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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.260 by root, Fri Apr 27 19:53:05 2007 UTC vs.
Revision 1.456 by root, Tue Sep 30 04:00:35 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
		51	use JSON::XS 2.01 ();
25	use BDB ();	52	use BDB ();
26	use Data::Dumper;	53	use Data::Dumper;
27	use Digest::MD5;	54	use Digest::MD5;
28	use Fcntl;	55	use Fcntl;
29	use YAML::Syck ();	56	use YAML ();
30	use IO::AIO 2.32 ();	57	use IO::AIO ();
31	use Time::HiRes;	58	use Time::HiRes;
32	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
33		63
34	# configure various modules to our taste	64	# configure various modules to our taste
35	#	65	#
36	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		74
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		76
49	our %COMMAND = ();	77	our %COMMAND = ();
50	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
51		79
52	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
56		85
57	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	87	our @EVENT;
59		88
60	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	90	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
71		104
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	107	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	113	our $DB_ENV;
82		114
83	our %CFG;	115	our %CFG;
84		116
85	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
87		120
88	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
91		124
92	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		127
		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 {
…		…
163	$msg .= "\n"	219	$msg .= "\n"
164	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
165		221
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
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 "$filename.pst";
806	}	1189	}
807		1190
808	aio_rename "$filename~", $filename;	1191	aio_rename "$filename~", $filename;
		1192
		1193	$filename =~ s%/[^/]+$%%;
		1194	aio_pathsync $filename;
809	} else {	1195	} else {
810	warn "FATAL: $filename~: $!\n";	1196	warn "FATAL: $filename~: $!\n";
811	}	1197	}
812	} else {	1198	} else {
813	aio_unlink $filename;	1199	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1200	aio_unlink "$filename.pst";
815	}	1201	}
816	}	1202	};
817	}	1203	}
818		1204
819	sub object_freezer_as_string {	1205	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1206	my ($rdata, $objs) = @_;
821		1207
…		…
833	or return;	1219	or return;
834		1220
835	unless (aio_stat "$filename.pst") {	1221	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1222	(aio_load "$filename.pst", $av) >= 0
837	or return;	1223	or return;
		1224
838	$av = eval { (Storable::thaw $av)->{objs} };	1225	my $st = eval { Coro::Storable::thaw $av };
		1226	$av = $st->{objs};
839	}	1227	}
840		1228
		1229	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1230	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1231	$decname, length $data, scalar @{$av || []};
		1232
843	return ($data, $av);	1233	($data, $av)
844	}	1234	}
		1235
		1236	=head2 COMMAND CALLBACKS
		1237
		1238	=over 4
		1239
		1240	=cut
845		1241
846	#############################################################################	1242	#############################################################################
847	# command handling &c	1243	# command handling &c
848		1244
849	=item cf::register_command $name => \&callback($ob,$args);	1245	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1258	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1259	}
864		1260
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1261	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1262
867	Register a callbackf ro execution when the client sends an extcmd packet.	1263	Register a callback for execution when the client sends an (synchronous)
		1264	extcmd packet. Ext commands will be processed in the order they are
		1265	received by the server, like other user commands. The first argument is
		1266	the logged-in player. Ext commands can only be processed after a player
		1267	has logged in successfully.
868		1268
869	If the callback returns something, it is sent back as if reply was being	1269	If the callback returns something, it is sent back as if reply was being
870	called.	1270	called.
871		1271
		1272	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1273
		1274	Register a callback for execution when the client sends an (asynchronous)
		1275	exticmd packet. Exti commands are processed by the server as soon as they
		1276	are received, i.e. out of order w.r.t. other commands. The first argument
		1277	is a client socket. Exti commands can be received anytime, even before
		1278	log-in.
		1279
		1280	If the callback returns something, it is sent back as if reply was being
		1281	called.
		1282
872	=cut	1283	=cut
873		1284
874	sub register_extcmd {	1285	sub register_extcmd {
875	my ($name, $cb) = @_;	1286	my ($name, $cb) = @_;
876		1287
877	$EXTCMD{$name} = $cb;	1288	$EXTCMD{$name} = $cb;
		1289	}
		1290
		1291	sub register_exticmd {
		1292	my ($name, $cb) = @_;
		1293
		1294	$EXTICMD{$name} = $cb;
878	}	1295	}
879		1296
880	cf::player->attach (	1297	cf::player->attach (
881	on_command => sub {	1298	on_command => sub {
882	my ($pl, $name, $params) = @_;	1299	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1308	cf::override;
892	},	1309	},
893	on_extcmd => sub {	1310	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1311	my ($pl, $buf) = @_;
895		1312
896	my $msg = eval { from_json $buf };	1313	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1314
898	if (ref $msg) {	1315	if (ref $msg) {
		1316	my ($type, $reply, @payload) =
		1317	"ARRAY" eq ref $msg
		1318	? @$msg
		1319	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1320
		1321	my @reply;
		1322
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1323	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1324	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1325	}
		1326
		1327	$pl->ext_reply ($reply, @reply)
		1328	if $reply;
		1329
904	} else {	1330	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1331	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1332	}
907		1333
908	cf::override;	1334	cf::override;
909	},	1335	},
910	);	1336	);
911		1337
912	sub load_extension {
913	my ($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 {	1338	sub load_extensions {
		1339	cf::sync_job {
		1340	my %todo;
		1341
947	for my $ext (<$LIBDIR/*.ext>) {	1342	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1343	next unless -r $path;
949	eval {	1344
950	load_extension $ext;	1345	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1346	my $base = $1;
		1347	my $pkg = $1;
		1348	$pkg =~ s/[^[:word:]]/_/g;
		1349	$pkg = "ext::$pkg";
		1350
		1351	open my $fh, "<:utf8", $path
		1352	or die "$path: $!";
		1353
		1354	my $source = do { local $/; <$fh> };
		1355
		1356	my %ext = (
		1357	path => $path,
		1358	base => $base,
		1359	pkg => $pkg,
		1360	);
		1361
		1362	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1363	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1364
		1365	$ext{source} =
		1366	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1367	. "#line 1 \"$path\"\n{\n"
		1368	. $source
		1369	. "\n};\n1";
		1370
		1371	$todo{$base} = \%ext;
		1372	}
		1373
		1374	my %done;
		1375	while (%todo) {
		1376	my $progress;
		1377
		1378	while (my ($k, $v) = each %todo) {
		1379	for (split /,\s*/, $v->{meta}{depends}) {
		1380	goto skip
		1381	unless exists $done{$_};
		1382	}
		1383
		1384	warn "... loading '$k' into '$v->{pkg}'\n";
		1385
		1386	unless (eval $v->{source}) {
		1387	my $msg = $@ ? "$v->{path}: $@\n"
		1388	: "$v->{base}: extension inactive.\n";
		1389
		1390	if (exists $v->{meta}{mandatory}) {
		1391	warn $msg;
		1392	cf::cleanup "mandatory extension failed to load, exiting.";
		1393	}
		1394
		1395	warn $msg;
		1396	}
		1397
		1398	$done{$k} = delete $todo{$k};
		1399	push @EXTS, $v->{pkg};
		1400	$progress = 1;
951	1	1401	}
952	} or warn "$ext not loaded: $@";	1402
		1403	skip:
		1404	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1405	unless $progress;
		1406	}
953	}	1407	};
954	}	1408	}
955		1409
956	#############################################################################	1410	#############################################################################
957		1411
		1412	=back
		1413
958	=head2 CORE EXTENSIONS	1414	=head2 CORE EXTENSIONS
959		1415
960	Functions and methods that extend core crossfire objects.	1416	Functions and methods that extend core deliantra objects.
961		1417
962	=cut	1418	=cut
963		1419
964	package cf::player;	1420	package cf::player;
965		1421
966	use Coro::AIO;	1422	use Coro::AIO;
967		1423
968	=head3 cf::player	1424	=head3 cf::player
969		1425
970	=over 4	1426	=over 4
		1427
		1428	=item cf::player::num_playing
		1429
		1430	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1431
		1432	=cut
		1433
		1434	sub num_playing {
		1435	scalar grep
		1436	$_->ob->map
		1437	&& !$_->hidden
		1438	&& !$_->ob->flag (cf::FLAG_WIZ),
		1439	cf::player::list
		1440	}
971		1441
972	=item cf::player::find $login	1442	=item cf::player::find $login
973		1443
974	Returns the given player object, loading it if necessary (might block).	1444	Returns the given player object, loading it if necessary (might block).
975		1445
…		…
994		1464
995	sub exists($) {	1465	sub exists($) {
996	my ($login) = @_;	1466	my ($login) = @_;
997		1467
998	$cf::PLAYER{$login}	1468	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1469	or !aio_stat path $login
1000	}	1470	}
1001		1471
1002	sub find($) {	1472	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1473	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1474	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1481	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1482	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1483	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1484	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1485
1016	my $pl = load_pl path $login	1486	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1487	or return;
		1488
		1489	my $pl = cf::player::load_pl $f
		1490	or return;
		1491
		1492	local $cf::PLAYER_LOADING{$login} = $pl;
		1493	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1494	$cf::PLAYER{$login} = $pl
1019	}	1495	}
1020	}	1496	}
1021	}	1497	}
1022		1498
…		…
1031	return if $pl->{deny_save};	1507	return if $pl->{deny_save};
1032		1508
1033	aio_mkdir playerdir $pl, 0770;	1509	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1510	$pl->{last_save} = $cf::RUNTIME;
1035		1511
		1512	cf::get_slot 0.01;
		1513
1036	$pl->save_pl ($path);	1514	$pl->save_pl ($path);
1037	Coro::cede;	1515	cf::cede_to_tick;
1038	}	1516	}
1039		1517
1040	sub new($) {	1518	sub new($) {
1041	my ($login) = @_;	1519	my ($login) = @_;
1042		1520
…		…
1048	$cf::PLAYER{$login} = $self;	1526	$cf::PLAYER{$login} = $self;
1049		1527
1050	$self	1528	$self
1051	}	1529	}
1052		1530
		1531	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1532
		1533	=cut
		1534
		1535	sub send_msg {
		1536	my $ns = shift->ns
		1537	or return;
		1538	$ns->send_msg (@_);
		1539	}
		1540
1053	=item $pl->quit_character	1541	=item $pl->quit_character
1054		1542
1055	Nukes the player without looking back. If logged in, the connection will	1543	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1544	be destroyed. May block for a long time.
1057		1545
…		…
1061	my ($pl) = @_;	1549	my ($pl) = @_;
1062		1550
1063	my $name = $pl->ob->name;	1551	my $name = $pl->ob->name;
1064		1552
1065	$pl->{deny_save} = 1;	1553	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1554	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1555
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1556	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1557	$pl->deactivate;
		1558	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1559	$pl->ob->check_score;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1560	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1561	$pl->ns->destroy if $pl->ns;
1072		1562
1073	my $path = playerdir $pl;	1563	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1564	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1600	or return [];
1111		1601
1112	my @logins;	1602	my @logins;
1113		1603
1114	for my $login (@$dirs) {	1604	for my $login (@$dirs) {
		1605	my $path = path $login;
		1606
		1607	# a .pst is a dead give-away for a valid player
		1608	# if no pst file found, open and chekc for blocked users
		1609	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1610	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1611	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1612	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1613	}
1118		1614
1119	utf8::decode $login;	1615	utf8::decode $login;
1120	push @logins, $login;	1616	push @logins, $login;
1121	}	1617	}
1122		1618
…		…
1149	}	1645	}
1150		1646
1151	\@paths	1647	\@paths
1152	}	1648	}
1153		1649
		1650	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1651
		1652	Expand deliantra pod fragments into protocol xml.
		1653
1154	=item $player->ext_reply ($msgid, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1155		1655
1156	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1157		1657
1158	=cut	1658	=cut
1159		1659
1160	sub ext_reply($$%) {	1660	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1162		1662
1163	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1664	}
1167		1665
1168	=item $player->ext_event ($type, %msg)	1666	=item $player->ext_msg ($type, @msg)
1169		1667
1170	Sends an ext event to the client.	1668	Sends an ext event to the client.
1171		1669
1172	=cut	1670	=cut
1173		1671
1174	sub ext_event($$%) {	1672	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1673	my ($self, $type, @msg) = @_;
1176		1674
1177	$self->ns->ext_event ($type, %msg);	1675	$self->ns->ext_msg ($type, @msg);
1178	}	1676	}
1179		1677
1180	=head3 cf::region	1678	=head3 cf::region
1181		1679
1182	=over 4	1680	=over 4
…		…
1185		1683
1186	package cf::region;	1684	package cf::region;
1187		1685
1188	=item cf::region::find_by_path $path	1686	=item cf::region::find_by_path $path
1189		1687
1190	Tries to decuce the probable region for a map knowing only its path.	1688	Tries to decuce the likely region for a map knowing only its path.
1191		1689
1192	=cut	1690	=cut
1193		1691
1194	sub find_by_path($) {	1692	sub find_by_path($) {
1195	my ($path) = @_;	1693	my ($path) = @_;
1196		1694
1197	my ($match, $specificity);	1695	my ($match, $specificity);
1198		1696
1199	for my $region (list) {	1697	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1698	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1699	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1700	if $region->specificity > $specificity;
1203	}	1701	}
1204	}	1702	}
1205		1703
…		…
1226	our $MAX_RESET = 3600;	1724	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1725	our $DEFAULT_RESET = 3000;
1228		1726
1229	sub generate_random_map {	1727	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1728	my ($self, $rmp) = @_;
		1729
		1730	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1731
1231	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1733	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1269	my ($self, $merge) = @_;	1770	my ($self, $merge) = @_;
1270		1771
1271	# we have to keep some variables in memory intact	1772	# we have to keep some variables in memory intact
1272	local $self->{path};	1773	local $self->{path};
1273	local $self->{load_path};	1774	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1775
1277	$self->SUPER::thawer_merge ($merge);	1776	$self->SUPER::thawer_merge ($merge);
1278	}	1777	}
1279		1778
1280	sub normalise {	1779	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1328	return $self;	1827	return $self;
1329	}	1828	}
1330	}	1829	}
1331		1830
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1832	()
1334	}	1833	}
1335		1834
1336	sub init {	1835	sub init {
1337	my ($self) = @_;	1836	my ($self) = @_;
…		…
1359		1858
1360	# the temporary/swap location	1859	# the temporary/swap location
1361	sub save_path {	1860	sub save_path {
1362	my ($self) = @_;	1861	my ($self) = @_;
1363		1862
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1864	"$TMPDIR/$path.map"
1366	}	1865	}
1367		1866
1368	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1369	sub uniq_path {	1868	sub uniq_path {
1370	my ($self) = @_;	1869	my ($self) = @_;
1371		1870
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1872	"$UNIQUEDIR/$path"
1374	}	1873	}
1375		1874
1376	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1377	# all maps in C++...	1876	# all maps in C++...
…		…
1380		1879
1381	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1383	}	1882	}
1384		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1385	sub unlink_save {	1892	sub unlink_save {
1386	my ($self) = @_;	1893	my ($self) = @_;
1387		1894
1388	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1899
1393	sub load_header_from($) {	1900	sub load_header_from($) {
1394	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1395		1902
1396	utf8::encode $path;	1903	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1905	or return;
		1906
		1907	$self->_load_header ($f)
		1908	or return;
		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
1402		1912
1403	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1404		1914
1405	1	1915	1
1406	}	1916	}
…		…
1445	$self->load_header_orig	1955	$self->load_header_orig
1446	or return;	1956	or return;
1447	$self->prepare_orig;	1957	$self->prepare_orig;
1448	}	1958	}
1449		1959
		1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
		1962
1450	$self->default_region (cf::region::find_by_path $self->{path})	1963	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1964	unless $self->default_region;
1452		1965
1453	1	1966	1
1454	}	1967	}
…		…
1457	sub find {	1970	sub find {
1458	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1459		1972
1460	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1461		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1463		1977
1464	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
		1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1465	my $guard = cf::lock_acquire "map_find:$path";	1980	my $guard2 = cf::lock_acquire "map_find:$path";
		1981
1466	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1467	or return;	1983	or return;
1468		1984
1469	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1470		1986
1471	$map->load_header	1987	$map->load_header
1472	or return;	1988	or return;
1473		1989
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard2;
		1994	undef $guard1;
1477	$map->reset;	1995	$map->reset;
1478	undef $guard;
1479	return find $path;	1996	return find $path;
1480	}	1997	}
1481		1998
1482	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1483	}	2000	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1493		2010
1494	my $path = $self->{path};	2011	my $path = $self->{path};
1495		2012
1496	{	2013	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1498		2015
		2016	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		2018
1501	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1502		2020
1503	$self->alloc;	2021	$self->alloc;
1504		2022
1505	$self->pre_load;	2023	$self->pre_load;
1506	Coro::cede;	2024	cf::cede_to_tick;
1507		2025
		2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	2028	$self->_load_objects ($f)
1509	or return;	2029	or return;
1510		2030
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->post_load_original
1512	if delete $self->{load_original};	2032	if delete $self->{load_original};
1513		2033
1514	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2035	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2038	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1519	}	2042	}
1520	}	2043	}
1521		2044
1522	Coro::cede;	2045	$f->resolve_delayed_derefs;
		2046
		2047	cf::cede_to_tick;
1523	# now do the right thing for maps	2048	# now do the right thing for maps
1524	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2051	unless $self->difficulty;
1527	Coro::cede;	2052	cf::cede_to_tick;
1528		2053
1529	unless ($self->{deny_activate}) {	2054	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2055	$self->decay_objects;
1531	$self->fix_auto_apply;	2056	$self->fix_auto_apply;
1532	$self->update_buttons;	2057	$self->update_buttons;
1533	Coro::cede;	2058	cf::cede_to_tick;
1534	$self->set_darkness_map;	2059	$self->set_darkness_map;
1535	Coro::cede;	2060	cf::cede_to_tick;
1536	$self->activate;	2061	$self->activate;
1537	}	2062	}
1538		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2067	$self->in_memory (cf::MAP_ACTIVE);
1540	}	2068	}
1541		2069
1542	$self->post_load;	2070	$self->post_load;
1543	}	2071	}
1544		2072
…		…
1546	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1547		2075
1548	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2077	if $self->per_player;
1550		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1551	$self	2082	$self
1552	}	2083	}
1553		2084
1554	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	2086	sub load_neighbours {
1556	my ($map) = @_;	2087	my ($map) = @_;
1557		2088
1558	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1559		2090
1560	for (0 .. 3) {	2091	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1562	or next;	2093	or next;
1563	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1564	or next;	2095	or next;
1565	$neigh->load;	2096	$neigh->load;
1566		2097
		2098	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2101	}
1570		2102
1571	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1573	or next;	2106	or next;
1574	$neigh->load;	2107	$neigh->load;
1575	}	2108	}
1576	}	2109	}
1577		2110
…		…
1582	}	2115	}
1583		2116
1584	sub do_load_sync {	2117	sub do_load_sync {
1585	my ($map) = @_;	2118	my ($map) = @_;
1586		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1587	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1588	}	2124	}
1589		2125
1590	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1592		2128
1593	sub find_async {	2129	sub find_async {
1594	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1595		2131
1596	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1597		2133
1598	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600	}	2136	}
1601		2137
1602	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1603	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1604	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2145	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2146	$map->load if $v;
		2147	}
1609		2148
1610	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1611	}	2150	}
1612	}	2151	}
1613	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1614	};	2153	};
1615	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1618	}	2157	}
1619		2158
1620	sub save {	2159	sub save {
1621	my ($self) = @_;	2160	my ($self) = @_;
1622		2161
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1624		2163
1625	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1626		2165
1627	return unless $self->dirty;	2166	return unless $self->dirty;
1628		2167
…		…
1634	return if $self->{deny_save};	2173	return if $self->{deny_save};
1635		2174
1636	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1637		2176
1638	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1640	};	2180	};
		2181
		2182	cf::get_slot 0.02;
1641		2183
1642	if ($uniq) {	2184	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2185	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2186	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1645	} else {	2187	} else {
…		…
1651	my ($self) = @_;	2193	my ($self) = @_;
1652		2194
1653	# save first because save cedes	2195	# save first because save cedes
1654	$self->save;	2196	$self->save;
1655		2197
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2198	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2199
1658	return if $self->players;	2200	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;	2201	return if $self->in_memory != cf::MAP_ACTIVE;
1660	return if $self->{deny_save};	2202	return if $self->{deny_save};
1661		2203
		2204	$self->in_memory (cf::MAP_SWAPPED);
		2205
		2206	$self->deactivate;
		2207	$_->clear_links_to ($self) for values %cf::MAP;
1662	$self->clear;	2208	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2209	}
1665		2210
1666	sub reset_at {	2211	sub reset_at {
1667	my ($self) = @_;	2212	my ($self) = @_;
1668		2213
1669	# TODO: safety, remove and allow resettable per-player maps	2214	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2215	return 1e99 if $self->{deny_reset};
1672		2216
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2217	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2218	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2219
…		…
1686	my ($self) = @_;	2230	my ($self) = @_;
1687		2231
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2232	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2233
1690	return if $self->players;	2234	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2235
1693	warn "resetting map ", $self->path;#d#	2236	warn "resetting map ", $self->path;
1694		2237
1695	$self->in_memory (cf::MAP_SWAPPED);	2238	$self->in_memory (cf::MAP_SWAPPED);
1696		2239
1697	# need to save uniques path	2240	# need to save uniques path
1698	unless ($self->{deny_save}) {	2241	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2245	if $uniq;
1703	}	2246	}
1704		2247
1705	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1706		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2252	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2253
1711	$self->unlink_save;	2254	$self->unlink_save;
1712	$self->destroy;	2255	$self->destroy;
1713	}	2256	}
1714		2257
1715	my $nuke_counter = "aaaa";	2258	my $nuke_counter = "aaaa";
1716		2259
1717	sub nuke {	2260	sub nuke {
1718	my ($self) = @_;	2261	my ($self) = @_;
1719		2262
		2263	{
		2264	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2265
1720	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1721		2267
1722	$self->unlink_save;	2268	$self->unlink_save;
1723		2269
1724	bless $self, "cf::map";	2270	bless $self, "cf::map";
1725	delete $self->{deny_reset};	2271	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2272	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2273	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2274	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2275
1730	$cf::MAP{$self->path} = $self;	2276	$cf::MAP{$self->path} = $self;
		2277	}
1731		2278
1732	$self->reset; # polite request, might not happen	2279	$self->reset; # polite request, might not happen
		2280	}
		2281
		2282	=item $maps = cf::map::tmp_maps
		2283
		2284	Returns an arrayref with all map paths of currently instantiated and saved
		2285	maps. May block.
		2286
		2287	=cut
		2288
		2289	sub tmp_maps() {
		2290	[
		2291	map {
		2292	utf8::decode $_;
		2293	/\.map$/
		2294	? normalise $_
		2295	: ()
		2296	} @{ aio_readdir $TMPDIR or [] }
		2297	]
		2298	}
		2299
		2300	=item $maps = cf::map::random_maps
		2301
		2302	Returns an arrayref with all map paths of currently instantiated and saved
		2303	random maps. May block.
		2304
		2305	=cut
		2306
		2307	sub random_maps() {
		2308	[
		2309	map {
		2310	utf8::decode $_;
		2311	/\.map$/
		2312	? normalise "?random/$_"
		2313	: ()
		2314	} @{ aio_readdir $RANDOMDIR or [] }
		2315	]
1733	}	2316	}
1734		2317
1735	=item cf::map::unique_maps	2318	=item cf::map::unique_maps
1736		2319
1737	Returns an arrayref of paths of all shared maps that have	2320	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2321	instantiated unique items. May block.
1739		2322
1740	=cut	2323	=cut
1741		2324
1742	sub unique_maps() {	2325	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2326	[
1744	or return;	2327	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2328	utf8::decode $_;
1750	next if /\.pst$/;	2329	s/\.map$//; # TODO future compatibility hack
1751	next unless /^$PATH_SEP/o;	2330	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752		2331	? ()
1753	push @paths, cf::map::normalise $_;	2332	: normalise $_
		2333	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2334	]
1755
1756	\@paths
1757	}	2335	}
1758
1759	package cf;
1760		2336
1761	=back	2337	=back
1762		2338
1763	=head3 cf::object	2339	=head3 cf::object
1764		2340
…		…
1768		2344
1769	=over 4	2345	=over 4
1770		2346
1771	=item $ob->inv_recursive	2347	=item $ob->inv_recursive
1772		2348
1773	Returns the inventory of the object _and_ their inventories, recursively.	2349	Returns the inventory of the object I<and> their inventories, recursively,
		2350	but I<not> the object itself.
1774		2351
1775	=cut	2352	=cut
1776		2353
1777	sub inv_recursive_;	2354	sub inv_recursive_;
1778	sub inv_recursive_ {	2355	sub inv_recursive_ {
…		…
1781		2358
1782	sub inv_recursive {	2359	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2360	inv_recursive_ inv $_[0]
1784	}	2361	}
1785		2362
		2363	=item $ref = $ob->ref
		2364
		2365	Creates and returns a persistent reference to an object that can be stored as a string.
		2366
		2367	=item $ob = cf::object::deref ($refstring)
		2368
		2369	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2370	even if the object actually exists. May block.
		2371
		2372	=cut
		2373
		2374	sub deref {
		2375	my ($ref) = @_;
		2376
		2377	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2378	my ($uuid, $name) = ($1, $2);
		2379	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2380	or return;
		2381	$pl->ob->uuid eq $uuid
		2382	or return;
		2383
		2384	$pl->ob
		2385	} else {
		2386	warn "$ref: cannot resolve object reference\n";
		2387	undef
		2388	}
		2389	}
		2390
1786	package cf;	2391	package cf;
1787		2392
1788	=back	2393	=back
1789		2394
1790	=head3 cf::object::player	2395	=head3 cf::object::player
…		…
1796	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2401	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797	can be C<undef>. Does the right thing when the player is currently in a	2402	can be C<undef>. Does the right thing when the player is currently in a
1798	dialogue with the given NPC character.	2403	dialogue with the given NPC character.
1799		2404
1800	=cut	2405	=cut
		2406
		2407	our $SAY_CHANNEL = {
		2408	id => "say",
		2409	title => "Map",
		2410	reply => "say ",
		2411	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2412	};
		2413
		2414	our $CHAT_CHANNEL = {
		2415	id => "chat",
		2416	title => "Chat",
		2417	reply => "chat ",
		2418	tooltip => "Player chat and shouts, global to the server.",
		2419	};
1801		2420
1802	# rough implementation of a future "reply" method that works	2421	# rough implementation of a future "reply" method that works
1803	# with dialog boxes.	2422	# with dialog boxes.
1804	#TODO: the first argument must go, split into a $npc->reply_to ( method	2423	#TODO: the first argument must go, split into a $npc->reply_to ( method
1805	sub cf::object::player::reply($$$;$) {	2424	sub cf::object::player::reply($$$;$) {
…		…
1807		2426
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2427	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2428
1810	if ($self->{record_replies}) {	2429	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2430	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2431
1812	} else {	2432	} else {
		2433	my $pl = $self->contr;
		2434
		2435	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2436	my $dialog = $pl->{npc_dialog};
		2437	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2438
		2439	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2440	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2441	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2442	}
1815	}	2443	}
		2444	}
		2445
		2446	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2447
		2448	=cut
		2449
		2450	sub cf::object::send_msg {
		2451	my $pl = shift->contr
		2452	or return;
		2453	$pl->send_msg (@_);
1816	}	2454	}
1817		2455
1818	=item $player_object->may ("access")	2456	=item $player_object->may ("access")
1819		2457
1820	Returns wether the given player is authorized to access resource "access"	2458	Returns wether the given player is authorized to access resource "access"
…		…
1833		2471
1834	=item $player_object->enter_link	2472	=item $player_object->enter_link
1835		2473
1836	Freezes the player and moves him/her to a special map (C<{link}>).	2474	Freezes the player and moves him/her to a special map (C<{link}>).
1837		2475
1838	The player should be reasonably safe there for short amounts of time. You	2476	The player should be reasonably safe there for short amounts of time (e.g.
1839	I<MUST> call C<leave_link> as soon as possible, though.	2477	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2478	though, as the palyer cannot control the character while it is on the link
		2479	map.
1840		2480
1841	Will never block.	2481	Will never block.
1842		2482
1843	=item $player_object->leave_link ($map, $x, $y)	2483	=item $player_object->leave_link ($map, $x, $y)
1844		2484
…		…
1867	$self->deactivate_recursive;	2507	$self->deactivate_recursive;
1868		2508
1869	return if UNIVERSAL::isa $self->map, "ext::map_link";	2509	return if UNIVERSAL::isa $self->map, "ext::map_link";
1870		2510
1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872	if $self->map;	2512	if $self->map && $self->map->{path} ne "{link}";
1873		2513
1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2514	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1875	}	2515	}
1876		2516
1877	sub cf::object::player::leave_link {	2517	sub cf::object::player::leave_link {
1878	my ($self, $map, $x, $y) = @_;	2518	my ($self, $map, $x, $y) = @_;
		2519
		2520	return unless $self->contr->active;
1879		2521
1880	my $link_pos = delete $self->{_link_pos};	2522	my $link_pos = delete $self->{_link_pos};
1881		2523
1882	unless ($map) {	2524	unless ($map) {
1883	# restore original map position	2525	# restore original map position
…		…
1897	# use -1 or undef as default coordinates, not 0, 0	2539	# use -1 or undef as default coordinates, not 0, 0
1898	($x, $y) = ($map->enter_x, $map->enter_y)	2540	($x, $y) = ($map->enter_x, $map->enter_y)
1899	if $x <=0 && $y <= 0;	2541	if $x <=0 && $y <= 0;
1900		2542
1901	$map->load;	2543	$map->load;
1902	$map->load_diag;	2544	$map->load_neighbours;
1903		2545
1904	return unless $self->contr->active;	2546	return unless $self->contr->active;
		2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1905	$self->activate_recursive;	2548	$self->activate_recursive;
1906		2549
1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908	$self->enter_map ($map, $x, $y);	2551	$self->enter_map ($map, $x, $y);
1909	}	2552	}
1910		2553
1911	cf::player->attach (	2554	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1912	on_logout => sub {
1913	my ($pl) = @_;
1914		2555
1915	# abort map switching before logout	2556	Moves the player to the given map-path and coordinates by first freezing
1916	if ($pl->ob->{_link_pos}) {	2557	her, loading and preparing them map, calling the provided $check callback
1917	cf::sync_job {	2558	that has to return the map if sucecssful, and then unfreezes the player on
1918	$pl->ob->leave_link	2559	the new (success) or old (failed) map position. In either case, $done will
1919	};	2560	be called at the end of this process.
1920	}
1921	},
1922	on_login => sub {
1923	my ($pl) = @_;
1924		2561
1925	# try to abort aborted map switching on player login :)	2562	Note that $check will be called with a potentially non-loaded map, so if
1926	# should happen only on crashes	2563	it needs a loaded map it has to call C<< ->load >>.
1927	if ($pl->ob->{_link_pos}) {
1928	$pl->ob->enter_link;
1929	(async {
1930	$pl->ob->reply (undef,
1931	"There was an internal problem at your last logout, "
1932	. "the server will try to bring you to your intended destination in a second.",
1933	cf::NDI_RED);
1934	# we need this sleep as the login has a concurrent enter_exit running
1935	# and this sleep increases chances of the player not ending up in scorn
1936	Coro::Timer::sleep 1;
1937	$pl->ob->leave_link;
1938	})->prio (2);
1939	}
1940	},
1941	);
1942		2564
1943	=item $player_object->goto ($path, $x, $y)
1944
1945	=cut	2565	=cut
		2566
		2567	our $GOTOGEN;
1946		2568
1947	sub cf::object::player::goto {	2569	sub cf::object::player::goto {
1948	my ($self, $path, $x, $y) = @_;	2570	my ($self, $path, $x, $y, $check, $done) = @_;
		2571
		2572	# do generation counting so two concurrent goto's will be executed in-order
		2573	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949		2574
1950	$self->enter_link;	2575	$self->enter_link;
1951		2576
1952	(async {	2577	(async {
		2578	$Coro::current->{desc} = "player::goto $path $x $y";
		2579
		2580	# *tag paths override both path and x|y
		2581	if ($path =~ /^\*(.*)$/) {
		2582	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2583	my $ob = $obs[rand @obs];
		2584
		2585	# see if we actually can go there
		2586	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2587	$ob = $obs[rand @obs];
		2588	} else {
		2589	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	}
		2591	# else put us there anyways for now #d#
		2592
		2593	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2594	} else {
		2595	($path, $x, $y) = (undef, undef, undef);
		2596	}
		2597	}
		2598
1953	my $map = eval {	2599	my $map = eval {
1954	my $map = cf::map::find $path;	2600	my $map = defined $path ? cf::map::find $path : undef;
		2601
		2602	if ($map) {
1955	$map = $map->customise_for ($self) if $map;	2603	$map = $map->customise_for ($self);
		2604	$map = $check->($map) if $check && $map;
		2605	} else {
		2606	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608
1956	$map	2609	$map
		2610	};
		2611
		2612	if ($@) {
		2613	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2614	LOG llevError | logBacktrace, Carp::longmess $@;
1957	} or	2615	}
1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959		2616
		2617	if ($gen == $self->{_goto_generation}) {
		2618	delete $self->{_goto_generation};
1960	$self->leave_link ($map, $x, $y);	2619	$self->leave_link ($map, $x, $y);
		2620	}
		2621
		2622	$done->() if $done;
1961	})->prio (1);	2623	})->prio (1);
1962	}	2624	}
1963		2625
1964	=item $player_object->enter_exit ($exit_object)	2626	=item $player_object->enter_exit ($exit_object)
1965		2627
…		…
1985	}	2647	}
1986		2648
1987	sub prepare_random_map {	2649	sub prepare_random_map {
1988	my ($exit) = @_;	2650	my ($exit) = @_;
1989		2651
1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992	# all this does is basically replace the /! path by	2652	# all this does is basically replace the /! path by
1993	# a new random map path (?random/...) with a seed	2653	# a new random map path (?random/...) with a seed
1994	# that depends on the exit object	2654	# that depends on the exit object
1995		2655
1996	my $rmp = parse_random_map_params $exit->msg;	2656	my $rmp = parse_random_map_params $exit->msg;
…		…
1998	if ($exit->map) {	2658	if ($exit->map) {
1999	$rmp->{region} = $exit->region->name;	2659	$rmp->{region} = $exit->region->name;
2000	$rmp->{origin_map} = $exit->map->path;	2660	$rmp->{origin_map} = $exit->map->path;
2001	$rmp->{origin_x} = $exit->x;	2661	$rmp->{origin_x} = $exit->x;
2002	$rmp->{origin_y} = $exit->y;	2662	$rmp->{origin_y} = $exit->y;
		2663
		2664	$exit->map->touch;
2003	}	2665	}
2004		2666
2005	$rmp->{random_seed} ||= $exit->random_seed;	2667	$rmp->{random_seed} ||= $exit->random_seed;
2006		2668
2007	my $data = cf::to_json $rmp;	2669	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008	my $md5 = Digest::MD5::md5_hex $data;	2670	my $md5 = Digest::MD5::md5_hex $data;
2009	my $meta = "$RANDOMDIR/$md5.meta";	2671	my $meta = "$RANDOMDIR/$md5.meta";
2010		2672
2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2673	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012	aio_write $fh, 0, (length $data), $data, 0;	2674	aio_write $fh, 0, (length $data), $data, 0;
2013	undef $fh;	2675	undef $fh;
2014	aio_rename "$meta~", $meta;	2676	aio_rename "$meta~", $meta;
2015		2677
		2678	my $slaying = "?random/$md5";
		2679
		2680	if ($exit->valid) {
2016	$exit->slaying ("?random/$md5");	2681	$exit->slaying ("?random/$md5");
2017	$exit->msg (undef);	2682	$exit->msg (undef);
		2683	}
2018	}	2684	}
2019	}	2685	}
2020		2686
2021	sub cf::object::player::enter_exit {	2687	sub cf::object::player::enter_exit {
2022	my ($self, $exit) = @_;	2688	my ($self, $exit) = @_;
2023		2689
2024	return unless $self->type == cf::PLAYER;	2690	return unless $self->type == cf::PLAYER;
2025		2691
2026	if ($exit->slaying eq "/!") {
2027	#TODO: this should de-fi-ni-te-ly not be a sync-job
2028	# the problem is that $exit might not survive long enough
2029	# so it needs to be done right now, right here
2030	cf::sync_job { prepare_random_map $exit };
2031	}
2032
2033	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2034	my $hp = $exit->stats->hp;
2035	my $sp = $exit->stats->sp;
2036
2037	$self->enter_link;	2692	$self->enter_link;
2038		2693
2039	(async {	2694	(async {
2040	$self->deactivate_recursive; # just to be sure	2695	$Coro::current->{desc} = "enter_exit";
		2696
2041	unless (eval {	2697	unless (eval {
		2698	$self->deactivate_recursive; # just to be sure
		2699
		2700	# random map handling
		2701	{
		2702	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2703
		2704	prepare_random_map $exit
		2705	if $exit->slaying eq "/!";
		2706	}
		2707
		2708	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2709	my $x = $exit->stats->hp;
		2710	my $y = $exit->stats->sp;
		2711
2042	$self->goto ($slaying, $hp, $sp);	2712	$self->goto ($map, $x, $y);
2043		2713
		2714	# if exit is damned, update players death & WoR home-position
		2715	$self->contr->savebed ($map, $x, $y)
		2716	if $exit->flag (cf::FLAG_DAMNED);
		2717
2044	1;	2718	1
2045	}) {	2719	}) {
2046	$self->message ("Something went wrong deep within the crossfire server. "	2720	$self->message ("Something went wrong deep within the deliantra server. "
2047	. "I'll try to bring you back to the map you were before. "	2721	. "I'll try to bring you back to the map you were before. "
2048	. "Please report this to the dungeon master!",	2722	. "Please report this to the dungeon master!",
2049	cf::NDI_UNIQUE | cf::NDI_RED);	2723	cf::NDI_UNIQUE | cf::NDI_RED);
2050		2724
2051	warn "ERROR in enter_exit: $@";	2725	warn "ERROR in enter_exit: $@";
…		…
2070		2744
2071	utf8::encode $text;	2745	utf8::encode $text;
2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2746	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073	}	2747	}
2074		2748
		2749	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2750
		2751	Send a drawinfo or msg packet to the client, formatting the msg for the
		2752	client if neccessary. C<$type> should be a string identifying the type of
		2753	the message, with C<log> being the default. If C<$color> is negative, suppress
		2754	the message unless the client supports the msg packet.
		2755
		2756	=cut
		2757
		2758	# non-persistent channels (usually the info channel)
		2759	our %CHANNEL = (
		2760	"c/identify" => {
		2761	id => "infobox",
		2762	title => "Identify",
		2763	reply => undef,
		2764	tooltip => "Items recently identified",
		2765	},
		2766	"c/examine" => {
		2767	id => "infobox",
		2768	title => "Examine",
		2769	reply => undef,
		2770	tooltip => "Signs and other items you examined",
		2771	},
		2772	"c/book" => {
		2773	id => "infobox",
		2774	title => "Book",
		2775	reply => undef,
		2776	tooltip => "The contents of a note or book",
		2777	},
		2778	"c/lookat" => {
		2779	id => "infobox",
		2780	title => "Look",
		2781	reply => undef,
		2782	tooltip => "What you saw there",
		2783	},
		2784	"c/who" => {
		2785	id => "infobox",
		2786	title => "Players",
		2787	reply => undef,
		2788	tooltip => "Shows players who are currently online",
		2789	},
		2790	"c/body" => {
		2791	id => "infobox",
		2792	title => "Body Parts",
		2793	reply => undef,
		2794	tooltip => "Shows which body parts you posess and are available",
		2795	},
		2796	"c/skills" => {
		2797	id => "infobox",
		2798	title => "Skills",
		2799	reply => undef,
		2800	tooltip => "Shows your experience per skill and item power",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	);
		2821
		2822	sub cf::client::send_msg {
		2823	my ($self, $channel, $msg, $color, @extra) = @_;
		2824
		2825	$msg = $self->pl->expand_cfpod ($msg)
		2826	unless $color & cf::NDI_VERBATIM;
		2827
		2828	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2829
		2830	# check predefined channels, for the benefit of C
		2831	if ($CHANNEL{$channel}) {
		2832	$channel = $CHANNEL{$channel};
		2833
		2834	$self->ext_msg (channel_info => $channel)
		2835	if $self->can_msg;
		2836
		2837	$channel = $channel->{id};
		2838
		2839	} elsif (ref $channel) {
		2840	# send meta info to client, if not yet sent
		2841	unless (exists $self->{channel}{$channel->{id}}) {
		2842	$self->{channel}{$channel->{id}} = $channel;
		2843	$self->ext_msg (channel_info => $channel)
		2844	if $self->can_msg;
		2845	}
		2846
		2847	$channel = $channel->{id};
		2848	}
		2849
		2850	return unless @extra || length $msg;
		2851
		2852	if ($self->can_msg) {
		2853	# default colour, mask it out
		2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2855	if $color & cf::NDI_DEF;
		2856
		2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
		2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2860	);
		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
		2873	} else {
		2874	if ($color >= 0) {
		2875	# replace some tags by gcfclient-compatible ones
		2876	for ($msg) {
		2877	1 while
		2878	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2879	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2880	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2881	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2882	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2883	}
		2884
		2885	$color &= cf::NDI_COLOR_MASK;
		2886
		2887	utf8::encode $msg;
		2888
		2889	if (0 && $msg =~ /\[/) {
		2890	# COMMAND/INFO
		2891	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2892	} else {
		2893	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2894	$self->send_packet ("drawinfo $color $msg")
		2895	}
		2896	}
		2897	}
		2898	}
		2899
2075	=item $client->ext_event ($type, %msg)	2900	=item $client->ext_msg ($type, @msg)
2076		2901
2077	Sends an exti event to the client.	2902	Sends an ext event to the client.
2078		2903
2079	=cut	2904	=cut
2080		2905
2081	sub cf::client::ext_event($$%) {	2906	sub cf::client::ext_msg($$@) {
2082	my ($self, $type, %msg) = @_;	2907	my ($self, $type, @msg) = @_;
2083		2908
		2909	if ($self->extcmd == 2) {
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2911	} elsif ($self->extcmd == 1) { # TODO: remove
2084	$msg{msgtype} = "event_$type";	2912	push @msg, msgtype => "event_$type";
2085	$self->send_packet ("ext " . cf::to_json \%msg);	2913	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2914	}
		2915	}
		2916
		2917	=item $client->ext_reply ($msgid, @msg)
		2918
		2919	Sends an ext reply to the client.
		2920
		2921	=cut
		2922
		2923	sub cf::client::ext_reply($$@) {
		2924	my ($self, $id, @msg) = @_;
		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2928	} elsif ($self->extcmd == 1) {
		2929	#TODO: version 1, remove
		2930	unshift @msg, msgtype => "reply", msgid => $id;
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
2086	}	2933	}
2087		2934
2088	=item $success = $client->query ($flags, "text", \&cb)	2935	=item $success = $client->query ($flags, "text", \&cb)
2089		2936
2090	Queues a query to the client, calling the given callback with	2937	Queues a query to the client, calling the given callback with
2091	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2938	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2092	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2939	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093		2940
2094	Queries can fail, so check the return code. Or don't, as queries will become	2941	Queries can fail, so check the return code. Or don't, as queries will
2095	reliable at some point in the future.	2942	become reliable at some point in the future.
2096		2943
2097	=cut	2944	=cut
2098		2945
2099	sub cf::client::query {	2946	sub cf::client::query {
2100	my ($self, $flags, $text, $cb) = @_;	2947	my ($self, $flags, $text, $cb) = @_;
…		…
2108	utf8::encode $text;	2955	utf8::encode $text;
2109	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2956	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110		2957
2111	$self->send_packet ($self->{query_queue}[0][0])	2958	$self->send_packet ($self->{query_queue}[0][0])
2112	if @{ $self->{query_queue} } == 1;	2959	if @{ $self->{query_queue} } == 1;
		2960
		2961	1
2113	}	2962	}
2114		2963
2115	cf::client->attach (	2964	cf::client->attach (
		2965	on_connect => sub {
		2966	my ($ns) = @_;
		2967
		2968	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2969	},
2116	on_reply => sub {	2970	on_reply => sub {
2117	my ($ns, $msg) = @_;	2971	my ($ns, $msg) = @_;
2118		2972
2119	# this weird shuffling is so that direct followup queries	2973	# this weird shuffling is so that direct followup queries
2120	# get handled first	2974	# get handled first
…		…
2132	} else {	2986	} else {
2133	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2987	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134	}	2988	}
2135	}	2989	}
2136	},	2990	},
		2991	on_exticmd => sub {
		2992	my ($ns, $buf) = @_;
		2993
		2994	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2995
		2996	if (ref $msg) {
		2997	my ($type, $reply, @payload) =
		2998	"ARRAY" eq ref $msg
		2999	? @$msg
		3000	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3001
		3002	my @reply;
		3003
		3004	if (my $cb = $EXTICMD{$type}) {
		3005	@reply = $cb->($ns, @payload);
		3006	}
		3007
		3008	$ns->ext_reply ($reply, @reply)
		3009	if $reply;
		3010
		3011	} else {
		3012	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3013	}
		3014
		3015	cf::override;
		3016	},
2137	);	3017	);
2138		3018
2139	=item $client->async (\&cb)	3019	=item $client->async (\&cb)
2140		3020
2141	Create a new coroutine, running the specified callback. The coroutine will	3021	Create a new coroutine, running the specified callback. The coroutine will
…		…
2182	our $safe = new Safe "safe";	3062	our $safe = new Safe "safe";
2183	our $safe_hole = new Safe::Hole;	3063	our $safe_hole = new Safe::Hole;
2184		3064
2185	$SIG{FPE} = 'IGNORE';	3065	$SIG{FPE} = 'IGNORE';
2186		3066
2187	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3067	$safe->permit_only (Opcode::opset qw(
		3068	:base_core :base_mem :base_orig :base_math
		3069	grepstart grepwhile mapstart mapwhile
		3070	sort time
		3071	));
2188		3072
2189	# here we export the classes and methods available to script code	3073	# here we export the classes and methods available to script code
2190		3074
2191	=pod	3075	=pod
2192		3076
2193	The following functions and methods are available within a safe environment:	3077	The following functions and methods are available within a safe environment:
2194		3078
2195	cf::object contr pay_amount pay_player map	3079	cf::object
		3080	contr pay_amount pay_player map x y force_find force_add destroy
		3081	insert remove name archname title slaying race decrease split
		3082
2196	cf::object::player player	3083	cf::object::player
2197	cf::player peaceful	3084	player
2198	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2199		3091
2200	=cut	3092	=cut
2201		3093
2202	for (	3094	for (
2203	["cf::object" => qw(contr pay_amount pay_player map)],	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp)],
2204	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2205	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful)],
2206	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2207	) {	3101	) {
2208	no strict 'refs';	3102	no strict 'refs';
…		…
2279	=back	3173	=back
2280		3174
2281	=cut	3175	=cut
2282		3176
2283	#############################################################################	3177	#############################################################################
2284
2285	=head2 EXTENSION DATABASE SUPPORT
2286
2287	Crossfire maintains a very simple database for extension use. It can
2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289	convert to/from binary).
2290
2291	The parameter C<$family> should best start with the name of the extension
2292	using it, it should be unique.
2293
2294	=over 4
2295
2296	=item $value = cf::db_get $family => $key
2297
2298	Returns a single value from the database.
2299
2300	=item cf::db_put $family => $key => $value
2301
2302	Stores the given C<$value> in the family.
2303
2304	=cut
2305
2306	our $DB;
2307
2308	sub db_init {
2309	unless ($DB) {
2310	$DB = BDB::db_create $DB_ENV;
2311
2312	cf::sync_job {
2313	eval {
2314	$DB->set_flags (BDB::CHKSUM);
2315
2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318	cf::cleanup "db_open(db): $!" if $!;
2319	};
2320	cf::cleanup "db_open(db): $@" if $@;
2321	};
2322	}
2323	}
2324
2325	sub db_get($$) {
2326	my $key = "$_[0]/$_[1]";
2327
2328	cf::sync_job {
2329	BDB::db_get $DB, undef, $key, my $data;
2330
2331	$! ? ()
2332	: $data
2333	}
2334	}
2335
2336	sub db_put($$$) {
2337	BDB::dbreq_pri 4;
2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339	}
2340
2341	=item cf::cache $id => [$paths...], $processversion => $process
2342
2343	Generic caching function that returns the value of the resource $id,
2344	caching and regenerating as required.
2345
2346	This function can block.
2347
2348	=cut
2349
2350	sub cache {
2351	my ($id, $src, $processversion, $process) = @_;
2352
2353	my $meta =
2354	join "\x00",
2355	$processversion,
2356	map {
2357	aio_stat $_
2358	and Carp::croak "$_: $!";
2359
2360	($_, (stat _)[7,9])
2361	} @$src;
2362
2363	my $dbmeta = db_get cache => "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we may need to process
2366
2367	my @data;
2368	my $md5;
2369
2370	for (0 .. $#$src) {
2371	0 <= aio_load $src->[$_], $data[$_]
2372	or Carp::croak "$src->[$_]: $!";
2373	}
2374
2375	# if processing is expensive, check
2376	# checksum first
2377	if (1) {
2378	$md5 =
2379	join "\x00",
2380	$processversion,
2381	map {
2382	Coro::cede;
2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
2384	} 0.. $#$src;
2385
2386
2387	my $dbmd5 = db_get cache => "$id/md5";
2388	if ($dbmd5 eq $md5) {
2389	db_put cache => "$id/meta", $meta;
2390
2391	return db_get cache => "$id/data";
2392	}
2393	}
2394
2395	my $t1 = Time::HiRes::time;
2396	my $data = $process->(\@data);
2397	my $t2 = Time::HiRes::time;
2398
2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401	db_put cache => "$id/data", $data;
2402	db_put cache => "$id/md5" , $md5;
2403	db_put cache => "$id/meta", $meta;
2404
2405	return $data;
2406	}
2407
2408	db_get cache => "$id/data"
2409	}
2410
2411	=item fork_call { }, $args
2412
2413	Executes the given code block with the given arguments in a seperate
2414	process, returning the results. Everything must be serialisable with
2415	Coro::Storable. May, of course, block. Note that the executed sub may
2416	never block itself or use any form of Event handling.
2417
2418	=cut
2419
2420	sub fork_call(&@) {
2421	my ($cb, @args) = @_;
2422
2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424	# or die "socketpair: $!";
2425	pipe my $fh1, my $fh2
2426	or die "pipe: $!";
2427
2428	if (my $pid = fork) {
2429	close $fh2;
2430
2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432	$res = Coro::Storable::thaw $res;
2433
2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436	die $$res unless "ARRAY" eq ref $res;
2437
2438	return wantarray ? @$res : $res->[-1];
2439	} else {
2440	local $SIG{__WARN__};
2441	eval {
2442	local $SIG{__DIE__};
2443	close $fh1;
2444
2445	my @res = eval { $cb->(@args) };
2446	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2447	};
2448
2449	warn $@ if $@;
2450	_exit 0;
2451	}
2452	}
2453
2454
2455
2456	#############################################################################
2457	# the server's init and main functions	3178	# the server's init and main functions
2458		3179
2459	sub load_facedata($) {	3180	sub load_facedata($) {
2460	my ($path) = @_;	3181	my ($path) = @_;
		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2461		3188
2462	warn "loading facedata from $path\n";	3189	warn "loading facedata from $path\n";
2463		3190
2464	my $facedata;	3191	my $facedata;
2465	0 < aio_load $path, $facedata	3192	0 < aio_load $path, $facedata
…		…
2468	$facedata = Coro::Storable::thaw $facedata;	3195	$facedata = Coro::Storable::thaw $facedata;
2469		3196
2470	$facedata->{version} == 2	3197	$facedata->{version} == 2
2471	or cf::cleanup "$path: version mismatch, cannot proceed.";	3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2472		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
2473	{	3207	{
2474	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
2475		3209
2476	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2477	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
2478	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3213	cf::face::set_visibility $idx, $info->{visibility};
		3214	cf::face::set_magicmap $idx, $info->{magicmap};
2479	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2480	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2481	Coro::cede;	3217
		3218	cf::cede_to_tick;
2482	}	3219	}
2483		3220
2484	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2485	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2486	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2487	or next;	3225	or next;
		3226
2488	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
2489	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2490	} else {	3230	} else {
2491	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
2492	}	3232	}
2493	Coro::cede;	3233
		3234	cf::cede_to_tick;
2494	}	3235	}
2495	}	3236	}
2496		3237
2497	{	3238	{
2498	my $anims = $facedata->{animinfo};	3239	my $anims = $facedata->{animinfo};
2499		3240
2500	while (my ($anim, $info) = each %$anims) {	3241	while (my ($anim, $info) = each %$anims) {
2501	cf::anim::set $anim, $info->{frames}, $info->{facings};	3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
2502	Coro::cede;	3243	cf::cede_to_tick;
2503	}	3244	}
2504		3245
2505	cf::anim::invalidate_all; # d'oh	3246	cf::anim::invalidate_all; # d'oh
2506	}	3247	}
2507		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
2508	1	3284	1
2509	}	3285	}
2510		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
2511	sub reload_regions {	3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
2512	load_resource_file "$MAPDIR/regions"	3330	load_resource_file "$MAPDIR/regions"
2513	or die "unable to load regions file\n";	3331	or die "unable to load regions file\n";
		3332
		3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
2514	}	3337	}
2515		3338
2516	sub reload_facedata {	3339	sub reload_facedata {
2517	load_facedata "$DATADIR/facedata"	3340	load_facedata "$DATADIR/facedata"
2518	or die "unable to load facedata\n";	3341	or die "unable to load facedata\n";
…		…
2529	}	3352	}
2530		3353
2531	sub reload_resources {	3354	sub reload_resources {
2532	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
2533		3356
2534	reload_regions;
2535	reload_facedata;	3357	reload_facedata;
2536	reload_archetypes;	3358	reload_archetypes;
		3359	reload_regions;
2537	reload_treasures;	3360	reload_treasures;
2538		3361
2539	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
2540	}	3363	}
2541		3364
2542	sub init {	3365	sub reload_config {
2543	reload_resources;
2544	}
2545
2546	sub cfg_load {
2547	open my $fh, "<:utf8", "$CONFDIR/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2548	or return;	3367	or return;
2549		3368
2550	local $/;	3369	local $/;
2551	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2552		3371
2553	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2554		3373
2555	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2556	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2562	};	3381	};
2563	warn $@ if $@;	3382	warn $@ if $@;
2564	}	3383	}
2565	}	3384	}
2566		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2567	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417	cf::init_block;
		3418
		3419	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3420
2568	# we must not ever block the main coroutine	3421	# we must not ever block the main coroutine
2569	local $Coro::idle = sub {	3422	local $Coro::idle = sub {
2570	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3423	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2571	(async {	3424	(async {
2572	Event::one_event;	3425	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3426	EV::loop EV::LOOP_ONESHOT;
2573	})->prio (Coro::PRIO_MAX);	3427	})->prio (Coro::PRIO_MAX);
2574	};	3428	};
2575		3429
2576	cfg_load;	3430	evthread_start IO::AIO::poll_fileno;
		3431
		3432	cf::sync_job {
		3433	reload_resources;
		3434	reload_config;
2577	db_init;	3435	db_init;
		3436
		3437	cf::load_settings;
		3438	cf::load_materials;
		3439	cf::init_uuid;
		3440	cf::init_signals;
		3441	cf::init_commands;
		3442	cf::init_skills;
		3443
		3444	cf::init_beforeplay;
		3445
		3446	atomic;
		3447
2578	load_extensions;	3448	load_extensions;
2579		3449
2580	$TICK_WATCHER->start;	3450	utime time, time, $RUNTIMEFILE;
		3451
		3452	# no (long-running) fork's whatsoever before this point(!)
		3453	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3454
		3455	(pop @POST_INIT)->(0) while @POST_INIT;
		3456	};
		3457
2581	Event::loop;	3458	EV::loop;
2582	}	3459	}
2583		3460
2584	#############################################################################	3461	#############################################################################
2585	# initialisation and cleanup	3462	# initialisation and cleanup
2586		3463
2587	# install some emergency cleanup handlers	3464	# install some emergency cleanup handlers
2588	BEGIN {	3465	BEGIN {
		3466	our %SIGWATCHER = ();
2589	for my $signal (qw(INT HUP TERM)) {	3467	for my $signal (qw(INT HUP TERM)) {
2590	Event->signal (	3468	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2591	reentrant => 0,
2592	data => WF_AUTOCANCEL,
2593	signal => $signal,
2594	prio => 0,
2595	cb => sub {
2596	cf::cleanup "SIG$signal";	3469	cf::cleanup "SIG$signal";
2597	},
2598	);	3470	};
		3471	}
		3472	}
		3473
		3474	sub write_runtime_sync {
		3475	# first touch the runtime file to show we are still running:
		3476	# the fsync below can take a very very long time.
		3477
		3478	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3479
		3480	my $guard = cf::lock_acquire "write_runtime";
		3481
		3482	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = $cf::RUNTIME + 90 + 10;
		3486	# 10 is the runtime save interval, for a monotonic clock
		3487	# 60 allows for the watchdog to kill the server.
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	# touch it again to show we are up-to-date
		3497	aio_utime $fh, undef, undef;
		3498
		3499	close $fh
		3500	or return;
		3501
		3502	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3503	and return;
		3504
		3505	warn "runtime file written.\n";
		3506
2599	}	3507	1
		3508	}
		3509
		3510	our $uuid_lock;
		3511	our $uuid_skip;
		3512
		3513	sub write_uuid_sync($) {
		3514	$uuid_skip ||= $_[0];
		3515
		3516	return if $uuid_lock;
		3517	local $uuid_lock = 1;
		3518
		3519	my $uuid = "$LOCALDIR/uuid";
		3520
		3521	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3522	or return;
		3523
		3524	my $value = uuid_seq uuid_cur;
		3525
		3526	unless ($value) {
		3527	warn "cowardly refusing to write zero uuid value!\n";
		3528	return;
		3529	}
		3530
		3531	my $value = uuid_str $value + $uuid_skip;
		3532	$uuid_skip = 0;
		3533
		3534	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3535	and return;
		3536
		3537	# always fsync - this file is important
		3538	aio_fsync $fh
		3539	and return;
		3540
		3541	close $fh
		3542	or return;
		3543
		3544	aio_rename "$uuid~", $uuid
		3545	and return;
		3546
		3547	warn "uuid file written ($value).\n";
		3548
		3549	1
		3550
		3551	}
		3552
		3553	sub write_uuid($$) {
		3554	my ($skip, $sync) = @_;
		3555
		3556	$sync ? write_uuid_sync $skip
		3557	: async { write_uuid_sync $skip };
2600	}	3558	}
2601		3559
2602	sub emergency_save() {	3560	sub emergency_save() {
2603	my $freeze_guard = cf::freeze_mainloop;	3561	my $freeze_guard = cf::freeze_mainloop;
2604		3562
…		…
2610	# and maps saved/destroyed asynchronously.	3568	# and maps saved/destroyed asynchronously.
2611	warn "begin emergency player save\n";	3569	warn "begin emergency player save\n";
2612	for my $login (keys %cf::PLAYER) {	3570	for my $login (keys %cf::PLAYER) {
2613	my $pl = $cf::PLAYER{$login} or next;	3571	my $pl = $cf::PLAYER{$login} or next;
2614	$pl->valid or next;	3572	$pl->valid or next;
		3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2615	$pl->save;	3574	$pl->save;
2616	}	3575	}
2617	warn "end emergency player save\n";	3576	warn "end emergency player save\n";
2618		3577
2619	warn "begin emergency map save\n";	3578	warn "begin emergency map save\n";
…		…
2625	warn "end emergency map save\n";	3584	warn "end emergency map save\n";
2626		3585
2627	warn "begin emergency database checkpoint\n";	3586	warn "begin emergency database checkpoint\n";
2628	BDB::db_env_txn_checkpoint $DB_ENV;	3587	BDB::db_env_txn_checkpoint $DB_ENV;
2629	warn "end emergency database checkpoint\n";	3588	warn "end emergency database checkpoint\n";
		3589
		3590	warn "begin write uuid\n";
		3591	write_uuid_sync 1;
		3592	warn "end write uuid\n";
2630	};	3593	};
2631		3594
2632	warn "leave emergency perl save\n";	3595	warn "leave emergency perl save\n";
2633	}	3596	}
2634		3597
2635	sub post_cleanup {	3598	sub post_cleanup {
2636	my ($make_core) = @_;	3599	my ($make_core) = @_;
2637		3600
2638	warn Carp::longmess "post_cleanup backtrace"	3601	warn Carp::longmess "post_cleanup backtrace"
2639	if $make_core;	3602	if $make_core;
		3603
		3604	my $fh = pidfile;
		3605	unlink $PIDFILE if <$fh> == $$;
		3606	}
		3607
		3608	# a safer delete_package, copied from Symbol
		3609	sub clear_package($) {
		3610	my $pkg = shift;
		3611
		3612	# expand to full symbol table name if needed
		3613	unless ($pkg =~ /^main::.*::$/) {
		3614	$pkg = "main$pkg" if $pkg =~ /^::/;
		3615	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3616	$pkg .= '::' unless $pkg =~ /::$/;
		3617	}
		3618
		3619	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3620	my $stem_symtab = *{$stem}{HASH};
		3621
		3622	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3623	or return;
		3624
		3625	# clear all symbols
		3626	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3627	for my $name (keys %$leaf_symtab) {
		3628	_gv_clear *{"$pkg$name"};
		3629	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3630	}
		3631	warn "cleared package $pkg\n";#d#
2640	}	3632	}
2641		3633
2642	sub do_reload_perl() {	3634	sub do_reload_perl() {
2643	# can/must only be called in main	3635	# can/must only be called in main
2644	if ($Coro::current != $Coro::main) {	3636	if ($Coro::current != $Coro::main) {
2645	warn "can only reload from main coroutine";	3637	warn "can only reload from main coroutine";
2646	return;	3638	return;
2647	}	3639	}
2648		3640
		3641	return if $RELOAD++;
		3642
		3643	while ($RELOAD) {
2649	warn "reloading...";	3644	warn "reloading...";
2650		3645
2651	warn "entering sync_job";	3646	warn "entering sync_job";
2652		3647
2653	cf::sync_job {	3648	cf::sync_job {
2654	cf::write_runtime; # external watchdog should not bark	3649	cf::write_runtime_sync; # external watchdog should not bark
2655	cf::emergency_save;	3650	cf::emergency_save;
2656	cf::write_runtime; # external watchdog should not bark	3651	cf::write_runtime_sync; # external watchdog should not bark
2657		3652
2658	warn "syncing database to disk";	3653	warn "syncing database to disk";
2659	BDB::db_env_txn_checkpoint $DB_ENV;	3654	BDB::db_env_txn_checkpoint $DB_ENV;
2660		3655
2661	# if anything goes wrong in here, we should simply crash as we already saved	3656	# if anything goes wrong in here, we should simply crash as we already saved
2662		3657
2663	warn "cancelling all WF_AUTOCANCEL watchers";
2664	for (Event::all_watchers) {
2665	$_->cancel if $_->data & WF_AUTOCANCEL;
2666	}
2667
2668	warn "flushing outstanding aio requests";	3658	warn "flushing outstanding aio requests";
2669	for (;;) {
2670	BDB::flush;
2671	IO::AIO::flush;
2672	Coro::cede;
2673	last unless IO::AIO::nreqs || BDB::nreqs;	3659	while (IO::AIO::nreqs || BDB::nreqs) {
2674	warn "iterate...";	3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2675	}
2676
2677	++$RELOAD;
2678
2679	warn "cancelling all extension coros";
2680	$_->cancel for values %EXT_CORO;
2681	%EXT_CORO = ();
2682
2683	warn "removing commands";
2684	%COMMAND = ();
2685
2686	warn "removing ext commands";
2687	%EXTCMD = ();
2688
2689	warn "unloading/nuking all extensions";
2690	for my $pkg (@EXTS) {
2691	warn "... unloading $pkg";
2692
2693	if (my $cb = $pkg->can ("unload")) {
2694	eval {
2695	$cb->($pkg);
2696	1
2697	} or warn "$pkg unloaded, but with errors: $@";
2698	}	3661	}
2699		3662
2700	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
2701	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
2702	}	3665	%EXT_CORO = ();
2703		3666
2704	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
2705	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
2706	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2707		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
2708	warn "... unloading $k";	3676	warn "... unloading $pkg";
2709	delete $INC{$k};
2710		3677
2711	$k =~ s/\.pm$//;
2712	$k =~ s/\//::/g;
2713
2714	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
2715	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
2716	}	3687	}
2717		3688
2718	Symbol::delete_package $k;	3689	warn "unloading all perl modules loaded from $LIBDIR";
		3690	while (my ($k, $v) = each %INC) {
		3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3692
		3693	warn "... unloading $k";
		3694	delete $INC{$k};
		3695
		3696	$k =~ s/\.pm$//;
		3697	$k =~ s/\//::/g;
		3698
		3699	if (my $cb = $k->can ("unload_module")) {
		3700	$cb->();
		3701	}
		3702
		3703	clear_package $k;
2719	}	3704	}
2720		3705
2721	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
2722	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
2723	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2724		3709
2725	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
2726	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
2727	delete $INC{"cf/pod.pm"};	3712	delete $INC{"cf/pod.pm"};
2728		3713
2729	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
2730	# and global variables created in xs	3715	# and global variables created in xs
2731	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
2732		3717
2733	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
2734		3719
2735	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
2736	require cf;	3721	require cf;
2737	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2738		3723
2739	warn "loading config and database again";	3724	warn "loading config and database again";
2740	cf::cfg_load;	3725	cf::reload_config;
2741		3726
2742	warn "loading extensions";	3727	warn "loading extensions";
2743	cf::load_extensions;	3728	cf::load_extensions;
2744		3729
2745	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
2746	_global_reattach; # objects, sockets	3731	_global_reattach; # objects, sockets
2747	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
2748	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
2749	warn "reattaching attachments to players";	3734	warn "reattaching attachments to players";
2750	reattach $_ for values %PLAYER;	3735	reattach $_ for values %PLAYER;
2751		3736
		3737	warn "running post_load";
		3738	(pop @POST_INIT)->(1) while @POST_INIT;
		3739
2752	warn "leaving sync_job";	3740	warn "leaving sync_job";
2753		3741
2754	1	3742	1
2755	} or do {	3743	} or do {
2756	warn $@;	3744	warn $@;
2757	warn "error while reloading, exiting.";	3745	cf::cleanup "error while reloading, exiting.";
2758	exit 1;
2759	};	3746	};
2760		3747
2761	warn "reloaded";	3748	warn "reloaded";
		3749	--$RELOAD;
		3750	}
2762	};	3751	};
2763		3752
2764	our $RELOAD_WATCHER; # used only during reload	3753	our $RELOAD_WATCHER; # used only during reload
2765		3754
2766	sub reload_perl() {	3755	sub reload_perl() {
2767	# doing reload synchronously and two reloads happen back-to-back,	3756	# doing reload synchronously and two reloads happen back-to-back,
2768	# coro crashes during coro_state_free->destroy here.	3757	# coro crashes during coro_state_free->destroy here.
2769		3758
2770	$RELOAD_WATCHER ||= Event->timer (	3759	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
2771	reentrant => 0,
2772	after => 0,
2773	data => WF_AUTOCANCEL,
2774	cb => sub {
2775	do_reload_perl;	3760	do_reload_perl;
2776	undef $RELOAD_WATCHER;	3761	undef $RELOAD_WATCHER;
2777	},
2778	);	3762	};
2779	}	3763	}
2780		3764
2781	register_command "reload" => sub {	3765	register_command "reload" => sub {
2782	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2783		3767
2784	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2785	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
2786	async { reload_perl };	3772	reload_perl;
		3773	};
2787	}	3774	}
2788	};	3775	};
2789		3776
2790	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2791		3778
…		…
2793		3780
2794	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
2795	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
2796		3783
2797	sub wait_for_tick {	3784	sub wait_for_tick {
2798	return unless $TICK_WATCHER->is_active;
2799	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2800		3786
2801	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
2802	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
2803	$signal->wait;	3789	$signal->wait;
2804	}	3790	}
2805		3791
2806	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
2807	return unless $TICK_WATCHER->is_active;
2808	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
2809		3794
2810	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
2811	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
2812	$signal->wait;	3797	$signal->wait;
2813	}	3798	}
2814		3799
2815	$TICK_WATCHER = Event->timer (	3800	sub tick {
2816	reentrant => 0,
2817	parked => 1,
2818	prio => 0,
2819	at => $NEXT_TICK || $TICK,
2820	data => WF_AUTOCANCEL,
2821	cb => sub {
2822	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2823	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2824	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2825	return;	3804	return;
2826	}	3805	}
2827		3806
2828	$NOW = Event::time;
2829
2830	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2831		3808
2832	$RUNTIME += $TICK;
2833	$NEXT_TICK += $TICK;
2834
2835	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2836	$NEXT_RUNTIME_WRITE = $NOW + 10;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2837	Coro::async_pool {	3811	Coro::async_pool {
		3812	$Coro::current->{desc} = "runtime saver";
2838	write_runtime	3813	write_runtime_sync
2839	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
2840	};
2841	}	3815	};
		3816	}
2842		3817
2843	# my $AFTER = Event::time;
2844	# warn $AFTER - $NOW;#d#
2845
2846	# if we are delayed by four ticks or more, skip them all
2847	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2848
2849	$TICK_WATCHER->at ($NEXT_TICK);
2850	$TICK_WATCHER->start;
2851
2852	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2853	$sig->send;	3819	$sig->send;
2854	}	3820	}
2855	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
2856	$sig->send;	3822	$sig->send;
2857	}
2858
2859	_post_tick;
2860	},	3823	}
2861	);	3824
		3825	$LOAD = ($NOW - $TICK_START) / $TICK;
		3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3827
		3828	if (0) {
		3829	if ($NEXT_TICK) {
		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
		3834	}
		3835	}
2862		3836
2863	{	3837	{
2864	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2865	$BDB_POLL_WATCHER = Event->io (	3839
2866	reentrant => 0,
2867	fd => BDB::poll_fileno,
2868	poll => 'r',
2869	prio => 0,
2870	data => WF_AUTOCANCEL,
2871	cb => \&BDB::poll_cb,
2872	);
2873	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
2874		3841	BDB::max_poll_reqs $TICK * 0.1;
2875	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
2876	my $status;
2877	my $current = $Coro::current;
2878	(
2879	sub {
2880	$status = $!;
2881	$current->ready; undef $current;
2882	},
2883	sub {
2884	Coro::schedule while defined $current;
2885	$! = $status;
2886	},
2887	)
2888	};
2889		3843
2890	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
2891	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2892		3851
2893	cf::sync_job {	3852	cf::sync_job {
2894	eval {	3853	eval {
2895	BDB::db_env_open	3854	BDB::db_env_open
2896	$DB_ENV,	3855	$DB_ENV,
…		…
2898	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2899	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2900	0666;	3859	0666;
2901		3860
2902	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2903
2904	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2905	$DB_ENV->set_lk_detect;
2906	};	3862	};
2907		3863
2908	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
2909	};	3865	};
2910	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
2911	}	3877	}
2912		3878
2913	{	3879	{
		3880	# configure IO::AIO
		3881
2914	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
2915
2916	undef $Coro::AIO::WATCHER;
2917	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
2918	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
2919	reentrant => 0,
2920	data => WF_AUTOCANCEL,
2921	fd => IO::AIO::poll_fileno,
2922	poll => 'r',
2923	prio => 6,
2924	cb => \&IO::AIO::poll_cb,
2925	);
2926	}	3885	}
		3886
		3887	my $_log_backtrace;
2927		3888
2928	sub _log_backtrace {	3889	sub _log_backtrace {
2929	my ($msg, @addr) = @_;	3890	my ($msg, @addr) = @_;
2930		3891
		3892	$msg =~ s/\n//;
		3893
		3894	# limit the # of concurrent backtraces
		3895	if ($_log_backtrace < 2) {
		3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
2931	async {	3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
2932	my @bt = fork_call {	3901	my @bt = fork_call {
2933	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2934	open my $fh, "exec addr2line -C -f -i -e \Q$^X\E @addr 2>&1 |"	3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2935	or die "addr2line: $!";	3905	or die "addr2line: $!";
2936		3906
2937	my @funcs;	3907	my @funcs;
2938	my @res = <$fh>;	3908	my @res = <$fh>;
2939	chomp for @res;	3909	chomp for @res;
2940	while (@res) {	3910	while (@res) {
2941	my ($func, $line) = splice @res, 0, 2, ();	3911	my ($func, $line) = splice @res, 0, 2, ();
2942	push @funcs, "[$func] $line";	3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
2943	}	3916	};
2944		3917
2945	@funcs	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3920	LOG llevInfo, "[ABT] $_\n" for @bt;
		3921	--$_log_backtrace;
2946	};	3922	};
2947		3923	} else {
2948	$msg =~ s/\n//;
2949
2950	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";
2951	LOG llevInfo, "[ABT] $_\n" for @bt;	3925	LOG llevInfo, "[ABT] [suppressed]\n";
2952	};	3926	}
2953	}	3927	}
2954		3928
2955	# load additional modules	3929	# load additional modules
2956	use cf::pod;	3930	use cf::pod;
2957		3931

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