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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.364 by root, Tue Sep 11 08:41:11 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
24	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
48	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
49	our @EVENT;	62	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		63
52	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
53	our $TICK_WATCHER;	77	our $TICK_WATCHER;
54	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	80	our $NEXT_TICK;
57	our $NOW;	81	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
59		83
60	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	87	our $DB_ENV;
62		88
63	our %CFG;	89	our %CFG;
64		90
65	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	92	our $RUNTIME;
67		93
68	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	96	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		97
77	# used to convert map paths into valid unix filenames by replacing / by ∕	98	# used to convert map paths into valid unix filenames by replacing / by ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		100
		101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		102	our $LOADAVG; # same thing, but with alpha-smoothing
		103	our $tick_start; # for load detecting purposes
		104
80	binmode STDOUT;	105	binmode STDOUT;
81	binmode STDERR;	106	binmode STDERR;
82		107
83	# read virtual server time, if available	108	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
88	}	113	}
89		114
90	mkdir cf::localdir;	115	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		117
97	our $EMERGENCY_POSITION;	118	our $EMERGENCY_POSITION;
98		119
99	sub cf::map::normalise;	120	sub cf::map::normalise;
100		121
…		…
111	=item $cf::RUNTIME	132	=item $cf::RUNTIME
112		133
113	The time this server has run, starts at 0 and is increased by $cf::TICK on	134	The time this server has run, starts at 0 and is increased by $cf::TICK on
114	every server tick.	135	every server tick.
115		136
116	=item $cf::LIBDIR	137	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		138	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		139	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
117		140
118	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
119	be found. It will be added to C<@INC> automatically.	142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		143	unique-items directory, player file directory, random maps directory and
		144	database environment.
120		145
121	=item $cf::NOW	146	=item $cf::NOW
122		147
123	The time of the last (current) server tick.	148	The time of the last (current) server tick.
124		149
125	=item $cf::TICK	150	=item $cf::TICK
126		151
127	The interval between server ticks, in seconds.	152	The interval between server ticks, in seconds.
		153
		154	=item $cf::LOADAVG
		155
		156	The current CPU load on the server (alpha-smoothed), as a value between 0
		157	(none) and 1 (overloaded), indicating how much time is spent on processing
		158	objects per tick. Healthy values are < 0.5.
		159
		160	=item $cf::LOAD
		161
		162	The raw value load value from the last tick.
128		163
129	=item %cf::CFG	164	=item %cf::CFG
130		165
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/crossfire/config>, or
132	from wherever your confdir points to.	167	from wherever your confdir points to.
133		168
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		170
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	172	returns directly I<after> the tick processing (and consequently, can only wake one process
138	processing has been done. Call C<< ->wait >> on them to maximise the	173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
139	window of cpu time available, or simply to synchronise to the server tick.	174
		175	=item @cf::INVOKE_RESULTS
		176
		177	This array contains the results of the last C<invoke ()> call. When
		178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		179	that call.
140		180
141	=back	181	=back
142		182
143	=cut	183	=cut
144		184
145	BEGIN {	185	BEGIN {
146	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	187	my $msg = join "", @_;
148	utf8::encode $msg;
149		188
150	$msg .= "\n"	189	$msg .= "\n"
151	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
152		193
153	LOG llevError, $msg;	194	LOG llevError, $msg;
154	};	195	};
155	}	196	}
156		197
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	202	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		203	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
162	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	204	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
163		205
164	# we bless all objects into (empty) derived classes to force a method lookup	206	# we bless all objects into (empty) derived classes to force a method lookup
165	# within the Safe compartment.	207	# within the Safe compartment.
166	for my $pkg (qw(	208	for my $pkg (qw(
167	cf::global cf::attachable	209	cf::global cf::attachable
…		…
175	}	217	}
176		218
177	$Event::DIED = sub {	219	$Event::DIED = sub {
178	warn "error in event callback: @_";	220	warn "error in event callback: @_";
179	};	221	};
		222
		223	#############################################################################
180		224
181	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
182		226
183	=over 4	227	=over 4
184		228
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	248	$d
205	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
206	}	250	}
207		251
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	252	=item $ref = cf::from_json $json
211		253
212	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
213		255
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	256	=item $json = cf::to_json $ref
222		257
223	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
224		259
225	=cut	260	=cut
226		261
227	sub to_json($) {	262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	263
229	JSON::Syck::Dump $_[0]	264	sub to_json ($) { $json_coder->encode ($_[0]) }
230	}	265	sub from_json ($) { $json_coder->decode ($_[0]) }
231		266
232	=item cf::lock_wait $string	267	=item cf::lock_wait $string
233		268
234	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
235		270
…		…
238	Wait until the given lock is available and then acquires it and returns	273	Wait until the given lock is available and then acquires it and returns
239	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
240	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
241	returned.	276	returned.
242		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
243	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
245		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
246	=cut	288	=cut
247		289
248	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
249		292
250	sub lock_wait($) {	293	sub lock_wait($) {
251	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
252		300
253	# wait for lock, if any	301	# wait for lock, if any
254	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;	304	Coro::schedule;
…		…
262		310
263	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
264	lock_wait $key;	312	lock_wait $key;
265		313
266	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
267		316
268	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
269	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
271	}	321	}
		322	}
		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
272	}	328	}
273		329
274	sub freeze_mainloop {	330	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
276		332
…		…
279	};	335	};
280	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
281	$guard	337	$guard
282	}	338	}
283		339
		340	=item cf::get_slot $time[, $priority[, $name]]
		341
		342	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		343	This call blocks and returns only when you have at least C<$time> seconds
		344	of cpu time till the next tick. The slot is only valid till the next cede.
		345
		346	The optional C<$name> can be used to identify the job to run. It might be
		347	used for statistical purposes and should identify the same time-class.
		348
		349	Useful for short background jobs.
		350
		351	=cut
		352
		353	our @SLOT_QUEUE;
		354	our $SLOT_QUEUE;
		355
		356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		357	$SLOT_QUEUE = Coro::async {
		358	my $signal = new Coro::Signal;
		359
		360	while () {
		361	next_job:
		362	my $avail = cf::till_tick;
		363	if ($avail > 0.01) {
		364	for (0 .. $#SLOT_QUEUE) {
		365	if ($SLOT_QUEUE[$_][0] < $avail) {
		366	my $job = splice @SLOT_QUEUE, $_, 1, ();
		367	$job->[2]->send;
		368	Coro::cede;
		369	goto next_job;
		370	}
		371	}
		372	}
		373
		374	if (@SLOT_QUEUE) {
		375	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		376	push @cf::WAIT_FOR_TICK, $signal;
		377	$signal->wait;
		378	} else {
		379	Coro::schedule;
		380	}
		381	}
		382	};
		383
		384	sub get_slot($;$$) {
		385	my ($time, $pri, $name) = @_;
		386
		387	$time = $TICK * .6 if $time > $TICK * .6;
		388	my $sig = new Coro::Signal;
		389
		390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		392	$SLOT_QUEUE->ready;
		393	$sig->wait;
		394	}
		395
284	=item cf::async { BLOCK }	396	=item cf::async { BLOCK }
285		397
286	Currently the same as Coro::async_pool, meaning you cannot use	398	Currently the same as Coro::async_pool, meaning you cannot use
287	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	399	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
288	thing you are allowed to do is call C<prio> on it.	400	thing you are allowed to do is call C<prio> on it.
…		…
291		403
292	BEGIN { *async = \&Coro::async_pool }	404	BEGIN { *async = \&Coro::async_pool }
293		405
294	=item cf::sync_job { BLOCK }	406	=item cf::sync_job { BLOCK }
295		407
296	The design of crossfire+ requires that the main coro ($Coro::main) is	408	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	409	is always able to handle events or runnable, as Crossfire TRT is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	410	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		411	acceptable.
299		412
300	If it must be done, put the blocking parts into C<sync_job>. This will run	413	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	414	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	415	server will be frozen during this time, so the block should either finish
303	fast or be very important.	416	fast or be very important.
…		…
306		419
307	sub sync_job(&) {	420	sub sync_job(&) {
308	my ($job) = @_;	421	my ($job) = @_;
309		422
310	if ($Coro::current == $Coro::main) {	423	if ($Coro::current == $Coro::main) {
		424	my $time = Event::time;
		425
311	# this is the main coro, too bad, we have to block	426	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	427	# till the operation succeeds, freezing the server :/
313		428
314	# TODO: use suspend/resume instead	429	# TODO: use suspend/resume instead
315	# (but this is cancel-safe)	430	# (but this is cancel-safe)
…		…
326		441
327	while ($busy) {	442	while ($busy) {
328	Coro::cede or Event::one_event;	443	Coro::cede or Event::one_event;
329	}	444	}
330		445
		446	$time = Event::time - $time;
		447
		448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		450
		451	$tick_start += $time; # do not account sync jobs to server load
		452
331	wantarray ? @res : $res[0]	453	wantarray ? @res : $res[0]
332	} else {	454	} else {
333	# we are in another coroutine, how wonderful, everything just works	455	# we are in another coroutine, how wonderful, everything just works
334		456
335	$job->()	457	$job->()
…		…
354	$EXT_CORO{$coro+0} = $coro;	476	$EXT_CORO{$coro+0} = $coro;
355		477
356	$coro	478	$coro
357	}	479	}
358		480
359	sub write_runtime {	481	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		482
362	my $runtime = cf::localdir . "/runtime";	483	Executes the given code block with the given arguments in a seperate
		484	process, returning the results. Everything must be serialisable with
		485	Coro::Storable. May, of course, block. Note that the executed sub may
		486	never block itself or use any form of Event handling.
363		487
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	488	=cut
365	or return;
366		489
367	my $value = $cf::RUNTIME + 90 + 10;	490	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	491	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		492
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	493	# we seemingly have to make a local copy of the whole thing,
372	and return;	494	# otherwise perl prematurely frees the stuff :/
		495	# TODO: investigate and fix (likely this will be rather laborious)
373		496
374	# always fsync - this file is important	497	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	498	reset_signals;
376	and return;	499	&$cb
		500	}, @args;
377		501
378	close $fh	502	wantarray ? @res : $res[-1]
379	or return;	503	}
380		504
381	aio_rename "$runtime~", $runtime	505	=item $value = cf::db_get $family => $key
382	and return;
383		506
		507	Returns a single value from the environment database.
		508
		509	=item cf::db_put $family => $key => $value
		510
		511	Stores the given C<$value> in the family. It can currently store binary
		512	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		513
		514	=item $db = cf::db_table "name"
		515
		516	Create and/or open a new database table. The string must not be "db" and must be unique
		517	within each server.
		518
		519	=cut
		520
		521	sub db_table($) {
		522	my ($name) = @_;
		523	my $db = BDB::db_create $DB_ENV;
		524
		525	eval {
		526	$db->set_flags (BDB::CHKSUM);
		527
		528	utf8::encode $name;
		529	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		530	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		531	cf::cleanup "db_open(db): $!" if $!;
		532	};
		533	cf::cleanup "db_open(db): $@" if $@;
		534
		535	$db
		536	}
		537
		538	our $DB;
		539
		540	sub db_init {
		541	cf::sync_job {
		542	$DB ||= db_table "db";
		543	};
		544	}
		545
		546	sub db_get($$) {
		547	my $key = "$_[0]/$_[1]";
		548
		549	cf::sync_job {
		550	BDB::db_get $DB, undef, $key, my $data;
		551
		552	$! ? ()
		553	: $data
384	1	554	}
		555	}
		556
		557	sub db_put($$$) {
		558	BDB::dbreq_pri 4;
		559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		560	}
		561
		562	=item cf::cache $id => [$paths...], $processversion => $process
		563
		564	Generic caching function that returns the value of the resource $id,
		565	caching and regenerating as required.
		566
		567	This function can block.
		568
		569	=cut
		570
		571	sub cache {
		572	my ($id, $src, $processversion, $process) = @_;
		573
		574	my $meta =
		575	join "\x00",
		576	$processversion,
		577	map {
		578	aio_stat $_
		579	and Carp::croak "$_: $!";
		580
		581	($_, (stat _)[7,9])
		582	} @$src;
		583
		584	my $dbmeta = db_get cache => "$id/meta";
		585	if ($dbmeta ne $meta) {
		586	# changed, we may need to process
		587
		588	my @data;
		589	my $md5;
		590
		591	for (0 .. $#$src) {
		592	0 <= aio_load $src->[$_], $data[$_]
		593	or Carp::croak "$src->[$_]: $!";
		594	}
		595
		596	# if processing is expensive, check
		597	# checksum first
		598	if (1) {
		599	$md5 =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	cf::cede_to_tick;
		604	($src->[$_], Digest::MD5::md5_hex $data[$_])
		605	} 0.. $#$src;
		606
		607
		608	my $dbmd5 = db_get cache => "$id/md5";
		609	if ($dbmd5 eq $md5) {
		610	db_put cache => "$id/meta", $meta;
		611
		612	return db_get cache => "$id/data";
		613	}
		614	}
		615
		616	my $t1 = Time::HiRes::time;
		617	my $data = $process->(\@data);
		618	my $t2 = Time::HiRes::time;
		619
		620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		621
		622	db_put cache => "$id/data", $data;
		623	db_put cache => "$id/md5" , $md5;
		624	db_put cache => "$id/meta", $meta;
		625
		626	return $data;
		627	}
		628
		629	db_get cache => "$id/data"
		630	}
		631
		632	=item cf::datalog type => key => value, ...
		633
		634	Log a datalog packet of the given type with the given key-value pairs.
		635
		636	=cut
		637
		638	sub datalog($@) {
		639	my ($type, %kv) = @_;
		640	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	641	}
386		642
387	=back	643	=back
388		644
389	=cut	645	=cut
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	652	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
398		654
399	In the following description, CLASS can be any of C<global>, C<object>	655	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	656	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	657	Crossfire TRT).
402		658
403	=over 4	659	=over 4
404		660
405	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
406		662
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
570		826
571	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		831
576	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	833	my $pkg = shift @arg;
578		834
579	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
609	}	865	}
610		866
611	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
612	} else {	868	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	870	}
615		871
616	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
617	}	873	}
618		874
…		…
620	if (ref $_[0]) {	876	if (ref $_[0]) {
621	_object_attach @_;	877	_object_attach @_;
622	} else {	878	} else {
623	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
624	}	880	}
		881	_recalc_want;
625	};	882	};
626		883
627	# all those should be optimised	884	# all those should be optimised
628	sub cf::attachable::detach {	885	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
633	reattach ($obj);	890	reattach ($obj);
634	} else {	891	} else {
635	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
636	}	893	}
		894	_recalc_want;
637	};	895	};
638		896
639	sub cf::attachable::attached {	897	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
641		899
…		…
656	";	914	";
657	die if $@;	915	die if $@;
658	}	916	}
659		917
660	our $override;	918	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	919	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		920
663	sub override {	921	sub override {
664	$override = 1;	922	$override = 1;
665	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
666	}	924	}
667		925
668	sub do_invoke {	926	sub do_invoke {
669	my $event = shift;	927	my $event = shift;
670	my $callbacks = shift;	928	my $callbacks = shift;
671		929
672	@invoke_results = ();	930	@INVOKE_RESULTS = ();
673		931
674	local $override;	932	local $override;
675		933
676	for (@$callbacks) {	934	for (@$callbacks) {
677	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
694		952
695	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
696		954
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	955	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	956	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		958
701	=back	959	=back
702		960
703	=cut	961	=cut
704		962
705	#############################################################################	963	#############################################################################
706	# object support	964	# object support
		965	#
		966
		967	sub _can_merge {
		968	my ($ob1, $ob2) = @_;
		969
		970	local $Storable::canonical = 1;
		971	my $fob1 = Storable::freeze $ob1;
		972	my $fob2 = Storable::freeze $ob2;
		973
		974	$fob1 eq $fob2
		975	}
707		976
708	sub reattach {	977	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	979	my ($obj) = @_;
711		980
…		…
756	);	1025	);
757		1026
758	sub object_freezer_save {	1027	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
760		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
761	sync_job {	1032	sync_job {
762	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
765		1037
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1041	aio_fsync $fh if $cf::USE_FSYNC;
…		…
788	}	1060	}
789	} else {	1061	} else {
790	aio_unlink $filename;	1062	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
792	}	1064	}
793	}	1065	};
		1066
		1067	undef $guard;
794	}	1068	}
795		1069
796	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
798		1072
…		…
803		1077
804	sub object_thawer_load {	1078	sub object_thawer_load {
805	my ($filename) = @_;	1079	my ($filename) = @_;
806		1080
807	my ($data, $av);	1081	my ($data, $av);
		1082
		1083	my $guard = cf::lock_acquire "io";
808		1084
809	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
810	or return;	1086	or return;
811		1087
812	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
814	or return;	1090	or return;
		1091
		1092	undef $guard;
815	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1094	}
817		1095
		1096	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1098	$decname, length $data, scalar @{$av || []};
		1099
820	return ($data, $av);	1100	($data, $av)
821	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
822		1108
823	#############################################################################	1109	#############################################################################
824	# command handling &c	1110	# command handling &c
825		1111
826	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1126	}
841		1127
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1129
844	Register a callbackf ro execution when the client sends an extcmd packet.	1130	Register a callback for execution when the client sends an (synchronous)
		1131	extcmd packet. Ext commands will be processed in the order they are
		1132	received by the server, like other user commands. The first argument is
		1133	the logged-in player. Ext commands can only be processed after a player
		1134	has logged in successfully.
845		1135
846	If the callback returns something, it is sent back as if reply was being	1136	If the callback returns something, it is sent back as if reply was being
847	called.	1137	called.
848		1138
		1139	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1140
		1141	Register a callback for execution when the client sends an (asynchronous)
		1142	exticmd packet. Exti commands are processed by the server as soon as they
		1143	are received, i.e. out of order w.r.t. other commands. The first argument
		1144	is a client socket. Exti commands can be received anytime, even before
		1145	log-in.
		1146
		1147	If the callback returns something, it is sent back as if reply was being
		1148	called.
		1149
849	=cut	1150	=cut
850		1151
851	sub register_extcmd {	1152	sub register_extcmd {
852	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
853		1154
854	$EXTCMD{$name} = $cb;	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
855	}	1162	}
856		1163
857	cf::player->attach (	1164	cf::player->attach (
858	on_command => sub {	1165	on_command => sub {
859	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1175	cf::override;
869	},	1176	},
870	on_extcmd => sub {	1177	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
872		1179
873	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1181
875	if (ref $msg) {	1182	if (ref $msg) {
		1183	my ($type, $reply, @payload) =
		1184	"ARRAY" eq ref $msg
		1185	? @$msg
		1186	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1187
		1188	my @reply;
		1189
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
881	} else {	1197	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1199	}
884		1200
885	cf::override;	1201	cf::override;
886	},	1202	},
887	);	1203	);
888		1204
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
924	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1210	next unless -r $path;
926	eval {	1211
927	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
928	1	1269	}
929	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
930	}	1275	};
931	}	1276	}
932		1277
933	#############################################################################	1278	#############################################################################
934		1279
		1280	=back
		1281
935	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
936		1283
937	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
938		1285
939	=cut	1286	=cut
…		…
944		1291
945	=head3 cf::player	1292	=head3 cf::player
946		1293
947	=over 4	1294	=over 4
948		1295
		1296	=item cf::player::num_playing
		1297
		1298	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1299
		1300	=cut
		1301
		1302	sub num_playing {
		1303	scalar grep
		1304	$_->ob->map
		1305	&& !$_->hidden
		1306	&& !$_->ob->flag (cf::FLAG_WIZ),
		1307	cf::player::list
		1308	}
		1309
949	=item cf::player::find $login	1310	=item cf::player::find $login
950		1311
951	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
952		1313
953	=cut	1314	=cut
954		1315
955	sub playerdir($) {	1316	sub playerdir($) {
956	cf::localdir	1317	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1318	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1319	}
962		1320
963	sub path($) {	1321	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1322	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1323
966	(playerdir $login) . "/$login.pl"	1324	(playerdir $login) . "/playerdata"
967	}	1325	}
968		1326
969	sub find_active($) {	1327	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1328	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1329	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1342	my $login = $_[0];
985		1343
986	my $guard = cf::lock_acquire "user_find:$login";	1344	my $guard = cf::lock_acquire "user_find:$login";
987		1345
988	$cf::PLAYER{$_[0]} || do {	1346	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1347	# rename old playerfiles to new ones
		1348	#TODO: remove when no longer required
		1349	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1350	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1351	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1352	aio_unlink +(playerdir $login) . "/$login.pl";
		1353
		1354	my $f = new_from_file cf::object::thawer path $login
990	or return;	1355	or return;
		1356
		1357	$f->next;
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
992	}	1363	}
993	}	1364	}
994	}	1365	}
995		1366
…		…
1005		1376
1006	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1008		1379
1009	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1010	Coro::cede;	1381	cf::cede_to_tick;
1011	}	1382	}
1012		1383
1013	sub new($) {	1384	sub new($) {
1014	my ($login) = @_;	1385	my ($login) = @_;
1015		1386
…		…
1019	$self->{deny_save} = 1;	1390	$self->{deny_save} = 1;
1020		1391
1021	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1022		1393
1023	$self	1394	$self
		1395	}
		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
1024	}	1405	}
1025		1406
1026	=item $pl->quit_character	1407	=item $pl->quit_character
1027		1408
1028	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
…		…
1077	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1078		1459
1079	=cut	1460	=cut
1080		1461
1081	sub list_logins {	1462	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1464	or return [];
1084		1465
1085	my @logins;	1466	my @logins;
1086		1467
1087	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1091		1477
1092	utf8::decode $login;	1478	utf8::decode $login;
1093	push @logins, $login;	1479	push @logins, $login;
1094	}	1480	}
1095		1481
…		…
1122	}	1508	}
1123		1509
1124	\@paths	1510	\@paths
1125	}	1511	}
1126		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1128		1565
1129	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1130		1567
1131	=cut	1568	=cut
1132		1569
1133	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1135		1572
1136	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1574	}
1140		1575
1141	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1142		1616
1143	=back	1617	=back
1144
1145		1618
1146	=head3 cf::map	1619	=head3 cf::map
1147		1620
1148	=over 4	1621	=over 4
1149		1622
…		…
1204	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1205		1678
1206	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1207	local $self->{path};	1680	local $self->{path};
1208	local $self->{load_path};	1681	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1682
1212	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1213	}	1684	}
1214		1685
1215	sub normalise {	1686	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1263	return $self;	1734	return $self;
1264	}	1735	}
1265	}	1736	}
1266		1737
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1739	()
1269	}	1740	}
1270		1741
1271	sub init {	1742	sub init {
1272	my ($self) = @_;	1743	my ($self) = @_;
…		…
1287		1758
1288	# the original (read-only) location	1759	# the original (read-only) location
1289	sub load_path {	1760	sub load_path {
1290	my ($self) = @_;	1761	my ($self) = @_;
1291		1762
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1293	}	1764	}
1294		1765
1295	# the temporary/swap location	1766	# the temporary/swap location
1296	sub save_path {	1767	sub save_path {
1297	my ($self) = @_;	1768	my ($self) = @_;
1298		1769
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1301	}	1772	}
1302		1773
1303	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1304	sub uniq_path {	1775	sub uniq_path {
1305	my ($self) = @_;	1776	my ($self) = @_;
1306		1777
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1309	}	1780	}
1310		1781
1311	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1312	# all maps in C++...	1783	# all maps in C++...
1313	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1315		1786
1316	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1318	}	1789	}
1319		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1320	sub unlink_save {	1799	sub unlink_save {
1321	my ($self) = @_;	1800	my ($self) = @_;
1322		1801
1323	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1327		1806
1328	sub load_header_from($) {	1807	sub load_header_from($) {
1329	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1330		1809
1331	utf8::encode $path;	1810	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1337		1819
1338	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1339		1821
1340	1	1822	1
1341	}	1823	}
…		…
1380	$self->load_header_orig	1862	$self->load_header_orig
1381	or return;	1863	or return;
1382	$self->prepare_orig;	1864	$self->prepare_orig;
1383	}	1865	}
1384		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
		1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
		1872
1385	1	1873	1
1386	}	1874	}
1387		1875
1388	sub find;	1876	sub find;
1389	sub find {	1877	sub find {
1390	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1391		1879
1392	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1393		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1395		1884
1396	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1398	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1399	or return;	1890	or return;
1400		1891
1401	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1402		1893
1403	$map->load_header	1894	$map->load_header
1404	or return;	1895	or return;
1405		1896
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1409	$map->reset;	1902	$map->reset;
1410	undef $guard;
1411	return find $path;	1903	return find $path;
1412	}	1904	}
1413		1905
1414	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1415	}	1907	}
…		…
1422	my ($self) = @_;	1914	my ($self) = @_;
1423		1915
1424	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1425		1917
1426	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1427	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1428		1922
		1923	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		1925
1431	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1432		1927
1433	$self->alloc;	1928	$self->alloc;
1434		1929
1435	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1436		1932
1437	$self->_load_objects ($self->{load_path}, 1)	1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1438	or return;	1936	or return;
1439		1937
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};	1939	if delete $self->{load_original};
1442		1940
1443	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	1942	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	1945	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1448	}	1949	}
1449	}	1950	}
1450		1951
1451	Coro::cede;	1952	$f->resolve_delayed_derefs;
1452		1953
		1954	cf::cede_to_tick;
1453	# now do the right thing for maps	1955	# now do the right thing for maps
1454	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	1958	unless $self->difficulty;
1464	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1465	$self->activate;	1968	$self->activate;
		1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
		1974	$self->in_memory (cf::MAP_IN_MEMORY);
1466	}	1975	}
1467		1976
1468	$self->post_load;	1977	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	1978	}
1472		1979
1473	sub customise_for {	1980	sub customise_for {
1474	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1475		1982
1476	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	1984	if $self->per_player;
1478		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1479	$self	1989	$self
1480	}	1990	}
1481		1991
1482	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	1993	sub load_neighbours {
1484	my ($map) = @_;	1994	my ($map) = @_;
1485		1995
1486	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1487		1997
1488	for (0 .. 3) {	1998	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1490	or next;	2000	or next;
1491	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1492	or next;	2002	or next;
1493	$neigh->load;	2003	$neigh->load;
1494		2004
		2005	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2008	}
1498		2009
1499	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1501	or next;	2013	or next;
1502	$neigh->load;	2014	$neigh->load;
1503	}	2015	}
1504	}	2016	}
1505		2017
…		…
1510	}	2022	}
1511		2023
1512	sub do_load_sync {	2024	sub do_load_sync {
1513	my ($map) = @_;	2025	my ($map) = @_;
1514		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1515	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1516	}	2031	}
1517		2032
1518	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1520		2035
1521	sub find_async {	2036	sub find_async {
1522	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1523		2038
1524	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1525		2040
1526	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1528	}	2043	}
1529		2044
1530	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1531	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1532	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2050	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2051	$map->load if $v;
		2052	}
1537		2053
1538	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1539	}	2055	}
1540	}	2056	}
1541	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1542	};	2058	};
1543	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2062	}
1547		2063
1548	sub save {	2064	sub save {
1549	my ($self) = @_;	2065	my ($self) = @_;
1550		2066
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2068
1553	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1554		2070
1555	return unless $self->dirty;	2071	return unless $self->dirty;
1556		2072
…		…
1579	my ($self) = @_;	2095	my ($self) = @_;
1580		2096
1581	# save first because save cedes	2097	# save first because save cedes
1582	$self->save;	2098	$self->save;
1583		2099
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2101
1586	return if $self->players;	2102	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};	2104	return if $self->{deny_save};
1589		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2110	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2111	}
1593		2112
1594	sub reset_at {	2113	sub reset_at {
1595	my ($self) = @_;	2114	my ($self) = @_;
1596		2115
1597	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1600		2118
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2121
…		…
1614	my ($self) = @_;	2132	my ($self) = @_;
1615		2133
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2135
1618	return if $self->players;	2136	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2137
1621	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
1622		2139
1623	$self->in_memory (cf::MAP_SWAPPED);	2140	$self->in_memory (cf::MAP_SWAPPED);
1624		2141
1625	# need to save uniques path	2142	# need to save uniques path
1626	unless ($self->{deny_save}) {	2143	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2147	if $uniq;
1631	}	2148	}
1632		2149
1633	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1634		2151
		2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2154	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2155
1639	$self->unlink_save;	2156	$self->unlink_save;
1640	$self->destroy;	2157	$self->destroy;
1641	}	2158	}
1642		2159
1643	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1644		2161
1645	sub nuke {	2162	sub nuke {
1646	my ($self) = @_;	2163	my ($self) = @_;
1647		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1648	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1649		2169
1650	$self->unlink_save;	2170	$self->unlink_save;
1651		2171
1652	bless $self, "cf::map";	2172	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2177
1658	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1659		2180
1660	$self->reset; # polite request, might not happen	2181	$self->reset; # polite request, might not happen
		2182	}
		2183
		2184	=item $maps = cf::map::tmp_maps
		2185
		2186	Returns an arrayref with all map paths of currently instantiated and saved
		2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
		2192	[
		2193	map {
		2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
		2200	}
		2201
		2202	=item $maps = cf::map::random_maps
		2203
		2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
		2206
		2207	=cut
		2208
		2209	sub random_maps() {
		2210	[
		2211	map {
		2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
1661	}	2218	}
1662		2219
1663	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1664		2221
1665	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2223	instantiated unique items. May block.
1667		2224
1668	=cut	2225	=cut
1669		2226
1670	sub unique_maps() {	2227	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1672	or return;	2229	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2230	utf8::decode $_;
1678	next if /\.pst$/;	2231	/\.map$/
1679	next unless /^$PATH_SEP/o;	2232	? normalise $_
1680		2233	: ()
1681	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2235	]
1683
1684	\@paths
1685	}	2236	}
1686		2237
1687	package cf;	2238	package cf;
1688		2239
1689	=back	2240	=back
…		…
1707	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1708	}	2259	}
1709		2260
1710	sub inv_recursive {	2261	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2262	inv_recursive_ inv $_[0]
		2263	}
		2264
		2265	=item $ref = $ob->ref
		2266
		2267	creates and returns a persistent reference to an objetc that can be stored as a string.
		2268
		2269	=item $ob = cf::object::deref ($refstring)
		2270
		2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2272	even if the object actually exists. May block.
		2273
		2274	=cut
		2275
		2276	sub deref {
		2277	my ($ref) = @_;
		2278
		2279	# temporary compatibility#TODO#remove
		2280	$ref =~ s{^<}{player/<};
		2281
		2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1712	}	2294	}
1713		2295
1714	package cf;	2296	package cf;
1715		2297
1716	=back	2298	=back
…		…
1735		2317
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2319
1738	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1740	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1743	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1744	}	2345	}
1745		2346
1746	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1747		2348
1748	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1795	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1796		2397
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2399
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1801		2402
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2404	}
1804		2405
1805	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1807		2410
1808	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1809		2412
1810	unless ($map) {	2413	unless ($map) {
1811	# restore original map position	2414	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1828		2431
1829	$map->load;	2432	$map->load;
1830	$map->load_diag;	2433	$map->load_neighbours;
1831		2434
1832	return unless $self->contr->active;	2435	return unless $self->contr->active;
1833	$self->activate_recursive;	2436	$self->activate_recursive;
1834		2437
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1837	}	2440	}
1838		2441
1839	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2443
1843	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1847	};	2448	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2449
1853	# try to abort aborted map switching on player login :)
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1874		2453
1875	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2459
1878	$self->enter_link;	2460	$self->enter_link;
1879		2461
1880	(async {	2462	(async {
1881	my $map = eval {	2463	my $map = eval {
1882	my $map = cf::map::find $path;	2464	my $map = cf::map::find $path;
		2465
		2466	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2467	$map = $map->customise_for ($self);
		2468	$map = $check->($map) if $check && $map;
		2469	} else {
		2470	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2471	}
		2472
1884	$map	2473	$map
		2474	};
		2475
		2476	if ($@) {
		2477	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2478	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2479	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2480
		2481	if ($gen == $self->{_goto_generation}) {
		2482	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2483	$self->leave_link ($map, $x, $y);
		2484	}
		2485
		2486	$done->() if $done;
1889	})->prio (1);	2487	})->prio (1);
1890	}	2488	}
1891		2489
1892	=item $player_object->enter_exit ($exit_object)	2490	=item $player_object->enter_exit ($exit_object)
1893		2491
…		…
1932		2530
1933	$rmp->{random_seed} ||= $exit->random_seed;	2531	$rmp->{random_seed} ||= $exit->random_seed;
1934		2532
1935	my $data = cf::to_json $rmp;	2533	my $data = cf::to_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2534	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2535	my $meta = "$RANDOMDIR/$md5.meta";
1938		2536
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2537	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2538	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2539	undef $fh;
1942	aio_rename "$meta~", $meta;	2540	aio_rename "$meta~", $meta;
…		…
1951		2549
1952	return unless $self->type == cf::PLAYER;	2550	return unless $self->type == cf::PLAYER;
1953		2551
1954	if ($exit->slaying eq "/!") {	2552	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job	2553	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2554	# the problem is that $exit might not survive long enough
		2555	# so it needs to be done right now, right here
1956	cf::sync_job { prepare_random_map $exit };	2556	cf::sync_job { prepare_random_map $exit };
1957	}	2557	}
1958		2558
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2559	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;	2560	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2561	my $sp = $exit->stats->sp;
1962		2562
1963	$self->enter_link;	2563	$self->enter_link;
		2564
		2565	# if exit is damned, update players death & WoR home-position
		2566	$self->contr->savebed ($slaying, $hp, $sp)
		2567	if $exit->flag (FLAG_DAMNED);
1964		2568
1965	(async {	2569	(async {
1966	$self->deactivate_recursive; # just to be sure	2570	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2571	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2572	$self->goto ($slaying, $hp, $sp);
1969		2573
1970	1;	2574	1;
1971	}) {	2575	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2576	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "I'll try to bring you back to the map you were before. "	2577	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2578	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2579	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2580
1977	warn "ERROR in enter_exit: $@";	2581	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2582	$self->leave_link;
1979	}	2583	}
1980	})->prio (1);	2584	})->prio (1);
…		…
1993		2597
1994	sub cf::client::send_drawinfo {	2598	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2599	my ($self, $text, $flags) = @_;
1996		2600
1997	utf8::encode $text;	2601	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2602	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2603	}
2000		2604
		2605	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2606
		2607	Send a drawinfo or msg packet to the client, formatting the msg for the
		2608	client if neccessary. C<$type> should be a string identifying the type of
		2609	the message, with C<log> being the default. If C<$color> is negative, suppress
		2610	the message unless the client supports the msg packet.
		2611
		2612	=cut
		2613
		2614	our %CHANNEL = (
		2615	"c/identify" => {
		2616	id => "identify",
		2617	title => "Identify",
		2618	reply => undef,
		2619	tooltip => "Items recently identified",
		2620	},
		2621	"c/examine" => {
		2622	id => "examine",
		2623	title => "Examine",
		2624	reply => undef,
		2625	tooltip => "Signs and other items you examined",
		2626	},
		2627	);
		2628
		2629	sub cf::client::send_msg {
		2630	my ($self, $channel, $msg, $color, @extra) = @_;
		2631
		2632	$msg = $self->pl->expand_cfpod ($msg);
		2633
		2634	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2635
		2636	# check predefined channels, for the benefit of C
		2637	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2638
		2639	if (ref $channel) {
		2640	# send meta info to client, if not yet sent
		2641	unless (exists $self->{channel}{$channel->{id}}) {
		2642	$self->{channel}{$channel->{id}} = $channel;
		2643	$self->ext_msg (channel_info => $channel)
		2644	if $self->can_msg;
		2645	}
		2646
		2647	$channel = $channel->{id};
		2648	}
		2649
		2650	return unless @extra || length $msg;
		2651
		2652	if ($self->can_msg) {
		2653	# default colour, mask it out
		2654	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2655	if $color & cf::NDI_DEF;
		2656
		2657	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2658	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2659	} else {
		2660	if ($color >= 0) {
		2661	# replace some tags by gcfclient-compatible ones
		2662	for ($msg) {
		2663	1 while
		2664	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2665	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2666	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2667	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2668	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2669	}
		2670
		2671	$color &= cf::NDI_COLOR_MASK;
		2672
		2673	utf8::encode $msg;
		2674
		2675	if (0 && $msg =~ /\[/) {
		2676	# COMMAND/INFO
		2677	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2678	} else {
		2679	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2680	$self->send_packet ("drawinfo $color $msg")
		2681	}
		2682	}
		2683	}
		2684	}
		2685
		2686	=item $client->ext_msg ($type, @msg)
		2687
		2688	Sends an ext event to the client.
		2689
		2690	=cut
		2691
		2692	sub cf::client::ext_msg($$@) {
		2693	my ($self, $type, @msg) = @_;
		2694
		2695	if ($self->extcmd == 2) {
		2696	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2697	} elsif ($self->extcmd == 1) { # TODO: remove
		2698	push @msg, msgtype => "event_$type";
		2699	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2700	}
		2701	}
		2702
		2703	=item $client->ext_reply ($msgid, @msg)
		2704
		2705	Sends an ext reply to the client.
		2706
		2707	=cut
		2708
		2709	sub cf::client::ext_reply($$@) {
		2710	my ($self, $id, @msg) = @_;
		2711
		2712	if ($self->extcmd == 2) {
		2713	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2714	} elsif ($self->extcmd == 1) {
		2715	#TODO: version 1, remove
		2716	unshift @msg, msgtype => "reply", msgid => $id;
		2717	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2718	}
		2719	}
2001		2720
2002	=item $success = $client->query ($flags, "text", \&cb)	2721	=item $success = $client->query ($flags, "text", \&cb)
2003		2722
2004	Queues a query to the client, calling the given callback with	2723	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2724	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2725	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2726
2008	Queries can fail, so check the return code. Or don't, as queries will become	2727	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2728	become reliable at some point in the future.
2010		2729
2011	=cut	2730	=cut
2012		2731
2013	sub cf::client::query {	2732	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2733	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2741	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2742	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2743
2025	$self->send_packet ($self->{query_queue}[0][0])	2744	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2745	if @{ $self->{query_queue} } == 1;
		2746
		2747	1
2027	}	2748	}
2028		2749
2029	cf::client->attach (	2750	cf::client->attach (
		2751	on_connect => sub {
		2752	my ($ns) = @_;
		2753
		2754	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2755	},
2030	on_reply => sub {	2756	on_reply => sub {
2031	my ($ns, $msg) = @_;	2757	my ($ns, $msg) = @_;
2032		2758
2033	# this weird shuffling is so that direct followup queries	2759	# this weird shuffling is so that direct followup queries
2034	# get handled first	2760	# get handled first
…		…
2046	} else {	2772	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2773	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2774	}
2049	}	2775	}
2050	},	2776	},
		2777	on_exticmd => sub {
		2778	my ($ns, $buf) = @_;
		2779
		2780	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2781
		2782	if (ref $msg) {
		2783	my ($type, $reply, @payload) =
		2784	"ARRAY" eq ref $msg
		2785	? @$msg
		2786	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2787
		2788	my @reply;
		2789
		2790	if (my $cb = $EXTICMD{$type}) {
		2791	@reply = $cb->($ns, @payload);
		2792	}
		2793
		2794	$ns->ext_reply ($reply, @reply)
		2795	if $reply;
		2796
		2797	} else {
		2798	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2799	}
		2800
		2801	cf::override;
		2802	},
2051	);	2803	);
2052		2804
2053	=item $client->async (\&cb)	2805	=item $client->async (\&cb)
2054		2806
2055	Create a new coroutine, running the specified callback. The coroutine will	2807	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	2848	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	2849	our $safe_hole = new Safe::Hole;
2098		2850
2099	$SIG{FPE} = 'IGNORE';	2851	$SIG{FPE} = 'IGNORE';
2100		2852
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2853	$safe->permit_only (Opcode::opset qw(
		2854	:base_core :base_mem :base_orig :base_math
		2855	grepstart grepwhile mapstart mapwhile
		2856	sort time
		2857	));
2102		2858
2103	# here we export the classes and methods available to script code	2859	# here we export the classes and methods available to script code
2104		2860
2105	=pod	2861	=pod
2106		2862
2107	The following fucntions and emthods are available within a safe environment:	2863	The following functions and methods are available within a safe environment:
2108		2864
2109	cf::object contr pay_amount pay_player map	2865	cf::object
		2866	contr pay_amount pay_player map x y force_find force_add
		2867	insert remove name archname title slaying race decrease_ob_nr
		2868
2110	cf::object::player player	2869	cf::object::player
2111	cf::player peaceful	2870	player
2112	cf::map trigger	2871
		2872	cf::player
		2873	peaceful
		2874
		2875	cf::map
		2876	trigger
2113		2877
2114	=cut	2878	=cut
2115		2879
2116	for (	2880	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	2881	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2882	insert remove inv name archname title slaying race
		2883	decrease_ob_nr)],
2118	["cf::object::player" => qw(player)],	2884	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	2885	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	2886	["cf::map" => qw(trigger)],
2121	) {	2887	) {
2122	no strict 'refs';	2888	no strict 'refs';
…		…
2193	=back	2959	=back
2194		2960
2195	=cut	2961	=cut
2196		2962
2197	#############################################################################	2963	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	2964	# the server's init and main functions
2271		2965
2272	sub load_faces {	2966	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	2967	my ($path) = @_;
2274		2968
		2969	# HACK to clear player env face cache, we need some signal framework
		2970	# for this (global event?)
		2971	%ext::player_env::MUSIC_FACE_CACHE = ();
		2972
		2973	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2974
2275	warn "loading faces from $path\n";	2975	warn "loading facedata from $path\n";
2276		2976
2277	my $faces;	2977	my $facedata;
2278	0 < aio_load $path, $faces	2978	0 < aio_load $path, $facedata
2279	or die "$path: $!";	2979	or die "$path: $!";
2280		2980
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	2981	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		2982
		2983	$facedata->{version} == 2
		2984	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2985
		2986	# patch in the exptable
		2987	$facedata->{resource}{"res/exp_table"} = {
		2988	type => FT_RSRC,
		2989	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2990	};
		2991	cf::cede_to_tick;
		2992
		2993	{
		2994	my $faces = $facedata->{faceinfo};
		2995
2285	while (my ($face, $info) = each %$faces) {	2996	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2997	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2998	cf::face::set_visibility $idx, $info->{visibility};
		2999	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3000	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	3001	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3002
		3003	cf::cede_to_tick;
		3004	}
		3005
		3006	while (my ($face, $info) = each %$faces) {
		3007	next unless $info->{smooth};
		3008	my $idx = cf::face::find $face
		3009	or next;
		3010	if (my $smooth = cf::face::find $info->{smooth}) {
		3011	cf::face::set_smooth $idx, $smooth;
		3012	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3013	} else {
		3014	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3015	}
		3016
		3017	cf::cede_to_tick;
		3018	}
		3019	}
		3020
		3021	{
		3022	my $anims = $facedata->{animinfo};
		3023
		3024	while (my ($anim, $info) = each %$anims) {
		3025	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3026	cf::cede_to_tick;
		3027	}
		3028
		3029	cf::anim::invalidate_all; # d'oh
		3030	}
		3031
		3032	{
		3033	# TODO: for gcfclient pleasure, we should give resources
		3034	# that gcfclient doesn't grok a >10000 face index.
		3035	my $res = $facedata->{resource};
		3036
		3037	my $soundconf = delete $res->{"res/sound.conf"};
		3038
		3039	while (my ($name, $info) = each %$res) {
		3040	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3041	my $data;
		3042
		3043	if ($info->{type} & 1) {
		3044	# prepend meta info
		3045
		3046	my $meta = $enc->encode ({
		3047	name => $name,
		3048	%{ $info->{meta} || {} },
		3049	});
		3050
		3051	$data = pack "(w/a*)*", $meta, $info->{data};
		3052	} else {
		3053	$data = $info->{data};
		3054	}
		3055
		3056	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3057	cf::face::set_type $idx, $info->{type};
		3058
		3059	cf::cede_to_tick;
		3060	}
		3061
		3062	if ($soundconf) {
		3063	$soundconf = $enc->decode (delete $soundconf->{data});
		3064
		3065	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3066	my $sound = $soundconf->{compat}[$_]
		3067	or next;
		3068
		3069	my $face = cf::face::find "sound/$sound->[1]";
		3070	cf::sound::set $sound->[0] => $face;
		3071	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3072	}
		3073
		3074	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3075	my $face = cf::face::find "sound/$v";
		3076	cf::sound::set $k => $face;
		3077	}
		3078	}
2290	}	3079	}
2291		3080
2292	1	3081	1
2293	}	3082	}
2294		3083
		3084	register_exticmd fx_want => sub {
		3085	my ($ns, $want) = @_;
		3086
		3087	while (my ($k, $v) = each %$want) {
		3088	$ns->fx_want ($k, $v);
		3089	}
		3090	};
		3091
		3092	sub reload_regions {
		3093	# HACK to clear player env face cache, we need some signal framework
		3094	# for this (global event?)
		3095	%ext::player_env::MUSIC_FACE_CACHE = ();
		3096
		3097	load_resource_file "$MAPDIR/regions"
		3098	or die "unable to load regions file\n";
		3099
		3100	for (cf::region::list) {
		3101	$_->{match} = qr/$_->{match}/
		3102	if exists $_->{match};
		3103	}
		3104	}
		3105
		3106	sub reload_facedata {
		3107	load_facedata "$DATADIR/facedata"
		3108	or die "unable to load facedata\n";
		3109	}
		3110
		3111	sub reload_archetypes {
		3112	load_resource_file "$DATADIR/archetypes"
		3113	or die "unable to load archetypes\n";
		3114	#d# NEED to laod twice to resolve forward references
		3115	# this really needs to be done in an extra post-pass
		3116	# (which needs to be synchronous, so solve it differently)
		3117	load_resource_file "$DATADIR/archetypes"
		3118	or die "unable to load archetypes\n";
		3119	}
		3120
		3121	sub reload_treasures {
		3122	load_resource_file "$DATADIR/treasures"
		3123	or die "unable to load treasurelists\n";
		3124	}
		3125
2295	sub reload_resources {	3126	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3127	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3128
		3129	reload_regions;
2298	load_faces	3130	reload_facedata;
2299	or die "unable to load faces\n";#d#	3131	#reload_archetypes;#d#
		3132	reload_archetypes;
		3133	reload_treasures;
		3134
		3135	warn "finished reloading resource files\n";
2300	}	3136	}
2301		3137
2302	sub init {	3138	sub init {
2303	reload_resources;	3139	reload_resources;
2304	}	3140	}
2305		3141
2306	sub cfg_load {	3142	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3143	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3144	or return;
2309		3145
2310	local $/;	3146	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3147	*CFG = YAML::Syck::Load <$fh>;
2312		3148
…		…
2331	(async {	3167	(async {
2332	Event::one_event;	3168	Event::one_event;
2333	})->prio (Coro::PRIO_MAX);	3169	})->prio (Coro::PRIO_MAX);
2334	};	3170	};
2335		3171
2336	cfg_load;	3172	reload_config;
2337	db_init;	3173	db_init;
2338	load_extensions;	3174	load_extensions;
2339		3175
2340	$TICK_WATCHER->start;	3176	$TICK_WATCHER->start;
2341	Event::loop;	3177	Event::loop;
…		…
2357	},	3193	},
2358	);	3194	);
2359	}	3195	}
2360	}	3196	}
2361		3197
		3198	sub write_runtime {
		3199	my $runtime = "$LOCALDIR/runtime";
		3200
		3201	# first touch the runtime file to show we are still running:
		3202	# the fsync below can take a very very long time.
		3203
		3204	IO::AIO::aio_utime $runtime, undef, undef;
		3205
		3206	my $guard = cf::lock_acquire "write_runtime";
		3207
		3208	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3209	or return;
		3210
		3211	my $value = $cf::RUNTIME + 90 + 10;
		3212	# 10 is the runtime save interval, for a monotonic clock
		3213	# 60 allows for the watchdog to kill the server.
		3214
		3215	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3216	and return;
		3217
		3218	# always fsync - this file is important
		3219	aio_fsync $fh
		3220	and return;
		3221
		3222	# touch it again to show we are up-to-date
		3223	aio_utime $fh, undef, undef;
		3224
		3225	close $fh
		3226	or return;
		3227
		3228	aio_rename "$runtime~", $runtime
		3229	and return;
		3230
		3231	warn "runtime file written.\n";
		3232
		3233	1
		3234	}
		3235
2362	sub emergency_save() {	3236	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3237	my $freeze_guard = cf::freeze_mainloop;
2364		3238
2365	warn "enter emergency perl save\n";	3239	warn "enter emergency perl save\n";
2366		3240
…		…
2397		3271
2398	warn Carp::longmess "post_cleanup backtrace"	3272	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3273	if $make_core;
2400	}	3274	}
2401		3275
2402	sub reload() {	3276	sub do_reload_perl() {
2403	# can/must only be called in main	3277	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3278	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3279	warn "can only reload from main coroutine";
2406	return;	3280	return;
2407	}	3281	}
…		…
2441	%EXT_CORO = ();	3315	%EXT_CORO = ();
2442		3316
2443	warn "removing commands";	3317	warn "removing commands";
2444	%COMMAND = ();	3318	%COMMAND = ();
2445		3319
2446	warn "removing ext commands";	3320	warn "removing ext/exti commands";
2447	%EXTCMD = ();	3321	%EXTCMD = ();
		3322	%EXTICMD = ();
2448		3323
2449	warn "unloading/nuking all extensions";	3324	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3325	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3326	warn "... unloading $pkg";
2452		3327
…		…
2482	Symbol::delete_package "safe::$_"	3357	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3358	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3359
2485	warn "unloading cf.pm \"a bit\"";	3360	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3361	delete $INC{"cf.pm"};
		3362	delete $INC{"cf/pod.pm"};
2487		3363
2488	# don't, removes xs symbols, too,	3364	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3365	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3366	#Symbol::delete_package __PACKAGE__;
2491		3367
…		…
2494	warn "reloading cf.pm";	3370	warn "reloading cf.pm";
2495	require cf;	3371	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3372	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3373
2498	warn "loading config and database again";	3374	warn "loading config and database again";
2499	cf::cfg_load;	3375	cf::reload_config;
2500		3376
2501	warn "loading extensions";	3377	warn "loading extensions";
2502	cf::load_extensions;	3378	cf::load_extensions;
2503		3379
2504	warn "reattaching attachments to objects/players";	3380	warn "reattaching attachments to objects/players";
…		…
2506	warn "reattaching attachments to maps";	3382	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3383	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3384	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3385	reattach $_ for values %PLAYER;
2510		3386
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3387	warn "leaving sync_job";
2515		3388
2516	1	3389	1
2517	} or do {	3390	} or do {
2518	warn $@;	3391	warn $@;
…		…
2523	warn "reloaded";	3396	warn "reloaded";
2524	};	3397	};
2525		3398
2526	our $RELOAD_WATCHER; # used only during reload	3399	our $RELOAD_WATCHER; # used only during reload
2527		3400
		3401	sub reload_perl() {
		3402	# doing reload synchronously and two reloads happen back-to-back,
		3403	# coro crashes during coro_state_free->destroy here.
		3404
		3405	$RELOAD_WATCHER ||= Event->timer (
		3406	reentrant => 0,
		3407	after => 0,
		3408	data => WF_AUTOCANCEL,
		3409	cb => sub {
		3410	do_reload_perl;
		3411	undef $RELOAD_WATCHER;
		3412	},
		3413	);
		3414	}
		3415
2528	register_command "reload" => sub {	3416	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3417	my ($who, $arg) = @_;
2530		3418
2531	if ($who->flag (FLAG_WIZ)) {	3419	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3420	$who->message ("reloading server.");
2533		3421	async { reload_perl };
2534	# doing reload synchronously and two reloads happen back-to-back,
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);
2546	}	3422	}
2547	};	3423	};
2548		3424
2549	unshift @INC, $LIBDIR;	3425	unshift @INC, $LIBDIR;
2550		3426
2551	my $bug_warning = 0;	3427	my $bug_warning = 0;
		3428
		3429	our @WAIT_FOR_TICK;
		3430	our @WAIT_FOR_TICK_BEGIN;
		3431
		3432	sub wait_for_tick {
		3433	return unless $TICK_WATCHER->is_active;
		3434	return if $Coro::current == $Coro::main;
		3435
		3436	my $signal = new Coro::Signal;
		3437	push @WAIT_FOR_TICK, $signal;
		3438	$signal->wait;
		3439	}
		3440
		3441	sub wait_for_tick_begin {
		3442	return unless $TICK_WATCHER->is_active;
		3443	return if $Coro::current == $Coro::main;
		3444
		3445	my $signal = new Coro::Signal;
		3446	push @WAIT_FOR_TICK_BEGIN, $signal;
		3447	$signal->wait;
		3448	}
		3449
		3450	our $stat_fh;
		3451	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
2552		3452
2553	$TICK_WATCHER = Event->timer (	3453	$TICK_WATCHER = Event->timer (
2554	reentrant => 0,	3454	reentrant => 0,
2555	parked => 1,	3455	parked => 1,
2556	prio => 0,	3456	prio => 0,
…		…
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3461	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3462	unless ++$bug_warning > 10;
2563	return;	3463	return;
2564	}	3464	}
2565		3465
		3466	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
		3467
2566	$NOW = Event::time;	3468	$NOW = $tick_start = Event::time;
2567		3469
2568	cf::server_tick; # one server iteration	3470	cf::server_tick; # one server iteration
		3471
2569	$RUNTIME += $TICK;	3472	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	3473	$NEXT_TICK += $TICK;
2571		3474
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3475	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3476	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2575	write_runtime	3478	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	3479	or warn "ERROR: unable to write runtime file: $!";
2577	};	3480	};
2578	}	3481	}
2579		3482
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;	3483	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#	3484	# warn $AFTER - $NOW;#d#
2585		3485
		3486	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3487	$sig->send;
		3488	}
		3489	while (my $sig = shift @WAIT_FOR_TICK) {
		3490	$sig->send;
		3491	}
		3492
		3493	$NOW = Event::time;
		3494
2586	# if we are delayed by four ticks or more, skip them all	3495	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3496	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2588		3497
2589	$TICK_WATCHER->at ($NEXT_TICK);	3498	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;	3499	$TICK_WATCHER->start;
		3500
		3501	$LOAD = ($NOW - $tick_start) / $TICK;
		3502	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3503
		3504	_post_tick;
		3505
		3506	# gather some statistics#d#
		3507	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#
		3508	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#
2591	},	3509	},
2592	);	3510	);
2593		3511
2594	{	3512	{
		3513	BDB::min_parallel 8;
2595	BDB::max_poll_time $TICK * 0.1;	3514	BDB::max_poll_time $TICK * 0.1;
2596	$BDB_POLL_WATCHER = Event->io (	3515	$BDB_POLL_WATCHER = Event->io (
2597	reentrant => 0,	3516	reentrant => 0,
2598	fd => BDB::poll_fileno,	3517	fd => BDB::poll_fileno,
2599	poll => 'r',	3518	poll => 'r',
2600	prio => 0,	3519	prio => 0,
2601	data => WF_AUTOCANCEL,	3520	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,	3521	cb => \&BDB::poll_cb,
2603	);	3522	);
2604	BDB::min_parallel 8;
2605		3523
2606	BDB::set_sync_prepare {	3524	BDB::set_sync_prepare {
2607	my $status;	3525	my $status;
2608	my $current = $Coro::current;	3526	my $current = $Coro::current;
2609	(	3527	(
…		…
2623		3541
2624	cf::sync_job {	3542	cf::sync_job {
2625	eval {	3543	eval {
2626	BDB::db_env_open	3544	BDB::db_env_open
2627	$DB_ENV,	3545	$DB_ENV,
2628	$BDB_ENV_DIR,	3546	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3547	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3548	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3549	0666;
2632		3550
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3551	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634		3552
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3553	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3554	| BDB::LOG_AUTOREMOVE, 1);
2636	$DB_ENV->set_lk_detect;	3555	$DB_ENV->set_lk_detect;
2637	};	3556	};
2638		3557
2639	cf::cleanup "db_env_open(db): $@" if $@;	3558	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	3559	};
2641	}	3560	}
		3561
		3562	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3563	after => 11,
		3564	interval => 60,
		3565	hard => 1,
		3566	prio => 0,
		3567	data => WF_AUTOCANCEL,
		3568	cb => sub {
		3569	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3570	},
		3571	);
		3572	$BDB_TRICKLE_WATCHER = Event->timer (
		3573	after => 5,
		3574	interval => 10,
		3575	hard => 1,
		3576	prio => 0,
		3577	data => WF_AUTOCANCEL,
		3578	cb => sub {
		3579	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3580	},
		3581	);
2642	}	3582	}
2643		3583
2644	{	3584	{
2645	IO::AIO::min_parallel 8;	3585	IO::AIO::min_parallel 8;
2646		3586
…		…
2654	prio => 6,	3594	prio => 6,
2655	cb => \&IO::AIO::poll_cb,	3595	cb => \&IO::AIO::poll_cb,
2656	);	3596	);
2657	}	3597	}
2658		3598
		3599	my $_log_backtrace;
		3600
		3601	sub _log_backtrace {
		3602	my ($msg, @addr) = @_;
		3603
		3604	$msg =~ s/\n//;
		3605
		3606	# limit the # of concurrent backtraces
		3607	if ($_log_backtrace < 2) {
		3608	++$_log_backtrace;
		3609	async {
		3610	my @bt = fork_call {
		3611	@addr = map { sprintf "%x", $_ } @addr;
		3612	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3613	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3614	or die "addr2line: $!";
		3615
		3616	my @funcs;
		3617	my @res = <$fh>;
		3618	chomp for @res;
		3619	while (@res) {
		3620	my ($func, $line) = splice @res, 0, 2, ();
		3621	push @funcs, "[$func] $line";
		3622	}
		3623
		3624	@funcs
		3625	};
		3626
		3627	LOG llevInfo, "[ABT] $msg\n";
		3628	LOG llevInfo, "[ABT] $_\n" for @bt;
		3629	--$_log_backtrace;
		3630	};
		3631	} else {
		3632	LOG llevInfo, "[ABT] $msg\n";
		3633	LOG llevInfo, "[ABT] [suppressed]\n";
		3634	}
		3635	}
		3636
		3637	# load additional modules
		3638	use cf::pod;
		3639
2659	END { cf::emergency_save }	3640	END { cf::emergency_save }
2660		3641
2661	1	3642	1
2662		3643

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