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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.455 by root, Sat Sep 27 08:17:40 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 $runtime = "$LOCALDIR/runtime";
373		559
374	# first touch the runtime file to show we are still running:	560	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	561	process, returning the results. Everything must be serialisable with
		562	Coro::Storable. May, of course, block. Note that the executed sub may
		563	never block itself or use any form of event handling.
376		564
377	warn "touching runtime...\n";#d#	565	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	566
379	utime undef, undef, $fh;	567	sub fork_call(&@) {
		568	my ($cb, @args) = @_;
		569
		570	# we seemingly have to make a local copy of the whole thing,
		571	# otherwise perl prematurely frees the stuff :/
		572	# TODO: investigate and fix (likely this will be rather laborious)
		573
		574	my @res = Coro::Util::fork_eval {
		575	reset_signals;
		576	&$cb
		577	}, @args;
		578
		579	wantarray ? @res : $res[-1]
		580	}
		581
		582	=item $coin = coin_from_name $name
		583
		584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
		607	}
		608
		609	=item $value = cf::db_get $family => $key
		610
		611	Returns a single value from the environment database.
		612
		613	=item cf::db_put $family => $key => $value
		614
		615	Stores the given C<$value> in the family. It can currently store binary
		616	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		617
		618	=item $db = cf::db_table "name"
		619
		620	Create and/or open a new database table. The string must not be "db" and must be unique
		621	within each server.
		622
		623	=cut
		624
		625	sub db_table($) {
		626	my ($name) = @_;
		627	my $db = BDB::db_create $DB_ENV;
		628
		629	eval {
		630	$db->set_flags (BDB::CHKSUM);
		631
		632	utf8::encode $name;
		633	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		634	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		635	cf::cleanup "db_open(db): $!" if $!;
380	}	636	};
		637	cf::cleanup "db_open(db): $@" if $@;
381		638
382	my $guard = cf::lock_acquire "write_runtime";	639	$db
		640	}
383		641
384	warn "starting to write runtime...\n";#d#	642	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		643
388	my $value = $cf::RUNTIME + 90 + 10;	644	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	645	cf::sync_job {
390	# 60 allows for the watchdog to kill the server.	646	$DB ||= db_table "db";
		647	};
		648	}
391		649
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	650	sub db_get($$) {
393	and return;	651	my $key = "$_[0]/$_[1]";
394		652
395	# always fsync - this file is important	653	cf::sync_job {
396	aio_fsync $fh	654	BDB::db_get $DB, undef, $key, my $data;
397	and return;
398		655
399	# touch it again to show we are up-to-date	656	$! ? ()
400	utime undef, undef, $fh;	657	: $data
401
402	close $fh
403	or return;
404
405	aio_rename "$runtime~", $runtime
406	and return;
407
408	warn "... done writing runtime.\n";#d#
409
410	1	658	}
		659	}
		660
		661	sub db_put($$$) {
		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"
411	}	734	}
412		735
413	=item cf::datalog type => key => value, ...	736	=item cf::datalog type => key => value, ...
414		737
415	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.
…		…
427		750
428	#############################################################################	751	#############################################################################
429		752
430	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
431		754
432	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
433	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")
434	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
435		758
436	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>
437	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
438	crossfire+).	761	Deliantra).
439		762
440	=over 4	763	=over 4
441		764
442	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
443		766
…		…
487	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
488		811
489	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
490	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
491		814
492	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
493	that are attached at load/instantiate time, thus the need for a name.	816	that are attached at load/instantiate time, thus the need for a name.
494		817
495	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
496		819
497	=over 4	820	=over 4
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	929	$registry = $CB_TYPE[$object_type] ||= [];
607		930
608	} elsif ($type eq "subtype") {	931	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	932	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	933	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	934	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		935
613	} elsif ($type eq "package") {	936	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	937	my $pkg = shift @arg;
615		938
616	while (my ($name, $id) = each %cb_id) {	939	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	968	_attach $registry, $klass, @attach;
646	}	969	}
647		970
648	$obj->{$name} = \%arg;	971	$obj->{$name} = \%arg;
649	} else {	972	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	973	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	974	}
652		975
653	$obj->{_attachment}{$name} = undef;	976	$obj->{_attachment}{$name} = undef;
654	}	977	}
655		978
…		…
657	if (ref $_[0]) {	980	if (ref $_[0]) {
658	_object_attach @_;	981	_object_attach @_;
659	} else {	982	} else {
660	_attach shift->_attach_registry, @_;	983	_attach shift->_attach_registry, @_;
661	}	984	}
		985	_recalc_want;
662	};	986	};
663		987
664	# all those should be optimised	988	# all those should be optimised
665	sub cf::attachable::detach {	989	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	990	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	993	delete $obj->{_attachment}{$name};
670	reattach ($obj);	994	reattach ($obj);
671	} else {	995	} else {
672	Carp::croak "cannot, currently, detach class attachments";	996	Carp::croak "cannot, currently, detach class attachments";
673	}	997	}
		998	_recalc_want;
674	};	999	};
675		1000
676	sub cf::attachable::attached {	1001	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
678		1003
…		…
693	";	1018	";
694	die if $@;	1019	die if $@;
695	}	1020	}
696		1021
697	our $override;	1022	our $override;
698	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?
699		1024
700	sub override {	1025	sub override {
701	$override = 1;	1026	$override = 1;
702	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
703	}	1028	}
704		1029
705	sub do_invoke {	1030	sub do_invoke {
706	my $event = shift;	1031	my $event = shift;
707	my $callbacks = shift;	1032	my $callbacks = shift;
708		1033
709	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
710		1035
711	local $override;	1036	local $override;
712		1037
713	for (@$callbacks) {	1038	for (@$callbacks) {
714	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
723	}	1048	}
724		1049
725	0	1050	0
726	}	1051	}
727		1052
728	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
729		1054
730	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
731		1056
732	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
733		1058
734	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
735	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
736	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		1062
738	=back	1063	=back
739		1064
740	=cut	1065	=cut
741		1066
742	#############################################################################	1067	#############################################################################
743	# 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, $ob2
		1110	}
744		1111
745	sub reattach {	1112	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	1114	my ($obj) = @_;
748		1115
		1116	# no longer needed after getting rid of delete_package?
749	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
750		1118
751	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
752		1120
753	@$registry = ();	1121	@$registry = ();
754		1122
…		…
769	cf::attachable->attach (	1137	cf::attachable->attach (
770	prio => -1000000,	1138	prio => -1000000,
771	on_instantiate => sub {	1139	on_instantiate => sub {
772	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
773		1141
774	$data = from_json $data;	1142	$data = decode_json $data;
775		1143
776	for (@$data) {	1144	for (@$data) {
777	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
778		1146
779	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
795	sub object_freezer_save {	1163	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
797		1165
798	sync_job {	1166	sync_job {
799	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
802		1171
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
807	close $fh;	1176	aio_close $fh;
808		1177
809	if (@$objs) {	1178	if (@$objs) {
810	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) {
811	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
812	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
814	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
815	close $fh;	1184	aio_close $fh;
816	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
817	}	1186	}
818	} else {	1187	} else {
819	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
820	}	1189	}
…		…
825	}	1194	}
826	} else {	1195	} else {
827	aio_unlink $filename;	1196	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
829	}	1198	}
830	}	1199	};
831	}	1200	}
832		1201
833	sub object_freezer_as_string {	1202	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1203	my ($rdata, $objs) = @_;
835		1204
…		…
847	or return;	1216	or return;
848		1217
849	unless (aio_stat "$filename.pst") {	1218	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1219	(aio_load "$filename.pst", $av) >= 0
851	or return;	1220	or return;
		1221
852	$av = eval { (Storable::thaw $av)->{objs} };	1222	my $st = eval { Coro::Storable::thaw $av };
		1223	$av = $st->{objs};
853	}	1224	}
854		1225
		1226	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1227	warn sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1228	$decname, length $data, scalar @{$av || []};
		1229
857	return ($data, $av);	1230	($data, $av)
858	}	1231	}
		1232
		1233	=head2 COMMAND CALLBACKS
		1234
		1235	=over 4
		1236
		1237	=cut
859		1238
860	#############################################################################	1239	#############################################################################
861	# command handling &c	1240	# command handling &c
862		1241
863	=item cf::register_command $name => \&callback($ob,$args);	1242	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1255	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1256	}
878		1257
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1258	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1259
881	Register a callbackf ro execution when the client sends an extcmd packet.	1260	Register a callback for execution when the client sends an (synchronous)
		1261	extcmd packet. Ext commands will be processed in the order they are
		1262	received by the server, like other user commands. The first argument is
		1263	the logged-in player. Ext commands can only be processed after a player
		1264	has logged in successfully.
882		1265
883	If the callback returns something, it is sent back as if reply was being	1266	If the callback returns something, it is sent back as if reply was being
884	called.	1267	called.
885		1268
		1269	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1270
		1271	Register a callback for execution when the client sends an (asynchronous)
		1272	exticmd packet. Exti commands are processed by the server as soon as they
		1273	are received, i.e. out of order w.r.t. other commands. The first argument
		1274	is a client socket. Exti commands can be received anytime, even before
		1275	log-in.
		1276
		1277	If the callback returns something, it is sent back as if reply was being
		1278	called.
		1279
886	=cut	1280	=cut
887		1281
888	sub register_extcmd {	1282	sub register_extcmd {
889	my ($name, $cb) = @_;	1283	my ($name, $cb) = @_;
890		1284
891	$EXTCMD{$name} = $cb;	1285	$EXTCMD{$name} = $cb;
		1286	}
		1287
		1288	sub register_exticmd {
		1289	my ($name, $cb) = @_;
		1290
		1291	$EXTICMD{$name} = $cb;
892	}	1292	}
893		1293
894	cf::player->attach (	1294	cf::player->attach (
895	on_command => sub {	1295	on_command => sub {
896	my ($pl, $name, $params) = @_;	1296	my ($pl, $name, $params) = @_;
…		…
905	cf::override;	1305	cf::override;
906	},	1306	},
907	on_extcmd => sub {	1307	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1308	my ($pl, $buf) = @_;
909		1309
910	my $msg = eval { from_json $buf };	1310	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1311
912	if (ref $msg) {	1312	if (ref $msg) {
		1313	my ($type, $reply, @payload) =
		1314	"ARRAY" eq ref $msg
		1315	? @$msg
		1316	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1317
		1318	my @reply;
		1319
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1320	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1321	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1322	}
		1323
		1324	$pl->ext_reply ($reply, @reply)
		1325	if $reply;
		1326
918	} else {	1327	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1328	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1329	}
921		1330
922	cf::override;	1331	cf::override;
923	},	1332	},
924	);	1333	);
925		1334
926	sub load_extension {
927	my ($path) = @_;
928
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
930	my $base = $1;
931	my $pkg = $1;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}
954	die $@;
955	}
956
957	push @EXTS, $pkg;
958	}
959
960	sub load_extensions {	1335	sub load_extensions {
		1336	cf::sync_job {
		1337	my %todo;
		1338
961	for my $ext (<$LIBDIR/*.ext>) {	1339	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1340	next unless -r $path;
963	eval {	1341
964	load_extension $ext;	1342	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1343	my $base = $1;
		1344	my $pkg = $1;
		1345	$pkg =~ s/[^[:word:]]/_/g;
		1346	$pkg = "ext::$pkg";
		1347
		1348	open my $fh, "<:utf8", $path
		1349	or die "$path: $!";
		1350
		1351	my $source = do { local $/; <$fh> };
		1352
		1353	my %ext = (
		1354	path => $path,
		1355	base => $base,
		1356	pkg => $pkg,
		1357	);
		1358
		1359	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1360	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1361
		1362	$ext{source} =
		1363	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1364	. "#line 1 \"$path\"\n{\n"
		1365	. $source
		1366	. "\n};\n1";
		1367
		1368	$todo{$base} = \%ext;
		1369	}
		1370
		1371	my %done;
		1372	while (%todo) {
		1373	my $progress;
		1374
		1375	while (my ($k, $v) = each %todo) {
		1376	for (split /,\s*/, $v->{meta}{depends}) {
		1377	goto skip
		1378	unless exists $done{$_};
		1379	}
		1380
		1381	warn "... loading '$k' into '$v->{pkg}'\n";
		1382
		1383	unless (eval $v->{source}) {
		1384	my $msg = $@ ? "$v->{path}: $@\n"
		1385	: "$v->{base}: extension inactive.\n";
		1386
		1387	if (exists $v->{meta}{mandatory}) {
		1388	warn $msg;
		1389	cf::cleanup "mandatory extension failed to load, exiting.";
		1390	}
		1391
		1392	warn $msg;
		1393	}
		1394
		1395	$done{$k} = delete $todo{$k};
		1396	push @EXTS, $v->{pkg};
		1397	$progress = 1;
965	1	1398	}
966	} or warn "$ext not loaded: $@";	1399
		1400	skip:
		1401	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1402	unless $progress;
		1403	}
967	}	1404	};
968	}	1405	}
969		1406
970	#############################################################################	1407	#############################################################################
971		1408
		1409	=back
		1410
972	=head2 CORE EXTENSIONS	1411	=head2 CORE EXTENSIONS
973		1412
974	Functions and methods that extend core crossfire objects.	1413	Functions and methods that extend core deliantra objects.
975		1414
976	=cut	1415	=cut
977		1416
978	package cf::player;	1417	package cf::player;
979		1418
980	use Coro::AIO;	1419	use Coro::AIO;
981		1420
982	=head3 cf::player	1421	=head3 cf::player
983		1422
984	=over 4	1423	=over 4
		1424
		1425	=item cf::player::num_playing
		1426
		1427	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1428
		1429	=cut
		1430
		1431	sub num_playing {
		1432	scalar grep
		1433	$_->ob->map
		1434	&& !$_->hidden
		1435	&& !$_->ob->flag (cf::FLAG_WIZ),
		1436	cf::player::list
		1437	}
985		1438
986	=item cf::player::find $login	1439	=item cf::player::find $login
987		1440
988	Returns the given player object, loading it if necessary (might block).	1441	Returns the given player object, loading it if necessary (might block).
989		1442
…		…
1008		1461
1009	sub exists($) {	1462	sub exists($) {
1010	my ($login) = @_;	1463	my ($login) = @_;
1011		1464
1012	$cf::PLAYER{$login}	1465	$cf::PLAYER{$login}
1013	or cf::sync_job { !aio_stat path $login }	1466	or !aio_stat path $login
1014	}	1467	}
1015		1468
1016	sub find($) {	1469	sub find($) {
1017	return $cf::PLAYER{$_[0]} || do {	1470	return $cf::PLAYER{$_[0]} || do {
1018	my $login = $_[0];	1471	my $login = $_[0];
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1478	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1479	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1480	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1481	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1482
1030	my $pl = load_pl path $login	1483	my $f = new_from_file cf::object::thawer path $login
1031	or return;	1484	or return;
		1485
		1486	my $pl = cf::player::load_pl $f
		1487	or return;
		1488
		1489	local $cf::PLAYER_LOADING{$login} = $pl;
		1490	$f->resolve_delayed_derefs;
1032	$cf::PLAYER{$login} = $pl	1491	$cf::PLAYER{$login} = $pl
1033	}	1492	}
1034	}	1493	}
1035	}	1494	}
1036		1495
…		…
1045	return if $pl->{deny_save};	1504	return if $pl->{deny_save};
1046		1505
1047	aio_mkdir playerdir $pl, 0770;	1506	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1507	$pl->{last_save} = $cf::RUNTIME;
1049		1508
		1509	cf::get_slot 0.01;
		1510
1050	$pl->save_pl ($path);	1511	$pl->save_pl ($path);
1051	Coro::cede;	1512	cf::cede_to_tick;
1052	}	1513	}
1053		1514
1054	sub new($) {	1515	sub new($) {
1055	my ($login) = @_;	1516	my ($login) = @_;
1056		1517
…		…
1062	$cf::PLAYER{$login} = $self;	1523	$cf::PLAYER{$login} = $self;
1063		1524
1064	$self	1525	$self
1065	}	1526	}
1066		1527
		1528	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1529
		1530	=cut
		1531
		1532	sub send_msg {
		1533	my $ns = shift->ns
		1534	or return;
		1535	$ns->send_msg (@_);
		1536	}
		1537
1067	=item $pl->quit_character	1538	=item $pl->quit_character
1068		1539
1069	Nukes the player without looking back. If logged in, the connection will	1540	Nukes the player without looking back. If logged in, the connection will
1070	be destroyed. May block for a long time.	1541	be destroyed. May block for a long time.
1071		1542
…		…
1075	my ($pl) = @_;	1546	my ($pl) = @_;
1076		1547
1077	my $name = $pl->ob->name;	1548	my $name = $pl->ob->name;
1078		1549
1079	$pl->{deny_save} = 1;	1550	$pl->{deny_save} = 1;
1080	$pl->password ("*"); # this should lock out the player until we nuked the dir	1551	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1081		1552
1082	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1553	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1083	$pl->deactivate;	1554	$pl->deactivate;
		1555	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1556	$pl->ob->check_score;
1084	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1557	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1085	$pl->ns->destroy if $pl->ns;	1558	$pl->ns->destroy if $pl->ns;
1086		1559
1087	my $path = playerdir $pl;	1560	my $path = playerdir $pl;
1088	my $temp = "$path~$cf::RUNTIME~deleting~";	1561	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1124	or return [];	1597	or return [];
1125		1598
1126	my @logins;	1599	my @logins;
1127		1600
1128	for my $login (@$dirs) {	1601	for my $login (@$dirs) {
		1602	my $path = path $login;
		1603
		1604	# a .pst is a dead give-away for a valid player
		1605	# if no pst file found, open and chekc for blocked users
		1606	if (aio_stat "$path.pst") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1607	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1608	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1609	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1610	}
1132		1611
1133	utf8::decode $login;	1612	utf8::decode $login;
1134	push @logins, $login;	1613	push @logins, $login;
1135	}	1614	}
1136		1615
…		…
1163	}	1642	}
1164		1643
1165	\@paths	1644	\@paths
1166	}	1645	}
1167		1646
		1647	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1648
		1649	Expand deliantra pod fragments into protocol xml.
		1650
1168	=item $player->ext_reply ($msgid, %msg)	1651	=item $player->ext_reply ($msgid, @msg)
1169		1652
1170	Sends an ext reply to the player.	1653	Sends an ext reply to the player.
1171		1654
1172	=cut	1655	=cut
1173		1656
1174	sub ext_reply($$%) {	1657	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1658	my ($self, $id, @msg) = @_;
1176		1659
1177	$msg{msgid} = $id;	1660	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1661	}
1181		1662
1182	=item $player->ext_event ($type, %msg)	1663	=item $player->ext_msg ($type, @msg)
1183		1664
1184	Sends an ext event to the client.	1665	Sends an ext event to the client.
1185		1666
1186	=cut	1667	=cut
1187		1668
1188	sub ext_event($$%) {	1669	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1670	my ($self, $type, @msg) = @_;
1190		1671
1191	$self->ns->ext_event ($type, %msg);	1672	$self->ns->ext_msg ($type, @msg);
1192	}	1673	}
1193		1674
1194	=head3 cf::region	1675	=head3 cf::region
1195		1676
1196	=over 4	1677	=over 4
…		…
1199		1680
1200	package cf::region;	1681	package cf::region;
1201		1682
1202	=item cf::region::find_by_path $path	1683	=item cf::region::find_by_path $path
1203		1684
1204	Tries to decuce the probable region for a map knowing only its path.	1685	Tries to decuce the likely region for a map knowing only its path.
1205		1686
1206	=cut	1687	=cut
1207		1688
1208	sub find_by_path($) {	1689	sub find_by_path($) {
1209	my ($path) = @_;	1690	my ($path) = @_;
1210		1691
1211	my ($match, $specificity);	1692	my ($match, $specificity);
1212		1693
1213	for my $region (list) {	1694	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1695	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1696	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1697	if $region->specificity > $specificity;
1217	}	1698	}
1218	}	1699	}
1219		1700
…		…
1240	our $MAX_RESET = 3600;	1721	our $MAX_RESET = 3600;
1241	our $DEFAULT_RESET = 3000;	1722	our $DEFAULT_RESET = 3000;
1242		1723
1243	sub generate_random_map {	1724	sub generate_random_map {
1244	my ($self, $rmp) = @_;	1725	my ($self, $rmp) = @_;
		1726
		1727	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1728
1245	# mit "rum" bekleckern, nicht	1729	# mit "rum" bekleckern, nicht
1246	$self->_create_random_map (	1730	$self->_create_random_map (
1247	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1248	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1249	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1283	my ($self, $merge) = @_;	1767	my ($self, $merge) = @_;
1284		1768
1285	# we have to keep some variables in memory intact	1769	# we have to keep some variables in memory intact
1286	local $self->{path};	1770	local $self->{path};
1287	local $self->{load_path};	1771	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1772
1291	$self->SUPER::thawer_merge ($merge);	1773	$self->SUPER::thawer_merge ($merge);
1292	}	1774	}
1293		1775
1294	sub normalise {	1776	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1342	return $self;	1824	return $self;
1343	}	1825	}
1344	}	1826	}
1345		1827
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1829	()
1348	}	1830	}
1349		1831
1350	sub init {	1832	sub init {
1351	my ($self) = @_;	1833	my ($self) = @_;
…		…
1373		1855
1374	# the temporary/swap location	1856	# the temporary/swap location
1375	sub save_path {	1857	sub save_path {
1376	my ($self) = @_;	1858	my ($self) = @_;
1377		1859
1378	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1379	"$TMPDIR/$path.map"	1861	"$TMPDIR/$path.map"
1380	}	1862	}
1381		1863
1382	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1383	sub uniq_path {	1865	sub uniq_path {
1384	my ($self) = @_;	1866	my ($self) = @_;
1385		1867
1386	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1387	"$UNIQUEDIR/$path"	1869	"$UNIQUEDIR/$path"
1388	}	1870	}
1389		1871
1390	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1391	# all maps in C++...	1873	# all maps in C++...
…		…
1394		1876
1395	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1396	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1397	}	1879	}
1398		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1399	sub unlink_save {	1889	sub unlink_save {
1400	my ($self) = @_;	1890	my ($self) = @_;
1401		1891
1402	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1403	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1406		1896
1407	sub load_header_from($) {	1897	sub load_header_from($) {
1408	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1409		1899
1410	utf8::encode $path;	1900	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1416		1909
1417	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1418		1911
1419	1	1912	1
1420	}	1913	}
…		…
1459	$self->load_header_orig	1952	$self->load_header_orig
1460	or return;	1953	or return;
1461	$self->prepare_orig;	1954	$self->prepare_orig;
1462	}	1955	}
1463		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
1464	$self->default_region (cf::region::find_by_path $self->{path})	1960	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	1961	unless $self->default_region;
1466		1962
1467	1	1963	1
1468	}	1964	}
…		…
1471	sub find {	1967	sub find {
1472	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1473		1969
1474	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1475		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1477		1974
1478	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
		1976	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1479	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard2 = cf::lock_acquire "map_find:$path";
		1978
1480	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1481	or return;	1980	or return;
1482		1981
1483	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1484		1983
1485	$map->load_header	1984	$map->load_header
1486	or return;	1985	or return;
1487		1986
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard2;
		1991	undef $guard1;
1491	$map->reset;	1992	$map->reset;
1492	undef $guard;
1493	return find $path;	1993	return find $path;
1494	}	1994	}
1495		1995
1496	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1497	}	1997	}
…		…
1506	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1507		2007
1508	my $path = $self->{path};	2008	my $path = $self->{path};
1509		2009
1510	{	2010	{
1511	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1512		2012
		2013	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1514		2015
1515	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1516		2017
1517	$self->alloc;	2018	$self->alloc;
1518		2019
1519	$self->pre_load;	2020	$self->pre_load;
1520	Coro::cede;	2021	cf::cede_to_tick;
1521		2022
		2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
1522	$self->_load_objects ($self->{load_path}, 1)	2025	$self->_load_objects ($f)
1523	or return;	2026	or return;
1524		2027
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->post_load_original
1526	if delete $self->{load_original};	2029	if delete $self->{load_original};
1527		2030
1528	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	2032	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	2035	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1533	}	2039	}
1534	}	2040	}
1535		2041
1536	Coro::cede;	2042	$f->resolve_delayed_derefs;
		2043
		2044	cf::cede_to_tick;
1537	# now do the right thing for maps	2045	# now do the right thing for maps
1538	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	2048	unless $self->difficulty;
1541	Coro::cede;	2049	cf::cede_to_tick;
1542		2050
1543	unless ($self->{deny_activate}) {	2051	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	2052	$self->decay_objects;
1545	$self->fix_auto_apply;	2053	$self->fix_auto_apply;
1546	$self->update_buttons;	2054	$self->update_buttons;
1547	Coro::cede;	2055	cf::cede_to_tick;
1548	$self->set_darkness_map;	2056	$self->set_darkness_map;
1549	Coro::cede;	2057	cf::cede_to_tick;
1550	$self->activate;	2058	$self->activate;
1551	}	2059	}
1552		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
		2063
1553	$self->in_memory (cf::MAP_IN_MEMORY);	2064	$self->in_memory (cf::MAP_ACTIVE);
1554	}	2065	}
1555		2066
1556	$self->post_load;	2067	$self->post_load;
1557	}	2068	}
1558		2069
…		…
1560	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1561		2072
1562	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	2074	if $self->per_player;
1564		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1565	$self	2079	$self
1566	}	2080	}
1567		2081
1568	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	2083	sub load_neighbours {
1570	my ($map) = @_;	2084	my ($map) = @_;
1571		2085
1572	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1573		2087
1574	for (0 .. 3) {	2088	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1576	or next;	2090	or next;
1577	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1578	or next;	2092	or next;
1579	$neigh->load;	2093	$neigh->load;
1580		2094
		2095	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	2098	}
1584		2099
1585	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1587	or next;	2103	or next;
1588	$neigh->load;	2104	$neigh->load;
1589	}	2105	}
1590	}	2106	}
1591		2107
…		…
1596	}	2112	}
1597		2113
1598	sub do_load_sync {	2114	sub do_load_sync {
1599	my ($map) = @_;	2115	my ($map) = @_;
1600		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1601	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1602	}	2121	}
1603		2122
1604	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1606		2125
1607	sub find_async {	2126	sub find_async {
1608	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1609		2128
1610	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1611		2130
1612	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1614	}	2133	}
1615		2134
1616	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1617	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1618	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2142	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2143	$map->load if $v;
		2144	}
1623		2145
1624	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1625	}	2147	}
1626	}	2148	}
1627	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1628	};	2150	};
1629	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1632	}	2154	}
1633		2155
1634	sub save {	2156	sub save {
1635	my ($self) = @_;	2157	my ($self) = @_;
1636		2158
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2160
1639	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1640		2162
1641	return unless $self->dirty;	2163	return unless $self->dirty;
1642		2164
…		…
1648	return if $self->{deny_save};	2170	return if $self->{deny_save};
1649		2171
1650	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1651		2173
1652	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1653	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1654	};	2177	};
		2178
		2179	cf::get_slot 0.02;
1655		2180
1656	if ($uniq) {	2181	if ($uniq) {
1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1658	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2183	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1659	} else {	2184	} else {
…		…
1665	my ($self) = @_;	2190	my ($self) = @_;
1666		2191
1667	# save first because save cedes	2192	# save first because save cedes
1668	$self->save;	2193	$self->save;
1669		2194
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2195	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2196
1672	return if $self->players;	2197	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;	2198	return if $self->in_memory != cf::MAP_ACTIVE;
1674	return if $self->{deny_save};	2199	return if $self->{deny_save};
1675		2200
		2201	$self->in_memory (cf::MAP_SWAPPED);
		2202
		2203	$self->deactivate;
		2204	$_->clear_links_to ($self) for values %cf::MAP;
1676	$self->clear;	2205	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2206	}
1679		2207
1680	sub reset_at {	2208	sub reset_at {
1681	my ($self) = @_;	2209	my ($self) = @_;
1682		2210
1683	# TODO: safety, remove and allow resettable per-player maps	2211	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2212	return 1e99 if $self->{deny_reset};
1686		2213
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2214	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2215	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2216
…		…
1700	my ($self) = @_;	2227	my ($self) = @_;
1701		2228
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2229	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2230
1704	return if $self->players;	2231	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2232
1707	warn "resetting map ", $self->path;#d#	2233	warn "resetting map ", $self->path;
1708		2234
1709	$self->in_memory (cf::MAP_SWAPPED);	2235	$self->in_memory (cf::MAP_SWAPPED);
1710		2236
1711	# need to save uniques path	2237	# need to save uniques path
1712	unless ($self->{deny_save}) {	2238	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2242	if $uniq;
1717	}	2243	}
1718		2244
1719	delete $cf::MAP{$self->path};	2245	delete $cf::MAP{$self->path};
1720		2246
		2247	$self->deactivate;
		2248	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2249	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2250
1725	$self->unlink_save;	2251	$self->unlink_save;
1726	$self->destroy;	2252	$self->destroy;
1727	}	2253	}
1728		2254
1729	my $nuke_counter = "aaaa";	2255	my $nuke_counter = "aaaa";
1730		2256
1731	sub nuke {	2257	sub nuke {
1732	my ($self) = @_;	2258	my ($self) = @_;
1733		2259
		2260	{
		2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2262
1734	delete $cf::MAP{$self->path};	2263	delete $cf::MAP{$self->path};
1735		2264
1736	$self->unlink_save;	2265	$self->unlink_save;
1737		2266
1738	bless $self, "cf::map";	2267	bless $self, "cf::map";
1739	delete $self->{deny_reset};	2268	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2269	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2270	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2271	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2272
1744	$cf::MAP{$self->path} = $self;	2273	$cf::MAP{$self->path} = $self;
		2274	}
1745		2275
1746	$self->reset; # polite request, might not happen	2276	$self->reset; # polite request, might not happen
		2277	}
		2278
		2279	=item $maps = cf::map::tmp_maps
		2280
		2281	Returns an arrayref with all map paths of currently instantiated and saved
		2282	maps. May block.
		2283
		2284	=cut
		2285
		2286	sub tmp_maps() {
		2287	[
		2288	map {
		2289	utf8::decode $_;
		2290	/\.map$/
		2291	? normalise $_
		2292	: ()
		2293	} @{ aio_readdir $TMPDIR or [] }
		2294	]
		2295	}
		2296
		2297	=item $maps = cf::map::random_maps
		2298
		2299	Returns an arrayref with all map paths of currently instantiated and saved
		2300	random maps. May block.
		2301
		2302	=cut
		2303
		2304	sub random_maps() {
		2305	[
		2306	map {
		2307	utf8::decode $_;
		2308	/\.map$/
		2309	? normalise "?random/$_"
		2310	: ()
		2311	} @{ aio_readdir $RANDOMDIR or [] }
		2312	]
1747	}	2313	}
1748		2314
1749	=item cf::map::unique_maps	2315	=item cf::map::unique_maps
1750		2316
1751	Returns an arrayref of paths of all shared maps that have	2317	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2318	instantiated unique items. May block.
1753		2319
1754	=cut	2320	=cut
1755		2321
1756	sub unique_maps() {	2322	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2323	[
1758	or return;	2324	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2325	utf8::decode $_;
1764	next if /\.pst$/;	2326	s/\.map$//; # TODO future compatibility hack
1765	next unless /^$PATH_SEP/o;	2327	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1766		2328	? ()
1767	push @paths, cf::map::normalise $_;	2329	: normalise $_
		2330	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2331	]
1769
1770	\@paths
1771	}	2332	}
1772
1773	package cf;
1774		2333
1775	=back	2334	=back
1776		2335
1777	=head3 cf::object	2336	=head3 cf::object
1778		2337
…		…
1782		2341
1783	=over 4	2342	=over 4
1784		2343
1785	=item $ob->inv_recursive	2344	=item $ob->inv_recursive
1786		2345
1787	Returns the inventory of the object _and_ their inventories, recursively.	2346	Returns the inventory of the object I<and> their inventories, recursively,
		2347	but I<not> the object itself.
1788		2348
1789	=cut	2349	=cut
1790		2350
1791	sub inv_recursive_;	2351	sub inv_recursive_;
1792	sub inv_recursive_ {	2352	sub inv_recursive_ {
…		…
1795		2355
1796	sub inv_recursive {	2356	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2357	inv_recursive_ inv $_[0]
1798	}	2358	}
1799		2359
		2360	=item $ref = $ob->ref
		2361
		2362	Creates and returns a persistent reference to an object that can be stored as a string.
		2363
		2364	=item $ob = cf::object::deref ($refstring)
		2365
		2366	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2367	even if the object actually exists. May block.
		2368
		2369	=cut
		2370
		2371	sub deref {
		2372	my ($ref) = @_;
		2373
		2374	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2375	my ($uuid, $name) = ($1, $2);
		2376	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2377	or return;
		2378	$pl->ob->uuid eq $uuid
		2379	or return;
		2380
		2381	$pl->ob
		2382	} else {
		2383	warn "$ref: cannot resolve object reference\n";
		2384	undef
		2385	}
		2386	}
		2387
1800	package cf;	2388	package cf;
1801		2389
1802	=back	2390	=back
1803		2391
1804	=head3 cf::object::player	2392	=head3 cf::object::player
…		…
1810	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2398	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1811	can be C<undef>. Does the right thing when the player is currently in a	2399	can be C<undef>. Does the right thing when the player is currently in a
1812	dialogue with the given NPC character.	2400	dialogue with the given NPC character.
1813		2401
1814	=cut	2402	=cut
		2403
		2404	our $SAY_CHANNEL = {
		2405	id => "say",
		2406	title => "Map",
		2407	reply => "say ",
		2408	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2409	};
		2410
		2411	our $CHAT_CHANNEL = {
		2412	id => "chat",
		2413	title => "Chat",
		2414	reply => "chat ",
		2415	tooltip => "Player chat and shouts, global to the server.",
		2416	};
1815		2417
1816	# rough implementation of a future "reply" method that works	2418	# rough implementation of a future "reply" method that works
1817	# with dialog boxes.	2419	# with dialog boxes.
1818	#TODO: the first argument must go, split into a $npc->reply_to ( method	2420	#TODO: the first argument must go, split into a $npc->reply_to ( method
1819	sub cf::object::player::reply($$$;$) {	2421	sub cf::object::player::reply($$$;$) {
…		…
1821		2423
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2424	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2425
1824	if ($self->{record_replies}) {	2426	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2427	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2428
1826	} else {	2429	} else {
		2430	my $pl = $self->contr;
		2431
		2432	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2433	my $dialog = $pl->{npc_dialog};
		2434	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2435
		2436	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2437	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2438	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2439	}
1829	}	2440	}
		2441	}
		2442
		2443	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2444
		2445	=cut
		2446
		2447	sub cf::object::send_msg {
		2448	my $pl = shift->contr
		2449	or return;
		2450	$pl->send_msg (@_);
1830	}	2451	}
1831		2452
1832	=item $player_object->may ("access")	2453	=item $player_object->may ("access")
1833		2454
1834	Returns wether the given player is authorized to access resource "access"	2455	Returns wether the given player is authorized to access resource "access"
…		…
1847		2468
1848	=item $player_object->enter_link	2469	=item $player_object->enter_link
1849		2470
1850	Freezes the player and moves him/her to a special map (C<{link}>).	2471	Freezes the player and moves him/her to a special map (C<{link}>).
1851		2472
1852	The player should be reasonably safe there for short amounts of time. You	2473	The player should be reasonably safe there for short amounts of time (e.g.
1853	I<MUST> call C<leave_link> as soon as possible, though.	2474	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2475	though, as the palyer cannot control the character while it is on the link
		2476	map.
1854		2477
1855	Will never block.	2478	Will never block.
1856		2479
1857	=item $player_object->leave_link ($map, $x, $y)	2480	=item $player_object->leave_link ($map, $x, $y)
1858		2481
…		…
1881	$self->deactivate_recursive;	2504	$self->deactivate_recursive;
1882		2505
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2506	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2507
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2508	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2509	if $self->map && $self->map->{path} ne "{link}";
1887		2510
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2511	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2512	}
1890		2513
1891	sub cf::object::player::leave_link {	2514	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2515	my ($self, $map, $x, $y) = @_;
		2516
		2517	return unless $self->contr->active;
1893		2518
1894	my $link_pos = delete $self->{_link_pos};	2519	my $link_pos = delete $self->{_link_pos};
1895		2520
1896	unless ($map) {	2521	unless ($map) {
1897	# restore original map position	2522	# restore original map position
…		…
1911	# use -1 or undef as default coordinates, not 0, 0	2536	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2537	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2538	if $x <=0 && $y <= 0;
1914		2539
1915	$map->load;	2540	$map->load;
1916	$map->load_diag;	2541	$map->load_neighbours;
1917		2542
1918	return unless $self->contr->active;	2543	return unless $self->contr->active;
		2544	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1919	$self->activate_recursive;	2545	$self->activate_recursive;
1920		2546
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2547	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2548	$self->enter_map ($map, $x, $y);
1923	}	2549	}
1924		2550
1925	cf::player->attach (	2551	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2552
1929	# abort map switching before logout	2553	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2554	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2555	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2556	the new (success) or old (failed) map position. In either case, $done will
1933	};	2557	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2558
1939	# try to abort aborted map switching on player login :)	2559	Note that $check will be called with a potentially non-loaded map, so if
1940	# should happen only on crashes	2560	it needs a loaded map it has to call C<< ->load >>.
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956		2561
1957	=item $player_object->goto ($path, $x, $y)
1958
1959	=cut	2562	=cut
		2563
		2564	our $GOTOGEN;
1960		2565
1961	sub cf::object::player::goto {	2566	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2567	my ($self, $path, $x, $y, $check, $done) = @_;
		2568
		2569	# do generation counting so two concurrent goto's will be executed in-order
		2570	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2571
1964	$self->enter_link;	2572	$self->enter_link;
1965		2573
1966	(async {	2574	(async {
		2575	$Coro::current->{desc} = "player::goto $path $x $y";
		2576
		2577	# *tag paths override both path and x|y
		2578	if ($path =~ /^\*(.*)$/) {
		2579	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2580	my $ob = $obs[rand @obs];
		2581
		2582	# see if we actually can go there
		2583	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2584	$ob = $obs[rand @obs];
		2585	} else {
		2586	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588	# else put us there anyways for now #d#
		2589
		2590	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2591	} else {
		2592	($path, $x, $y) = (undef, undef, undef);
		2593	}
		2594	}
		2595
1967	my $map = eval {	2596	my $map = eval {
1968	my $map = cf::map::find $path;	2597	my $map = defined $path ? cf::map::find $path : undef;
		2598
		2599	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2600	$map = $map->customise_for ($self);
		2601	$map = $check->($map) if $check && $map;
		2602	} else {
		2603	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2604	}
		2605
1970	$map	2606	$map
		2607	};
		2608
		2609	if ($@) {
		2610	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2611	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2612	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2613
		2614	if ($gen == $self->{_goto_generation}) {
		2615	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2616	$self->leave_link ($map, $x, $y);
		2617	}
		2618
		2619	$done->() if $done;
1975	})->prio (1);	2620	})->prio (1);
1976	}	2621	}
1977		2622
1978	=item $player_object->enter_exit ($exit_object)	2623	=item $player_object->enter_exit ($exit_object)
1979		2624
…		…
1999	}	2644	}
2000		2645
2001	sub prepare_random_map {	2646	sub prepare_random_map {
2002	my ($exit) = @_;	2647	my ($exit) = @_;
2003		2648
2004	my $guard = cf::lock_acquire "exit_prepare:$exit";
2005
2006	# all this does is basically replace the /! path by	2649	# all this does is basically replace the /! path by
2007	# a new random map path (?random/...) with a seed	2650	# a new random map path (?random/...) with a seed
2008	# that depends on the exit object	2651	# that depends on the exit object
2009		2652
2010	my $rmp = parse_random_map_params $exit->msg;	2653	my $rmp = parse_random_map_params $exit->msg;
…		…
2012	if ($exit->map) {	2655	if ($exit->map) {
2013	$rmp->{region} = $exit->region->name;	2656	$rmp->{region} = $exit->region->name;
2014	$rmp->{origin_map} = $exit->map->path;	2657	$rmp->{origin_map} = $exit->map->path;
2015	$rmp->{origin_x} = $exit->x;	2658	$rmp->{origin_x} = $exit->x;
2016	$rmp->{origin_y} = $exit->y;	2659	$rmp->{origin_y} = $exit->y;
		2660
		2661	$exit->map->touch;
2017	}	2662	}
2018		2663
2019	$rmp->{random_seed} ||= $exit->random_seed;	2664	$rmp->{random_seed} ||= $exit->random_seed;
2020		2665
2021	my $data = cf::to_json $rmp;	2666	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2022	my $md5 = Digest::MD5::md5_hex $data;	2667	my $md5 = Digest::MD5::md5_hex $data;
2023	my $meta = "$RANDOMDIR/$md5.meta";	2668	my $meta = "$RANDOMDIR/$md5.meta";
2024		2669
2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2670	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026	aio_write $fh, 0, (length $data), $data, 0;	2671	aio_write $fh, 0, (length $data), $data, 0;
2027	undef $fh;	2672	undef $fh;
2028	aio_rename "$meta~", $meta;	2673	aio_rename "$meta~", $meta;
2029		2674
		2675	my $slaying = "?random/$md5";
		2676
		2677	if ($exit->valid) {
2030	$exit->slaying ("?random/$md5");	2678	$exit->slaying ("?random/$md5");
2031	$exit->msg (undef);	2679	$exit->msg (undef);
		2680	}
2032	}	2681	}
2033	}	2682	}
2034		2683
2035	sub cf::object::player::enter_exit {	2684	sub cf::object::player::enter_exit {
2036	my ($self, $exit) = @_;	2685	my ($self, $exit) = @_;
2037		2686
2038	return unless $self->type == cf::PLAYER;	2687	return unless $self->type == cf::PLAYER;
2039		2688
2040	if ($exit->slaying eq "/!") {
2041	#TODO: this should de-fi-ni-te-ly not be a sync-job
2042	# the problem is that $exit might not survive long enough
2043	# so it needs to be done right now, right here
2044	cf::sync_job { prepare_random_map $exit };
2045	}
2046
2047	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2048	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;
2050
2051	$self->enter_link;	2689	$self->enter_link;
2052		2690
2053	(async {	2691	(async {
2054	$self->deactivate_recursive; # just to be sure	2692	$Coro::current->{desc} = "enter_exit";
		2693
2055	unless (eval {	2694	unless (eval {
		2695	$self->deactivate_recursive; # just to be sure
		2696
		2697	# random map handling
		2698	{
		2699	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2700
		2701	prepare_random_map $exit
		2702	if $exit->slaying eq "/!";
		2703	}
		2704
		2705	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2706	my $x = $exit->stats->hp;
		2707	my $y = $exit->stats->sp;
		2708
2056	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($map, $x, $y);
2057		2710
		2711	# if exit is damned, update players death & WoR home-position
		2712	$self->contr->savebed ($map, $x, $y)
		2713	if $exit->flag (cf::FLAG_DAMNED);
		2714
2058	1;	2715	1
2059	}) {	2716	}) {
2060	$self->message ("Something went wrong deep within the crossfire server. "	2717	$self->message ("Something went wrong deep within the deliantra server. "
2061	. "I'll try to bring you back to the map you were before. "	2718	. "I'll try to bring you back to the map you were before. "
2062	. "Please report this to the dungeon master!",	2719	. "Please report this to the dungeon master!",
2063	cf::NDI_UNIQUE | cf::NDI_RED);	2720	cf::NDI_UNIQUE | cf::NDI_RED);
2064		2721
2065	warn "ERROR in enter_exit: $@";	2722	warn "ERROR in enter_exit: $@";
…		…
2084		2741
2085	utf8::encode $text;	2742	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2743	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2744	}
2088		2745
		2746	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2747
		2748	Send a drawinfo or msg packet to the client, formatting the msg for the
		2749	client if neccessary. C<$type> should be a string identifying the type of
		2750	the message, with C<log> being the default. If C<$color> is negative, suppress
		2751	the message unless the client supports the msg packet.
		2752
		2753	=cut
		2754
		2755	# non-persistent channels (usually the info channel)
		2756	our %CHANNEL = (
		2757	"c/identify" => {
		2758	id => "infobox",
		2759	title => "Identify",
		2760	reply => undef,
		2761	tooltip => "Items recently identified",
		2762	},
		2763	"c/examine" => {
		2764	id => "infobox",
		2765	title => "Examine",
		2766	reply => undef,
		2767	tooltip => "Signs and other items you examined",
		2768	},
		2769	"c/book" => {
		2770	id => "infobox",
		2771	title => "Book",
		2772	reply => undef,
		2773	tooltip => "The contents of a note or book",
		2774	},
		2775	"c/lookat" => {
		2776	id => "infobox",
		2777	title => "Look",
		2778	reply => undef,
		2779	tooltip => "What you saw there",
		2780	},
		2781	"c/who" => {
		2782	id => "infobox",
		2783	title => "Players",
		2784	reply => undef,
		2785	tooltip => "Shows players who are currently online",
		2786	},
		2787	"c/body" => {
		2788	id => "infobox",
		2789	title => "Body Parts",
		2790	reply => undef,
		2791	tooltip => "Shows which body parts you posess and are available",
		2792	},
		2793	"c/skills" => {
		2794	id => "infobox",
		2795	title => "Skills",
		2796	reply => undef,
		2797	tooltip => "Shows your experience per skill and item power",
		2798	},
		2799	"c/uptime" => {
		2800	id => "infobox",
		2801	title => "Uptime",
		2802	reply => undef,
		2803	tooltip => "How long the server has been running since last restart",
		2804	},
		2805	"c/mapinfo" => {
		2806	id => "infobox",
		2807	title => "Map Info",
		2808	reply => undef,
		2809	tooltip => "Information related to the maps",
		2810	},
		2811	"c/party" => {
		2812	id => "party",
		2813	title => "Party",
		2814	reply => "gsay ",
		2815	tooltip => "Messages and chat related to your party",
		2816	},
		2817	);
		2818
		2819	sub cf::client::send_msg {
		2820	my ($self, $channel, $msg, $color, @extra) = @_;
		2821
		2822	$msg = $self->pl->expand_cfpod ($msg)
		2823	unless $color & cf::NDI_VERBATIM;
		2824
		2825	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2826
		2827	# check predefined channels, for the benefit of C
		2828	if ($CHANNEL{$channel}) {
		2829	$channel = $CHANNEL{$channel};
		2830
		2831	$self->ext_msg (channel_info => $channel)
		2832	if $self->can_msg;
		2833
		2834	$channel = $channel->{id};
		2835
		2836	} elsif (ref $channel) {
		2837	# send meta info to client, if not yet sent
		2838	unless (exists $self->{channel}{$channel->{id}}) {
		2839	$self->{channel}{$channel->{id}} = $channel;
		2840	$self->ext_msg (channel_info => $channel)
		2841	if $self->can_msg;
		2842	}
		2843
		2844	$channel = $channel->{id};
		2845	}
		2846
		2847	return unless @extra || length $msg;
		2848
		2849	if ($self->can_msg) {
		2850	# default colour, mask it out
		2851	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2852	if $color & cf::NDI_DEF;
		2853
		2854	my $pkt = "msg "
		2855	. $self->{json_coder}->encode (
		2856	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2857	);
		2858
		2859	# try lzf for large packets
		2860	$pkt = "lzf " . Compress::LZF::compress $pkt
		2861	if 1024 <= length $pkt and $self->{can_lzf};
		2862
		2863	# split very large packets
		2864	if (8192 < length $pkt and $self->{can_lzf}) {
		2865	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2866	$pkt = "frag";
		2867	}
		2868
		2869	$self->send_packet ($pkt);
		2870	} else {
		2871	if ($color >= 0) {
		2872	# replace some tags by gcfclient-compatible ones
		2873	for ($msg) {
		2874	1 while
		2875	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2876	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2877	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2878	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2879	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2880	}
		2881
		2882	$color &= cf::NDI_COLOR_MASK;
		2883
		2884	utf8::encode $msg;
		2885
		2886	if (0 && $msg =~ /\[/) {
		2887	# COMMAND/INFO
		2888	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2889	} else {
		2890	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2891	$self->send_packet ("drawinfo $color $msg")
		2892	}
		2893	}
		2894	}
		2895	}
		2896
2089	=item $client->ext_event ($type, %msg)	2897	=item $client->ext_msg ($type, @msg)
2090		2898
2091	Sends an exti event to the client.	2899	Sends an ext event to the client.
2092		2900
2093	=cut	2901	=cut
2094		2902
2095	sub cf::client::ext_event($$%) {	2903	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	2904	my ($self, $type, @msg) = @_;
2097		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	2909	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
2100	}	2930	}
2101		2931
2102	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
2103		2933
2104	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2935	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2936	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		2937
2108	Queries can fail, so check the return code. Or don't, as queries will become	2938	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	2939	become reliable at some point in the future.
2110		2940
2111	=cut	2941	=cut
2112		2942
2113	sub cf::client::query {	2943	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2952	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2954
2125	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
2127	}	2959	}
2128		2960
2129	cf::client->attach (	2961	cf::client->attach (
		2962	on_connect => sub {
		2963	my ($ns) = @_;
		2964
		2965	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2966	},
2130	on_reply => sub {	2967	on_reply => sub {
2131	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
2132		2969
2133	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
2134	# get handled first	2971	# get handled first
…		…
2146	} else {	2983	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	2985	}
2149	}	2986	}
2150	},	2987	},
		2988	on_exticmd => sub {
		2989	my ($ns, $buf) = @_;
		2990
		2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2992
		2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
		3001	if (my $cb = $EXTICMD{$type}) {
		3002	@reply = $cb->($ns, @payload);
		3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
		3008	} else {
		3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3010	}
		3011
		3012	cf::override;
		3013	},
2151	);	3014	);
2152		3015
2153	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
2154		3017
2155	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
2196	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2198		3061
2199	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2200		3063
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2202		3069
2203	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2204		3071
2205	=pod	3072	=pod
2206		3073
2207	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2208		3075
2209	cf::object contr pay_amount pay_player map	3076	cf::object
		3077	contr pay_amount pay_player map x y force_find force_add destroy
		3078	insert remove name archname title slaying race decrease split
		3079
2210	cf::object::player player	3080	cf::object::player
2211	cf::player peaceful	3081	player
2212	cf::map trigger	3082
		3083	cf::player
		3084	peaceful
		3085
		3086	cf::map
		3087	trigger
2213		3088
2214	=cut	3089	=cut
2215		3090
2216	for (	3091	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	3092	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3093	insert remove inv nrof name archname title slaying race
		3094	decrease split destroy change_exp)],
2218	["cf::object::player" => qw(player)],	3095	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	3096	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	3097	["cf::map" => qw(trigger)],
2221	) {	3098	) {
2222	no strict 'refs';	3099	no strict 'refs';
…		…
2293	=back	3170	=back
2294		3171
2295	=cut	3172	=cut
2296		3173
2297	#############################################################################	3174	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	3175	# the server's init and main functions
2473		3176
2474	sub load_facedata($) {	3177	sub load_facedata($) {
2475	my ($path) = @_;	3178	my ($path) = @_;
		3179
		3180	# HACK to clear player env face cache, we need some signal framework
		3181	# for this (global event?)
		3182	%ext::player_env::MUSIC_FACE_CACHE = ();
		3183
		3184	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2476		3185
2477	warn "loading facedata from $path\n";	3186	warn "loading facedata from $path\n";
2478		3187
2479	my $facedata;	3188	my $facedata;
2480	0 < aio_load $path, $facedata	3189	0 < aio_load $path, $facedata
…		…
2483	$facedata = Coro::Storable::thaw $facedata;	3192	$facedata = Coro::Storable::thaw $facedata;
2484		3193
2485	$facedata->{version} == 2	3194	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	3195	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		3196
		3197	# patch in the exptable
		3198	$facedata->{resource}{"res/exp_table"} = {
		3199	type => FT_RSRC,
		3200	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3201	};
		3202	cf::cede_to_tick;
		3203
2488	{	3204	{
2489	my $faces = $facedata->{faceinfo};	3205	my $faces = $facedata->{faceinfo};
2490		3206
2491	while (my ($face, $info) = each %$faces) {	3207	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3208	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3209
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3210	cf::face::set_visibility $idx, $info->{visibility};
		3211	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3212	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3213	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496	Coro::cede;	3214
		3215	cf::cede_to_tick;
2497	}	3216	}
2498		3217
2499	while (my ($face, $info) = each %$faces) {	3218	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3219	next unless $info->{smooth};
		3220
2501	my $idx = cf::face::find $face	3221	my $idx = cf::face::find $face
2502	or next;	3222	or next;
		3223
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3224	if (my $smooth = cf::face::find $info->{smooth}) {
		3225	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3226	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3227	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3228	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3229	}
2508	Coro::cede;	3230
		3231	cf::cede_to_tick;
2509	}	3232	}
2510	}	3233	}
2511		3234
2512	{	3235	{
2513	my $anims = $facedata->{animinfo};	3236	my $anims = $facedata->{animinfo};
2514		3237
2515	while (my ($anim, $info) = each %$anims) {	3238	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3239	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3240	cf::cede_to_tick;
2518	}	3241	}
2519		3242
2520	cf::anim::invalidate_all; # d'oh	3243	cf::anim::invalidate_all; # d'oh
2521	}	3244	}
2522		3245
		3246	{
		3247	# TODO: for gcfclient pleasure, we should give resources
		3248	# that gcfclient doesn't grok a >10000 face index.
		3249	my $res = $facedata->{resource};
		3250
		3251	while (my ($name, $info) = each %$res) {
		3252	if (defined $info->{type}) {
		3253	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3254	my $data;
		3255
		3256	if ($info->{type} & 1) {
		3257	# prepend meta info
		3258
		3259	my $meta = $enc->encode ({
		3260	name => $name,
		3261	%{ $info->{meta} || {} },
		3262	});
		3263
		3264	$data = pack "(w/a*)*", $meta, $info->{data};
		3265	} else {
		3266	$data = $info->{data};
		3267	}
		3268
		3269	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3270	cf::face::set_type $idx, $info->{type};
		3271	} else {
		3272	$RESOURCE{$name} = $info;
		3273	}
		3274
		3275	cf::cede_to_tick;
		3276	}
		3277	}
		3278
		3279	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3280
2523	1	3281	1
2524	}	3282	}
2525		3283
		3284	cf::global->attach (on_resource_update => sub {
		3285	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3286	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3287
		3288	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3289	my $sound = $soundconf->{compat}[$_]
		3290	or next;
		3291
		3292	my $face = cf::face::find "sound/$sound->[1]";
		3293	cf::sound::set $sound->[0] => $face;
		3294	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3295	}
		3296
		3297	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3298	my $face = cf::face::find "sound/$v";
		3299	cf::sound::set $k => $face;
		3300	}
		3301	}
		3302	});
		3303
		3304	register_exticmd fx_want => sub {
		3305	my ($ns, $want) = @_;
		3306
		3307	while (my ($k, $v) = each %$want) {
		3308	$ns->fx_want ($k, $v);
		3309	}
		3310	};
		3311
		3312	sub load_resource_file($) {
		3313	my $guard = lock_acquire "load_resource_file";
		3314
		3315	my $status = load_resource_file_ $_[0];
		3316	get_slot 0.1, 100;
		3317	cf::arch::commit_load;
		3318
		3319	$status
		3320	}
		3321
2526	sub reload_regions {	3322	sub reload_regions {
		3323	# HACK to clear player env face cache, we need some signal framework
		3324	# for this (global event?)
		3325	%ext::player_env::MUSIC_FACE_CACHE = ();
		3326
2527	load_resource_file "$MAPDIR/regions"	3327	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3328	or die "unable to load regions file\n";
		3329
		3330	for (cf::region::list) {
		3331	$_->{match} = qr/$_->{match}/
		3332	if exists $_->{match};
		3333	}
2529	}	3334	}
2530		3335
2531	sub reload_facedata {	3336	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3337	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3338	or die "unable to load facedata\n";
…		…
2544	}	3349	}
2545		3350
2546	sub reload_resources {	3351	sub reload_resources {
2547	warn "reloading resource files...\n";	3352	warn "reloading resource files...\n";
2548		3353
2549	reload_regions;
2550	reload_facedata;	3354	reload_facedata;
2551	reload_archetypes;	3355	reload_archetypes;
		3356	reload_regions;
2552	reload_treasures;	3357	reload_treasures;
2553		3358
2554	warn "finished reloading resource files\n";	3359	warn "finished reloading resource files\n";
2555	}	3360	}
2556		3361
2557	sub init {	3362	sub reload_config {
2558	reload_resources;
2559	}
2560
2561	sub cfg_load {
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3363	open my $fh, "<:utf8", "$CONFDIR/config"
2563	or return;	3364	or return;
2564		3365
2565	local $/;	3366	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;	3367	*CFG = YAML::Load <$fh>;
2567		3368
2568	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3369	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2569		3370
2570	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3371	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2571	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3372	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2577	};	3378	};
2578	warn $@ if $@;	3379	warn $@ if $@;
2579	}	3380	}
2580	}	3381	}
2581		3382
		3383	sub pidfile() {
		3384	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3385	or die "$PIDFILE: $!";
		3386	flock $fh, &Fcntl::LOCK_EX
		3387	or die "$PIDFILE: flock: $!";
		3388	$fh
		3389	}
		3390
		3391	# make sure only one server instance is running at any one time
		3392	sub atomic {
		3393	my $fh = pidfile;
		3394
		3395	my $pid = <$fh>;
		3396	kill 9, $pid if $pid > 0;
		3397
		3398	seek $fh, 0, 0;
		3399	print $fh $$;
		3400	}
		3401
2582	sub main {	3402	sub main {
		3403	cf::init_globals; # initialise logging
		3404
		3405	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3406	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3407	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3408	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3409
		3410	cf::init_experience;
		3411	cf::init_anim;
		3412	cf::init_attackmess;
		3413	cf::init_dynamic;
		3414	cf::init_block;
		3415
		3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3417
2583	# we must not ever block the main coroutine	3418	# we must not ever block the main coroutine
2584	local $Coro::idle = sub {	3419	local $Coro::idle = sub {
2585	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3420	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586	(async {	3421	(async {
2587	Event::one_event;	3422	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3423	EV::loop EV::LOOP_ONESHOT;
2588	})->prio (Coro::PRIO_MAX);	3424	})->prio (Coro::PRIO_MAX);
2589	};	3425	};
2590		3426
2591	cfg_load;	3427	evthread_start IO::AIO::poll_fileno;
		3428
		3429	cf::sync_job {
		3430	reload_resources;
		3431	reload_config;
2592	db_init;	3432	db_init;
		3433
		3434	cf::load_settings;
		3435	cf::load_materials;
		3436	cf::init_uuid;
		3437	cf::init_signals;
		3438	cf::init_commands;
		3439	cf::init_skills;
		3440
		3441	cf::init_beforeplay;
		3442
		3443	atomic;
		3444
2593	load_extensions;	3445	load_extensions;
2594		3446
2595	$TICK_WATCHER->start;	3447	utime time, time, $RUNTIMEFILE;
		3448
		3449	# no (long-running) fork's whatsoever before this point(!)
		3450	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3451
		3452	(pop @POST_INIT)->(0) while @POST_INIT;
		3453	};
		3454
2596	Event::loop;	3455	EV::loop;
2597	}	3456	}
2598		3457
2599	#############################################################################	3458	#############################################################################
2600	# initialisation and cleanup	3459	# initialisation and cleanup
2601		3460
2602	# install some emergency cleanup handlers	3461	# install some emergency cleanup handlers
2603	BEGIN {	3462	BEGIN {
		3463	our %SIGWATCHER = ();
2604	for my $signal (qw(INT HUP TERM)) {	3464	for my $signal (qw(INT HUP TERM)) {
2605	Event->signal (	3465	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	signal => $signal,
2609	prio => 0,
2610	cb => sub {
2611	cf::cleanup "SIG$signal";	3466	cf::cleanup "SIG$signal";
2612	},
2613	);	3467	};
		3468	}
		3469	}
		3470
		3471	sub write_runtime_sync {
		3472	# first touch the runtime file to show we are still running:
		3473	# the fsync below can take a very very long time.
		3474
		3475	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3476
		3477	my $guard = cf::lock_acquire "write_runtime";
		3478
		3479	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3480	or return;
		3481
		3482	my $value = $cf::RUNTIME + 90 + 10;
		3483	# 10 is the runtime save interval, for a monotonic clock
		3484	# 60 allows for the watchdog to kill the server.
		3485
		3486	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3487	and return;
		3488
		3489	# always fsync - this file is important
		3490	aio_fsync $fh
		3491	and return;
		3492
		3493	# touch it again to show we are up-to-date
		3494	aio_utime $fh, undef, undef;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3500	and return;
		3501
		3502	warn "runtime file written.\n";
		3503
2614	}	3504	1
		3505	}
		3506
		3507	our $uuid_lock;
		3508	our $uuid_skip;
		3509
		3510	sub write_uuid_sync($) {
		3511	$uuid_skip ||= $_[0];
		3512
		3513	return if $uuid_lock;
		3514	local $uuid_lock = 1;
		3515
		3516	my $uuid = "$LOCALDIR/uuid";
		3517
		3518	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3519	or return;
		3520
		3521	my $value = uuid_seq uuid_cur;
		3522
		3523	unless ($value) {
		3524	warn "cowardly refusing to write zero uuid value!\n";
		3525	return;
		3526	}
		3527
		3528	my $value = uuid_str $value + $uuid_skip;
		3529	$uuid_skip = 0;
		3530
		3531	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3532	and return;
		3533
		3534	# always fsync - this file is important
		3535	aio_fsync $fh
		3536	and return;
		3537
		3538	close $fh
		3539	or return;
		3540
		3541	aio_rename "$uuid~", $uuid
		3542	and return;
		3543
		3544	warn "uuid file written ($value).\n";
		3545
		3546	1
		3547
		3548	}
		3549
		3550	sub write_uuid($$) {
		3551	my ($skip, $sync) = @_;
		3552
		3553	$sync ? write_uuid_sync $skip
		3554	: async { write_uuid_sync $skip };
2615	}	3555	}
2616		3556
2617	sub emergency_save() {	3557	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3558	my $freeze_guard = cf::freeze_mainloop;
2619		3559
…		…
2625	# and maps saved/destroyed asynchronously.	3565	# and maps saved/destroyed asynchronously.
2626	warn "begin emergency player save\n";	3566	warn "begin emergency player save\n";
2627	for my $login (keys %cf::PLAYER) {	3567	for my $login (keys %cf::PLAYER) {
2628	my $pl = $cf::PLAYER{$login} or next;	3568	my $pl = $cf::PLAYER{$login} or next;
2629	$pl->valid or next;	3569	$pl->valid or next;
		3570	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630	$pl->save;	3571	$pl->save;
2631	}	3572	}
2632	warn "end emergency player save\n";	3573	warn "end emergency player save\n";
2633		3574
2634	warn "begin emergency map save\n";	3575	warn "begin emergency map save\n";
…		…
2640	warn "end emergency map save\n";	3581	warn "end emergency map save\n";
2641		3582
2642	warn "begin emergency database checkpoint\n";	3583	warn "begin emergency database checkpoint\n";
2643	BDB::db_env_txn_checkpoint $DB_ENV;	3584	BDB::db_env_txn_checkpoint $DB_ENV;
2644	warn "end emergency database checkpoint\n";	3585	warn "end emergency database checkpoint\n";
		3586
		3587	warn "begin write uuid\n";
		3588	write_uuid_sync 1;
		3589	warn "end write uuid\n";
2645	};	3590	};
2646		3591
2647	warn "leave emergency perl save\n";	3592	warn "leave emergency perl save\n";
2648	}	3593	}
2649		3594
2650	sub post_cleanup {	3595	sub post_cleanup {
2651	my ($make_core) = @_;	3596	my ($make_core) = @_;
2652		3597
2653	warn Carp::longmess "post_cleanup backtrace"	3598	warn Carp::longmess "post_cleanup backtrace"
2654	if $make_core;	3599	if $make_core;
		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		3603	}
		3604
		3605	# a safer delete_package, copied from Symbol
		3606	sub clear_package($) {
		3607	my $pkg = shift;
		3608
		3609	# expand to full symbol table name if needed
		3610	unless ($pkg =~ /^main::.*::$/) {
		3611	$pkg = "main$pkg" if $pkg =~ /^::/;
		3612	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3613	$pkg .= '::' unless $pkg =~ /::$/;
		3614	}
		3615
		3616	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3617	my $stem_symtab = *{$stem}{HASH};
		3618
		3619	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3620	or return;
		3621
		3622	# clear all symbols
		3623	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3624	for my $name (keys %$leaf_symtab) {
		3625	_gv_clear *{"$pkg$name"};
		3626	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3627	}
		3628	warn "cleared package $pkg\n";#d#
2655	}	3629	}
2656		3630
2657	sub do_reload_perl() {	3631	sub do_reload_perl() {
2658	# can/must only be called in main	3632	# can/must only be called in main
2659	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
2660	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
2661	return;	3635	return;
2662	}	3636	}
2663		3637
		3638	return if $RELOAD++;
		3639
		3640	while ($RELOAD) {
2664	warn "reloading...";	3641	warn "reloading...";
2665		3642
2666	warn "entering sync_job";	3643	warn "entering sync_job";
2667		3644
2668	cf::sync_job {	3645	cf::sync_job {
2669	cf::write_runtime; # external watchdog should not bark	3646	cf::write_runtime_sync; # external watchdog should not bark
2670	cf::emergency_save;	3647	cf::emergency_save;
2671	cf::write_runtime; # external watchdog should not bark	3648	cf::write_runtime_sync; # external watchdog should not bark
2672		3649
2673	warn "syncing database to disk";	3650	warn "syncing database to disk";
2674	BDB::db_env_txn_checkpoint $DB_ENV;	3651	BDB::db_env_txn_checkpoint $DB_ENV;
2675		3652
2676	# if anything goes wrong in here, we should simply crash as we already saved	3653	# if anything goes wrong in here, we should simply crash as we already saved
2677		3654
2678	warn "cancelling all WF_AUTOCANCEL watchers";
2679	for (Event::all_watchers) {
2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2681	}
2682
2683	warn "flushing outstanding aio requests";	3655	warn "flushing outstanding aio requests";
2684	for (;;) {
2685	BDB::flush;
2686	IO::AIO::flush;
2687	Coro::cede;
2688	last unless IO::AIO::nreqs || BDB::nreqs;	3656	while (IO::AIO::nreqs || BDB::nreqs) {
2689	warn "iterate...";	3657	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2690	}
2691
2692	++$RELOAD;
2693
2694	warn "cancelling all extension coros";
2695	$_->cancel for values %EXT_CORO;
2696	%EXT_CORO = ();
2697
2698	warn "removing commands";
2699	%COMMAND = ();
2700
2701	warn "removing ext commands";
2702	%EXTCMD = ();
2703
2704	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";
2707
2708	if (my $cb = $pkg->can ("unload")) {
2709	eval {
2710	$cb->($pkg);
2711	1
2712	} or warn "$pkg unloaded, but with errors: $@";
2713	}	3658	}
2714		3659
2715	warn "... nuking $pkg";	3660	warn "cancelling all extension coros";
2716	Symbol::delete_package $pkg;	3661	$_->cancel for values %EXT_CORO;
2717	}	3662	%EXT_CORO = ();
2718		3663
2719	warn "unloading all perl modules loaded from $LIBDIR";	3664	warn "removing commands";
2720	while (my ($k, $v) = each %INC) {	3665	%COMMAND = ();
2721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2722		3666
		3667	warn "removing ext/exti commands";
		3668	%EXTCMD = ();
		3669	%EXTICMD = ();
		3670
		3671	warn "unloading/nuking all extensions";
		3672	for my $pkg (@EXTS) {
2723	warn "... unloading $k";	3673	warn "... unloading $pkg";
2724	delete $INC{$k};
2725		3674
2726	$k =~ s/\.pm$//;
2727	$k =~ s/\//::/g;
2728
2729	if (my $cb = $k->can ("unload_module")) {	3675	if (my $cb = $pkg->can ("unload")) {
		3676	eval {
2730	$cb->();	3677	$cb->($pkg);
		3678	1
		3679	} or warn "$pkg unloaded, but with errors: $@";
		3680	}
		3681
		3682	warn "... clearing $pkg";
		3683	clear_package $pkg;
2731	}	3684	}
2732		3685
2733	Symbol::delete_package $k;	3686	warn "unloading all perl modules loaded from $LIBDIR";
		3687	while (my ($k, $v) = each %INC) {
		3688	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3689
		3690	warn "... unloading $k";
		3691	delete $INC{$k};
		3692
		3693	$k =~ s/\.pm$//;
		3694	$k =~ s/\//::/g;
		3695
		3696	if (my $cb = $k->can ("unload_module")) {
		3697	$cb->();
		3698	}
		3699
		3700	clear_package $k;
2734	}	3701	}
2735		3702
2736	warn "getting rid of safe::, as good as possible";	3703	warn "getting rid of safe::, as good as possible";
2737	Symbol::delete_package "safe::$_"	3704	clear_package "safe::$_"
2738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3705	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2739		3706
2740	warn "unloading cf.pm \"a bit\"";	3707	warn "unloading cf.pm \"a bit\"";
2741	delete $INC{"cf.pm"};	3708	delete $INC{"cf.pm"};
2742	delete $INC{"cf/pod.pm"};	3709	delete $INC{"cf/pod.pm"};
2743		3710
2744	# don't, removes xs symbols, too,	3711	# don't, removes xs symbols, too,
2745	# and global variables created in xs	3712	# and global variables created in xs
2746	#Symbol::delete_package __PACKAGE__;	3713	#clear_package __PACKAGE__;
2747		3714
2748	warn "unload completed, starting to reload now";	3715	warn "unload completed, starting to reload now";
2749		3716
2750	warn "reloading cf.pm";	3717	warn "reloading cf.pm";
2751	require cf;	3718	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3719	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753		3720
2754	warn "loading config and database again";	3721	warn "loading config and database again";
2755	cf::cfg_load;	3722	cf::reload_config;
2756		3723
2757	warn "loading extensions";	3724	warn "loading extensions";
2758	cf::load_extensions;	3725	cf::load_extensions;
2759		3726
2760	warn "reattaching attachments to objects/players";	3727	warn "reattaching attachments to objects/players";
2761	_global_reattach; # objects, sockets	3728	_global_reattach; # objects, sockets
2762	warn "reattaching attachments to maps";	3729	warn "reattaching attachments to maps";
2763	reattach $_ for values %MAP;	3730	reattach $_ for values %MAP;
2764	warn "reattaching attachments to players";	3731	warn "reattaching attachments to players";
2765	reattach $_ for values %PLAYER;	3732	reattach $_ for values %PLAYER;
2766		3733
		3734	warn "running post_load";
		3735	(pop @POST_INIT)->(1) while @POST_INIT;
		3736
2767	warn "leaving sync_job";	3737	warn "leaving sync_job";
2768		3738
2769	1	3739	1
2770	} or do {	3740	} or do {
2771	warn $@;	3741	warn $@;
2772	warn "error while reloading, exiting.";	3742	cf::cleanup "error while reloading, exiting.";
2773	exit 1;
2774	};	3743	};
2775		3744
2776	warn "reloaded";	3745	warn "reloaded";
		3746	--$RELOAD;
		3747	}
2777	};	3748	};
2778		3749
2779	our $RELOAD_WATCHER; # used only during reload	3750	our $RELOAD_WATCHER; # used only during reload
2780		3751
2781	sub reload_perl() {	3752	sub reload_perl() {
2782	# doing reload synchronously and two reloads happen back-to-back,	3753	# doing reload synchronously and two reloads happen back-to-back,
2783	# coro crashes during coro_state_free->destroy here.	3754	# coro crashes during coro_state_free->destroy here.
2784		3755
2785	$RELOAD_WATCHER ||= Event->timer (	3756	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
2786	reentrant => 0,
2787	after => 0,
2788	data => WF_AUTOCANCEL,
2789	cb => sub {
2790	do_reload_perl;	3757	do_reload_perl;
2791	undef $RELOAD_WATCHER;	3758	undef $RELOAD_WATCHER;
2792	},
2793	);	3759	};
2794	}	3760	}
2795		3761
2796	register_command "reload" => sub {	3762	register_command "reload" => sub {
2797	my ($who, $arg) = @_;	3763	my ($who, $arg) = @_;
2798		3764
2799	if ($who->flag (FLAG_WIZ)) {	3765	if ($who->flag (FLAG_WIZ)) {
2800	$who->message ("reloading server.");	3766	$who->message ("reloading server.");
		3767	async {
		3768	$Coro::current->{desc} = "perl_reload";
2801	async { reload_perl };	3769	reload_perl;
		3770	};
2802	}	3771	}
2803	};	3772	};
2804		3773
2805	unshift @INC, $LIBDIR;	3774	unshift @INC, $LIBDIR;
2806		3775
…		…
2808		3777
2809	our @WAIT_FOR_TICK;	3778	our @WAIT_FOR_TICK;
2810	our @WAIT_FOR_TICK_BEGIN;	3779	our @WAIT_FOR_TICK_BEGIN;
2811		3780
2812	sub wait_for_tick {	3781	sub wait_for_tick {
2813	return unless $TICK_WATCHER->is_active;
2814	return if $Coro::current == $Coro::main;	3782	return if tick_inhibit || $Coro::current == $Coro::main;
2815		3783
2816	my $signal = new Coro::Signal;	3784	my $signal = new Coro::Signal;
2817	push @WAIT_FOR_TICK, $signal;	3785	push @WAIT_FOR_TICK, $signal;
2818	$signal->wait;	3786	$signal->wait;
2819	}	3787	}
2820		3788
2821	sub wait_for_tick_begin {	3789	sub wait_for_tick_begin {
2822	return unless $TICK_WATCHER->is_active;
2823	return if $Coro::current == $Coro::main;	3790	return if tick_inhibit || $Coro::current == $Coro::main;
2824		3791
2825	my $signal = new Coro::Signal;	3792	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	3793	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	3794	$signal->wait;
2828	}	3795	}
2829		3796
2830	$TICK_WATCHER = Event->timer (	3797	sub tick {
2831	reentrant => 0,
2832	parked => 1,
2833	prio => 0,
2834	at => $NEXT_TICK || $TICK,
2835	data => WF_AUTOCANCEL,
2836	cb => sub {
2837	if ($Coro::current != $Coro::main) {	3798	if ($Coro::current != $Coro::main) {
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3799	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3800	unless ++$bug_warning > 10;
2840	return;	3801	return;
2841	}	3802	}
2842		3803
2843	$NOW = Event::time;
2844
2845	cf::server_tick; # one server iteration	3804	cf::server_tick; # one server iteration
2846		3805
2847	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;
2849
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3806	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851	$NEXT_RUNTIME_WRITE = $NOW + 10;	3807	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852	Coro::async_pool {	3808	Coro::async_pool {
		3809	$Coro::current->{desc} = "runtime saver";
2853	write_runtime	3810	write_runtime_sync
2854	or warn "ERROR: unable to write runtime file: $!";	3811	or warn "ERROR: unable to write runtime file: $!";
2855	};
2856	}	3812	};
		3813	}
2857		3814
2858	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#
2860
2861	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;
2866
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3815	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868	$sig->send;	3816	$sig->send;
2869	}	3817	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {	3818	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;	3819	$sig->send;
2872	}
2873
2874	_post_tick;
2875	},	3820	}
2876	);	3821
		3822	$LOAD = ($NOW - $TICK_START) / $TICK;
		3823	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3824
		3825	if (0) {
		3826	if ($NEXT_TICK) {
		3827	my $jitter = $TICK_START - $NEXT_TICK;
		3828	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3829	warn "jitter $JITTER\n";#d#
		3830	}
		3831	}
		3832	}
2877		3833
2878	{	3834	{
2879	BDB::max_poll_time $TICK * 0.1;	3835	# configure BDB
2880	$BDB_POLL_WATCHER = Event->io (	3836
2881	reentrant => 0,
2882	fd => BDB::poll_fileno,
2883	poll => 'r',
2884	prio => 0,
2885	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,
2887	);
2888	BDB::min_parallel 8;	3837	BDB::min_parallel 8;
2889		3838	BDB::max_poll_reqs $TICK * 0.1;
2890	BDB::set_sync_prepare {	3839	$AnyEvent::BDB::WATCHER->priority (1);
2891	my $status;
2892	my $current = $Coro::current;
2893	(
2894	sub {
2895	$status = $!;
2896	$current->ready; undef $current;
2897	},
2898	sub {
2899	Coro::schedule while defined $current;
2900	$! = $status;
2901	},
2902	)
2903	};
2904		3840
2905	unless ($DB_ENV) {	3841	unless ($DB_ENV) {
2906	$DB_ENV = BDB::db_env_create;	3842	$DB_ENV = BDB::db_env_create;
		3843	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3844	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3845	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3846	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3847	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907		3848
2908	cf::sync_job {	3849	cf::sync_job {
2909	eval {	3850	eval {
2910	BDB::db_env_open	3851	BDB::db_env_open
2911	$DB_ENV,	3852	$DB_ENV,
…		…
2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3854	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3855	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	3856	0666;
2916		3857
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3858	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920	$DB_ENV->set_lk_detect;
2921	};	3859	};
2922		3860
2923	cf::cleanup "db_env_open(db): $@" if $@;	3861	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	3862	};
2925	}	3863	}
		3864
		3865	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3866	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3867	};
		3868	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3869	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3870	};
		3871	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3872	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3873	};
2926	}	3874	}
2927		3875
2928	{	3876	{
		3877	# configure IO::AIO
		3878
2929	IO::AIO::min_parallel 8;	3879	IO::AIO::min_parallel 8;
2930
2931	undef $Coro::AIO::WATCHER;
2932	IO::AIO::max_poll_time $TICK * 0.1;	3880	IO::AIO::max_poll_time $TICK * 0.1;
2933	$AIO_POLL_WATCHER = Event->io (	3881	undef $AnyEvent::AIO::WATCHER;
2934	reentrant => 0,
2935	data => WF_AUTOCANCEL,
2936	fd => IO::AIO::poll_fileno,
2937	poll => 'r',
2938	prio => 6,
2939	cb => \&IO::AIO::poll_cb,
2940	);
2941	}	3882	}
2942		3883
2943	my $_log_backtrace;	3884	my $_log_backtrace;
2944		3885
2945	sub _log_backtrace {	3886	sub _log_backtrace {
…		…
2948	$msg =~ s/\n//;	3889	$msg =~ s/\n//;
2949		3890
2950	# limit the # of concurrent backtraces	3891	# limit the # of concurrent backtraces
2951	if ($_log_backtrace < 2) {	3892	if ($_log_backtrace < 2) {
2952	++$_log_backtrace;	3893	++$_log_backtrace;
		3894	my $perl_bt = Carp::longmess $msg;
2953	async {	3895	async {
		3896	$Coro::current->{desc} = "abt $msg";
		3897
2954	my @bt = fork_call {	3898	my @bt = fork_call {
2955	@addr = map { sprintf "%x", $_ } @addr;	3899	@addr = map { sprintf "%x", $_ } @addr;
2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3900	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3901	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958	or die "addr2line: $!";	3902	or die "addr2line: $!";
…		…
2966	}	3910	}
2967		3911
2968	@funcs	3912	@funcs
2969	};	3913	};
2970		3914
2971	LOG llevInfo, "[ABT] $msg\n";	3915	LOG llevInfo, "[ABT] $perl_bt\n";
		3916	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2972	LOG llevInfo, "[ABT] $_\n" for @bt;	3917	LOG llevInfo, "[ABT] $_\n" for @bt;
2973	--$_log_backtrace;	3918	--$_log_backtrace;
2974	};	3919	};
2975	} else {	3920	} else {
2976	LOG llevInfo, "[ABT] $msg\n";	3921	LOG llevInfo, "[ABT] $msg\n";

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