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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 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	warn "starting to write runtime...\n";#d#	548	=cut
377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378	or return;
379		549
380	my $value = $cf::RUNTIME + 90 + 10;	550	sub fork_call(&@) {
381	# 10 is the runtime save interval, for a monotonic clock	551	my ($cb, @args) = @_;
382	# 60 allows for the watchdog to kill the server.
383		552
384	(aio_write $fh, 0, (length $value), $value, 0) <= 0	553	# we seemingly have to make a local copy of the whole thing,
385	and return;	554	# otherwise perl prematurely frees the stuff :/
		555	# TODO: investigate and fix (likely this will be rather laborious)
386		556
387	# always fsync - this file is important	557	my @res = Coro::Util::fork_eval {
388	aio_fsync $fh	558	reset_signals;
389	and return;	559	&$cb
		560	}, @args;
390		561
391	close $fh	562	wantarray ? @res : $res[-1]
392	or return;	563	}
393		564
394	aio_rename "$runtime~", $runtime	565	=item $coin = coin_from_name $name
395	and return;
396		566
397	warn "... done writing runtime.\n";#d#	567	=cut
398		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		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($$) {
		634	my $key = "$_[0]/$_[1]";
		635
		636	cf::sync_job {
		637	BDB::db_get $DB, undef, $key, my $data;
		638
		639	$! ? ()
		640	: $data
399	1	641	}
		642	}
		643
		644	sub db_put($$$) {
		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"
400	}	717	}
401		718
402	=item cf::datalog type => key => value, ...	719	=item cf::datalog type => key => value, ...
403		720
404	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.
…		…
416		733
417	#############################################################################	734	#############################################################################
418		735
419	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
420		737
421	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
422	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")
423	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
424		741
425	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>
426	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
427	crossfire+).	744	Deliantra).
428		745
429	=over 4	746	=over 4
430		747
431	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
432		749
…		…
476	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
477		794
478	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
479	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
480		797
481	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
482	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.
483		800
484	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
485		802
486	=over 4	803	=over 4
…		…
595	$registry = $CB_TYPE[$object_type] ||= [];	912	$registry = $CB_TYPE[$object_type] ||= [];
596		913
597	} elsif ($type eq "subtype") {	914	} elsif ($type eq "subtype") {
598	defined $object_type or Carp::croak "subtype specified without type";	915	defined $object_type or Carp::croak "subtype specified without type";
599	my $object_subtype = shift @arg;	916	my $object_subtype = shift @arg;
600	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	917	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601		918
602	} elsif ($type eq "package") {	919	} elsif ($type eq "package") {
603	my $pkg = shift @arg;	920	my $pkg = shift @arg;
604		921
605	while (my ($name, $id) = each %cb_id) {	922	while (my ($name, $id) = each %cb_id) {
…		…
634	_attach $registry, $klass, @attach;	951	_attach $registry, $klass, @attach;
635	}	952	}
636		953
637	$obj->{$name} = \%arg;	954	$obj->{$name} = \%arg;
638	} else {	955	} else {
639	warn "object uses attachment '$name' that is not available, postponing.\n";	956	warn "object uses attachment '$name' which is not available, postponing.\n";
640	}	957	}
641		958
642	$obj->{_attachment}{$name} = undef;	959	$obj->{_attachment}{$name} = undef;
643	}	960	}
644		961
…		…
646	if (ref $_[0]) {	963	if (ref $_[0]) {
647	_object_attach @_;	964	_object_attach @_;
648	} else {	965	} else {
649	_attach shift->_attach_registry, @_;	966	_attach shift->_attach_registry, @_;
650	}	967	}
		968	_recalc_want;
651	};	969	};
652		970
653	# all those should be optimised	971	# all those should be optimised
654	sub cf::attachable::detach {	972	sub cf::attachable::detach {
655	my ($obj, $name) = @_;	973	my ($obj, $name) = @_;
…		…
658	delete $obj->{_attachment}{$name};	976	delete $obj->{_attachment}{$name};
659	reattach ($obj);	977	reattach ($obj);
660	} else {	978	} else {
661	Carp::croak "cannot, currently, detach class attachments";	979	Carp::croak "cannot, currently, detach class attachments";
662	}	980	}
		981	_recalc_want;
663	};	982	};
664		983
665	sub cf::attachable::attached {	984	sub cf::attachable::attached {
666	my ($obj, $name) = @_;	985	my ($obj, $name) = @_;
667		986
…		…
682	";	1001	";
683	die if $@;	1002	die if $@;
684	}	1003	}
685		1004
686	our $override;	1005	our $override;
687	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?
688		1007
689	sub override {	1008	sub override {
690	$override = 1;	1009	$override = 1;
691	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
692	}	1011	}
693		1012
694	sub do_invoke {	1013	sub do_invoke {
695	my $event = shift;	1014	my $event = shift;
696	my $callbacks = shift;	1015	my $callbacks = shift;
697		1016
698	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
699		1018
700	local $override;	1019	local $override;
701		1020
702	for (@$callbacks) {	1021	for (@$callbacks) {
703	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
712	}	1031	}
713		1032
714	0	1033	0
715	}	1034	}
716		1035
717	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
718		1037
719	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
720		1039
721	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
722		1041
723	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
724	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
725	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726		1045
727	=back	1046	=back
728		1047
729	=cut	1048	=cut
730		1049
731	#############################################################################	1050	#############################################################################
732	# 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, $ob2
		1093	}
733		1094
734	sub reattach {	1095	sub reattach {
735	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
736	my ($obj) = @_;	1097	my ($obj) = @_;
737		1098
		1099	# no longer needed after getting rid of delete_package?
738	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
739		1101
740	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
741		1103
742	@$registry = ();	1104	@$registry = ();
743		1105
…		…
758	cf::attachable->attach (	1120	cf::attachable->attach (
759	prio => -1000000,	1121	prio => -1000000,
760	on_instantiate => sub {	1122	on_instantiate => sub {
761	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
762		1124
763	$data = from_json $data;	1125	$data = decode_json $data;
764		1126
765	for (@$data) {	1127	for (@$data) {
766	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
767		1129
768	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
784	sub object_freezer_save {	1146	sub object_freezer_save {
785	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
786		1148
787	sync_job {	1149	sync_job {
788	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
789	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
790	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
791		1154
792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
796	close $fh;	1159	aio_close $fh;
797		1160
798	if (@$objs) {	1161	if (@$objs) {
799	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) {
800	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
801	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
802	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
803	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
804	close $fh;	1167	aio_close $fh;
805	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
806	}	1169	}
807	} else {	1170	} else {
808	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
809	}	1172	}
…		…
814	}	1177	}
815	} else {	1178	} else {
816	aio_unlink $filename;	1179	aio_unlink $filename;
817	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
818	}	1181	}
819	}	1182	};
820	}	1183	}
821		1184
822	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
823	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
824		1187
…		…
836	or return;	1199	or return;
837		1200
838	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
839	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
840	or return;	1203	or return;
		1204
841	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
842	}	1207	}
843		1208
		1209	utf8::decode (my $decname = $filename);
844	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
845	$filename, length $data, scalar @{$av || []};#d#	1211	$decname, length $data, scalar @{$av || []};
		1212
846	return ($data, $av);	1213	($data, $av)
847	}	1214	}
		1215
		1216	=head2 COMMAND CALLBACKS
		1217
		1218	=over 4
		1219
		1220	=cut
848		1221
849	#############################################################################	1222	#############################################################################
850	# command handling &c	1223	# command handling &c
851		1224
852	=item cf::register_command $name => \&callback($ob,$args);	1225	=item cf::register_command $name => \&callback($ob,$args);
…		…
865	push @{ $COMMAND{$name} }, [$caller, $cb];	1238	push @{ $COMMAND{$name} }, [$caller, $cb];
866	}	1239	}
867		1240
868	=item cf::register_extcmd $name => \&callback($pl,$packet);	1241	=item cf::register_extcmd $name => \&callback($pl,$packet);
869		1242
870	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.
871		1248
872	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
873	called.	1250	called.
874		1251
		1252	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1253
		1254	Register a callback for execution when the client sends an (asynchronous)
		1255	exticmd packet. Exti commands are processed by the server as soon as they
		1256	are received, i.e. out of order w.r.t. other commands. The first argument
		1257	is a client socket. Exti commands can be received anytime, even before
		1258	log-in.
		1259
		1260	If the callback returns something, it is sent back as if reply was being
		1261	called.
		1262
875	=cut	1263	=cut
876		1264
877	sub register_extcmd {	1265	sub register_extcmd {
878	my ($name, $cb) = @_;	1266	my ($name, $cb) = @_;
879		1267
880	$EXTCMD{$name} = $cb;	1268	$EXTCMD{$name} = $cb;
		1269	}
		1270
		1271	sub register_exticmd {
		1272	my ($name, $cb) = @_;
		1273
		1274	$EXTICMD{$name} = $cb;
881	}	1275	}
882		1276
883	cf::player->attach (	1277	cf::player->attach (
884	on_command => sub {	1278	on_command => sub {
885	my ($pl, $name, $params) = @_;	1279	my ($pl, $name, $params) = @_;
…		…
894	cf::override;	1288	cf::override;
895	},	1289	},
896	on_extcmd => sub {	1290	on_extcmd => sub {
897	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
898		1292
899	my $msg = eval { from_json $buf };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900		1294
901	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
902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
903	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
904	$pl->ext_reply ($msg->{msgid}, %reply);
905	}
906	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
907	} else {	1310	} else {
908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909	}	1312	}
910		1313
911	cf::override;	1314	cf::override;
912	},	1315	},
913	);	1316	);
914		1317
915	sub load_extension {
916	my ($path) = @_;
917
918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
919	my $base = $1;
920	my $pkg = $1;
921	$pkg =~ s/[^[:word:]]/_/g;
922	$pkg = "ext::$pkg";
923
924	warn "... loading '$path' into '$pkg'\n";
925
926	open my $fh, "<:utf8", $path
927	or die "$path: $!";
928
929	my $source =
930	"package $pkg; use strict; use utf8;\n"
931	. "#line 1 \"$path\"\n{\n"
932	. (do { local $/; <$fh> })
933	. "\n};\n1";
934
935	unless (eval $source) {
936	my $msg = $@ ? "$path: $@\n"
937	: "extension disabled.\n";
938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939	warn $@;
940	warn "mandatory extension failed to load, exiting.\n";
941	exit 1;
942	}
943	die $@;
944	}
945
946	push @EXTS, $pkg;
947	}
948
949	sub load_extensions {	1318	sub load_extensions {
		1319	cf::sync_job {
		1320	my %todo;
		1321
950	for my $ext (<$LIBDIR/*.ext>) {	1322	for my $path (<$LIBDIR/*.ext>) {
951	next unless -r $ext;	1323	next unless -r $path;
952	eval {	1324
953	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	$progress = 1;
954	1	1381	}
955	} or warn "$ext not loaded: $@";	1382
		1383	skip:
		1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1385	unless $progress;
		1386	}
956	}	1387	};
957	}	1388	}
958		1389
959	#############################################################################	1390	#############################################################################
960		1391
		1392	=back
		1393
961	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
962		1395
963	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
964		1397
965	=cut	1398	=cut
966		1399
967	package cf::player;	1400	package cf::player;
968		1401
969	use Coro::AIO;	1402	use Coro::AIO;
970		1403
971	=head3 cf::player	1404	=head3 cf::player
972		1405
973	=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	}
974		1421
975	=item cf::player::find $login	1422	=item cf::player::find $login
976		1423
977	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
978		1425
…		…
1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017	aio_unlink +(playerdir $login) . "/$login.pl";	1464	aio_unlink +(playerdir $login) . "/$login.pl";
1018		1465
1019	my $pl = load_pl path $login	1466	my $f = new_from_file cf::object::thawer path $login
1020	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;
1021	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
1022	}	1475	}
1023	}	1476	}
1024	}	1477	}
1025		1478
…		…
1034	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1035		1488
1036	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
1038		1491
		1492	cf::get_slot 0.01;
		1493
1039	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1040	Coro::cede;	1495	cf::cede_to_tick;
1041	}	1496	}
1042		1497
1043	sub new($) {	1498	sub new($) {
1044	my ($login) = @_;	1499	my ($login) = @_;
1045		1500
…		…
1051	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1052		1507
1053	$self	1508	$self
1054	}	1509	}
1055		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
1056	=item $pl->quit_character	1521	=item $pl->quit_character
1057		1522
1058	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1059	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1060		1525
…		…
1064	my ($pl) = @_;	1529	my ($pl) = @_;
1065		1530
1066	my $name = $pl->ob->name;	1531	my $name = $pl->ob->name;
1067		1532
1068	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1069	$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
1070		1535
1071	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1072	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1073	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1074	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1075		1542
1076	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1077	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1113	or return [];	1580	or return [];
1114		1581
1115	my @logins;	1582	my @logins;
1116		1583
1117	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") {
1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1120	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1121		1594
1122	utf8::decode $login;	1595	utf8::decode $login;
1123	push @logins, $login;	1596	push @logins, $login;
1124	}	1597	}
1125		1598
…		…
1152	}	1625	}
1153		1626
1154	\@paths	1627	\@paths
1155	}	1628	}
1156		1629
		1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1631
		1632	Expand deliantra pod fragments into protocol xml.
		1633
1157	=item $player->ext_reply ($msgid, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1158		1635
1159	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1160		1637
1161	=cut	1638	=cut
1162		1639
1163	sub ext_reply($$%) {	1640	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1165		1642
1166	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}	1644	}
1170		1645
1171	=item $player->ext_event ($type, %msg)	1646	=item $player->ext_msg ($type, @msg)
1172		1647
1173	Sends an ext event to the client.	1648	Sends an ext event to the client.
1174		1649
1175	=cut	1650	=cut
1176		1651
1177	sub ext_event($$%) {	1652	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1653	my ($self, $type, @msg) = @_;
1179		1654
1180	$self->ns->ext_event ($type, %msg);	1655	$self->ns->ext_msg ($type, @msg);
1181	}	1656	}
1182		1657
1183	=head3 cf::region	1658	=head3 cf::region
1184		1659
1185	=over 4	1660	=over 4
…		…
1188		1663
1189	package cf::region;	1664	package cf::region;
1190		1665
1191	=item cf::region::find_by_path $path	1666	=item cf::region::find_by_path $path
1192		1667
1193	Tries to decuce the probable region for a map knowing only its path.	1668	Tries to decuce the likely region for a map knowing only its path.
1194		1669
1195	=cut	1670	=cut
1196		1671
1197	sub find_by_path($) {	1672	sub find_by_path($) {
1198	my ($path) = @_;	1673	my ($path) = @_;
1199		1674
1200	my ($match, $specificity);	1675	my ($match, $specificity);
1201		1676
1202	for my $region (list) {	1677	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1678	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1679	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1680	if $region->specificity > $specificity;
1206	}	1681	}
1207	}	1682	}
1208		1683
…		…
1229	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1230	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1231		1706
1232	sub generate_random_map {	1707	sub generate_random_map {
1233	my ($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
1234	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1235	$self->_create_random_map (	1713	$self->_create_random_map (
1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1272	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1273		1751
1274	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1275	local $self->{path};	1753	local $self->{path};
1276	local $self->{load_path};	1754	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		1755
1280	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1281	}	1757	}
1282		1758
1283	sub normalise {	1759	sub normalise {
…		…
1330	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1331	return $self;	1807	return $self;
1332	}	1808	}
1333	}	1809	}
1334		1810
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1336	()	1812	()
1337	}	1813	}
1338		1814
1339	sub init {	1815	sub init {
1340	my ($self) = @_;	1816	my ($self) = @_;
…		…
1362		1838
1363	# the temporary/swap location	1839	# the temporary/swap location
1364	sub save_path {	1840	sub save_path {
1365	my ($self) = @_;	1841	my ($self) = @_;
1366		1842
1367	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1368	"$TMPDIR/$path.map"	1844	"$TMPDIR/$path.map"
1369	}	1845	}
1370		1846
1371	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1372	sub uniq_path {	1848	sub uniq_path {
1373	my ($self) = @_;	1849	my ($self) = @_;
1374		1850
1375	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1376	"$UNIQUEDIR/$path"	1852	"$UNIQUEDIR/$path"
1377	}	1853	}
1378		1854
1379	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1380	# all maps in C++...	1856	# all maps in C++...
…		…
1383		1859
1384	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1385	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1386	}	1862	}
1387		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1388	sub unlink_save {	1872	sub unlink_save {
1389	my ($self) = @_;	1873	my ($self) = @_;
1390		1874
1391	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1392	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1395		1879
1396	sub load_header_from($) {	1880	sub load_header_from($) {
1397	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1398		1882
1399	utf8::encode $path;	1883	utf8::encode $path;
1400	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1401	# or return;
1402
1403	$self->_load_header ($path)
1404	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;
1405		1892
1406	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1407		1894
1408	1	1895	1
1409	}	1896	}
…		…
1448	$self->load_header_orig	1935	$self->load_header_orig
1449	or return;	1936	or return;
1450	$self->prepare_orig;	1937	$self->prepare_orig;
1451	}	1938	}
1452		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
1453	$self->default_region (cf::region::find_by_path $self->{path})	1943	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	1944	unless $self->default_region;
1455		1945
1456	1	1946	1
1457	}	1947	}
…		…
1460	sub find {	1950	sub find {
1461	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1462		1952
1463	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1464		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1465	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1466		1957
1467	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1468	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1469	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1470	or return;	1963	or return;
1471		1964
1472	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1473		1966
1474	$map->load_header	1967	$map->load_header
1475	or return;	1968	or return;
1476		1969
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1480	$map->reset;	1975	$map->reset;
1481	undef $guard;
1482	return find $path;	1976	return find $path;
1483	}	1977	}
1484		1978
1485	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1486	}	1980	}
…		…
1495	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1496		1990
1497	my $path = $self->{path};	1991	my $path = $self->{path};
1498		1992
1499	{	1993	{
1500	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1501		1995
		1996	return unless $self->valid;
1502	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1503		1998
1504	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1505		2000
1506	$self->alloc;	2001	$self->alloc;
1507		2002
1508	$self->pre_load;	2003	$self->pre_load;
1509	Coro::cede;	2004	cf::cede_to_tick;
1510		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1511	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1512	or return;	2009	or return;
1513		2010
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1515	if delete $self->{load_original};	2012	if delete $self->{load_original};
1516		2013
1517	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1518	utf8::encode $uniq;	2015	utf8::encode $uniq;
1519	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1520	$self->clear_unique_items;	2018	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1522	}	2022	}
1523	}	2023	}
1524		2024
1525	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1526	# now do the right thing for maps	2028	# now do the right thing for maps
1527	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	2031	unless $self->difficulty;
1530	Coro::cede;	2032	cf::cede_to_tick;
1531		2033
1532	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	2035	$self->decay_objects;
1534	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1535	$self->update_buttons;	2037	$self->update_buttons;
1536	Coro::cede;	2038	cf::cede_to_tick;
1537	$self->set_darkness_map;	2039	$self->set_darkness_map;
1538	Coro::cede;	2040	cf::cede_to_tick;
1539	$self->activate;	2041	$self->activate;
1540	}	2042	}
1541		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
1542	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1543	}	2048	}
1544		2049
1545	$self->post_load;	2050	$self->post_load;
1546	}	2051	}
1547		2052
…		…
1549	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1550		2055
1551	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	2057	if $self->per_player;
1553		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1554	$self	2062	$self
1555	}	2063	}
1556		2064
1557	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {	2066	sub load_neighbours {
1559	my ($map) = @_;	2067	my ($map) = @_;
1560		2068
1561	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1562		2070
1563	for (0 .. 3) {	2071	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1565	or next;	2073	or next;
1566	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1567	or next;	2075	or next;
1568	$neigh->load;	2076	$neigh->load;
1569		2077
		2078	push @neigh,
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}	2081	}
1573		2082
1574	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1575	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1576	or next;	2086	or next;
1577	$neigh->load;	2087	$neigh->load;
1578	}	2088	}
1579	}	2089	}
1580		2090
…		…
1585	}	2095	}
1586		2096
1587	sub do_load_sync {	2097	sub do_load_sync {
1588	my ($map) = @_;	2098	my ($map) = @_;
1589		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1590	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1591	}	2104	}
1592		2105
1593	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1595		2108
1596	sub find_async {	2109	sub find_async {
1597	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1598		2111
1599	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1600		2113
1601	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1603	}	2116	}
1604		2117
1605	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1606	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1607	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	2125	if (my $map = find $k) {
1610	or next;
1611	$map->load;	2126	$map->load if $v;
		2127	}
1612		2128
1613	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1614	}	2130	}
1615	}	2131	}
1616	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1617	};	2133	};
1618	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1621	}	2137	}
1622		2138
1623	sub save {	2139	sub save {
1624	my ($self) = @_;	2140	my ($self) = @_;
1625		2141
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1627		2143
1628	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1629		2145
1630	return unless $self->dirty;	2146	return unless $self->dirty;
1631		2147
…		…
1637	return if $self->{deny_save};	2153	return if $self->{deny_save};
1638		2154
1639	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1640		2156
1641	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1642	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1643	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1644		2163
1645	if ($uniq) {	2164	if ($uniq) {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1647	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1648	} else {	2167	} else {
…		…
1654	my ($self) = @_;	2173	my ($self) = @_;
1655		2174
1656	# save first because save cedes	2175	# save first because save cedes
1657	$self->save;	2176	$self->save;
1658		2177
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2179
1661	return if $self->players;	2180	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1663	return if $self->{deny_save};	2182	return if $self->{deny_save};
1664		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1665	$self->clear;	2188	$self->clear;
1666	$self->in_memory (cf::MAP_SWAPPED);
1667	}	2189	}
1668		2190
1669	sub reset_at {	2191	sub reset_at {
1670	my ($self) = @_;	2192	my ($self) = @_;
1671		2193
1672	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1674	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1675		2196
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2199
…		…
1689	my ($self) = @_;	2210	my ($self) = @_;
1690		2211
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2213
1693	return if $self->players;	2214	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2215
1696	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1697		2217
1698	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1699		2219
1700	# need to save uniques path	2220	# need to save uniques path
1701	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1705	if $uniq;	2225	if $uniq;
1706	}	2226	}
1707		2227
1708	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1709		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2232	$self->clear;
1711
1712	$_->clear_links_to ($self) for values %cf::MAP;
1713		2233
1714	$self->unlink_save;	2234	$self->unlink_save;
1715	$self->destroy;	2235	$self->destroy;
1716	}	2236	}
1717		2237
1718	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1719		2239
1720	sub nuke {	2240	sub nuke {
1721	my ($self) = @_;	2241	my ($self) = @_;
1722		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1723	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1724		2247
1725	$self->unlink_save;	2248	$self->unlink_save;
1726		2249
1727	bless $self, "cf::map";	2250	bless $self, "cf::map";
1728	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1729	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1730	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732		2255
1733	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1734		2258
1735	$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	]
1736	}	2296	}
1737		2297
1738	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1739		2299
1740	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2301	instantiated unique items. May block.
1742		2302
1743	=cut	2303	=cut
1744		2304
1745	sub unique_maps() {	2305	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2306	[
1747	or return;	2307	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2308	utf8::decode $_;
1753	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1754	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1755		2311	? ()
1756	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2314	]
1758
1759	\@paths
1760	}	2315	}
1761
1762	package cf;
1763		2316
1764	=back	2317	=back
1765		2318
1766	=head3 cf::object	2319	=head3 cf::object
1767		2320
…		…
1771		2324
1772	=over 4	2325	=over 4
1773		2326
1774	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1775		2328
1776	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.
1777		2331
1778	=cut	2332	=cut
1779		2333
1780	sub inv_recursive_;	2334	sub inv_recursive_;
1781	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1784		2338
1785	sub inv_recursive {	2339	sub inv_recursive {
1786	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1787	}	2341	}
1788		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
1789	package cf;	2371	package cf;
1790		2372
1791	=back	2373	=back
1792		2374
1793	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1799	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>
1800	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
1801	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1802		2384
1803	=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	};
1804		2400
1805	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1806	# with dialog boxes.	2402	# with dialog boxes.
1807	#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
1808	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1810		2406
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2408
1813	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1815	} 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 {
1816	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1818	}	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 (@_);
1819	}	2434	}
1820		2435
1821	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1822		2437
1823	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1836		2451
1837	=item $player_object->enter_link	2452	=item $player_object->enter_link
1838		2453
1839	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}>).
1840		2455
1841	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.
1842	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.
1843		2460
1844	Will never block.	2461	Will never block.
1845		2462
1846	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1847		2464
…		…
1870	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1871		2488
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2490
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1876		2493
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1878	}	2495	}
1879		2496
1880	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1882		2501
1883	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1884		2503
1885	unless ($map) {	2504	unless ($map) {
1886	# restore original map position	2505	# restore original map position
…		…
1900	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1903		2522
1904	$map->load;	2523	$map->load;
1905	$map->load_diag;	2524	$map->load_neighbours;
1906		2525
1907	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1908	$self->activate_recursive;	2528	$self->activate_recursive;
1909		2529
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1912	}	2532	}
1913		2533
1914	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915	on_logout => sub {
1916	my ($pl) = @_;
1917		2535
1918	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1919	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1920	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1921	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1922	};	2540	be called at the end of this process.
1923	}
1924	},
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2541
1928	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1929	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1930	if ($pl->ob->{_link_pos}) {
1931	$pl->ob->enter_link;
1932	(async {
1933	$pl->ob->reply (undef,
1934	"There was an internal problem at your last logout, "
1935	. "the server will try to bring you to your intended destination in a second.",
1936	cf::NDI_RED);
1937	# we need this sleep as the login has a concurrent enter_exit running
1938	# and this sleep increases chances of the player not ending up in scorn
1939	Coro::Timer::sleep 1;
1940	$pl->ob->leave_link;
1941	})->prio (2);
1942	}
1943	},
1944	);
1945		2544
1946	=item $player_object->goto ($path, $x, $y)
1947
1948	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1949		2548
1950	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1951	my ($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;
1952		2554
1953	$self->enter_link;	2555	$self->enter_link;
1954		2556
1955	(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
1956	my $map = eval {	2579	my $map = eval {
1957	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1958	$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
1959	$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 $@;
1960	} or	2595	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1964	})->prio (1);	2603	})->prio (1);
1965	}	2604	}
1966		2605
1967	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1968		2607
…		…
1988	}	2627	}
1989		2628
1990	sub prepare_random_map {	2629	sub prepare_random_map {
1991	my ($exit) = @_;	2630	my ($exit) = @_;
1992		2631
1993	my $guard = cf::lock_acquire "exit_prepare:$exit";
1994
1995	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1996	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1997	# that depends on the exit object	2634	# that depends on the exit object
1998		2635
1999	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2001	if ($exit->map) {	2638	if ($exit->map) {
2002	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2003	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2004	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2005	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2006	}	2645	}
2007		2646
2008	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2009		2648
2010	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2011	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2012	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2013		2652
2014	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2015	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2016	undef $fh;	2655	undef $fh;
2017	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2018		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2019	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2020	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2021	}	2664	}
2022	}	2665	}
2023		2666
2024	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2025	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2026		2669
2027	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2028		2671
2029	if ($exit->slaying eq "/!") {
2030	#TODO: this should de-fi-ni-te-ly not be a sync-job
2031	# the problem is that $exit might not survive long enough
2032	# so it needs to be done right now, right here
2033	cf::sync_job { prepare_random_map $exit };
2034	}
2035
2036	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2037	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;
2039
2040	$self->enter_link;	2672	$self->enter_link;
2041		2673
2042	(async {	2674	(async {
2043	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
2044	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
2045	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2046		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
2047	1;	2698	1
2048	}) {	2699	}) {
2049	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2050	. "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. "
2051	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2052	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2053		2704
2054	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2073		2724
2074	utf8::encode $text;	2725	utf8::encode $text;
2075	$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);
2076	}	2727	}
2077		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
2078	=item $client->ext_event ($type, %msg)	2880	=item $client->ext_msg ($type, @msg)
2079		2881
2080	Sends an exti event to the client.	2882	Sends an ext event to the client.
2081		2883
2082	=cut	2884	=cut
2083		2885
2084	sub cf::client::ext_event($$%) {	2886	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	2887	my ($self, $type, @msg) = @_;
2086		2888
		2889	if ($self->extcmd == 2) {
		2890	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2891	} elsif ($self->extcmd == 1) { # TODO: remove
2087	$msg{msgtype} = "event_$type";	2892	push @msg, msgtype => "event_$type";
2088	$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	}
2089	}	2913	}
2090		2914
2091	=item $success = $client->query ($flags, "text", \&cb)	2915	=item $success = $client->query ($flags, "text", \&cb)
2092		2916
2093	Queues a query to the client, calling the given callback with	2917	Queues a query to the client, calling the given callback with
2094	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>,
2095	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>.
2096		2920
2097	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
2098	reliable at some point in the future.	2922	become reliable at some point in the future.
2099		2923
2100	=cut	2924	=cut
2101		2925
2102	sub cf::client::query {	2926	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	2927	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	2935	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2936	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		2937
2114	$self->send_packet ($self->{query_queue}[0][0])	2938	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	2939	if @{ $self->{query_queue} } == 1;
		2940
		2941	1
2116	}	2942	}
2117		2943
2118	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	},
2119	on_reply => sub {	2950	on_reply => sub {
2120	my ($ns, $msg) = @_;	2951	my ($ns, $msg) = @_;
2121		2952
2122	# this weird shuffling is so that direct followup queries	2953	# this weird shuffling is so that direct followup queries
2123	# get handled first	2954	# get handled first
…		…
2135	} else {	2966	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2967	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	2968	}
2138	}	2969	}
2139	},	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	},
2140	);	2997	);
2141		2998
2142	=item $client->async (\&cb)	2999	=item $client->async (\&cb)
2143		3000
2144	Create a new coroutine, running the specified callback. The coroutine will	3001	Create a new coroutine, running the specified callback. The coroutine will
…		…
2185	our $safe = new Safe "safe";	3042	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	3043	our $safe_hole = new Safe::Hole;
2187		3044
2188	$SIG{FPE} = 'IGNORE';	3045	$SIG{FPE} = 'IGNORE';
2189		3046
2190	$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	));
2191		3052
2192	# here we export the classes and methods available to script code	3053	# here we export the classes and methods available to script code
2193		3054
2194	=pod	3055	=pod
2195		3056
2196	The following functions and methods are available within a safe environment:	3057	The following functions and methods are available within a safe environment:
2197		3058
2198	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
2199	cf::object::player player	3063	cf::object::player
2200	cf::player peaceful	3064	player
2201	cf::map trigger	3065
		3066	cf::player
		3067	peaceful
		3068
		3069	cf::map
		3070	trigger
2202		3071
2203	=cut	3072	=cut
2204		3073
2205	for (	3074	for (
2206	["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)],
2207	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful)],
2209	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2210	) {	3081	) {
2211	no strict 'refs';	3082	no strict 'refs';
…		…
2282	=back	3153	=back
2283		3154
2284	=cut	3155	=cut
2285		3156
2286	#############################################################################	3157	#############################################################################
2287
2288	=head2 EXTENSION DATABASE SUPPORT
2289
2290	Crossfire maintains a very simple database for extension use. It can
2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292	convert to/from binary).
2293
2294	The parameter C<$family> should best start with the name of the extension
2295	using it, it should be unique.
2296
2297	=over 4
2298
2299	=item $value = cf::db_get $family => $key
2300
2301	Returns a single value from the database.
2302
2303	=item cf::db_put $family => $key => $value
2304
2305	Stores the given C<$value> in the family.
2306
2307	=cut
2308
2309	our $DB;
2310
2311	sub db_init {
2312	unless ($DB) {
2313	$DB = BDB::db_create $DB_ENV;
2314
2315	cf::sync_job {
2316	eval {
2317	$DB->set_flags (BDB::CHKSUM);
2318
2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321	cf::cleanup "db_open(db): $!" if $!;
2322	};
2323	cf::cleanup "db_open(db): $@" if $@;
2324	};
2325	}
2326	}
2327
2328	sub db_get($$) {
2329	my $key = "$_[0]/$_[1]";
2330
2331	cf::sync_job {
2332	BDB::db_get $DB, undef, $key, my $data;
2333
2334	$! ? ()
2335	: $data
2336	}
2337	}
2338
2339	sub db_put($$$) {
2340	BDB::dbreq_pri 4;
2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342	}
2343
2344	=item cf::cache $id => [$paths...], $processversion => $process
2345
2346	Generic caching function that returns the value of the resource $id,
2347	caching and regenerating as required.
2348
2349	This function can block.
2350
2351	=cut
2352
2353	sub cache {
2354	my ($id, $src, $processversion, $process) = @_;
2355
2356	my $meta =
2357	join "\x00",
2358	$processversion,
2359	map {
2360	aio_stat $_
2361	and Carp::croak "$_: $!";
2362
2363	($_, (stat _)[7,9])
2364	} @$src;
2365
2366	my $dbmeta = db_get cache => "$id/meta";
2367	if ($dbmeta ne $meta) {
2368	# changed, we may need to process
2369
2370	my @data;
2371	my $md5;
2372
2373	for (0 .. $#$src) {
2374	0 <= aio_load $src->[$_], $data[$_]
2375	or Carp::croak "$src->[$_]: $!";
2376	}
2377
2378	# if processing is expensive, check
2379	# checksum first
2380	if (1) {
2381	$md5 =
2382	join "\x00",
2383	$processversion,
2384	map {
2385	Coro::cede;
2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
2387	} 0.. $#$src;
2388
2389
2390	my $dbmd5 = db_get cache => "$id/md5";
2391	if ($dbmd5 eq $md5) {
2392	db_put cache => "$id/meta", $meta;
2393
2394	return db_get cache => "$id/data";
2395	}
2396	}
2397
2398	my $t1 = Time::HiRes::time;
2399	my $data = $process->(\@data);
2400	my $t2 = Time::HiRes::time;
2401
2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404	db_put cache => "$id/data", $data;
2405	db_put cache => "$id/md5" , $md5;
2406	db_put cache => "$id/meta", $meta;
2407
2408	return $data;
2409	}
2410
2411	db_get cache => "$id/data"
2412	}
2413
2414	=item fork_call { }, $args
2415
2416	Executes the given code block with the given arguments in a seperate
2417	process, returning the results. Everything must be serialisable with
2418	Coro::Storable. May, of course, block. Note that the executed sub may
2419	never block itself or use any form of Event handling.
2420
2421	=cut
2422
2423	sub fork_call(&@) {
2424	my ($cb, @args) = @_;
2425
2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427	# or die "socketpair: $!";
2428	pipe my $fh1, my $fh2
2429	or die "pipe: $!";
2430
2431	if (my $pid = fork) {
2432	close $fh2;
2433
2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435	$res = Coro::Storable::thaw $res;
2436
2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439	die $$res unless "ARRAY" eq ref $res;
2440
2441	return wantarray ? @$res : $res->[-1];
2442	} else {
2443	reset_signals;
2444	local $SIG{__WARN__};
2445	local $SIG{__DIE__};
2446	eval {
2447	close $fh1;
2448
2449	my @res = eval { $cb->(@args) };
2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451	};
2452
2453	warn $@ if $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459
2460	#############################################################################
2461	# the server's init and main functions	3158	# the server's init and main functions
2462		3159
2463	sub load_facedata($) {	3160	sub load_facedata($) {
2464	my ($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;
2465		3168
2466	warn "loading facedata from $path\n";	3169	warn "loading facedata from $path\n";
2467		3170
2468	my $facedata;	3171	my $facedata;
2469	0 < aio_load $path, $facedata	3172	0 < aio_load $path, $facedata
…		…
2472	$facedata = Coro::Storable::thaw $facedata;	3175	$facedata = Coro::Storable::thaw $facedata;
2473		3176
2474	$facedata->{version} == 2	3177	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2476		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
2477	{	3187	{
2478	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
2479		3189
2480	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2485	Coro::cede;	3197
		3198	cf::cede_to_tick;
2486	}	3199	}
2487		3200
2488	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
2490	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
2491	or next;	3205	or next;
		3206
2492	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	3210	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	3212	}
2497	Coro::cede;	3213
		3214	cf::cede_to_tick;
2498	}	3215	}
2499	}	3216	}
2500		3217
2501	{	3218	{
2502	my $anims = $facedata->{animinfo};	3219	my $anims = $facedata->{animinfo};
2503		3220
2504	while (my ($anim, $info) = each %$anims) {	3221	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	3223	cf::cede_to_tick;
2507	}	3224	}
2508		3225
2509	cf::anim::invalidate_all; # d'oh	3226	cf::anim::invalidate_all; # d'oh
2510	}	3227	}
2511		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
2512	1	3264	1
2513	}	3265	}
2514		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	$status
		3303	}
		3304
2515	sub reload_regions {	3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
2516	load_resource_file "$MAPDIR/regions"	3310	load_resource_file "$MAPDIR/regions"
2517	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 $_->{match};
		3316	}
2518	}	3317	}
2519		3318
2520	sub reload_facedata {	3319	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	3320	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	3321	or die "unable to load facedata\n";
…		…
2533	}	3332	}
2534		3333
2535	sub reload_resources {	3334	sub reload_resources {
2536	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
2537		3336
2538	reload_regions;
2539	reload_facedata;	3337	reload_facedata;
2540	reload_archetypes;	3338	reload_archetypes;
		3339	reload_regions;
2541	reload_treasures;	3340	reload_treasures;
2542		3341
2543	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
2544	}	3343	}
2545		3344
2546	sub init {	3345	sub init {
		3346	my $guard = freeze_mainloop;
		3347
		3348	evthread_start IO::AIO::poll_fileno;
		3349
2547	reload_resources;	3350	reload_resources;
2548	}	3351	}
2549		3352
2550	sub cfg_load {	3353	sub reload_config {
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3354	open my $fh, "<:utf8", "$CONFDIR/config"
2552	or return;	3355	or return;
2553		3356
2554	local $/;	3357	local $/;
2555	*CFG = YAML::Syck::Load <$fh>;	3358	*CFG = YAML::Load <$fh>;
2556		3359
2557	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3360	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2558		3361
2559	$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};
2560	$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};
…		…
2566	};	3369	};
2567	warn $@ if $@;	3370	warn $@ if $@;
2568	}	3371	}
2569	}	3372	}
2570		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
2571	sub main {	3393	sub main {
		3394	atomic;
		3395
2572	# we must not ever block the main coroutine	3396	# we must not ever block the main coroutine
2573	local $Coro::idle = sub {	3397	local $Coro::idle = sub {
2574	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#
2575	(async {	3399	(async {
2576	Event::one_event;	3400	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3401	EV::loop EV::LOOP_ONESHOT;
2577	})->prio (Coro::PRIO_MAX);	3402	})->prio (Coro::PRIO_MAX);
2578	};	3403	};
2579		3404
2580	cfg_load;	3405	{
		3406	my $guard = freeze_mainloop;
		3407	reload_config;
2581	db_init;	3408	db_init;
2582	load_extensions;	3409	load_extensions;
2583		3410
2584	$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
2585	Event::loop;	3419	EV::loop;
2586	}	3420	}
2587		3421
2588	#############################################################################	3422	#############################################################################
2589	# initialisation and cleanup	3423	# initialisation and cleanup
2590		3424
2591	# install some emergency cleanup handlers	3425	# install some emergency cleanup handlers
2592	BEGIN {	3426	BEGIN {
		3427	our %SIGWATCHER = ();
2593	for my $signal (qw(INT HUP TERM)) {	3428	for my $signal (qw(INT HUP TERM)) {
2594	Event->signal (	3429	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2595	reentrant => 0,
2596	data => WF_AUTOCANCEL,
2597	signal => $signal,
2598	prio => 0,
2599	cb => sub {
2600	cf::cleanup "SIG$signal";	3430	cf::cleanup "SIG$signal";
2601	},
2602	);	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
2603	}	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 };
2604	}	3512	}
2605		3513
2606	sub emergency_save() {	3514	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3515	my $freeze_guard = cf::freeze_mainloop;
2608		3516
…		…
2614	# and maps saved/destroyed asynchronously.	3522	# and maps saved/destroyed asynchronously.
2615	warn "begin emergency player save\n";	3523	warn "begin emergency player save\n";
2616	for my $login (keys %cf::PLAYER) {	3524	for my $login (keys %cf::PLAYER) {
2617	my $pl = $cf::PLAYER{$login} or next;	3525	my $pl = $cf::PLAYER{$login} or next;
2618	$pl->valid or next;	3526	$pl->valid or next;
		3527	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2619	$pl->save;	3528	$pl->save;
2620	}	3529	}
2621	warn "end emergency player save\n";	3530	warn "end emergency player save\n";
2622		3531
2623	warn "begin emergency map save\n";	3532	warn "begin emergency map save\n";
…		…
2629	warn "end emergency map save\n";	3538	warn "end emergency map save\n";
2630		3539
2631	warn "begin emergency database checkpoint\n";	3540	warn "begin emergency database checkpoint\n";
2632	BDB::db_env_txn_checkpoint $DB_ENV;	3541	BDB::db_env_txn_checkpoint $DB_ENV;
2633	warn "end emergency database checkpoint\n";	3542	warn "end emergency database checkpoint\n";
		3543
		3544	warn "begin write uuid\n";
		3545	write_uuid_sync 1;
		3546	warn "end write uuid\n";
2634	};	3547	};
2635		3548
2636	warn "leave emergency perl save\n";	3549	warn "leave emergency perl save\n";
2637	}	3550	}
2638		3551
2639	sub post_cleanup {	3552	sub post_cleanup {
2640	my ($make_core) = @_;	3553	my ($make_core) = @_;
2641		3554
2642	warn Carp::longmess "post_cleanup backtrace"	3555	warn Carp::longmess "post_cleanup backtrace"
2643	if $make_core;	3556	if $make_core;
		3557
		3558	my $fh = pidfile;
		3559	unlink $PIDFILE if <$fh> == $$;
2644	}	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
2645		3589
2646	sub do_reload_perl() {	3590	sub do_reload_perl() {
2647	# can/must only be called in main	3591	# can/must only be called in main
2648	if ($Coro::current != $Coro::main) {	3592	if ($Coro::current != $Coro::main) {
2649	warn "can only reload from main coroutine";	3593	warn "can only reload from main coroutine";
2650	return;	3594	return;
2651	}	3595	}
2652		3596
		3597	return if $RELOAD++;
		3598
		3599	while ($RELOAD) {
2653	warn "reloading...";	3600	warn "reloading...";
2654		3601
2655	warn "entering sync_job";	3602	warn "entering sync_job";
2656		3603
2657	cf::sync_job {	3604	cf::sync_job {
2658	cf::write_runtime; # external watchdog should not bark	3605	cf::write_runtime_sync; # external watchdog should not bark
2659	cf::emergency_save;	3606	cf::emergency_save;
2660	cf::write_runtime; # external watchdog should not bark	3607	cf::write_runtime_sync; # external watchdog should not bark
2661		3608
2662	warn "syncing database to disk";	3609	warn "syncing database to disk";
2663	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
2664		3611
2665	# 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
2666		3613
2667	warn "cancelling all WF_AUTOCANCEL watchers";
2668	for (Event::all_watchers) {
2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2670	}
2671
2672	warn "flushing outstanding aio requests";	3614	warn "flushing outstanding aio requests";
2673	for (;;) {
2674	BDB::flush;
2675	IO::AIO::flush;
2676	Coro::cede;
2677	last unless IO::AIO::nreqs || BDB::nreqs;	3615	while (IO::AIO::nreqs || BDB::nreqs) {
2678	warn "iterate...";	3616	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2679	}
2680
2681	++$RELOAD;
2682
2683	warn "cancelling all extension coros";
2684	$_->cancel for values %EXT_CORO;
2685	%EXT_CORO = ();
2686
2687	warn "removing commands";
2688	%COMMAND = ();
2689
2690	warn "removing ext commands";
2691	%EXTCMD = ();
2692
2693	warn "unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";
2696
2697	if (my $cb = $pkg->can ("unload")) {
2698	eval {
2699	$cb->($pkg);
2700	1
2701	} or warn "$pkg unloaded, but with errors: $@";
2702	}	3617	}
2703		3618
2704	warn "... nuking $pkg";	3619	warn "cancelling all extension coros";
2705	Symbol::delete_package $pkg;	3620	$_->cancel for values %EXT_CORO;
2706	}	3621	%EXT_CORO = ();
2707		3622
2708	warn "unloading all perl modules loaded from $LIBDIR";	3623	warn "removing commands";
2709	while (my ($k, $v) = each %INC) {	3624	%COMMAND = ();
2710	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2711		3625
		3626	warn "removing ext/exti commands";
		3627	%EXTCMD = ();
		3628	%EXTICMD = ();
		3629
		3630	warn "unloading/nuking all extensions";
		3631	for my $pkg (@EXTS) {
2712	warn "... unloading $k";	3632	warn "... unloading $pkg";
2713	delete $INC{$k};
2714		3633
2715	$k =~ s/\.pm$//;
2716	$k =~ s/\//::/g;
2717
2718	if (my $cb = $k->can ("unload_module")) {	3634	if (my $cb = $pkg->can ("unload")) {
		3635	eval {
2719	$cb->();	3636	$cb->($pkg);
		3637	1
		3638	} or warn "$pkg unloaded, but with errors: $@";
		3639	}
		3640
		3641	warn "... clearing $pkg";
		3642	clear_package $pkg;
2720	}	3643	}
2721		3644
2722	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;
2723	}	3660	}
2724		3661
2725	warn "getting rid of safe::, as good as possible";	3662	warn "getting rid of safe::, as good as possible";
2726	Symbol::delete_package "safe::$_"	3663	clear_package "safe::$_"
2727	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);
2728		3665
2729	warn "unloading cf.pm \"a bit\"";	3666	warn "unloading cf.pm \"a bit\"";
2730	delete $INC{"cf.pm"};	3667	delete $INC{"cf.pm"};
2731	delete $INC{"cf/pod.pm"};	3668	delete $INC{"cf/pod.pm"};
2732		3669
2733	# don't, removes xs symbols, too,	3670	# don't, removes xs symbols, too,
2734	# and global variables created in xs	3671	# and global variables created in xs
2735	#Symbol::delete_package __PACKAGE__;	3672	#clear_package __PACKAGE__;
2736		3673
2737	warn "unload completed, starting to reload now";	3674	warn "unload completed, starting to reload now";
2738		3675
2739	warn "reloading cf.pm";	3676	warn "reloading cf.pm";
2740	require cf;	3677	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3678	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2742		3679
2743	warn "loading config and database again";	3680	warn "loading config and database again";
2744	cf::cfg_load;	3681	cf::reload_config;
2745		3682
2746	warn "loading extensions";	3683	warn "loading extensions";
2747	cf::load_extensions;	3684	cf::load_extensions;
2748		3685
2749	warn "reattaching attachments to objects/players";	3686	warn "reattaching attachments to objects/players";
2750	_global_reattach; # objects, sockets	3687	_global_reattach; # objects, sockets
2751	warn "reattaching attachments to maps";	3688	warn "reattaching attachments to maps";
2752	reattach $_ for values %MAP;	3689	reattach $_ for values %MAP;
2753	warn "reattaching attachments to players";	3690	warn "reattaching attachments to players";
2754	reattach $_ for values %PLAYER;	3691	reattach $_ for values %PLAYER;
2755		3692
2756	warn "leaving sync_job";	3693	warn "leaving sync_job";
2757		3694
2758	1	3695	1
2759	} or do {	3696	} or do {
2760	warn $@;	3697	warn $@;
2761	warn "error while reloading, exiting.";	3698	cf::cleanup "error while reloading, exiting.";
2762	exit 1;
2763	};	3699	};
2764		3700
2765	warn "reloaded";	3701	warn "reloaded";
		3702	--$RELOAD;
		3703	}
2766	};	3704	};
2767		3705
2768	our $RELOAD_WATCHER; # used only during reload	3706	our $RELOAD_WATCHER; # used only during reload
2769		3707
2770	sub reload_perl() {	3708	sub reload_perl() {
2771	# doing reload synchronously and two reloads happen back-to-back,	3709	# doing reload synchronously and two reloads happen back-to-back,
2772	# coro crashes during coro_state_free->destroy here.	3710	# coro crashes during coro_state_free->destroy here.
2773		3711
2774	$RELOAD_WATCHER ||= Event->timer (	3712	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2775	reentrant => 0,
2776	after => 0,
2777	data => WF_AUTOCANCEL,
2778	cb => sub {
2779	do_reload_perl;	3713	do_reload_perl;
2780	undef $RELOAD_WATCHER;	3714	undef $RELOAD_WATCHER;
2781	},
2782	);	3715	};
2783	}	3716	}
2784		3717
2785	register_command "reload" => sub {	3718	register_command "reload" => sub {
2786	my ($who, $arg) = @_;	3719	my ($who, $arg) = @_;
2787		3720
2788	if ($who->flag (FLAG_WIZ)) {	3721	if ($who->flag (FLAG_WIZ)) {
2789	$who->message ("reloading server.");	3722	$who->message ("reloading server.");
		3723	async {
		3724	$Coro::current->{desc} = "perl_reload";
2790	async { reload_perl };	3725	reload_perl;
		3726	};
2791	}	3727	}
2792	};	3728	};
2793		3729
2794	unshift @INC, $LIBDIR;	3730	unshift @INC, $LIBDIR;
2795		3731
…		…
2797		3733
2798	our @WAIT_FOR_TICK;	3734	our @WAIT_FOR_TICK;
2799	our @WAIT_FOR_TICK_BEGIN;	3735	our @WAIT_FOR_TICK_BEGIN;
2800		3736
2801	sub wait_for_tick {	3737	sub wait_for_tick {
2802	return unless $TICK_WATCHER->is_active;
2803	return if $Coro::current == $Coro::main;	3738	return if tick_inhibit || $Coro::current == $Coro::main;
2804		3739
2805	my $signal = new Coro::Signal;	3740	my $signal = new Coro::Signal;
2806	push @WAIT_FOR_TICK, $signal;	3741	push @WAIT_FOR_TICK, $signal;
2807	$signal->wait;	3742	$signal->wait;
2808	}	3743	}
2809		3744
2810	sub wait_for_tick_begin {	3745	sub wait_for_tick_begin {
2811	return unless $TICK_WATCHER->is_active;
2812	return if $Coro::current == $Coro::main;	3746	return if tick_inhibit || $Coro::current == $Coro::main;
2813		3747
2814	my $signal = new Coro::Signal;	3748	my $signal = new Coro::Signal;
2815	push @WAIT_FOR_TICK_BEGIN, $signal;	3749	push @WAIT_FOR_TICK_BEGIN, $signal;
2816	$signal->wait;	3750	$signal->wait;
2817	}	3751	}
2818		3752
2819	$TICK_WATCHER = Event->timer (	3753	sub tick {
2820	reentrant => 0,
2821	parked => 1,
2822	prio => 0,
2823	at => $NEXT_TICK || $TICK,
2824	data => WF_AUTOCANCEL,
2825	cb => sub {
2826	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
2827	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"
2828	unless ++$bug_warning > 10;	3756	unless ++$bug_warning > 10;
2829	return;	3757	return;
2830	}	3758	}
2831		3759
2832	$NOW = Event::time;
2833
2834	cf::server_tick; # one server iteration	3760	cf::server_tick; # one server iteration
2835		3761
2836	$RUNTIME += $TICK;
2837	$NEXT_TICK += $TICK;
2838
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3762	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2840	$NEXT_RUNTIME_WRITE = $NOW + 10;	3763	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2841	Coro::async_pool {	3764	Coro::async_pool {
		3765	$Coro::current->{desc} = "runtime saver";
2842	write_runtime	3766	write_runtime_sync
2843	or warn "ERROR: unable to write runtime file: $!";	3767	or warn "ERROR: unable to write runtime file: $!";
2844	};
2845	}	3768	};
		3769	}
2846		3770
2847	# my $AFTER = Event::time;
2848	# warn $AFTER - $NOW;#d#
2849
2850	# if we are delayed by four ticks or more, skip them all
2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2852
2853	$TICK_WATCHER->at ($NEXT_TICK);
2854	$TICK_WATCHER->start;
2855
2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3771	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2857	$sig->send;	3772	$sig->send;
2858	}	3773	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {	3774	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;	3775	$sig->send;
2861	}
2862
2863	_post_tick;
2864	},	3776	}
2865	);	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	}
2866		3789
2867	{	3790	{
2868	BDB::max_poll_time $TICK * 0.1;	3791	# configure BDB
2869	$BDB_POLL_WATCHER = Event->io (	3792
2870	reentrant => 0,
2871	fd => BDB::poll_fileno,
2872	poll => 'r',
2873	prio => 0,
2874	data => WF_AUTOCANCEL,
2875	cb => \&BDB::poll_cb,
2876	);
2877	BDB::min_parallel 8;	3793	BDB::min_parallel 8;
2878		3794	BDB::max_poll_reqs $TICK * 0.1;
2879	BDB::set_sync_prepare {	3795	$AnyEvent::BDB::WATCHER->priority (1);
2880	my $status;
2881	my $current = $Coro::current;
2882	(
2883	sub {
2884	$status = $!;
2885	$current->ready; undef $current;
2886	},
2887	sub {
2888	Coro::schedule while defined $current;
2889	$! = $status;
2890	},
2891	)
2892	};
2893		3796
2894	unless ($DB_ENV) {	3797	unless ($DB_ENV) {
2895	$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);
2896		3804
2897	cf::sync_job {	3805	cf::sync_job {
2898	eval {	3806	eval {
2899	BDB::db_env_open	3807	BDB::db_env_open
2900	$DB_ENV,	3808	$DB_ENV,
…		…
2902	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
2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3811	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904	0666;	3812	0666;
2905		3813
2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3814	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2907
2908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2909	$DB_ENV->set_lk_detect;
2910	};	3815	};
2911		3816
2912	cf::cleanup "db_env_open(db): $@" if $@;	3817	cf::cleanup "db_env_open(db): $@" if $@;
2913	};	3818	};
2914	}	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	};
2915	}	3830	}
2916		3831
2917	{	3832	{
		3833	# configure IO::AIO
		3834
2918	IO::AIO::min_parallel 8;	3835	IO::AIO::min_parallel 8;
2919
2920	undef $Coro::AIO::WATCHER;
2921	IO::AIO::max_poll_time $TICK * 0.1;	3836	IO::AIO::max_poll_time $TICK * 0.1;
2922	$AIO_POLL_WATCHER = Event->io (	3837	undef $AnyEvent::AIO::WATCHER;
2923	reentrant => 0,
2924	data => WF_AUTOCANCEL,
2925	fd => IO::AIO::poll_fileno,
2926	poll => 'r',
2927	prio => 6,
2928	cb => \&IO::AIO::poll_cb,
2929	);
2930	}	3838	}
2931		3839
2932	my $_log_backtrace;	3840	my $_log_backtrace;
2933		3841
2934	sub _log_backtrace {	3842	sub _log_backtrace {
…		…
2937	$msg =~ s/\n//;	3845	$msg =~ s/\n//;
2938		3846
2939	# limit the # of concurrent backtraces	3847	# limit the # of concurrent backtraces
2940	if ($_log_backtrace < 2) {	3848	if ($_log_backtrace < 2) {
2941	++$_log_backtrace;	3849	++$_log_backtrace;
		3850	my $perl_bt = Carp::longmess $msg;
2942	async {	3851	async {
		3852	$Coro::current->{desc} = "abt $msg";
		3853
2943	my @bt = fork_call {	3854	my @bt = fork_call {
2944	@addr = map { sprintf "%x", $_ } @addr;	3855	@addr = map { sprintf "%x", $_ } @addr;
2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3856	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3857	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2947	or die "addr2line: $!";	3858	or die "addr2line: $!";
…		…
2955	}	3866	}
2956		3867
2957	@funcs	3868	@funcs
2958	};	3869	};
2959		3870
2960	LOG llevInfo, "[ABT] $msg\n";	3871	LOG llevInfo, "[ABT] $perl_bt\n";
		3872	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2961	LOG llevInfo, "[ABT] $_\n" for @bt;	3873	LOG llevInfo, "[ABT] $_\n" for @bt;
2962	--$_log_backtrace;	3874	--$_log_backtrace;
2963	};	3875	};
2964	} else {	3876	} else {
2965	LOG llevInfo, "[ABT] $msg\n";	3877	LOG llevInfo, "[ABT] $msg\n";

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