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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.191 by root, Tue Jan 23 01:05:18 2007 UTC vs.
Revision 1.432 by root, Mon May 5 22:38:47 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
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV 3.2;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.4 ();	36	use Coro 4.50 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::EV;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
18	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
19		47
		48	use JSON::XS 2.01 ();
		49	use BDB ();
20	use Data::Dumper;	50	use Data::Dumper;
21	use Digest::MD5;	51	use Digest::MD5;
22	use Fcntl;	52	use Fcntl;
		53	use YAML ();
23	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
24	use YAML::Syck ();
25	use Time::HiRes;	55	use Time::HiRes;
		56	use Compress::LZF;
		57	use Digest::MD5 ();
26		58
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
		62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		64
		65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		66
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		68
36	our %COMMAND = ();	69	our %COMMAND = ();
37	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
38		71
39	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
43		77
		78	our $RELOAD; # number of reloads so far
44	our @EVENT;	79	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		80
47	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
49	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	97	our $NEXT_TICK;
52	our $NOW;	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
		99
		100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
		104	our $DB_ENV;
53		105
54	our %CFG;	106	our %CFG;
55		107
56	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
58		111
59	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		115
67	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
		123
70	binmode STDOUT;	124	binmode STDOUT;
71	binmode STDERR;	125	binmode STDERR;
72		126
73	# read virtual server time, if available	127	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
78	}	132	}
79		133
80	mkdir cf::localdir;	134	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		136
86	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
		138
		139	sub cf::map::normalise;
87		140
88	#############################################################################	141	#############################################################################
89		142
90	=head2 GLOBAL VARIABLES	143	=head2 GLOBAL VARIABLES
91		144
…		…
98	=item $cf::RUNTIME	151	=item $cf::RUNTIME
99		152
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	153	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	154	every server tick.
102		155
103	=item $cf::LIBDIR	156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		159
105	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		162	unique-items directory, player file directory, random maps directory and
		163	database environment.
107		164
108	=item $cf::NOW	165	=item $cf::NOW
109		166
110	The time of the last (current) server tick.	167	The time of the last (current) server tick.
111		168
112	=item $cf::TICK	169	=item $cf::TICK
113		170
114	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
115		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
116	=item %cf::CFG	183	=item %cf::CFG
117		184
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	186	from wherever your confdir points to.
120		187
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		189
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	191	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
127		199
128	=back	200	=back
129		201
130	=cut	202	=cut
131		203
132	BEGIN {	204	BEGIN {
133	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	206	my $msg = join "", @_;
135	utf8::encode $msg;
136		207
137	$msg .= "\n"	208	$msg .= "\n"
138	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
139		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
140	LOG llevError, $msg;	213	LOG llevError, $msg;
141	};	214	};
142	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
143		231
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		239
151	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	241	# within the Safe compartment.
153	for my $pkg (qw(	242	for my $pkg (qw(
154	cf::global cf::attachable	243	cf::global cf::attachable
…		…
159	)) {	248	)) {
160	no strict 'refs';	249	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	251	}
163		252
164	$Event::DIED = sub {	253	$EV::DIED = sub {
165	warn "error in event callback: @_";	254	warn "error in event callback: @_";
166	};	255	};
		256
		257	#############################################################################
167		258
168	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
169		260
170	=over 4	261	=over 4
171		262
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	282	$d
192	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
193	}	284	}
194		285
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
198		287
199	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
200		289
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
209		291
210	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
211		293
212	=cut	294	=cut
213		295
214	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
216	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
218		300
219	=item cf::lock_wait $string	301	=item cf::lock_wait $string
220		302
221	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
222		304
…		…
225	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
228	returned.	310	returned.
229		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
230	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
232		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
233	=cut	322	=cut
234		323
235	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
236		326
237	sub lock_wait($) {	327	sub lock_wait($) {
238	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
239		334
240	# wait for lock, if any	335	# wait for lock, if any
241	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	338	Coro::schedule;
…		…
249		344
250	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
251	lock_wait $key;	346	lock_wait $key;
252		347
253	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
254		350
255	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
258	}	355	}
259	}	356	}
260		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
261	sub freeze_mainloop {	364	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
263		366
264	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	368	}
266	$WRITE_RUNTIME_WATCHER->start;	369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
267	};	428	}
268	$WRITE_RUNTIME_WATCHER->stop;	429	};
269	$TICK_WATCHER->stop;	430
270	$guard	431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
271	}	443	}
272		444
273	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
274		446
275	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		452
281	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
282		454
283	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
284		456
285	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
288		461
289	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
292	fast or be very important.	465	fast or be very important.
…		…
295		468
296	sub sync_job(&) {	469	sub sync_job(&) {
297	my ($job) = @_;	470	my ($job) = @_;
298		471
299	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
300	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
302		477
303	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	479
305	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
306		481
307	my $busy = 1;	482	my $busy = 1;
308	my @res;	483	my @res;
309		484
310	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	487	@res = eval { $job->() };
312	warn $@ if $@;	488	warn $@ if $@;
313	undef $busy;	489	undef $busy;
314	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
315		491
316	while ($busy) {	492	while ($busy) {
317	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
318	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
319		503
320	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
321	} else {	505	} else {
322	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
323		507
…		…
343	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
344		528
345	$coro	529	$coro
346	}	530	}
347		531
348	sub write_runtime {	532	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		533
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	534	Executes the given code block with the given arguments in a seperate
352	or return;	535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
353		538
354	my $value = $cf::RUNTIME + 90 + 10;	539	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		540
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	541	sub fork_call(&@) {
359	and return;	542	my ($cb, @args) = @_;
360		543
361	aio_fsync $fh	544	# we seemingly have to make a local copy of the whole thing,
362	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
363		547
364	close $fh	548	my @res = Coro::Util::fork_eval {
365	or return;	549	reset_signals;
		550	&$cb
		551	}, @args;
366		552
367	aio_rename "$runtime~", $runtime	553	wantarray ? @res : $res[-1]
368	and return;	554	}
369		555
		556	=item $coin = coin_from_name $name
		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
370	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
		708	}
		709
		710	=item cf::datalog type => key => value, ...
		711
		712	Log a datalog packet of the given type with the given key-value pairs.
		713
		714	=cut
		715
		716	sub datalog($@) {
		717	my ($type, %kv) = @_;
		718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	719	}
372		720
373	=back	721	=back
374		722
375	=cut	723	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
384		732
385	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	735	Deliantra).
388		736
389	=over 4	737	=over 4
390		738
391	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
392		740
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
556		904
557	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		909
562	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	911	my $pkg = shift @arg;
564		912
565	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
595	}	943	}
596		944
597	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
598	} else {	946	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	948	}
601		949
602	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
603	}	951	}
604		952
…		…
606	if (ref $_[0]) {	954	if (ref $_[0]) {
607	_object_attach @_;	955	_object_attach @_;
608	} else {	956	} else {
609	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
610	}	958	}
		959	_recalc_want;
611	};	960	};
612		961
613	# all those should be optimised	962	# all those should be optimised
614	sub cf::attachable::detach {	963	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
619	reattach ($obj);	968	reattach ($obj);
620	} else {	969	} else {
621	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
622	}	971	}
		972	_recalc_want;
623	};	973	};
624		974
625	sub cf::attachable::attached {	975	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
627		977
…		…
642	";	992	";
643	die if $@;	993	die if $@;
644	}	994	}
645		995
646	our $override;	996	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		998
649	sub override {	999	sub override {
650	$override = 1;	1000	$override = 1;
651	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
652	}	1002	}
653		1003
654	sub do_invoke {	1004	sub do_invoke {
655	my $event = shift;	1005	my $event = shift;
656	my $callbacks = shift;	1006	my $callbacks = shift;
657		1007
658	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
659		1009
660	local $override;	1010	local $override;
661		1011
662	for (@$callbacks) {	1012	for (@$callbacks) {
663	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
672	}	1022	}
673		1023
674	0	1024	0
675	}	1025	}
676		1026
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1028
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1030
681	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
682		1032
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1036
687	=back	1037	=back
688		1038
689	=cut	1039	=cut
690		1040
691	#############################################################################	1041	#############################################################################
692	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
693		1085
694	sub reattach {	1086	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1088	my ($obj) = @_;
697		1089
…		…
718	cf::attachable->attach (	1110	cf::attachable->attach (
719	prio => -1000000,	1111	prio => -1000000,
720	on_instantiate => sub {	1112	on_instantiate => sub {
721	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
722		1114
723	$data = from_json $data;	1115	$data = decode_json $data;
724		1116
725	for (@$data) {	1117	for (@$data) {
726	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
727		1119
728	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1136	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
746		1138
747	sync_job {	1139	sync_job {
748	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
751		1144
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1148	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1149	aio_close $fh;
757		1150
758	if (@$objs) {	1151	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1156	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1157	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
766	}	1159	}
767	} else {	1160	} else {
768	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
769	}	1162	}
…		…
774	}	1167	}
775	} else {	1168	} else {
776	aio_unlink $filename;	1169	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
778	}	1171	}
779	}	1172	};
780	}	1173	}
781		1174
782	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
784		1177
…		…
796	or return;	1189	or return;
797		1190
798	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
800	or return;	1193	or return;
		1194
801	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
802	}	1197	}
803		1198
		1199	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
806	return ($data, $av);	1203	($data, $av)
807	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
808		1211
809	#############################################################################	1212	#############################################################################
810	# command handling &c	1213	# command handling &c
811		1214
812	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1229	}
827		1230
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1232
830	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
831		1238
832	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
833	called.	1240	called.
834		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
835	=cut	1253	=cut
836		1254
837	sub register_extcmd {	1255	sub register_extcmd {
838	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
839		1257
840	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
841	}	1265	}
842		1266
843	cf::player->attach (	1267	cf::player->attach (
844	on_command => sub {	1268	on_command => sub {
845	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1278	cf::override;
855	},	1279	},
856	on_extcmd => sub {	1280	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
858		1282
859	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1284
861	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
867	} else {	1300	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1302	}
870		1303
871	cf::override;	1304	cf::override;
872	},	1305	},
873	);	1306	);
874		1307
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
910	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1313	next unless -r $path;
912	eval {	1314
913	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
914	1	1371	}
915	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
916	}	1377	};
917	}	1378	}
918		1379
919	#############################################################################	1380	#############################################################################
920		1381
		1382	=back
		1383
921	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
922		1385
923	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
924		1387
925	=cut	1388	=cut
…		…
930		1393
931	=head3 cf::player	1394	=head3 cf::player
932		1395
933	=over 4	1396	=over 4
934		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
		1411
935	=item cf::player::find $login	1412	=item cf::player::find $login
936		1413
937	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
938		1415
939	=cut	1416	=cut
940		1417
941	sub playerdir($) {	1418	sub playerdir($) {
942	cf::localdir	1419	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1421	}
948		1422
949	sub path($) {	1423	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1425
952	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
953	}	1427	}
954		1428
955	sub find_active($) {	1429	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1444	my $login = $_[0];
971		1445
972	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
973		1447
974	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1449	# rename old playerfiles to new ones
		1450	#TODO: remove when no longer required
		1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1454	aio_unlink +(playerdir $login) . "/$login.pl";
		1455
		1456	my $f = new_from_file cf::object::thawer path $login
976	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
978	}	1465	}
979	}	1466	}
980	}	1467	}
981		1468
…		…
990	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
991		1478
992	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
994		1481
		1482	cf::get_slot 0.01;
		1483
995	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
996	Coro::cede;	1485	cf::cede_to_tick;
997	}	1486	}
998		1487
999	sub new($) {	1488	sub new($) {
1000	my ($login) = @_;	1489	my ($login) = @_;
1001		1490
…		…
1007	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1008		1497
1009	$self	1498	$self
1010	}	1499	}
1011		1500
		1501	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1502
		1503	=cut
		1504
		1505	sub send_msg {
		1506	my $ns = shift->ns
		1507	or return;
		1508	$ns->send_msg (@_);
		1509	}
		1510
1012	=item $pl->quit_character	1511	=item $pl->quit_character
1013		1512
1014	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1514	be destroyed. May block for a long time.
1016		1515
1017	=cut	1516	=cut
1018		1517
1019	sub quit_character {	1518	sub quit_character {
1020	my ($pl) = @_;	1519	my ($pl) = @_;
1021		1520
		1521	my $name = $pl->ob->name;
		1522
1022	$pl->{deny_save} = 1;	1523	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1524	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1525
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026	$pl->deactivate;	1527	$pl->deactivate;
		1528	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1529	$pl->ob->check_score;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1530	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1028	$pl->ns->destroy if $pl->ns;	1531	$pl->ns->destroy if $pl->ns;
1029		1532
1030	my $path = playerdir $pl;	1533	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1534	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1535	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1536	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1537	$pl->destroy;
		1538
		1539	my $prefix = qr<^~\Q$name\E/>;
		1540
		1541	# nuke player maps
		1542	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1543
1035	IO::AIO::aio_rmtree $temp;	1544	IO::AIO::aio_rmtree $temp;
		1545	}
		1546
		1547	=item $pl->kick
		1548
		1549	Kicks a player out of the game. This destroys the connection.
		1550
		1551	=cut
		1552
		1553	sub kick {
		1554	my ($pl, $kicker) = @_;
		1555
		1556	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1557	$pl->killer ("kicked");
		1558	$pl->ns->destroy;
1036	}	1559	}
1037		1560
1038	=item cf::player::list_logins	1561	=item cf::player::list_logins
1039		1562
1040	Returns am arrayref of all valid playernames in the system, can take a	1563	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1564	while and may block, so not sync_job-capable, ever.
1042		1565
1043	=cut	1566	=cut
1044		1567
1045	sub list_logins {	1568	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1569	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1570	or return [];
1048		1571
1049	my @logins;	1572	my @logins;
1050		1573
1051	for my $login (@$dirs) {	1574	for my $login (@$dirs) {
		1575	my $path = path $login;
		1576
		1577	# a .pst is a dead give-away for a valid player
		1578	# if no pst file found, open and chekc for blocked users
		1579	if (aio_stat "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1580	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1581	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1582	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1583	}
1055		1584
1056	utf8::decode $login;	1585	utf8::decode $login;
1057	push @logins, $login;	1586	push @logins, $login;
1058	}	1587	}
1059		1588
…		…
1067		1596
1068	=cut	1597	=cut
1069		1598
1070	sub maps($) {	1599	sub maps($) {
1071	my ($pl) = @_;	1600	my ($pl) = @_;
		1601
		1602	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1603
1073	my $files = aio_readdir playerdir $pl	1604	my $files = aio_readdir playerdir $pl
1074	or return;	1605	or return;
1075		1606
1076	my @paths;	1607	my @paths;
…		…
1078	for (@$files) {	1609	for (@$files) {
1079	utf8::decode $_;	1610	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1611	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1612	next unless /^$PATH_SEP/o;
1082		1613
1083	s/\.map$//;	1614	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1615	}
1086		1616
1087	\@paths	1617	\@paths
1088	}	1618	}
1089		1619
		1620	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1621
		1622	Expand crossfire pod fragments into protocol xml.
		1623
		1624	=cut
		1625
		1626	use re 'eval';
		1627
		1628	my $group;
		1629	my $interior; $interior = qr{
		1630	# match a pod interior sequence sans C<< >>
		1631	(?:
		1632	\ (.*?)\ (?{ $group = $^N })
		1633	| < (??{$interior}) >
		1634	)
		1635	}x;
		1636
		1637	sub expand_cfpod {
		1638	my ($self, $pod) = @_;
		1639
		1640	my $xml;
		1641
		1642	while () {
		1643	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1644	$group = $1;
		1645
		1646	$group =~ s/&/&amp;/g;
		1647	$group =~ s/</&lt;/g;
		1648
		1649	$xml .= $group;
		1650	} elsif ($pod =~ m%\G
		1651	([BCGHITU])
		1652	<
		1653	(?:
		1654	([^<>]*) (?{ $group = $^N })
		1655	| < $interior >
		1656	)
		1657	>
		1658	%gcsx
		1659	) {
		1660	my ($code, $data) = ($1, $group);
		1661
		1662	if ($code eq "B") {
		1663	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1664	} elsif ($code eq "I") {
		1665	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1666	} elsif ($code eq "U") {
		1667	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1668	} elsif ($code eq "C") {
		1669	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1670	} elsif ($code eq "T") {
		1671	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1672	} elsif ($code eq "G") {
		1673	my ($male, $female) = split /\|/, $data;
		1674	$data = $self->gender ? $female : $male;
		1675	$xml .= expand_cfpod ($self, $data);
		1676	} elsif ($code eq "H") {
		1677	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1678	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1679	"")
		1680	[$self->{hintmode}];
		1681	} else {
		1682	$xml .= "error processing '$code($data)' directive";
		1683	}
		1684	} else {
		1685	if ($pod =~ /\G(.+)/) {
		1686	warn "parse error while expanding $pod (at $1)";
		1687	}
		1688	last;
		1689	}
		1690	}
		1691
		1692	for ($xml) {
		1693	# create single paragraphs (very hackish)
		1694	s/(?<=\S)\n(?=\w)/ /g;
		1695
		1696	# compress some whitespace
		1697	s/\s+\n/\n/g; # ws line-ends
		1698	s/\n\n+/\n/g; # double lines
		1699	s/^\n+//; # beginning lines
		1700	s/\n+$//; # ending lines
		1701	}
		1702
		1703	$xml
		1704	}
		1705
		1706	no re 'eval';
		1707
		1708	sub hintmode {
		1709	$_[0]{hintmode} = $_[1] if @_ > 1;
		1710	$_[0]{hintmode}
		1711	}
		1712
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1713	=item $player->ext_reply ($msgid, @msg)
1091		1714
1092	Sends an ext reply to the player.	1715	Sends an ext reply to the player.
1093		1716
1094	=cut	1717	=cut
1095		1718
1096	sub ext_reply($$$%) {	1719	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1720	my ($self, $id, @msg) = @_;
1098		1721
1099	$msg{msgid} = $id;	1722	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1723	}
1103		1724
1104	package cf;	1725	=item $player->ext_msg ($type, @msg)
		1726
		1727	Sends an ext event to the client.
		1728
		1729	=cut
		1730
		1731	sub ext_msg($$@) {
		1732	my ($self, $type, @msg) = @_;
		1733
		1734	$self->ns->ext_msg ($type, @msg);
		1735	}
		1736
		1737	=head3 cf::region
		1738
		1739	=over 4
		1740
		1741	=cut
		1742
		1743	package cf::region;
		1744
		1745	=item cf::region::find_by_path $path
		1746
		1747	Tries to decuce the likely region for a map knowing only its path.
		1748
		1749	=cut
		1750
		1751	sub find_by_path($) {
		1752	my ($path) = @_;
		1753
		1754	my ($match, $specificity);
		1755
		1756	for my $region (list) {
		1757	if ($region->{match} && $path =~ $region->{match}) {
		1758	($match, $specificity) = ($region, $region->specificity)
		1759	if $region->specificity > $specificity;
		1760	}
		1761	}
		1762
		1763	$match
		1764	}
1105		1765
1106	=back	1766	=back
1107
1108		1767
1109	=head3 cf::map	1768	=head3 cf::map
1110		1769
1111	=over 4	1770	=over 4
1112		1771
…		…
1124	our $MAX_RESET = 3600;	1783	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1784	our $DEFAULT_RESET = 3000;
1126		1785
1127	sub generate_random_map {	1786	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1787	my ($self, $rmp) = @_;
		1788
		1789	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1790
1129	# mit "rum" bekleckern, nicht	1791	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1792	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1793	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1794	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1795	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1167	my ($self, $merge) = @_;	1829	my ($self, $merge) = @_;
1168		1830
1169	# we have to keep some variables in memory intact	1831	# we have to keep some variables in memory intact
1170	local $self->{path};	1832	local $self->{path};
1171	local $self->{load_path};	1833	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1834
1175	$self->SUPER::thawer_merge ($merge);	1835	$self->SUPER::thawer_merge ($merge);
1176	}	1836	}
1177		1837
1178	sub normalise {	1838	sub normalise {
1179	my ($path, $base) = @_;	1839	my ($path, $base) = @_;
		1840
		1841	$path = "$path"; # make sure its a string
		1842
		1843	$path =~ s/\.map$//;
1180		1844
1181	# map plan:	1845	# map plan:
1182	#	1846	#
1183	# /! non-realised random map exit (special hack!)	1847	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1848	# {... are special paths that are not being touched
…		…
1221	$self->init; # pass $1 etc.	1885	$self->init; # pass $1 etc.
1222	return $self;	1886	return $self;
1223	}	1887	}
1224	}	1888	}
1225		1889
1226	Carp::carp "unable to resolve path '$path'.";	1890	Carp::cluck "unable to resolve path '$path' (base '$base').";
1227	()	1891	()
1228	}	1892	}
1229		1893
1230	sub init {	1894	sub init {
1231	my ($self) = @_;	1895	my ($self) = @_;
…		…
1246		1910
1247	# the original (read-only) location	1911	# the original (read-only) location
1248	sub load_path {	1912	sub load_path {
1249	my ($self) = @_;	1913	my ($self) = @_;
1250		1914
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1915	"$MAPDIR/$self->{path}.map"
1252	}	1916	}
1253		1917
1254	# the temporary/swap location	1918	# the temporary/swap location
1255	sub save_path {	1919	sub save_path {
1256	my ($self) = @_;	1920	my ($self) = @_;
1257		1921
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1923	"$TMPDIR/$path.map"
1260	}	1924	}
1261		1925
1262	# the unique path, undef == no special unique path	1926	# the unique path, undef == no special unique path
1263	sub uniq_path {	1927	sub uniq_path {
1264	my ($self) = @_;	1928	my ($self) = @_;
1265		1929
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1930	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1931	"$UNIQUEDIR/$path"
1268	}	1932	}
1269		1933
1270	# and all this just because we cannot iterate over	1934	# and all this just because we cannot iterate over
1271	# all maps in C++...	1935	# all maps in C++...
1272	sub change_all_map_light {	1936	sub change_all_map_light {
…		…
1274		1938
1275	$_->change_map_light ($change)	1939	$_->change_map_light ($change)
1276	for grep $_->outdoor, values %cf::MAP;	1940	for grep $_->outdoor, values %cf::MAP;
1277	}	1941	}
1278		1942
		1943	sub decay_objects {
		1944	my ($self) = @_;
		1945
		1946	return if $self->{deny_reset};
		1947
		1948	$self->do_decay_objects;
		1949	}
		1950
1279	sub unlink_save {	1951	sub unlink_save {
1280	my ($self) = @_;	1952	my ($self) = @_;
1281		1953
1282	utf8::encode (my $save = $self->save_path);	1954	utf8::encode (my $save = $self->save_path);
1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1955	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1286		1958
1287	sub load_header_from($) {	1959	sub load_header_from($) {
1288	my ($self, $path) = @_;	1960	my ($self, $path) = @_;
1289		1961
1290	utf8::encode $path;	1962	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1963	my $f = new_from_file cf::object::thawer $path
1292	or return;	1964	or return;
1293		1965
1294	$self->_load_header ($path)	1966	$self->_load_header ($f)
1295	or return;	1967	or return;
		1968
		1969	local $MAP_LOADING{$self->{path}} = $self;
		1970	$f->resolve_delayed_derefs;
1296		1971
1297	$self->{load_path} = $path;	1972	$self->{load_path} = $path;
1298		1973
1299	1	1974	1
1300	}	1975	}
…		…
1339	$self->load_header_orig	2014	$self->load_header_orig
1340	or return;	2015	or return;
1341	$self->prepare_orig;	2016	$self->prepare_orig;
1342	}	2017	}
1343		2018
		2019	$self->{deny_reset} = 1
		2020	if $self->no_reset;
		2021
		2022	$self->default_region (cf::region::find_by_path $self->{path})
		2023	unless $self->default_region;
		2024
1344	1	2025	1
1345	}	2026	}
1346		2027
1347	sub find;	2028	sub find;
1348	sub find {	2029	sub find {
1349	my ($path, $origin) = @_;	2030	my ($path, $origin) = @_;
1350		2031
1351	$path = normalise $path, $origin && $origin->path;	2032	$path = normalise $path, $origin && $origin->path;
1352		2033
		2034	cf::lock_wait "map_data:$path";#d#remove
1353	cf::lock_wait "map_find:$path";	2035	cf::lock_wait "map_find:$path";
1354		2036
1355	$cf::MAP{$path} || do {	2037	$cf::MAP{$path} || do {
		2038	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1356	my $guard = cf::lock_acquire "map_find:$path";	2039	my $guard2 = cf::lock_acquire "map_find:$path";
		2040
1357	my $map = new_from_path cf::map $path	2041	my $map = new_from_path cf::map $path
1358	or return;	2042	or return;
1359		2043
1360	$map->{last_save} = $cf::RUNTIME;	2044	$map->{last_save} = $cf::RUNTIME;
1361		2045
1362	$map->load_header	2046	$map->load_header
1363	or return;	2047	or return;
1364		2048
1365	if ($map->should_reset) {	2049	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1366	# doing this can freeze the server in a sync job, obviously	2050	# doing this can freeze the server in a sync job, obviously
1367	#$cf::WAIT_FOR_TICK->wait;	2051	#$cf::WAIT_FOR_TICK->wait;
		2052	undef $guard2;
		2053	undef $guard1;
1368	$map->reset;	2054	$map->reset;
1369	undef $guard;
1370	$map = find $path	2055	return find $path;
1371	or return;
1372	}	2056	}
1373		2057
1374	$cf::MAP{$path} = $map	2058	$cf::MAP{$path} = $map
1375	}	2059	}
1376	}	2060	}
…		…
1379	sub post_load { }	2063	sub post_load { }
1380		2064
1381	sub load {	2065	sub load {
1382	my ($self) = @_;	2066	my ($self) = @_;
1383		2067
		2068	local $self->{deny_reset} = 1; # loading can take a long time
		2069
1384	my $path = $self->{path};	2070	my $path = $self->{path};
		2071
		2072	{
1385	my $guard = cf::lock_acquire "map_load:$path";	2073	my $guard = cf::lock_acquire "map_data:$path";
1386		2074
		2075	return unless $self->valid;
1387	return if $self->in_memory != cf::MAP_SWAPPED;	2076	return unless $self->in_memory == cf::MAP_SWAPPED;
1388		2077
1389	$self->in_memory (cf::MAP_LOADING);	2078	$self->in_memory (cf::MAP_LOADING);
1390		2079
1391	$self->alloc;	2080	$self->alloc;
1392		2081
1393	$self->pre_load;	2082	$self->pre_load;
		2083	cf::cede_to_tick;
1394		2084
1395	$self->_load_objects ($self->{load_path}, 1)	2085	my $f = new_from_file cf::object::thawer $self->{load_path};
		2086	$f->skip_block;
		2087	$self->_load_objects ($f)
1396	or return;	2088	or return;
1397		2089
1398	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2090	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1399	if delete $self->{load_original};	2091	if delete $self->{load_original};
1400		2092
1401	if (my $uniq = $self->uniq_path) {	2093	if (my $uniq = $self->uniq_path) {
1402	utf8::encode $uniq;	2094	utf8::encode $uniq;
1403	if (aio_open $uniq, O_RDONLY, 0) {	2095	unless (aio_stat $uniq) {
		2096	if (my $f = new_from_file cf::object::thawer $uniq) {
1404	$self->clear_unique_items;	2097	$self->clear_unique_items;
1405	$self->_load_objects ($uniq, 0);	2098	$self->_load_objects ($f);
		2099	$f->resolve_delayed_derefs;
		2100	}
1406	}	2101	}
1407	}	2102	}
1408		2103
1409	Coro::cede;	2104	$f->resolve_delayed_derefs;
1410		2105
		2106	cf::cede_to_tick;
1411	# now do the right thing for maps	2107	# now do the right thing for maps
1412	$self->link_multipart_objects;	2108	$self->link_multipart_objects;
1413
1414	unless ($self->{deny_activate}) {
1415	$self->decay_objects;
1416	$self->fix_auto_apply;
1417	$self->update_buttons;
1418	Coro::cede;
1419	$self->set_darkness_map;
1420	$self->difficulty ($self->estimate_difficulty)	2109	$self->difficulty ($self->estimate_difficulty)
1421	unless $self->difficulty;	2110	unless $self->difficulty;
1422	Coro::cede;	2111	cf::cede_to_tick;
		2112
		2113	unless ($self->{deny_activate}) {
		2114	$self->decay_objects;
		2115	$self->fix_auto_apply;
		2116	$self->update_buttons;
		2117	cf::cede_to_tick;
		2118	$self->set_darkness_map;
		2119	cf::cede_to_tick;
1423	$self->activate;	2120	$self->activate;
		2121	}
		2122
		2123	$self->{last_save} = $cf::RUNTIME;
		2124	$self->last_access ($cf::RUNTIME);
		2125
		2126	$self->in_memory (cf::MAP_ACTIVE);
1424	}	2127	}
1425		2128
1426	$self->post_load;	2129	$self->post_load;
1427
1428	$self->in_memory (cf::MAP_IN_MEMORY);
1429	}	2130	}
1430		2131
1431	sub customise_for {	2132	sub customise_for {
1432	my ($self, $ob) = @_;	2133	my ($self, $ob) = @_;
1433		2134
1434	return find "~" . $ob->name . "/" . $self->{path}	2135	return find "~" . $ob->name . "/" . $self->{path}
1435	if $self->per_player;	2136	if $self->per_player;
1436		2137
		2138	# return find "?party/" . $ob->name . "/" . $self->{path}
		2139	# if $self->per_party;
		2140
1437	$self	2141	$self
1438	}	2142	}
1439		2143
1440	# find and load all maps in the 3x3 area around a map	2144	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	2145	sub load_neighbours {
1442	my ($map) = @_;	2146	my ($map) = @_;
1443		2147
1444	my @diag; # diagonal neighbours	2148	my @neigh; # diagonal neighbours
1445		2149
1446	for (0 .. 3) {	2150	for (0 .. 3) {
1447	my $neigh = $map->tile_path ($_)	2151	my $neigh = $map->tile_path ($_)
1448	or next;	2152	or next;
1449	$neigh = find $neigh, $map	2153	$neigh = find $neigh, $map
1450	or next;	2154	or next;
1451	$neigh->load;	2155	$neigh->load;
1452		2156
		2157	push @neigh,
1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2158	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2159	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1455	}	2160	}
1456		2161
1457	for (@diag) {	2162	for (grep defined $_->[0], @neigh) {
		2163	my ($path, $origin) = @$_;
1458	my $neigh = find @$_	2164	my $neigh = find $path, $origin
1459	or next;	2165	or next;
1460	$neigh->load;	2166	$neigh->load;
1461	}	2167	}
1462	}	2168	}
1463		2169
…		…
1468	}	2174	}
1469		2175
1470	sub do_load_sync {	2176	sub do_load_sync {
1471	my ($map) = @_;	2177	my ($map) = @_;
1472		2178
		2179	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2180	if $Coro::current == $Coro::main;
		2181
1473	cf::sync_job { $map->load };	2182	cf::sync_job { $map->load };
1474	}	2183	}
1475		2184
1476	our %MAP_PREFETCH;	2185	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = undef;	2186	our $MAP_PREFETCHER = undef;
1478		2187
1479	sub find_async {	2188	sub find_async {
1480	my ($path, $origin) = @_;	2189	my ($path, $origin, $load) = @_;
1481		2190
1482	$path = normalise $path, $origin && $origin->{path};	2191	$path = normalise $path, $origin && $origin->{path};
1483		2192
1484	if (my $map = $cf::MAP{$path}) {	2193	if (my $map = $cf::MAP{$path}) {
1485	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2194	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1486	}	2195	}
1487		2196
1488	undef $MAP_PREFETCH{$path};	2197	$MAP_PREFETCH{$path} |= $load;
		2198
1489	$MAP_PREFETCHER ||= cf::async {	2199	$MAP_PREFETCHER ||= cf::async {
		2200	$Coro::current->{desc} = "map prefetcher";
		2201
1490	while (%MAP_PREFETCH) {	2202	while (%MAP_PREFETCH) {
1491	for my $path (keys %MAP_PREFETCH) {	2203	while (my ($k, $v) = each %MAP_PREFETCH) {
1492	my $map = find $path	2204	if (my $map = find $k) {
1493	or next;
1494	$map->load;	2205	$map->load if $v;
		2206	}
1495		2207
1496	delete $MAP_PREFETCH{$path};	2208	delete $MAP_PREFETCH{$k};
1497	}	2209	}
1498	}	2210	}
1499	undef $MAP_PREFETCHER;	2211	undef $MAP_PREFETCHER;
1500	};	2212	};
1501	$MAP_PREFETCHER->prio (6);	2213	$MAP_PREFETCHER->prio (6);
…		…
1504	}	2216	}
1505		2217
1506	sub save {	2218	sub save {
1507	my ($self) = @_;	2219	my ($self) = @_;
1508		2220
1509	my $lock = cf::lock_acquire "map_data:" . $self->path;	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1510		2222
1511	$self->{last_save} = $cf::RUNTIME;	2223	$self->{last_save} = $cf::RUNTIME;
1512		2224
1513	return unless $self->dirty;	2225	return unless $self->dirty;
1514		2226
…		…
1520	return if $self->{deny_save};	2232	return if $self->{deny_save};
1521		2233
1522	local $self->{last_access} = $self->last_access;#d#	2234	local $self->{last_access} = $self->last_access;#d#
1523		2235
1524	cf::async {	2236	cf::async {
		2237	$Coro::current->{desc} = "map player save";
1525	$_->contr->save for $self->players;	2238	$_->contr->save for $self->players;
1526	};	2239	};
		2240
		2241	cf::get_slot 0.02;
1527		2242
1528	if ($uniq) {	2243	if ($uniq) {
1529	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2244	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1530	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2245	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1531	} else {	2246	} else {
…		…
1537	my ($self) = @_;	2252	my ($self) = @_;
1538		2253
1539	# save first because save cedes	2254	# save first because save cedes
1540	$self->save;	2255	$self->save;
1541		2256
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2258
1544	return if $self->players;	2259	return if $self->players;
1545	return if $self->in_memory != cf::MAP_IN_MEMORY;	2260	return if $self->in_memory != cf::MAP_ACTIVE;
1546	return if $self->{deny_save};	2261	return if $self->{deny_save};
1547		2262
		2263	$self->in_memory (cf::MAP_SWAPPED);
		2264
		2265	$self->deactivate;
		2266	$_->clear_links_to ($self) for values %cf::MAP;
1548	$self->clear;	2267	$self->clear;
1549	$self->in_memory (cf::MAP_SWAPPED);
1550	}	2268	}
1551		2269
1552	sub reset_at {	2270	sub reset_at {
1553	my ($self) = @_;	2271	my ($self) = @_;
1554		2272
1555	# TODO: safety, remove and allow resettable per-player maps	2273	# TODO: safety, remove and allow resettable per-player maps
1556	return 1e99 if $self->isa ("ext::map_per_player");#d#
1557	return 1e99 if $self->{deny_reset};	2274	return 1e99 if $self->{deny_reset};
1558		2275
1559	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2276	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1560	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2277	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1561		2278
…		…
1572	my ($self) = @_;	2289	my ($self) = @_;
1573		2290
1574	my $lock = cf::lock_acquire "map_data:$self->{path}";	2291	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2292
1576	return if $self->players;	2293	return if $self->players;
1577	return if $self->isa ("ext::map_per_player");#d#
1578		2294
1579	warn "resetting map ", $self->path;#d#	2295	warn "resetting map ", $self->path;
		2296
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# need to save uniques path
		2300	unless ($self->{deny_save}) {
		2301	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2302
		2303	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2304	if $uniq;
		2305	}
1580		2306
1581	delete $cf::MAP{$self->path};	2307	delete $cf::MAP{$self->path};
1582		2308
1583	$self->in_memory (cf::MAP_SWAPPED);	2309	$self->deactivate;
		2310	$_->clear_links_to ($self) for values %cf::MAP;
1584	$self->clear;	2311	$self->clear;
1585
1586	$_->clear_links_to ($self) for values %cf::MAP;
1587		2312
1588	$self->unlink_save;	2313	$self->unlink_save;
1589	$self->destroy;	2314	$self->destroy;
1590	}	2315	}
1591		2316
1592	my $nuke_counter = "aaaa";	2317	my $nuke_counter = "aaaa";
1593		2318
1594	sub nuke {	2319	sub nuke {
1595	my ($self) = @_;	2320	my ($self) = @_;
1596		2321
		2322	{
		2323	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2324
1597	delete $cf::MAP{$self->path};	2325	delete $cf::MAP{$self->path};
1598		2326
1599	$self->unlink_save;	2327	$self->unlink_save;
1600		2328
1601	bless $self, "cf::map";	2329	bless $self, "cf::map";
1602	delete $self->{deny_reset};	2330	delete $self->{deny_reset};
1603	$self->{deny_save} = 1;	2331	$self->{deny_save} = 1;
1604	$self->reset_timeout (1);	2332	$self->reset_timeout (1);
1605	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2333	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1606		2334
1607	$cf::MAP{$self->path} = $self;	2335	$cf::MAP{$self->path} = $self;
		2336	}
1608		2337
1609	$self->reset; # polite request, might not happen	2338	$self->reset; # polite request, might not happen
		2339	}
		2340
		2341	=item $maps = cf::map::tmp_maps
		2342
		2343	Returns an arrayref with all map paths of currently instantiated and saved
		2344	maps. May block.
		2345
		2346	=cut
		2347
		2348	sub tmp_maps() {
		2349	[
		2350	map {
		2351	utf8::decode $_;
		2352	/\.map$/
		2353	? normalise $_
		2354	: ()
		2355	} @{ aio_readdir $TMPDIR or [] }
		2356	]
		2357	}
		2358
		2359	=item $maps = cf::map::random_maps
		2360
		2361	Returns an arrayref with all map paths of currently instantiated and saved
		2362	random maps. May block.
		2363
		2364	=cut
		2365
		2366	sub random_maps() {
		2367	[
		2368	map {
		2369	utf8::decode $_;
		2370	/\.map$/
		2371	? normalise "?random/$_"
		2372	: ()
		2373	} @{ aio_readdir $RANDOMDIR or [] }
		2374	]
1610	}	2375	}
1611		2376
1612	=item cf::map::unique_maps	2377	=item cf::map::unique_maps
1613		2378
1614	Returns an arrayref of paths of all shared maps that have	2379	Returns an arrayref of paths of all shared maps that have
1615	instantiated unique items. May block.	2380	instantiated unique items. May block.
1616		2381
1617	=cut	2382	=cut
1618		2383
1619	sub unique_maps() {	2384	sub unique_maps() {
1620	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2385	[
1621	or return;	2386	map {
1622
1623	my @paths;
1624
1625	for (@$files) {
1626	utf8::decode $_;	2387	utf8::decode $_;
1627	next if /\.pst$/;	2388	s/\.map$//; # TODO future compatibility hack
1628	next unless /^$PATH_SEP/o;	2389	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1629		2390	? ()
1630	s/\.map$//;	2391	: normalise $_
1631	push @paths, $_;	2392	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2393	]
1633
1634	\@paths
1635	}	2394	}
1636
1637	package cf;
1638		2395
1639	=back	2396	=back
1640		2397
1641	=head3 cf::object	2398	=head3 cf::object
1642		2399
…		…
1646		2403
1647	=over 4	2404	=over 4
1648		2405
1649	=item $ob->inv_recursive	2406	=item $ob->inv_recursive
1650		2407
1651	Returns the inventory of the object _and_ their inventories, recursively.	2408	Returns the inventory of the object I<and> their inventories, recursively,
		2409	but I<not> the object itself.
1652		2410
1653	=cut	2411	=cut
1654		2412
1655	sub inv_recursive_;	2413	sub inv_recursive_;
1656	sub inv_recursive_ {	2414	sub inv_recursive_ {
…		…
1659		2417
1660	sub inv_recursive {	2418	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2419	inv_recursive_ inv $_[0]
1662	}	2420	}
1663		2421
		2422	=item $ref = $ob->ref
		2423
		2424	Creates and returns a persistent reference to an object that can be stored as a string.
		2425
		2426	=item $ob = cf::object::deref ($refstring)
		2427
		2428	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2429	even if the object actually exists. May block.
		2430
		2431	=cut
		2432
		2433	sub deref {
		2434	my ($ref) = @_;
		2435
		2436	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2437	my ($uuid, $name) = ($1, $2);
		2438	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2439	or return;
		2440	$pl->ob->uuid eq $uuid
		2441	or return;
		2442
		2443	$pl->ob
		2444	} else {
		2445	warn "$ref: cannot resolve object reference\n";
		2446	undef
		2447	}
		2448	}
		2449
1664	package cf;	2450	package cf;
1665		2451
1666	=back	2452	=back
1667		2453
1668	=head3 cf::object::player	2454	=head3 cf::object::player
…		…
1674	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2460	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1675	can be C<undef>. Does the right thing when the player is currently in a	2461	can be C<undef>. Does the right thing when the player is currently in a
1676	dialogue with the given NPC character.	2462	dialogue with the given NPC character.
1677		2463
1678	=cut	2464	=cut
		2465
		2466	our $SAY_CHANNEL = {
		2467	id => "say",
		2468	title => "Map",
		2469	reply => "say ",
		2470	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2471	};
		2472
		2473	our $CHAT_CHANNEL = {
		2474	id => "chat",
		2475	title => "Chat",
		2476	reply => "chat ",
		2477	tooltip => "Player chat and shouts, global to the server.",
		2478	};
1679		2479
1680	# rough implementation of a future "reply" method that works	2480	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2481	# with dialog boxes.
1682	#TODO: the first argument must go, split into a $npc->reply_to ( method	2482	#TODO: the first argument must go, split into a $npc->reply_to ( method
1683	sub cf::object::player::reply($$$;$) {	2483	sub cf::object::player::reply($$$;$) {
…		…
1685		2485
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2486	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2487
1688	if ($self->{record_replies}) {	2488	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2489	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2490
1690	} else {	2491	} else {
		2492	my $pl = $self->contr;
		2493
		2494	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2495	my $dialog = $pl->{npc_dialog};
		2496	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2497
		2498	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2499	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2500	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2501	}
1693	}	2502	}
		2503	}
		2504
		2505	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2506
		2507	=cut
		2508
		2509	sub cf::object::send_msg {
		2510	my $pl = shift->contr
		2511	or return;
		2512	$pl->send_msg (@_);
1694	}	2513	}
1695		2514
1696	=item $player_object->may ("access")	2515	=item $player_object->may ("access")
1697		2516
1698	Returns wether the given player is authorized to access resource "access"	2517	Returns wether the given player is authorized to access resource "access"
…		…
1730	=cut	2549	=cut
1731		2550
1732	sub link_map {	2551	sub link_map {
1733	unless ($LINK_MAP) {	2552	unless ($LINK_MAP) {
1734	$LINK_MAP = cf::map::find "{link}"	2553	$LINK_MAP = cf::map::find "{link}"
1735	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2554	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1736	$LINK_MAP->load;	2555	$LINK_MAP->load;
1737	}	2556	}
1738		2557
1739	$LINK_MAP	2558	$LINK_MAP
1740	}	2559	}
…		…
1745	$self->deactivate_recursive;	2564	$self->deactivate_recursive;
1746		2565
1747	return if UNIVERSAL::isa $self->map, "ext::map_link";	2566	return if UNIVERSAL::isa $self->map, "ext::map_link";
1748		2567
1749	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2568	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1750	if $self->map;	2569	if $self->map && $self->map->{path} ne "{link}";
1751		2570
1752	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2571	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1753	}	2572	}
1754		2573
1755	sub cf::object::player::leave_link {	2574	sub cf::object::player::leave_link {
1756	my ($self, $map, $x, $y) = @_;	2575	my ($self, $map, $x, $y) = @_;
		2576
		2577	return unless $self->contr->active;
1757		2578
1758	my $link_pos = delete $self->{_link_pos};	2579	my $link_pos = delete $self->{_link_pos};
1759		2580
1760	unless ($map) {	2581	unless ($map) {
1761	# restore original map position	2582	# restore original map position
…		…
1775	# use -1 or undef as default coordinates, not 0, 0	2596	# use -1 or undef as default coordinates, not 0, 0
1776	($x, $y) = ($map->enter_x, $map->enter_y)	2597	($x, $y) = ($map->enter_x, $map->enter_y)
1777	if $x <=0 && $y <= 0;	2598	if $x <=0 && $y <= 0;
1778		2599
1779	$map->load;	2600	$map->load;
1780	$map->load_diag;	2601	$map->load_neighbours;
1781		2602
1782	return unless $self->contr->active;	2603	return unless $self->contr->active;
1783	$self->activate_recursive;	2604	$self->activate_recursive;
		2605
		2606	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1784	$self->enter_map ($map, $x, $y);	2607	$self->enter_map ($map, $x, $y);
1785	}	2608	}
1786		2609
1787	cf::player->attach (	2610	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1788	on_logout => sub {
1789	my ($pl) = @_;
1790		2611
1791	# abort map switching before logout	2612	Moves the player to the given map-path and coordinates by first freezing
1792	if ($pl->ob->{_link_pos}) {	2613	her, loading and preparing them map, calling the provided $check callback
1793	cf::sync_job {	2614	that has to return the map if sucecssful, and then unfreezes the player on
1794	$pl->ob->leave_link	2615	the new (success) or old (failed) map position. In either case, $done will
1795	};	2616	be called at the end of this process.
1796	}
1797	},
1798	on_login => sub {
1799	my ($pl) = @_;
1800		2617
1801	# try to abort aborted map switching on player login :)
1802	# should happen only on crashes
1803	if ($pl->ob->{_link_pos}) {
1804	$pl->ob->enter_link;
1805	(async {
1806	# we need this sleep as the login has a concurrent enter_exit running
1807	# and this sleep increases chances of the player not ending up in scorn
1808	$pl->ob->reply (undef,
1809	"There was an internal problem at your last logout, "
1810	. "the server will try to bring you to your intended destination in a second.",
1811	cf::NDI_RED);
1812	Coro::Timer::sleep 1;
1813	$pl->ob->leave_link;
1814	})->prio (2);
1815	}
1816	},
1817	);
1818
1819	=item $player_object->goto ($path, $x, $y)
1820
1821	=cut	2618	=cut
		2619
		2620	our $GOTOGEN;
1822		2621
1823	sub cf::object::player::goto {	2622	sub cf::object::player::goto {
1824	my ($self, $path, $x, $y) = @_;	2623	my ($self, $path, $x, $y, $check, $done) = @_;
		2624
		2625	# do generation counting so two concurrent goto's will be executed in-order
		2626	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1825		2627
1826	$self->enter_link;	2628	$self->enter_link;
1827		2629
1828	(async {	2630	(async {
1829	my $map = cf::map::find $path;	2631	$Coro::current->{desc} = "player::goto $path $x $y";
		2632
		2633	# *tag paths override both path and x|y
		2634	if ($path =~ /^\*(.*)$/) {
		2635	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2636	my $ob = $obs[rand @obs];
		2637
		2638	# see if we actually can go there
		2639	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2640	$ob = $obs[rand @obs];
		2641	} else {
		2642	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2643	}
		2644	# else put us there anyways for now #d#
		2645
		2646	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2647	} else {
		2648	($path, $x, $y) = (undef, undef, undef);
		2649	}
		2650	}
		2651
		2652	my $map = eval {
		2653	my $map = defined $path ? cf::map::find $path : undef;
		2654
		2655	if ($map) {
1830	$map = $map->customise_for ($self) if $map;	2656	$map = $map->customise_for ($self);
1831		2657	$map = $check->($map) if $check && $map;
1832	# warn "entering ", $map->path, " at ($x, $y)\n"	2658	} else {
1833	# if $map;
1834
1835	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2659	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2660	}
1836		2661
		2662	$map
		2663	};
		2664
		2665	if ($@) {
		2666	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2667	LOG llevError | logBacktrace, Carp::longmess $@;
		2668	}
		2669
		2670	if ($gen == $self->{_goto_generation}) {
		2671	delete $self->{_goto_generation};
1837	$self->leave_link ($map, $x, $y);	2672	$self->leave_link ($map, $x, $y);
		2673	}
		2674
		2675	$done->() if $done;
1838	})->prio (1);	2676	})->prio (1);
1839	}	2677	}
1840		2678
1841	=item $player_object->enter_exit ($exit_object)	2679	=item $player_object->enter_exit ($exit_object)
1842		2680
…		…
1862	}	2700	}
1863		2701
1864	sub prepare_random_map {	2702	sub prepare_random_map {
1865	my ($exit) = @_;	2703	my ($exit) = @_;
1866		2704
1867	my $guard = cf::lock_acquire "exit_prepare:$exit";
1868
1869	# all this does is basically replace the /! path by	2705	# all this does is basically replace the /! path by
1870	# a new random map path (?random/...) with a seed	2706	# a new random map path (?random/...) with a seed
1871	# that depends on the exit object	2707	# that depends on the exit object
1872		2708
1873	my $rmp = parse_random_map_params $exit->msg;	2709	my $rmp = parse_random_map_params $exit->msg;
1874		2710
1875	if ($exit->map) {	2711	if ($exit->map) {
1876	$rmp->{region} = $exit->map->region_name;	2712	$rmp->{region} = $exit->region->name;
1877	$rmp->{origin_map} = $exit->map->path;	2713	$rmp->{origin_map} = $exit->map->path;
1878	$rmp->{origin_x} = $exit->x;	2714	$rmp->{origin_x} = $exit->x;
1879	$rmp->{origin_y} = $exit->y;	2715	$rmp->{origin_y} = $exit->y;
		2716
		2717	$exit->map->touch;
1880	}	2718	}
1881		2719
1882	$rmp->{random_seed} ||= $exit->random_seed;	2720	$rmp->{random_seed} ||= $exit->random_seed;
1883		2721
1884	my $data = cf::to_json $rmp;	2722	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1885	my $md5 = Digest::MD5::md5_hex $data;	2723	my $md5 = Digest::MD5::md5_hex $data;
1886	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2724	my $meta = "$RANDOMDIR/$md5.meta";
1887		2725
1888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2726	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1889	aio_write $fh, 0, (length $data), $data, 0;	2727	aio_write $fh, 0, (length $data), $data, 0;
1890	undef $fh;	2728	undef $fh;
1891	aio_rename "$meta~", $meta;	2729	aio_rename "$meta~", $meta;
1892		2730
		2731	my $slaying = "?random/$md5";
		2732
		2733	if ($exit->valid) {
1893	$exit->slaying ("?random/$md5");	2734	$exit->slaying ("?random/$md5");
1894	$exit->msg (undef);	2735	$exit->msg (undef);
		2736	}
1895	}	2737	}
1896	}	2738	}
1897		2739
1898	sub cf::object::player::enter_exit {	2740	sub cf::object::player::enter_exit {
1899	my ($self, $exit) = @_;	2741	my ($self, $exit) = @_;
…		…
1901	return unless $self->type == cf::PLAYER;	2743	return unless $self->type == cf::PLAYER;
1902		2744
1903	$self->enter_link;	2745	$self->enter_link;
1904		2746
1905	(async {	2747	(async {
1906	$self->deactivate_recursive; # just to be sure	2748	$Coro::current->{desc} = "enter_exit";
		2749
1907	unless (eval {	2750	unless (eval {
		2751	$self->deactivate_recursive; # just to be sure
		2752
		2753	# random map handling
		2754	{
		2755	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2756
1908	prepare_random_map $exit	2757	prepare_random_map $exit
1909	if $exit->slaying eq "/!";	2758	if $exit->slaying eq "/!";
		2759	}
1910		2760
1911	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2761	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1912	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2762	my $x = $exit->stats->hp;
		2763	my $y = $exit->stats->sp;
1913		2764
		2765	$self->goto ($map, $x, $y);
		2766
		2767	# if exit is damned, update players death & WoR home-position
		2768	$self->contr->savebed ($map, $x, $y)
		2769	if $exit->flag (cf::FLAG_DAMNED);
		2770
1914	1;	2771	1
1915	}) {	2772	}) {
1916	$self->message ("Something went wrong deep within the crossfire server. "	2773	$self->message ("Something went wrong deep within the crossfire server. "
1917	. "I'll try to bring you back to the map you were before. "	2774	. "I'll try to bring you back to the map you were before. "
1918	. "Please report this to the dungeon master!",	2775	. "Please report this to the dungeon master!",
1919	cf::NDI_UNIQUE | cf::NDI_RED);	2776	cf::NDI_UNIQUE | cf::NDI_RED);
1920		2777
1921	warn "ERROR in enter_exit: $@";	2778	warn "ERROR in enter_exit: $@";
1922	$self->leave_link;	2779	$self->leave_link;
1923	}	2780	}
1924	})->prio (1);	2781	})->prio (1);
…		…
1937		2794
1938	sub cf::client::send_drawinfo {	2795	sub cf::client::send_drawinfo {
1939	my ($self, $text, $flags) = @_;	2796	my ($self, $text, $flags) = @_;
1940		2797
1941	utf8::encode $text;	2798	utf8::encode $text;
1942	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2799	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1943	}	2800	}
1944		2801
		2802	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2803
		2804	Send a drawinfo or msg packet to the client, formatting the msg for the
		2805	client if neccessary. C<$type> should be a string identifying the type of
		2806	the message, with C<log> being the default. If C<$color> is negative, suppress
		2807	the message unless the client supports the msg packet.
		2808
		2809	=cut
		2810
		2811	# non-persistent channels (usually the info channel)
		2812	our %CHANNEL = (
		2813	"c/identify" => {
		2814	id => "infobox",
		2815	title => "Identify",
		2816	reply => undef,
		2817	tooltip => "Items recently identified",
		2818	},
		2819	"c/examine" => {
		2820	id => "infobox",
		2821	title => "Examine",
		2822	reply => undef,
		2823	tooltip => "Signs and other items you examined",
		2824	},
		2825	"c/book" => {
		2826	id => "infobox",
		2827	title => "Book",
		2828	reply => undef,
		2829	tooltip => "The contents of a note or book",
		2830	},
		2831	"c/lookat" => {
		2832	id => "infobox",
		2833	title => "Look",
		2834	reply => undef,
		2835	tooltip => "What you saw there",
		2836	},
		2837	"c/who" => {
		2838	id => "infobox",
		2839	title => "Players",
		2840	reply => undef,
		2841	tooltip => "Shows players who are currently online",
		2842	},
		2843	"c/body" => {
		2844	id => "infobox",
		2845	title => "Body Parts",
		2846	reply => undef,
		2847	tooltip => "Shows which body parts you posess and are available",
		2848	},
		2849	"c/uptime" => {
		2850	id => "infobox",
		2851	title => "Uptime",
		2852	reply => undef,
		2853	tooltip => "How long the server has been running since last restart",
		2854	},
		2855	"c/mapinfo" => {
		2856	id => "infobox",
		2857	title => "Map Info",
		2858	reply => undef,
		2859	tooltip => "Information related to the maps",
		2860	},
		2861	"c/party" => {
		2862	id => "party",
		2863	title => "Party",
		2864	reply => "gsay ",
		2865	tooltip => "Messages and chat related to your party",
		2866	},
		2867	);
		2868
		2869	sub cf::client::send_msg {
		2870	my ($self, $channel, $msg, $color, @extra) = @_;
		2871
		2872	$msg = $self->pl->expand_cfpod ($msg);
		2873
		2874	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2875
		2876	# check predefined channels, for the benefit of C
		2877	if ($CHANNEL{$channel}) {
		2878	$channel = $CHANNEL{$channel};
		2879
		2880	$self->ext_msg (channel_info => $channel)
		2881	if $self->can_msg;
		2882
		2883	$channel = $channel->{id};
		2884
		2885	} elsif (ref $channel) {
		2886	# send meta info to client, if not yet sent
		2887	unless (exists $self->{channel}{$channel->{id}}) {
		2888	$self->{channel}{$channel->{id}} = $channel;
		2889	$self->ext_msg (channel_info => $channel)
		2890	if $self->can_msg;
		2891	}
		2892
		2893	$channel = $channel->{id};
		2894	}
		2895
		2896	return unless @extra || length $msg;
		2897
		2898	if ($self->can_msg) {
		2899	# default colour, mask it out
		2900	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2901	if $color & cf::NDI_DEF;
		2902
		2903	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2904	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2905	} else {
		2906	if ($color >= 0) {
		2907	# replace some tags by gcfclient-compatible ones
		2908	for ($msg) {
		2909	1 while
		2910	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2911	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2912	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2913	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2914	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2915	}
		2916
		2917	$color &= cf::NDI_COLOR_MASK;
		2918
		2919	utf8::encode $msg;
		2920
		2921	if (0 && $msg =~ /\[/) {
		2922	# COMMAND/INFO
		2923	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2924	} else {
		2925	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2926	$self->send_packet ("drawinfo $color $msg")
		2927	}
		2928	}
		2929	}
		2930	}
		2931
		2932	=item $client->ext_msg ($type, @msg)
		2933
		2934	Sends an ext event to the client.
		2935
		2936	=cut
		2937
		2938	sub cf::client::ext_msg($$@) {
		2939	my ($self, $type, @msg) = @_;
		2940
		2941	if ($self->extcmd == 2) {
		2942	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2943	} elsif ($self->extcmd == 1) { # TODO: remove
		2944	push @msg, msgtype => "event_$type";
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2946	}
		2947	}
		2948
		2949	=item $client->ext_reply ($msgid, @msg)
		2950
		2951	Sends an ext reply to the client.
		2952
		2953	=cut
		2954
		2955	sub cf::client::ext_reply($$@) {
		2956	my ($self, $id, @msg) = @_;
		2957
		2958	if ($self->extcmd == 2) {
		2959	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2960	} elsif ($self->extcmd == 1) {
		2961	#TODO: version 1, remove
		2962	unshift @msg, msgtype => "reply", msgid => $id;
		2963	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2964	}
		2965	}
1945		2966
1946	=item $success = $client->query ($flags, "text", \&cb)	2967	=item $success = $client->query ($flags, "text", \&cb)
1947		2968
1948	Queues a query to the client, calling the given callback with	2969	Queues a query to the client, calling the given callback with
1949	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2970	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1950	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2971	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1951		2972
1952	Queries can fail, so check the return code. Or don't, as queries will become	2973	Queries can fail, so check the return code. Or don't, as queries will
1953	reliable at some point in the future.	2974	become reliable at some point in the future.
1954		2975
1955	=cut	2976	=cut
1956		2977
1957	sub cf::client::query {	2978	sub cf::client::query {
1958	my ($self, $flags, $text, $cb) = @_;	2979	my ($self, $flags, $text, $cb) = @_;
…		…
1966	utf8::encode $text;	2987	utf8::encode $text;
1967	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2988	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1968		2989
1969	$self->send_packet ($self->{query_queue}[0][0])	2990	$self->send_packet ($self->{query_queue}[0][0])
1970	if @{ $self->{query_queue} } == 1;	2991	if @{ $self->{query_queue} } == 1;
		2992
		2993	1
1971	}	2994	}
1972		2995
1973	cf::client->attach (	2996	cf::client->attach (
		2997	on_connect => sub {
		2998	my ($ns) = @_;
		2999
		3000	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3001	},
1974	on_reply => sub {	3002	on_reply => sub {
1975	my ($ns, $msg) = @_;	3003	my ($ns, $msg) = @_;
1976		3004
1977	# this weird shuffling is so that direct followup queries	3005	# this weird shuffling is so that direct followup queries
1978	# get handled first	3006	# get handled first
1979	my $queue = delete $ns->{query_queue}	3007	my $queue = delete $ns->{query_queue}
1980	or return; # be conservative, not sure how that can happen, but we saw a crash here	3008	or return; # be conservative, not sure how that can happen, but we saw a crash here
1981		3009
1982	(shift @$queue)->[1]->($msg);	3010	(shift @$queue)->[1]->($msg);
		3011	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1983		3012
1984	push @{ $ns->{query_queue} }, @$queue;	3013	push @{ $ns->{query_queue} }, @$queue;
1985		3014
1986	if (@{ $ns->{query_queue} } == @$queue) {	3015	if (@{ $ns->{query_queue} } == @$queue) {
1987	if (@$queue) {	3016	if (@$queue) {
…		…
1989	} else {	3018	} else {
1990	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3019	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1991	}	3020	}
1992	}	3021	}
1993	},	3022	},
		3023	on_exticmd => sub {
		3024	my ($ns, $buf) = @_;
		3025
		3026	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3027
		3028	if (ref $msg) {
		3029	my ($type, $reply, @payload) =
		3030	"ARRAY" eq ref $msg
		3031	? @$msg
		3032	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3033
		3034	my @reply;
		3035
		3036	if (my $cb = $EXTICMD{$type}) {
		3037	@reply = $cb->($ns, @payload);
		3038	}
		3039
		3040	$ns->ext_reply ($reply, @reply)
		3041	if $reply;
		3042
		3043	} else {
		3044	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3045	}
		3046
		3047	cf::override;
		3048	},
1994	);	3049	);
1995		3050
1996	=item $client->async (\&cb)	3051	=item $client->async (\&cb)
1997		3052
1998	Create a new coroutine, running the specified callback. The coroutine will	3053	Create a new coroutine, running the specified callback. The coroutine will
…		…
2039	our $safe = new Safe "safe";	3094	our $safe = new Safe "safe";
2040	our $safe_hole = new Safe::Hole;	3095	our $safe_hole = new Safe::Hole;
2041		3096
2042	$SIG{FPE} = 'IGNORE';	3097	$SIG{FPE} = 'IGNORE';
2043		3098
2044	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3099	$safe->permit_only (Opcode::opset qw(
		3100	:base_core :base_mem :base_orig :base_math
		3101	grepstart grepwhile mapstart mapwhile
		3102	sort time
		3103	));
2045		3104
2046	# here we export the classes and methods available to script code	3105	# here we export the classes and methods available to script code
2047		3106
2048	=pod	3107	=pod
2049		3108
2050	The following fucntions and emthods are available within a safe environment:	3109	The following functions and methods are available within a safe environment:
2051		3110
2052	cf::object contr pay_amount pay_player map	3111	cf::object
		3112	contr pay_amount pay_player map x y force_find force_add destroy
		3113	insert remove name archname title slaying race decrease split
		3114
2053	cf::object::player player	3115	cf::object::player
2054	cf::player peaceful	3116	player
2055	cf::map trigger	3117
		3118	cf::player
		3119	peaceful
		3120
		3121	cf::map
		3122	trigger
2056		3123
2057	=cut	3124	=cut
2058		3125
2059	for (	3126	for (
2060	["cf::object" => qw(contr pay_amount pay_player map)],	3127	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3128	insert remove inv nrof name archname title slaying race
		3129	decrease split destroy)],
2061	["cf::object::player" => qw(player)],	3130	["cf::object::player" => qw(player)],
2062	["cf::player" => qw(peaceful)],	3131	["cf::player" => qw(peaceful)],
2063	["cf::map" => qw(trigger)],	3132	["cf::map" => qw(trigger)],
2064	) {	3133	) {
2065	no strict 'refs';	3134	no strict 'refs';
…		…
2136	=back	3205	=back
2137		3206
2138	=cut	3207	=cut
2139		3208
2140	#############################################################################	3209	#############################################################################
		3210	# the server's init and main functions
2141		3211
2142	=head2 EXTENSION DATABASE SUPPORT	3212	sub load_facedata($) {
		3213	my ($path) = @_;
2143		3214
2144	Crossfire maintains a very simple database for extension use. It can	3215	# HACK to clear player env face cache, we need some signal framework
2145	currently store anything that can be serialised using Storable, which	3216	# for this (global event?)
2146	excludes objects.	3217	%ext::player_env::MUSIC_FACE_CACHE = ();
2147		3218
2148	The parameter C<$family> should best start with the name of the extension	3219	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2149	using it, it should be unique.
2150		3220
2151	=over 4	3221	warn "loading facedata from $path\n";
2152		3222
2153	=item $hashref = cf::db_get $family	3223	my $facedata;
		3224	0 < aio_load $path, $facedata
		3225	or die "$path: $!";
2154		3226
2155	Return a hashref for use by the extension C<$family>, which can be	3227	$facedata = Coro::Storable::thaw $facedata;
2156	modified. After modifications, you have to call C<cf::db_dirty> or
2157	C<cf::db_sync>.
2158		3228
2159	=item $value = cf::db_get $family => $key	3229	$facedata->{version} == 2
		3230	or cf::cleanup "$path: version mismatch, cannot proceed.";
2160		3231
2161	Returns a single value from the database	3232	# patch in the exptable
2162		3233	$facedata->{resource}{"res/exp_table"} = {
2163	=item cf::db_put $family => $hashref	3234	type => FT_RSRC,
2164		3235	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2165	Stores the given family hashref into the database. Updates are delayed, if
2166	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2167
2168	=item cf::db_put $family => $key => $value
2169
2170	Stores the given C<$value> in the family hash. Updates are delayed, if you
2171	want the data to be synced to disk immediately, use C<cf::db_sync>.
2172
2173	=item cf::db_dirty
2174
2175	Marks the database as dirty, to be updated at a later time.
2176
2177	=item cf::db_sync
2178
2179	Immediately write the database to disk I<if it is dirty>.
2180
2181	=cut
2182
2183	our $DB;
2184
2185	{
2186	my $path = cf::localdir . "/database.pst";
2187
2188	sub db_load() {
2189	$DB = stat $path ? Storable::retrieve $path : { };
2190	}	3236	};
		3237	cf::cede_to_tick;
2191		3238
2192	my $pid;
2193
2194	sub db_save() {
2195	waitpid $pid, 0 if $pid;
2196	if (0 == ($pid = fork)) {
2197	$DB->{_meta}{version} = 1;
2198	Storable::nstore $DB, "$path~";
2199	rename "$path~", $path;
2200	cf::_exit 0 if defined $pid;
2201	}
2202	}	3239	{
		3240	my $faces = $facedata->{faceinfo};
2203		3241
2204	my $dirty;	3242	while (my ($face, $info) = each %$faces) {
		3243	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205		3244
2206	sub db_sync() {	3245	cf::face::set_visibility $idx, $info->{visibility};
2207	db_save if $dirty;	3246	cf::face::set_magicmap $idx, $info->{magicmap};
2208	undef $dirty;	3247	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2209	}	3248	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2210		3249
2211	my $idle = Event->idle (	3250	cf::cede_to_tick;
2212	reentrant => 0,
2213	min => 10,
2214	max => 20,
2215	repeat => 0,
2216	data => WF_AUTOCANCEL,
2217	cb => \&db_sync,
2218	);
2219
2220	sub db_dirty() {
2221	$dirty = 1;
2222	$idle->start;
2223	}
2224
2225	sub db_get($;$) {
2226	@_ >= 2
2227	? $DB->{$_[0]}{$_[1]}
2228	: ($DB->{$_[0]} ||= { })
2229	}
2230
2231	sub db_put($$;$) {
2232	if (@_ >= 3) {
2233	$DB->{$_[0]}{$_[1]} = $_[2];
2234	} else {
2235	$DB->{$_[0]} = $_[1];
2236	}
2237	db_dirty;
2238	}
2239
2240	cf::global->attach (
2241	prio => 10000,
2242	on_cleanup => sub {
2243	db_sync;
2244	},	3251	}
2245	);
2246	}
2247		3252
2248	#############################################################################	3253	while (my ($face, $info) = each %$faces) {
2249	# the server's main()	3254	next unless $info->{smooth};
2250		3255
2251	sub cfg_load {	3256	my $idx = cf::face::find $face
		3257	or next;
		3258
		3259	if (my $smooth = cf::face::find $info->{smooth}) {
		3260	cf::face::set_smooth $idx, $smooth;
		3261	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3262	} else {
		3263	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3264	}
		3265
		3266	cf::cede_to_tick;
		3267	}
		3268	}
		3269
		3270	{
		3271	my $anims = $facedata->{animinfo};
		3272
		3273	while (my ($anim, $info) = each %$anims) {
		3274	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3275	cf::cede_to_tick;
		3276	}
		3277
		3278	cf::anim::invalidate_all; # d'oh
		3279	}
		3280
		3281	{
		3282	# TODO: for gcfclient pleasure, we should give resources
		3283	# that gcfclient doesn't grok a >10000 face index.
		3284	my $res = $facedata->{resource};
		3285
		3286	while (my ($name, $info) = each %$res) {
		3287	if (defined $info->{type}) {
		3288	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3289	my $data;
		3290
		3291	if ($info->{type} & 1) {
		3292	# prepend meta info
		3293
		3294	my $meta = $enc->encode ({
		3295	name => $name,
		3296	%{ $info->{meta} || {} },
		3297	});
		3298
		3299	$data = pack "(w/a*)*", $meta, $info->{data};
		3300	} else {
		3301	$data = $info->{data};
		3302	}
		3303
		3304	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3305	cf::face::set_type $idx, $info->{type};
		3306	} else {
		3307	$RESOURCE{$name} = $info;
		3308	}
		3309
		3310	cf::cede_to_tick;
		3311	}
		3312	}
		3313
		3314	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3315
		3316	1
		3317	}
		3318
		3319	cf::global->attach (on_resource_update => sub {
		3320	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3321	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3322
		3323	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3324	my $sound = $soundconf->{compat}[$_]
		3325	or next;
		3326
		3327	my $face = cf::face::find "sound/$sound->[1]";
		3328	cf::sound::set $sound->[0] => $face;
		3329	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3330	}
		3331
		3332	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3333	my $face = cf::face::find "sound/$v";
		3334	cf::sound::set $k => $face;
		3335	}
		3336	}
		3337	});
		3338
		3339	register_exticmd fx_want => sub {
		3340	my ($ns, $want) = @_;
		3341
		3342	while (my ($k, $v) = each %$want) {
		3343	$ns->fx_want ($k, $v);
		3344	}
		3345	};
		3346
		3347	sub load_resource_file($) {
		3348	my $guard = lock_acquire "load_resource_file";
		3349
		3350	my $status = load_resource_file_ $_[0];
		3351	get_slot 0.1, 100;
		3352	cf::arch::commit_load;
		3353
		3354	$status
		3355	}
		3356
		3357	sub reload_regions {
		3358	# HACK to clear player env face cache, we need some signal framework
		3359	# for this (global event?)
		3360	%ext::player_env::MUSIC_FACE_CACHE = ();
		3361
		3362	load_resource_file "$MAPDIR/regions"
		3363	or die "unable to load regions file\n";
		3364
		3365	for (cf::region::list) {
		3366	$_->{match} = qr/$_->{match}/
		3367	if exists $_->{match};
		3368	}
		3369	}
		3370
		3371	sub reload_facedata {
		3372	load_facedata "$DATADIR/facedata"
		3373	or die "unable to load facedata\n";
		3374	}
		3375
		3376	sub reload_archetypes {
		3377	load_resource_file "$DATADIR/archetypes"
		3378	or die "unable to load archetypes\n";
		3379	}
		3380
		3381	sub reload_treasures {
		3382	load_resource_file "$DATADIR/treasures"
		3383	or die "unable to load treasurelists\n";
		3384	}
		3385
		3386	sub reload_resources {
		3387	warn "reloading resource files...\n";
		3388
		3389	reload_facedata;
		3390	reload_archetypes;
		3391	reload_regions;
		3392	reload_treasures;
		3393
		3394	warn "finished reloading resource files\n";
		3395	}
		3396
		3397	sub init {
		3398	my $guard = freeze_mainloop;
		3399
		3400	reload_resources;
		3401	}
		3402
		3403	sub reload_config {
2252	open my $fh, "<:utf8", cf::confdir . "/config"	3404	open my $fh, "<:utf8", "$CONFDIR/config"
2253	or return;	3405	or return;
2254		3406
2255	local $/;	3407	local $/;
2256	*CFG = YAML::Syck::Load <$fh>;	3408	*CFG = YAML::Load <$fh>;
2257		3409
2258	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3410	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2259		3411
2260	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3412	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2261	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3413	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2272	sub main {	3424	sub main {
2273	# we must not ever block the main coroutine	3425	# we must not ever block the main coroutine
2274	local $Coro::idle = sub {	3426	local $Coro::idle = sub {
2275	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3427	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2276	(async {	3428	(async {
2277	Event::one_event;	3429	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3430	EV::loop EV::LOOP_ONESHOT;
2278	})->prio (Coro::PRIO_MAX);	3431	})->prio (Coro::PRIO_MAX);
2279	};	3432	};
2280		3433
2281	cfg_load;	3434	{
2282	db_load;	3435	my $guard = freeze_mainloop;
		3436	reload_config;
		3437	db_init;
2283	load_extensions;	3438	load_extensions;
2284		3439
2285	$TICK_WATCHER->start;	3440	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3441	evthread_start IO::AIO::poll_fileno;
		3442	}
		3443
2286	Event::loop;	3444	EV::loop;
2287	}	3445	}
2288		3446
2289	#############################################################################	3447	#############################################################################
2290	# initialisation and cleanup	3448	# initialisation and cleanup
2291		3449
2292	# install some emergency cleanup handlers	3450	# install some emergency cleanup handlers
2293	BEGIN {	3451	BEGIN {
		3452	our %SIGWATCHER = ();
2294	for my $signal (qw(INT HUP TERM)) {	3453	for my $signal (qw(INT HUP TERM)) {
2295	Event->signal (	3454	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2296	reentrant => 0,
2297	data => WF_AUTOCANCEL,
2298	signal => $signal,
2299	prio => 0,
2300	cb => sub {
2301	cf::cleanup "SIG$signal";	3455	cf::cleanup "SIG$signal";
2302	},
2303	);	3456	};
		3457	}
		3458	}
		3459
		3460	sub write_runtime_sync {
		3461	my $runtime = "$LOCALDIR/runtime";
		3462
		3463	# first touch the runtime file to show we are still running:
		3464	# the fsync below can take a very very long time.
		3465
		3466	IO::AIO::aio_utime $runtime, undef, undef;
		3467
		3468	my $guard = cf::lock_acquire "write_runtime";
		3469
		3470	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3471	or return;
		3472
		3473	my $value = $cf::RUNTIME + 90 + 10;
		3474	# 10 is the runtime save interval, for a monotonic clock
		3475	# 60 allows for the watchdog to kill the server.
		3476
		3477	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3478	and return;
		3479
		3480	# always fsync - this file is important
		3481	aio_fsync $fh
		3482	and return;
		3483
		3484	# touch it again to show we are up-to-date
		3485	aio_utime $fh, undef, undef;
		3486
		3487	close $fh
		3488	or return;
		3489
		3490	aio_rename "$runtime~", $runtime
		3491	and return;
		3492
		3493	warn "runtime file written.\n";
		3494
2304	}	3495	1
		3496	}
		3497
		3498	our $uuid_lock;
		3499	our $uuid_skip;
		3500
		3501	sub write_uuid_sync($) {
		3502	$uuid_skip ||= $_[0];
		3503
		3504	return if $uuid_lock;
		3505	local $uuid_lock = 1;
		3506
		3507	my $uuid = "$LOCALDIR/uuid";
		3508
		3509	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3510	or return;
		3511
		3512	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3513	$uuid_skip = 0;
		3514
		3515	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3516	and return;
		3517
		3518	# always fsync - this file is important
		3519	aio_fsync $fh
		3520	and return;
		3521
		3522	close $fh
		3523	or return;
		3524
		3525	aio_rename "$uuid~", $uuid
		3526	and return;
		3527
		3528	warn "uuid file written ($value).\n";
		3529
		3530	1
		3531
		3532	}
		3533
		3534	sub write_uuid($$) {
		3535	my ($skip, $sync) = @_;
		3536
		3537	$sync ? write_uuid_sync $skip
		3538	: async { write_uuid_sync $skip };
2305	}	3539	}
2306		3540
2307	sub emergency_save() {	3541	sub emergency_save() {
2308	my $freeze_guard = cf::freeze_mainloop;	3542	my $freeze_guard = cf::freeze_mainloop;
2309		3543
…		…
2315	# and maps saved/destroyed asynchronously.	3549	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	3550	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	3551	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	3552	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	3553	$pl->valid or next;
		3554	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2320	$pl->save;	3555	$pl->save;
2321	}	3556	}
2322	warn "end emergency player save\n";	3557	warn "end emergency player save\n";
2323		3558
2324	warn "begin emergency map save\n";	3559	warn "begin emergency map save\n";
…		…
2326	my $map = $cf::MAP{$path} or next;	3561	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	3562	$map->valid or next;
2328	$map->save;	3563	$map->save;
2329	}	3564	}
2330	warn "end emergency map save\n";	3565	warn "end emergency map save\n";
		3566
		3567	warn "begin emergency database checkpoint\n";
		3568	BDB::db_env_txn_checkpoint $DB_ENV;
		3569	warn "end emergency database checkpoint\n";
		3570
		3571	warn "begin write uuid\n";
		3572	write_uuid_sync 1;
		3573	warn "end write uuid\n";
2331	};	3574	};
2332		3575
2333	warn "leave emergency perl save\n";	3576	warn "leave emergency perl save\n";
2334	}	3577	}
2335		3578
		3579	sub post_cleanup {
		3580	my ($make_core) = @_;
		3581
		3582	warn Carp::longmess "post_cleanup backtrace"
		3583	if $make_core;
		3584	}
		3585
2336	sub reload() {	3586	sub do_reload_perl() {
2337	# can/must only be called in main	3587	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	3588	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine";	3589	warn "can only reload from main coroutine";
2340	return;	3590	return;
2341	}	3591	}
2342		3592
2343	warn "reloading...";	3593	warn "reloading...";
2344		3594
2345	warn "cancelling server ticker";	3595	warn "entering sync_job";
2346	$TICK_WATCHER->cancel;
2347		3596
		3597	cf::sync_job {
		3598	cf::write_runtime_sync; # external watchdog should not bark
2348	cf::emergency_save;	3599	cf::emergency_save;
		3600	cf::write_runtime_sync; # external watchdog should not bark
2349		3601
2350	eval {	3602	warn "syncing database to disk";
		3603	BDB::db_env_txn_checkpoint $DB_ENV;
		3604
2351	# if anything goes wrong in here, we should simply crash as we already saved	3605	# if anything goes wrong in here, we should simply crash as we already saved
2352
2353	warn "syncing database to disk";
2354	cf::db_sync;
2355
2356	warn "cancelling all WF_AUTOCANCEL watchers";
2357	for (Event::all_watchers) {
2358	$_->cancel if $_->data & WF_AUTOCANCEL;
2359	}
2360		3606
2361	warn "flushing outstanding aio requests";	3607	warn "flushing outstanding aio requests";
2362	for (;;) {	3608	for (;;) {
		3609	BDB::flush;
2363	IO::AIO::flush;	3610	IO::AIO::flush;
2364	Coro::cede;	3611	Coro::cede_notself;
2365	last unless IO::AIO::nreqs;	3612	last unless IO::AIO::nreqs || BDB::nreqs;
2366	warn "iterate...";	3613	warn "iterate...";
2367	}	3614	}
		3615
		3616	++$RELOAD;
2368		3617
2369	warn "cancelling all extension coros";	3618	warn "cancelling all extension coros";
2370	$_->cancel for values %EXT_CORO;	3619	$_->cancel for values %EXT_CORO;
2371	%EXT_CORO = ();	3620	%EXT_CORO = ();
2372		3621
2373	warn "removing commands";	3622	warn "removing commands";
2374	%COMMAND = ();	3623	%COMMAND = ();
2375		3624
2376	warn "removing ext commands";	3625	warn "removing ext/exti commands";
2377	%EXTCMD = ();	3626	%EXTCMD = ();
		3627	%EXTICMD = ();
2378		3628
2379	warn "unloading/nuking all extensions";	3629	warn "unloading/nuking all extensions";
2380	for my $pkg (@EXTS) {	3630	for my $pkg (@EXTS) {
2381	warn "... unloading $pkg";	3631	warn "... unloading $pkg";
2382		3632
…		…
2412	Symbol::delete_package "safe::$_"	3662	Symbol::delete_package "safe::$_"
2413	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2414		3664
2415	warn "unloading cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
2416	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
		3667	delete $INC{"cf/pod.pm"};
2417		3668
2418	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
2419	# and global variables created in xs	3670	# and global variables created in xs
2420	#Symbol::delete_package __PACKAGE__;	3671	#Symbol::delete_package __PACKAGE__;
2421		3672
…		…
2424	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
2425	require cf;	3676	require cf;
2426	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2427		3678
2428	warn "loading config and database again";	3679	warn "loading config and database again";
2429	cf::cfg_load;	3680	cf::reload_config;
2430	cf::db_load;
2431		3681
2432	warn "loading extensions";	3682	warn "loading extensions";
2433	cf::load_extensions;	3683	cf::load_extensions;
2434		3684
2435	warn "reattaching attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
2436	_global_reattach;	3686	_global_reattach; # objects, sockets
2437	warn "reattaching attachments to maps";	3687	warn "reattaching attachments to maps";
2438	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
		3689	warn "reattaching attachments to players";
		3690	reattach $_ for values %PLAYER;
2439		3691
2440	warn "restarting server ticker";	3692	warn "leaving sync_job";
2441		3693
2442	$TICK_WATCHER->start;	3694	1
		3695	} or do {
		3696	warn $@;
		3697	cf::cleanup "error while reloading, exiting.";
2443	};	3698	};
2444
2445	if ($@) {
2446	warn $@;
2447	warn "error while reloading, exiting.";
2448	exit 1;
2449	}
2450		3699
2451	warn "reloaded";	3700	warn "reloaded";
2452	};	3701	};
2453		3702
2454	our $RELOAD_WATCHER; # used only during reload	3703	our $RELOAD_WATCHER; # used only during reload
2455		3704
		3705	sub reload_perl() {
		3706	# doing reload synchronously and two reloads happen back-to-back,
		3707	# coro crashes during coro_state_free->destroy here.
		3708
		3709	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3710	do_reload_perl;
		3711	undef $RELOAD_WATCHER;
		3712	};
		3713	}
		3714
2456	register_command "reload" => sub {	3715	register_command "reload" => sub {
2457	my ($who, $arg) = @_;	3716	my ($who, $arg) = @_;
2458		3717
2459	if ($who->flag (FLAG_WIZ)) {	3718	if ($who->flag (FLAG_WIZ)) {
2460	$who->message ("reloading server.");	3719	$who->message ("reloading server.");
2461		3720	async {
2462	# doing reload synchronously and two reloads happen back-to-back,	3721	$Coro::current->{desc} = "perl_reload";
2463	# coro crashes during coro_state_free->destroy here.
2464
2465	$RELOAD_WATCHER ||= Event->timer (
2466	reentrant => 0,
2467	after => 0,
2468	data => WF_AUTOCANCEL,
2469	cb => sub {
2470	reload;	3722	reload_perl;
2471	undef $RELOAD_WATCHER;
2472	},
2473	);	3723	};
2474	}	3724	}
2475	};	3725	};
2476		3726
2477	unshift @INC, $LIBDIR;	3727	unshift @INC, $LIBDIR;
2478		3728
2479	my $bug_warning = 0;	3729	my $bug_warning = 0;
2480		3730
2481	$TICK_WATCHER = Event->timer (	3731	our @WAIT_FOR_TICK;
2482	reentrant => 0,	3732	our @WAIT_FOR_TICK_BEGIN;
2483	parked => 1,	3733
2484	prio => 0,	3734	sub wait_for_tick {
2485	at => $NEXT_TICK || $TICK,	3735	return if tick_inhibit || $Coro::current == $Coro::main;
2486	data => WF_AUTOCANCEL,	3736
2487	cb => sub {	3737	my $signal = new Coro::Signal;
		3738	push @WAIT_FOR_TICK, $signal;
		3739	$signal->wait;
		3740	}
		3741
		3742	sub wait_for_tick_begin {
		3743	return if tick_inhibit || $Coro::current == $Coro::main;
		3744
		3745	my $signal = new Coro::Signal;
		3746	push @WAIT_FOR_TICK_BEGIN, $signal;
		3747	$signal->wait;
		3748	}
		3749
		3750	sub tick {
2488	if ($Coro::current != $Coro::main) {	3751	if ($Coro::current != $Coro::main) {
2489	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3752	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2490	unless ++$bug_warning > 10;	3753	unless ++$bug_warning > 10;
2491	return;	3754	return;
2492	}	3755	}
2493		3756
2494	$NOW = Event::time;
2495
2496	cf::server_tick; # one server iteration	3757	cf::server_tick; # one server iteration
2497	$RUNTIME += $TICK;
2498	$NEXT_TICK += $TICK;
2499		3758
2500	$WAIT_FOR_TICK->broadcast;	3759	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2501	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3760	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2502		3761	Coro::async_pool {
2503	Event::sweep;	3762	$Coro::current->{desc} = "runtime saver";
2504	Coro::cede_notself;
2505
2506	# my $AFTER = Event::time;
2507	# warn $AFTER - $NOW;#d#
2508
2509	# if we are delayed by four ticks or more, skip them all
2510	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2511
2512	$TICK_WATCHER->at ($NEXT_TICK);
2513	$TICK_WATCHER->start;
2514	},
2515	);
2516
2517	IO::AIO::max_poll_time $TICK * 0.1;
2518
2519	undef $Coro::AIO::WATCHER;
2520	$AIO_POLL_WATCHER = Event->io (
2521	reentrant => 0,
2522	fd => IO::AIO::poll_fileno,
2523	poll => 'r',
2524	prio => 6,
2525	data => WF_AUTOCANCEL,
2526	cb => \&IO::AIO::poll_cb,
2527	);
2528
2529	$WRITE_RUNTIME_WATCHER = Event->timer (
2530	reentrant => 0,
2531	data => WF_AUTOCANCEL,
2532	after => 1,
2533	interval => 10,
2534	prio => 6, # keep it lowest so it acts like a watchdog
2535	cb => Coro::unblock_sub {
2536	write_runtime	3763	write_runtime_sync
2537	or warn "ERROR: unable to write runtime file: $!";	3764	or warn "ERROR: unable to write runtime file: $!";
		3765	};
2538	},	3766	}
2539	);	3767
		3768	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3769	$sig->send;
		3770	}
		3771	while (my $sig = shift @WAIT_FOR_TICK) {
		3772	$sig->send;
		3773	}
		3774
		3775	$LOAD = ($NOW - $TICK_START) / $TICK;
		3776	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3777
		3778	if (0) {
		3779	if ($NEXT_TICK) {
		3780	my $jitter = $TICK_START - $NEXT_TICK;
		3781	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3782	warn "jitter $JITTER\n";#d#
		3783	}
		3784	}
		3785	}
		3786
		3787	{
		3788	# configure BDB
		3789
		3790	BDB::min_parallel 8;
		3791	BDB::max_poll_reqs $TICK * 0.1;
		3792	$Coro::BDB::WATCHER->priority (1);
		3793
		3794	unless ($DB_ENV) {
		3795	$DB_ENV = BDB::db_env_create;
		3796	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3797	| BDB::LOG_AUTOREMOVE, 1);
		3798	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3799	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3800
		3801	cf::sync_job {
		3802	eval {
		3803	BDB::db_env_open
		3804	$DB_ENV,
		3805	$BDBDIR,
		3806	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3807	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3808	0666;
		3809
		3810	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3811	};
		3812
		3813	cf::cleanup "db_env_open(db): $@" if $@;
		3814	};
		3815	}
		3816
		3817	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3818	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3819	};
		3820	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3821	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3822	};
		3823	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3824	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3825	};
		3826	}
		3827
		3828	{
		3829	# configure IO::AIO
		3830
		3831	IO::AIO::min_parallel 8;
		3832	IO::AIO::max_poll_time $TICK * 0.1;
		3833	$Coro::AIO::WATCHER->priority (1);
		3834	}
		3835
		3836	my $_log_backtrace;
		3837
		3838	sub _log_backtrace {
		3839	my ($msg, @addr) = @_;
		3840
		3841	$msg =~ s/\n//;
		3842
		3843	# limit the # of concurrent backtraces
		3844	if ($_log_backtrace < 2) {
		3845	++$_log_backtrace;
		3846	async {
		3847	$Coro::current->{desc} = "abt $msg";
		3848
		3849	my @bt = fork_call {
		3850	@addr = map { sprintf "%x", $_ } @addr;
		3851	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3852	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3853	or die "addr2line: $!";
		3854
		3855	my @funcs;
		3856	my @res = <$fh>;
		3857	chomp for @res;
		3858	while (@res) {
		3859	my ($func, $line) = splice @res, 0, 2, ();
		3860	push @funcs, "[$func] $line";
		3861	}
		3862
		3863	@funcs
		3864	};
		3865
		3866	LOG llevInfo, "[ABT] $msg\n";
		3867	LOG llevInfo, "[ABT] $_\n" for @bt;
		3868	--$_log_backtrace;
		3869	};
		3870	} else {
		3871	LOG llevInfo, "[ABT] $msg\n";
		3872	LOG llevInfo, "[ABT] [suppressed]\n";
		3873	}
		3874	}
		3875
		3876	# load additional modules
		3877	use cf::pod;
2540		3878
2541	END { cf::emergency_save }	3879	END { cf::emergency_save }
2542		3880
2543	1	3881	1
2544		3882

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