
		2299	Returns an arrayref with all map paths of currently instantiated and saved
		2300	random maps. May block.
		2301
		2302	=cut
		2303
		2304	sub random_maps() {
		2305	[
		2306	map {
		2307	utf8::decode $_;
		2308	/\.map$/
		2309	? normalise "?random/$_"
		2310	: ()
		2311	} @{ aio_readdir $RANDOMDIR or [] }
		2312	]
1732	}	2313	}
1733		2314
1734	=item cf::map::unique_maps	2315	=item cf::map::unique_maps
1735		2316
1736	Returns an arrayref of paths of all shared maps that have	2317	Returns an arrayref of paths of all shared maps that have
1737	instantiated unique items. May block.	2318	instantiated unique items. May block.
1738		2319
1739	=cut	2320	=cut
1740		2321
1741	sub unique_maps() {	2322	sub unique_maps() {
1742	my $files = aio_readdir $UNIQUEDIR	2323	[
1743	or return;	2324	map {
1744
1745	my @paths;
1746
1747	for (@$files) {
1748	utf8::decode $_;	2325	utf8::decode $_;
1749	next if /\.pst$/;	2326	s/\.map$//; # TODO future compatibility hack
1750	next unless /^$PATH_SEP/o;	2327	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1751		2328	? ()
1752	push @paths, cf::map::normalise $_;	2329	: normalise $_
		2330	} @{ aio_readdir $UNIQUEDIR or [] }
1753	}	2331	]
1754
1755	\@paths
1756	}	2332	}
1757
1758	package cf;
1759		2333
1760	=back	2334	=back
1761		2335
1762	=head3 cf::object	2336	=head3 cf::object
1763		2337
…		…
1767		2341
1768	=over 4	2342	=over 4
1769		2343
1770	=item $ob->inv_recursive	2344	=item $ob->inv_recursive
1771		2345
1772	Returns the inventory of the object _and_ their inventories, recursively.	2346	Returns the inventory of the object I<and> their inventories, recursively,
		2347	but I<not> the object itself.
1773		2348
1774	=cut	2349	=cut
1775		2350
1776	sub inv_recursive_;	2351	sub inv_recursive_;
1777	sub inv_recursive_ {	2352	sub inv_recursive_ {
…		…
1780		2355
1781	sub inv_recursive {	2356	sub inv_recursive {
1782	inv_recursive_ inv $_[0]	2357	inv_recursive_ inv $_[0]
1783	}	2358	}
1784		2359
		2360	=item $ref = $ob->ref
		2361
		2362	Creates and returns a persistent reference to an object that can be stored as a string.
		2363
		2364	=item $ob = cf::object::deref ($refstring)
		2365
		2366	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2367	even if the object actually exists. May block.
		2368
		2369	=cut
		2370
		2371	sub deref {
		2372	my ($ref) = @_;
		2373
		2374	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2375	my ($uuid, $name) = ($1, $2);
		2376	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2377	or return;
		2378	$pl->ob->uuid eq $uuid
		2379	or return;
		2380
		2381	$pl->ob
		2382	} else {
		2383	warn "$ref: cannot resolve object reference\n";
		2384	undef
		2385	}
		2386	}
		2387
1785	package cf;	2388	package cf;
1786		2389
1787	=back	2390	=back
1788		2391
1789	=head3 cf::object::player	2392	=head3 cf::object::player
…		…
1795	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2398	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1796	can be C<undef>. Does the right thing when the player is currently in a	2399	can be C<undef>. Does the right thing when the player is currently in a
1797	dialogue with the given NPC character.	2400	dialogue with the given NPC character.
1798		2401
1799	=cut	2402	=cut
		2403
		2404	our $SAY_CHANNEL = {
		2405	id => "say",
		2406	title => "Map",
		2407	reply => "say ",
		2408	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2409	};
		2410
		2411	our $CHAT_CHANNEL = {
		2412	id => "chat",
		2413	title => "Chat",
		2414	reply => "chat ",
		2415	tooltip => "Player chat and shouts, global to the server.",
		2416	};
1800		2417
1801	# rough implementation of a future "reply" method that works	2418	# rough implementation of a future "reply" method that works
1802	# with dialog boxes.	2419	# with dialog boxes.
1803	#TODO: the first argument must go, split into a $npc->reply_to ( method	2420	#TODO: the first argument must go, split into a $npc->reply_to ( method
1804	sub cf::object::player::reply($$$;$) {	2421	sub cf::object::player::reply($$$;$) {
…		…
1806		2423
1807	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2424	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808		2425
1809	if ($self->{record_replies}) {	2426	if ($self->{record_replies}) {
1810	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2427	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2428
1811	} else {	2429	} else {
		2430	my $pl = $self->contr;
		2431
		2432	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2433	my $dialog = $pl->{npc_dialog};
		2434	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2435
		2436	} else {
1812	$msg = $npc->name . " says: $msg" if $npc;	2437	$msg = $npc->name . " says: $msg" if $npc;
1813	$self->message ($msg, $flags);	2438	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2439	}
1814	}	2440	}
		2441	}
		2442
		2443	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2444
		2445	=cut
		2446
		2447	sub cf::object::send_msg {
		2448	my $pl = shift->contr
		2449	or return;
		2450	$pl->send_msg (@_);
1815	}	2451	}
1816		2452
1817	=item $player_object->may ("access")	2453	=item $player_object->may ("access")
1818		2454
1819	Returns wether the given player is authorized to access resource "access"	2455	Returns wether the given player is authorized to access resource "access"
…		…
1832		2468
1833	=item $player_object->enter_link	2469	=item $player_object->enter_link
1834		2470
1835	Freezes the player and moves him/her to a special map (C<{link}>).	2471	Freezes the player and moves him/her to a special map (C<{link}>).
1836		2472
1837	The player should be reasonably safe there for short amounts of time. You	2473	The player should be reasonably safe there for short amounts of time (e.g.
1838	I<MUST> call C<leave_link> as soon as possible, though.	2474	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2475	though, as the palyer cannot control the character while it is on the link
		2476	map.
1839		2477
1840	Will never block.	2478	Will never block.
1841		2479
1842	=item $player_object->leave_link ($map, $x, $y)	2480	=item $player_object->leave_link ($map, $x, $y)
1843		2481
…		…
1866	$self->deactivate_recursive;	2504	$self->deactivate_recursive;
1867		2505
1868	return if UNIVERSAL::isa $self->map, "ext::map_link";	2506	return if UNIVERSAL::isa $self->map, "ext::map_link";
1869		2507
1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2508	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871	if $self->map;	2509	if $self->map && $self->map->{path} ne "{link}";
1872		2510
1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2511	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1874	}	2512	}
1875		2513
1876	sub cf::object::player::leave_link {	2514	sub cf::object::player::leave_link {
1877	my ($self, $map, $x, $y) = @_;	2515	my ($self, $map, $x, $y) = @_;
		2516
		2517	return unless $self->contr->active;
1878		2518
1879	my $link_pos = delete $self->{_link_pos};	2519	my $link_pos = delete $self->{_link_pos};
1880		2520
1881	unless ($map) {	2521	unless ($map) {
1882	# restore original map position	2522	# restore original map position
…		…
1896	# use -1 or undef as default coordinates, not 0, 0	2536	# use -1 or undef as default coordinates, not 0, 0
1897	($x, $y) = ($map->enter_x, $map->enter_y)	2537	($x, $y) = ($map->enter_x, $map->enter_y)
1898	if $x <=0 && $y <= 0;	2538	if $x <=0 && $y <= 0;
1899		2539
1900	$map->load;	2540	$map->load;
1901	$map->load_diag;	2541	$map->load_neighbours;
1902		2542
1903	return unless $self->contr->active;	2543	return unless $self->contr->active;
		2544	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1904	$self->activate_recursive;	2545	$self->activate_recursive;
1905		2546
1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2547	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907	$self->enter_map ($map, $x, $y);	2548	$self->enter_map ($map, $x, $y);
1908	}	2549	}
1909		2550
1910	cf::player->attach (	2551	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1911	on_logout => sub {
1912	my ($pl) = @_;
1913		2552
1914	# abort map switching before logout	2553	Moves the player to the given map-path and coordinates by first freezing
1915	if ($pl->ob->{_link_pos}) {	2554	her, loading and preparing them map, calling the provided $check callback
1916	cf::sync_job {	2555	that has to return the map if sucecssful, and then unfreezes the player on
1917	$pl->ob->leave_link	2556	the new (success) or old (failed) map position. In either case, $done will
1918	};	2557	be called at the end of this process.
1919	}
1920	},
1921	on_login => sub {
1922	my ($pl) = @_;
1923		2558
1924	# try to abort aborted map switching on player login :)	2559	Note that $check will be called with a potentially non-loaded map, so if
1925	# should happen only on crashes	2560	it needs a loaded map it has to call C<< ->load >>.
1926	if ($pl->ob->{_link_pos}) {
1927	$pl->ob->enter_link;
1928	(async {
1929	$pl->ob->reply (undef,
1930	"There was an internal problem at your last logout, "
1931	. "the server will try to bring you to your intended destination in a second.",
1932	cf::NDI_RED);
1933	# we need this sleep as the login has a concurrent enter_exit running
1934	# and this sleep increases chances of the player not ending up in scorn
1935	Coro::Timer::sleep 1;
1936	$pl->ob->leave_link;
1937	})->prio (2);
1938	}
1939	},
1940	);
1941		2561
1942	=item $player_object->goto ($path, $x, $y)
1943
1944	=cut	2562	=cut
		2563
		2564	our $GOTOGEN;
1945		2565
1946	sub cf::object::player::goto {	2566	sub cf::object::player::goto {
1947	my ($self, $path, $x, $y) = @_;	2567	my ($self, $path, $x, $y, $check, $done) = @_;
		2568
		2569	# do generation counting so two concurrent goto's will be executed in-order
		2570	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948		2571
1949	$self->enter_link;	2572	$self->enter_link;
1950		2573
1951	(async {	2574	(async {
		2575	$Coro::current->{desc} = "player::goto $path $x $y";
		2576
		2577	# *tag paths override both path and x|y
		2578	if ($path =~ /^\*(.*)$/) {
		2579	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2580	my $ob = $obs[rand @obs];
		2581
		2582	# see if we actually can go there
		2583	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2584	$ob = $obs[rand @obs];
		2585	} else {
		2586	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588	# else put us there anyways for now #d#
		2589
		2590	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2591	} else {
		2592	($path, $x, $y) = (undef, undef, undef);
		2593	}
		2594	}
		2595
1952	my $map = eval {	2596	my $map = eval {
1953	my $map = cf::map::find $path;	2597	my $map = defined $path ? cf::map::find $path : undef;
		2598
		2599	if ($map) {
1954	$map = $map->customise_for ($self) if $map;	2600	$map = $map->customise_for ($self);
		2601	$map = $check->($map) if $check && $map;
		2602	} else {
		2603	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2604	}
		2605
1955	$map	2606	$map
		2607	};
		2608
		2609	if ($@) {
		2610	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2611	LOG llevError | logBacktrace, Carp::longmess $@;
1956	} or	2612	}
1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958		2613
		2614	if ($gen == $self->{_goto_generation}) {
		2615	delete $self->{_goto_generation};
1959	$self->leave_link ($map, $x, $y);	2616	$self->leave_link ($map, $x, $y);
		2617	}
		2618
		2619	$done->() if $done;
1960	})->prio (1);	2620	})->prio (1);
1961	}	2621	}
1962		2622
1963	=item $player_object->enter_exit ($exit_object)	2623	=item $player_object->enter_exit ($exit_object)
1964		2624
…		…
1984	}	2644	}
1985		2645
1986	sub prepare_random_map {	2646	sub prepare_random_map {
1987	my ($exit) = @_;	2647	my ($exit) = @_;
1988		2648
1989	my $guard = cf::lock_acquire "exit_prepare:$exit";
1990
1991	# all this does is basically replace the /! path by	2649	# all this does is basically replace the /! path by
1992	# a new random map path (?random/...) with a seed	2650	# a new random map path (?random/...) with a seed
1993	# that depends on the exit object	2651	# that depends on the exit object
1994		2652
1995	my $rmp = parse_random_map_params $exit->msg;	2653	my $rmp = parse_random_map_params $exit->msg;
…		…
1997	if ($exit->map) {	2655	if ($exit->map) {
1998	$rmp->{region} = $exit->region->name;	2656	$rmp->{region} = $exit->region->name;
1999	$rmp->{origin_map} = $exit->map->path;	2657	$rmp->{origin_map} = $exit->map->path;
2000	$rmp->{origin_x} = $exit->x;	2658	$rmp->{origin_x} = $exit->x;
2001	$rmp->{origin_y} = $exit->y;	2659	$rmp->{origin_y} = $exit->y;
		2660
		2661	$exit->map->touch;
2002	}	2662	}
2003		2663
2004	$rmp->{random_seed} ||= $exit->random_seed;	2664	$rmp->{random_seed} ||= $exit->random_seed;
2005		2665
2006	my $data = cf::to_json $rmp;	2666	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2007	my $md5 = Digest::MD5::md5_hex $data;	2667	my $md5 = Digest::MD5::md5_hex $data;
2008	my $meta = "$RANDOMDIR/$md5.meta";	2668	my $meta = "$RANDOMDIR/$md5.meta";
2009		2669
2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2670	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2011	aio_write $fh, 0, (length $data), $data, 0;	2671	aio_write $fh, 0, (length $data), $data, 0;
2012	undef $fh;	2672	undef $fh;
2013	aio_rename "$meta~", $meta;	2673	aio_rename "$meta~", $meta;
2014		2674
		2675	my $slaying = "?random/$md5";
		2676
		2677	if ($exit->valid) {
2015	$exit->slaying ("?random/$md5");	2678	$exit->slaying ("?random/$md5");
2016	$exit->msg (undef);	2679	$exit->msg (undef);
		2680	}
2017	}	2681	}
2018	}	2682	}
2019		2683
2020	sub cf::object::player::enter_exit {	2684	sub cf::object::player::enter_exit {
2021	my ($self, $exit) = @_;	2685	my ($self, $exit) = @_;
2022		2686
2023	return unless $self->type == cf::PLAYER;	2687	return unless $self->type == cf::PLAYER;
2024		2688
2025	if ($exit->slaying eq "/!") {
2026	#TODO: this should de-fi-ni-te-ly not be a sync-job
2027	# the problem is that $exit might not survive long enough
2028	# so it needs to be done right now, right here
2029	cf::sync_job { prepare_random_map $exit };
2030	}
2031
2032	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2033	my $hp = $exit->stats->hp;
2034	my $sp = $exit->stats->sp;
2035
2036	$self->enter_link;	2689	$self->enter_link;
2037		2690
2038	(async {	2691	(async {
2039	$self->deactivate_recursive; # just to be sure	2692	$Coro::current->{desc} = "enter_exit";
		2693
2040	unless (eval {	2694	unless (eval {
		2695	$self->deactivate_recursive; # just to be sure
		2696
		2697	# random map handling
		2698	{
		2699	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2700
		2701	prepare_random_map $exit
		2702	if $exit->slaying eq "/!";
		2703	}
		2704
		2705	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2706	my $x = $exit->stats->hp;
		2707	my $y = $exit->stats->sp;
		2708
2041	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($map, $x, $y);
2042		2710
		2711	# if exit is damned, update players death & WoR home-position
		2712	$self->contr->savebed ($map, $x, $y)
		2713	if $exit->flag (cf::FLAG_DAMNED);
		2714
2043	1;	2715	1
2044	}) {	2716	}) {
2045	$self->message ("Something went wrong deep within the crossfire server. "	2717	$self->message ("Something went wrong deep within the deliantra server. "
2046	. "I'll try to bring you back to the map you were before. "	2718	. "I'll try to bring you back to the map you were before. "
2047	. "Please report this to the dungeon master!",	2719	. "Please report this to the dungeon master!",
2048	cf::NDI_UNIQUE | cf::NDI_RED);	2720	cf::NDI_UNIQUE | cf::NDI_RED);
2049		2721
2050	warn "ERROR in enter_exit: $@";	2722	warn "ERROR in enter_exit: $@";
…		…
2069		2741
2070	utf8::encode $text;	2742	utf8::encode $text;
2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2743	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2072	}	2744	}
2073		2745
		2746	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2747
		2748	Send a drawinfo or msg packet to the client, formatting the msg for the
		2749	client if neccessary. C<$type> should be a string identifying the type of
		2750	the message, with C<log> being the default. If C<$color> is negative, suppress
		2751	the message unless the client supports the msg packet.
		2752
		2753	=cut
		2754
		2755	# non-persistent channels (usually the info channel)
		2756	our %CHANNEL = (
		2757	"c/identify" => {
		2758	id => "infobox",
		2759	title => "Identify",
		2760	reply => undef,
		2761	tooltip => "Items recently identified",
		2762	},
		2763	"c/examine" => {
		2764	id => "infobox",
		2765	title => "Examine",
		2766	reply => undef,
		2767	tooltip => "Signs and other items you examined",
		2768	},
		2769	"c/book" => {
		2770	id => "infobox",
		2771	title => "Book",
		2772	reply => undef,
		2773	tooltip => "The contents of a note or book",
		2774	},
		2775	"c/lookat" => {
		2776	id => "infobox",
		2777	title => "Look",
		2778	reply => undef,
		2779	tooltip => "What you saw there",
		2780	},
		2781	"c/who" => {
		2782	id => "infobox",
		2783	title => "Players",
		2784	reply => undef,
		2785	tooltip => "Shows players who are currently online",
		2786	},
		2787	"c/body" => {
		2788	id => "infobox",
		2789	title => "Body Parts",
		2790	reply => undef,
		2791	tooltip => "Shows which body parts you posess and are available",
		2792	},
		2793	"c/skills" => {
		2794	id => "infobox",
		2795	title => "Skills",
		2796	reply => undef,
		2797	tooltip => "Shows your experience per skill and item power",
		2798	},
		2799	"c/uptime" => {
		2800	id => "infobox",
		2801	title => "Uptime",
		2802	reply => undef,
		2803	tooltip => "How long the server has been running since last restart",
		2804	},
		2805	"c/mapinfo" => {
		2806	id => "infobox",
		2807	title => "Map Info",
		2808	reply => undef,
		2809	tooltip => "Information related to the maps",
		2810	},
		2811	"c/party" => {
		2812	id => "party",
		2813	title => "Party",
		2814	reply => "gsay ",
		2815	tooltip => "Messages and chat related to your party",
		2816	},
		2817	);
		2818
		2819	sub cf::client::send_msg {
		2820	my ($self, $channel, $msg, $color, @extra) = @_;
		2821
		2822	$msg = $self->pl->expand_cfpod ($msg)
		2823	unless $color & cf::NDI_VERBATIM;
		2824
		2825	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2826
		2827	# check predefined channels, for the benefit of C
		2828	if ($CHANNEL{$channel}) {
		2829	$channel = $CHANNEL{$channel};
		2830
		2831	$self->ext_msg (channel_info => $channel)
		2832	if $self->can_msg;
		2833
		2834	$channel = $channel->{id};
		2835
		2836	} elsif (ref $channel) {
		2837	# send meta info to client, if not yet sent
		2838	unless (exists $self->{channel}{$channel->{id}}) {
		2839	$self->{channel}{$channel->{id}} = $channel;
		2840	$self->ext_msg (channel_info => $channel)
		2841	if $self->can_msg;
		2842	}
		2843
		2844	$channel = $channel->{id};
		2845	}
		2846
		2847	return unless @extra || length $msg;
		2848
		2849	if ($self->can_msg) {
		2850	# default colour, mask it out
		2851	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2852	if $color & cf::NDI_DEF;
		2853
		2854	my $pkt = "msg "
		2855	. $self->{json_coder}->encode (
		2856	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2857	);
		2858
		2859	# try lzf for large packets
		2860	$pkt = "lzf " . Compress::LZF::compress $pkt
		2861	if 1024 <= length $pkt and $self->{can_lzf};
		2862
		2863	# split very large packets
		2864	if (8192 < length $pkt and $self->{can_lzf}) {
		2865	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2866	$pkt = "frag";
		2867	}
		2868
		2869	$self->send_packet ($pkt);
		2870	} else {
		2871	if ($color >= 0) {
		2872	# replace some tags by gcfclient-compatible ones
		2873	for ($msg) {
		2874	1 while
		2875	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2876	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2877	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2878	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2879	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2880	}
		2881
		2882	$color &= cf::NDI_COLOR_MASK;
		2883
		2884	utf8::encode $msg;
		2885
		2886	if (0 && $msg =~ /\[/) {
		2887	# COMMAND/INFO
		2888	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2889	} else {
		2890	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2891	$self->send_packet ("drawinfo $color $msg")
		2892	}
		2893	}
		2894	}
		2895	}
		2896
2074	=item $client->ext_event ($type, %msg)	2897	=item $client->ext_msg ($type, @msg)
2075		2898
2076	Sends an exti event to the client.	2899	Sends an ext event to the client.
2077		2900
2078	=cut	2901	=cut
2079		2902
2080	sub cf::client::ext_event($$%) {	2903	sub cf::client::ext_msg($$@) {
2081	my ($self, $type, %msg) = @_;	2904	my ($self, $type, @msg) = @_;
2082		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
2083	$msg{msgtype} = "event_$type";	2909	push @msg, msgtype => "event_$type";
2084	$self->send_packet ("ext " . cf::to_json \%msg);	2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
2085	}	2930	}
2086		2931
2087	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
2088		2933
2089	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2935	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2091	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2936	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092		2937
2093	Queries can fail, so check the return code. Or don't, as queries will become	2938	Queries can fail, so check the return code. Or don't, as queries will
2094	reliable at some point in the future.	2939	become reliable at some point in the future.
2095		2940
2096	=cut	2941	=cut
2097		2942
2098	sub cf::client::query {	2943	sub cf::client::query {
2099	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
2107	utf8::encode $text;	2952	utf8::encode $text;
2108	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109		2954
2110	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
2111	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
2112	}	2959	}
2113		2960
2114	cf::client->attach (	2961	cf::client->attach (
		2962	on_connect => sub {
		2963	my ($ns) = @_;
		2964
		2965	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2966	},
2115	on_reply => sub {	2967	on_reply => sub {
2116	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
2117		2969
2118	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
2119	# get handled first	2971	# get handled first
…		…
2131	} else {	2983	} else {
2132	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133	}	2985	}
2134	}	2986	}
2135	},	2987	},
		2988	on_exticmd => sub {
		2989	my ($ns, $buf) = @_;
		2990
		2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2992
		2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
		3001	if (my $cb = $EXTICMD{$type}) {
		3002	@reply = $cb->($ns, @payload);
		3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
		3008	} else {
		3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3010	}
		3011
		3012	cf::override;
		3013	},
2136	);	3014	);
2137		3015
2138	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
2139		3017
2140	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
2181	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2182	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2183		3061
2184	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2185		3063
2186	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2187		3069
2188	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2189		3071
2190	=pod	3072	=pod
2191		3073
2192	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2193		3075
2194	cf::object contr pay_amount pay_player map	3076	cf::object
		3077	contr pay_amount pay_player map x y force_find force_add destroy
		3078	insert remove name archname title slaying race decrease split
		3079
2195	cf::object::player player	3080	cf::object::player
2196	cf::player peaceful	3081	player
2197	cf::map trigger	3082
		3083	cf::player
		3084	peaceful
		3085
		3086	cf::map
		3087	trigger
2198		3088
2199	=cut	3089	=cut
2200		3090
2201	for (	3091	for (
2202	["cf::object" => qw(contr pay_amount pay_player map)],	3092	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3093	insert remove inv nrof name archname title slaying race
		3094	decrease split destroy change_exp)],
2203	["cf::object::player" => qw(player)],	3095	["cf::object::player" => qw(player)],
2204	["cf::player" => qw(peaceful)],	3096	["cf::player" => qw(peaceful)],
2205	["cf::map" => qw(trigger)],	3097	["cf::map" => qw(trigger)],
2206	) {	3098	) {
2207	no strict 'refs';	3099	no strict 'refs';
…		…
2278	=back	3170	=back
2279		3171
2280	=cut	3172	=cut
2281		3173
2282	#############################################################################	3174	#############################################################################
2283
2284	=head2 EXTENSION DATABASE SUPPORT
2285
2286	Crossfire maintains a very simple database for extension use. It can
2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288	convert to/from binary).
2289
2290	The parameter C<$family> should best start with the name of the extension
2291	using it, it should be unique.
2292
2293	=over 4
2294
2295	=item $value = cf::db_get $family => $key
2296
2297	Returns a single value from the database.
2298
2299	=item cf::db_put $family => $key => $value
2300
2301	Stores the given C<$value> in the family.
2302
2303	=cut
2304
2305	our $DB;
2306
2307	sub db_init {
2308	unless ($DB) {
2309	$DB = BDB::db_create $DB_ENV;
2310
2311	cf::sync_job {
2312	eval {
2313	$DB->set_flags (BDB::CHKSUM);
2314
2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317	cf::cleanup "db_open(db): $!" if $!;
2318	};
2319	cf::cleanup "db_open(db): $@" if $@;
2320	};
2321	}
2322	}
2323
2324	sub db_get($$) {
2325	my $key = "$_[0]/$_[1]";
2326
2327	cf::sync_job {
2328	BDB::db_get $DB, undef, $key, my $data;
2329
2330	$! ? ()
2331	: $data
2332	}
2333	}
2334
2335	sub db_put($$$) {
2336	BDB::dbreq_pri 4;
2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338	}
2339
2340	=item cf::cache $id => [$paths...], $processversion => $process
2341
2342	Generic caching function that returns the value of the resource $id,
2343	caching and regenerating as required.
2344
2345	This function can block.
2346
2347	=cut
2348
2349	sub cache {
2350	my ($id, $src, $processversion, $process) = @_;
2351
2352	my $meta =
2353	join "\x00",
2354	$processversion,
2355	map {
2356	aio_stat $_
2357	and Carp::croak "$_: $!";
2358
2359	($_, (stat _)[7,9])
2360	} @$src;
2361
2362	my $dbmeta = db_get cache => "$id/meta";
2363	if ($dbmeta ne $meta) {
2364	# changed, we may need to process
2365
2366	my @data;
2367	my $md5;
2368
2369	for (0 .. $#$src) {
2370	0 <= aio_load $src->[$_], $data[$_]
2371	or Carp::croak "$src->[$_]: $!";
2372	}
2373
2374	# if processing is expensive, check
2375	# checksum first
2376	if (1) {
2377	$md5 =
2378	join "\x00",
2379	$processversion,
2380	map {
2381	Coro::cede;
2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
2383	} 0.. $#$src;
2384
2385
2386	my $dbmd5 = db_get cache => "$id/md5";
2387	if ($dbmd5 eq $md5) {
2388	db_put cache => "$id/meta", $meta;
2389
2390	return db_get cache => "$id/data";
2391	}
2392	}
2393
2394	my $t1 = Time::HiRes::time;
2395	my $data = $process->(\@data);
2396	my $t2 = Time::HiRes::time;
2397
2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400	db_put cache => "$id/data", $data;
2401	db_put cache => "$id/md5" , $md5;
2402	db_put cache => "$id/meta", $meta;
2403
2404	return $data;
2405	}
2406
2407	db_get cache => "$id/data"
2408	}
2409
2410	=item fork_call { }, $args
2411
2412	Executes the given code block with the given arguments in a seperate
2413	process, returning the results. Everything must be serialisable with
2414	Coro::Storable. May, of course, block. Note that the executed sub may
2415	never block itself or use any form of Event handling.
2416
2417	=cut
2418
2419	sub fork_call(&@) {
2420	my ($cb, @args) = @_;
2421
2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423	# or die "socketpair: $!";
2424	pipe my $fh1, my $fh2
2425	or die "pipe: $!";
2426
2427	if (my $pid = fork) {
2428	close $fh2;
2429
2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431	$res = Coro::Storable::thaw $res;
2432
2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435	die $$res unless "ARRAY" eq ref $res;
2436
2437	return wantarray ? @$res : $res->[-1];
2438	} else {
2439	local $SIG{__WARN__};
2440	eval {
2441	local $SIG{__DIE__};
2442	close $fh1;
2443
2444	my @res = eval { $cb->(@args) };
2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446	};
2447
2448	warn $@ if $@;
2449	_exit 0;
2450	}
2451	}
2452
2453
2454
2455	#############################################################################
2456	# the server's init and main functions	3175	# the server's init and main functions
2457		3176
2458	sub load_facedata($) {	3177	sub load_facedata($) {
2459	my ($path) = @_;	3178	my ($path) = @_;
		3179
		3180	# HACK to clear player env face cache, we need some signal framework
		3181	# for this (global event?)
		3182	%ext::player_env::MUSIC_FACE_CACHE = ();
		3183
		3184	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2460		3185
2461	warn "loading facedata from $path\n";	3186	warn "loading facedata from $path\n";
2462		3187
2463	my $facedata;	3188	my $facedata;
2464	0 < aio_load $path, $facedata	3189	0 < aio_load $path, $facedata
…		…
2467	$facedata = Coro::Storable::thaw $facedata;	3192	$facedata = Coro::Storable::thaw $facedata;
2468		3193
2469	$facedata->{version} == 2	3194	$facedata->{version} == 2
2470	or cf::cleanup "$path: version mismatch, cannot proceed.";	3195	or cf::cleanup "$path: version mismatch, cannot proceed.";
2471		3196
		3197	# patch in the exptable
		3198	$facedata->{resource}{"res/exp_table"} = {
		3199	type => FT_RSRC,
		3200	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3201	};
		3202	cf::cede_to_tick;
		3203
2472	{	3204	{
2473	my $faces = $facedata->{faceinfo};	3205	my $faces = $facedata->{faceinfo};
2474		3206
2475	while (my ($face, $info) = each %$faces) {	3207	while (my ($face, $info) = each %$faces) {
2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3208	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3209
2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3210	cf::face::set_visibility $idx, $info->{visibility};
		3211	cf::face::set_magicmap $idx, $info->{magicmap};
2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3212	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3213	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2480	Coro::cede;	3214
		3215	cf::cede_to_tick;
2481	}	3216	}
2482		3217
2483	while (my ($face, $info) = each %$faces) {	3218	while (my ($face, $info) = each %$faces) {
2484	next unless $info->{smooth};	3219	next unless $info->{smooth};
		3220
2485	my $idx = cf::face::find $face	3221	my $idx = cf::face::find $face
2486	or next;	3222	or next;
		3223
2487	if (my $smooth = cf::face::find $info->{smooth}) {	3224	if (my $smooth = cf::face::find $info->{smooth}) {
		3225	cf::face::set_smooth $idx, $smooth;
2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3226	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489	} else {	3227	} else {
2490	warn "smooth face '$info->{smooth}' not found for face '$face'";	3228	warn "smooth face '$info->{smooth}' not found for face '$face'";
2491	}	3229	}
2492	Coro::cede;	3230
		3231	cf::cede_to_tick;
2493	}	3232	}
2494	}	3233	}
2495		3234
2496	{	3235	{
2497	my $anims = $facedata->{animinfo};	3236	my $anims = $facedata->{animinfo};
2498		3237
2499	while (my ($anim, $info) = each %$anims) {	3238	while (my ($anim, $info) = each %$anims) {
2500	cf::anim::set $anim, $info->{frames}, $info->{facings};	3239	cf::anim::set $anim, $info->{frames}, $info->{facings};
2501	Coro::cede;	3240	cf::cede_to_tick;
2502	}	3241	}
2503		3242
2504	cf::anim::invalidate_all; # d'oh	3243	cf::anim::invalidate_all; # d'oh
2505	}	3244	}
2506		3245
		3246	{
		3247	# TODO: for gcfclient pleasure, we should give resources
		3248	# that gcfclient doesn't grok a >10000 face index.
		3249	my $res = $facedata->{resource};
		3250
		3251	while (my ($name, $info) = each %$res) {
		3252	if (defined $info->{type}) {
		3253	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3254	my $data;
		3255
		3256	if ($info->{type} & 1) {
		3257	# prepend meta info
		3258
		3259	my $meta = $enc->encode ({
		3260	name => $name,
		3261	%{ $info->{meta} || {} },
		3262	});
		3263
		3264	$data = pack "(w/a*)*", $meta, $info->{data};
		3265	} else {
		3266	$data = $info->{data};
		3267	}
		3268
		3269	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3270	cf::face::set_type $idx, $info->{type};
		3271	} else {
		3272	$RESOURCE{$name} = $info;
		3273	}
		3274
		3275	cf::cede_to_tick;
		3276	}
		3277	}
		3278
		3279	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3280
2507	1	3281	1
2508	}	3282	}
2509		3283
		3284	cf::global->attach (on_resource_update => sub {
		3285	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3286	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3287
		3288	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3289	my $sound = $soundconf->{compat}[$_]
		3290	or next;
		3291
		3292	my $face = cf::face::find "sound/$sound->[1]";
		3293	cf::sound::set $sound->[0] => $face;
		3294	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3295	}
		3296
		3297	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3298	my $face = cf::face::find "sound/$v";
		3299	cf::sound::set $k => $face;
		3300	}
		3301	}
		3302	});
		3303
		3304	register_exticmd fx_want => sub {
		3305	my ($ns, $want) = @_;
		3306
		3307	while (my ($k, $v) = each %$want) {
		3308	$ns->fx_want ($k, $v);
		3309	}
		3310	};
		3311
		3312	sub load_resource_file($) {
		3313	my $guard = lock_acquire "load_resource_file";
		3314
		3315	my $status = load_resource_file_ $_[0];
		3316	get_slot 0.1, 100;
		3317	cf::arch::commit_load;
		3318
		3319	$status
		3320	}
		3321
2510	sub reload_regions {	3322	sub reload_regions {
		3323	# HACK to clear player env face cache, we need some signal framework
		3324	# for this (global event?)
		3325	%ext::player_env::MUSIC_FACE_CACHE = ();
		3326
2511	load_resource_file "$MAPDIR/regions"	3327	load_resource_file "$MAPDIR/regions"
2512	or die "unable to load regions file\n";	3328	or die "unable to load regions file\n";
		3329
		3330	for (cf::region::list) {
		3331	$_->{match} = qr/$_->{match}/
		3332	if exists $_->{match};
		3333	}
2513	}	3334	}
2514		3335
2515	sub reload_facedata {	3336	sub reload_facedata {
2516	load_facedata "$DATADIR/facedata"	3337	load_facedata "$DATADIR/facedata"
2517	or die "unable to load facedata\n";	3338	or die "unable to load facedata\n";
…		…
2528	}	3349	}
2529		3350
2530	sub reload_resources {	3351	sub reload_resources {
2531	warn "reloading resource files...\n";	3352	warn "reloading resource files...\n";
2532		3353
2533	reload_regions;
2534	reload_facedata;	3354	reload_facedata;
2535	reload_archetypes;	3355	reload_archetypes;
		3356	reload_regions;
2536	reload_treasures;	3357	reload_treasures;
2537		3358
2538	warn "finished reloading resource files\n";	3359	warn "finished reloading resource files\n";
2539	}	3360	}
2540		3361
2541	sub init {	3362	sub reload_config {
2542	reload_resources;
2543	}
2544
2545	sub cfg_load {
2546	open my $fh, "<:utf8", "$CONFDIR/config"	3363	open my $fh, "<:utf8", "$CONFDIR/config"
2547	or return;	3364	or return;
2548		3365
2549	local $/;	3366	local $/;
2550	*CFG = YAML::Syck::Load <$fh>;	3367	*CFG = YAML::Load <$fh>;
2551		3368
2552	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3369	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2553		3370
2554	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3371	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2555	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3372	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2561	};	3378	};
2562	warn $@ if $@;	3379	warn $@ if $@;
2563	}	3380	}
2564	}	3381	}
2565		3382
		3383	sub pidfile() {
		3384	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3385	or die "$PIDFILE: $!";
		3386	flock $fh, &Fcntl::LOCK_EX
		3387	or die "$PIDFILE: flock: $!";
		3388	$fh
		3389	}
		3390
		3391	# make sure only one server instance is running at any one time
		3392	sub atomic {
		3393	my $fh = pidfile;
		3394
		3395	my $pid = <$fh>;
		3396	kill 9, $pid if $pid > 0;
		3397
		3398	seek $fh, 0, 0;
		3399	print $fh $$;
		3400	}
		3401
2566	sub main {	3402	sub main {
		3403	cf::init_globals; # initialise logging
		3404
		3405	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3406	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3407	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3408	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3409
		3410	cf::init_experience;
		3411	cf::init_anim;
		3412	cf::init_attackmess;
		3413	cf::init_dynamic;
		3414	cf::init_block;
		3415
		3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3417
2567	# we must not ever block the main coroutine	3418	# we must not ever block the main coroutine
2568	local $Coro::idle = sub {	3419	local $Coro::idle = sub {
2569	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3420	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2570	(async {	3421	(async {
2571	Event::one_event;	3422	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3423	EV::loop EV::LOOP_ONESHOT;
2572	})->prio (Coro::PRIO_MAX);	3424	})->prio (Coro::PRIO_MAX);
2573	};	3425	};
2574		3426
2575	cfg_load;	3427	evthread_start IO::AIO::poll_fileno;
		3428
		3429	cf::sync_job {
		3430	reload_resources;
		3431	reload_config;
2576	db_init;	3432	db_init;
		3433
		3434	cf::load_settings;
		3435	cf::load_materials;
		3436	cf::init_uuid;
		3437	cf::init_signals;
		3438	cf::init_commands;
		3439	cf::init_skills;
		3440
		3441	cf::init_beforeplay;
		3442
		3443	atomic;
		3444
2577	load_extensions;	3445	load_extensions;
2578		3446
2579	$TICK_WATCHER->start;	3447	utime time, time, $RUNTIMEFILE;
		3448
		3449	# no (long-running) fork's whatsoever before this point(!)
		3450	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3451
		3452	(pop @POST_INIT)->(0) while @POST_INIT;
		3453	};
		3454
2580	Event::loop;	3455	EV::loop;
2581	}	3456	}
2582		3457
2583	#############################################################################	3458	#############################################################################
2584	# initialisation and cleanup	3459	# initialisation and cleanup
2585		3460
2586	# install some emergency cleanup handlers	3461	# install some emergency cleanup handlers
2587	BEGIN {	3462	BEGIN {
		3463	our %SIGWATCHER = ();
2588	for my $signal (qw(INT HUP TERM)) {	3464	for my $signal (qw(INT HUP TERM)) {
2589	Event->signal (	3465	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2590	reentrant => 0,
2591	data => WF_AUTOCANCEL,
2592	signal => $signal,
2593	prio => 0,
2594	cb => sub {
2595	cf::cleanup "SIG$signal";	3466	cf::cleanup "SIG$signal";
2596	},
2597	);	3467	};
		3468	}
		3469	}
		3470
		3471	sub write_runtime_sync {
		3472	# first touch the runtime file to show we are still running:
		3473	# the fsync below can take a very very long time.
		3474
		3475	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3476
		3477	my $guard = cf::lock_acquire "write_runtime";
		3478
		3479	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3480	or return;
		3481
		3482	my $value = $cf::RUNTIME + 90 + 10;
		3483	# 10 is the runtime save interval, for a monotonic clock
		3484	# 60 allows for the watchdog to kill the server.
		3485
		3486	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3487	and return;
		3488
		3489	# always fsync - this file is important
		3490	aio_fsync $fh
		3491	and return;
		3492
		3493	# touch it again to show we are up-to-date
		3494	aio_utime $fh, undef, undef;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3500	and return;
		3501
		3502	warn "runtime file written.\n";
		3503
2598	}	3504	1
		3505	}
		3506
		3507	our $uuid_lock;
		3508	our $uuid_skip;
		3509
		3510	sub write_uuid_sync($) {
		3511	$uuid_skip ||= $_[0];
		3512
		3513	return if $uuid_lock;
		3514	local $uuid_lock = 1;
		3515
		3516	my $uuid = "$LOCALDIR/uuid";
		3517
		3518	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3519	or return;
		3520
		3521	my $value = uuid_seq uuid_cur;
		3522
		3523	if ($value < 1024) {
		3524	warn "cowardly refusing to write low uuid value ($value)!\n";
		3525	return;
		3526	}
		3527
		3528	my $value = uuid_str $value + $uuid_skip;
		3529	$uuid_skip = 0;
		3530
		3531	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3532	and return;
		3533
		3534	# always fsync - this file is important
		3535	aio_fsync $fh
		3536	and return;
		3537
		3538	close $fh
		3539	or return;
		3540
		3541	aio_rename "$uuid~", $uuid
		3542	and return;
		3543
		3544	warn "uuid file written ($value).\n";
		3545
		3546	1
		3547
		3548	}
		3549
		3550	sub write_uuid($$) {
		3551	my ($skip, $sync) = @_;
		3552
		3553	$sync ? write_uuid_sync $skip
		3554	: async { write_uuid_sync $skip };
2599	}	3555	}
2600		3556
2601	sub emergency_save() {	3557	sub emergency_save() {
2602	my $freeze_guard = cf::freeze_mainloop;	3558	my $freeze_guard = cf::freeze_mainloop;
2603		3559
…		…
2609	# and maps saved/destroyed asynchronously.	3565	# and maps saved/destroyed asynchronously.
2610	warn "begin emergency player save\n";	3566	warn "begin emergency player save\n";
2611	for my $login (keys %cf::PLAYER) {	3567	for my $login (keys %cf::PLAYER) {
2612	my $pl = $cf::PLAYER{$login} or next;	3568	my $pl = $cf::PLAYER{$login} or next;
2613	$pl->valid or next;	3569	$pl->valid or next;
		3570	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2614	$pl->save;	3571	$pl->save;
2615	}	3572	}
2616	warn "end emergency player save\n";	3573	warn "end emergency player save\n";
2617		3574
2618	warn "begin emergency map save\n";	3575	warn "begin emergency map save\n";
…		…
2624	warn "end emergency map save\n";	3581	warn "end emergency map save\n";
2625		3582
2626	warn "begin emergency database checkpoint\n";	3583	warn "begin emergency database checkpoint\n";
2627	BDB::db_env_txn_checkpoint $DB_ENV;	3584	BDB::db_env_txn_checkpoint $DB_ENV;
2628	warn "end emergency database checkpoint\n";	3585	warn "end emergency database checkpoint\n";
		3586
		3587	warn "begin write uuid\n";
		3588	write_uuid_sync 1;
		3589	warn "end write uuid\n";
2629	};	3590	};
2630		3591
2631	warn "leave emergency perl save\n";	3592	warn "leave emergency perl save\n";
2632	}	3593	}
2633		3594
2634	sub post_cleanup {	3595	sub post_cleanup {
2635	my ($make_core) = @_;	3596	my ($make_core) = @_;
2636		3597
2637	warn Carp::longmess "post_cleanup backtrace"	3598	warn Carp::longmess "post_cleanup backtrace"
2638	if $make_core;	3599	if $make_core;
		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		3603	}
		3604
		3605	# a safer delete_package, copied from Symbol
		3606	sub clear_package($) {
		3607	my $pkg = shift;
		3608
		3609	# expand to full symbol table name if needed
		3610	unless ($pkg =~ /^main::.*::$/) {
		3611	$pkg = "main$pkg" if $pkg =~ /^::/;
		3612	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3613	$pkg .= '::' unless $pkg =~ /::$/;
		3614	}
		3615
		3616	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3617	my $stem_symtab = *{$stem}{HASH};
		3618
		3619	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3620	or return;
		3621
		3622	# clear all symbols
		3623	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3624	for my $name (keys %$leaf_symtab) {
		3625	_gv_clear *{"$pkg$name"};
		3626	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3627	}
		3628	warn "cleared package $pkg\n";#d#
2639	}	3629	}
2640		3630
2641	sub do_reload_perl() {	3631	sub do_reload_perl() {
2642	# can/must only be called in main	3632	# can/must only be called in main
2643	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
2644	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
2645	return;	3635	return;
2646	}	3636	}
2647		3637
		3638	return if $RELOAD++;
		3639
		3640	while ($RELOAD) {
2648	warn "reloading...";	3641	warn "reloading...";
2649		3642
2650	warn "entering sync_job";	3643	warn "entering sync_job";
2651		3644
2652	cf::sync_job {	3645	cf::sync_job {
2653	cf::write_runtime; # external watchdog should not bark	3646	cf::write_runtime_sync; # external watchdog should not bark
2654	cf::emergency_save;	3647	cf::emergency_save;
2655	cf::write_runtime; # external watchdog should not bark	3648	cf::write_runtime_sync; # external watchdog should not bark
2656		3649
2657	warn "syncing database to disk";	3650	warn "syncing database to disk";
2658	BDB::db_env_txn_checkpoint $DB_ENV;	3651	BDB::db_env_txn_checkpoint $DB_ENV;
2659		3652
2660	# if anything goes wrong in here, we should simply crash as we already saved	3653	# if anything goes wrong in here, we should simply crash as we already saved
2661		3654
2662	warn "cancelling all WF_AUTOCANCEL watchers";
2663	for (Event::all_watchers) {
2664	$_->cancel if $_->data & WF_AUTOCANCEL;
2665	}
2666
2667	warn "flushing outstanding aio requests";	3655	warn "flushing outstanding aio requests";
2668	for (;;) {
2669	BDB::flush;
2670	IO::AIO::flush;
2671	Coro::cede;
2672	last unless IO::AIO::nreqs || BDB::nreqs;	3656	while (IO::AIO::nreqs || BDB::nreqs) {
2673	warn "iterate...";	3657	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2674	}
2675
2676	++$RELOAD;
2677
2678	warn "cancelling all extension coros";
2679	$_->cancel for values %EXT_CORO;
2680	%EXT_CORO = ();
2681
2682	warn "removing commands";
2683	%COMMAND = ();
2684
2685	warn "removing ext commands";
2686	%EXTCMD = ();
2687
2688	warn "unloading/nuking all extensions";
2689	for my $pkg (@EXTS) {
2690	warn "... unloading $pkg";
2691
2692	if (my $cb = $pkg->can ("unload")) {
2693	eval {
2694	$cb->($pkg);
2695	1
2696	} or warn "$pkg unloaded, but with errors: $@";
2697	}	3658	}
2698		3659
2699	warn "... nuking $pkg";	3660	warn "cancelling all extension coros";
2700	Symbol::delete_package $pkg;	3661	$_->cancel for values %EXT_CORO;
2701	}	3662	%EXT_CORO = ();
2702		3663
2703	warn "unloading all perl modules loaded from $LIBDIR";	3664	warn "removing commands";
2704	while (my ($k, $v) = each %INC) {	3665	%COMMAND = ();
2705	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2706		3666
		3667	warn "removing ext/exti commands";
		3668	%EXTCMD = ();
		3669	%EXTICMD = ();
		3670
		3671	warn "unloading/nuking all extensions";
		3672	for my $pkg (@EXTS) {
2707	warn "... unloading $k";	3673	warn "... unloading $pkg";
2708	delete $INC{$k};
2709		3674
2710	$k =~ s/\.pm$//;
2711	$k =~ s/\//::/g;
2712
2713	if (my $cb = $k->can ("unload_module")) {	3675	if (my $cb = $pkg->can ("unload")) {
		3676	eval {
2714	$cb->();	3677	$cb->($pkg);
		3678	1
		3679	} or warn "$pkg unloaded, but with errors: $@";
		3680	}
		3681
		3682	warn "... clearing $pkg";
		3683	clear_package $pkg;
2715	}	3684	}
2716		3685
2717	Symbol::delete_package $k;	3686	warn "unloading all perl modules loaded from $LIBDIR";
		3687	while (my ($k, $v) = each %INC) {
		3688	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3689
		3690	warn "... unloading $k";
		3691	delete $INC{$k};
		3692
		3693	$k =~ s/\.pm$//;
		3694	$k =~ s/\//::/g;
		3695
		3696	if (my $cb = $k->can ("unload_module")) {
		3697	$cb->();
		3698	}
		3699
		3700	clear_package $k;
2718	}	3701	}
2719		3702
2720	warn "getting rid of safe::, as good as possible";	3703	warn "getting rid of safe::, as good as possible";
2721	Symbol::delete_package "safe::$_"	3704	clear_package "safe::$_"
2722	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3705	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2723		3706
2724	warn "unloading cf.pm \"a bit\"";	3707	warn "unloading cf.pm \"a bit\"";
2725	delete $INC{"cf.pm"};	3708	delete $INC{"cf.pm"};
2726	delete $INC{"cf/pod.pm"};	3709	delete $INC{"cf/pod.pm"};
2727		3710
2728	# don't, removes xs symbols, too,	3711	# don't, removes xs symbols, too,
2729	# and global variables created in xs	3712	# and global variables created in xs
2730	#Symbol::delete_package __PACKAGE__;	3713	#clear_package __PACKAGE__;
2731		3714
2732	warn "unload completed, starting to reload now";	3715	warn "unload completed, starting to reload now";
2733		3716
2734	warn "reloading cf.pm";	3717	warn "reloading cf.pm";
2735	require cf;	3718	require cf;
2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3719	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2737		3720
2738	warn "loading config and database again";	3721	warn "loading config and database again";
2739	cf::cfg_load;	3722	cf::reload_config;
2740		3723
2741	warn "loading extensions";	3724	warn "loading extensions";
2742	cf::load_extensions;	3725	cf::load_extensions;
2743		3726
2744	warn "reattaching attachments to objects/players";	3727	warn "reattaching attachments to objects/players";
2745	_global_reattach; # objects, sockets	3728	_global_reattach; # objects, sockets
2746	warn "reattaching attachments to maps";	3729	warn "reattaching attachments to maps";
2747	reattach $_ for values %MAP;	3730	reattach $_ for values %MAP;
2748	warn "reattaching attachments to players";	3731	warn "reattaching attachments to players";
2749	reattach $_ for values %PLAYER;	3732	reattach $_ for values %PLAYER;
2750		3733
		3734	warn "running post_load";
		3735	(pop @POST_INIT)->(1) while @POST_INIT;
		3736
2751	warn "leaving sync_job";	3737	warn "leaving sync_job";
2752		3738
2753	1	3739	1
2754	} or do {	3740	} or do {
2755	warn $@;	3741	warn $@;
2756	warn "error while reloading, exiting.";	3742	cf::cleanup "error while reloading, exiting.";
2757	exit 1;
2758	};	3743	};
2759		3744
2760	warn "reloaded";	3745	warn "reloaded";
		3746	--$RELOAD;
		3747	}
2761	};	3748	};
2762		3749
2763	our $RELOAD_WATCHER; # used only during reload	3750	our $RELOAD_WATCHER; # used only during reload
2764		3751
2765	sub reload_perl() {	3752	sub reload_perl() {
2766	# doing reload synchronously and two reloads happen back-to-back,	3753	# doing reload synchronously and two reloads happen back-to-back,
2767	# coro crashes during coro_state_free->destroy here.	3754	# coro crashes during coro_state_free->destroy here.
2768		3755
2769	$RELOAD_WATCHER ||= Event->timer (	3756	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
2770	reentrant => 0,
2771	after => 0,
2772	data => WF_AUTOCANCEL,
2773	cb => sub {
2774	do_reload_perl;	3757	do_reload_perl;
2775	undef $RELOAD_WATCHER;	3758	undef $RELOAD_WATCHER;
2776	},
2777	);	3759	};
2778	}	3760	}
2779		3761
2780	register_command "reload" => sub {	3762	register_command "reload" => sub {
2781	my ($who, $arg) = @_;	3763	my ($who, $arg) = @_;
2782		3764
2783	if ($who->flag (FLAG_WIZ)) {	3765	if ($who->flag (FLAG_WIZ)) {
2784	$who->message ("reloading server.");	3766	$who->message ("reloading server.");
		3767	async {
		3768	$Coro::current->{desc} = "perl_reload";
2785	async { reload_perl };	3769	reload_perl;
		3770	};
2786	}	3771	}
2787	};	3772	};
2788		3773
2789	unshift @INC, $LIBDIR;	3774	unshift @INC, $LIBDIR;
2790		3775
…		…
2792		3777
2793	our @WAIT_FOR_TICK;	3778	our @WAIT_FOR_TICK;
2794	our @WAIT_FOR_TICK_BEGIN;	3779	our @WAIT_FOR_TICK_BEGIN;
2795		3780
2796	sub wait_for_tick {	3781	sub wait_for_tick {
2797	return unless $TICK_WATCHER->is_active;
2798	return if $Coro::current == $Coro::main;	3782	return if tick_inhibit || $Coro::current == $Coro::main;
2799		3783
2800	my $signal = new Coro::Signal;	3784	my $signal = new Coro::Signal;
2801	push @WAIT_FOR_TICK, $signal;	3785	push @WAIT_FOR_TICK, $signal;
2802	$signal->wait;	3786	$signal->wait;
2803	}	3787	}
2804		3788
2805	sub wait_for_tick_begin {	3789	sub wait_for_tick_begin {
2806	return unless $TICK_WATCHER->is_active;
2807	return if $Coro::current == $Coro::main;	3790	return if tick_inhibit || $Coro::current == $Coro::main;
2808		3791
2809	my $signal = new Coro::Signal;	3792	my $signal = new Coro::Signal;
2810	push @WAIT_FOR_TICK_BEGIN, $signal;	3793	push @WAIT_FOR_TICK_BEGIN, $signal;
2811	$signal->wait;	3794	$signal->wait;
2812	}	3795	}
2813		3796
2814	$TICK_WATCHER = Event->timer (	3797	sub tick {
2815	reentrant => 0,
2816	parked => 1,
2817	prio => 0,
2818	at => $NEXT_TICK || $TICK,
2819	data => WF_AUTOCANCEL,
2820	cb => sub {
2821	if ($Coro::current != $Coro::main) {	3798	if ($Coro::current != $Coro::main) {
2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3799	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823	unless ++$bug_warning > 10;	3800	unless ++$bug_warning > 10;
2824	return;	3801	return;
2825	}	3802	}
2826		3803
2827	$NOW = Event::time;
2828
2829	cf::server_tick; # one server iteration	3804	cf::server_tick; # one server iteration
2830		3805
2831	$RUNTIME += $TICK;
2832	$NEXT_TICK += $TICK;
2833
2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3806	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835	$NEXT_RUNTIME_WRITE = $NOW + 10;	3807	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2836	Coro::async_pool {	3808	Coro::async_pool {
		3809	$Coro::current->{desc} = "runtime saver";
2837	write_runtime	3810	write_runtime_sync
2838	or warn "ERROR: unable to write runtime file: $!";	3811	or warn "ERROR: unable to write runtime file: $!";
2839	};
2840	}	3812	};
		3813	}
2841		3814
2842	# my $AFTER = Event::time;
2843	# warn $AFTER - $NOW;#d#
2844
2845	# if we are delayed by four ticks or more, skip them all
2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2847
2848	$TICK_WATCHER->at ($NEXT_TICK);
2849	$TICK_WATCHER->start;
2850
2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3815	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852	$sig->send;	3816	$sig->send;
2853	}	3817	}
2854	while (my $sig = shift @WAIT_FOR_TICK) {	3818	while (my $sig = shift @WAIT_FOR_TICK) {
2855	$sig->send;	3819	$sig->send;
2856	}
2857
2858	_post_tick;
2859	},	3820	}
2860	);	3821
		3822	$LOAD = ($NOW - $TICK_START) / $TICK;
		3823	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3824
		3825	if (0) {
		3826	if ($NEXT_TICK) {
		3827	my $jitter = $TICK_START - $NEXT_TICK;
		3828	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3829	warn "jitter $JITTER\n";#d#
		3830	}
		3831	}
		3832	}
2861		3833
2862	{	3834	{
2863	BDB::max_poll_time $TICK * 0.1;	3835	# configure BDB
2864	$BDB_POLL_WATCHER = Event->io (	3836
2865	reentrant => 0,
2866	fd => BDB::poll_fileno,
2867	poll => 'r',
2868	prio => 0,
2869	data => WF_AUTOCANCEL,
2870	cb => \&BDB::poll_cb,
2871	);
2872	BDB::min_parallel 8;	3837	BDB::min_parallel 8;
2873		3838	BDB::max_poll_reqs $TICK * 0.1;
2874	BDB::set_sync_prepare {	3839	$AnyEvent::BDB::WATCHER->priority (1);
2875	my $status;
2876	my $current = $Coro::current;
2877	(
2878	sub {
2879	$status = $!;
2880	$current->ready; undef $current;
2881	},
2882	sub {
2883	Coro::schedule while defined $current;
2884	$! = $status;
2885	},
2886	)
2887	};
2888		3840
2889	unless ($DB_ENV) {	3841	unless ($DB_ENV) {
2890	$DB_ENV = BDB::db_env_create;	3842	$DB_ENV = BDB::db_env_create;
		3843	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3844	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3845	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3846	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3847	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2891		3848
2892	cf::sync_job {	3849	cf::sync_job {
2893	eval {	3850	eval {
2894	BDB::db_env_open	3851	BDB::db_env_open
2895	$DB_ENV,	3852	$DB_ENV,
…		…
2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3854	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3855	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899	0666;	3856	0666;
2900		3857
2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3858	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902
2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2904	$DB_ENV->set_lk_detect;
2905	};	3859	};
2906		3860
2907	cf::cleanup "db_env_open(db): $@" if $@;	3861	cf::cleanup "db_env_open(db): $@" if $@;
2908	};	3862	};
2909	}	3863	}
		3864
		3865	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3866	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3867	};
		3868	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3869	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3870	};
		3871	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3872	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3873	};
2910	}	3874	}
2911		3875
2912	{	3876	{
		3877	# configure IO::AIO
		3878
2913	IO::AIO::min_parallel 8;	3879	IO::AIO::min_parallel 8;
2914
2915	undef $Coro::AIO::WATCHER;
2916	IO::AIO::max_poll_time $TICK * 0.1;	3880	IO::AIO::max_poll_time $TICK * 0.1;
2917	$AIO_POLL_WATCHER = Event->io (	3881	undef $AnyEvent::AIO::WATCHER;
2918	reentrant => 0,	3882	}
2919	data => WF_AUTOCANCEL,	3883
2920	fd => IO::AIO::poll_fileno,	3884	my $_log_backtrace;
2921	poll => 'r',	3885
2922	prio => 6,	3886	sub _log_backtrace {
2923	cb => \&IO::AIO::poll_cb,	3887	my ($msg, @addr) = @_;
2924	);	3888
		3889	$msg =~ s/\n//;
		3890
		3891	# limit the # of concurrent backtraces
		3892	if ($_log_backtrace < 2) {
		3893	++$_log_backtrace;
		3894	my $perl_bt = Carp::longmess $msg;
		3895	async {
		3896	$Coro::current->{desc} = "abt $msg";
		3897
		3898	my @bt = fork_call {
		3899	@addr = map { sprintf "%x", $_ } @addr;
		3900	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3901	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3902	or die "addr2line: $!";
		3903
		3904	my @funcs;
		3905	my @res = <$fh>;
		3906	chomp for @res;
		3907	while (@res) {
		3908	my ($func, $line) = splice @res, 0, 2, ();
		3909	push @funcs, "[$func] $line";
		3910	}
		3911
		3912	@funcs
		3913	};
		3914
		3915	LOG llevInfo, "[ABT] $perl_bt\n";
		3916	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3917	LOG llevInfo, "[ABT] $_\n" for @bt;
		3918	--$_log_backtrace;
		3919	};
		3920	} else {
		3921	LOG llevInfo, "[ABT] $msg\n";
		3922	LOG llevInfo, "[ABT] [suppressed]\n";
		3923	}
2925	}	3924	}
2926		3925
2927	# load additional modules	3926	# load additional modules
2928	use cf::pod;	3927	use cf::pod;
2929		3928

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