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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.254 by root, Thu Apr 19 11:12:45 2007 UTC vs.
Revision 1.452 by root, Tue Sep 23 00:24:52 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 $TICK_START; # for load detecting purposes
		132
95	binmode STDOUT;	133	binmode STDOUT;
96	binmode STDERR;	134	binmode STDERR;
97		135
98	# read virtual server time, if available	136	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	138	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
103	}	141	}
104		142
105	mkdir $_	143	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
139		177
140	=item $cf::TICK	178	=item $cf::TICK
141		179
142	The interval between server ticks, in seconds.	180	The interval between server ticks, in seconds.
143		181
		182	=item $cf::LOADAVG
		183
		184	The current CPU load on the server (alpha-smoothed), as a value between 0
		185	(none) and 1 (overloaded), indicating how much time is spent on processing
		186	objects per tick. Healthy values are < 0.5.
		187
		188	=item $cf::LOAD
		189
		190	The raw value load value from the last tick.
		191
144	=item %cf::CFG	192	=item %cf::CFG
145		193
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	195	from wherever your confdir points to.
148		196
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		198
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	199	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	200	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.	201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		202
		203	=item @cf::INVOKE_RESULTS
		204
		205	This array contains the results of the last C<invoke ()> call. When
		206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		207	that call.
		208
155	=back	209	=back
156		210
157	=cut	211	=cut
158		212
159	BEGIN {	213	BEGIN {
…		…
161	my $msg = join "", @_;	215	my $msg = join "", @_;
162		216
163	$msg .= "\n"	217	$msg .= "\n"
164	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
165		219
166	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		221
168	utf8::encode $msg;
169	LOG llevError, $msg;	222	LOG llevError, $msg;
170	};	223	};
171	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
172		240
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	245	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		246	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	247	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		248
180	# we bless all objects into (empty) derived classes to force a method lookup	249	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	250	# within the Safe compartment.
182	for my $pkg (qw(	251	for my $pkg (qw(
183	cf::global cf::attachable	252	cf::global cf::attachable
184	cf::object cf::object::player	253	cf::object cf::object::player
185	cf::client cf::player	254	cf::client cf::player
186	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
187	cf::map cf::party cf::region	257	cf::party cf::region
188	)) {	258	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	260	}
192		261
193	$Event::DIED = sub {	262	$EV::DIED = sub {
194	warn "error in event callback: @_";	263	warn "error in event callback: @_";
195	};	264	};
		265
		266	#############################################################################
196		267
197	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
198		269
199	=over 4	270	=over 4
200		271
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	291	$d
221	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
222	}	293	}
223		294
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
227		296
228	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
229		298
230	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
231		300
232	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
		302
		303	=cut
		304
		305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		306
		307	sub encode_json($) { $json_coder->encode ($_[0]) }
		308	sub decode_json($) { $json_coder->decode ($_[0]) }
233		309
234	=item cf::lock_wait $string	310	=item cf::lock_wait $string
235		311
236	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
237		313
…		…
240	Wait until the given lock is available and then acquires it and returns	316	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,	317	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	318	for example when the coroutine gets canceled), the lock is automatically
243	returned.	319	returned.
244		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
245	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
247		326
248	=item $locked = cf::lock_active $string	327	=item $locked = cf::lock_active $string
249		328
250	Return true if the lock is currently active, i.e. somebody has locked it.	329	Return true if the lock is currently active, i.e. somebody has locked it.
251		330
252	=cut	331	=cut
253		332
254	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
255		335
256	sub lock_wait($) {	336	sub lock_wait($) {
257	my ($key) = @_;	337	my ($key) = @_;
258		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
		343
259	# wait for lock, if any	344	# wait for lock, if any
260	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
		346	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
261	push @{ $LOCK{$key} }, $Coro::current;	347	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	348	Coro::schedule;
263	}	349	}
264	}	350	}
265		351
…		…
268		354
269	# wait, to be sure we are not locked	355	# wait, to be sure we are not locked
270	lock_wait $key;	356	lock_wait $key;
271		357
272	$LOCK{$key} = [];	358	$LOCK{$key} = [];
		359	$LOCKER{$key} = $Coro::current;#d#
273		360
274	Coro::guard {	361	Coro::guard {
		362	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	363	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	364	$_->ready for @{ delete $LOCK{$key} };
277	}	365	}
278	}	366	}
279		367
…		…
282		370
283	! ! $LOCK{$key}	371	! ! $LOCK{$key}
284	}	372	}
285		373
286	sub freeze_mainloop {	374	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	375	tick_inhibit_inc;
288		376
289	my $guard = Coro::guard {	377	Coro::guard \&tick_inhibit_dec;
290	$TICK_WATCHER->start;	378	}
		379
		380	=item cf::periodic $interval, $cb
		381
		382	Like EV::periodic, but randomly selects a starting point so that the actions
		383	get spread over timer.
		384
		385	=cut
		386
		387	sub periodic($$) {
		388	my ($interval, $cb) = @_;
		389
		390	my $start = rand List::Util::min 180, $interval;
		391
		392	EV::periodic $start, $interval, 0, $cb
		393	}
		394
		395	=item cf::get_slot $time[, $priority[, $name]]
		396
		397	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		398	This call blocks and returns only when you have at least C<$time> seconds
		399	of cpu time till the next tick. The slot is only valid till the next cede.
		400
		401	The optional C<$name> can be used to identify the job to run. It might be
		402	used for statistical purposes and should identify the same time-class.
		403
		404	Useful for short background jobs.
		405
		406	=cut
		407
		408	our @SLOT_QUEUE;
		409	our $SLOT_QUEUE;
		410
		411	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		412	$SLOT_QUEUE = Coro::async {
		413	$Coro::current->desc ("timeslot manager");
		414
		415	my $signal = new Coro::Signal;
		416
		417	while () {
		418	next_job:
		419	my $avail = cf::till_tick;
		420	if ($avail > 0.01) {
		421	for (0 .. $#SLOT_QUEUE) {
		422	if ($SLOT_QUEUE[$_][0] < $avail) {
		423	my $job = splice @SLOT_QUEUE, $_, 1, ();
		424	$job->[2]->send;
		425	Coro::cede;
		426	goto next_job;
		427	}
		428	}
		429	}
		430
		431	if (@SLOT_QUEUE) {
		432	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		433	push @cf::WAIT_FOR_TICK, $signal;
		434	$signal->wait;
		435	} else {
		436	Coro::schedule;
		437	}
291	};	438	}
292	$TICK_WATCHER->stop;	439	};
293	$guard	440
		441	sub get_slot($;$$) {
		442	return if tick_inhibit || $Coro::current == $Coro::main;
		443
		444	my ($time, $pri, $name) = @_;
		445
		446	$time = $TICK * .6 if $time > $TICK * .6;
		447	my $sig = new Coro::Signal;
		448
		449	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		450	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		451	$SLOT_QUEUE->ready;
		452	$sig->wait;
294	}	453	}
295		454
296	=item cf::async { BLOCK }	455	=item cf::async { BLOCK }
297		456
298	Currently the same as Coro::async_pool, meaning you cannot use	457	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		462
304	BEGIN { *async = \&Coro::async_pool }	463	BEGIN { *async = \&Coro::async_pool }
305		464
306	=item cf::sync_job { BLOCK }	465	=item cf::sync_job { BLOCK }
307		466
308	The design of crossfire+ requires that the main coro ($Coro::main) is	467	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	468	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	469	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		470	acceptable.
311		471
312	If it must be done, put the blocking parts into C<sync_job>. This will run	472	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	473	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	474	server will be frozen during this time, so the block should either finish
315	fast or be very important.	475	fast or be very important.
…		…
318		478
319	sub sync_job(&) {	479	sub sync_job(&) {
320	my ($job) = @_;	480	my ($job) = @_;
321		481
322	if ($Coro::current == $Coro::main) {	482	if ($Coro::current == $Coro::main) {
		483	my $time = EV::time;
		484
323	# this is the main coro, too bad, we have to block	485	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	486	# till the operation succeeds, freezing the server :/
325		487
326	# TODO: use suspend/resume instead	488	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	489
328	my $freeze_guard = freeze_mainloop;	490	my $freeze_guard = freeze_mainloop;
329		491
330	my $busy = 1;	492	my $busy = 1;
331	my @res;	493	my @res;
332		494
333	(async {	495	(async {
		496	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	497	@res = eval { $job->() };
335	warn $@ if $@;	498	warn $@ if $@;
336	undef $busy;	499	undef $busy;
337	})->prio (Coro::PRIO_MAX);	500	})->prio (Coro::PRIO_MAX);
338		501
339	while ($busy) {	502	while ($busy) {
340	Coro::cede or Event::one_event;	503	if (Coro::nready) {
		504	Coro::cede_notself;
		505	} else {
		506	EV::loop EV::LOOP_ONESHOT;
341	}	507	}
		508	}
		509
		510	my $time = EV::time - $time;
		511
		512	$TICK_START += $time; # do not account sync jobs to server load
342		513
343	wantarray ? @res : $res[0]	514	wantarray ? @res : $res[0]
344	} else {	515	} else {
345	# we are in another coroutine, how wonderful, everything just works	516	# we are in another coroutine, how wonderful, everything just works
346		517
…		…
366	$EXT_CORO{$coro+0} = $coro;	537	$EXT_CORO{$coro+0} = $coro;
367		538
368	$coro	539	$coro
369	}	540	}
370		541
371	sub write_runtime {	542	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		543
374	my $runtime = "$LOCALDIR/runtime";	544	Executes the given code block with the given arguments in a seperate
		545	process, returning the results. Everything must be serialisable with
		546	Coro::Storable. May, of course, block. Note that the executed sub may
		547	never block itself or use any form of event handling.
375		548
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	549	=cut
377	or return;
378		550
379	my $value = $cf::RUNTIME + 90 + 10;	551	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	552	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		553
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	554	# we seemingly have to make a local copy of the whole thing,
384	and return;	555	# otherwise perl prematurely frees the stuff :/
		556	# TODO: investigate and fix (likely this will be rather laborious)
385		557
386	# always fsync - this file is important	558	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	559	reset_signals;
388	and return;	560	&$cb
		561	}, @args;
389		562
390	close $fh	563	wantarray ? @res : $res[-1]
391	or return;	564	}
392		565
393	aio_rename "$runtime~", $runtime	566	=item $coin = coin_from_name $name
394	and return;
395		567
		568	=cut
		569
		570	our %coin_alias = (
		571	"silver" => "silvercoin",
		572	"silvercoin" => "silvercoin",
		573	"silvercoins" => "silvercoin",
		574	"gold" => "goldcoin",
		575	"goldcoin" => "goldcoin",
		576	"goldcoins" => "goldcoin",
		577	"platinum" => "platinacoin",
		578	"platinumcoin" => "platinacoin",
		579	"platinumcoins" => "platinacoin",
		580	"platina" => "platinacoin",
		581	"platinacoin" => "platinacoin",
		582	"platinacoins" => "platinacoin",
		583	"royalty" => "royalty",
		584	"royalties" => "royalty",
		585	);
		586
		587	sub coin_from_name($) {
		588	$coin_alias{$_[0]}
		589	? cf::arch::find $coin_alias{$_[0]}
		590	: undef
		591	}
		592
		593	=item $value = cf::db_get $family => $key
		594
		595	Returns a single value from the environment database.
		596
		597	=item cf::db_put $family => $key => $value
		598
		599	Stores the given C<$value> in the family. It can currently store binary
		600	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		601
		602	=item $db = cf::db_table "name"
		603
		604	Create and/or open a new database table. The string must not be "db" and must be unique
		605	within each server.
		606
		607	=cut
		608
		609	sub db_table($) {
		610	my ($name) = @_;
		611	my $db = BDB::db_create $DB_ENV;
		612
		613	eval {
		614	$db->set_flags (BDB::CHKSUM);
		615
		616	utf8::encode $name;
		617	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		618	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		619	cf::cleanup "db_open(db): $!" if $!;
		620	};
		621	cf::cleanup "db_open(db): $@" if $@;
		622
		623	$db
		624	}
		625
		626	our $DB;
		627
		628	sub db_init {
		629	cf::sync_job {
		630	$DB ||= db_table "db";
		631	};
		632	}
		633
		634	sub db_get($$) {
		635	my $key = "$_[0]/$_[1]";
		636
		637	cf::sync_job {
		638	BDB::db_get $DB, undef, $key, my $data;
		639
		640	$! ? ()
		641	: $data
396	1	642	}
		643	}
		644
		645	sub db_put($$$) {
		646	BDB::dbreq_pri 4;
		647	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		648	}
		649
		650	=item cf::cache $id => [$paths...], $processversion => $process
		651
		652	Generic caching function that returns the value of the resource $id,
		653	caching and regenerating as required.
		654
		655	This function can block.
		656
		657	=cut
		658
		659	sub cache {
		660	my ($id, $src, $processversion, $process) = @_;
		661
		662	my $meta =
		663	join "\x00",
		664	$processversion,
		665	map {
		666	aio_stat $_
		667	and Carp::croak "$_: $!";
		668
		669	($_, (stat _)[7,9])
		670	} @$src;
		671
		672	my $dbmeta = db_get cache => "$id/meta";
		673	if ($dbmeta ne $meta) {
		674	# changed, we may need to process
		675
		676	my @data;
		677	my $md5;
		678
		679	for (0 .. $#$src) {
		680	0 <= aio_load $src->[$_], $data[$_]
		681	or Carp::croak "$src->[$_]: $!";
		682	}
		683
		684	# if processing is expensive, check
		685	# checksum first
		686	if (1) {
		687	$md5 =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	cf::cede_to_tick;
		692	($src->[$_], Digest::MD5::md5_hex $data[$_])
		693	} 0.. $#$src;
		694
		695
		696	my $dbmd5 = db_get cache => "$id/md5";
		697	if ($dbmd5 eq $md5) {
		698	db_put cache => "$id/meta", $meta;
		699
		700	return db_get cache => "$id/data";
		701	}
		702	}
		703
		704	my $t1 = Time::HiRes::time;
		705	my $data = $process->(\@data);
		706	my $t2 = Time::HiRes::time;
		707
		708	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		709
		710	db_put cache => "$id/data", $data;
		711	db_put cache => "$id/md5" , $md5;
		712	db_put cache => "$id/meta", $meta;
		713
		714	return $data;
		715	}
		716
		717	db_get cache => "$id/data"
397	}	718	}
398		719
399	=item cf::datalog type => key => value, ...	720	=item cf::datalog type => key => value, ...
400		721
401	Log a datalog packet of the given type with the given key-value pairs.	722	Log a datalog packet of the given type with the given key-value pairs.
…		…
413		734
414	#############################################################################	735	#############################################################################
415		736
416	=head2 ATTACHABLE OBJECTS	737	=head2 ATTACHABLE OBJECTS
417		738
418	Many objects in crossfire are so-called attachable objects. That means you can	739	Many objects in deliantra are so-called attachable objects. That means you can
419	attach callbacks/event handlers (a collection of which is called an "attachment")	740	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	741	to it. All such attachable objects support the following methods.
421		742
422	In the following description, CLASS can be any of C<global>, C<object>	743	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	744	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	745	Deliantra).
425		746
426	=over 4	747	=over 4
427		748
428	=item $attachable->attach ($attachment, key => $value...)	749	=item $attachable->attach ($attachment, key => $value...)
429		750
…		…
473	=item cf::CLASS::attachment $name, ...	794	=item cf::CLASS::attachment $name, ...
474		795
475	Register an attachment by C<$name> through which attachable objects of the	796	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	797	given CLASS can refer to this attachment.
477		798
478	Some classes such as crossfire maps and objects can specify attachments	799	Some classes such as deliantra maps and objects can specify attachments
479	that are attached at load/instantiate time, thus the need for a name.	800	that are attached at load/instantiate time, thus the need for a name.
480		801
481	These calls expect any number of the following handler/hook descriptions:	802	These calls expect any number of the following handler/hook descriptions:
482		803
483	=over 4	804	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	913	$registry = $CB_TYPE[$object_type] ||= [];
593		914
594	} elsif ($type eq "subtype") {	915	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	916	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	917	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	918	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		919
599	} elsif ($type eq "package") {	920	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	921	my $pkg = shift @arg;
601		922
602	while (my ($name, $id) = each %cb_id) {	923	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	952	_attach $registry, $klass, @attach;
632	}	953	}
633		954
634	$obj->{$name} = \%arg;	955	$obj->{$name} = \%arg;
635	} else {	956	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	957	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	958	}
638		959
639	$obj->{_attachment}{$name} = undef;	960	$obj->{_attachment}{$name} = undef;
640	}	961	}
641		962
…		…
643	if (ref $_[0]) {	964	if (ref $_[0]) {
644	_object_attach @_;	965	_object_attach @_;
645	} else {	966	} else {
646	_attach shift->_attach_registry, @_;	967	_attach shift->_attach_registry, @_;
647	}	968	}
		969	_recalc_want;
648	};	970	};
649		971
650	# all those should be optimised	972	# all those should be optimised
651	sub cf::attachable::detach {	973	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	977	delete $obj->{_attachment}{$name};
656	reattach ($obj);	978	reattach ($obj);
657	} else {	979	} else {
658	Carp::croak "cannot, currently, detach class attachments";	980	Carp::croak "cannot, currently, detach class attachments";
659	}	981	}
		982	_recalc_want;
660	};	983	};
661		984
662	sub cf::attachable::attached {	985	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	986	my ($obj, $name) = @_;
664		987
…		…
679	";	1002	";
680	die if $@;	1003	die if $@;
681	}	1004	}
682		1005
683	our $override;	1006	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1007	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1008
686	sub override {	1009	sub override {
687	$override = 1;	1010	$override = 1;
688	@invoke_results = ();	1011	@INVOKE_RESULTS = (@_);
689	}	1012	}
690		1013
691	sub do_invoke {	1014	sub do_invoke {
692	my $event = shift;	1015	my $event = shift;
693	my $callbacks = shift;	1016	my $callbacks = shift;
694		1017
695	@invoke_results = ();	1018	@INVOKE_RESULTS = ();
696		1019
697	local $override;	1020	local $override;
698		1021
699	for (@$callbacks) {	1022	for (@$callbacks) {
700	eval { &{$_->[1]} };	1023	eval { &{$_->[1]} };
…		…
709	}	1032	}
710		1033
711	0	1034	0
712	}	1035	}
713		1036
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1038
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1039	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1040
718	Generate an object-specific event with the given arguments.	1041	Generate an object-specific event with the given arguments.
719		1042
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1043	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	1044	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1045	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1046
724	=back	1047	=back
725		1048
726	=cut	1049	=cut
727		1050
728	#############################################################################	1051	#############################################################################
729	# object support	1052	# object support
		1053
		1054	sub _object_equal($$);
		1055	sub _object_equal($$) {
		1056	my ($a, $b) = @_;
		1057
		1058	return 0 unless (ref $a) eq (ref $b);
		1059
		1060	if ("HASH" eq ref $a) {
		1061	my @ka = keys %$a;
		1062	my @kb = keys %$b;
		1063
		1064	return 0 if @ka != @kb;
		1065
		1066	for (0 .. $#ka) {
		1067	return 0 unless $ka[$_] eq $kb[$_];
		1068	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1069	}
		1070
		1071	} elsif ("ARRAY" eq ref $a) {
		1072
		1073	return 0 if @$a != @$b;
		1074
		1075	for (0 .. $#$a) {
		1076	return 0 unless _object_equal $a->[$_], $b->[$_];
		1077	}
		1078
		1079	} elsif ($a ne $b) {
		1080	return 0;
		1081	}
		1082
		1083	1
		1084	}
		1085
		1086	our $SLOW_MERGES;#d#
		1087	sub _can_merge {
		1088	my ($ob1, $ob2) = @_;
		1089
		1090	++$SLOW_MERGES;#d#
		1091
		1092	# we do the slow way here
		1093	return _object_equal $ob1, $ob2
		1094	}
730		1095
731	sub reattach {	1096	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1097	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1098	my ($obj) = @_;
734		1099
		1100	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1101	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1102
737	my $registry = $obj->registry;	1103	my $registry = $obj->registry;
738		1104
739	@$registry = ();	1105	@$registry = ();
740		1106
…		…
755	cf::attachable->attach (	1121	cf::attachable->attach (
756	prio => -1000000,	1122	prio => -1000000,
757	on_instantiate => sub {	1123	on_instantiate => sub {
758	my ($obj, $data) = @_;	1124	my ($obj, $data) = @_;
759		1125
760	$data = from_json $data;	1126	$data = decode_json $data;
761		1127
762	for (@$data) {	1128	for (@$data) {
763	my ($name, $args) = @$_;	1129	my ($name, $args) = @$_;
764		1130
765	$obj->attach ($name, %{$args || {} });	1131	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1147	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1148	my ($filename, $rdata, $objs) = @_;
783		1149
784	sync_job {	1150	sync_job {
785	if (length $$rdata) {	1151	if (length $$rdata) {
		1152	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1153	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1154	$decname, length $$rdata, scalar @$objs;
788		1155
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1158	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1159	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1160	aio_close $fh;
794		1161
795	if (@$objs) {	1162	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1167	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1168	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1169	aio_rename "$filename.pst~", "$filename.pst";
803	}	1170	}
804	} else {	1171	} else {
805	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
806	}	1173	}
…		…
811	}	1178	}
812	} else {	1179	} else {
813	aio_unlink $filename;	1180	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
815	}	1182	}
816	}	1183	};
817	}	1184	}
818		1185
819	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
821		1188
…		…
833	or return;	1200	or return;
834		1201
835	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
837	or return;	1204	or return;
		1205
838	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
839	}	1208	}
840		1209
		1210	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1212	$decname, length $data, scalar @{$av || []};
		1213
843	return ($data, $av);	1214	($data, $av)
844	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
845		1222
846	#############################################################################	1223	#############################################################################
847	# command handling &c	1224	# command handling &c
848		1225
849	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1240	}
864		1241
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1243
867	Register a callbackf ro execution when the client sends an extcmd packet.	1244	Register a callback for execution when the client sends an (synchronous)
		1245	extcmd packet. Ext commands will be processed in the order they are
		1246	received by the server, like other user commands. The first argument is
		1247	the logged-in player. Ext commands can only be processed after a player
		1248	has logged in successfully.
868		1249
869	If the callback returns something, it is sent back as if reply was being	1250	If the callback returns something, it is sent back as if reply was being
870	called.	1251	called.
871		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
872	=cut	1264	=cut
873		1265
874	sub register_extcmd {	1266	sub register_extcmd {
875	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
876		1268
877	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
		1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
878	}	1276	}
879		1277
880	cf::player->attach (	1278	cf::player->attach (
881	on_command => sub {	1279	on_command => sub {
882	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1289	cf::override;
892	},	1290	},
893	on_extcmd => sub {	1291	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
895		1293
896	my $msg = eval { from_json $buf };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1295
898	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
904	} else {	1311	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1313	}
907		1314
908	cf::override;	1315	cf::override;
909	},	1316	},
910	);	1317	);
911		1318
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1319	sub load_extensions {
		1320	cf::sync_job {
		1321	my %todo;
		1322
947	for my $ext (<$LIBDIR/*.ext>) {	1323	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1324	next unless -r $path;
949	eval {	1325
950	load_extension $ext;	1326	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1327	my $base = $1;
		1328	my $pkg = $1;
		1329	$pkg =~ s/[^[:word:]]/_/g;
		1330	$pkg = "ext::$pkg";
		1331
		1332	open my $fh, "<:utf8", $path
		1333	or die "$path: $!";
		1334
		1335	my $source = do { local $/; <$fh> };
		1336
		1337	my %ext = (
		1338	path => $path,
		1339	base => $base,
		1340	pkg => $pkg,
		1341	);
		1342
		1343	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1344	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1345
		1346	$ext{source} =
		1347	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1348	. "#line 1 \"$path\"\n{\n"
		1349	. $source
		1350	. "\n};\n1";
		1351
		1352	$todo{$base} = \%ext;
		1353	}
		1354
		1355	my %done;
		1356	while (%todo) {
		1357	my $progress;
		1358
		1359	while (my ($k, $v) = each %todo) {
		1360	for (split /,\s*/, $v->{meta}{depends}) {
		1361	goto skip
		1362	unless exists $done{$_};
		1363	}
		1364
		1365	warn "... loading '$k' into '$v->{pkg}'\n";
		1366
		1367	unless (eval $v->{source}) {
		1368	my $msg = $@ ? "$v->{path}: $@\n"
		1369	: "$v->{base}: extension inactive.\n";
		1370
		1371	if (exists $v->{meta}{mandatory}) {
		1372	warn $msg;
		1373	cf::cleanup "mandatory extension failed to load, exiting.";
		1374	}
		1375
		1376	warn $msg;
		1377	}
		1378
		1379	$done{$k} = delete $todo{$k};
		1380	push @EXTS, $v->{pkg};
		1381	$progress = 1;
951	1	1382	}
952	} or warn "$ext not loaded: $@";	1383
		1384	skip:
		1385	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1386	unless $progress;
		1387	}
953	}	1388	};
954	}	1389	}
955		1390
956	#############################################################################	1391	#############################################################################
957		1392
		1393	=back
		1394
958	=head2 CORE EXTENSIONS	1395	=head2 CORE EXTENSIONS
959		1396
960	Functions and methods that extend core crossfire objects.	1397	Functions and methods that extend core deliantra objects.
961		1398
962	=cut	1399	=cut
963		1400
964	package cf::player;	1401	package cf::player;
965		1402
966	use Coro::AIO;	1403	use Coro::AIO;
967		1404
968	=head3 cf::player	1405	=head3 cf::player
969		1406
970	=over 4	1407	=over 4
		1408
		1409	=item cf::player::num_playing
		1410
		1411	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1412
		1413	=cut
		1414
		1415	sub num_playing {
		1416	scalar grep
		1417	$_->ob->map
		1418	&& !$_->hidden
		1419	&& !$_->ob->flag (cf::FLAG_WIZ),
		1420	cf::player::list
		1421	}
971		1422
972	=item cf::player::find $login	1423	=item cf::player::find $login
973		1424
974	Returns the given player object, loading it if necessary (might block).	1425	Returns the given player object, loading it if necessary (might block).
975		1426
…		…
994		1445
995	sub exists($) {	1446	sub exists($) {
996	my ($login) = @_;	1447	my ($login) = @_;
997		1448
998	$cf::PLAYER{$login}	1449	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1450	or !aio_stat path $login
1000	}	1451	}
1001		1452
1002	sub find($) {	1453	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1454	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1455	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1462	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1463	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1464	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1465	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1466
1016	my $pl = load_pl path $login	1467	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1468	or return;
		1469
		1470	my $pl = cf::player::load_pl $f
		1471	or return;
		1472
		1473	local $cf::PLAYER_LOADING{$login} = $pl;
		1474	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1475	$cf::PLAYER{$login} = $pl
1019	}	1476	}
1020	}	1477	}
1021	}	1478	}
1022		1479
…		…
1031	return if $pl->{deny_save};	1488	return if $pl->{deny_save};
1032		1489
1033	aio_mkdir playerdir $pl, 0770;	1490	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1491	$pl->{last_save} = $cf::RUNTIME;
1035		1492
		1493	cf::get_slot 0.01;
		1494
1036	$pl->save_pl ($path);	1495	$pl->save_pl ($path);
1037	Coro::cede;	1496	cf::cede_to_tick;
1038	}	1497	}
1039		1498
1040	sub new($) {	1499	sub new($) {
1041	my ($login) = @_;	1500	my ($login) = @_;
1042		1501
…		…
1048	$cf::PLAYER{$login} = $self;	1507	$cf::PLAYER{$login} = $self;
1049		1508
1050	$self	1509	$self
1051	}	1510	}
1052		1511
		1512	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1513
		1514	=cut
		1515
		1516	sub send_msg {
		1517	my $ns = shift->ns
		1518	or return;
		1519	$ns->send_msg (@_);
		1520	}
		1521
1053	=item $pl->quit_character	1522	=item $pl->quit_character
1054		1523
1055	Nukes the player without looking back. If logged in, the connection will	1524	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1525	be destroyed. May block for a long time.
1057		1526
…		…
1061	my ($pl) = @_;	1530	my ($pl) = @_;
1062		1531
1063	my $name = $pl->ob->name;	1532	my $name = $pl->ob->name;
1064		1533
1065	$pl->{deny_save} = 1;	1534	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1535	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1536
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1537	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1538	$pl->deactivate;
		1539	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1540	$pl->ob->check_score;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1541	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1542	$pl->ns->destroy if $pl->ns;
1072		1543
1073	my $path = playerdir $pl;	1544	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1545	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1581	or return [];
1111		1582
1112	my @logins;	1583	my @logins;
1113		1584
1114	for my $login (@$dirs) {	1585	for my $login (@$dirs) {
		1586	my $path = path $login;
		1587
		1588	# a .pst is a dead give-away for a valid player
		1589	# if no pst file found, open and chekc for blocked users
		1590	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1591	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1592	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1593	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1594	}
1118		1595
1119	utf8::decode $login;	1596	utf8::decode $login;
1120	push @logins, $login;	1597	push @logins, $login;
1121	}	1598	}
1122		1599
…		…
1149	}	1626	}
1150		1627
1151	\@paths	1628	\@paths
1152	}	1629	}
1153		1630
		1631	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1632
		1633	Expand deliantra pod fragments into protocol xml.
		1634
1154	=item $player->ext_reply ($msgid, %msg)	1635	=item $player->ext_reply ($msgid, @msg)
1155		1636
1156	Sends an ext reply to the player.	1637	Sends an ext reply to the player.
1157		1638
1158	=cut	1639	=cut
1159		1640
1160	sub ext_reply($$%) {	1641	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1642	my ($self, $id, @msg) = @_;
1162		1643
1163	$msg{msgid} = $id;	1644	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1645	}
1167		1646
1168	=item $player->ext_event ($type, %msg)	1647	=item $player->ext_msg ($type, @msg)
1169		1648
1170	Sends an ext event to the client.	1649	Sends an ext event to the client.
1171		1650
1172	=cut	1651	=cut
1173		1652
1174	sub ext_event($$%) {	1653	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1654	my ($self, $type, @msg) = @_;
1176		1655
1177	$self->ns->ext_event ($type, %msg);	1656	$self->ns->ext_msg ($type, @msg);
1178	}	1657	}
1179		1658
1180	=head3 cf::region	1659	=head3 cf::region
1181		1660
1182	=over 4	1661	=over 4
…		…
1185		1664
1186	package cf::region;	1665	package cf::region;
1187		1666
1188	=item cf::region::find_by_path $path	1667	=item cf::region::find_by_path $path
1189		1668
1190	Tries to decuce the probable region for a map knowing only its path.	1669	Tries to decuce the likely region for a map knowing only its path.
1191		1670
1192	=cut	1671	=cut
1193		1672
1194	sub find_by_path($) {	1673	sub find_by_path($) {
1195	my ($path) = @_;	1674	my ($path) = @_;
1196		1675
1197	my ($match, $specificity);	1676	my ($match, $specificity);
1198		1677
1199	for my $region (list) {	1678	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1679	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1680	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1681	if $region->specificity > $specificity;
1203	}	1682	}
1204	}	1683	}
1205		1684
…		…
1226	our $MAX_RESET = 3600;	1705	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1706	our $DEFAULT_RESET = 3000;
1228		1707
1229	sub generate_random_map {	1708	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1709	my ($self, $rmp) = @_;
		1710
		1711	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1712
1231	# mit "rum" bekleckern, nicht	1713	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1714	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1715	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1716	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1717	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1269	my ($self, $merge) = @_;	1751	my ($self, $merge) = @_;
1270		1752
1271	# we have to keep some variables in memory intact	1753	# we have to keep some variables in memory intact
1272	local $self->{path};	1754	local $self->{path};
1273	local $self->{load_path};	1755	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1756
1277	$self->SUPER::thawer_merge ($merge);	1757	$self->SUPER::thawer_merge ($merge);
1278	}	1758	}
1279		1759
1280	sub normalise {	1760	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1807	$self->init; # pass $1 etc.
1328	return $self;	1808	return $self;
1329	}	1809	}
1330	}	1810	}
1331		1811
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1812	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1813	()
1334	}	1814	}
1335		1815
1336	sub init {	1816	sub init {
1337	my ($self) = @_;	1817	my ($self) = @_;
…		…
1359		1839
1360	# the temporary/swap location	1840	# the temporary/swap location
1361	sub save_path {	1841	sub save_path {
1362	my ($self) = @_;	1842	my ($self) = @_;
1363		1843
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1844	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1845	"$TMPDIR/$path.map"
1366	}	1846	}
1367		1847
1368	# the unique path, undef == no special unique path	1848	# the unique path, undef == no special unique path
1369	sub uniq_path {	1849	sub uniq_path {
1370	my ($self) = @_;	1850	my ($self) = @_;
1371		1851
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1852	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1853	"$UNIQUEDIR/$path"
1374	}	1854	}
1375		1855
1376	# and all this just because we cannot iterate over	1856	# and all this just because we cannot iterate over
1377	# all maps in C++...	1857	# all maps in C++...
…		…
1380		1860
1381	$_->change_map_light ($change)	1861	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1862	for grep $_->outdoor, values %cf::MAP;
1383	}	1863	}
1384		1864
		1865	sub decay_objects {
		1866	my ($self) = @_;
		1867
		1868	return if $self->{deny_reset};
		1869
		1870	$self->do_decay_objects;
		1871	}
		1872
1385	sub unlink_save {	1873	sub unlink_save {
1386	my ($self) = @_;	1874	my ($self) = @_;
1387		1875
1388	utf8::encode (my $save = $self->save_path);	1876	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1877	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1880
1393	sub load_header_from($) {	1881	sub load_header_from($) {
1394	my ($self, $path) = @_;	1882	my ($self, $path) = @_;
1395		1883
1396	utf8::encode $path;	1884	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1885	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1886	or return;
		1887
		1888	$self->_load_header ($f)
		1889	or return;
		1890
		1891	local $MAP_LOADING{$self->{path}} = $self;
		1892	$f->resolve_delayed_derefs;
1402		1893
1403	$self->{load_path} = $path;	1894	$self->{load_path} = $path;
1404		1895
1405	1	1896	1
1406	}	1897	}
…		…
1445	$self->load_header_orig	1936	$self->load_header_orig
1446	or return;	1937	or return;
1447	$self->prepare_orig;	1938	$self->prepare_orig;
1448	}	1939	}
1449		1940
		1941	$self->{deny_reset} = 1
		1942	if $self->no_reset;
		1943
1450	$self->default_region (cf::region::find_by_path $self->{path})	1944	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1945	unless $self->default_region;
1452		1946
1453	1	1947	1
1454	}	1948	}
…		…
1457	sub find {	1951	sub find {
1458	my ($path, $origin) = @_;	1952	my ($path, $origin) = @_;
1459		1953
1460	$path = normalise $path, $origin && $origin->path;	1954	$path = normalise $path, $origin && $origin->path;
1461		1955
		1956	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1957	cf::lock_wait "map_find:$path";
1463		1958
1464	$cf::MAP{$path} || do {	1959	$cf::MAP{$path} || do {
		1960	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1465	my $guard = cf::lock_acquire "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
		1962
1466	my $map = new_from_path cf::map $path	1963	my $map = new_from_path cf::map $path
1467	or return;	1964	or return;
1468		1965
1469	$map->{last_save} = $cf::RUNTIME;	1966	$map->{last_save} = $cf::RUNTIME;
1470		1967
1471	$map->load_header	1968	$map->load_header
1472	or return;	1969	or return;
1473		1970
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1971	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1972	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1973	#$cf::WAIT_FOR_TICK->wait;
		1974	undef $guard2;
		1975	undef $guard1;
1477	$map->reset;	1976	$map->reset;
1478	undef $guard;
1479	return find $path;	1977	return find $path;
1480	}	1978	}
1481		1979
1482	$cf::MAP{$path} = $map	1980	$cf::MAP{$path} = $map
1483	}	1981	}
…		…
1490	my ($self) = @_;	1988	my ($self) = @_;
1491		1989
1492	local $self->{deny_reset} = 1; # loading can take a long time	1990	local $self->{deny_reset} = 1; # loading can take a long time
1493		1991
1494	my $path = $self->{path};	1992	my $path = $self->{path};
		1993
		1994	{
1495	my $guard = cf::lock_acquire "map_load:$path";	1995	my $guard = cf::lock_acquire "map_data:$path";
1496		1996
		1997	return unless $self->valid;
1497	return if $self->in_memory != cf::MAP_SWAPPED;	1998	return unless $self->in_memory == cf::MAP_SWAPPED;
1498		1999
1499	$self->in_memory (cf::MAP_LOADING);	2000	$self->in_memory (cf::MAP_LOADING);
1500		2001
1501	$self->alloc;	2002	$self->alloc;
1502		2003
1503	$self->pre_load;	2004	$self->pre_load;
1504	Coro::cede;	2005	cf::cede_to_tick;
1505		2006
1506	$self->_load_objects ($self->{load_path}, 1)	2007	my $f = new_from_file cf::object::thawer $self->{load_path};
		2008	$f->skip_block;
		2009	$self->_load_objects ($f)
1507	or return;	2010	or return;
1508		2011
1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2012	$self->post_load_original
1510	if delete $self->{load_original};	2013	if delete $self->{load_original};
1511		2014
1512	if (my $uniq = $self->uniq_path) {	2015	if (my $uniq = $self->uniq_path) {
1513	utf8::encode $uniq;	2016	utf8::encode $uniq;
1514	if (aio_open $uniq, O_RDONLY, 0) {	2017	unless (aio_stat $uniq) {
		2018	if (my $f = new_from_file cf::object::thawer $uniq) {
1515	$self->clear_unique_items;	2019	$self->clear_unique_items;
1516	$self->_load_objects ($uniq, 0);	2020	$self->_load_objects ($f);
		2021	$f->resolve_delayed_derefs;
		2022	}
1517	}	2023	}
1518	}	2024	}
1519		2025
1520	Coro::cede;	2026	$f->resolve_delayed_derefs;
		2027
		2028	cf::cede_to_tick;
1521	# now do the right thing for maps	2029	# now do the right thing for maps
1522	$self->link_multipart_objects;	2030	$self->link_multipart_objects;
1523	Coro::cede;
1524
1525	unless ($self->{deny_activate}) {
1526	$self->decay_objects;
1527	$self->fix_auto_apply;
1528	$self->update_buttons;
1529	Coro::cede;
1530	$self->set_darkness_map;
1531	$self->difficulty ($self->estimate_difficulty)	2031	$self->difficulty ($self->estimate_difficulty)
1532	unless $self->difficulty;	2032	unless $self->difficulty;
1533	Coro::cede;	2033	cf::cede_to_tick;
		2034
		2035	unless ($self->{deny_activate}) {
		2036	$self->decay_objects;
		2037	$self->fix_auto_apply;
		2038	$self->update_buttons;
		2039	cf::cede_to_tick;
		2040	$self->set_darkness_map;
		2041	cf::cede_to_tick;
1534	$self->activate;	2042	$self->activate;
1535	Coro::cede;	2043	}
		2044
		2045	$self->{last_save} = $cf::RUNTIME;
		2046	$self->last_access ($cf::RUNTIME);
		2047
		2048	$self->in_memory (cf::MAP_ACTIVE);
1536	}	2049	}
1537		2050
1538	$self->post_load;	2051	$self->post_load;
1539	Coro::cede;
1540
1541	$self->in_memory (cf::MAP_IN_MEMORY);
1542	}	2052	}
1543		2053
1544	sub customise_for {	2054	sub customise_for {
1545	my ($self, $ob) = @_;	2055	my ($self, $ob) = @_;
1546		2056
1547	return find "~" . $ob->name . "/" . $self->{path}	2057	return find "~" . $ob->name . "/" . $self->{path}
1548	if $self->per_player;	2058	if $self->per_player;
1549		2059
		2060	# return find "?party/" . $ob->name . "/" . $self->{path}
		2061	# if $self->per_party;
		2062
1550	$self	2063	$self
1551	}	2064	}
1552		2065
1553	# find and load all maps in the 3x3 area around a map	2066	# find and load all maps in the 3x3 area around a map
1554	sub load_diag {	2067	sub load_neighbours {
1555	my ($map) = @_;	2068	my ($map) = @_;
1556		2069
1557	my @diag; # diagonal neighbours	2070	my @neigh; # diagonal neighbours
1558		2071
1559	for (0 .. 3) {	2072	for (0 .. 3) {
1560	my $neigh = $map->tile_path ($_)	2073	my $neigh = $map->tile_path ($_)
1561	or next;	2074	or next;
1562	$neigh = find $neigh, $map	2075	$neigh = find $neigh, $map
1563	or next;	2076	or next;
1564	$neigh->load;	2077	$neigh->load;
1565		2078
		2079	push @neigh,
1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2080	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2081	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1568	}	2082	}
1569		2083
1570	for (@diag) {	2084	for (grep defined $_->[0], @neigh) {
		2085	my ($path, $origin) = @$_;
1571	my $neigh = find @$_	2086	my $neigh = find $path, $origin
1572	or next;	2087	or next;
1573	$neigh->load;	2088	$neigh->load;
1574	}	2089	}
1575	}	2090	}
1576		2091
…		…
1581	}	2096	}
1582		2097
1583	sub do_load_sync {	2098	sub do_load_sync {
1584	my ($map) = @_;	2099	my ($map) = @_;
1585		2100
		2101	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2102	if $Coro::current == $Coro::main;
		2103
1586	cf::sync_job { $map->load };	2104	cf::sync_job { $map->load };
1587	}	2105	}
1588		2106
1589	our %MAP_PREFETCH;	2107	our %MAP_PREFETCH;
1590	our $MAP_PREFETCHER = undef;	2108	our $MAP_PREFETCHER = undef;
1591		2109
1592	sub find_async {	2110	sub find_async {
1593	my ($path, $origin) = @_;	2111	my ($path, $origin, $load) = @_;
1594		2112
1595	$path = normalise $path, $origin && $origin->{path};	2113	$path = normalise $path, $origin && $origin->{path};
1596		2114
1597	if (my $map = $cf::MAP{$path}) {	2115	if (my $map = $cf::MAP{$path}) {
1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2116	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1599	}	2117	}
1600		2118
1601	undef $MAP_PREFETCH{$path};	2119	$MAP_PREFETCH{$path} |= $load;
		2120
1602	$MAP_PREFETCHER ||= cf::async {	2121	$MAP_PREFETCHER ||= cf::async {
		2122	$Coro::current->{desc} = "map prefetcher";
		2123
1603	while (%MAP_PREFETCH) {	2124	while (%MAP_PREFETCH) {
1604	for my $path (keys %MAP_PREFETCH) {	2125	while (my ($k, $v) = each %MAP_PREFETCH) {
1605	my $map = find $path	2126	if (my $map = find $k) {
1606	or next;
1607	$map->load;	2127	$map->load if $v;
		2128	}
1608		2129
1609	delete $MAP_PREFETCH{$path};	2130	delete $MAP_PREFETCH{$k};
1610	}	2131	}
1611	}	2132	}
1612	undef $MAP_PREFETCHER;	2133	undef $MAP_PREFETCHER;
1613	};	2134	};
1614	$MAP_PREFETCHER->prio (6);	2135	$MAP_PREFETCHER->prio (6);
…		…
1617	}	2138	}
1618		2139
1619	sub save {	2140	sub save {
1620	my ($self) = @_;	2141	my ($self) = @_;
1621		2142
1622	my $lock = cf::lock_acquire "map_data:" . $self->path;	2143	my $lock = cf::lock_acquire "map_data:$self->{path}";
1623		2144
1624	$self->{last_save} = $cf::RUNTIME;	2145	$self->{last_save} = $cf::RUNTIME;
1625		2146
1626	return unless $self->dirty;	2147	return unless $self->dirty;
1627		2148
…		…
1633	return if $self->{deny_save};	2154	return if $self->{deny_save};
1634		2155
1635	local $self->{last_access} = $self->last_access;#d#	2156	local $self->{last_access} = $self->last_access;#d#
1636		2157
1637	cf::async {	2158	cf::async {
		2159	$Coro::current->{desc} = "map player save";
1638	$_->contr->save for $self->players;	2160	$_->contr->save for $self->players;
1639	};	2161	};
		2162
		2163	cf::get_slot 0.02;
1640		2164
1641	if ($uniq) {	2165	if ($uniq) {
1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1643	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1644	} else {	2168	} else {
…		…
1650	my ($self) = @_;	2174	my ($self) = @_;
1651		2175
1652	# save first because save cedes	2176	# save first because save cedes
1653	$self->save;	2177	$self->save;
1654		2178
1655	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1656		2180
1657	return if $self->players;	2181	return if $self->players;
1658	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_ACTIVE;
1659	return if $self->{deny_save};	2183	return if $self->{deny_save};
1660		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1661	$self->clear;	2189	$self->clear;
1662	$self->in_memory (cf::MAP_SWAPPED);
1663	}	2190	}
1664		2191
1665	sub reset_at {	2192	sub reset_at {
1666	my ($self) = @_;	2193	my ($self) = @_;
1667		2194
1668	# TODO: safety, remove and allow resettable per-player maps	2195	# TODO: safety, remove and allow resettable per-player maps
1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1670	return 1e99 if $self->{deny_reset};	2196	return 1e99 if $self->{deny_reset};
1671		2197
1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2199	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674		2200
…		…
1685	my ($self) = @_;	2211	my ($self) = @_;
1686		2212
1687	my $lock = cf::lock_acquire "map_data:$self->{path}";	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1688		2214
1689	return if $self->players;	2215	return if $self->players;
1690	return if $self->isa ("ext::map_per_player");#d#
1691		2216
1692	warn "resetting map ", $self->path;#d#	2217	warn "resetting map ", $self->path;
1693		2218
1694	$self->in_memory (cf::MAP_SWAPPED);	2219	$self->in_memory (cf::MAP_SWAPPED);
1695		2220
1696	# need to save uniques path	2221	# need to save uniques path
1697	unless ($self->{deny_save}) {	2222	unless ($self->{deny_save}) {
…		…
1701	if $uniq;	2226	if $uniq;
1702	}	2227	}
1703		2228
1704	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
1705		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1706	$self->clear;	2233	$self->clear;
1707
1708	$_->clear_links_to ($self) for values %cf::MAP;
1709		2234
1710	$self->unlink_save;	2235	$self->unlink_save;
1711	$self->destroy;	2236	$self->destroy;
1712	}	2237	}
1713		2238
1714	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
1715		2240
1716	sub nuke {	2241	sub nuke {
1717	my ($self) = @_;	2242	my ($self) = @_;
1718		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
1719	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
1720		2248
1721	$self->unlink_save;	2249	$self->unlink_save;
1722		2250
1723	bless $self, "cf::map";	2251	bless $self, "cf::map";
1724	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
1725	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
1726	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728		2256
1729	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
1730		2259
1731	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
		2261	}
		2262
		2263	=item $maps = cf::map::tmp_maps
		2264
		2265	Returns an arrayref with all map paths of currently instantiated and saved
		2266	maps. May block.
		2267
		2268	=cut
		2269
		2270	sub tmp_maps() {
		2271	[
		2272	map {
		2273	utf8::decode $_;
		2274	/\.map$/
		2275	? normalise $_
		2276	: ()
		2277	} @{ aio_readdir $TMPDIR or [] }
		2278	]
		2279	}
		2280
		2281	=item $maps = cf::map::random_maps
		2282
		2283	Returns an arrayref with all map paths of currently instantiated and saved
		2284	random maps. May block.
		2285
		2286	=cut
		2287
		2288	sub random_maps() {
		2289	[
		2290	map {
		2291	utf8::decode $_;
		2292	/\.map$/
		2293	? normalise "?random/$_"
		2294	: ()
		2295	} @{ aio_readdir $RANDOMDIR or [] }
		2296	]
1732	}	2297	}
1733		2298
1734	=item cf::map::unique_maps	2299	=item cf::map::unique_maps
1735		2300
1736	Returns an arrayref of paths of all shared maps that have	2301	Returns an arrayref of paths of all shared maps that have
1737	instantiated unique items. May block.	2302	instantiated unique items. May block.
1738		2303
1739	=cut	2304	=cut
1740		2305
1741	sub unique_maps() {	2306	sub unique_maps() {
1742	my $files = aio_readdir $UNIQUEDIR	2307	[
1743	or return;	2308	map {
1744
1745	my @paths;
1746
1747	for (@$files) {
1748	utf8::decode $_;	2309	utf8::decode $_;
1749	next if /\.pst$/;	2310	s/\.map$//; # TODO future compatibility hack
1750	next unless /^$PATH_SEP/o;	2311	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1751		2312	? ()
1752	push @paths, cf::map::normalise $_;	2313	: normalise $_
		2314	} @{ aio_readdir $UNIQUEDIR or [] }
1753	}	2315	]
1754
1755	\@paths
1756	}	2316	}
1757
1758	package cf;
1759		2317
1760	=back	2318	=back
1761		2319
1762	=head3 cf::object	2320	=head3 cf::object
1763		2321
…		…
1767		2325
1768	=over 4	2326	=over 4
1769		2327
1770	=item $ob->inv_recursive	2328	=item $ob->inv_recursive
1771		2329
1772	Returns the inventory of the object _and_ their inventories, recursively.	2330	Returns the inventory of the object I<and> their inventories, recursively,
		2331	but I<not> the object itself.
1773		2332
1774	=cut	2333	=cut
1775		2334
1776	sub inv_recursive_;	2335	sub inv_recursive_;
1777	sub inv_recursive_ {	2336	sub inv_recursive_ {
…		…
1780		2339
1781	sub inv_recursive {	2340	sub inv_recursive {
1782	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
1783	}	2342	}
1784		2343
		2344	=item $ref = $ob->ref
		2345
		2346	Creates and returns a persistent reference to an object that can be stored as a string.
		2347
		2348	=item $ob = cf::object::deref ($refstring)
		2349
		2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2351	even if the object actually exists. May block.
		2352
		2353	=cut
		2354
		2355	sub deref {
		2356	my ($ref) = @_;
		2357
		2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2359	my ($uuid, $name) = ($1, $2);
		2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2361	or return;
		2362	$pl->ob->uuid eq $uuid
		2363	or return;
		2364
		2365	$pl->ob
		2366	} else {
		2367	warn "$ref: cannot resolve object reference\n";
		2368	undef
		2369	}
		2370	}
		2371
1785	package cf;	2372	package cf;
1786		2373
1787	=back	2374	=back
1788		2375
1789	=head3 cf::object::player	2376	=head3 cf::object::player
…		…
1795	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2382	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1796	can be C<undef>. Does the right thing when the player is currently in a	2383	can be C<undef>. Does the right thing when the player is currently in a
1797	dialogue with the given NPC character.	2384	dialogue with the given NPC character.
1798		2385
1799	=cut	2386	=cut
		2387
		2388	our $SAY_CHANNEL = {
		2389	id => "say",
		2390	title => "Map",
		2391	reply => "say ",
		2392	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2393	};
		2394
		2395	our $CHAT_CHANNEL = {
		2396	id => "chat",
		2397	title => "Chat",
		2398	reply => "chat ",
		2399	tooltip => "Player chat and shouts, global to the server.",
		2400	};
1800		2401
1801	# rough implementation of a future "reply" method that works	2402	# rough implementation of a future "reply" method that works
1802	# with dialog boxes.	2403	# with dialog boxes.
1803	#TODO: the first argument must go, split into a $npc->reply_to ( method	2404	#TODO: the first argument must go, split into a $npc->reply_to ( method
1804	sub cf::object::player::reply($$$;$) {	2405	sub cf::object::player::reply($$$;$) {
…		…
1806		2407
1807	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808		2409
1809	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1810	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1811	} else {	2413	} else {
		2414	my $pl = $self->contr;
		2415
		2416	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2417	my $dialog = $pl->{npc_dialog};
		2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2419
		2420	} else {
1812	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1813	$self->message ($msg, $flags);	2422	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2423	}
1814	}	2424	}
		2425	}
		2426
		2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2428
		2429	=cut
		2430
		2431	sub cf::object::send_msg {
		2432	my $pl = shift->contr
		2433	or return;
		2434	$pl->send_msg (@_);
1815	}	2435	}
1816		2436
1817	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1818		2438
1819	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
1832		2452
1833	=item $player_object->enter_link	2453	=item $player_object->enter_link
1834		2454
1835	Freezes the player and moves him/her to a special map (C<{link}>).	2455	Freezes the player and moves him/her to a special map (C<{link}>).
1836		2456
1837	The player should be reasonably safe there for short amounts of time. You	2457	The player should be reasonably safe there for short amounts of time (e.g.
1838	I<MUST> call C<leave_link> as soon as possible, though.	2458	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2459	though, as the palyer cannot control the character while it is on the link
		2460	map.
1839		2461
1840	Will never block.	2462	Will never block.
1841		2463
1842	=item $player_object->leave_link ($map, $x, $y)	2464	=item $player_object->leave_link ($map, $x, $y)
1843		2465
…		…
1866	$self->deactivate_recursive;	2488	$self->deactivate_recursive;
1867		2489
1868	return if UNIVERSAL::isa $self->map, "ext::map_link";	2490	return if UNIVERSAL::isa $self->map, "ext::map_link";
1869		2491
1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2492	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871	if $self->map;	2493	if $self->map && $self->map->{path} ne "{link}";
1872		2494
1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2495	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1874	}	2496	}
1875		2497
1876	sub cf::object::player::leave_link {	2498	sub cf::object::player::leave_link {
1877	my ($self, $map, $x, $y) = @_;	2499	my ($self, $map, $x, $y) = @_;
		2500
		2501	return unless $self->contr->active;
1878		2502
1879	my $link_pos = delete $self->{_link_pos};	2503	my $link_pos = delete $self->{_link_pos};
1880		2504
1881	unless ($map) {	2505	unless ($map) {
1882	# restore original map position	2506	# restore original map position
…		…
1896	# use -1 or undef as default coordinates, not 0, 0	2520	# use -1 or undef as default coordinates, not 0, 0
1897	($x, $y) = ($map->enter_x, $map->enter_y)	2521	($x, $y) = ($map->enter_x, $map->enter_y)
1898	if $x <=0 && $y <= 0;	2522	if $x <=0 && $y <= 0;
1899		2523
1900	$map->load;	2524	$map->load;
1901	$map->load_diag;	2525	$map->load_neighbours;
1902		2526
1903	return unless $self->contr->active;	2527	return unless $self->contr->active;
		2528	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1904	$self->activate_recursive;	2529	$self->activate_recursive;
1905		2530
1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
1908	}	2533	}
1909		2534
1910	cf::player->attach (	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1911	on_logout => sub {
1912	my ($pl) = @_;
1913		2536
1914	# abort map switching before logout	2537	Moves the player to the given map-path and coordinates by first freezing
1915	if ($pl->ob->{_link_pos}) {	2538	her, loading and preparing them map, calling the provided $check callback
1916	cf::sync_job {	2539	that has to return the map if sucecssful, and then unfreezes the player on
1917	$pl->ob->leave_link	2540	the new (success) or old (failed) map position. In either case, $done will
1918	};	2541	be called at the end of this process.
1919	}
1920	},
1921	on_login => sub {
1922	my ($pl) = @_;
1923		2542
1924	# try to abort aborted map switching on player login :)	2543	Note that $check will be called with a potentially non-loaded map, so if
1925	# should happen only on crashes	2544	it needs a loaded map it has to call C<< ->load >>.
1926	if ($pl->ob->{_link_pos}) {
1927	$pl->ob->enter_link;
1928	(async {
1929	$pl->ob->reply (undef,
1930	"There was an internal problem at your last logout, "
1931	. "the server will try to bring you to your intended destination in a second.",
1932	cf::NDI_RED);
1933	# we need this sleep as the login has a concurrent enter_exit running
1934	# and this sleep increases chances of the player not ending up in scorn
1935	Coro::Timer::sleep 1;
1936	$pl->ob->leave_link;
1937	})->prio (2);
1938	}
1939	},
1940	);
1941		2545
1942	=item $player_object->goto ($path, $x, $y)
1943
1944	=cut	2546	=cut
		2547
		2548	our $GOTOGEN;
1945		2549
1946	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
1947	my ($self, $path, $x, $y) = @_;	2551	my ($self, $path, $x, $y, $check, $done) = @_;
		2552
		2553	# do generation counting so two concurrent goto's will be executed in-order
		2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948		2555
1949	$self->enter_link;	2556	$self->enter_link;
1950		2557
1951	(async {	2558	(async {
		2559	$Coro::current->{desc} = "player::goto $path $x $y";
		2560
		2561	# *tag paths override both path and x|y
		2562	if ($path =~ /^\*(.*)$/) {
		2563	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2564	my $ob = $obs[rand @obs];
		2565
		2566	# see if we actually can go there
		2567	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2568	$ob = $obs[rand @obs];
		2569	} else {
		2570	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2571	}
		2572	# else put us there anyways for now #d#
		2573
		2574	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2575	} else {
		2576	($path, $x, $y) = (undef, undef, undef);
		2577	}
		2578	}
		2579
1952	my $map = eval {	2580	my $map = eval {
1953	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
		2582
		2583	if ($map) {
1954	$map = $map->customise_for ($self) if $map;	2584	$map = $map->customise_for ($self);
		2585	$map = $check->($map) if $check && $map;
		2586	} else {
		2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	}
		2589
1955	$map	2590	$map
		2591	};
		2592
		2593	if ($@) {
		2594	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	LOG llevError | logBacktrace, Carp::longmess $@;
1956	} or	2596	}
1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958		2597
		2598	if ($gen == $self->{_goto_generation}) {
		2599	delete $self->{_goto_generation};
1959	$self->leave_link ($map, $x, $y);	2600	$self->leave_link ($map, $x, $y);
		2601	}
		2602
		2603	$done->() if $done;
1960	})->prio (1);	2604	})->prio (1);
1961	}	2605	}
1962		2606
1963	=item $player_object->enter_exit ($exit_object)	2607	=item $player_object->enter_exit ($exit_object)
1964		2608
…		…
1984	}	2628	}
1985		2629
1986	sub prepare_random_map {	2630	sub prepare_random_map {
1987	my ($exit) = @_;	2631	my ($exit) = @_;
1988		2632
1989	my $guard = cf::lock_acquire "exit_prepare:$exit";
1990
1991	# all this does is basically replace the /! path by	2633	# all this does is basically replace the /! path by
1992	# a new random map path (?random/...) with a seed	2634	# a new random map path (?random/...) with a seed
1993	# that depends on the exit object	2635	# that depends on the exit object
1994		2636
1995	my $rmp = parse_random_map_params $exit->msg;	2637	my $rmp = parse_random_map_params $exit->msg;
…		…
1997	if ($exit->map) {	2639	if ($exit->map) {
1998	$rmp->{region} = $exit->region->name;	2640	$rmp->{region} = $exit->region->name;
1999	$rmp->{origin_map} = $exit->map->path;	2641	$rmp->{origin_map} = $exit->map->path;
2000	$rmp->{origin_x} = $exit->x;	2642	$rmp->{origin_x} = $exit->x;
2001	$rmp->{origin_y} = $exit->y;	2643	$rmp->{origin_y} = $exit->y;
		2644
		2645	$exit->map->touch;
2002	}	2646	}
2003		2647
2004	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
2005		2649
2006	my $data = cf::to_json $rmp;	2650	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2007	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
2008	my $meta = "$RANDOMDIR/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
2009		2653
2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2011	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
2012	undef $fh;	2656	undef $fh;
2013	aio_rename "$meta~", $meta;	2657	aio_rename "$meta~", $meta;
2014		2658
		2659	my $slaying = "?random/$md5";
		2660
		2661	if ($exit->valid) {
2015	$exit->slaying ("?random/$md5");	2662	$exit->slaying ("?random/$md5");
2016	$exit->msg (undef);	2663	$exit->msg (undef);
		2664	}
2017	}	2665	}
2018	}	2666	}
2019		2667
2020	sub cf::object::player::enter_exit {	2668	sub cf::object::player::enter_exit {
2021	my ($self, $exit) = @_;	2669	my ($self, $exit) = @_;
2022		2670
2023	return unless $self->type == cf::PLAYER;	2671	return unless $self->type == cf::PLAYER;
2024		2672
2025	if ($exit->slaying eq "/!") {
2026	#TODO: this should de-fi-ni-te-ly not be a sync-job
2027	# the problem is that $exit might not survive long enough
2028	# so it needs to be done right now, right here
2029	cf::sync_job { prepare_random_map $exit };
2030	}
2031
2032	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2033	my $hp = $exit->stats->hp;
2034	my $sp = $exit->stats->sp;
2035
2036	$self->enter_link;	2673	$self->enter_link;
2037		2674
2038	(async {	2675	(async {
2039	$self->deactivate_recursive; # just to be sure	2676	$Coro::current->{desc} = "enter_exit";
		2677
2040	unless (eval {	2678	unless (eval {
		2679	$self->deactivate_recursive; # just to be sure
		2680
		2681	# random map handling
		2682	{
		2683	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2684
		2685	prepare_random_map $exit
		2686	if $exit->slaying eq "/!";
		2687	}
		2688
		2689	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2690	my $x = $exit->stats->hp;
		2691	my $y = $exit->stats->sp;
		2692
2041	$self->goto ($slaying, $hp, $sp);	2693	$self->goto ($map, $x, $y);
2042		2694
		2695	# if exit is damned, update players death & WoR home-position
		2696	$self->contr->savebed ($map, $x, $y)
		2697	if $exit->flag (cf::FLAG_DAMNED);
		2698
2043	1;	2699	1
2044	}) {	2700	}) {
2045	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the deliantra server. "
2046	. "I'll try to bring you back to the map you were before. "	2702	. "I'll try to bring you back to the map you were before. "
2047	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
2048	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
2049		2705
2050	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
…		…
2069		2725
2070	utf8::encode $text;	2726	utf8::encode $text;
2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2072	}	2728	}
2073		2729
		2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2731
		2732	Send a drawinfo or msg packet to the client, formatting the msg for the
		2733	client if neccessary. C<$type> should be a string identifying the type of
		2734	the message, with C<log> being the default. If C<$color> is negative, suppress
		2735	the message unless the client supports the msg packet.
		2736
		2737	=cut
		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/skills" => {
		2778	id => "infobox",
		2779	title => "Skills",
		2780	reply => undef,
		2781	tooltip => "Shows your experience per skill and item power",
		2782	},
		2783	"c/uptime" => {
		2784	id => "infobox",
		2785	title => "Uptime",
		2786	reply => undef,
		2787	tooltip => "How long the server has been running since last restart",
		2788	},
		2789	"c/mapinfo" => {
		2790	id => "infobox",
		2791	title => "Map Info",
		2792	reply => undef,
		2793	tooltip => "Information related to the maps",
		2794	},
		2795	"c/party" => {
		2796	id => "party",
		2797	title => "Party",
		2798	reply => "gsay ",
		2799	tooltip => "Messages and chat related to your party",
		2800	},
		2801	);
		2802
		2803	sub cf::client::send_msg {
		2804	my ($self, $channel, $msg, $color, @extra) = @_;
		2805
		2806	$msg = $self->pl->expand_cfpod ($msg)
		2807	unless $color & cf::NDI_VERBATIM;
		2808
		2809	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2810
		2811	# check predefined channels, for the benefit of C
		2812	if ($CHANNEL{$channel}) {
		2813	$channel = $CHANNEL{$channel};
		2814
		2815	$self->ext_msg (channel_info => $channel)
		2816	if $self->can_msg;
		2817
		2818	$channel = $channel->{id};
		2819
		2820	} elsif (ref $channel) {
		2821	# send meta info to client, if not yet sent
		2822	unless (exists $self->{channel}{$channel->{id}}) {
		2823	$self->{channel}{$channel->{id}} = $channel;
		2824	$self->ext_msg (channel_info => $channel)
		2825	if $self->can_msg;
		2826	}
		2827
		2828	$channel = $channel->{id};
		2829	}
		2830
		2831	return unless @extra || length $msg;
		2832
		2833	if ($self->can_msg) {
		2834	# default colour, mask it out
		2835	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2836	if $color & cf::NDI_DEF;
		2837
		2838	my $pkt = "msg "
		2839	. $self->{json_coder}->encode (
		2840	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2841	);
		2842
		2843	# try lzf for large packets
		2844	$pkt = "lzf " . Compress::LZF::compress $pkt
		2845	if 1024 <= length $pkt and $self->{can_lzf};
		2846
		2847	# split very large packets
		2848	if (8192 < length $pkt and $self->{can_lzf}) {
		2849	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2850	$pkt = "frag";
		2851	}
		2852
		2853	$self->send_packet ($pkt);
		2854	} else {
		2855	if ($color >= 0) {
		2856	# replace some tags by gcfclient-compatible ones
		2857	for ($msg) {
		2858	1 while
		2859	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2860	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2861	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2862	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2863	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2864	}
		2865
		2866	$color &= cf::NDI_COLOR_MASK;
		2867
		2868	utf8::encode $msg;
		2869
		2870	if (0 && $msg =~ /\[/) {
		2871	# COMMAND/INFO
		2872	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2873	} else {
		2874	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2875	$self->send_packet ("drawinfo $color $msg")
		2876	}
		2877	}
		2878	}
		2879	}
		2880
2074	=item $client->ext_event ($type, %msg)	2881	=item $client->ext_msg ($type, @msg)
2075		2882
2076	Sends an exti event to the client.	2883	Sends an ext event to the client.
2077		2884
2078	=cut	2885	=cut
2079		2886
2080	sub cf::client::ext_event($$%) {	2887	sub cf::client::ext_msg($$@) {
2081	my ($self, $type, %msg) = @_;	2888	my ($self, $type, @msg) = @_;
2082		2889
		2890	if ($self->extcmd == 2) {
		2891	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2892	} elsif ($self->extcmd == 1) { # TODO: remove
2083	$msg{msgtype} = "event_$type";	2893	push @msg, msgtype => "event_$type";
2084	$self->send_packet ("ext " . cf::to_json \%msg);	2894	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2895	}
		2896	}
		2897
		2898	=item $client->ext_reply ($msgid, @msg)
		2899
		2900	Sends an ext reply to the client.
		2901
		2902	=cut
		2903
		2904	sub cf::client::ext_reply($$@) {
		2905	my ($self, $id, @msg) = @_;
		2906
		2907	if ($self->extcmd == 2) {
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2909	} elsif ($self->extcmd == 1) {
		2910	#TODO: version 1, remove
		2911	unshift @msg, msgtype => "reply", msgid => $id;
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2913	}
2085	}	2914	}
2086		2915
2087	=item $success = $client->query ($flags, "text", \&cb)	2916	=item $success = $client->query ($flags, "text", \&cb)
2088		2917
2089	Queues a query to the client, calling the given callback with	2918	Queues a query to the client, calling the given callback with
2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2919	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2091	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2920	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092		2921
2093	Queries can fail, so check the return code. Or don't, as queries will become	2922	Queries can fail, so check the return code. Or don't, as queries will
2094	reliable at some point in the future.	2923	become reliable at some point in the future.
2095		2924
2096	=cut	2925	=cut
2097		2926
2098	sub cf::client::query {	2927	sub cf::client::query {
2099	my ($self, $flags, $text, $cb) = @_;	2928	my ($self, $flags, $text, $cb) = @_;
…		…
2107	utf8::encode $text;	2936	utf8::encode $text;
2108	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2937	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109		2938
2110	$self->send_packet ($self->{query_queue}[0][0])	2939	$self->send_packet ($self->{query_queue}[0][0])
2111	if @{ $self->{query_queue} } == 1;	2940	if @{ $self->{query_queue} } == 1;
		2941
		2942	1
2112	}	2943	}
2113		2944
2114	cf::client->attach (	2945	cf::client->attach (
		2946	on_connect => sub {
		2947	my ($ns) = @_;
		2948
		2949	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2950	},
2115	on_reply => sub {	2951	on_reply => sub {
2116	my ($ns, $msg) = @_;	2952	my ($ns, $msg) = @_;
2117		2953
2118	# this weird shuffling is so that direct followup queries	2954	# this weird shuffling is so that direct followup queries
2119	# get handled first	2955	# get handled first
…		…
2131	} else {	2967	} else {
2132	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2968	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133	}	2969	}
2134	}	2970	}
2135	},	2971	},
		2972	on_exticmd => sub {
		2973	my ($ns, $buf) = @_;
		2974
		2975	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2976
		2977	if (ref $msg) {
		2978	my ($type, $reply, @payload) =
		2979	"ARRAY" eq ref $msg
		2980	? @$msg
		2981	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2982
		2983	my @reply;
		2984
		2985	if (my $cb = $EXTICMD{$type}) {
		2986	@reply = $cb->($ns, @payload);
		2987	}
		2988
		2989	$ns->ext_reply ($reply, @reply)
		2990	if $reply;
		2991
		2992	} else {
		2993	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2994	}
		2995
		2996	cf::override;
		2997	},
2136	);	2998	);
2137		2999
2138	=item $client->async (\&cb)	3000	=item $client->async (\&cb)
2139		3001
2140	Create a new coroutine, running the specified callback. The coroutine will	3002	Create a new coroutine, running the specified callback. The coroutine will
…		…
2181	our $safe = new Safe "safe";	3043	our $safe = new Safe "safe";
2182	our $safe_hole = new Safe::Hole;	3044	our $safe_hole = new Safe::Hole;
2183		3045
2184	$SIG{FPE} = 'IGNORE';	3046	$SIG{FPE} = 'IGNORE';
2185		3047
2186	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3048	$safe->permit_only (Opcode::opset qw(
		3049	:base_core :base_mem :base_orig :base_math
		3050	grepstart grepwhile mapstart mapwhile
		3051	sort time
		3052	));
2187		3053
2188	# here we export the classes and methods available to script code	3054	# here we export the classes and methods available to script code
2189		3055
2190	=pod	3056	=pod
2191		3057
2192	The following functions and methods are available within a safe environment:	3058	The following functions and methods are available within a safe environment:
2193		3059
2194	cf::object contr pay_amount pay_player map	3060	cf::object
		3061	contr pay_amount pay_player map x y force_find force_add destroy
		3062	insert remove name archname title slaying race decrease split
		3063
2195	cf::object::player player	3064	cf::object::player
2196	cf::player peaceful	3065	player
2197	cf::map trigger	3066
		3067	cf::player
		3068	peaceful
		3069
		3070	cf::map
		3071	trigger
2198		3072
2199	=cut	3073	=cut
2200		3074
2201	for (	3075	for (
2202	["cf::object" => qw(contr pay_amount pay_player map)],	3076	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3077	insert remove inv nrof name archname title slaying race
		3078	decrease split destroy change_exp)],
2203	["cf::object::player" => qw(player)],	3079	["cf::object::player" => qw(player)],
2204	["cf::player" => qw(peaceful)],	3080	["cf::player" => qw(peaceful)],
2205	["cf::map" => qw(trigger)],	3081	["cf::map" => qw(trigger)],
2206	) {	3082	) {
2207	no strict 'refs';	3083	no strict 'refs';
…		…
2278	=back	3154	=back
2279		3155
2280	=cut	3156	=cut
2281		3157
2282	#############################################################################	3158	#############################################################################
2283
2284	=head2 EXTENSION DATABASE SUPPORT
2285
2286	Crossfire maintains a very simple database for extension use. It can
2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288	convert to/from binary).
2289
2290	The parameter C<$family> should best start with the name of the extension
2291	using it, it should be unique.
2292
2293	=over 4
2294
2295	=item $value = cf::db_get $family => $key
2296
2297	Returns a single value from the database.
2298
2299	=item cf::db_put $family => $key => $value
2300
2301	Stores the given C<$value> in the family.
2302
2303	=cut
2304
2305	our $DB;
2306
2307	sub db_init {
2308	unless ($DB) {
2309	$DB = BDB::db_create $DB_ENV;
2310
2311	cf::sync_job {
2312	eval {
2313	$DB->set_flags (BDB::CHKSUM);
2314
2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317	cf::cleanup "db_open(db): $!" if $!;
2318	};
2319	cf::cleanup "db_open(db): $@" if $@;
2320	};
2321	}
2322	}
2323
2324	sub db_get($$) {
2325	my $key = "$_[0]/$_[1]";
2326
2327	cf::sync_job {
2328	BDB::db_get $DB, undef, $key, my $data;
2329
2330	$! ? ()
2331	: $data
2332	}
2333	}
2334
2335	sub db_put($$$) {
2336	BDB::dbreq_pri 4;
2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338	}
2339
2340	=item cf::cache $id => [$paths...], $processversion => $process
2341
2342	Generic caching function that returns the value of the resource $id,
2343	caching and regenerating as required.
2344
2345	This function can block.
2346
2347	=cut
2348
2349	sub cache {
2350	my ($id, $src, $processversion, $process) = @_;
2351
2352	my $meta =
2353	join "\x00",
2354	$processversion,
2355	map {
2356	aio_stat $_
2357	and Carp::croak "$_: $!";
2358
2359	($_, (stat _)[7,9])
2360	} @$src;
2361
2362	my $dbmeta = db_get cache => "$id/meta";
2363	if ($dbmeta ne $meta) {
2364	# changed, we may need to process
2365
2366	my @data;
2367	my $md5;
2368
2369	for (0 .. $#$src) {
2370	0 <= aio_load $src->[$_], $data[$_]
2371	or Carp::croak "$src->[$_]: $!";
2372	}
2373
2374	# if processing is expensive, check
2375	# checksum first
2376	if (1) {
2377	$md5 =
2378	join "\x00",
2379	$processversion,
2380	map {
2381	Coro::cede;
2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
2383	} 0.. $#$src;
2384
2385
2386	my $dbmd5 = db_get cache => "$id/md5";
2387	if ($dbmd5 eq $md5) {
2388	db_put cache => "$id/meta", $meta;
2389
2390	return db_get cache => "$id/data";
2391	}
2392	}
2393
2394	my $t1 = Time::HiRes::time;
2395	my $data = $process->(\@data);
2396	my $t2 = Time::HiRes::time;
2397
2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400	db_put cache => "$id/data", $data;
2401	db_put cache => "$id/md5" , $md5;
2402	db_put cache => "$id/meta", $meta;
2403
2404	return $data;
2405	}
2406
2407	db_get cache => "$id/data"
2408	}
2409
2410	=item fork_call { }, $args
2411
2412	Executes the given code block with the given arguments in a seperate
2413	process, returning the results. Everything must be serialisable with
2414	Coro::Storable. May, of course, block. Note that the executed sub may
2415	never block itself or use any form of Event handling.
2416
2417	=cut
2418
2419	sub fork_call(&@) {
2420	my ($cb, @args) = @_;
2421
2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423	# or die "socketpair: $!";
2424	pipe my $fh1, my $fh2
2425	or die "pipe: $!";
2426
2427	if (my $pid = fork) {
2428	close $fh2;
2429
2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431	$res = Coro::Storable::thaw $res;
2432
2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435	die $$res unless "ARRAY" eq ref $res;
2436
2437	return wantarray ? @$res : $res->[-1];
2438	} else {
2439	local $SIG{__WARN__};
2440	eval {
2441	local $SIG{__DIE__};
2442	close $fh1;
2443
2444	my @res = eval { $cb->(@args) };
2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446	};
2447
2448	warn $@ if $@;
2449	_exit 0;
2450	}
2451	}
2452
2453
2454
2455	#############################################################################
2456	# the server's init and main functions	3159	# the server's init and main functions
2457		3160
2458	sub load_facedata($) {	3161	sub load_facedata($) {
2459	my ($path) = @_;	3162	my ($path) = @_;
		3163
		3164	# HACK to clear player env face cache, we need some signal framework
		3165	# for this (global event?)
		3166	%ext::player_env::MUSIC_FACE_CACHE = ();
		3167
		3168	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2460		3169
2461	warn "loading facedata from $path\n";	3170	warn "loading facedata from $path\n";
2462		3171
2463	my $facedata;	3172	my $facedata;
2464	0 < aio_load $path, $facedata	3173	0 < aio_load $path, $facedata
…		…
2467	$facedata = Coro::Storable::thaw $facedata;	3176	$facedata = Coro::Storable::thaw $facedata;
2468		3177
2469	$facedata->{version} == 2	3178	$facedata->{version} == 2
2470	or cf::cleanup "$path: version mismatch, cannot proceed.";	3179	or cf::cleanup "$path: version mismatch, cannot proceed.";
2471		3180
		3181	# patch in the exptable
		3182	$facedata->{resource}{"res/exp_table"} = {
		3183	type => FT_RSRC,
		3184	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3185	};
		3186	cf::cede_to_tick;
		3187
2472	{	3188	{
2473	my $faces = $facedata->{faceinfo};	3189	my $faces = $facedata->{faceinfo};
2474		3190
2475	while (my ($face, $info) = each %$faces) {	3191	while (my ($face, $info) = each %$faces) {
2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3192	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3193
2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3194	cf::face::set_visibility $idx, $info->{visibility};
		3195	cf::face::set_magicmap $idx, $info->{magicmap};
2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3196	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3197	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2480	Coro::cede;	3198
		3199	cf::cede_to_tick;
2481	}	3200	}
2482		3201
2483	while (my ($face, $info) = each %$faces) {	3202	while (my ($face, $info) = each %$faces) {
2484	next unless $info->{smooth};	3203	next unless $info->{smooth};
		3204
2485	my $idx = cf::face::find $face	3205	my $idx = cf::face::find $face
2486	or next;	3206	or next;
		3207
2487	if (my $smooth = cf::face::find $info->{smooth}) {	3208	if (my $smooth = cf::face::find $info->{smooth}) {
		3209	cf::face::set_smooth $idx, $smooth;
2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3210	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489	} else {	3211	} else {
2490	warn "smooth face '$info->{smooth}' not found for face '$face'";	3212	warn "smooth face '$info->{smooth}' not found for face '$face'";
2491	}	3213	}
2492	Coro::cede;	3214
		3215	cf::cede_to_tick;
2493	}	3216	}
2494	}	3217	}
2495		3218
2496	{	3219	{
2497	my $anims = $facedata->{animinfo};	3220	my $anims = $facedata->{animinfo};
2498		3221
2499	while (my ($anim, $info) = each %$anims) {	3222	while (my ($anim, $info) = each %$anims) {
2500	cf::anim::set $anim, $info->{frames}, $info->{facings};	3223	cf::anim::set $anim, $info->{frames}, $info->{facings};
2501	Coro::cede;	3224	cf::cede_to_tick;
2502	}	3225	}
2503		3226
2504	cf::anim::invalidate_all; # d'oh	3227	cf::anim::invalidate_all; # d'oh
2505	}	3228	}
2506		3229
		3230	{
		3231	# TODO: for gcfclient pleasure, we should give resources
		3232	# that gcfclient doesn't grok a >10000 face index.
		3233	my $res = $facedata->{resource};
		3234
		3235	while (my ($name, $info) = each %$res) {
		3236	if (defined $info->{type}) {
		3237	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3238	my $data;
		3239
		3240	if ($info->{type} & 1) {
		3241	# prepend meta info
		3242
		3243	my $meta = $enc->encode ({
		3244	name => $name,
		3245	%{ $info->{meta} || {} },
		3246	});
		3247
		3248	$data = pack "(w/a*)*", $meta, $info->{data};
		3249	} else {
		3250	$data = $info->{data};
		3251	}
		3252
		3253	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3254	cf::face::set_type $idx, $info->{type};
		3255	} else {
		3256	$RESOURCE{$name} = $info;
		3257	}
		3258
		3259	cf::cede_to_tick;
		3260	}
		3261	}
		3262
		3263	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3264
2507	1	3265	1
2508	}	3266	}
2509		3267
		3268	cf::global->attach (on_resource_update => sub {
		3269	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3270	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3271
		3272	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3273	my $sound = $soundconf->{compat}[$_]
		3274	or next;
		3275
		3276	my $face = cf::face::find "sound/$sound->[1]";
		3277	cf::sound::set $sound->[0] => $face;
		3278	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3279	}
		3280
		3281	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3282	my $face = cf::face::find "sound/$v";
		3283	cf::sound::set $k => $face;
		3284	}
		3285	}
		3286	});
		3287
		3288	register_exticmd fx_want => sub {
		3289	my ($ns, $want) = @_;
		3290
		3291	while (my ($k, $v) = each %$want) {
		3292	$ns->fx_want ($k, $v);
		3293	}
		3294	};
		3295
		3296	sub load_resource_file($) {
		3297	my $guard = lock_acquire "load_resource_file";
		3298
		3299	my $status = load_resource_file_ $_[0];
		3300	get_slot 0.1, 100;
		3301	cf::arch::commit_load;
		3302
		3303	$status
		3304	}
		3305
2510	sub reload_regions {	3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
2511	load_resource_file "$MAPDIR/regions"	3311	load_resource_file "$MAPDIR/regions"
2512	or die "unable to load regions file\n";	3312	or die "unable to load regions file\n";
		3313
		3314	for (cf::region::list) {
		3315	$_->{match} = qr/$_->{match}/
		3316	if exists $_->{match};
		3317	}
2513	}	3318	}
2514		3319
2515	sub reload_facedata {	3320	sub reload_facedata {
2516	load_facedata "$DATADIR/facedata"	3321	load_facedata "$DATADIR/facedata"
2517	or die "unable to load facedata\n";	3322	or die "unable to load facedata\n";
…		…
2528	}	3333	}
2529		3334
2530	sub reload_resources {	3335	sub reload_resources {
2531	warn "reloading resource files...\n";	3336	warn "reloading resource files...\n";
2532		3337
2533	reload_regions;
2534	reload_facedata;	3338	reload_facedata;
2535	reload_archetypes;	3339	reload_archetypes;
		3340	reload_regions;
2536	reload_treasures;	3341	reload_treasures;
2537		3342
2538	warn "finished reloading resource files\n";	3343	warn "finished reloading resource files\n";
2539	}	3344	}
2540		3345
2541	sub init {	3346	sub init {
		3347	my $guard = freeze_mainloop;
		3348
		3349	evthread_start IO::AIO::poll_fileno;
		3350
2542	reload_resources;	3351	reload_resources;
2543	}	3352	}
2544		3353
2545	sub cfg_load {	3354	sub reload_config {
2546	open my $fh, "<:utf8", "$CONFDIR/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2547	or return;	3356	or return;
2548		3357
2549	local $/;	3358	local $/;
2550	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2551		3360
2552	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2553		3362
2554	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2555	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2561	};	3370	};
2562	warn $@ if $@;	3371	warn $@ if $@;
2563	}	3372	}
2564	}	3373	}
2565		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
2566	sub main {	3394	sub main {
		3395	atomic;
		3396
2567	# we must not ever block the main coroutine	3397	# we must not ever block the main coroutine
2568	local $Coro::idle = sub {	3398	local $Coro::idle = sub {
2569	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3399	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2570	(async {	3400	(async {
2571	Event::one_event;	3401	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3402	EV::loop EV::LOOP_ONESHOT;
2572	})->prio (Coro::PRIO_MAX);	3403	})->prio (Coro::PRIO_MAX);
2573	};	3404	};
2574		3405
2575	cfg_load;	3406	{
		3407	my $guard = freeze_mainloop;
		3408	reload_config;
2576	db_init;	3409	db_init;
2577	load_extensions;	3410	load_extensions;
2578		3411
2579	$TICK_WATCHER->start;	3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413	}
		3414
		3415	utime time, time, $RUNTIMEFILE;
		3416
		3417	# no (long-running) fork's whatsoever before this point(!)
		3418	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3419
2580	Event::loop;	3420	EV::loop;
2581	}	3421	}
2582		3422
2583	#############################################################################	3423	#############################################################################
2584	# initialisation and cleanup	3424	# initialisation and cleanup
2585		3425
2586	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
2587	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
2588	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
2589	Event->signal (	3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2590	reentrant => 0,
2591	data => WF_AUTOCANCEL,
2592	signal => $signal,
2593	prio => 0,
2594	cb => sub {
2595	cf::cleanup "SIG$signal";	3431	cf::cleanup "SIG$signal";
2596	},
2597	);	3432	};
		3433	}
		3434	}
		3435
		3436	sub write_runtime_sync {
		3437	# first touch the runtime file to show we are still running:
		3438	# the fsync below can take a very very long time.
		3439
		3440	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3441
		3442	my $guard = cf::lock_acquire "write_runtime";
		3443
		3444	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3445	or return;
		3446
		3447	my $value = $cf::RUNTIME + 90 + 10;
		3448	# 10 is the runtime save interval, for a monotonic clock
		3449	# 60 allows for the watchdog to kill the server.
		3450
		3451	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3452	and return;
		3453
		3454	# always fsync - this file is important
		3455	aio_fsync $fh
		3456	and return;
		3457
		3458	# touch it again to show we are up-to-date
		3459	aio_utime $fh, undef, undef;
		3460
		3461	close $fh
		3462	or return;
		3463
		3464	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3465	and return;
		3466
		3467	warn "runtime file written.\n";
		3468
2598	}	3469	1
		3470	}
		3471
		3472	our $uuid_lock;
		3473	our $uuid_skip;
		3474
		3475	sub write_uuid_sync($) {
		3476	$uuid_skip ||= $_[0];
		3477
		3478	return if $uuid_lock;
		3479	local $uuid_lock = 1;
		3480
		3481	my $uuid = "$LOCALDIR/uuid";
		3482
		3483	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3484	or return;
		3485
		3486	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3487	$uuid_skip = 0;
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$uuid~", $uuid
		3500	and return;
		3501
		3502	warn "uuid file written ($value).\n";
		3503
		3504	1
		3505
		3506	}
		3507
		3508	sub write_uuid($$) {
		3509	my ($skip, $sync) = @_;
		3510
		3511	$sync ? write_uuid_sync $skip
		3512	: async { write_uuid_sync $skip };
2599	}	3513	}
2600		3514
2601	sub emergency_save() {	3515	sub emergency_save() {
2602	my $freeze_guard = cf::freeze_mainloop;	3516	my $freeze_guard = cf::freeze_mainloop;
2603		3517
…		…
2609	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
2610	warn "begin emergency player save\n";	3524	warn "begin emergency player save\n";
2611	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
2612	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
2613	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2614	$pl->save;	3529	$pl->save;
2615	}	3530	}
2616	warn "end emergency player save\n";	3531	warn "end emergency player save\n";
2617		3532
2618	warn "begin emergency map save\n";	3533	warn "begin emergency map save\n";
…		…
2624	warn "end emergency map save\n";	3539	warn "end emergency map save\n";
2625		3540
2626	warn "begin emergency database checkpoint\n";	3541	warn "begin emergency database checkpoint\n";
2627	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
2628	warn "end emergency database checkpoint\n";	3543	warn "end emergency database checkpoint\n";
		3544
		3545	warn "begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "end write uuid\n";
2629	};	3548	};
2630		3549
2631	warn "leave emergency perl save\n";	3550	warn "leave emergency perl save\n";
2632	}	3551	}
2633		3552
2634	sub post_cleanup {	3553	sub post_cleanup {
2635	my ($make_core) = @_;	3554	my ($make_core) = @_;
2636		3555
2637	warn Carp::longmess "post_cleanup backtrace"	3556	warn Carp::longmess "post_cleanup backtrace"
2638	if $make_core;	3557	if $make_core;
		3558
		3559	my $fh = pidfile;
		3560	unlink $PIDFILE if <$fh> == $$;
		3561	}
		3562
		3563	# a safer delete_package, copied from Symbol
		3564	sub clear_package($) {
		3565	my $pkg = shift;
		3566
		3567	# expand to full symbol table name if needed
		3568	unless ($pkg =~ /^main::.*::$/) {
		3569	$pkg = "main$pkg" if $pkg =~ /^::/;
		3570	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3571	$pkg .= '::' unless $pkg =~ /::$/;
		3572	}
		3573
		3574	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3575	my $stem_symtab = *{$stem}{HASH};
		3576
		3577	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3578	or return;
		3579
		3580	# clear all symbols
		3581	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3582	for my $name (keys %$leaf_symtab) {
		3583	_gv_clear *{"$pkg$name"};
		3584	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3585	}
		3586	warn "cleared package $pkg\n";#d#
2639	}	3587	}
2640		3588
2641	sub do_reload_perl() {	3589	sub do_reload_perl() {
2642	# can/must only be called in main	3590	# can/must only be called in main
2643	if ($Coro::current != $Coro::main) {	3591	if ($Coro::current != $Coro::main) {
2644	warn "can only reload from main coroutine";	3592	warn "can only reload from main coroutine";
2645	return;	3593	return;
2646	}	3594	}
2647		3595
		3596	return if $RELOAD++;
		3597
		3598	while ($RELOAD) {
2648	warn "reloading...";	3599	warn "reloading...";
2649		3600
2650	warn "entering sync_job";	3601	warn "entering sync_job";
2651		3602
2652	cf::sync_job {	3603	cf::sync_job {
2653	cf::write_runtime; # external watchdog should not bark	3604	cf::write_runtime_sync; # external watchdog should not bark
2654	cf::emergency_save;	3605	cf::emergency_save;
2655	cf::write_runtime; # external watchdog should not bark	3606	cf::write_runtime_sync; # external watchdog should not bark
2656		3607
2657	warn "syncing database to disk";	3608	warn "syncing database to disk";
2658	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2659		3610
2660	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
2661		3612
2662	warn "cancelling all WF_AUTOCANCEL watchers";
2663	for (Event::all_watchers) {
2664	$_->cancel if $_->data & WF_AUTOCANCEL;
2665	}
2666
2667	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
2668	for (;;) {
2669	BDB::flush;
2670	IO::AIO::flush;
2671	Coro::cede;
2672	last unless IO::AIO::nreqs || BDB::nreqs;	3614	while (IO::AIO::nreqs || BDB::nreqs) {
2673	warn "iterate...";	3615	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2674	}
2675
2676	++$RELOAD;
2677
2678	warn "cancelling all extension coros";
2679	$_->cancel for values %EXT_CORO;
2680	%EXT_CORO = ();
2681
2682	warn "removing commands";
2683	%COMMAND = ();
2684
2685	warn "removing ext commands";
2686	%EXTCMD = ();
2687
2688	warn "unloading/nuking all extensions";
2689	for my $pkg (@EXTS) {
2690	warn "... unloading $pkg";
2691
2692	if (my $cb = $pkg->can ("unload")) {
2693	eval {
2694	$cb->($pkg);
2695	1
2696	} or warn "$pkg unloaded, but with errors: $@";
2697	}	3616	}
2698		3617
2699	warn "... nuking $pkg";	3618	warn "cancelling all extension coros";
2700	Symbol::delete_package $pkg;	3619	$_->cancel for values %EXT_CORO;
2701	}	3620	%EXT_CORO = ();
2702		3621
2703	warn "unloading all perl modules loaded from $LIBDIR";	3622	warn "removing commands";
2704	while (my ($k, $v) = each %INC) {	3623	%COMMAND = ();
2705	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2706		3624
		3625	warn "removing ext/exti commands";
		3626	%EXTCMD = ();
		3627	%EXTICMD = ();
		3628
		3629	warn "unloading/nuking all extensions";
		3630	for my $pkg (@EXTS) {
2707	warn "... unloading $k";	3631	warn "... unloading $pkg";
2708	delete $INC{$k};
2709		3632
2710	$k =~ s/\.pm$//;
2711	$k =~ s/\//::/g;
2712
2713	if (my $cb = $k->can ("unload_module")) {	3633	if (my $cb = $pkg->can ("unload")) {
		3634	eval {
2714	$cb->();	3635	$cb->($pkg);
		3636	1
		3637	} or warn "$pkg unloaded, but with errors: $@";
		3638	}
		3639
		3640	warn "... clearing $pkg";
		3641	clear_package $pkg;
2715	}	3642	}
2716		3643
2717	Symbol::delete_package $k;	3644	warn "unloading all perl modules loaded from $LIBDIR";
		3645	while (my ($k, $v) = each %INC) {
		3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3647
		3648	warn "... unloading $k";
		3649	delete $INC{$k};
		3650
		3651	$k =~ s/\.pm$//;
		3652	$k =~ s/\//::/g;
		3653
		3654	if (my $cb = $k->can ("unload_module")) {
		3655	$cb->();
		3656	}
		3657
		3658	clear_package $k;
2718	}	3659	}
2719		3660
2720	warn "getting rid of safe::, as good as possible";	3661	warn "getting rid of safe::, as good as possible";
2721	Symbol::delete_package "safe::$_"	3662	clear_package "safe::$_"
2722	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2723		3664
2724	warn "unloading cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
2725	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
2726	delete $INC{"cf/pod.pm"};	3667	delete $INC{"cf/pod.pm"};
2727		3668
2728	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
2729	# and global variables created in xs	3670	# and global variables created in xs
2730	#Symbol::delete_package __PACKAGE__;	3671	#clear_package __PACKAGE__;
2731		3672
2732	warn "unload completed, starting to reload now";	3673	warn "unload completed, starting to reload now";
2733		3674
2734	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
2735	require cf;	3676	require cf;
2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2737		3678
2738	warn "loading config and database again";	3679	warn "loading config and database again";
2739	cf::cfg_load;	3680	cf::reload_config;
2740		3681
2741	warn "loading extensions";	3682	warn "loading extensions";
2742	cf::load_extensions;	3683	cf::load_extensions;
2743		3684
2744	warn "reattaching attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
2745	_global_reattach; # objects, sockets	3686	_global_reattach; # objects, sockets
2746	warn "reattaching attachments to maps";	3687	warn "reattaching attachments to maps";
2747	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
2748	warn "reattaching attachments to players";	3689	warn "reattaching attachments to players";
2749	reattach $_ for values %PLAYER;	3690	reattach $_ for values %PLAYER;
2750		3691
2751	warn "leaving sync_job";	3692	warn "leaving sync_job";
2752		3693
2753	1	3694	1
2754	} or do {	3695	} or do {
2755	warn $@;	3696	warn $@;
2756	warn "error while reloading, exiting.";	3697	cf::cleanup "error while reloading, exiting.";
2757	exit 1;
2758	};	3698	};
2759		3699
2760	warn "reloaded";	3700	warn "reloaded";
		3701	--$RELOAD;
		3702	}
2761	};	3703	};
2762		3704
2763	our $RELOAD_WATCHER; # used only during reload	3705	our $RELOAD_WATCHER; # used only during reload
2764		3706
2765	sub reload_perl() {	3707	sub reload_perl() {
2766	# doing reload synchronously and two reloads happen back-to-back,	3708	# doing reload synchronously and two reloads happen back-to-back,
2767	# coro crashes during coro_state_free->destroy here.	3709	# coro crashes during coro_state_free->destroy here.
2768		3710
2769	$RELOAD_WATCHER ||= Event->timer (	3711	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
2770	reentrant => 0,
2771	after => 0,
2772	data => WF_AUTOCANCEL,
2773	cb => sub {
2774	do_reload_perl;	3712	do_reload_perl;
2775	undef $RELOAD_WATCHER;	3713	undef $RELOAD_WATCHER;
2776	},
2777	);	3714	};
2778	}	3715	}
2779		3716
2780	register_command "reload" => sub {	3717	register_command "reload" => sub {
2781	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2782		3719
2783	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2784	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
		3722	async {
		3723	$Coro::current->{desc} = "perl_reload";
2785	async { reload_perl };	3724	reload_perl;
		3725	};
2786	}	3726	}
2787	};	3727	};
2788		3728
2789	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2790		3730
…		…
2792		3732
2793	our @WAIT_FOR_TICK;	3733	our @WAIT_FOR_TICK;
2794	our @WAIT_FOR_TICK_BEGIN;	3734	our @WAIT_FOR_TICK_BEGIN;
2795		3735
2796	sub wait_for_tick {	3736	sub wait_for_tick {
2797	return unless $TICK_WATCHER->is_active;
2798	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2799		3738
2800	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
2801	push @WAIT_FOR_TICK, $signal;	3740	push @WAIT_FOR_TICK, $signal;
2802	$signal->wait;	3741	$signal->wait;
2803	}	3742	}
2804		3743
2805	sub wait_for_tick_begin {	3744	sub wait_for_tick_begin {
2806	return unless $TICK_WATCHER->is_active;
2807	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
2808		3746
2809	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
2810	push @WAIT_FOR_TICK_BEGIN, $signal;	3748	push @WAIT_FOR_TICK_BEGIN, $signal;
2811	$signal->wait;	3749	$signal->wait;
2812	}	3750	}
2813		3751
2814	$TICK_WATCHER = Event->timer (	3752	sub tick {
2815	reentrant => 0,
2816	parked => 1,
2817	prio => 0,
2818	at => $NEXT_TICK || $TICK,
2819	data => WF_AUTOCANCEL,
2820	cb => sub {
2821	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2824	return;	3756	return;
2825	}	3757	}
2826		3758
2827	$NOW = Event::time;
2828
2829	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2830		3760
2831	$RUNTIME += $TICK;
2832	$NEXT_TICK += $TICK;
2833
2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835	$NEXT_RUNTIME_WRITE = $NOW + 10;	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2836	Coro::async_pool {	3763	Coro::async_pool {
		3764	$Coro::current->{desc} = "runtime saver";
2837	write_runtime	3765	write_runtime_sync
2838	or warn "ERROR: unable to write runtime file: $!";	3766	or warn "ERROR: unable to write runtime file: $!";
2839	};
2840	}	3767	};
		3768	}
2841		3769
2842	# my $AFTER = Event::time;
2843	# warn $AFTER - $NOW;#d#
2844
2845	# if we are delayed by four ticks or more, skip them all
2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2847
2848	$TICK_WATCHER->at ($NEXT_TICK);
2849	$TICK_WATCHER->start;
2850
2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852	$sig->send;	3771	$sig->send;
2853	}	3772	}
2854	while (my $sig = shift @WAIT_FOR_TICK) {	3773	while (my $sig = shift @WAIT_FOR_TICK) {
2855	$sig->send;	3774	$sig->send;
2856	}
2857
2858	_post_tick;
2859	},	3775	}
2860	);	3776
		3777	$LOAD = ($NOW - $TICK_START) / $TICK;
		3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3779
		3780	if (0) {
		3781	if ($NEXT_TICK) {
		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
		3786	}
		3787	}
2861		3788
2862	{	3789	{
2863	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
2864	$BDB_POLL_WATCHER = Event->io (	3791
2865	reentrant => 0,
2866	fd => BDB::poll_fileno,
2867	poll => 'r',
2868	prio => 0,
2869	data => WF_AUTOCANCEL,
2870	cb => \&BDB::poll_cb,
2871	);
2872	BDB::min_parallel 8;	3792	BDB::min_parallel 8;
2873		3793	BDB::max_poll_reqs $TICK * 0.1;
2874	BDB::set_sync_prepare {	3794	$AnyEvent::BDB::WATCHER->priority (1);
2875	my $status;
2876	my $current = $Coro::current;
2877	(
2878	sub {
2879	$status = $!;
2880	$current->ready; undef $current;
2881	},
2882	sub {
2883	Coro::schedule while defined $current;
2884	$! = $status;
2885	},
2886	)
2887	};
2888		3795
2889	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
2890	$DB_ENV = BDB::db_env_create;	3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3799	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3800	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3801	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3802	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2891		3803
2892	cf::sync_job {	3804	cf::sync_job {
2893	eval {	3805	eval {
2894	BDB::db_env_open	3806	BDB::db_env_open
2895	$DB_ENV,	3807	$DB_ENV,
…		…
2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3809	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3810	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899	0666;	3811	0666;
2900		3812
2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3813	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902
2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2904	$DB_ENV->set_lk_detect;
2905	};	3814	};
2906		3815
2907	cf::cleanup "db_env_open(db): $@" if $@;	3816	cf::cleanup "db_env_open(db): $@" if $@;
2908	};	3817	};
2909	}	3818	}
		3819
		3820	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3821	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3822	};
		3823	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3824	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3825	};
		3826	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3827	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3828	};
2910	}	3829	}
2911		3830
2912	{	3831	{
		3832	# configure IO::AIO
		3833
2913	IO::AIO::min_parallel 8;	3834	IO::AIO::min_parallel 8;
2914
2915	undef $Coro::AIO::WATCHER;
2916	IO::AIO::max_poll_time $TICK * 0.1;	3835	IO::AIO::max_poll_time $TICK * 0.1;
2917	$AIO_POLL_WATCHER = Event->io (	3836	undef $AnyEvent::AIO::WATCHER;
2918	reentrant => 0,	3837	}
2919	data => WF_AUTOCANCEL,	3838
2920	fd => IO::AIO::poll_fileno,	3839	my $_log_backtrace;
2921	poll => 'r',	3840
2922	prio => 6,	3841	sub _log_backtrace {
2923	cb => \&IO::AIO::poll_cb,	3842	my ($msg, @addr) = @_;
2924	);	3843
		3844	$msg =~ s/\n//;
		3845
		3846	# limit the # of concurrent backtraces
		3847	if ($_log_backtrace < 2) {
		3848	++$_log_backtrace;
		3849	my $perl_bt = Carp::longmess $msg;
		3850	async {
		3851	$Coro::current->{desc} = "abt $msg";
		3852
		3853	my @bt = fork_call {
		3854	@addr = map { sprintf "%x", $_ } @addr;
		3855	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3856	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3857	or die "addr2line: $!";
		3858
		3859	my @funcs;
		3860	my @res = <$fh>;
		3861	chomp for @res;
		3862	while (@res) {
		3863	my ($func, $line) = splice @res, 0, 2, ();
		3864	push @funcs, "[$func] $line";
		3865	}
		3866
		3867	@funcs
		3868	};
		3869
		3870	LOG llevInfo, "[ABT] $perl_bt\n";
		3871	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3872	LOG llevInfo, "[ABT] $_\n" for @bt;
		3873	--$_log_backtrace;
		3874	};
		3875	} else {
		3876	LOG llevInfo, "[ABT] $msg\n";
		3877	LOG llevInfo, "[ABT] [suppressed]\n";
		3878	}
2925	}	3879	}
2926		3880
2927	# load additional modules	3881	# load additional modules
2928	use cf::pod;	3882	use cf::pod;
2929		3883

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