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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.175 by root, Sun Jan 14 21:20:51 2007 UTC vs.
Revision 1.412 by root, Wed Apr 2 11:13:55 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 1.86;
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 4.32 ();
		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	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
271	}	441	}
272		442
273	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
274		444
275	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		450
281	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
282		452
283	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
284		454
285	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
288		459
289	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
292	fast or be very important.	463	fast or be very important.
…		…
295		466
296	sub sync_job(&) {	467	sub sync_job(&) {
297	my ($job) = @_;	468	my ($job) = @_;
298		469
299	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
300	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
302		475
303	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	477
305	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
306		479
307	my $busy = 1;	480	my $busy = 1;
308	my @res;	481	my @res;
309		482
310	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	485	@res = eval { $job->() };
312	warn $@ if $@;	486	warn $@ if $@;
313	undef $busy;	487	undef $busy;
314	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
315		489
316	while ($busy) {	490	while ($busy) {
317	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
318	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
319		501
320	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
321	} else {	503	} else {
322	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
323		505
…		…
343	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
344		526
345	$coro	527	$coro
346	}	528	}
347		529
348	sub write_runtime {	530	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		531
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	532	Executes the given code block with the given arguments in a seperate
352	or return;	533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
353		536
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	537	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		538
358	aio_fsync $fh	539	sub fork_call(&@) {
359	and return;	540	my ($cb, @args) = @_;
360		541
361	close $fh	542	# we seemingly have to make a local copy of the whole thing,
362	or return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
363		545
364	aio_rename "$runtime~", $runtime	546	my @res = Coro::Util::fork_eval {
365	and return;	547	reset_signals;
		548	&$cb
		549	}, @args;
366		550
		551	wantarray ? @res : $res[-1]
		552	}
		553
		554	=item $value = cf::db_get $family => $key
		555
		556	Returns a single value from the environment database.
		557
		558	=item cf::db_put $family => $key => $value
		559
		560	Stores the given C<$value> in the family. It can currently store binary
		561	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		562
		563	=item $db = cf::db_table "name"
		564
		565	Create and/or open a new database table. The string must not be "db" and must be unique
		566	within each server.
		567
		568	=cut
		569
		570	sub db_table($) {
		571	my ($name) = @_;
		572	my $db = BDB::db_create $DB_ENV;
		573
		574	eval {
		575	$db->set_flags (BDB::CHKSUM);
		576
		577	utf8::encode $name;
		578	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		579	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		580	cf::cleanup "db_open(db): $!" if $!;
		581	};
		582	cf::cleanup "db_open(db): $@" if $@;
		583
		584	$db
		585	}
		586
		587	our $DB;
		588
		589	sub db_init {
		590	cf::sync_job {
		591	$DB ||= db_table "db";
		592	};
		593	}
		594
		595	sub db_get($$) {
		596	my $key = "$_[0]/$_[1]";
		597
		598	cf::sync_job {
		599	BDB::db_get $DB, undef, $key, my $data;
		600
		601	$! ? ()
		602	: $data
367	1	603	}
		604	}
		605
		606	sub db_put($$$) {
		607	BDB::dbreq_pri 4;
		608	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		609	}
		610
		611	=item cf::cache $id => [$paths...], $processversion => $process
		612
		613	Generic caching function that returns the value of the resource $id,
		614	caching and regenerating as required.
		615
		616	This function can block.
		617
		618	=cut
		619
		620	sub cache {
		621	my ($id, $src, $processversion, $process) = @_;
		622
		623	my $meta =
		624	join "\x00",
		625	$processversion,
		626	map {
		627	aio_stat $_
		628	and Carp::croak "$_: $!";
		629
		630	($_, (stat _)[7,9])
		631	} @$src;
		632
		633	my $dbmeta = db_get cache => "$id/meta";
		634	if ($dbmeta ne $meta) {
		635	# changed, we may need to process
		636
		637	my @data;
		638	my $md5;
		639
		640	for (0 .. $#$src) {
		641	0 <= aio_load $src->[$_], $data[$_]
		642	or Carp::croak "$src->[$_]: $!";
		643	}
		644
		645	# if processing is expensive, check
		646	# checksum first
		647	if (1) {
		648	$md5 =
		649	join "\x00",
		650	$processversion,
		651	map {
		652	cf::cede_to_tick;
		653	($src->[$_], Digest::MD5::md5_hex $data[$_])
		654	} 0.. $#$src;
		655
		656
		657	my $dbmd5 = db_get cache => "$id/md5";
		658	if ($dbmd5 eq $md5) {
		659	db_put cache => "$id/meta", $meta;
		660
		661	return db_get cache => "$id/data";
		662	}
		663	}
		664
		665	my $t1 = Time::HiRes::time;
		666	my $data = $process->(\@data);
		667	my $t2 = Time::HiRes::time;
		668
		669	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		670
		671	db_put cache => "$id/data", $data;
		672	db_put cache => "$id/md5" , $md5;
		673	db_put cache => "$id/meta", $meta;
		674
		675	return $data;
		676	}
		677
		678	db_get cache => "$id/data"
		679	}
		680
		681	=item cf::datalog type => key => value, ...
		682
		683	Log a datalog packet of the given type with the given key-value pairs.
		684
		685	=cut
		686
		687	sub datalog($@) {
		688	my ($type, %kv) = @_;
		689	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	690	}
369		691
370	=back	692	=back
371		693
372	=cut	694	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	701	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	702	to it. All such attachable objects support the following methods.
381		703
382	In the following description, CLASS can be any of C<global>, C<object>	704	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	705	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	706	Deliantra).
385		707
386	=over 4	708	=over 4
387		709
388	=item $attachable->attach ($attachment, key => $value...)	710	=item $attachable->attach ($attachment, key => $value...)
389		711
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	874	$registry = $CB_TYPE[$object_type] ||= [];
553		875
554	} elsif ($type eq "subtype") {	876	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	877	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	878	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	879	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		880
559	} elsif ($type eq "package") {	881	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	882	my $pkg = shift @arg;
561		883
562	while (my ($name, $id) = each %cb_id) {	884	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	913	_attach $registry, $klass, @attach;
592	}	914	}
593		915
594	$obj->{$name} = \%arg;	916	$obj->{$name} = \%arg;
595	} else {	917	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	918	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	919	}
598		920
599	$obj->{_attachment}{$name} = undef;	921	$obj->{_attachment}{$name} = undef;
600	}	922	}
601		923
…		…
603	if (ref $_[0]) {	925	if (ref $_[0]) {
604	_object_attach @_;	926	_object_attach @_;
605	} else {	927	} else {
606	_attach shift->_attach_registry, @_;	928	_attach shift->_attach_registry, @_;
607	}	929	}
		930	_recalc_want;
608	};	931	};
609		932
610	# all those should be optimised	933	# all those should be optimised
611	sub cf::attachable::detach {	934	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	938	delete $obj->{_attachment}{$name};
616	reattach ($obj);	939	reattach ($obj);
617	} else {	940	} else {
618	Carp::croak "cannot, currently, detach class attachments";	941	Carp::croak "cannot, currently, detach class attachments";
619	}	942	}
		943	_recalc_want;
620	};	944	};
621		945
622	sub cf::attachable::attached {	946	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	947	my ($obj, $name) = @_;
624		948
…		…
639	";	963	";
640	die if $@;	964	die if $@;
641	}	965	}
642		966
643	our $override;	967	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	968	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		969
646	sub override {	970	sub override {
647	$override = 1;	971	$override = 1;
648	@invoke_results = ();	972	@INVOKE_RESULTS = (@_);
649	}	973	}
650		974
651	sub do_invoke {	975	sub do_invoke {
652	my $event = shift;	976	my $event = shift;
653	my $callbacks = shift;	977	my $callbacks = shift;
654		978
655	@invoke_results = ();	979	@INVOKE_RESULTS = ();
656		980
657	local $override;	981	local $override;
658		982
659	for (@$callbacks) {	983	for (@$callbacks) {
660	eval { &{$_->[1]} };	984	eval { &{$_->[1]} };
…		…
669	}	993	}
670		994
671	0	995	0
672	}	996	}
673		997
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	998	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		999
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1000	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1001
678	Generate an object-specific event with the given arguments.	1002	Generate an object-specific event with the given arguments.
679		1003
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1004	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	1005	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	1006	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1007
684	=back	1008	=back
685		1009
686	=cut	1010	=cut
687		1011
688	#############################################################################	1012	#############################################################################
689	# object support	1013	# object support
		1014
		1015	sub _object_equal($$);
		1016	sub _object_equal($$) {
		1017	my ($a, $b) = @_;
		1018
		1019	return 0 unless (ref $a) eq (ref $b);
		1020
		1021	if ("HASH" eq ref $a) {
		1022	my @ka = keys %$a;
		1023	my @kb = keys %$b;
		1024
		1025	return 0 if @ka != @kb;
		1026
		1027	for (0 .. $#ka) {
		1028	return 0 unless $ka[$_] eq $kb[$_];
		1029	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1030	}
		1031
		1032	} elsif ("ARRAY" eq ref $a) {
		1033
		1034	return 0 if @$a != @$b;
		1035
		1036	for (0 .. $#$a) {
		1037	return 0 unless _object_equal $a->[$_], $b->[$_];
		1038	}
		1039
		1040	} elsif ($a ne $b) {
		1041	return 0;
		1042	}
		1043
		1044	1
		1045	}
		1046
		1047	our $SLOW_MERGES;#d#
		1048	sub _can_merge {
		1049	my ($ob1, $ob2) = @_;
		1050
		1051	++$SLOW_MERGES;#d#
		1052
		1053	# we do the slow way here
		1054	return _object_equal $ob1, $ob2
		1055	}
690		1056
691	sub reattach {	1057	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1058	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1059	my ($obj) = @_;
694		1060
…		…
715	cf::attachable->attach (	1081	cf::attachable->attach (
716	prio => -1000000,	1082	prio => -1000000,
717	on_instantiate => sub {	1083	on_instantiate => sub {
718	my ($obj, $data) = @_;	1084	my ($obj, $data) = @_;
719		1085
720	$data = from_json $data;	1086	$data = decode_json $data;
721		1087
722	for (@$data) {	1088	for (@$data) {
723	my ($name, $args) = @$_;	1089	my ($name, $args) = @$_;
724		1090
725	$obj->attach ($name, %{$args || {} });	1091	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1107	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1108	my ($filename, $rdata, $objs) = @_;
743		1109
744	sync_job {	1110	sync_job {
745	if (length $$rdata) {	1111	if (length $$rdata) {
		1112	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1113	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1114	$decname, length $$rdata, scalar @$objs;
748		1115
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1117	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1119	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1120	close $fh;
754		1121
755	if (@$objs) {	1122	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1123	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1124	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1126	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1127	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1128	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1129	aio_rename "$filename.pst~", "$filename.pst";
763	}	1130	}
764	} else {	1131	} else {
765	aio_unlink "$filename.pst";	1132	aio_unlink "$filename.pst";
…		…
771	}	1138	}
772	} else {	1139	} else {
773	aio_unlink $filename;	1140	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1141	aio_unlink "$filename.pst";
775	}	1142	}
776	}	1143	};
777	}	1144	}
778		1145
779	sub object_freezer_as_string {	1146	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1147	my ($rdata, $objs) = @_;
781		1148
…		…
793	or return;	1160	or return;
794		1161
795	unless (aio_stat "$filename.pst") {	1162	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1163	(aio_load "$filename.pst", $av) >= 0
797	or return;	1164	or return;
		1165
798	$av = eval { (Storable::thaw $av)->{objs} };	1166	my $st = eval { Coro::Storable::thaw $av };
		1167	$av = $st->{objs};
799	}	1168	}
800		1169
		1170	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1171	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1172	$decname, length $data, scalar @{$av || []};
		1173
803	return ($data, $av);	1174	($data, $av)
804	}	1175	}
		1176
		1177	=head2 COMMAND CALLBACKS
		1178
		1179	=over 4
		1180
		1181	=cut
805		1182
806	#############################################################################	1183	#############################################################################
807	# command handling &c	1184	# command handling &c
808		1185
809	=item cf::register_command $name => \&callback($ob,$args);	1186	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1199	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1200	}
824		1201
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1202	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1203
827	Register a callbackf ro execution when the client sends an extcmd packet.	1204	Register a callback for execution when the client sends an (synchronous)
		1205	extcmd packet. Ext commands will be processed in the order they are
		1206	received by the server, like other user commands. The first argument is
		1207	the logged-in player. Ext commands can only be processed after a player
		1208	has logged in successfully.
828		1209
829	If the callback returns something, it is sent back as if reply was being	1210	If the callback returns something, it is sent back as if reply was being
830	called.	1211	called.
831		1212
		1213	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1214
		1215	Register a callback for execution when the client sends an (asynchronous)
		1216	exticmd packet. Exti commands are processed by the server as soon as they
		1217	are received, i.e. out of order w.r.t. other commands. The first argument
		1218	is a client socket. Exti commands can be received anytime, even before
		1219	log-in.
		1220
		1221	If the callback returns something, it is sent back as if reply was being
		1222	called.
		1223
832	=cut	1224	=cut
833		1225
834	sub register_extcmd {	1226	sub register_extcmd {
835	my ($name, $cb) = @_;	1227	my ($name, $cb) = @_;
836		1228
837	$EXTCMD{$name} = $cb;	1229	$EXTCMD{$name} = $cb;
		1230	}
		1231
		1232	sub register_exticmd {
		1233	my ($name, $cb) = @_;
		1234
		1235	$EXTICMD{$name} = $cb;
838	}	1236	}
839		1237
840	cf::player->attach (	1238	cf::player->attach (
841	on_command => sub {	1239	on_command => sub {
842	my ($pl, $name, $params) = @_;	1240	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1249	cf::override;
852	},	1250	},
853	on_extcmd => sub {	1251	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1252	my ($pl, $buf) = @_;
855		1253
856	my $msg = eval { from_json $buf };	1254	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1255
858	if (ref $msg) {	1256	if (ref $msg) {
		1257	my ($type, $reply, @payload) =
		1258	"ARRAY" eq ref $msg
		1259	? @$msg
		1260	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1261
		1262	my @reply;
		1263
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1264	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1265	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1266	}
		1267
		1268	$pl->ext_reply ($reply, @reply)
		1269	if $reply;
		1270
864	} else {	1271	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1272	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1273	}
867		1274
868	cf::override;	1275	cf::override;
869	},	1276	},
870	);	1277	);
871		1278
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1279	sub load_extensions {
		1280	cf::sync_job {
		1281	my %todo;
		1282
907	for my $ext (<$LIBDIR/*.ext>) {	1283	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1284	next unless -r $path;
909	eval {	1285
910	load_extension $ext;	1286	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1287	my $base = $1;
		1288	my $pkg = $1;
		1289	$pkg =~ s/[^[:word:]]/_/g;
		1290	$pkg = "ext::$pkg";
		1291
		1292	open my $fh, "<:utf8", $path
		1293	or die "$path: $!";
		1294
		1295	my $source = do { local $/; <$fh> };
		1296
		1297	my %ext = (
		1298	path => $path,
		1299	base => $base,
		1300	pkg => $pkg,
		1301	);
		1302
		1303	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1304	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1305
		1306	$ext{source} =
		1307	"package $pkg; use strict; use utf8;\n"
		1308	. "#line 1 \"$path\"\n{\n"
		1309	. $source
		1310	. "\n};\n1";
		1311
		1312	$todo{$base} = \%ext;
		1313	}
		1314
		1315	my %done;
		1316	while (%todo) {
		1317	my $progress;
		1318
		1319	while (my ($k, $v) = each %todo) {
		1320	for (split /,\s*/, $v->{meta}{depends}) {
		1321	goto skip
		1322	unless exists $done{$_};
		1323	}
		1324
		1325	warn "... loading '$k' into '$v->{pkg}'\n";
		1326
		1327	unless (eval $v->{source}) {
		1328	my $msg = $@ ? "$v->{path}: $@\n"
		1329	: "$v->{base}: extension inactive.\n";
		1330
		1331	if (exists $v->{meta}{mandatory}) {
		1332	warn $msg;
		1333	cf::cleanup "mandatory extension failed to load, exiting.";
		1334	}
		1335
		1336	warn $msg;
		1337	}
		1338
		1339	$done{$k} = delete $todo{$k};
		1340	push @EXTS, $v->{pkg};
		1341	$progress = 1;
911	1	1342	}
912	} or warn "$ext not loaded: $@";	1343
		1344	skip:
		1345	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1346	unless $progress;
		1347	}
913	}	1348	};
914	}	1349	}
915		1350
916	#############################################################################	1351	#############################################################################
917		1352
		1353	=back
		1354
918	=head2 CORE EXTENSIONS	1355	=head2 CORE EXTENSIONS
919		1356
920	Functions and methods that extend core crossfire objects.	1357	Functions and methods that extend core crossfire objects.
921		1358
922	=cut	1359	=cut
…		…
927		1364
928	=head3 cf::player	1365	=head3 cf::player
929		1366
930	=over 4	1367	=over 4
931		1368
		1369	=item cf::player::num_playing
		1370
		1371	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1372
		1373	=cut
		1374
		1375	sub num_playing {
		1376	scalar grep
		1377	$_->ob->map
		1378	&& !$_->hidden
		1379	&& !$_->ob->flag (cf::FLAG_WIZ),
		1380	cf::player::list
		1381	}
		1382
932	=item cf::player::find $login	1383	=item cf::player::find $login
933		1384
934	Returns the given player object, loading it if necessary (might block).	1385	Returns the given player object, loading it if necessary (might block).
935		1386
936	=cut	1387	=cut
937		1388
938	sub playerdir($) {	1389	sub playerdir($) {
939	cf::localdir	1390	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1391	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1392	}
945		1393
946	sub path($) {	1394	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1395	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1396
949	(playerdir $login) . "/$login.pl"	1397	(playerdir $login) . "/playerdata"
950	}	1398	}
951		1399
952	sub find_active($) {	1400	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1401	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1402	and $cf::PLAYER{$_[0]}->active
…		…
957		1405
958	sub exists($) {	1406	sub exists($) {
959	my ($login) = @_;	1407	my ($login) = @_;
960		1408
961	$cf::PLAYER{$login}	1409	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1410	or cf::sync_job { !aio_stat path $login }
963	}	1411	}
964		1412
965	sub find($) {	1413	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1414	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1415	my $login = $_[0];
968		1416
969	my $guard = cf::lock_acquire "user_find:$login";	1417	my $guard = cf::lock_acquire "user_find:$login";
970		1418
971	$cf::PLAYER{$_[0]} || do {	1419	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1420	# rename old playerfiles to new ones
		1421	#TODO: remove when no longer required
		1422	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1423	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1424	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1425	aio_unlink +(playerdir $login) . "/$login.pl";
		1426
		1427	my $f = new_from_file cf::object::thawer path $login
973	or return;	1428	or return;
		1429
		1430	my $pl = cf::player::load_pl $f
		1431	or return;
		1432	local $cf::PLAYER_LOADING{$login} = $pl;
		1433	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1434	$cf::PLAYER{$login} = $pl
975	}	1435	}
976	}	1436	}
977	}	1437	}
978		1438
…		…
988		1448
989	aio_mkdir playerdir $pl, 0770;	1449	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1450	$pl->{last_save} = $cf::RUNTIME;
991		1451
992	$pl->save_pl ($path);	1452	$pl->save_pl ($path);
993	Coro::cede;	1453	cf::cede_to_tick;
994	}	1454	}
995		1455
996	sub new($) {	1456	sub new($) {
997	my ($login) = @_;	1457	my ($login) = @_;
998		1458
…		…
1004	$cf::PLAYER{$login} = $self;	1464	$cf::PLAYER{$login} = $self;
1005		1465
1006	$self	1466	$self
1007	}	1467	}
1008		1468
		1469	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1470
		1471	=cut
		1472
		1473	sub send_msg {
		1474	my $ns = shift->ns
		1475	or return;
		1476	$ns->send_msg (@_);
		1477	}
		1478
1009	=item $pl->quit_character	1479	=item $pl->quit_character
1010		1480
1011	Nukes the player without looking back. If logged in, the connection will	1481	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1482	be destroyed. May block for a long time.
1013		1483
1014	=cut	1484	=cut
1015		1485
1016	sub quit_character {	1486	sub quit_character {
1017	my ($pl) = @_;	1487	my ($pl) = @_;
		1488
		1489	my $name = $pl->ob->name;
1018		1490
1019	$pl->{deny_save} = 1;	1491	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1492	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1493
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1494	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1499	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1500	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1501	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1502	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1503	$pl->destroy;
		1504
		1505	my $prefix = qr<^~\Q$name\E/>;
		1506
		1507	# nuke player maps
		1508	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1509
1032	IO::AIO::aio_rmtree $temp;	1510	IO::AIO::aio_rmtree $temp;
		1511	}
		1512
		1513	=item $pl->kick
		1514
		1515	Kicks a player out of the game. This destroys the connection.
		1516
		1517	=cut
		1518
		1519	sub kick {
		1520	my ($pl, $kicker) = @_;
		1521
		1522	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1523	$pl->killer ("kicked");
		1524	$pl->ns->destroy;
1033	}	1525	}
1034		1526
1035	=item cf::player::list_logins	1527	=item cf::player::list_logins
1036		1528
1037	Returns am arrayref of all valid playernames in the system, can take a	1529	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1530	while and may block, so not sync_job-capable, ever.
1039		1531
1040	=cut	1532	=cut
1041		1533
1042	sub list_logins {	1534	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1535	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1536	or return [];
1045		1537
1046	my @logins;	1538	my @logins;
1047		1539
1048	for my $login (@$dirs) {	1540	for my $login (@$dirs) {
		1541	my $path = path $login;
		1542
		1543	# a .pst is a dead give-away for a valid player
		1544	unless (-e "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1546	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1547	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1548	}
1052		1549
1053	utf8::decode $login;	1550	utf8::decode $login;
1054	push @logins, $login;	1551	push @logins, $login;
1055	}	1552	}
1056		1553
…		…
1064		1561
1065	=cut	1562	=cut
1066		1563
1067	sub maps($) {	1564	sub maps($) {
1068	my ($pl) = @_;	1565	my ($pl) = @_;
		1566
		1567	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1568
1070	my $files = aio_readdir playerdir $pl	1569	my $files = aio_readdir playerdir $pl
1071	or return;	1570	or return;
1072		1571
1073	my @paths;	1572	my @paths;
…		…
1075	for (@$files) {	1574	for (@$files) {
1076	utf8::decode $_;	1575	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1576	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1577	next unless /^$PATH_SEP/o;
1079		1578
1080	s/\.map$//;	1579	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1580	}
1083		1581
1084	\@paths	1582	\@paths
1085	}	1583	}
1086		1584
		1585	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1586
		1587	Expand crossfire pod fragments into protocol xml.
		1588
		1589	=cut
		1590
		1591	use re 'eval';
		1592
		1593	my $group;
		1594	my $interior; $interior = qr{
		1595	# match a pod interior sequence sans C<< >>
		1596	(?:
		1597	\ (.*?)\ (?{ $group = $^N })
		1598	| < (??{$interior}) >
		1599	)
		1600	}x;
		1601
		1602	sub expand_cfpod {
		1603	my ($self, $pod) = @_;
		1604
		1605	my $xml;
		1606
		1607	while () {
		1608	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1609	$group = $1;
		1610
		1611	$group =~ s/&/&amp;/g;
		1612	$group =~ s/</&lt;/g;
		1613
		1614	$xml .= $group;
		1615	} elsif ($pod =~ m%\G
		1616	([BCGHITU])
		1617	<
		1618	(?:
		1619	([^<>]*) (?{ $group = $^N })
		1620	| < $interior >
		1621	)
		1622	>
		1623	%gcsx
		1624	) {
		1625	my ($code, $data) = ($1, $group);
		1626
		1627	if ($code eq "B") {
		1628	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1629	} elsif ($code eq "I") {
		1630	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1631	} elsif ($code eq "U") {
		1632	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1633	} elsif ($code eq "C") {
		1634	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1635	} elsif ($code eq "T") {
		1636	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1637	} elsif ($code eq "G") {
		1638	my ($male, $female) = split /\|/, $data;
		1639	$data = $self->gender ? $female : $male;
		1640	$xml .= expand_cfpod ($self, $data);
		1641	} elsif ($code eq "H") {
		1642	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1643	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1644	"")
		1645	[$self->{hintmode}];
		1646	} else {
		1647	$xml .= "error processing '$code($data)' directive";
		1648	}
		1649	} else {
		1650	if ($pod =~ /\G(.+)/) {
		1651	warn "parse error while expanding $pod (at $1)";
		1652	}
		1653	last;
		1654	}
		1655	}
		1656
		1657	for ($xml) {
		1658	# create single paragraphs (very hackish)
		1659	s/(?<=\S)\n(?=\w)/ /g;
		1660
		1661	# compress some whitespace
		1662	s/\s+\n/\n/g; # ws line-ends
		1663	s/\n\n+/\n/g; # double lines
		1664	s/^\n+//; # beginning lines
		1665	s/\n+$//; # ending lines
		1666	}
		1667
		1668	$xml
		1669	}
		1670
		1671	no re 'eval';
		1672
		1673	sub hintmode {
		1674	$_[0]{hintmode} = $_[1] if @_ > 1;
		1675	$_[0]{hintmode}
		1676	}
		1677
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1088		1679
1089	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1090		1681
1091	=cut	1682	=cut
1092		1683
1093	sub ext_reply($$$%) {	1684	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1095		1686
1096	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1688	}
1100		1689
1101	package cf;	1690	=item $player->ext_msg ($type, @msg)
		1691
		1692	Sends an ext event to the client.
		1693
		1694	=cut
		1695
		1696	sub ext_msg($$@) {
		1697	my ($self, $type, @msg) = @_;
		1698
		1699	$self->ns->ext_msg ($type, @msg);
		1700	}
		1701
		1702	=head3 cf::region
		1703
		1704	=over 4
		1705
		1706	=cut
		1707
		1708	package cf::region;
		1709
		1710	=item cf::region::find_by_path $path
		1711
		1712	Tries to decuce the likely region for a map knowing only its path.
		1713
		1714	=cut
		1715
		1716	sub find_by_path($) {
		1717	my ($path) = @_;
		1718
		1719	my ($match, $specificity);
		1720
		1721	for my $region (list) {
		1722	if ($region->{match} && $path =~ $region->{match}) {
		1723	($match, $specificity) = ($region, $region->specificity)
		1724	if $region->specificity > $specificity;
		1725	}
		1726	}
		1727
		1728	$match
		1729	}
1102		1730
1103	=back	1731	=back
1104
1105		1732
1106	=head3 cf::map	1733	=head3 cf::map
1107		1734
1108	=over 4	1735	=over 4
1109		1736
…		…
1121	our $MAX_RESET = 3600;	1748	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1749	our $DEFAULT_RESET = 3000;
1123		1750
1124	sub generate_random_map {	1751	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1752	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1753	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1754	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1755	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1756	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1757	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1764	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1765	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1766	)
1141	}	1767	}
1142		1768
		1769	=item cf::map->register ($regex, $prio)
		1770
		1771	Register a handler for the map path matching the given regex at the
		1772	givne priority (higher is better, built-in handlers have priority 0, the
		1773	default).
		1774
		1775	=cut
		1776
1143	sub register {	1777	sub register {
1144	my (undef, $regex) = @_;	1778	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1779	my $pkg = caller;
1146		1780
1147	no strict;	1781	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1782	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1783
1150	$EXT_MAP{$pkg} = qr<$regex>;	1784	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1785	}
1152		1786
1153	# also paths starting with '/'	1787	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1788	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1155		1789
1156	sub thawer_merge {	1790	sub thawer_merge {
1157	my ($self, $merge) = @_;	1791	my ($self, $merge) = @_;
1158		1792
1159	# we have to keep some variables in memory intact	1793	# we have to keep some variables in memory intact
1160	local $self->{path};	1794	local $self->{path};
1161	local $self->{load_path};	1795	local $self->{load_path};
1162	local $self->{deny_save};
1163	local $self->{deny_reset};
1164		1796
1165	$self->SUPER::thawer_merge ($merge);	1797	$self->SUPER::thawer_merge ($merge);
1166	}	1798	}
1167		1799
1168	sub normalise {	1800	sub normalise {
1169	my ($path, $base) = @_;	1801	my ($path, $base) = @_;
		1802
		1803	$path = "$path"; # make sure its a string
		1804
		1805	$path =~ s/\.map$//;
1170		1806
1171	# map plan:	1807	# map plan:
1172	#	1808	#
1173	# /! non-realised random map exit (special hack!)	1809	# /! non-realised random map exit (special hack!)
1174	# {... are special paths that are not being touched	1810	# {... are special paths that are not being touched
…		…
1202		1838
1203	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1839	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1204		1840
1205	$path = normalise $path, $base;	1841	$path = normalise $path, $base;
1206		1842
1207	for my $pkg (keys %EXT_MAP) {	1843	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1208	if ($path =~ $EXT_MAP{$pkg}) {	1844	if ($path =~ $EXT_MAP{$pkg}[1]) {
1209	my $self = bless cf::map::new, $pkg;	1845	my $self = bless cf::map::new, $pkg;
1210	$self->{path} = $path; $self->path ($path);	1846	$self->{path} = $path; $self->path ($path);
1211	$self->init; # pass $1 etc.	1847	$self->init; # pass $1 etc.
1212	return $self;	1848	return $self;
1213	}	1849	}
1214	}	1850	}
1215		1851
1216	Carp::carp "unable to resolve path '$path'.";	1852	Carp::cluck "unable to resolve path '$path' (base '$base').";
1217	()	1853	()
1218	}	1854	}
1219		1855
1220	sub init {	1856	sub init {
1221	my ($self) = @_;	1857	my ($self) = @_;
…		…
1236		1872
1237	# the original (read-only) location	1873	# the original (read-only) location
1238	sub load_path {	1874	sub load_path {
1239	my ($self) = @_;	1875	my ($self) = @_;
1240		1876
1241	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1877	"$MAPDIR/$self->{path}.map"
1242	}	1878	}
1243		1879
1244	# the temporary/swap location	1880	# the temporary/swap location
1245	sub save_path {	1881	sub save_path {
1246	my ($self) = @_;	1882	my ($self) = @_;
1247		1883
1248	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1884	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1249	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1885	"$TMPDIR/$path.map"
1250	}	1886	}
1251		1887
1252	# the unique path, undef == no special unique path	1888	# the unique path, undef == no special unique path
1253	sub uniq_path {	1889	sub uniq_path {
1254	my ($self) = @_;	1890	my ($self) = @_;
1255		1891
1256	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1892	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1257	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1893	"$UNIQUEDIR/$path"
1258	}	1894	}
1259		1895
1260	# and all this just because we cannot iterate over	1896	# and all this just because we cannot iterate over
1261	# all maps in C++...	1897	# all maps in C++...
1262	sub change_all_map_light {	1898	sub change_all_map_light {
…		…
1264		1900
1265	$_->change_map_light ($change)	1901	$_->change_map_light ($change)
1266	for grep $_->outdoor, values %cf::MAP;	1902	for grep $_->outdoor, values %cf::MAP;
1267	}	1903	}
1268		1904
		1905	sub decay_objects {
		1906	my ($self) = @_;
		1907
		1908	return if $self->{deny_reset};
		1909
		1910	$self->do_decay_objects;
		1911	}
		1912
1269	sub unlink_save {	1913	sub unlink_save {
1270	my ($self) = @_;	1914	my ($self) = @_;
1271		1915
1272	utf8::encode (my $save = $self->save_path);	1916	utf8::encode (my $save = $self->save_path);
1273	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1917	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1276		1920
1277	sub load_header_from($) {	1921	sub load_header_from($) {
1278	my ($self, $path) = @_;	1922	my ($self, $path) = @_;
1279		1923
1280	utf8::encode $path;	1924	utf8::encode $path;
1281	aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1282	or return;	1926	or return;
1283		1927
1284	$self->_load_header ($path)	1928	$self->_load_header ($f)
1285	or return;	1929	or return;
1286		1930
		1931	local $MAP_LOADING{$self->{path}} = $self;
		1932	$f->resolve_delayed_derefs;
		1933
1287	$self->{load_path} = $path;	1934	$self->{load_path} = $path;
1288		1935
1289	1	1936	1
1290	}	1937	}
1291		1938
1292	sub load_orig {	1939	sub load_header_orig {
1293	my ($self) = @_;	1940	my ($self) = @_;
1294		1941
1295	$self->load_header_from ($self->load_path)	1942	$self->load_header_from ($self->load_path)
1296	}	1943	}
1297		1944
1298	sub load_temp {	1945	sub load_header_temp {
1299	my ($self) = @_;	1946	my ($self) = @_;
1300		1947
1301	$self->load_header_from ($self->save_path)	1948	$self->load_header_from ($self->save_path)
		1949	}
		1950
		1951	sub prepare_temp {
		1952	my ($self) = @_;
		1953
		1954	$self->last_access ((delete $self->{last_access})
		1955	|| $cf::RUNTIME); #d#
		1956	# safety
		1957	$self->{instantiate_time} = $cf::RUNTIME
		1958	if $self->{instantiate_time} > $cf::RUNTIME;
		1959	}
		1960
		1961	sub prepare_orig {
		1962	my ($self) = @_;
		1963
		1964	$self->{load_original} = 1;
		1965	$self->{instantiate_time} = $cf::RUNTIME;
		1966	$self->last_access ($cf::RUNTIME);
		1967	$self->instantiate;
1302	}	1968	}
1303		1969
1304	sub load_header {	1970	sub load_header {
1305	my ($self) = @_;	1971	my ($self) = @_;
1306		1972
1307	if ($self->load_temp) {	1973	if ($self->load_header_temp) {
1308	$self->last_access ((delete $self->{last_access})	1974	$self->prepare_temp;
1309	|| $cf::RUNTIME); #d#
1310	# safety
1311	$self->{instantiate_time} = $cf::RUNTIME
1312	if $self->{instantiate_time} > $cf::RUNTIME;
1313	} else {	1975	} else {
1314	$self->load_orig	1976	$self->load_header_orig
1315	or return;	1977	or return;
1316		1978	$self->prepare_orig;
1317	$self->{load_original} = 1;
1318	$self->{instantiate_time} = $cf::RUNTIME;
1319	$self->last_access ($cf::RUNTIME);
1320	$self->instantiate;
1321	}	1979	}
		1980
		1981	$self->{deny_reset} = 1
		1982	if $self->no_reset;
		1983
		1984	$self->default_region (cf::region::find_by_path $self->{path})
		1985	unless $self->default_region;
1322		1986
1323	1	1987	1
1324	}	1988	}
1325		1989
1326	sub find;	1990	sub find;
1327	sub find {	1991	sub find {
1328	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1329		1993
1330	$path = normalise $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1331		1995
		1996	cf::lock_wait "map_data:$path";#d#remove
1332	cf::lock_wait "map_find:$path";	1997	cf::lock_wait "map_find:$path";
1333		1998
1334	$cf::MAP{$path} || do {	1999	$cf::MAP{$path} || do {
1335	my $guard = cf::lock_acquire "map_find:$path";	2000	my $guard1 = cf::lock_acquire "map_find:$path";
		2001	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2002
1336	my $map = new_from_path cf::map $path	2003	my $map = new_from_path cf::map $path
1337	or return;	2004	or return;
1338		2005
1339	$map->{last_save} = $cf::RUNTIME;	2006	$map->{last_save} = $cf::RUNTIME;
1340		2007
1341	$map->load_header	2008	$map->load_header
1342	or return;	2009	or return;
1343		2010
1344	if ($map->should_reset) {	2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2012	# doing this can freeze the server in a sync job, obviously
1345	$cf::WAIT_FOR_TICK->wait;	2013	#$cf::WAIT_FOR_TICK->wait;
		2014	undef $guard1;
		2015	undef $guard2;
1346	$map->reset;	2016	$map->reset;
1347	undef $guard;
1348	$map = find $path	2017	return find $path;
1349	or return;
1350	}	2018	}
1351		2019
1352	$cf::MAP{$path} = $map	2020	$cf::MAP{$path} = $map
1353	}	2021	}
1354	}	2022	}
		2023
		2024	sub pre_load { }
		2025	sub post_load { }
1355		2026
1356	sub load {	2027	sub load {
1357	my ($self) = @_;	2028	my ($self) = @_;
1358		2029
		2030	local $self->{deny_reset} = 1; # loading can take a long time
		2031
1359	my $path = $self->{path};	2032	my $path = $self->{path};
		2033
		2034	{
1360	my $guard = cf::lock_acquire "map_load:$path";	2035	my $guard = cf::lock_acquire "map_data:$path";
1361		2036
		2037	return unless $self->valid;
1362	return if $self->in_memory != cf::MAP_SWAPPED;	2038	return unless $self->in_memory == cf::MAP_SWAPPED;
1363		2039
1364	$self->in_memory (cf::MAP_LOADING);	2040	$self->in_memory (cf::MAP_LOADING);
1365		2041
1366	$self->alloc;	2042	$self->alloc;
1367	$self->_load_objects ($self->{load_path}, 1)	2043
		2044	$self->pre_load;
		2045	cf::cede_to_tick;
		2046
		2047	my $f = new_from_file cf::object::thawer $self->{load_path};
		2048	$f->skip_block;
		2049	$self->_load_objects ($f)
1368	or return;	2050	or return;
1369		2051
1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1371	if delete $self->{load_original};	2053	if delete $self->{load_original};
1372		2054
1373	if (my $uniq = $self->uniq_path) {	2055	if (my $uniq = $self->uniq_path) {
1374	utf8::encode $uniq;	2056	utf8::encode $uniq;
1375	if (aio_open $uniq, O_RDONLY, 0) {	2057	unless (aio_stat $uniq) {
		2058	if (my $f = new_from_file cf::object::thawer $uniq) {
1376	$self->clear_unique_items;	2059	$self->clear_unique_items;
1377	$self->_load_objects ($uniq, 0);	2060	$self->_load_objects ($f);
		2061	$f->resolve_delayed_derefs;
		2062	}
1378	}	2063	}
1379	}	2064	}
1380		2065
1381	Coro::cede;	2066	$f->resolve_delayed_derefs;
1382		2067
		2068	cf::cede_to_tick;
1383	# now do the right thing for maps	2069	# now do the right thing for maps
1384	$self->link_multipart_objects;	2070	$self->link_multipart_objects;
1385
1386	unless ($self->{deny_activate}) {
1387	$self->decay_objects;
1388	$self->fix_auto_apply;
1389	$self->update_buttons;
1390	Coro::cede;
1391	$self->set_darkness_map;
1392	$self->difficulty ($self->estimate_difficulty)	2071	$self->difficulty ($self->estimate_difficulty)
1393	unless $self->difficulty;	2072	unless $self->difficulty;
1394	Coro::cede;	2073	cf::cede_to_tick;
		2074
		2075	unless ($self->{deny_activate}) {
		2076	$self->decay_objects;
		2077	$self->fix_auto_apply;
		2078	$self->update_buttons;
		2079	cf::cede_to_tick;
		2080	$self->set_darkness_map;
		2081	cf::cede_to_tick;
1395	$self->activate;	2082	$self->activate;
1396	}	2083	}
1397		2084
		2085	$self->{last_save} = $cf::RUNTIME;
		2086	$self->last_access ($cf::RUNTIME);
		2087
1398	$self->in_memory (cf::MAP_IN_MEMORY);	2088	$self->in_memory (cf::MAP_IN_MEMORY);
		2089	}
		2090
		2091	$self->post_load;
1399	}	2092	}
1400		2093
1401	sub customise_for {	2094	sub customise_for {
1402	my ($self, $ob) = @_;	2095	my ($self, $ob) = @_;
1403		2096
1404	return find "~" . $ob->name . "/" . $self->{path}	2097	return find "~" . $ob->name . "/" . $self->{path}
1405	if $self->per_player;	2098	if $self->per_player;
1406		2099
		2100	# return find "?party/" . $ob->name . "/" . $self->{path}
		2101	# if $self->per_party;
		2102
1407	$self	2103	$self
1408	}	2104	}
1409		2105
1410	# find and load all maps in the 3x3 area around a map	2106	# find and load all maps in the 3x3 area around a map
1411	sub load_diag {	2107	sub load_neighbours {
1412	my ($map) = @_;	2108	my ($map) = @_;
1413		2109
1414	my @diag; # diagonal neighbours	2110	my @neigh; # diagonal neighbours
1415		2111
1416	for (0 .. 3) {	2112	for (0 .. 3) {
1417	my $neigh = $map->tile_path ($_)	2113	my $neigh = $map->tile_path ($_)
1418	or next;	2114	or next;
1419	$neigh = find $neigh, $map	2115	$neigh = find $neigh, $map
1420	or next;	2116	or next;
1421	$neigh->load;	2117	$neigh->load;
1422		2118
		2119	push @neigh,
1423	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2120	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1424	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2121	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1425	}	2122	}
1426		2123
1427	for (@diag) {	2124	for (grep defined $_->[0], @neigh) {
		2125	my ($path, $origin) = @$_;
1428	my $neigh = find @$_	2126	my $neigh = find $path, $origin
1429	or next;	2127	or next;
1430	$neigh->load;	2128	$neigh->load;
1431	}	2129	}
1432	}	2130	}
1433		2131
…		…
1438	}	2136	}
1439		2137
1440	sub do_load_sync {	2138	sub do_load_sync {
1441	my ($map) = @_;	2139	my ($map) = @_;
1442		2140
		2141	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2142	if $Coro::current == $Coro::main;
		2143
1443	cf::sync_job { $map->load };	2144	cf::sync_job { $map->load };
1444	}	2145	}
1445		2146
1446	our %MAP_PREFETCH;	2147	our %MAP_PREFETCH;
1447	our $MAP_PREFETCHER = Coro::async {	2148	our $MAP_PREFETCHER = undef;
1448	while () {
1449	for my $path (keys %MAP_PREFETCH) {
1450	my $map = find $path
1451	or next;
1452	$map->load;
1453
1454	delete $MAP_PREFETCH{$path};
1455	}
1456	Coro::schedule;
1457	}
1458	};
1459		2149
1460	sub find_async {	2150	sub find_async {
1461	my ($path, $origin) = @_;	2151	my ($path, $origin, $load) = @_;
1462		2152
1463	$path = normalise $path, $origin && $origin->{path};	2153	$path = normalise $path, $origin && $origin->{path};
1464		2154
1465	if (my $map = $cf::MAP{$path}) {	2155	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2157	}
		2158
		2159	$MAP_PREFETCH{$path} |= $load;
		2160
		2161	$MAP_PREFETCHER ||= cf::async {
		2162	$Coro::current->{desc} = "map prefetcher";
		2163
		2164	while (%MAP_PREFETCH) {
		2165	while (my ($k, $v) = each %MAP_PREFETCH) {
		2166	if (my $map = find $k) {
		2167	$map->load if $v;
		2168	}
		2169
		2170	delete $MAP_PREFETCH{$k};
		2171	}
		2172	}
		2173	undef $MAP_PREFETCHER;
1467	}	2174	};
1468
1469	$MAP_PREFETCH{$path} = 0;
1470	$MAP_PREFETCHER->ready;	2175	$MAP_PREFETCHER->prio (6);
1471		2176
1472	()	2177	()
1473	}	2178	}
1474		2179
1475	sub save {	2180	sub save {
1476	my ($self) = @_;	2181	my ($self) = @_;
1477		2182
1478	my $lock = cf::lock_acquire "map_data:" . $self->path;	2183	my $lock = cf::lock_acquire "map_data:$self->{path}";
1479		2184
1480	$self->{last_save} = $cf::RUNTIME;	2185	$self->{last_save} = $cf::RUNTIME;
1481		2186
1482	return unless $self->dirty;	2187	return unless $self->dirty;
1483		2188
…		…
1489	return if $self->{deny_save};	2194	return if $self->{deny_save};
1490		2195
1491	local $self->{last_access} = $self->last_access;#d#	2196	local $self->{last_access} = $self->last_access;#d#
1492		2197
1493	cf::async {	2198	cf::async {
		2199	$Coro::current->{desc} = "map player save";
1494	$_->contr->save for $self->players;	2200	$_->contr->save for $self->players;
1495	};	2201	};
1496		2202
1497	if ($uniq) {	2203	if ($uniq) {
1498	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1506	my ($self) = @_;	2212	my ($self) = @_;
1507		2213
1508	# save first because save cedes	2214	# save first because save cedes
1509	$self->save;	2215	$self->save;
1510		2216
1511	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1512		2218
1513	return if $self->players;	2219	return if $self->players;
1514	return if $self->in_memory != cf::MAP_IN_MEMORY;	2220	return if $self->in_memory != cf::MAP_IN_MEMORY;
1515	return if $self->{deny_save};	2221	return if $self->{deny_save};
1516		2222
		2223	$self->in_memory (cf::MAP_SWAPPED);
		2224
		2225	$self->deactivate;
		2226	$_->clear_links_to ($self) for values %cf::MAP;
1517	$self->clear;	2227	$self->clear;
1518	$self->in_memory (cf::MAP_SWAPPED);
1519	}	2228	}
1520		2229
1521	sub reset_at {	2230	sub reset_at {
1522	my ($self) = @_;	2231	my ($self) = @_;
1523		2232
1524	# TODO: safety, remove and allow resettable per-player maps	2233	# TODO: safety, remove and allow resettable per-player maps
1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1526	return 1e99 if $self->{deny_reset};	2234	return 1e99 if $self->{deny_reset};
1527		2235
1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2236	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2237	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530		2238
…		…
1541	my ($self) = @_;	2249	my ($self) = @_;
1542		2250
1543	my $lock = cf::lock_acquire "map_data:$self->{path}";	2251	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2252
1545	return if $self->players;	2253	return if $self->players;
1546	return if $self->isa ("ext::map_per_player");#d#
1547		2254
1548	warn "resetting map ", $self->path;#d#	2255	warn "resetting map ", $self->path;
		2256
		2257	$self->in_memory (cf::MAP_SWAPPED);
		2258
		2259	# need to save uniques path
		2260	unless ($self->{deny_save}) {
		2261	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2262
		2263	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2264	if $uniq;
		2265	}
1549		2266
1550	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
1551		2268
1552	$self->in_memory (cf::MAP_SWAPPED);	2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
1553	$self->clear;	2271	$self->clear;
1554
1555	$_->clear_links_to ($self) for values %cf::MAP;
1556		2272
1557	$self->unlink_save;	2273	$self->unlink_save;
1558	$self->destroy;	2274	$self->destroy;
1559	}	2275	}
1560		2276
1561	my $nuke_counter = "aaaa";	2277	my $nuke_counter = "aaaa";
1562		2278
1563	sub nuke {	2279	sub nuke {
1564	my ($self) = @_;	2280	my ($self) = @_;
1565		2281
		2282	{
		2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2284
1566	delete $cf::MAP{$self->path};	2285	delete $cf::MAP{$self->path};
1567		2286
1568	$self->unlink_save;	2287	$self->unlink_save;
1569		2288
1570	bless $self, "cf::map";	2289	bless $self, "cf::map";
1571	delete $self->{deny_reset};	2290	delete $self->{deny_reset};
1572	$self->{deny_save} = 1;	2291	$self->{deny_save} = 1;
1573	$self->reset_timeout (1);	2292	$self->reset_timeout (1);
1574	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2293	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1575		2294
1576	$cf::MAP{$self->path} = $self;	2295	$cf::MAP{$self->path} = $self;
		2296	}
1577		2297
1578	$self->reset; # polite request, might not happen	2298	$self->reset; # polite request, might not happen
		2299	}
		2300
		2301	=item $maps = cf::map::tmp_maps
		2302
		2303	Returns an arrayref with all map paths of currently instantiated and saved
		2304	maps. May block.
		2305
		2306	=cut
		2307
		2308	sub tmp_maps() {
		2309	[
		2310	map {
		2311	utf8::decode $_;
		2312	/\.map$/
		2313	? normalise $_
		2314	: ()
		2315	} @{ aio_readdir $TMPDIR or [] }
		2316	]
		2317	}
		2318
		2319	=item $maps = cf::map::random_maps
		2320
		2321	Returns an arrayref with all map paths of currently instantiated and saved
		2322	random maps. May block.
		2323
		2324	=cut
		2325
		2326	sub random_maps() {
		2327	[
		2328	map {
		2329	utf8::decode $_;
		2330	/\.map$/
		2331	? normalise "?random/$_"
		2332	: ()
		2333	} @{ aio_readdir $RANDOMDIR or [] }
		2334	]
1579	}	2335	}
1580		2336
1581	=item cf::map::unique_maps	2337	=item cf::map::unique_maps
1582		2338
1583	Returns an arrayref of paths of all shared maps that have	2339	Returns an arrayref of paths of all shared maps that have
1584	instantiated unique items. May block.	2340	instantiated unique items. May block.
1585		2341
1586	=cut	2342	=cut
1587		2343
1588	sub unique_maps() {	2344	sub unique_maps() {
1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2345	[
1590	or return;	2346	map {
1591
1592	my @paths;
1593
1594	for (@$files) {
1595	utf8::decode $_;	2347	utf8::decode $_;
1596	next if /\.pst$/;
1597	next unless /^$PATH_SEP/o;
1598
1599	s/\.map$//;	2348	/\.map$/
1600	push @paths, $_;	2349	? normalise $_
		2350	: ()
		2351	} @{ aio_readdir $UNIQUEDIR or [] }
1601	}	2352	]
1602
1603	\@paths
1604	}	2353	}
1605		2354
1606	package cf;	2355	package cf;
1607		2356
1608	=back	2357	=back
…		…
1626	map { $_, inv_recursive_ $_->inv } @_	2375	map { $_, inv_recursive_ $_->inv } @_
1627	}	2376	}
1628		2377
1629	sub inv_recursive {	2378	sub inv_recursive {
1630	inv_recursive_ inv $_[0]	2379	inv_recursive_ inv $_[0]
		2380	}
		2381
		2382	=item $ref = $ob->ref
		2383
		2384	creates and returns a persistent reference to an objetc that can be stored as a string.
		2385
		2386	=item $ob = cf::object::deref ($refstring)
		2387
		2388	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2389	even if the object actually exists. May block.
		2390
		2391	=cut
		2392
		2393	sub deref {
		2394	my ($ref) = @_;
		2395
		2396	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2397	my ($uuid, $name) = ($1, $2);
		2398	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2399	or return;
		2400	$pl->ob->uuid eq $uuid
		2401	or return;
		2402
		2403	$pl->ob
		2404	} else {
		2405	warn "$ref: cannot resolve object reference\n";
		2406	undef
		2407	}
1631	}	2408	}
1632		2409
1633	package cf;	2410	package cf;
1634		2411
1635	=back	2412	=back
…		…
1654		2431
1655	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656		2433
1657	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1658	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1659	} else {	2437	} else {
		2438	my $pl = $self->contr;
		2439
		2440	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2441	my $dialog = $pl->{npc_dialog};
		2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2443
		2444	} else {
1660	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1661	$self->message ($msg, $flags);	2446	$self->message ($msg, $flags);
		2447	}
1662	}	2448	}
		2449	}
		2450
		2451	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2452
		2453	=cut
		2454
		2455	sub cf::object::send_msg {
		2456	my $pl = shift->contr
		2457	or return;
		2458	$pl->send_msg (@_);
1663	}	2459	}
1664		2460
1665	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1666		2462
1667	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1699	=cut	2495	=cut
1700		2496
1701	sub link_map {	2497	sub link_map {
1702	unless ($LINK_MAP) {	2498	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	2499	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2500	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	2501	$LINK_MAP->load;
1706	}	2502	}
1707		2503
1708	$LINK_MAP	2504	$LINK_MAP
1709	}	2505	}
…		…
1714	$self->deactivate_recursive;	2510	$self->deactivate_recursive;
1715		2511
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	2512	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		2513
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2514	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	2515	if $self->map && $self->map->{path} ne "{link}";
1720		2516
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2517	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1722	}	2518	}
1723		2519
1724	sub cf::object::player::leave_link {	2520	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	2521	my ($self, $map, $x, $y) = @_;
		2522
		2523	return unless $self->contr->active;
1726		2524
1727	my $link_pos = delete $self->{_link_pos};	2525	my $link_pos = delete $self->{_link_pos};
1728		2526
1729	unless ($map) {	2527	unless ($map) {
1730	# restore original map position	2528	# restore original map position
…		…
1744	# use -1 or undef as default coordinates, not 0, 0	2542	# use -1 or undef as default coordinates, not 0, 0
1745	($x, $y) = ($map->enter_x, $map->enter_y)	2543	($x, $y) = ($map->enter_x, $map->enter_y)
1746	if $x <=0 && $y <= 0;	2544	if $x <=0 && $y <= 0;
1747		2545
1748	$map->load;	2546	$map->load;
1749	$map->load_diag;	2547	$map->load_neighbours;
1750		2548
1751	return unless $self->contr->active;	2549	return unless $self->contr->active;
1752	$self->activate_recursive;	2550	$self->activate_recursive;
		2551
		2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1753	$self->enter_map ($map, $x, $y);	2553	$self->enter_map ($map, $x, $y);
1754	}	2554	}
1755		2555
1756	cf::player->attach (	2556	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1757	on_logout => sub {
1758	my ($pl) = @_;
1759		2557
1760	# abort map switching before logout	2558	Moves the player to the given map-path and coordinates by first freezing
1761	if ($pl->ob->{_link_pos}) {	2559	her, loading and preparing them map, calling the provided $check callback
1762	cf::sync_job {	2560	that has to return the map if sucecssful, and then unfreezes the player on
1763	$pl->ob->leave_link	2561	the new (success) or old (failed) map position. In either case, $done will
1764	};	2562	be called at the end of this process.
1765	}
1766	},
1767	on_login => sub {
1768	my ($pl) = @_;
1769		2563
1770	# try to abort aborted map switching on player login :)
1771	# should happen only on crashes
1772	if ($pl->ob->{_link_pos}) {
1773	$pl->ob->enter_link;
1774	(async {
1775	# we need this sleep as the login has a concurrent enter_exit running
1776	# and this sleep increases chances of the player not ending up in scorn
1777	$pl->ob->reply (undef,
1778	"There was an internal problem at your last logout, "
1779	. "the server will try to bring you to your intended destination in a second.",
1780	cf::NDI_RED);
1781	Coro::Timer::sleep 1;
1782	$pl->ob->leave_link;
1783	})->prio (2);
1784	}
1785	},
1786	);
1787
1788	=item $player_object->goto ($path, $x, $y)
1789
1790	=cut	2564	=cut
		2565
		2566	our $GOTOGEN;
1791		2567
1792	sub cf::object::player::goto {	2568	sub cf::object::player::goto {
1793	my ($self, $path, $x, $y) = @_;	2569	my ($self, $path, $x, $y, $check, $done) = @_;
		2570
		2571	# do generation counting so two concurrent goto's will be executed in-order
		2572	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1794		2573
1795	$self->enter_link;	2574	$self->enter_link;
1796		2575
1797	(async {	2576	(async {
1798	my $map = cf::map::find $path;	2577	$Coro::current->{desc} = "player::goto $path $x $y";
		2578
		2579	# *tag paths override both path and x|y
		2580	if ($path =~ /^\*(.*)$/) {
		2581	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2582	my $ob = $obs[rand @obs];
		2583
		2584	# see if we actually can go there
		2585	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2586	$ob = $obs[rand @obs];
		2587	} else {
		2588	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	}
		2590	# else put us there anyways for now #d#
		2591
		2592	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2593	} else {
		2594	($path, $x, $y) = (undef, undef, undef);
		2595	}
		2596	}
		2597
		2598	my $map = eval {
		2599	my $map = defined $path ? cf::map::find $path : undef;
		2600
		2601	if ($map) {
1799	$map = $map->customise_for ($self) if $map;	2602	$map = $map->customise_for ($self);
1800		2603	$map = $check->($map) if $check && $map;
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	2604	} else {
1802	# if $map;
1803
1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2605	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2606	}
1805		2607
		2608	$map
		2609	};
		2610
		2611	if ($@) {
		2612	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2613	LOG llevError | logBacktrace, Carp::longmess $@;
		2614	}
		2615
		2616	if ($gen == $self->{_goto_generation}) {
		2617	delete $self->{_goto_generation};
1806	$self->leave_link ($map, $x, $y);	2618	$self->leave_link ($map, $x, $y);
		2619	}
		2620
		2621	$done->() if $done;
1807	})->prio (1);	2622	})->prio (1);
1808	}	2623	}
1809		2624
1810	=item $player_object->enter_exit ($exit_object)	2625	=item $player_object->enter_exit ($exit_object)
1811		2626
…		…
1813		2628
1814	sub parse_random_map_params {	2629	sub parse_random_map_params {
1815	my ($spec) = @_;	2630	my ($spec) = @_;
1816		2631
1817	my $rmp = { # defaults	2632	my $rmp = { # defaults
1818	xsize => 10,	2633	xsize => (cf::rndm 15, 40),
1819	ysize => 10,	2634	ysize => (cf::rndm 15, 40),
		2635	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2636	#layout => string,
1820	};	2637	};
1821		2638
1822	for (split /\n/, $spec) {	2639	for (split /\n/, $spec) {
1823	my ($k, $v) = split /\s+/, $_, 2;	2640	my ($k, $v) = split /\s+/, $_, 2;
1824		2641
…		…
1828	$rmp	2645	$rmp
1829	}	2646	}
1830		2647
1831	sub prepare_random_map {	2648	sub prepare_random_map {
1832	my ($exit) = @_;	2649	my ($exit) = @_;
		2650
		2651	my $guard = cf::lock_acquire "exit_prepare:$exit";
1833		2652
1834	# all this does is basically replace the /! path by	2653	# all this does is basically replace the /! path by
1835	# a new random map path (?random/...) with a seed	2654	# a new random map path (?random/...) with a seed
1836	# that depends on the exit object	2655	# that depends on the exit object
1837		2656
1838	my $rmp = parse_random_map_params $exit->msg;	2657	my $rmp = parse_random_map_params $exit->msg;
1839		2658
1840	if ($exit->map) {	2659	if ($exit->map) {
1841	$rmp->{region} = $exit->map->region_name;	2660	$rmp->{region} = $exit->region->name;
1842	$rmp->{origin_map} = $exit->map->path;	2661	$rmp->{origin_map} = $exit->map->path;
1843	$rmp->{origin_x} = $exit->x;	2662	$rmp->{origin_x} = $exit->x;
1844	$rmp->{origin_y} = $exit->y;	2663	$rmp->{origin_y} = $exit->y;
1845	}	2664	}
1846		2665
1847	$rmp->{random_seed} ||= $exit->random_seed;	2666	$rmp->{random_seed} ||= $exit->random_seed;
1848		2667
1849	my $data = cf::to_json $rmp;	2668	my $data = cf::encode_json $rmp;
1850	my $md5 = Digest::MD5::md5_hex $data;	2669	my $md5 = Digest::MD5::md5_hex $data;
		2670	my $meta = "$RANDOMDIR/$md5.meta";
1851		2671
1852	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1853	aio_write $fh, 0, (length $data), $data, 0;	2673	aio_write $fh, 0, (length $data), $data, 0;
		2674	undef $fh;
		2675	aio_rename "$meta~", $meta;
1854		2676
1855	$exit->slaying ("?random/$md5");	2677	$exit->slaying ("?random/$md5");
1856	$exit->msg (undef);	2678	$exit->msg (undef);
1857	}	2679	}
1858	}	2680	}
…		…
1860	sub cf::object::player::enter_exit {	2682	sub cf::object::player::enter_exit {
1861	my ($self, $exit) = @_;	2683	my ($self, $exit) = @_;
1862		2684
1863	return unless $self->type == cf::PLAYER;	2685	return unless $self->type == cf::PLAYER;
1864		2686
		2687	if ($exit->slaying eq "/!") {
		2688	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2689	# the problem is that $exit might not survive long enough
		2690	# so it needs to be done right now, right here
		2691	cf::sync_job { prepare_random_map $exit };
		2692	}
		2693
		2694	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2695	my $hp = $exit->stats->hp;
		2696	my $sp = $exit->stats->sp;
		2697
1865	$self->enter_link;	2698	$self->enter_link;
1866		2699
		2700	# if exit is damned, update players death & WoR home-position
		2701	$self->contr->savebed ($slaying, $hp, $sp)
		2702	if $exit->flag (FLAG_DAMNED);
		2703
1867	(async {	2704	(async {
		2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2706
1868	$self->deactivate_recursive; # just to be sure	2707	$self->deactivate_recursive; # just to be sure
1869	unless (eval {	2708	unless (eval {
1870	prepare_random_map $exit	2709	$self->goto ($slaying, $hp, $sp);
1871	if $exit->slaying eq "/!";
1872
1873	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1874	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1875		2710
1876	1;	2711	1;
1877	}) {	2712	}) {
1878	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the crossfire server. "
1879	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
1880	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
1881	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
1882		2717
1883	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
1884	$self->leave_link;	2719	$self->leave_link;
1885	}	2720	}
1886	})->prio (1);	2721	})->prio (1);
…		…
1899		2734
1900	sub cf::client::send_drawinfo {	2735	sub cf::client::send_drawinfo {
1901	my ($self, $text, $flags) = @_;	2736	my ($self, $text, $flags) = @_;
1902		2737
1903	utf8::encode $text;	2738	utf8::encode $text;
1904	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1905	}	2740	}
1906		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	);
		2802
		2803	sub cf::client::send_msg {
		2804	my ($self, $channel, $msg, $color, @extra) = @_;
		2805
		2806	$msg = $self->pl->expand_cfpod ($msg);
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
		2829
		2830	return unless @extra || length $msg;
		2831
		2832	if ($self->can_msg) {
		2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2838	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2839	} else {
		2840	if ($color >= 0) {
		2841	# replace some tags by gcfclient-compatible ones
		2842	for ($msg) {
		2843	1 while
		2844	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2845	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2846	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2847	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2848	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2849	}
		2850
		2851	$color &= cf::NDI_COLOR_MASK;
		2852
		2853	utf8::encode $msg;
		2854
		2855	if (0 && $msg =~ /\[/) {
		2856	# COMMAND/INFO
		2857	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2858	} else {
		2859	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2860	$self->send_packet ("drawinfo $color $msg")
		2861	}
		2862	}
		2863	}
		2864	}
		2865
		2866	=item $client->ext_msg ($type, @msg)
		2867
		2868	Sends an ext event to the client.
		2869
		2870	=cut
		2871
		2872	sub cf::client::ext_msg($$@) {
		2873	my ($self, $type, @msg) = @_;
		2874
		2875	if ($self->extcmd == 2) {
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2877	} elsif ($self->extcmd == 1) { # TODO: remove
		2878	push @msg, msgtype => "event_$type";
		2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2880	}
		2881	}
		2882
		2883	=item $client->ext_reply ($msgid, @msg)
		2884
		2885	Sends an ext reply to the client.
		2886
		2887	=cut
		2888
		2889	sub cf::client::ext_reply($$@) {
		2890	my ($self, $id, @msg) = @_;
		2891
		2892	if ($self->extcmd == 2) {
		2893	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2894	} elsif ($self->extcmd == 1) {
		2895	#TODO: version 1, remove
		2896	unshift @msg, msgtype => "reply", msgid => $id;
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2898	}
		2899	}
1907		2900
1908	=item $success = $client->query ($flags, "text", \&cb)	2901	=item $success = $client->query ($flags, "text", \&cb)
1909		2902
1910	Queues a query to the client, calling the given callback with	2903	Queues a query to the client, calling the given callback with
1911	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1912	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1913		2906
1914	Queries can fail, so check the return code. Or don't, as queries will become	2907	Queries can fail, so check the return code. Or don't, as queries will
1915	reliable at some point in the future.	2908	become reliable at some point in the future.
1916		2909
1917	=cut	2910	=cut
1918		2911
1919	sub cf::client::query {	2912	sub cf::client::query {
1920	my ($self, $flags, $text, $cb) = @_;	2913	my ($self, $flags, $text, $cb) = @_;
…		…
1928	utf8::encode $text;	2921	utf8::encode $text;
1929	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1930		2923
1931	$self->send_packet ($self->{query_queue}[0][0])	2924	$self->send_packet ($self->{query_queue}[0][0])
1932	if @{ $self->{query_queue} } == 1;	2925	if @{ $self->{query_queue} } == 1;
		2926
		2927	1
1933	}	2928	}
1934		2929
1935	cf::client->attach (	2930	cf::client->attach (
		2931	on_connect => sub {
		2932	my ($ns) = @_;
		2933
		2934	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2935	},
1936	on_reply => sub {	2936	on_reply => sub {
1937	my ($ns, $msg) = @_;	2937	my ($ns, $msg) = @_;
1938		2938
1939	# this weird shuffling is so that direct followup queries	2939	# this weird shuffling is so that direct followup queries
1940	# get handled first	2940	# get handled first
1941	my $queue = delete $ns->{query_queue}	2941	my $queue = delete $ns->{query_queue}
1942	or return; # be conservative, not sure how that can happen, but we saw a crash here	2942	or return; # be conservative, not sure how that can happen, but we saw a crash here
1943		2943
1944	(shift @$queue)->[1]->($msg);	2944	(shift @$queue)->[1]->($msg);
		2945	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1945		2946
1946	push @{ $ns->{query_queue} }, @$queue;	2947	push @{ $ns->{query_queue} }, @$queue;
1947		2948
1948	if (@{ $ns->{query_queue} } == @$queue) {	2949	if (@{ $ns->{query_queue} } == @$queue) {
1949	if (@$queue) {	2950	if (@$queue) {
…		…
1951	} else {	2952	} else {
1952	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2953	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1953	}	2954	}
1954	}	2955	}
1955	},	2956	},
		2957	on_exticmd => sub {
		2958	my ($ns, $buf) = @_;
		2959
		2960	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2961
		2962	if (ref $msg) {
		2963	my ($type, $reply, @payload) =
		2964	"ARRAY" eq ref $msg
		2965	? @$msg
		2966	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2967
		2968	my @reply;
		2969
		2970	if (my $cb = $EXTICMD{$type}) {
		2971	@reply = $cb->($ns, @payload);
		2972	}
		2973
		2974	$ns->ext_reply ($reply, @reply)
		2975	if $reply;
		2976
		2977	} else {
		2978	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2979	}
		2980
		2981	cf::override;
		2982	},
1956	);	2983	);
1957		2984
1958	=item $client->async (\&cb)	2985	=item $client->async (\&cb)
1959		2986
1960	Create a new coroutine, running the specified callback. The coroutine will	2987	Create a new coroutine, running the specified callback. The coroutine will
…		…
2001	our $safe = new Safe "safe";	3028	our $safe = new Safe "safe";
2002	our $safe_hole = new Safe::Hole;	3029	our $safe_hole = new Safe::Hole;
2003		3030
2004	$SIG{FPE} = 'IGNORE';	3031	$SIG{FPE} = 'IGNORE';
2005		3032
2006	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3033	$safe->permit_only (Opcode::opset qw(
		3034	:base_core :base_mem :base_orig :base_math
		3035	grepstart grepwhile mapstart mapwhile
		3036	sort time
		3037	));
2007		3038
2008	# here we export the classes and methods available to script code	3039	# here we export the classes and methods available to script code
2009		3040
2010	=pod	3041	=pod
2011		3042
2012	The following fucntions and emthods are available within a safe environment:	3043	The following functions and methods are available within a safe environment:
2013		3044
2014	cf::object contr pay_amount pay_player map	3045	cf::object
		3046	contr pay_amount pay_player map x y force_find force_add destroy
		3047	insert remove name archname title slaying race decrease_ob_nr
		3048
2015	cf::object::player player	3049	cf::object::player
2016	cf::player peaceful	3050	player
2017	cf::map trigger	3051
		3052	cf::player
		3053	peaceful
		3054
		3055	cf::map
		3056	trigger
2018		3057
2019	=cut	3058	=cut
2020		3059
2021	for (	3060	for (
2022	["cf::object" => qw(contr pay_amount pay_player map)],	3061	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3062	insert remove inv name archname title slaying race
		3063	decrease_ob_nr destroy)],
2023	["cf::object::player" => qw(player)],	3064	["cf::object::player" => qw(player)],
2024	["cf::player" => qw(peaceful)],	3065	["cf::player" => qw(peaceful)],
2025	["cf::map" => qw(trigger)],	3066	["cf::map" => qw(trigger)],
2026	) {	3067	) {
2027	no strict 'refs';	3068	no strict 'refs';
…		…
2098	=back	3139	=back
2099		3140
2100	=cut	3141	=cut
2101		3142
2102	#############################################################################	3143	#############################################################################
		3144	# the server's init and main functions
2103		3145
2104	=head2 EXTENSION DATABASE SUPPORT	3146	sub load_facedata($) {
		3147	my ($path) = @_;
2105		3148
2106	Crossfire maintains a very simple database for extension use. It can	3149	# HACK to clear player env face cache, we need some signal framework
2107	currently store anything that can be serialised using Storable, which	3150	# for this (global event?)
2108	excludes objects.	3151	%ext::player_env::MUSIC_FACE_CACHE = ();
2109		3152
2110	The parameter C<$family> should best start with the name of the extension	3153	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2111	using it, it should be unique.
2112		3154
2113	=over 4	3155	warn "loading facedata from $path\n";
2114		3156
2115	=item $hashref = cf::db_get $family	3157	my $facedata;
		3158	0 < aio_load $path, $facedata
		3159	or die "$path: $!";
2116		3160
2117	Return a hashref for use by the extension C<$family>, which can be	3161	$facedata = Coro::Storable::thaw $facedata;
2118	modified. After modifications, you have to call C<cf::db_dirty> or
2119	C<cf::db_sync>.
2120		3162
2121	=item $value = cf::db_get $family => $key	3163	$facedata->{version} == 2
		3164	or cf::cleanup "$path: version mismatch, cannot proceed.";
2122		3165
2123	Returns a single value from the database	3166	# patch in the exptable
2124		3167	$facedata->{resource}{"res/exp_table"} = {
2125	=item cf::db_put $family => $hashref	3168	type => FT_RSRC,
2126		3169	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2127	Stores the given family hashref into the database. Updates are delayed, if
2128	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_put $family => $key => $value
2131
2132	Stores the given C<$value> in the family hash. Updates are delayed, if you
2133	want the data to be synced to disk immediately, use C<cf::db_sync>.
2134
2135	=item cf::db_dirty
2136
2137	Marks the database as dirty, to be updated at a later time.
2138
2139	=item cf::db_sync
2140
2141	Immediately write the database to disk I<if it is dirty>.
2142
2143	=cut
2144
2145	our $DB;
2146
2147	{
2148	my $path = cf::localdir . "/database.pst";
2149
2150	sub db_load() {
2151	$DB = stat $path ? Storable::retrieve $path : { };
2152	}
2153
2154	my $pid;
2155
2156	sub db_save() {
2157	waitpid $pid, 0 if $pid;
2158	if (0 == ($pid = fork)) {
2159	$DB->{_meta}{version} = 1;
2160	Storable::nstore $DB, "$path~";
2161	rename "$path~", $path;
2162	cf::_exit 0 if defined $pid;
2163	}
2164	}
2165
2166	my $dirty;
2167
2168	sub db_sync() {
2169	db_save if $dirty;
2170	undef $dirty;
2171	}
2172
2173	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2174	db_sync;
2175	});	3170	};
		3171	cf::cede_to_tick;
2176		3172
2177	sub db_dirty() {
2178	$dirty = 1;
2179	$idle->start;
2180	}	3173	{
		3174	my $faces = $facedata->{faceinfo};
2181		3175
2182	sub db_get($;$) {	3176	while (my ($face, $info) = each %$faces) {
2183	@_ >= 2	3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2184	? $DB->{$_[0]}{$_[1]}
2185	: ($DB->{$_[0]} ||= { })
2186	}
2187		3178
2188	sub db_put($$;$) {	3179	cf::face::set_visibility $idx, $info->{visibility};
2189	if (@_ >= 3) {	3180	cf::face::set_magicmap $idx, $info->{magicmap};
2190	$DB->{$_[0]}{$_[1]} = $_[2];	3181	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2191	} else {	3182	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2192	$DB->{$_[0]} = $_[1];
2193	}
2194	db_dirty;
2195	}
2196		3183
2197	cf::global->attach (	3184	cf::cede_to_tick;
2198	prio => 10000,
2199	on_cleanup => sub {
2200	db_sync;
2201	},	3185	}
2202	);
2203	}
2204		3186
2205	#############################################################################	3187	while (my ($face, $info) = each %$faces) {
2206	# the server's main()	3188	next unless $info->{smooth};
2207		3189
2208	sub cfg_load {	3190	my $idx = cf::face::find $face
		3191	or next;
		3192
		3193	if (my $smooth = cf::face::find $info->{smooth}) {
		3194	cf::face::set_smooth $idx, $smooth;
		3195	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3196	} else {
		3197	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3198	}
		3199
		3200	cf::cede_to_tick;
		3201	}
		3202	}
		3203
		3204	{
		3205	my $anims = $facedata->{animinfo};
		3206
		3207	while (my ($anim, $info) = each %$anims) {
		3208	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3209	cf::cede_to_tick;
		3210	}
		3211
		3212	cf::anim::invalidate_all; # d'oh
		3213	}
		3214
		3215	{
		3216	# TODO: for gcfclient pleasure, we should give resources
		3217	# that gcfclient doesn't grok a >10000 face index.
		3218	my $res = $facedata->{resource};
		3219
		3220	while (my ($name, $info) = each %$res) {
		3221	if (defined $info->{type}) {
		3222	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3223	my $data;
		3224
		3225	if ($info->{type} & 1) {
		3226	# prepend meta info
		3227
		3228	my $meta = $enc->encode ({
		3229	name => $name,
		3230	%{ $info->{meta} || {} },
		3231	});
		3232
		3233	$data = pack "(w/a*)*", $meta, $info->{data};
		3234	} else {
		3235	$data = $info->{data};
		3236	}
		3237
		3238	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3239	cf::face::set_type $idx, $info->{type};
		3240	} else {
		3241	$RESOURCE{$name} = $info;
		3242	}
		3243
		3244	cf::cede_to_tick;
		3245	}
		3246	}
		3247
		3248	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3249
		3250	1
		3251	}
		3252
		3253	cf::global->attach (on_resource_update => sub {
		3254	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3255	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3256
		3257	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3258	my $sound = $soundconf->{compat}[$_]
		3259	or next;
		3260
		3261	my $face = cf::face::find "sound/$sound->[1]";
		3262	cf::sound::set $sound->[0] => $face;
		3263	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3264	}
		3265
		3266	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3267	my $face = cf::face::find "sound/$v";
		3268	cf::sound::set $k => $face;
		3269	}
		3270	}
		3271	});
		3272
		3273	register_exticmd fx_want => sub {
		3274	my ($ns, $want) = @_;
		3275
		3276	while (my ($k, $v) = each %$want) {
		3277	$ns->fx_want ($k, $v);
		3278	}
		3279	};
		3280
		3281	sub reload_regions {
		3282	# HACK to clear player env face cache, we need some signal framework
		3283	# for this (global event?)
		3284	%ext::player_env::MUSIC_FACE_CACHE = ();
		3285
		3286	load_resource_file "$MAPDIR/regions"
		3287	or die "unable to load regions file\n";
		3288
		3289	for (cf::region::list) {
		3290	$_->{match} = qr/$_->{match}/
		3291	if exists $_->{match};
		3292	}
		3293	}
		3294
		3295	sub reload_facedata {
		3296	load_facedata "$DATADIR/facedata"
		3297	or die "unable to load facedata\n";
		3298	}
		3299
		3300	sub reload_archetypes {
		3301	load_resource_file "$DATADIR/archetypes"
		3302	or die "unable to load archetypes\n";
		3303	#d# NEED to laod twice to resolve forward references
		3304	# this really needs to be done in an extra post-pass
		3305	# (which needs to be synchronous, so solve it differently)
		3306	load_resource_file "$DATADIR/archetypes"
		3307	or die "unable to load archetypes\n";
		3308	}
		3309
		3310	sub reload_treasures {
		3311	load_resource_file "$DATADIR/treasures"
		3312	or die "unable to load treasurelists\n";
		3313	}
		3314
		3315	sub reload_resources {
		3316	warn "reloading resource files...\n";
		3317
		3318	reload_regions;
		3319	reload_facedata;
		3320	#reload_archetypes;#d#
		3321	reload_archetypes;
		3322	reload_treasures;
		3323
		3324	warn "finished reloading resource files\n";
		3325	}
		3326
		3327	sub init {
		3328	reload_resources;
		3329	}
		3330
		3331	sub reload_config {
2209	open my $fh, "<:utf8", cf::confdir . "/config"	3332	open my $fh, "<:utf8", "$CONFDIR/config"
2210	or return;	3333	or return;
2211		3334
2212	local $/;	3335	local $/;
2213	*CFG = YAML::Syck::Load <$fh>;	3336	*CFG = YAML::Load <$fh>;
2214		3337
2215	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2216		3339
2217	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3340	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2218	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3341	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2229	sub main {	3352	sub main {
2230	# we must not ever block the main coroutine	3353	# we must not ever block the main coroutine
2231	local $Coro::idle = sub {	3354	local $Coro::idle = sub {
2232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3355	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2233	(async {	3356	(async {
2234	warn "BP1\n";#d#	3357	$Coro::current->{desc} = "IDLE BUG HANDLER";
2235	Event::one_event;	3358	EV::loop EV::LOOP_ONESHOT;
2236	warn "BP2\n";#d#
2237	})->prio (Coro::PRIO_MAX);	3359	})->prio (Coro::PRIO_MAX);
2238	};	3360	};
2239		3361
2240	cfg_load;	3362	reload_config;
2241	db_load;	3363	db_init;
2242	load_extensions;	3364	load_extensions;
		3365
		3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3367	evthread_start;
2243	Event::loop;	3368	EV::loop;
2244	}	3369	}
2245		3370
2246	#############################################################################	3371	#############################################################################
2247	# initialisation and cleanup	3372	# initialisation and cleanup
2248		3373
2249	# install some emergency cleanup handlers	3374	# install some emergency cleanup handlers
2250	BEGIN {	3375	BEGIN {
		3376	our %SIGWATCHER = ();
2251	for my $signal (qw(INT HUP TERM)) {	3377	for my $signal (qw(INT HUP TERM)) {
2252	Event->signal (	3378	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2253	data => WF_AUTOCANCEL,
2254	signal => $signal,
2255	cb => sub {
2256	cf::cleanup "SIG$signal";	3379	cf::cleanup "SIG$signal";
2257	},
2258	);	3380	};
		3381	}
		3382	}
		3383
		3384	sub write_runtime {
		3385	my $runtime = "$LOCALDIR/runtime";
		3386
		3387	# first touch the runtime file to show we are still running:
		3388	# the fsync below can take a very very long time.
		3389
		3390	IO::AIO::aio_utime $runtime, undef, undef;
		3391
		3392	my $guard = cf::lock_acquire "write_runtime";
		3393
		3394	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3395	or return;
		3396
		3397	my $value = $cf::RUNTIME + 90 + 10;
		3398	# 10 is the runtime save interval, for a monotonic clock
		3399	# 60 allows for the watchdog to kill the server.
		3400
		3401	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3402	and return;
		3403
		3404	# always fsync - this file is important
		3405	aio_fsync $fh
		3406	and return;
		3407
		3408	# touch it again to show we are up-to-date
		3409	aio_utime $fh, undef, undef;
		3410
		3411	close $fh
		3412	or return;
		3413
		3414	aio_rename "$runtime~", $runtime
		3415	and return;
		3416
		3417	warn "runtime file written.\n";
		3418
2259	}	3419	1
2260	}	3420	}
2261		3421
2262	sub emergency_save() {	3422	sub emergency_save() {
2263	my $freeze_guard = cf::freeze_mainloop;	3423	my $freeze_guard = cf::freeze_mainloop;
2264		3424
…		…
2270	# and maps saved/destroyed asynchronously.	3430	# and maps saved/destroyed asynchronously.
2271	warn "begin emergency player save\n";	3431	warn "begin emergency player save\n";
2272	for my $login (keys %cf::PLAYER) {	3432	for my $login (keys %cf::PLAYER) {
2273	my $pl = $cf::PLAYER{$login} or next;	3433	my $pl = $cf::PLAYER{$login} or next;
2274	$pl->valid or next;	3434	$pl->valid or next;
		3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2275	$pl->save;	3436	$pl->save;
2276	}	3437	}
2277	warn "end emergency player save\n";	3438	warn "end emergency player save\n";
2278		3439
2279	warn "begin emergency map save\n";	3440	warn "begin emergency map save\n";
…		…
2281	my $map = $cf::MAP{$path} or next;	3442	my $map = $cf::MAP{$path} or next;
2282	$map->valid or next;	3443	$map->valid or next;
2283	$map->save;	3444	$map->save;
2284	}	3445	}
2285	warn "end emergency map save\n";	3446	warn "end emergency map save\n";
		3447
		3448	warn "begin emergency database checkpoint\n";
		3449	BDB::db_env_txn_checkpoint $DB_ENV;
		3450	warn "end emergency database checkpoint\n";
2286	};	3451	};
2287		3452
2288	warn "leave emergency perl save\n";	3453	warn "leave emergency perl save\n";
2289	}	3454	}
2290		3455
		3456	sub post_cleanup {
		3457	my ($make_core) = @_;
		3458
		3459	warn Carp::longmess "post_cleanup backtrace"
		3460	if $make_core;
		3461	}
		3462
2291	sub reload() {	3463	sub do_reload_perl() {
2292	# can/must only be called in main	3464	# can/must only be called in main
2293	if ($Coro::current != $Coro::main) {	3465	if ($Coro::current != $Coro::main) {
2294	warn "can only reload from main coroutine\n";	3466	warn "can only reload from main coroutine";
2295	return;	3467	return;
2296	}	3468	}
2297		3469
2298	warn "reloading...";	3470	warn "reloading...";
2299		3471
2300	warn "freezing server";	3472	warn "entering sync_job";
2301	my $guard = freeze_mainloop;	3473
		3474	cf::sync_job {
		3475	cf::write_runtime; # external watchdog should not bark
2302	cf::emergency_save;	3476	cf::emergency_save;
		3477	cf::write_runtime; # external watchdog should not bark
2303		3478
2304	warn "sync database to disk";	3479	warn "syncing database to disk";
2305	cf::db_sync;	3480	BDB::db_env_txn_checkpoint $DB_ENV;
2306	IO::AIO::flush;
2307		3481
2308	eval {
2309	# if anything goes wrong in here, we should simply crash as we already saved	3482	# if anything goes wrong in here, we should simply crash as we already saved
2310		3483
2311	warn "cancel all watchers";	3484	warn "flushing outstanding aio requests";
2312	for (Event::all_watchers) {	3485	for (;;) {
2313	$_->cancel if $_->data & WF_AUTOCANCEL;	3486	BDB::flush;
		3487	IO::AIO::flush;
		3488	Coro::cede_notself;
		3489	last unless IO::AIO::nreqs || BDB::nreqs;
		3490	warn "iterate...";
2314	}	3491	}
2315		3492
		3493	++$RELOAD;
		3494
2316	warn "cancel all extension coros";	3495	warn "cancelling all extension coros";
2317	$_->cancel for values %EXT_CORO;	3496	$_->cancel for values %EXT_CORO;
2318	%EXT_CORO = ();	3497	%EXT_CORO = ();
2319		3498
2320	warn "remove commands";	3499	warn "removing commands";
2321	%COMMAND = ();	3500	%COMMAND = ();
2322		3501
2323	warn "remove ext commands";	3502	warn "removing ext/exti commands";
2324	%EXTCMD = ();	3503	%EXTCMD = ();
		3504	%EXTICMD = ();
2325		3505
2326	warn "unload/nuke all extensions";	3506	warn "unloading/nuking all extensions";
2327	for my $pkg (@EXTS) {	3507	for my $pkg (@EXTS) {
2328	warn "... unloading $pkg";	3508	warn "... unloading $pkg";
2329		3509
2330	if (my $cb = $pkg->can ("unload")) {	3510	if (my $cb = $pkg->can ("unload")) {
2331	eval {	3511	eval {
…		…
2336		3516
2337	warn "... nuking $pkg";	3517	warn "... nuking $pkg";
2338	Symbol::delete_package $pkg;	3518	Symbol::delete_package $pkg;
2339	}	3519	}
2340		3520
2341	warn "unload all perl modules loaded from $LIBDIR";	3521	warn "unloading all perl modules loaded from $LIBDIR";
2342	while (my ($k, $v) = each %INC) {	3522	while (my ($k, $v) = each %INC) {
2343	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3523	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2344		3524
2345	warn "removing <$k>";	3525	warn "... unloading $k";
2346	delete $INC{$k};	3526	delete $INC{$k};
2347		3527
2348	$k =~ s/\.pm$//;	3528	$k =~ s/\.pm$//;
2349	$k =~ s/\//::/g;	3529	$k =~ s/\//::/g;
2350		3530
…		…
2353	}	3533	}
2354		3534
2355	Symbol::delete_package $k;	3535	Symbol::delete_package $k;
2356	}	3536	}
2357		3537
2358	warn "get rid of safe::, as good as possible";	3538	warn "getting rid of safe::, as good as possible";
2359	Symbol::delete_package "safe::$_"	3539	Symbol::delete_package "safe::$_"
2360	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3540	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2361		3541
2362	warn "unload cf.pm \"a bit\"";	3542	warn "unloading cf.pm \"a bit\"";
2363	delete $INC{"cf.pm"};	3543	delete $INC{"cf.pm"};
		3544	delete $INC{"cf/pod.pm"};
2364		3545
2365	# don't, removes xs symbols, too,	3546	# don't, removes xs symbols, too,
2366	# and global variables created in xs	3547	# and global variables created in xs
2367	#Symbol::delete_package __PACKAGE__;	3548	#Symbol::delete_package __PACKAGE__;
2368		3549
		3550	warn "unload completed, starting to reload now";
		3551
2369	warn "reloading cf.pm";	3552	warn "reloading cf.pm";
2370	require cf;	3553	require cf;
2371	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2372		3555
2373	warn "load config and database again";	3556	warn "loading config and database again";
2374	cf::cfg_load;	3557	cf::reload_config;
2375	cf::db_load;
2376		3558
2377	warn "load extensions";	3559	warn "loading extensions";
2378	cf::load_extensions;	3560	cf::load_extensions;
2379		3561
2380	warn "reattach attachments to objects/players";	3562	warn "reattaching attachments to objects/players";
2381	_global_reattach;	3563	_global_reattach; # objects, sockets
2382	warn "reattach attachments to maps";	3564	warn "reattaching attachments to maps";
2383	reattach $_ for values %MAP;	3565	reattach $_ for values %MAP;
		3566	warn "reattaching attachments to players";
		3567	reattach $_ for values %PLAYER;
		3568
		3569	warn "leaving sync_job";
		3570
		3571	1
		3572	} or do {
		3573	warn $@;
		3574	cf::cleanup "error while reloading, exiting.";
2384	};	3575	};
2385
2386	if ($@) {
2387	warn $@;
2388	warn "error while reloading, exiting.";
2389	exit 1;
2390	}
2391		3576
2392	warn "reloaded";	3577	warn "reloaded";
2393	};	3578	};
2394		3579
2395	our $RELOAD_WATCHER; # used only during reload	3580	our $RELOAD_WATCHER; # used only during reload
2396		3581
		3582	sub reload_perl() {
		3583	# doing reload synchronously and two reloads happen back-to-back,
		3584	# coro crashes during coro_state_free->destroy here.
		3585
		3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3587	do_reload_perl;
		3588	undef $RELOAD_WATCHER;
		3589	};
		3590	}
		3591
2397	register_command "reload" => sub {	3592	register_command "reload" => sub {
2398	my ($who, $arg) = @_;	3593	my ($who, $arg) = @_;
2399		3594
2400	if ($who->flag (FLAG_WIZ)) {	3595	if ($who->flag (FLAG_WIZ)) {
2401	$who->message ("reloading server.");	3596	$who->message ("reloading server.");
2402		3597	async {
2403	# doing reload synchronously and two reloads happen back-to-back,	3598	$Coro::current->{desc} = "perl_reload";
2404	# coro crashes during coro_state_free->destroy here.
2405
2406	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2407	reload;	3599	reload_perl;
2408	undef $RELOAD_WATCHER;
2409	});	3600	};
2410	}	3601	}
2411	};	3602	};
2412		3603
2413	unshift @INC, $LIBDIR;	3604	unshift @INC, $LIBDIR;
2414		3605
2415	$TICK_WATCHER = Event->timer (	3606	my $bug_warning = 0;
2416	reentrant => 0,
2417	prio => 0,
2418	at => $NEXT_TICK || $TICK,
2419	data => WF_AUTOCANCEL,
2420	cb => sub {
2421	$NOW = Event::time;
2422		3607
		3608	our @WAIT_FOR_TICK;
		3609	our @WAIT_FOR_TICK_BEGIN;
		3610
		3611	sub wait_for_tick {
		3612	return if tick_inhibit;
		3613	return if $Coro::current == $Coro::main;
		3614
		3615	my $signal = new Coro::Signal;
		3616	push @WAIT_FOR_TICK, $signal;
		3617	$signal->wait;
		3618	}
		3619
		3620	sub wait_for_tick_begin {
		3621	return if tick_inhibit;
		3622	return if $Coro::current == $Coro::main;
		3623
		3624	my $signal = new Coro::Signal;
		3625	push @WAIT_FOR_TICK_BEGIN, $signal;
		3626	$signal->wait;
		3627	}
		3628
		3629	sub tick {
		3630	if ($Coro::current != $Coro::main) {
		3631	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3632	unless ++$bug_warning > 10;
		3633	return;
		3634	}
		3635
2423	cf::server_tick; # one server iteration	3636	cf::server_tick; # one server iteration
2424	$RUNTIME += $TICK;
2425	$NEXT_TICK += $TICK;
2426		3637
2427	$WAIT_FOR_TICK->broadcast;	3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2428	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2429		3640	Coro::async_pool {
2430	# if we are delayed by four ticks or more, skip them all	3641	$Coro::current->{desc} = "runtime saver";
2431	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2432
2433	$TICK_WATCHER->at ($NEXT_TICK);
2434	$TICK_WATCHER->start;
2435	},
2436	);
2437
2438	IO::AIO::max_poll_time $TICK * 0.2;
2439
2440	$AIO_POLL_WATCHER = Event->io (
2441	fd => IO::AIO::poll_fileno,
2442	poll => 'r',
2443	prio => 5,
2444	data => WF_AUTOCANCEL,
2445	cb => \&IO::AIO::poll_cb,
2446	);
2447
2448	$WRITE_RUNTIME_WATCHER = Event->timer (
2449	data => WF_AUTOCANCEL,
2450	after => 0,
2451	interval => 10,
2452	cb => sub {
2453	(Coro::unblock_sub {
2454	write_runtime	3642	write_runtime
2455	or warn "ERROR: unable to write runtime file: $!";	3643	or warn "ERROR: unable to write runtime file: $!";
2456	})->();	3644	};
2457	},	3645	}
2458	);	3646
		3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3648	$sig->send;
		3649	}
		3650	while (my $sig = shift @WAIT_FOR_TICK) {
		3651	$sig->send;
		3652	}
		3653
		3654	$LOAD = ($NOW - $TICK_START) / $TICK;
		3655	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3656
		3657	if (0) {
		3658	if ($NEXT_TICK) {
		3659	my $jitter = $TICK_START - $NEXT_TICK;
		3660	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3661	warn "jitter $JITTER\n";#d#
		3662	}
		3663	}
		3664	}
		3665
		3666	{
		3667	# configure BDB
		3668
		3669	BDB::min_parallel 8;
		3670	BDB::max_poll_reqs $TICK * 0.1;
		3671	$Coro::BDB::WATCHER->priority (1);
		3672
		3673	unless ($DB_ENV) {
		3674	$DB_ENV = BDB::db_env_create;
		3675	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3676	| BDB::LOG_AUTOREMOVE, 1);
		3677	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3678	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3679
		3680	cf::sync_job {
		3681	eval {
		3682	BDB::db_env_open
		3683	$DB_ENV,
		3684	$BDBDIR,
		3685	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3686	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3687	0666;
		3688
		3689	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3690	};
		3691
		3692	cf::cleanup "db_env_open(db): $@" if $@;
		3693	};
		3694	}
		3695
		3696	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3697	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3698	};
		3699	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3700	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3701	};
		3702	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3703	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3704	};
		3705	}
		3706
		3707	{
		3708	# configure IO::AIO
		3709
		3710	IO::AIO::min_parallel 8;
		3711	IO::AIO::max_poll_time $TICK * 0.1;
		3712	$Coro::AIO::WATCHER->priority (1);
		3713	}
		3714
		3715	my $_log_backtrace;
		3716
		3717	sub _log_backtrace {
		3718	my ($msg, @addr) = @_;
		3719
		3720	$msg =~ s/\n//;
		3721
		3722	# limit the # of concurrent backtraces
		3723	if ($_log_backtrace < 2) {
		3724	++$_log_backtrace;
		3725	async {
		3726	$Coro::current->{desc} = "abt $msg";
		3727
		3728	my @bt = fork_call {
		3729	@addr = map { sprintf "%x", $_ } @addr;
		3730	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3731	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3732	or die "addr2line: $!";
		3733
		3734	my @funcs;
		3735	my @res = <$fh>;
		3736	chomp for @res;
		3737	while (@res) {
		3738	my ($func, $line) = splice @res, 0, 2, ();
		3739	push @funcs, "[$func] $line";
		3740	}
		3741
		3742	@funcs
		3743	};
		3744
		3745	LOG llevInfo, "[ABT] $msg\n";
		3746	LOG llevInfo, "[ABT] $_\n" for @bt;
		3747	--$_log_backtrace;
		3748	};
		3749	} else {
		3750	LOG llevInfo, "[ABT] $msg\n";
		3751	LOG llevInfo, "[ABT] [suppressed]\n";
		3752	}
		3753	}
		3754
		3755	# load additional modules
		3756	use cf::pod;
2459		3757
2460	END { cf::emergency_save }	3758	END { cf::emergency_save }
2461		3759
2462	1	3760	1
2463		3761

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