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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.257 by root, Sat Apr 21 17:34:24 2007 UTC vs.
Revision 1.450 by root, Mon Sep 22 01:33:09 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
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 {
…		…
163	$msg .= "\n"	217	$msg .= "\n"
164	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
165		219
166	$msg =~ s/([\x00-\x08\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 ($key) = @_;
		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
258		343
259	# wait for lock, if any	344	# wait for lock, if any
260	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	347	Coro::schedule;
…		…
268		353
269	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
270	lock_wait $key;	355	lock_wait $key;
271		356
272	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
273		359
274	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
277	}	364	}
278	}	365	}
279		366
…		…
282		369
283	! ! $LOCK{$key}	370	! ! $LOCK{$key}
284	}	371	}
285		372
286	sub freeze_mainloop {	373	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
288		375
289	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
290	$TICK_WATCHER->start;	377	}
		378
		379	=item cf::periodic $interval, $cb
		380
		381	Like EV::periodic, but randomly selects a starting point so that the actions
		382	get spread over timer.
		383
		384	=cut
		385
		386	sub periodic($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
		392	}
		393
		394	=item cf::get_slot $time[, $priority[, $name]]
		395
		396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		397	This call blocks and returns only when you have at least C<$time> seconds
		398	of cpu time till the next tick. The slot is only valid till the next cede.
		399
		400	The optional C<$name> can be used to identify the job to run. It might be
		401	used for statistical purposes and should identify the same time-class.
		402
		403	Useful for short background jobs.
		404
		405	=cut
		406
		407	our @SLOT_QUEUE;
		408	our $SLOT_QUEUE;
		409
		410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
		414	my $signal = new Coro::Signal;
		415
		416	while () {
		417	next_job:
		418	my $avail = cf::till_tick;
		419	if ($avail > 0.01) {
		420	for (0 .. $#SLOT_QUEUE) {
		421	if ($SLOT_QUEUE[$_][0] < $avail) {
		422	my $job = splice @SLOT_QUEUE, $_, 1, ();
		423	$job->[2]->send;
		424	Coro::cede;
		425	goto next_job;
		426	}
		427	}
		428	}
		429
		430	if (@SLOT_QUEUE) {
		431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		432	push @cf::WAIT_FOR_TICK, $signal;
		433	$signal->wait;
		434	} else {
		435	Coro::schedule;
		436	}
291	};	437	}
292	$TICK_WATCHER->stop;	438	};
293	$guard	439
		440	sub get_slot($;$$) {
		441	return if tick_inhibit || $Coro::current == $Coro::main;
		442
		443	my ($time, $pri, $name) = @_;
		444
		445	$time = $TICK * .6 if $time > $TICK * .6;
		446	my $sig = new Coro::Signal;
		447
		448	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		449	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		450	$SLOT_QUEUE->ready;
		451	$sig->wait;
294	}	452	}
295		453
296	=item cf::async { BLOCK }	454	=item cf::async { BLOCK }
297		455
298	Currently the same as Coro::async_pool, meaning you cannot use	456	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		461
304	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
305		463
306	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
307		465
308	The design of crossfire+ requires that the main coro ($Coro::main) is	466	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	467	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		469	acceptable.
311		470
312	If it must be done, put the blocking parts into C<sync_job>. This will run	471	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	472	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	473	server will be frozen during this time, so the block should either finish
315	fast or be very important.	474	fast or be very important.
…		…
318		477
319	sub sync_job(&) {	478	sub sync_job(&) {
320	my ($job) = @_;	479	my ($job) = @_;
321		480
322	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
		482	my $time = EV::time;
		483
323	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
325		486
326	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	488
328	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
329		490
330	my $busy = 1;	491	my $busy = 1;
331	my @res;	492	my @res;
332		493
333	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	496	@res = eval { $job->() };
335	warn $@ if $@;	497	warn $@ if $@;
336	undef $busy;	498	undef $busy;
337	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
338		500
339	while ($busy) {	501	while ($busy) {
340	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
341	}	506	}
		507	}
		508
		509	my $time = EV::time - $time;
		510
		511	$TICK_START += $time; # do not account sync jobs to server load
342		512
343	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
344	} else {	514	} else {
345	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
346		516
…		…
366	$EXT_CORO{$coro+0} = $coro;	536	$EXT_CORO{$coro+0} = $coro;
367		537
368	$coro	538	$coro
369	}	539	}
370		540
371	sub write_runtime {	541	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		542
374	my $runtime = "$LOCALDIR/runtime";	543	Executes the given code block with the given arguments in a seperate
		544	process, returning the results. Everything must be serialisable with
		545	Coro::Storable. May, of course, block. Note that the executed sub may
		546	never block itself or use any form of event handling.
375		547
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	548	=cut
377	or return;
378		549
379	my $value = $cf::RUNTIME + 90 + 10;	550	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	551	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		552
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	553	# we seemingly have to make a local copy of the whole thing,
384	and return;	554	# otherwise perl prematurely frees the stuff :/
		555	# TODO: investigate and fix (likely this will be rather laborious)
385		556
386	# always fsync - this file is important	557	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	558	reset_signals;
388	and return;	559	&$cb
		560	}, @args;
389		561
390	close $fh	562	wantarray ? @res : $res[-1]
391	or return;	563	}
392		564
393	aio_rename "$runtime~", $runtime	565	=item $coin = coin_from_name $name
394	and return;
395		566
		567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		587	$coin_alias{$_[0]}
		588	? cf::arch::find $coin_alias{$_[0]}
		589	: undef
		590	}
		591
		592	=item $value = cf::db_get $family => $key
		593
		594	Returns a single value from the environment database.
		595
		596	=item cf::db_put $family => $key => $value
		597
		598	Stores the given C<$value> in the family. It can currently store binary
		599	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		600
		601	=item $db = cf::db_table "name"
		602
		603	Create and/or open a new database table. The string must not be "db" and must be unique
		604	within each server.
		605
		606	=cut
		607
		608	sub db_table($) {
		609	my ($name) = @_;
		610	my $db = BDB::db_create $DB_ENV;
		611
		612	eval {
		613	$db->set_flags (BDB::CHKSUM);
		614
		615	utf8::encode $name;
		616	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		617	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		618	cf::cleanup "db_open(db): $!" if $!;
		619	};
		620	cf::cleanup "db_open(db): $@" if $@;
		621
		622	$db
		623	}
		624
		625	our $DB;
		626
		627	sub db_init {
		628	cf::sync_job {
		629	$DB ||= db_table "db";
		630	};
		631	}
		632
		633	sub db_get($$) {
		634	my $key = "$_[0]/$_[1]";
		635
		636	cf::sync_job {
		637	BDB::db_get $DB, undef, $key, my $data;
		638
		639	$! ? ()
		640	: $data
396	1	641	}
		642	}
		643
		644	sub db_put($$$) {
		645	BDB::dbreq_pri 4;
		646	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		647	}
		648
		649	=item cf::cache $id => [$paths...], $processversion => $process
		650
		651	Generic caching function that returns the value of the resource $id,
		652	caching and regenerating as required.
		653
		654	This function can block.
		655
		656	=cut
		657
		658	sub cache {
		659	my ($id, $src, $processversion, $process) = @_;
		660
		661	my $meta =
		662	join "\x00",
		663	$processversion,
		664	map {
		665	aio_stat $_
		666	and Carp::croak "$_: $!";
		667
		668	($_, (stat _)[7,9])
		669	} @$src;
		670
		671	my $dbmeta = db_get cache => "$id/meta";
		672	if ($dbmeta ne $meta) {
		673	# changed, we may need to process
		674
		675	my @data;
		676	my $md5;
		677
		678	for (0 .. $#$src) {
		679	0 <= aio_load $src->[$_], $data[$_]
		680	or Carp::croak "$src->[$_]: $!";
		681	}
		682
		683	# if processing is expensive, check
		684	# checksum first
		685	if (1) {
		686	$md5 =
		687	join "\x00",
		688	$processversion,
		689	map {
		690	cf::cede_to_tick;
		691	($src->[$_], Digest::MD5::md5_hex $data[$_])
		692	} 0.. $#$src;
		693
		694
		695	my $dbmd5 = db_get cache => "$id/md5";
		696	if ($dbmd5 eq $md5) {
		697	db_put cache => "$id/meta", $meta;
		698
		699	return db_get cache => "$id/data";
		700	}
		701	}
		702
		703	my $t1 = Time::HiRes::time;
		704	my $data = $process->(\@data);
		705	my $t2 = Time::HiRes::time;
		706
		707	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		708
		709	db_put cache => "$id/data", $data;
		710	db_put cache => "$id/md5" , $md5;
		711	db_put cache => "$id/meta", $meta;
		712
		713	return $data;
		714	}
		715
		716	db_get cache => "$id/data"
397	}	717	}
398		718
399	=item cf::datalog type => key => value, ...	719	=item cf::datalog type => key => value, ...
400		720
401	Log a datalog packet of the given type with the given key-value pairs.	721	Log a datalog packet of the given type with the given key-value pairs.
…		…
413		733
414	#############################################################################	734	#############################################################################
415		735
416	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
417		737
418	Many objects in crossfire are so-called attachable objects. That means you can	738	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")	739	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
421		741
422	In the following description, CLASS can be any of C<global>, C<object>	742	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	743	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	744	Deliantra).
425		745
426	=over 4	746	=over 4
427		747
428	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
429		749
…		…
473	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
474		794
475	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
477		797
478	Some classes such as crossfire maps and objects can specify attachments	798	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.	799	that are attached at load/instantiate time, thus the need for a name.
480		800
481	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
482		802
483	=over 4	803	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	912	$registry = $CB_TYPE[$object_type] ||= [];
593		913
594	} elsif ($type eq "subtype") {	914	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	915	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	916	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	917	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		918
599	} elsif ($type eq "package") {	919	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	920	my $pkg = shift @arg;
601		921
602	while (my ($name, $id) = each %cb_id) {	922	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	951	_attach $registry, $klass, @attach;
632	}	952	}
633		953
634	$obj->{$name} = \%arg;	954	$obj->{$name} = \%arg;
635	} else {	955	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	956	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	957	}
638		958
639	$obj->{_attachment}{$name} = undef;	959	$obj->{_attachment}{$name} = undef;
640	}	960	}
641		961
…		…
643	if (ref $_[0]) {	963	if (ref $_[0]) {
644	_object_attach @_;	964	_object_attach @_;
645	} else {	965	} else {
646	_attach shift->_attach_registry, @_;	966	_attach shift->_attach_registry, @_;
647	}	967	}
		968	_recalc_want;
648	};	969	};
649		970
650	# all those should be optimised	971	# all those should be optimised
651	sub cf::attachable::detach {	972	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	973	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	976	delete $obj->{_attachment}{$name};
656	reattach ($obj);	977	reattach ($obj);
657	} else {	978	} else {
658	Carp::croak "cannot, currently, detach class attachments";	979	Carp::croak "cannot, currently, detach class attachments";
659	}	980	}
		981	_recalc_want;
660	};	982	};
661		983
662	sub cf::attachable::attached {	984	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	985	my ($obj, $name) = @_;
664		986
…		…
679	";	1001	";
680	die if $@;	1002	die if $@;
681	}	1003	}
682		1004
683	our $override;	1005	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1006	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1007
686	sub override {	1008	sub override {
687	$override = 1;	1009	$override = 1;
688	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
689	}	1011	}
690		1012
691	sub do_invoke {	1013	sub do_invoke {
692	my $event = shift;	1014	my $event = shift;
693	my $callbacks = shift;	1015	my $callbacks = shift;
694		1016
695	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
696		1018
697	local $override;	1019	local $override;
698		1020
699	for (@$callbacks) {	1021	for (@$callbacks) {
700	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
709	}	1031	}
710		1032
711	0	1033	0
712	}	1034	}
713		1035
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1037
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1039
718	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
719		1041
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1042	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	1043	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1045
724	=back	1046	=back
725		1047
726	=cut	1048	=cut
727		1049
728	#############################################################################	1050	#############################################################################
729	# object support	1051	# object support
		1052
		1053	sub _object_equal($$);
		1054	sub _object_equal($$) {
		1055	my ($a, $b) = @_;
		1056
		1057	return 0 unless (ref $a) eq (ref $b);
		1058
		1059	if ("HASH" eq ref $a) {
		1060	my @ka = keys %$a;
		1061	my @kb = keys %$b;
		1062
		1063	return 0 if @ka != @kb;
		1064
		1065	for (0 .. $#ka) {
		1066	return 0 unless $ka[$_] eq $kb[$_];
		1067	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1068	}
		1069
		1070	} elsif ("ARRAY" eq ref $a) {
		1071
		1072	return 0 if @$a != @$b;
		1073
		1074	for (0 .. $#$a) {
		1075	return 0 unless _object_equal $a->[$_], $b->[$_];
		1076	}
		1077
		1078	} elsif ($a ne $b) {
		1079	return 0;
		1080	}
		1081
		1082	1
		1083	}
		1084
		1085	our $SLOW_MERGES;#d#
		1086	sub _can_merge {
		1087	my ($ob1, $ob2) = @_;
		1088
		1089	++$SLOW_MERGES;#d#
		1090
		1091	# we do the slow way here
		1092	return _object_equal $ob1, $ob2
		1093	}
730		1094
731	sub reattach {	1095	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1097	my ($obj) = @_;
734		1098
		1099	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1100	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1101
737	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
738		1103
739	@$registry = ();	1104	@$registry = ();
740		1105
…		…
755	cf::attachable->attach (	1120	cf::attachable->attach (
756	prio => -1000000,	1121	prio => -1000000,
757	on_instantiate => sub {	1122	on_instantiate => sub {
758	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
759		1124
760	$data = from_json $data;	1125	$data = decode_json $data;
761		1126
762	for (@$data) {	1127	for (@$data) {
763	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
764		1129
765	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1146	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
783		1148
784	sync_job {	1149	sync_job {
785	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
788		1154
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1159	aio_close $fh;
794		1160
795	if (@$objs) {	1161	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1162	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1167	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
803	}	1169	}
804	} else {	1170	} else {
805	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
806	}	1172	}
…		…
811	}	1177	}
812	} else {	1178	} else {
813	aio_unlink $filename;	1179	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
815	}	1181	}
816	}	1182	};
817	}	1183	}
818		1184
819	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
821		1187
…		…
833	or return;	1199	or return;
834		1200
835	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
837	or return;	1203	or return;
		1204
838	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
839	}	1207	}
840		1208
		1209	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1211	$decname, length $data, scalar @{$av || []};
		1212
843	return ($data, $av);	1213	($data, $av)
844	}	1214	}
		1215
		1216	=head2 COMMAND CALLBACKS
		1217
		1218	=over 4
		1219
		1220	=cut
845		1221
846	#############################################################################	1222	#############################################################################
847	# command handling &c	1223	# command handling &c
848		1224
849	=item cf::register_command $name => \&callback($ob,$args);	1225	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1238	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1239	}
864		1240
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1241	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1242
867	Register a callbackf ro execution when the client sends an extcmd packet.	1243	Register a callback for execution when the client sends an (synchronous)
		1244	extcmd packet. Ext commands will be processed in the order they are
		1245	received by the server, like other user commands. The first argument is
		1246	the logged-in player. Ext commands can only be processed after a player
		1247	has logged in successfully.
868		1248
869	If the callback returns something, it is sent back as if reply was being	1249	If the callback returns something, it is sent back as if reply was being
870	called.	1250	called.
871		1251
		1252	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1253
		1254	Register a callback for execution when the client sends an (asynchronous)
		1255	exticmd packet. Exti commands are processed by the server as soon as they
		1256	are received, i.e. out of order w.r.t. other commands. The first argument
		1257	is a client socket. Exti commands can be received anytime, even before
		1258	log-in.
		1259
		1260	If the callback returns something, it is sent back as if reply was being
		1261	called.
		1262
872	=cut	1263	=cut
873		1264
874	sub register_extcmd {	1265	sub register_extcmd {
875	my ($name, $cb) = @_;	1266	my ($name, $cb) = @_;
876		1267
877	$EXTCMD{$name} = $cb;	1268	$EXTCMD{$name} = $cb;
		1269	}
		1270
		1271	sub register_exticmd {
		1272	my ($name, $cb) = @_;
		1273
		1274	$EXTICMD{$name} = $cb;
878	}	1275	}
879		1276
880	cf::player->attach (	1277	cf::player->attach (
881	on_command => sub {	1278	on_command => sub {
882	my ($pl, $name, $params) = @_;	1279	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1288	cf::override;
892	},	1289	},
893	on_extcmd => sub {	1290	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
895		1292
896	my $msg = eval { from_json $buf };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1294
898	if (ref $msg) {	1295	if (ref $msg) {
		1296	my ($type, $reply, @payload) =
		1297	"ARRAY" eq ref $msg
		1298	? @$msg
		1299	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1300
		1301	my @reply;
		1302
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
904	} else {	1310	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1312	}
907		1313
908	cf::override;	1314	cf::override;
909	},	1315	},
910	);	1316	);
911		1317
912	sub load_extension {
913	my ($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 {	1318	sub load_extensions {
		1319	cf::sync_job {
		1320	my %todo;
		1321
947	for my $ext (<$LIBDIR/*.ext>) {	1322	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1323	next unless -r $path;
949	eval {	1324
950	load_extension $ext;	1325	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1326	my $base = $1;
		1327	my $pkg = $1;
		1328	$pkg =~ s/[^[:word:]]/_/g;
		1329	$pkg = "ext::$pkg";
		1330
		1331	open my $fh, "<:utf8", $path
		1332	or die "$path: $!";
		1333
		1334	my $source = do { local $/; <$fh> };
		1335
		1336	my %ext = (
		1337	path => $path,
		1338	base => $base,
		1339	pkg => $pkg,
		1340	);
		1341
		1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1344
		1345	$ext{source} =
		1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1347	. "#line 1 \"$path\"\n{\n"
		1348	. $source
		1349	. "\n};\n1";
		1350
		1351	$todo{$base} = \%ext;
		1352	}
		1353
		1354	my %done;
		1355	while (%todo) {
		1356	my $progress;
		1357
		1358	while (my ($k, $v) = each %todo) {
		1359	for (split /,\s*/, $v->{meta}{depends}) {
		1360	goto skip
		1361	unless exists $done{$_};
		1362	}
		1363
		1364	warn "... loading '$k' into '$v->{pkg}'\n";
		1365
		1366	unless (eval $v->{source}) {
		1367	my $msg = $@ ? "$v->{path}: $@\n"
		1368	: "$v->{base}: extension inactive.\n";
		1369
		1370	if (exists $v->{meta}{mandatory}) {
		1371	warn $msg;
		1372	cf::cleanup "mandatory extension failed to load, exiting.";
		1373	}
		1374
		1375	warn $msg;
		1376	}
		1377
		1378	$done{$k} = delete $todo{$k};
		1379	push @EXTS, $v->{pkg};
		1380	$progress = 1;
951	1	1381	}
952	} or warn "$ext not loaded: $@";	1382
		1383	skip:
		1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1385	unless $progress;
		1386	}
953	}	1387	};
954	}	1388	}
955		1389
956	#############################################################################	1390	#############################################################################
957		1391
		1392	=back
		1393
958	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
959		1395
960	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
961		1397
962	=cut	1398	=cut
963		1399
964	package cf::player;	1400	package cf::player;
965		1401
966	use Coro::AIO;	1402	use Coro::AIO;
967		1403
968	=head3 cf::player	1404	=head3 cf::player
969		1405
970	=over 4	1406	=over 4
		1407
		1408	=item cf::player::num_playing
		1409
		1410	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1411
		1412	=cut
		1413
		1414	sub num_playing {
		1415	scalar grep
		1416	$_->ob->map
		1417	&& !$_->hidden
		1418	&& !$_->ob->flag (cf::FLAG_WIZ),
		1419	cf::player::list
		1420	}
971		1421
972	=item cf::player::find $login	1422	=item cf::player::find $login
973		1423
974	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
975		1425
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1464	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1465
1016	my $pl = load_pl path $login	1466	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1467	or return;
		1468
		1469	my $pl = cf::player::load_pl $f
		1470	or return;
		1471
		1472	local $cf::PLAYER_LOADING{$login} = $pl;
		1473	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
1019	}	1475	}
1020	}	1476	}
1021	}	1477	}
1022		1478
…		…
1031	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1032		1488
1033	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
1035		1491
		1492	cf::get_slot 0.01;
		1493
1036	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1037	Coro::cede;	1495	cf::cede_to_tick;
1038	}	1496	}
1039		1497
1040	sub new($) {	1498	sub new($) {
1041	my ($login) = @_;	1499	my ($login) = @_;
1042		1500
…		…
1048	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1049		1507
1050	$self	1508	$self
1051	}	1509	}
1052		1510
		1511	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1512
		1513	=cut
		1514
		1515	sub send_msg {
		1516	my $ns = shift->ns
		1517	or return;
		1518	$ns->send_msg (@_);
		1519	}
		1520
1053	=item $pl->quit_character	1521	=item $pl->quit_character
1054		1522
1055	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1057		1525
…		…
1061	my ($pl) = @_;	1529	my ($pl) = @_;
1062		1530
1063	my $name = $pl->ob->name;	1531	my $name = $pl->ob->name;
1064		1532
1065	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1534	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1535
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1072		1542
1073	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1580	or return [];
1111		1581
1112	my @logins;	1582	my @logins;
1113		1583
1114	for my $login (@$dirs) {	1584	for my $login (@$dirs) {
		1585	my $path = path $login;
		1586
		1587	# a .pst is a dead give-away for a valid player
		1588	# if no pst file found, open and chekc for blocked users
		1589	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1118		1594
1119	utf8::decode $login;	1595	utf8::decode $login;
1120	push @logins, $login;	1596	push @logins, $login;
1121	}	1597	}
1122		1598
…		…
1149	}	1625	}
1150		1626
1151	\@paths	1627	\@paths
1152	}	1628	}
1153		1629
		1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1631
		1632	Expand deliantra pod fragments into protocol xml.
		1633
1154	=item $player->ext_reply ($msgid, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1155		1635
1156	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1157		1637
1158	=cut	1638	=cut
1159		1639
1160	sub ext_reply($$%) {	1640	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1162		1642
1163	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1644	}
1167		1645
1168	=item $player->ext_event ($type, %msg)	1646	=item $player->ext_msg ($type, @msg)
1169		1647
1170	Sends an ext event to the client.	1648	Sends an ext event to the client.
1171		1649
1172	=cut	1650	=cut
1173		1651
1174	sub ext_event($$%) {	1652	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1653	my ($self, $type, @msg) = @_;
1176		1654
1177	$self->ns->ext_event ($type, %msg);	1655	$self->ns->ext_msg ($type, @msg);
1178	}	1656	}
1179		1657
1180	=head3 cf::region	1658	=head3 cf::region
1181		1659
1182	=over 4	1660	=over 4
…		…
1185		1663
1186	package cf::region;	1664	package cf::region;
1187		1665
1188	=item cf::region::find_by_path $path	1666	=item cf::region::find_by_path $path
1189		1667
1190	Tries to decuce the probable region for a map knowing only its path.	1668	Tries to decuce the likely region for a map knowing only its path.
1191		1669
1192	=cut	1670	=cut
1193		1671
1194	sub find_by_path($) {	1672	sub find_by_path($) {
1195	my ($path) = @_;	1673	my ($path) = @_;
1196		1674
1197	my ($match, $specificity);	1675	my ($match, $specificity);
1198		1676
1199	for my $region (list) {	1677	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1678	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1679	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1680	if $region->specificity > $specificity;
1203	}	1681	}
1204	}	1682	}
1205		1683
…		…
1226	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1228		1706
1229	sub generate_random_map {	1707	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1708	my ($self, $rmp) = @_;
		1709
		1710	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1711
1231	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1713	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1269	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1270		1751
1271	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1272	local $self->{path};	1753	local $self->{path};
1273	local $self->{load_path};	1754	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1755
1277	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1278	}	1757	}
1279		1758
1280	sub normalise {	1759	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1328	return $self;	1807	return $self;
1329	}	1808	}
1330	}	1809	}
1331		1810
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1812	()
1334	}	1813	}
1335		1814
1336	sub init {	1815	sub init {
1337	my ($self) = @_;	1816	my ($self) = @_;
…		…
1359		1838
1360	# the temporary/swap location	1839	# the temporary/swap location
1361	sub save_path {	1840	sub save_path {
1362	my ($self) = @_;	1841	my ($self) = @_;
1363		1842
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1844	"$TMPDIR/$path.map"
1366	}	1845	}
1367		1846
1368	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1369	sub uniq_path {	1848	sub uniq_path {
1370	my ($self) = @_;	1849	my ($self) = @_;
1371		1850
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1852	"$UNIQUEDIR/$path"
1374	}	1853	}
1375		1854
1376	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1377	# all maps in C++...	1856	# all maps in C++...
…		…
1380		1859
1381	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1383	}	1862	}
1384		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1385	sub unlink_save {	1872	sub unlink_save {
1386	my ($self) = @_;	1873	my ($self) = @_;
1387		1874
1388	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1879
1393	sub load_header_from($) {	1880	sub load_header_from($) {
1394	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1395		1882
1396	utf8::encode $path;	1883	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1402		1892
1403	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1404		1894
1405	1	1895	1
1406	}	1896	}
…		…
1445	$self->load_header_orig	1935	$self->load_header_orig
1446	or return;	1936	or return;
1447	$self->prepare_orig;	1937	$self->prepare_orig;
1448	}	1938	}
1449		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
1450	$self->default_region (cf::region::find_by_path $self->{path})	1943	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1944	unless $self->default_region;
1452		1945
1453	1	1946	1
1454	}	1947	}
…		…
1457	sub find {	1950	sub find {
1458	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1459		1952
1460	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1461		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1463		1957
1464	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1465	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1466	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1467	or return;	1963	or return;
1468		1964
1469	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1470		1966
1471	$map->load_header	1967	$map->load_header
1472	or return;	1968	or return;
1473		1969
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1477	$map->reset;	1975	$map->reset;
1478	undef $guard;
1479	return find $path;	1976	return find $path;
1480	}	1977	}
1481		1978
1482	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1483	}	1980	}
…		…
1492	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1493		1990
1494	my $path = $self->{path};	1991	my $path = $self->{path};
1495		1992
1496	{	1993	{
1497	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1498		1995
		1996	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		1998
1501	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1502		2000
1503	$self->alloc;	2001	$self->alloc;
1504		2002
1505	$self->pre_load;	2003	$self->pre_load;
1506	Coro::cede;	2004	cf::cede_to_tick;
1507		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1509	or return;	2009	or return;
1510		2010
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1512	if delete $self->{load_original};	2012	if delete $self->{load_original};
1513		2013
1514	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2015	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2018	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1519	}	2022	}
1520	}	2023	}
1521		2024
1522	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1523	# now do the right thing for maps	2028	# now do the right thing for maps
1524	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2031	unless $self->difficulty;
1527	Coro::cede;	2032	cf::cede_to_tick;
1528		2033
1529	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2035	$self->decay_objects;
1531	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1532	$self->update_buttons;	2037	$self->update_buttons;
1533	Coro::cede;	2038	cf::cede_to_tick;
1534	$self->set_darkness_map;	2039	$self->set_darkness_map;
1535	Coro::cede;	2040	cf::cede_to_tick;
1536	$self->activate;	2041	$self->activate;
1537	}	2042	}
1538		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1540	}	2048	}
1541		2049
1542	$self->post_load;	2050	$self->post_load;
1543	}	2051	}
1544		2052
…		…
1546	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1547		2055
1548	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2057	if $self->per_player;
1550		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1551	$self	2062	$self
1552	}	2063	}
1553		2064
1554	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	2066	sub load_neighbours {
1556	my ($map) = @_;	2067	my ($map) = @_;
1557		2068
1558	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1559		2070
1560	for (0 .. 3) {	2071	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1562	or next;	2073	or next;
1563	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1564	or next;	2075	or next;
1565	$neigh->load;	2076	$neigh->load;
1566		2077
		2078	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2081	}
1570		2082
1571	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1573	or next;	2086	or next;
1574	$neigh->load;	2087	$neigh->load;
1575	}	2088	}
1576	}	2089	}
1577		2090
…		…
1582	}	2095	}
1583		2096
1584	sub do_load_sync {	2097	sub do_load_sync {
1585	my ($map) = @_;	2098	my ($map) = @_;
1586		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1587	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1588	}	2104	}
1589		2105
1590	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1592		2108
1593	sub find_async {	2109	sub find_async {
1594	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1595		2111
1596	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1597		2113
1598	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600	}	2116	}
1601		2117
1602	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1603	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1604	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2125	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2126	$map->load if $v;
		2127	}
1609		2128
1610	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1611	}	2130	}
1612	}	2131	}
1613	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1614	};	2133	};
1615	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1618	}	2137	}
1619		2138
1620	sub save {	2139	sub save {
1621	my ($self) = @_;	2140	my ($self) = @_;
1622		2141
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1624		2143
1625	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1626		2145
1627	return unless $self->dirty;	2146	return unless $self->dirty;
1628		2147
…		…
1634	return if $self->{deny_save};	2153	return if $self->{deny_save};
1635		2154
1636	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1637		2156
1638	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1640	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1641		2163
1642	if ($uniq) {	2164	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1645	} else {	2167	} else {
…		…
1651	my ($self) = @_;	2173	my ($self) = @_;
1652		2174
1653	# save first because save cedes	2175	# save first because save cedes
1654	$self->save;	2176	$self->save;
1655		2177
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2179
1658	return if $self->players;	2180	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1660	return if $self->{deny_save};	2182	return if $self->{deny_save};
1661		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1662	$self->clear;	2188	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2189	}
1665		2190
1666	sub reset_at {	2191	sub reset_at {
1667	my ($self) = @_;	2192	my ($self) = @_;
1668		2193
1669	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1672		2196
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2199
…		…
1686	my ($self) = @_;	2210	my ($self) = @_;
1687		2211
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2213
1690	return if $self->players;	2214	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2215
1693	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1694		2217
1695	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1696		2219
1697	# need to save uniques path	2220	# need to save uniques path
1698	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2225	if $uniq;
1703	}	2226	}
1704		2227
1705	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1706		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2232	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2233
1711	$self->unlink_save;	2234	$self->unlink_save;
1712	$self->destroy;	2235	$self->destroy;
1713	}	2236	}
1714		2237
1715	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1716		2239
1717	sub nuke {	2240	sub nuke {
1718	my ($self) = @_;	2241	my ($self) = @_;
1719		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1720	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1721		2247
1722	$self->unlink_save;	2248	$self->unlink_save;
1723		2249
1724	bless $self, "cf::map";	2250	bless $self, "cf::map";
1725	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2255
1730	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1731		2258
1732	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
		2260	}
		2261
		2262	=item $maps = cf::map::tmp_maps
		2263
		2264	Returns an arrayref with all map paths of currently instantiated and saved
		2265	maps. May block.
		2266
		2267	=cut
		2268
		2269	sub tmp_maps() {
		2270	[
		2271	map {
		2272	utf8::decode $_;
		2273	/\.map$/
		2274	? normalise $_
		2275	: ()
		2276	} @{ aio_readdir $TMPDIR or [] }
		2277	]
		2278	}
		2279
		2280	=item $maps = cf::map::random_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	random maps. May block.
		2284
		2285	=cut
		2286
		2287	sub random_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise "?random/$_"
		2293	: ()
		2294	} @{ aio_readdir $RANDOMDIR or [] }
		2295	]
1733	}	2296	}
1734		2297
1735	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1736		2299
1737	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2301	instantiated unique items. May block.
1739		2302
1740	=cut	2303	=cut
1741		2304
1742	sub unique_maps() {	2305	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2306	[
1744	or return;	2307	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2308	utf8::decode $_;
1750	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1751	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752		2311	? ()
1753	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2314	]
1755
1756	\@paths
1757	}	2315	}
1758
1759	package cf;
1760		2316
1761	=back	2317	=back
1762		2318
1763	=head3 cf::object	2319	=head3 cf::object
1764		2320
…		…
1768		2324
1769	=over 4	2325	=over 4
1770		2326
1771	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1772		2328
1773	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1774		2331
1775	=cut	2332	=cut
1776		2333
1777	sub inv_recursive_;	2334	sub inv_recursive_;
1778	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1781		2338
1782	sub inv_recursive {	2339	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1784	}	2341	}
1785		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1786	package cf;	2371	package cf;
1787		2372
1788	=back	2373	=back
1789		2374
1790	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1796	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
1798	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1799		2384
1800	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1801		2400
1802	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1803	# with dialog boxes.	2402	# with dialog boxes.
1804	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1805	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1807		2406
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2408
1810	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1812	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1815	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1816	}	2434	}
1817		2435
1818	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1819		2437
1820	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1833		2451
1834	=item $player_object->enter_link	2452	=item $player_object->enter_link
1835		2453
1836	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1837		2455
1838	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
1839	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
1840		2460
1841	Will never block.	2461	Will never block.
1842		2462
1843	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1844		2464
…		…
1862	}	2482	}
1863		2483
1864	sub cf::object::player::enter_link {	2484	sub cf::object::player::enter_link {
1865	my ($self) = @_;	2485	my ($self) = @_;
1866		2486
		2487	$self->deactivate_recursive;
		2488
1867	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1868		2490
1869	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1870	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1871		2493
1872	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1873	}	2495	}
1874		2496
1875	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1876	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1877		2501
1878	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1879		2503
1880	unless ($map) {	2504	unless ($map) {
1881	# restore original map position	2505	# restore original map position
…		…
1895	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1896	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1897	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1898		2522
1899	$map->load;	2523	$map->load;
1900	$map->load_diag;	2524	$map->load_neighbours;
1901		2525
1902	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1903	$self->activate_recursive;	2528	$self->activate_recursive;
1904		2529
1905	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1906	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1907	}	2532	}
1908		2533
1909	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1910	on_logout => sub {
1911	my ($pl) = @_;
1912		2535
1913	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1914	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1915	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1916	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1917	};	2540	be called at the end of this process.
1918	}
1919	},
1920	on_login => sub {
1921	my ($pl) = @_;
1922		2541
1923	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1924	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1925	if ($pl->ob->{_link_pos}) {
1926	$pl->ob->enter_link;
1927	(async {
1928	$pl->ob->reply (undef,
1929	"There was an internal problem at your last logout, "
1930	. "the server will try to bring you to your intended destination in a second.",
1931	cf::NDI_RED);
1932	# we need this sleep as the login has a concurrent enter_exit running
1933	# and this sleep increases chances of the player not ending up in scorn
1934	Coro::Timer::sleep 1;
1935	$pl->ob->leave_link;
1936	})->prio (2);
1937	}
1938	},
1939	);
1940		2544
1941	=item $player_object->goto ($path, $x, $y)
1942
1943	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1944		2548
1945	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1946	my ($self, $path, $x, $y) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
		2551
		2552	# do generation counting so two concurrent goto's will be executed in-order
		2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1947		2554
1948	$self->enter_link;	2555	$self->enter_link;
1949		2556
1950	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
1951	my $map = eval {	2579	my $map = eval {
1952	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1953	$map = $map->customise_for ($self) if $map;	2583	$map = $map->customise_for ($self);
		2584	$map = $check->($map) if $check && $map;
		2585	} else {
		2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588
1954	$map	2589	$map
		2590	};
		2591
		2592	if ($@) {
		2593	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	LOG llevError | logBacktrace, Carp::longmess $@;
1955	} or	2595	}
1956	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1957		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1958	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1959	})->prio (1);	2603	})->prio (1);
1960	}	2604	}
1961		2605
1962	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1963		2607
…		…
1983	}	2627	}
1984		2628
1985	sub prepare_random_map {	2629	sub prepare_random_map {
1986	my ($exit) = @_;	2630	my ($exit) = @_;
1987		2631
1988	my $guard = cf::lock_acquire "exit_prepare:$exit";
1989
1990	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1991	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1992	# that depends on the exit object	2634	# that depends on the exit object
1993		2635
1994	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
1996	if ($exit->map) {	2638	if ($exit->map) {
1997	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
1998	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1999	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2000	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2001	}	2645	}
2002		2646
2003	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2004		2648
2005	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2006	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2007	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2008		2652
2009	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2010	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2011	undef $fh;	2655	undef $fh;
2012	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2013		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2014	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2015	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2016	}	2664	}
2017	}	2665	}
2018		2666
2019	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2020	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2021		2669
2022	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2023		2671
2024	if ($exit->slaying eq "/!") {
2025	#TODO: this should de-fi-ni-te-ly not be a sync-job
2026	# the problem is that $exit might not survive long enough
2027	# so it needs to be done right now, right here
2028	cf::sync_job { prepare_random_map $exit };
2029	}
2030
2031	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2032	my $hp = $exit->stats->hp;
2033	my $sp = $exit->stats->sp;
2034
2035	$self->enter_link;	2672	$self->enter_link;
2036		2673
2037	(async {	2674	(async {
2038	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2039	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2040	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2041		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2042	1;	2698	1
2043	}) {	2699	}) {
2044	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2045	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2046	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2047	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2048		2704
2049	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2068		2724
2069	utf8::encode $text;	2725	utf8::encode $text;
2070	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2071	}	2727	}
2072		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/skills" => {
		2777	id => "infobox",
		2778	title => "Skills",
		2779	reply => undef,
		2780	tooltip => "Shows your experience per skill and item power",
		2781	},
		2782	"c/uptime" => {
		2783	id => "infobox",
		2784	title => "Uptime",
		2785	reply => undef,
		2786	tooltip => "How long the server has been running since last restart",
		2787	},
		2788	"c/mapinfo" => {
		2789	id => "infobox",
		2790	title => "Map Info",
		2791	reply => undef,
		2792	tooltip => "Information related to the maps",
		2793	},
		2794	"c/party" => {
		2795	id => "party",
		2796	title => "Party",
		2797	reply => "gsay ",
		2798	tooltip => "Messages and chat related to your party",
		2799	},
		2800	);
		2801
		2802	sub cf::client::send_msg {
		2803	my ($self, $channel, $msg, $color, @extra) = @_;
		2804
		2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
		2829
		2830	return unless @extra || length $msg;
		2831
		2832	if ($self->can_msg) {
		2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	my $pkt = "msg "
		2838	. $self->{json_coder}->encode (
		2839	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2840	);
		2841
		2842	# try lzf for large packets
		2843	$pkt = "lzf " . Compress::LZF::compress $pkt
		2844	if 1024 <= length $pkt and $self->{can_lzf};
		2845
		2846	# split very large packets
		2847	if (8192 < length $pkt and $self->{can_lzf}) {
		2848	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2849	$pkt = "frag";
		2850	}
		2851
		2852	$self->send_packet ($pkt);
		2853	} else {
		2854	if ($color >= 0) {
		2855	# replace some tags by gcfclient-compatible ones
		2856	for ($msg) {
		2857	1 while
		2858	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2859	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2860	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2861	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2862	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2863	}
		2864
		2865	$color &= cf::NDI_COLOR_MASK;
		2866
		2867	utf8::encode $msg;
		2868
		2869	if (0 && $msg =~ /\[/) {
		2870	# COMMAND/INFO
		2871	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2872	} else {
		2873	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2874	$self->send_packet ("drawinfo $color $msg")
		2875	}
		2876	}
		2877	}
		2878	}
		2879
2073	=item $client->ext_event ($type, %msg)	2880	=item $client->ext_msg ($type, @msg)
2074		2881
2075	Sends an exti event to the client.	2882	Sends an ext event to the client.
2076		2883
2077	=cut	2884	=cut
2078		2885
2079	sub cf::client::ext_event($$%) {	2886	sub cf::client::ext_msg($$@) {
2080	my ($self, $type, %msg) = @_;	2887	my ($self, $type, @msg) = @_;
2081		2888
		2889	if ($self->extcmd == 2) {
		2890	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2891	} elsif ($self->extcmd == 1) { # TODO: remove
2082	$msg{msgtype} = "event_$type";	2892	push @msg, msgtype => "event_$type";
2083	$self->send_packet ("ext " . cf::to_json \%msg);	2893	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2894	}
		2895	}
		2896
		2897	=item $client->ext_reply ($msgid, @msg)
		2898
		2899	Sends an ext reply to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_reply($$@) {
		2904	my ($self, $id, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2908	} elsif ($self->extcmd == 1) {
		2909	#TODO: version 1, remove
		2910	unshift @msg, msgtype => "reply", msgid => $id;
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2912	}
2084	}	2913	}
2085		2914
2086	=item $success = $client->query ($flags, "text", \&cb)	2915	=item $success = $client->query ($flags, "text", \&cb)
2087		2916
2088	Queues a query to the client, calling the given callback with	2917	Queues a query to the client, calling the given callback with
2089	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2918	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2090	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2919	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2091		2920
2092	Queries can fail, so check the return code. Or don't, as queries will become	2921	Queries can fail, so check the return code. Or don't, as queries will
2093	reliable at some point in the future.	2922	become reliable at some point in the future.
2094		2923
2095	=cut	2924	=cut
2096		2925
2097	sub cf::client::query {	2926	sub cf::client::query {
2098	my ($self, $flags, $text, $cb) = @_;	2927	my ($self, $flags, $text, $cb) = @_;
…		…
2106	utf8::encode $text;	2935	utf8::encode $text;
2107	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2936	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2108		2937
2109	$self->send_packet ($self->{query_queue}[0][0])	2938	$self->send_packet ($self->{query_queue}[0][0])
2110	if @{ $self->{query_queue} } == 1;	2939	if @{ $self->{query_queue} } == 1;
		2940
		2941	1
2111	}	2942	}
2112		2943
2113	cf::client->attach (	2944	cf::client->attach (
		2945	on_connect => sub {
		2946	my ($ns) = @_;
		2947
		2948	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2949	},
2114	on_reply => sub {	2950	on_reply => sub {
2115	my ($ns, $msg) = @_;	2951	my ($ns, $msg) = @_;
2116		2952
2117	# this weird shuffling is so that direct followup queries	2953	# this weird shuffling is so that direct followup queries
2118	# get handled first	2954	# get handled first
…		…
2130	} else {	2966	} else {
2131	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2967	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2132	}	2968	}
2133	}	2969	}
2134	},	2970	},
		2971	on_exticmd => sub {
		2972	my ($ns, $buf) = @_;
		2973
		2974	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2975
		2976	if (ref $msg) {
		2977	my ($type, $reply, @payload) =
		2978	"ARRAY" eq ref $msg
		2979	? @$msg
		2980	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2981
		2982	my @reply;
		2983
		2984	if (my $cb = $EXTICMD{$type}) {
		2985	@reply = $cb->($ns, @payload);
		2986	}
		2987
		2988	$ns->ext_reply ($reply, @reply)
		2989	if $reply;
		2990
		2991	} else {
		2992	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2993	}
		2994
		2995	cf::override;
		2996	},
2135	);	2997	);
2136		2998
2137	=item $client->async (\&cb)	2999	=item $client->async (\&cb)
2138		3000
2139	Create a new coroutine, running the specified callback. The coroutine will	3001	Create a new coroutine, running the specified callback. The coroutine will
…		…
2180	our $safe = new Safe "safe";	3042	our $safe = new Safe "safe";
2181	our $safe_hole = new Safe::Hole;	3043	our $safe_hole = new Safe::Hole;
2182		3044
2183	$SIG{FPE} = 'IGNORE';	3045	$SIG{FPE} = 'IGNORE';
2184		3046
2185	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3047	$safe->permit_only (Opcode::opset qw(
		3048	:base_core :base_mem :base_orig :base_math
		3049	grepstart grepwhile mapstart mapwhile
		3050	sort time
		3051	));
2186		3052
2187	# here we export the classes and methods available to script code	3053	# here we export the classes and methods available to script code
2188		3054
2189	=pod	3055	=pod
2190		3056
2191	The following functions and methods are available within a safe environment:	3057	The following functions and methods are available within a safe environment:
2192		3058
2193	cf::object contr pay_amount pay_player map	3059	cf::object
		3060	contr pay_amount pay_player map x y force_find force_add destroy
		3061	insert remove name archname title slaying race decrease split
		3062
2194	cf::object::player player	3063	cf::object::player
2195	cf::player peaceful	3064	player
2196	cf::map trigger	3065
		3066	cf::player
		3067	peaceful
		3068
		3069	cf::map
		3070	trigger
2197		3071
2198	=cut	3072	=cut
2199		3073
2200	for (	3074	for (
2201	["cf::object" => qw(contr pay_amount pay_player map)],	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3076	insert remove inv nrof name archname title slaying race
		3077	decrease split destroy change_exp)],
2202	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2203	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful)],
2204	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2205	) {	3081	) {
2206	no strict 'refs';	3082	no strict 'refs';
…		…
2277	=back	3153	=back
2278		3154
2279	=cut	3155	=cut
2280		3156
2281	#############################################################################	3157	#############################################################################
2282
2283	=head2 EXTENSION DATABASE SUPPORT
2284
2285	Crossfire maintains a very simple database for extension use. It can
2286	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2287	convert to/from binary).
2288
2289	The parameter C<$family> should best start with the name of the extension
2290	using it, it should be unique.
2291
2292	=over 4
2293
2294	=item $value = cf::db_get $family => $key
2295
2296	Returns a single value from the database.
2297
2298	=item cf::db_put $family => $key => $value
2299
2300	Stores the given C<$value> in the family.
2301
2302	=cut
2303
2304	our $DB;
2305
2306	sub db_init {
2307	unless ($DB) {
2308	$DB = BDB::db_create $DB_ENV;
2309
2310	cf::sync_job {
2311	eval {
2312	$DB->set_flags (BDB::CHKSUM);
2313
2314	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2315	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2316	cf::cleanup "db_open(db): $!" if $!;
2317	};
2318	cf::cleanup "db_open(db): $@" if $@;
2319	};
2320	}
2321	}
2322
2323	sub db_get($$) {
2324	my $key = "$_[0]/$_[1]";
2325
2326	cf::sync_job {
2327	BDB::db_get $DB, undef, $key, my $data;
2328
2329	$! ? ()
2330	: $data
2331	}
2332	}
2333
2334	sub db_put($$$) {
2335	BDB::dbreq_pri 4;
2336	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2337	}
2338
2339	=item cf::cache $id => [$paths...], $processversion => $process
2340
2341	Generic caching function that returns the value of the resource $id,
2342	caching and regenerating as required.
2343
2344	This function can block.
2345
2346	=cut
2347
2348	sub cache {
2349	my ($id, $src, $processversion, $process) = @_;
2350
2351	my $meta =
2352	join "\x00",
2353	$processversion,
2354	map {
2355	aio_stat $_
2356	and Carp::croak "$_: $!";
2357
2358	($_, (stat _)[7,9])
2359	} @$src;
2360
2361	my $dbmeta = db_get cache => "$id/meta";
2362	if ($dbmeta ne $meta) {
2363	# changed, we may need to process
2364
2365	my @data;
2366	my $md5;
2367
2368	for (0 .. $#$src) {
2369	0 <= aio_load $src->[$_], $data[$_]
2370	or Carp::croak "$src->[$_]: $!";
2371	}
2372
2373	# if processing is expensive, check
2374	# checksum first
2375	if (1) {
2376	$md5 =
2377	join "\x00",
2378	$processversion,
2379	map {
2380	Coro::cede;
2381	($src->[$_], Digest::MD5::md5_hex $data[$_])
2382	} 0.. $#$src;
2383
2384
2385	my $dbmd5 = db_get cache => "$id/md5";
2386	if ($dbmd5 eq $md5) {
2387	db_put cache => "$id/meta", $meta;
2388
2389	return db_get cache => "$id/data";
2390	}
2391	}
2392
2393	my $t1 = Time::HiRes::time;
2394	my $data = $process->(\@data);
2395	my $t2 = Time::HiRes::time;
2396
2397	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2398
2399	db_put cache => "$id/data", $data;
2400	db_put cache => "$id/md5" , $md5;
2401	db_put cache => "$id/meta", $meta;
2402
2403	return $data;
2404	}
2405
2406	db_get cache => "$id/data"
2407	}
2408
2409	=item fork_call { }, $args
2410
2411	Executes the given code block with the given arguments in a seperate
2412	process, returning the results. Everything must be serialisable with
2413	Coro::Storable. May, of course, block. Note that the executed sub may
2414	never block itself or use any form of Event handling.
2415
2416	=cut
2417
2418	sub fork_call(&@) {
2419	my ($cb, @args) = @_;
2420
2421	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2422	# or die "socketpair: $!";
2423	pipe my $fh1, my $fh2
2424	or die "pipe: $!";
2425
2426	if (my $pid = fork) {
2427	close $fh2;
2428
2429	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2430	$res = Coro::Storable::thaw $res;
2431
2432	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2433
2434	die $$res unless "ARRAY" eq ref $res;
2435
2436	return wantarray ? @$res : $res->[-1];
2437	} else {
2438	local $SIG{__WARN__};
2439	eval {
2440	local $SIG{__DIE__};
2441	close $fh1;
2442
2443	my @res = eval { $cb->(@args) };
2444	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2445	};
2446
2447	warn $@ if $@;
2448	_exit 0;
2449	}
2450	}
2451
2452
2453
2454	#############################################################################
2455	# the server's init and main functions	3158	# the server's init and main functions
2456		3159
2457	sub load_facedata($) {	3160	sub load_facedata($) {
2458	my ($path) = @_;	3161	my ($path) = @_;
		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2459		3168
2460	warn "loading facedata from $path\n";	3169	warn "loading facedata from $path\n";
2461		3170
2462	my $facedata;	3171	my $facedata;
2463	0 < aio_load $path, $facedata	3172	0 < aio_load $path, $facedata
…		…
2466	$facedata = Coro::Storable::thaw $facedata;	3175	$facedata = Coro::Storable::thaw $facedata;
2467		3176
2468	$facedata->{version} == 2	3177	$facedata->{version} == 2
2469	or cf::cleanup "$path: version mismatch, cannot proceed.";	3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2470		3179
		3180	# patch in the exptable
		3181	$facedata->{resource}{"res/exp_table"} = {
		3182	type => FT_RSRC,
		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3184	};
		3185	cf::cede_to_tick;
		3186
2471	{	3187	{
2472	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
2473		3189
2474	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2475	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
2476	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
2477	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2478	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2479	Coro::cede;	3197
		3198	cf::cede_to_tick;
2480	}	3199	}
2481		3200
2482	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2483	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2484	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2485	or next;	3205	or next;
		3206
2486	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
2487	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2488	} else {	3210	} else {
2489	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
2490	}	3212	}
2491	Coro::cede;	3213
		3214	cf::cede_to_tick;
2492	}	3215	}
2493	}	3216	}
2494		3217
2495	{	3218	{
2496	my $anims = $facedata->{animinfo};	3219	my $anims = $facedata->{animinfo};
2497		3220
2498	while (my ($anim, $info) = each %$anims) {	3221	while (my ($anim, $info) = each %$anims) {
2499	cf::anim::set $anim, $info->{frames}, $info->{facings};	3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
2500	Coro::cede;	3223	cf::cede_to_tick;
2501	}	3224	}
2502		3225
2503	cf::anim::invalidate_all; # d'oh	3226	cf::anim::invalidate_all; # d'oh
2504	}	3227	}
2505		3228
		3229	{
		3230	# TODO: for gcfclient pleasure, we should give resources
		3231	# that gcfclient doesn't grok a >10000 face index.
		3232	my $res = $facedata->{resource};
		3233
		3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
		3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
		3238
		3239	if ($info->{type} & 1) {
		3240	# prepend meta info
		3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
		3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
		3254	} else {
		3255	$RESOURCE{$name} = $info;
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3263
2506	1	3264	1
2507	}	3265	}
2508		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
2509	sub reload_regions {	3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
2510	load_resource_file "$MAPDIR/regions"	3310	load_resource_file "$MAPDIR/regions"
2511	or die "unable to load regions file\n";	3311	or die "unable to load regions file\n";
		3312
		3313	for (cf::region::list) {
		3314	$_->{match} = qr/$_->{match}/
		3315	if exists $_->{match};
		3316	}
2512	}	3317	}
2513		3318
2514	sub reload_facedata {	3319	sub reload_facedata {
2515	load_facedata "$DATADIR/facedata"	3320	load_facedata "$DATADIR/facedata"
2516	or die "unable to load facedata\n";	3321	or die "unable to load facedata\n";
…		…
2527	}	3332	}
2528		3333
2529	sub reload_resources {	3334	sub reload_resources {
2530	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
2531		3336
2532	reload_regions;
2533	reload_facedata;	3337	reload_facedata;
2534	reload_archetypes;	3338	reload_archetypes;
		3339	reload_regions;
2535	reload_treasures;	3340	reload_treasures;
2536		3341
2537	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
2538	}	3343	}
2539		3344
2540	sub init {	3345	sub init {
		3346	my $guard = freeze_mainloop;
		3347
		3348	evthread_start IO::AIO::poll_fileno;
		3349
2541	reload_resources;	3350	reload_resources;
2542	}	3351	}
2543		3352
2544	sub cfg_load {	3353	sub reload_config {
2545	open my $fh, "<:utf8", "$CONFDIR/config"	3354	open my $fh, "<:utf8", "$CONFDIR/config"
2546	or return;	3355	or return;
2547		3356
2548	local $/;	3357	local $/;
2549	*CFG = YAML::Syck::Load <$fh>;	3358	*CFG = YAML::Load <$fh>;
2550		3359
2551	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3360	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2552		3361
2553	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3362	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2554	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3363	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2560	};	3369	};
2561	warn $@ if $@;	3370	warn $@ if $@;
2562	}	3371	}
2563	}	3372	}
2564		3373
		3374	sub pidfile() {
		3375	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3376	or die "$PIDFILE: $!";
		3377	flock $fh, &Fcntl::LOCK_EX
		3378	or die "$PIDFILE: flock: $!";
		3379	$fh
		3380	}
		3381
		3382	# make sure only one server instance is running at any one time
		3383	sub atomic {
		3384	my $fh = pidfile;
		3385
		3386	my $pid = <$fh>;
		3387	kill 9, $pid if $pid > 0;
		3388
		3389	seek $fh, 0, 0;
		3390	print $fh $$;
		3391	}
		3392
2565	sub main {	3393	sub main {
		3394	atomic;
		3395
2566	# we must not ever block the main coroutine	3396	# we must not ever block the main coroutine
2567	local $Coro::idle = sub {	3397	local $Coro::idle = sub {
2568	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3398	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2569	(async {	3399	(async {
2570	Event::one_event;	3400	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3401	EV::loop EV::LOOP_ONESHOT;
2571	})->prio (Coro::PRIO_MAX);	3402	})->prio (Coro::PRIO_MAX);
2572	};	3403	};
2573		3404
2574	cfg_load;	3405	{
		3406	my $guard = freeze_mainloop;
		3407	reload_config;
2575	db_init;	3408	db_init;
2576	load_extensions;	3409	load_extensions;
2577		3410
2578	$TICK_WATCHER->start;	3411	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3412	}
		3413
		3414	utime time, time, $RUNTIMEFILE;
		3415
		3416	# no (long-running) fork's whatsoever before this point(!)
		3417	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3418
2579	Event::loop;	3419	EV::loop;
2580	}	3420	}
2581		3421
2582	#############################################################################	3422	#############################################################################
2583	# initialisation and cleanup	3423	# initialisation and cleanup
2584		3424
2585	# install some emergency cleanup handlers	3425	# install some emergency cleanup handlers
2586	BEGIN {	3426	BEGIN {
		3427	our %SIGWATCHER = ();
2587	for my $signal (qw(INT HUP TERM)) {	3428	for my $signal (qw(INT HUP TERM)) {
2588	Event->signal (	3429	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2589	reentrant => 0,
2590	data => WF_AUTOCANCEL,
2591	signal => $signal,
2592	prio => 0,
2593	cb => sub {
2594	cf::cleanup "SIG$signal";	3430	cf::cleanup "SIG$signal";
2595	},
2596	);	3431	};
		3432	}
		3433	}
		3434
		3435	sub write_runtime_sync {
		3436	# first touch the runtime file to show we are still running:
		3437	# the fsync below can take a very very long time.
		3438
		3439	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3440
		3441	my $guard = cf::lock_acquire "write_runtime";
		3442
		3443	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3444	or return;
		3445
		3446	my $value = $cf::RUNTIME + 90 + 10;
		3447	# 10 is the runtime save interval, for a monotonic clock
		3448	# 60 allows for the watchdog to kill the server.
		3449
		3450	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3451	and return;
		3452
		3453	# always fsync - this file is important
		3454	aio_fsync $fh
		3455	and return;
		3456
		3457	# touch it again to show we are up-to-date
		3458	aio_utime $fh, undef, undef;
		3459
		3460	close $fh
		3461	or return;
		3462
		3463	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3464	and return;
		3465
		3466	warn "runtime file written.\n";
		3467
2597	}	3468	1
		3469	}
		3470
		3471	our $uuid_lock;
		3472	our $uuid_skip;
		3473
		3474	sub write_uuid_sync($) {
		3475	$uuid_skip ||= $_[0];
		3476
		3477	return if $uuid_lock;
		3478	local $uuid_lock = 1;
		3479
		3480	my $uuid = "$LOCALDIR/uuid";
		3481
		3482	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3486	$uuid_skip = 0;
		3487
		3488	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3489	and return;
		3490
		3491	# always fsync - this file is important
		3492	aio_fsync $fh
		3493	and return;
		3494
		3495	close $fh
		3496	or return;
		3497
		3498	aio_rename "$uuid~", $uuid
		3499	and return;
		3500
		3501	warn "uuid file written ($value).\n";
		3502
		3503	1
		3504
		3505	}
		3506
		3507	sub write_uuid($$) {
		3508	my ($skip, $sync) = @_;
		3509
		3510	$sync ? write_uuid_sync $skip
		3511	: async { write_uuid_sync $skip };
2598	}	3512	}
2599		3513
2600	sub emergency_save() {	3514	sub emergency_save() {
2601	my $freeze_guard = cf::freeze_mainloop;	3515	my $freeze_guard = cf::freeze_mainloop;
2602		3516
…		…
2608	# and maps saved/destroyed asynchronously.	3522	# and maps saved/destroyed asynchronously.
2609	warn "begin emergency player save\n";	3523	warn "begin emergency player save\n";
2610	for my $login (keys %cf::PLAYER) {	3524	for my $login (keys %cf::PLAYER) {
2611	my $pl = $cf::PLAYER{$login} or next;	3525	my $pl = $cf::PLAYER{$login} or next;
2612	$pl->valid or next;	3526	$pl->valid or next;
		3527	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2613	$pl->save;	3528	$pl->save;
2614	}	3529	}
2615	warn "end emergency player save\n";	3530	warn "end emergency player save\n";
2616		3531
2617	warn "begin emergency map save\n";	3532	warn "begin emergency map save\n";
…		…
2623	warn "end emergency map save\n";	3538	warn "end emergency map save\n";
2624		3539
2625	warn "begin emergency database checkpoint\n";	3540	warn "begin emergency database checkpoint\n";
2626	BDB::db_env_txn_checkpoint $DB_ENV;	3541	BDB::db_env_txn_checkpoint $DB_ENV;
2627	warn "end emergency database checkpoint\n";	3542	warn "end emergency database checkpoint\n";
		3543
		3544	warn "begin write uuid\n";
		3545	write_uuid_sync 1;
		3546	warn "end write uuid\n";
2628	};	3547	};
2629		3548
2630	warn "leave emergency perl save\n";	3549	warn "leave emergency perl save\n";
2631	}	3550	}
2632		3551
2633	sub post_cleanup {	3552	sub post_cleanup {
2634	my ($make_core) = @_;	3553	my ($make_core) = @_;
2635		3554
2636	warn Carp::longmess "post_cleanup backtrace"	3555	warn Carp::longmess "post_cleanup backtrace"
2637	if $make_core;	3556	if $make_core;
		3557
		3558	my $fh = pidfile;
		3559	unlink $PIDFILE if <$fh> == $$;
2638	}	3560	}
		3561
		3562	# a safer delete_package, copied from Symbol
		3563	sub clear_package($) {
		3564	my $pkg = shift;
		3565
		3566	# expand to full symbol table name if needed
		3567	unless ($pkg =~ /^main::.*::$/) {
		3568	$pkg = "main$pkg" if $pkg =~ /^::/;
		3569	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3570	$pkg .= '::' unless $pkg =~ /::$/;
		3571	}
		3572
		3573	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3574	my $stem_symtab = *{$stem}{HASH};
		3575
		3576	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3577	or return;
		3578
		3579	# clear all symbols
		3580	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3581	for my $name (keys %$leaf_symtab) {
		3582	_gv_clear *{"$pkg$name"};
		3583	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3584	}
		3585	warn "cleared package #$pkg\n";#d#
		3586	}
		3587
		3588	our $RELOAD; # how many times to reload
2639		3589
2640	sub do_reload_perl() {	3590	sub do_reload_perl() {
2641	# can/must only be called in main	3591	# can/must only be called in main
2642	if ($Coro::current != $Coro::main) {	3592	if ($Coro::current != $Coro::main) {
2643	warn "can only reload from main coroutine";	3593	warn "can only reload from main coroutine";
2644	return;	3594	return;
2645	}	3595	}
2646		3596
		3597	return if $RELOAD++;
		3598
		3599	while ($RELOAD) {
2647	warn "reloading...";	3600	warn "reloading...";
2648		3601
2649	warn "entering sync_job";	3602	warn "entering sync_job";
2650		3603
2651	cf::sync_job {	3604	cf::sync_job {
2652	cf::write_runtime; # external watchdog should not bark	3605	cf::write_runtime_sync; # external watchdog should not bark
2653	cf::emergency_save;	3606	cf::emergency_save;
2654	cf::write_runtime; # external watchdog should not bark	3607	cf::write_runtime_sync; # external watchdog should not bark
2655		3608
2656	warn "syncing database to disk";	3609	warn "syncing database to disk";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
2658		3611
2659	# if anything goes wrong in here, we should simply crash as we already saved	3612	# if anything goes wrong in here, we should simply crash as we already saved
2660		3613
2661	warn "cancelling all WF_AUTOCANCEL watchers";
2662	for (Event::all_watchers) {
2663	$_->cancel if $_->data & WF_AUTOCANCEL;
2664	}
2665
2666	warn "flushing outstanding aio requests";	3614	warn "flushing outstanding aio requests";
2667	for (;;) {
2668	BDB::flush;
2669	IO::AIO::flush;
2670	Coro::cede;
2671	last unless IO::AIO::nreqs || BDB::nreqs;	3615	while (IO::AIO::nreqs || BDB::nreqs) {
2672	warn "iterate...";	3616	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2673	}
2674
2675	++$RELOAD;
2676
2677	warn "cancelling all extension coros";
2678	$_->cancel for values %EXT_CORO;
2679	%EXT_CORO = ();
2680
2681	warn "removing commands";
2682	%COMMAND = ();
2683
2684	warn "removing ext commands";
2685	%EXTCMD = ();
2686
2687	warn "unloading/nuking all extensions";
2688	for my $pkg (@EXTS) {
2689	warn "... unloading $pkg";
2690
2691	if (my $cb = $pkg->can ("unload")) {
2692	eval {
2693	$cb->($pkg);
2694	1
2695	} or warn "$pkg unloaded, but with errors: $@";
2696	}	3617	}
2697		3618
2698	warn "... nuking $pkg";	3619	warn "cancelling all extension coros";
2699	Symbol::delete_package $pkg;	3620	$_->cancel for values %EXT_CORO;
2700	}	3621	%EXT_CORO = ();
2701		3622
2702	warn "unloading all perl modules loaded from $LIBDIR";	3623	warn "removing commands";
2703	while (my ($k, $v) = each %INC) {	3624	%COMMAND = ();
2704	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2705		3625
		3626	warn "removing ext/exti commands";
		3627	%EXTCMD = ();
		3628	%EXTICMD = ();
		3629
		3630	warn "unloading/nuking all extensions";
		3631	for my $pkg (@EXTS) {
2706	warn "... unloading $k";	3632	warn "... unloading $pkg";
2707	delete $INC{$k};
2708		3633
2709	$k =~ s/\.pm$//;
2710	$k =~ s/\//::/g;
2711
2712	if (my $cb = $k->can ("unload_module")) {	3634	if (my $cb = $pkg->can ("unload")) {
		3635	eval {
2713	$cb->();	3636	$cb->($pkg);
		3637	1
		3638	} or warn "$pkg unloaded, but with errors: $@";
		3639	}
		3640
		3641	warn "... clearing $pkg";
		3642	clear_package $pkg;
2714	}	3643	}
2715		3644
2716	Symbol::delete_package $k;	3645	warn "unloading all perl modules loaded from $LIBDIR";
		3646	while (my ($k, $v) = each %INC) {
		3647	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3648
		3649	warn "... unloading $k";
		3650	delete $INC{$k};
		3651
		3652	$k =~ s/\.pm$//;
		3653	$k =~ s/\//::/g;
		3654
		3655	if (my $cb = $k->can ("unload_module")) {
		3656	$cb->();
		3657	}
		3658
		3659	clear_package $k;
2717	}	3660	}
2718		3661
2719	warn "getting rid of safe::, as good as possible";	3662	warn "getting rid of safe::, as good as possible";
2720	Symbol::delete_package "safe::$_"	3663	clear_package "safe::$_"
2721	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3664	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2722		3665
2723	warn "unloading cf.pm \"a bit\"";	3666	warn "unloading cf.pm \"a bit\"";
2724	delete $INC{"cf.pm"};	3667	delete $INC{"cf.pm"};
2725	delete $INC{"cf/pod.pm"};	3668	delete $INC{"cf/pod.pm"};
2726		3669
2727	# don't, removes xs symbols, too,	3670	# don't, removes xs symbols, too,
2728	# and global variables created in xs	3671	# and global variables created in xs
2729	#Symbol::delete_package __PACKAGE__;	3672	#clear_package __PACKAGE__;
2730		3673
2731	warn "unload completed, starting to reload now";	3674	warn "unload completed, starting to reload now";
2732		3675
2733	warn "reloading cf.pm";	3676	warn "reloading cf.pm";
2734	require cf;	3677	require cf;
2735	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3678	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2736		3679
2737	warn "loading config and database again";	3680	warn "loading config and database again";
2738	cf::cfg_load;	3681	cf::reload_config;
2739		3682
2740	warn "loading extensions";	3683	warn "loading extensions";
2741	cf::load_extensions;	3684	cf::load_extensions;
2742		3685
2743	warn "reattaching attachments to objects/players";	3686	warn "reattaching attachments to objects/players";
2744	_global_reattach; # objects, sockets	3687	_global_reattach; # objects, sockets
2745	warn "reattaching attachments to maps";	3688	warn "reattaching attachments to maps";
2746	reattach $_ for values %MAP;	3689	reattach $_ for values %MAP;
2747	warn "reattaching attachments to players";	3690	warn "reattaching attachments to players";
2748	reattach $_ for values %PLAYER;	3691	reattach $_ for values %PLAYER;
2749		3692
2750	warn "leaving sync_job";	3693	warn "leaving sync_job";
2751		3694
2752	1	3695	1
2753	} or do {	3696	} or do {
2754	warn $@;	3697	warn $@;
2755	warn "error while reloading, exiting.";	3698	cf::cleanup "error while reloading, exiting.";
2756	exit 1;
2757	};	3699	};
2758		3700
2759	warn "reloaded";	3701	warn "reloaded";
		3702	--$RELOAD;
		3703	}
2760	};	3704	};
2761		3705
2762	our $RELOAD_WATCHER; # used only during reload	3706	our $RELOAD_WATCHER; # used only during reload
2763		3707
2764	sub reload_perl() {	3708	sub reload_perl() {
2765	# doing reload synchronously and two reloads happen back-to-back,	3709	# doing reload synchronously and two reloads happen back-to-back,
2766	# coro crashes during coro_state_free->destroy here.	3710	# coro crashes during coro_state_free->destroy here.
2767		3711
2768	$RELOAD_WATCHER ||= Event->timer (	3712	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2769	reentrant => 0,
2770	after => 0,
2771	data => WF_AUTOCANCEL,
2772	cb => sub {
2773	do_reload_perl;	3713	do_reload_perl;
2774	undef $RELOAD_WATCHER;	3714	undef $RELOAD_WATCHER;
2775	},
2776	);	3715	};
2777	}	3716	}
2778		3717
2779	register_command "reload" => sub {	3718	register_command "reload" => sub {
2780	my ($who, $arg) = @_;	3719	my ($who, $arg) = @_;
2781		3720
2782	if ($who->flag (FLAG_WIZ)) {	3721	if ($who->flag (FLAG_WIZ)) {
2783	$who->message ("reloading server.");	3722	$who->message ("reloading server.");
		3723	async {
		3724	$Coro::current->{desc} = "perl_reload";
2784	async { reload_perl };	3725	reload_perl;
		3726	};
2785	}	3727	}
2786	};	3728	};
2787		3729
2788	unshift @INC, $LIBDIR;	3730	unshift @INC, $LIBDIR;
2789		3731
…		…
2791		3733
2792	our @WAIT_FOR_TICK;	3734	our @WAIT_FOR_TICK;
2793	our @WAIT_FOR_TICK_BEGIN;	3735	our @WAIT_FOR_TICK_BEGIN;
2794		3736
2795	sub wait_for_tick {	3737	sub wait_for_tick {
2796	return unless $TICK_WATCHER->is_active;
2797	return if $Coro::current == $Coro::main;	3738	return if tick_inhibit || $Coro::current == $Coro::main;
2798		3739
2799	my $signal = new Coro::Signal;	3740	my $signal = new Coro::Signal;
2800	push @WAIT_FOR_TICK, $signal;	3741	push @WAIT_FOR_TICK, $signal;
2801	$signal->wait;	3742	$signal->wait;
2802	}	3743	}
2803		3744
2804	sub wait_for_tick_begin {	3745	sub wait_for_tick_begin {
2805	return unless $TICK_WATCHER->is_active;
2806	return if $Coro::current == $Coro::main;	3746	return if tick_inhibit || $Coro::current == $Coro::main;
2807		3747
2808	my $signal = new Coro::Signal;	3748	my $signal = new Coro::Signal;
2809	push @WAIT_FOR_TICK_BEGIN, $signal;	3749	push @WAIT_FOR_TICK_BEGIN, $signal;
2810	$signal->wait;	3750	$signal->wait;
2811	}	3751	}
2812		3752
2813	$TICK_WATCHER = Event->timer (	3753	sub tick {
2814	reentrant => 0,
2815	parked => 1,
2816	prio => 0,
2817	at => $NEXT_TICK || $TICK,
2818	data => WF_AUTOCANCEL,
2819	cb => sub {
2820	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
2821	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3755	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2822	unless ++$bug_warning > 10;	3756	unless ++$bug_warning > 10;
2823	return;	3757	return;
2824	}	3758	}
2825		3759
2826	$NOW = Event::time;
2827
2828	cf::server_tick; # one server iteration	3760	cf::server_tick; # one server iteration
2829		3761
2830	$RUNTIME += $TICK;
2831	$NEXT_TICK += $TICK;
2832
2833	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3762	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2834	$NEXT_RUNTIME_WRITE = $NOW + 10;	3763	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2835	Coro::async_pool {	3764	Coro::async_pool {
		3765	$Coro::current->{desc} = "runtime saver";
2836	write_runtime	3766	write_runtime_sync
2837	or warn "ERROR: unable to write runtime file: $!";	3767	or warn "ERROR: unable to write runtime file: $!";
2838	};
2839	}	3768	};
		3769	}
2840		3770
2841	# my $AFTER = Event::time;
2842	# warn $AFTER - $NOW;#d#
2843
2844	# if we are delayed by four ticks or more, skip them all
2845	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2846
2847	$TICK_WATCHER->at ($NEXT_TICK);
2848	$TICK_WATCHER->start;
2849
2850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3771	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2851	$sig->send;	3772	$sig->send;
2852	}	3773	}
2853	while (my $sig = shift @WAIT_FOR_TICK) {	3774	while (my $sig = shift @WAIT_FOR_TICK) {
2854	$sig->send;	3775	$sig->send;
2855	}
2856
2857	_post_tick;
2858	},	3776	}
2859	);	3777
		3778	$LOAD = ($NOW - $TICK_START) / $TICK;
		3779	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3780
		3781	if (0) {
		3782	if ($NEXT_TICK) {
		3783	my $jitter = $TICK_START - $NEXT_TICK;
		3784	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3785	warn "jitter $JITTER\n";#d#
		3786	}
		3787	}
		3788	}
2860		3789
2861	{	3790	{
2862	BDB::max_poll_time $TICK * 0.1;	3791	# configure BDB
2863	$BDB_POLL_WATCHER = Event->io (	3792
2864	reentrant => 0,
2865	fd => BDB::poll_fileno,
2866	poll => 'r',
2867	prio => 0,
2868	data => WF_AUTOCANCEL,
2869	cb => \&BDB::poll_cb,
2870	);
2871	BDB::min_parallel 8;	3793	BDB::min_parallel 8;
2872		3794	BDB::max_poll_reqs $TICK * 0.1;
2873	BDB::set_sync_prepare {	3795	$AnyEvent::BDB::WATCHER->priority (1);
2874	my $status;
2875	my $current = $Coro::current;
2876	(
2877	sub {
2878	$status = $!;
2879	$current->ready; undef $current;
2880	},
2881	sub {
2882	Coro::schedule while defined $current;
2883	$! = $status;
2884	},
2885	)
2886	};
2887		3796
2888	unless ($DB_ENV) {	3797	unless ($DB_ENV) {
2889	$DB_ENV = BDB::db_env_create;	3798	$DB_ENV = BDB::db_env_create;
		3799	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3800	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3801	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3802	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3803	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2890		3804
2891	cf::sync_job {	3805	cf::sync_job {
2892	eval {	3806	eval {
2893	BDB::db_env_open	3807	BDB::db_env_open
2894	$DB_ENV,	3808	$DB_ENV,
…		…
2896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3810	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3811	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2898	0666;	3812	0666;
2899		3813
2900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3814	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2901
2902	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2903	$DB_ENV->set_lk_detect;
2904	};	3815	};
2905		3816
2906	cf::cleanup "db_env_open(db): $@" if $@;	3817	cf::cleanup "db_env_open(db): $@" if $@;
2907	};	3818	};
2908	}	3819	}
		3820
		3821	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3822	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3823	};
		3824	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3825	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3826	};
		3827	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3828	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3829	};
2909	}	3830	}
2910		3831
2911	{	3832	{
		3833	# configure IO::AIO
		3834
2912	IO::AIO::min_parallel 8;	3835	IO::AIO::min_parallel 8;
2913
2914	undef $Coro::AIO::WATCHER;
2915	IO::AIO::max_poll_time $TICK * 0.1;	3836	IO::AIO::max_poll_time $TICK * 0.1;
2916	$AIO_POLL_WATCHER = Event->io (	3837	undef $AnyEvent::AIO::WATCHER;
2917	reentrant => 0,	3838	}
2918	data => WF_AUTOCANCEL,	3839
2919	fd => IO::AIO::poll_fileno,	3840	my $_log_backtrace;
2920	poll => 'r',	3841
2921	prio => 6,	3842	sub _log_backtrace {
2922	cb => \&IO::AIO::poll_cb,	3843	my ($msg, @addr) = @_;
2923	);	3844
		3845	$msg =~ s/\n//;
		3846
		3847	# limit the # of concurrent backtraces
		3848	if ($_log_backtrace < 2) {
		3849	++$_log_backtrace;
		3850	my $perl_bt = Carp::longmess $msg;
		3851	async {
		3852	$Coro::current->{desc} = "abt $msg";
		3853
		3854	my @bt = fork_call {
		3855	@addr = map { sprintf "%x", $_ } @addr;
		3856	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3857	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3858	or die "addr2line: $!";
		3859
		3860	my @funcs;
		3861	my @res = <$fh>;
		3862	chomp for @res;
		3863	while (@res) {
		3864	my ($func, $line) = splice @res, 0, 2, ();
		3865	push @funcs, "[$func] $line";
		3866	}
		3867
		3868	@funcs
		3869	};
		3870
		3871	LOG llevInfo, "[ABT] $perl_bt\n";
		3872	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3873	LOG llevInfo, "[ABT] $_\n" for @bt;
		3874	--$_log_backtrace;
		3875	};
		3876	} else {
		3877	LOG llevInfo, "[ABT] $msg\n";
		3878	LOG llevInfo, "[ABT] [suppressed]\n";
		3879	}
2924	}	3880	}
2925		3881
2926	# load additional modules	3882	# load additional modules
2927	use cf::pod;	3883	use cf::pod;
2928		3884

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