ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.373 by root, Sat Sep 15 15:58:06 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_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	88	our $DB_ENV;
62		89
63	our %CFG;	90	our %CFG;
64		91
65	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	93	our $RUNTIME;
67		94
68	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	97	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		98
77	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
80	binmode STDOUT;	106	binmode STDOUT;
81	binmode STDERR;	107	binmode STDERR;
82		108
83	# read virtual server time, if available	109	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
88	}	114	}
89		115
90	mkdir cf::localdir;	116	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	117	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		118
97	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
98		120
99	sub cf::map::normalise;	121	sub cf::map::normalise;
100		122
…		…
111	=item $cf::RUNTIME	133	=item $cf::RUNTIME
112		134
113	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
114	every server tick.	136	every server tick.
115		137
116	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
117		141
118	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
119	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
120		146
121	=item $cf::NOW	147	=item $cf::NOW
122		148
123	The time of the last (current) server tick.	149	The time of the last (current) server tick.
124		150
125	=item $cf::TICK	151	=item $cf::TICK
126		152
127	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
128		164
129	=item %cf::CFG	165	=item %cf::CFG
130		166
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
132	from wherever your confdir points to.	168	from wherever your confdir points to.
133		169
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		171
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	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	173	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	174	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.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
140		181
141	=back	182	=back
142		183
143	=cut	184	=cut
144		185
145	BEGIN {	186	BEGIN {
146	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	188	my $msg = join "", @_;
148	utf8::encode $msg;
149		189
150	$msg .= "\n"	190	$msg .= "\n"
151	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
152		194
153	LOG llevError, $msg;	195	LOG llevError, $msg;
154	};	196	};
155	}	197	}
156		198
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
162	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
163		206
164	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
165	# within the Safe compartment.	208	# within the Safe compartment.
166	for my $pkg (qw(	209	for my $pkg (qw(
167	cf::global cf::attachable	210	cf::global cf::attachable
…		…
175	}	218	}
176		219
177	$Event::DIED = sub {	220	$Event::DIED = sub {
178	warn "error in event callback: @_";	221	warn "error in event callback: @_";
179	};	222	};
		223
		224	#############################################################################
180		225
181	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
182		227
183	=over 4	228	=over 4
184		229
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	249	$d
205	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
206	}	251	}
207		252
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
211		254
212	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
213		256
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
222		258
223	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
224		260
225	=cut	261	=cut
226		262
227	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
229	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
230	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
231		267
232	=item cf::lock_wait $string	268	=item cf::lock_wait $string
233		269
234	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
235		271
…		…
238	Wait until the given lock is available and then acquires it and returns	274	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,	275	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	276	for example when the coroutine gets canceled), the lock is automatically
241	returned.	277	returned.
242		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
243	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
245		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
246	=cut	289	=cut
247		290
248	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
249		293
250	sub lock_wait($) {	294	sub lock_wait($) {
251	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
252		301
253	# wait for lock, if any	302	# wait for lock, if any
254	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;	305	Coro::schedule;
…		…
262		311
263	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
264	lock_wait $key;	313	lock_wait $key;
265		314
266	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
267		317
268	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
269	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
271	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
272	}	329	}
273		330
274	sub freeze_mainloop {	331	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
276		333
…		…
279	};	336	};
280	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
281	$guard	338	$guard
282	}	339	}
283		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	my $signal = new Coro::Signal;
		360
		361	while () {
		362	next_job:
		363	my $avail = cf::till_tick;
		364	if ($avail > 0.01) {
		365	for (0 .. $#SLOT_QUEUE) {
		366	if ($SLOT_QUEUE[$_][0] < $avail) {
		367	my $job = splice @SLOT_QUEUE, $_, 1, ();
		368	$job->[2]->send;
		369	Coro::cede;
		370	goto next_job;
		371	}
		372	}
		373	}
		374
		375	if (@SLOT_QUEUE) {
		376	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		377	push @cf::WAIT_FOR_TICK, $signal;
		378	$signal->wait;
		379	} else {
		380	Coro::schedule;
		381	}
		382	}
		383	};
		384
		385	sub get_slot($;$$) {
		386	my ($time, $pri, $name) = @_;
		387
		388	$time = $TICK * .6 if $time > $TICK * .6;
		389	my $sig = new Coro::Signal;
		390
		391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		393	$SLOT_QUEUE->ready;
		394	$sig->wait;
		395	}
		396
284	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
285		398
286	Currently the same as Coro::async_pool, meaning you cannot use	399	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	400	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.	401	thing you are allowed to do is call C<prio> on it.
…		…
291		404
292	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
293		406
294	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
295		408
296	The design of crossfire+ requires that the main coro ($Coro::main) is	409	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	410	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.	411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		412	acceptable.
299		413
300	If it must be done, put the blocking parts into C<sync_job>. This will run	414	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	415	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	416	server will be frozen during this time, so the block should either finish
303	fast or be very important.	417	fast or be very important.
…		…
306		420
307	sub sync_job(&) {	421	sub sync_job(&) {
308	my ($job) = @_;	422	my ($job) = @_;
309		423
310	if ($Coro::current == $Coro::main) {	424	if ($Coro::current == $Coro::main) {
		425	my $time = Event::time;
		426
311	# this is the main coro, too bad, we have to block	427	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	428	# till the operation succeeds, freezing the server :/
313		429
314	# TODO: use suspend/resume instead	430	# TODO: use suspend/resume instead
315	# (but this is cancel-safe)	431	# (but this is cancel-safe)
…		…
326		442
327	while ($busy) {	443	while ($busy) {
328	Coro::cede or Event::one_event;	444	Coro::cede or Event::one_event;
329	}	445	}
330		446
		447	$time = Event::time - $time;
		448
		449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		451
		452	$tick_start += $time; # do not account sync jobs to server load
		453
331	wantarray ? @res : $res[0]	454	wantarray ? @res : $res[0]
332	} else {	455	} else {
333	# we are in another coroutine, how wonderful, everything just works	456	# we are in another coroutine, how wonderful, everything just works
334		457
335	$job->()	458	$job->()
…		…
354	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
355		478
356	$coro	479	$coro
357	}	480	}
358		481
359	sub write_runtime {	482	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		483
362	my $runtime = cf::localdir . "/runtime";	484	Executes the given code block with the given arguments in a seperate
		485	process, returning the results. Everything must be serialisable with
		486	Coro::Storable. May, of course, block. Note that the executed sub may
		487	never block itself or use any form of Event handling.
363		488
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	=cut
365	or return;
366		490
367	my $value = $cf::RUNTIME + 90 + 10;	491	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	492	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		493
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	494	# we seemingly have to make a local copy of the whole thing,
372	and return;	495	# otherwise perl prematurely frees the stuff :/
		496	# TODO: investigate and fix (likely this will be rather laborious)
373		497
374	# always fsync - this file is important	498	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	499	reset_signals;
376	and return;	500	&$cb
		501	}, @args;
377		502
378	close $fh	503	wantarray ? @res : $res[-1]
379	or return;	504	}
380		505
381	aio_rename "$runtime~", $runtime	506	=item $value = cf::db_get $family => $key
382	and return;
383		507
		508	Returns a single value from the environment database.
		509
		510	=item cf::db_put $family => $key => $value
		511
		512	Stores the given C<$value> in the family. It can currently store binary
		513	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		514
		515	=item $db = cf::db_table "name"
		516
		517	Create and/or open a new database table. The string must not be "db" and must be unique
		518	within each server.
		519
		520	=cut
		521
		522	sub db_table($) {
		523	my ($name) = @_;
		524	my $db = BDB::db_create $DB_ENV;
		525
		526	eval {
		527	$db->set_flags (BDB::CHKSUM);
		528
		529	utf8::encode $name;
		530	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		531	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		532	cf::cleanup "db_open(db): $!" if $!;
		533	};
		534	cf::cleanup "db_open(db): $@" if $@;
		535
		536	$db
		537	}
		538
		539	our $DB;
		540
		541	sub db_init {
		542	cf::sync_job {
		543	$DB ||= db_table "db";
		544	};
		545	}
		546
		547	sub db_get($$) {
		548	my $key = "$_[0]/$_[1]";
		549
		550	cf::sync_job {
		551	BDB::db_get $DB, undef, $key, my $data;
		552
		553	$! ? ()
		554	: $data
384	1	555	}
		556	}
		557
		558	sub db_put($$$) {
		559	BDB::dbreq_pri 4;
		560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		561	}
		562
		563	=item cf::cache $id => [$paths...], $processversion => $process
		564
		565	Generic caching function that returns the value of the resource $id,
		566	caching and regenerating as required.
		567
		568	This function can block.
		569
		570	=cut
		571
		572	sub cache {
		573	my ($id, $src, $processversion, $process) = @_;
		574
		575	my $meta =
		576	join "\x00",
		577	$processversion,
		578	map {
		579	aio_stat $_
		580	and Carp::croak "$_: $!";
		581
		582	($_, (stat _)[7,9])
		583	} @$src;
		584
		585	my $dbmeta = db_get cache => "$id/meta";
		586	if ($dbmeta ne $meta) {
		587	# changed, we may need to process
		588
		589	my @data;
		590	my $md5;
		591
		592	for (0 .. $#$src) {
		593	0 <= aio_load $src->[$_], $data[$_]
		594	or Carp::croak "$src->[$_]: $!";
		595	}
		596
		597	# if processing is expensive, check
		598	# checksum first
		599	if (1) {
		600	$md5 =
		601	join "\x00",
		602	$processversion,
		603	map {
		604	cf::cede_to_tick;
		605	($src->[$_], Digest::MD5::md5_hex $data[$_])
		606	} 0.. $#$src;
		607
		608
		609	my $dbmd5 = db_get cache => "$id/md5";
		610	if ($dbmd5 eq $md5) {
		611	db_put cache => "$id/meta", $meta;
		612
		613	return db_get cache => "$id/data";
		614	}
		615	}
		616
		617	my $t1 = Time::HiRes::time;
		618	my $data = $process->(\@data);
		619	my $t2 = Time::HiRes::time;
		620
		621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		622
		623	db_put cache => "$id/data", $data;
		624	db_put cache => "$id/md5" , $md5;
		625	db_put cache => "$id/meta", $meta;
		626
		627	return $data;
		628	}
		629
		630	db_get cache => "$id/data"
		631	}
		632
		633	=item cf::datalog type => key => value, ...
		634
		635	Log a datalog packet of the given type with the given key-value pairs.
		636
		637	=cut
		638
		639	sub datalog($@) {
		640	my ($type, %kv) = @_;
		641	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	642	}
386		643
387	=back	644	=back
388		645
389	=cut	646	=cut
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	653	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
398		655
399	In the following description, CLASS can be any of C<global>, C<object>	656	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	657	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	658	Crossfire TRT).
402		659
403	=over 4	660	=over 4
404		661
405	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
406		663
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
570		827
571	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		832
576	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	834	my $pkg = shift @arg;
578		835
579	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
609	}	866	}
610		867
611	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
612	} else {	869	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	871	}
615		872
616	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
617	}	874	}
618		875
…		…
620	if (ref $_[0]) {	877	if (ref $_[0]) {
621	_object_attach @_;	878	_object_attach @_;
622	} else {	879	} else {
623	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
624	}	881	}
		882	_recalc_want;
625	};	883	};
626		884
627	# all those should be optimised	885	# all those should be optimised
628	sub cf::attachable::detach {	886	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
633	reattach ($obj);	891	reattach ($obj);
634	} else {	892	} else {
635	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
636	}	894	}
		895	_recalc_want;
637	};	896	};
638		897
639	sub cf::attachable::attached {	898	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
641		900
…		…
656	";	915	";
657	die if $@;	916	die if $@;
658	}	917	}
659		918
660	our $override;	919	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	920	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		921
663	sub override {	922	sub override {
664	$override = 1;	923	$override = 1;
665	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
666	}	925	}
667		926
668	sub do_invoke {	927	sub do_invoke {
669	my $event = shift;	928	my $event = shift;
670	my $callbacks = shift;	929	my $callbacks = shift;
671		930
672	@invoke_results = ();	931	@INVOKE_RESULTS = ();
673		932
674	local $override;	933	local $override;
675		934
676	for (@$callbacks) {	935	for (@$callbacks) {
677	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
694		953
695	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
696		955
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	956	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	957	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		959
701	=back	960	=back
702		961
703	=cut	962	=cut
704		963
705	#############################################################################	964	#############################################################################
706	# object support	965	# object support
		966	#
		967
		968	sub _can_merge {
		969	my ($ob1, $ob2) = @_;
		970
		971	local $Storable::canonical = 1;
		972	my $fob1 = Storable::freeze $ob1;
		973	my $fob2 = Storable::freeze $ob2;
		974
		975	$fob1 eq $fob2
		976	}
707		977
708	sub reattach {	978	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	980	my ($obj) = @_;
711		981
…		…
758	sub object_freezer_save {	1028	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
760		1030
761	sync_job {	1031	sync_job {
762	if (length $$rdata) {	1032	if (length $$rdata) {
		1033	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1034	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1035	$decname, length $$rdata, scalar @$objs;
765		1036
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1037	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1038	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1039	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1040	aio_fsync $fh if $cf::USE_FSYNC;
…		…
788	}	1059	}
789	} else {	1060	} else {
790	aio_unlink $filename;	1061	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1062	aio_unlink "$filename.pst";
792	}	1063	}
793	}	1064	};
794	}	1065	}
795		1066
796	sub object_freezer_as_string {	1067	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1068	my ($rdata, $objs) = @_;
798		1069
…		…
810	or return;	1081	or return;
811		1082
812	unless (aio_stat "$filename.pst") {	1083	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1084	(aio_load "$filename.pst", $av) >= 0
814	or return;	1085	or return;
		1086
815	$av = eval { (Storable::thaw $av)->{objs} };	1087	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1088	}
817		1089
		1090	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1091	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1092	$decname, length $data, scalar @{$av || []};
		1093
820	return ($data, $av);	1094	($data, $av)
821	}	1095	}
		1096
		1097	=head2 COMMAND CALLBACKS
		1098
		1099	=over 4
		1100
		1101	=cut
822		1102
823	#############################################################################	1103	#############################################################################
824	# command handling &c	1104	# command handling &c
825		1105
826	=item cf::register_command $name => \&callback($ob,$args);	1106	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1119	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1120	}
841		1121
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1122	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1123
844	Register a callbackf ro execution when the client sends an extcmd packet.	1124	Register a callback for execution when the client sends an (synchronous)
		1125	extcmd packet. Ext commands will be processed in the order they are
		1126	received by the server, like other user commands. The first argument is
		1127	the logged-in player. Ext commands can only be processed after a player
		1128	has logged in successfully.
845		1129
846	If the callback returns something, it is sent back as if reply was being	1130	If the callback returns something, it is sent back as if reply was being
847	called.	1131	called.
848		1132
		1133	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1134
		1135	Register a callback for execution when the client sends an (asynchronous)
		1136	exticmd packet. Exti commands are processed by the server as soon as they
		1137	are received, i.e. out of order w.r.t. other commands. The first argument
		1138	is a client socket. Exti commands can be received anytime, even before
		1139	log-in.
		1140
		1141	If the callback returns something, it is sent back as if reply was being
		1142	called.
		1143
849	=cut	1144	=cut
850		1145
851	sub register_extcmd {	1146	sub register_extcmd {
852	my ($name, $cb) = @_;	1147	my ($name, $cb) = @_;
853		1148
854	$EXTCMD{$name} = $cb;	1149	$EXTCMD{$name} = $cb;
		1150	}
		1151
		1152	sub register_exticmd {
		1153	my ($name, $cb) = @_;
		1154
		1155	$EXTICMD{$name} = $cb;
855	}	1156	}
856		1157
857	cf::player->attach (	1158	cf::player->attach (
858	on_command => sub {	1159	on_command => sub {
859	my ($pl, $name, $params) = @_;	1160	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1169	cf::override;
869	},	1170	},
870	on_extcmd => sub {	1171	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1172	my ($pl, $buf) = @_;
872		1173
873	my $msg = eval { from_json $buf };	1174	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1175
875	if (ref $msg) {	1176	if (ref $msg) {
		1177	my ($type, $reply, @payload) =
		1178	"ARRAY" eq ref $msg
		1179	? @$msg
		1180	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1181
		1182	my @reply;
		1183
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1184	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1185	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1186	}
		1187
		1188	$pl->ext_reply ($reply, @reply)
		1189	if $reply;
		1190
881	} else {	1191	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1193	}
884		1194
885	cf::override;	1195	cf::override;
886	},	1196	},
887	);	1197	);
888		1198
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 {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
924	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1204	next unless -r $path;
926	eval {	1205
927	load_extension $ext;	1206	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1207	my $base = $1;
		1208	my $pkg = $1;
		1209	$pkg =~ s/[^[:word:]]/_/g;
		1210	$pkg = "ext::$pkg";
		1211
		1212	open my $fh, "<:utf8", $path
		1213	or die "$path: $!";
		1214
		1215	my $source = do { local $/; <$fh> };
		1216
		1217	my %ext = (
		1218	path => $path,
		1219	base => $base,
		1220	pkg => $pkg,
		1221	);
		1222
		1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1225
		1226	$ext{source} =
		1227	"package $pkg; use strict; use utf8;\n"
		1228	. "#line 1 \"$path\"\n{\n"
		1229	. $source
		1230	. "\n};\n1";
		1231
		1232	$todo{$base} = \%ext;
		1233	}
		1234
		1235	my %done;
		1236	while (%todo) {
		1237	my $progress;
		1238
		1239	while (my ($k, $v) = each %todo) {
		1240	for (split /,\s*/, $v->{meta}{depends}) {
		1241	goto skip
		1242	unless exists $done{$_};
		1243	}
		1244
		1245	warn "... loading '$k' into '$v->{pkg}'\n";
		1246
		1247	unless (eval $v->{source}) {
		1248	my $msg = $@ ? "$v->{path}: $@\n"
		1249	: "$v->{base}: extension inactive.\n";
		1250
		1251	if (exists $v->{meta}{mandatory}) {
		1252	warn $msg;
		1253	warn "mandatory extension failed to load, exiting.\n";
		1254	exit 1;
		1255	}
		1256
		1257	warn $msg;
		1258	}
		1259
		1260	$done{$k} = delete $todo{$k};
		1261	push @EXTS, $v->{pkg};
		1262	$progress = 1;
928	1	1263	}
929	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
930	}	1269	};
931	}	1270	}
932		1271
933	#############################################################################	1272	#############################################################################
934		1273
		1274	=back
		1275
935	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
936		1277
937	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
938		1279
939	=cut	1280	=cut
…		…
944		1285
945	=head3 cf::player	1286	=head3 cf::player
946		1287
947	=over 4	1288	=over 4
948		1289
		1290	=item cf::player::num_playing
		1291
		1292	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1293
		1294	=cut
		1295
		1296	sub num_playing {
		1297	scalar grep
		1298	$_->ob->map
		1299	&& !$_->hidden
		1300	&& !$_->ob->flag (cf::FLAG_WIZ),
		1301	cf::player::list
		1302	}
		1303
949	=item cf::player::find $login	1304	=item cf::player::find $login
950		1305
951	Returns the given player object, loading it if necessary (might block).	1306	Returns the given player object, loading it if necessary (might block).
952		1307
953	=cut	1308	=cut
954		1309
955	sub playerdir($) {	1310	sub playerdir($) {
956	cf::localdir	1311	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1312	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1313	}
962		1314
963	sub path($) {	1315	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1316	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1317
966	(playerdir $login) . "/$login.pl"	1318	(playerdir $login) . "/playerdata"
967	}	1319	}
968		1320
969	sub find_active($) {	1321	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1322	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1323	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1336	my $login = $_[0];
985		1337
986	my $guard = cf::lock_acquire "user_find:$login";	1338	my $guard = cf::lock_acquire "user_find:$login";
987		1339
988	$cf::PLAYER{$_[0]} || do {	1340	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1341	# rename old playerfiles to new ones
		1342	#TODO: remove when no longer required
		1343	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1344	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1345	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1346	aio_unlink +(playerdir $login) . "/$login.pl";
		1347
		1348	my $f = new_from_file cf::object::thawer path $login
990	or return;	1349	or return;
		1350
		1351	my $pl = cf::player::load_pl $f
		1352	or return;
		1353	local $cf::PLAYER_LOADING{$login} = $pl;
		1354	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1355	$cf::PLAYER{$login} = $pl
992	}	1356	}
993	}	1357	}
994	}	1358	}
995		1359
…		…
1005		1369
1006	aio_mkdir playerdir $pl, 0770;	1370	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1371	$pl->{last_save} = $cf::RUNTIME;
1008		1372
1009	$pl->save_pl ($path);	1373	$pl->save_pl ($path);
1010	Coro::cede;	1374	cf::cede_to_tick;
1011	}	1375	}
1012		1376
1013	sub new($) {	1377	sub new($) {
1014	my ($login) = @_;	1378	my ($login) = @_;
1015		1379
…		…
1019	$self->{deny_save} = 1;	1383	$self->{deny_save} = 1;
1020		1384
1021	$cf::PLAYER{$login} = $self;	1385	$cf::PLAYER{$login} = $self;
1022		1386
1023	$self	1387	$self
		1388	}
		1389
		1390	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1391
		1392	=cut
		1393
		1394	sub send_msg {
		1395	my $ns = shift->ns
		1396	or return;
		1397	$ns->send_msg (@_);
1024	}	1398	}
1025		1399
1026	=item $pl->quit_character	1400	=item $pl->quit_character
1027		1401
1028	Nukes the player without looking back. If logged in, the connection will	1402	Nukes the player without looking back. If logged in, the connection will
…		…
1077	while and may block, so not sync_job-capable, ever.	1451	while and may block, so not sync_job-capable, ever.
1078		1452
1079	=cut	1453	=cut
1080		1454
1081	sub list_logins {	1455	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1456	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1457	or return [];
1084		1458
1085	my @logins;	1459	my @logins;
1086		1460
1087	for my $login (@$dirs) {	1461	for my $login (@$dirs) {
		1462	my $path = path $login;
		1463
		1464	# a .pst is a dead give-away for a valid player
		1465	unless (-e "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1466	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1467	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1468	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1469	}
1091		1470
1092	utf8::decode $login;	1471	utf8::decode $login;
1093	push @logins, $login;	1472	push @logins, $login;
1094	}	1473	}
1095		1474
…		…
1122	}	1501	}
1123		1502
1124	\@paths	1503	\@paths
1125	}	1504	}
1126		1505
		1506	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1507
		1508	Expand crossfire pod fragments into protocol xml.
		1509
		1510	=cut
		1511
		1512	sub expand_cfpod {
		1513	((my $self), (local $_)) = @_;
		1514
		1515	# escape & and <
		1516	s/&/&amp;/g;
		1517	s/(?<![BIUGHT])</&lt;/g;
		1518
		1519	# this is buggy, it needs to properly take care of nested <'s
		1520
		1521	1 while
		1522	# replace B<>, I<>, U<> etc.
		1523	s/B<([^\>]*)>/<b>$1<\/b>/
		1524	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1525	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1526	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1527	# replace G<male|female> tags
		1528	|| s{G<([^>|]*)\|([^>]*)>}{
		1529	$self->gender ? $2 : $1
		1530	}ge
		1531	# replace H<hint text>
		1532	|| s{H<([^\>]*)>}
		1533	{
		1534	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1535	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1536	"")
		1537	[$self->{hintmode}]
		1538	}ge;
		1539
		1540	# create single paragraphs (very hackish)
		1541	s/(?<=\S)\n(?=\w)/ /g;
		1542
		1543	# compress some whitespace
		1544	s/\s+\n/\n/g; # ws line-ends
		1545	s/\n\n+/\n/g; # double lines
		1546	s/^\n+//; # beginning lines
		1547	s/\n+$//; # ending lines
		1548
		1549	$_
		1550	}
		1551
		1552	sub hintmode {
		1553	$_[0]{hintmode} = $_[1] if @_ > 1;
		1554	$_[0]{hintmode}
		1555	}
		1556
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1557	=item $player->ext_reply ($msgid, @msg)
1128		1558
1129	Sends an ext reply to the player.	1559	Sends an ext reply to the player.
1130		1560
1131	=cut	1561	=cut
1132		1562
1133	sub ext_reply($$$%) {	1563	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1564	my ($self, $id, @msg) = @_;
1135		1565
1136	$msg{msgid} = $id;	1566	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1567	}
1140		1568
1141	package cf;	1569	=item $player->ext_msg ($type, @msg)
		1570
		1571	Sends an ext event to the client.
		1572
		1573	=cut
		1574
		1575	sub ext_msg($$@) {
		1576	my ($self, $type, @msg) = @_;
		1577
		1578	$self->ns->ext_msg ($type, @msg);
		1579	}
		1580
		1581	=head3 cf::region
		1582
		1583	=over 4
		1584
		1585	=cut
		1586
		1587	package cf::region;
		1588
		1589	=item cf::region::find_by_path $path
		1590
		1591	Tries to decuce the likely region for a map knowing only its path.
		1592
		1593	=cut
		1594
		1595	sub find_by_path($) {
		1596	my ($path) = @_;
		1597
		1598	my ($match, $specificity);
		1599
		1600	for my $region (list) {
		1601	if ($region->{match} && $path =~ $region->{match}) {
		1602	($match, $specificity) = ($region, $region->specificity)
		1603	if $region->specificity > $specificity;
		1604	}
		1605	}
		1606
		1607	$match
		1608	}
1142		1609
1143	=back	1610	=back
1144
1145		1611
1146	=head3 cf::map	1612	=head3 cf::map
1147		1613
1148	=over 4	1614	=over 4
1149		1615
…		…
1204	my ($self, $merge) = @_;	1670	my ($self, $merge) = @_;
1205		1671
1206	# we have to keep some variables in memory intact	1672	# we have to keep some variables in memory intact
1207	local $self->{path};	1673	local $self->{path};
1208	local $self->{load_path};	1674	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1675
1212	$self->SUPER::thawer_merge ($merge);	1676	$self->SUPER::thawer_merge ($merge);
1213	}	1677	}
1214		1678
1215	sub normalise {	1679	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1726	$self->init; # pass $1 etc.
1263	return $self;	1727	return $self;
1264	}	1728	}
1265	}	1729	}
1266		1730
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1731	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1732	()
1269	}	1733	}
1270		1734
1271	sub init {	1735	sub init {
1272	my ($self) = @_;	1736	my ($self) = @_;
…		…
1287		1751
1288	# the original (read-only) location	1752	# the original (read-only) location
1289	sub load_path {	1753	sub load_path {
1290	my ($self) = @_;	1754	my ($self) = @_;
1291		1755
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1756	"$MAPDIR/$self->{path}.map"
1293	}	1757	}
1294		1758
1295	# the temporary/swap location	1759	# the temporary/swap location
1296	sub save_path {	1760	sub save_path {
1297	my ($self) = @_;	1761	my ($self) = @_;
1298		1762
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1763	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1764	"$TMPDIR/$path.map"
1301	}	1765	}
1302		1766
1303	# the unique path, undef == no special unique path	1767	# the unique path, undef == no special unique path
1304	sub uniq_path {	1768	sub uniq_path {
1305	my ($self) = @_;	1769	my ($self) = @_;
1306		1770
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1772	"$UNIQUEDIR/$path"
1309	}	1773	}
1310		1774
1311	# and all this just because we cannot iterate over	1775	# and all this just because we cannot iterate over
1312	# all maps in C++...	1776	# all maps in C++...
1313	sub change_all_map_light {	1777	sub change_all_map_light {
…		…
1315		1779
1316	$_->change_map_light ($change)	1780	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1781	for grep $_->outdoor, values %cf::MAP;
1318	}	1782	}
1319		1783
		1784	sub decay_objects {
		1785	my ($self) = @_;
		1786
		1787	return if $self->{deny_reset};
		1788
		1789	$self->do_decay_objects;
		1790	}
		1791
1320	sub unlink_save {	1792	sub unlink_save {
1321	my ($self) = @_;	1793	my ($self) = @_;
1322		1794
1323	utf8::encode (my $save = $self->save_path);	1795	utf8::encode (my $save = $self->save_path);
1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1796	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1327		1799
1328	sub load_header_from($) {	1800	sub load_header_from($) {
1329	my ($self, $path) = @_;	1801	my ($self, $path) = @_;
1330		1802
1331	utf8::encode $path;	1803	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1804	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1805	or return;
		1806
		1807	$self->_load_header ($f)
		1808	or return;
		1809
		1810	local $MAP_LOADING{$self->{path}} = $self;
		1811	$f->resolve_delayed_derefs;
1337		1812
1338	$self->{load_path} = $path;	1813	$self->{load_path} = $path;
1339		1814
1340	1	1815	1
1341	}	1816	}
…		…
1380	$self->load_header_orig	1855	$self->load_header_orig
1381	or return;	1856	or return;
1382	$self->prepare_orig;	1857	$self->prepare_orig;
1383	}	1858	}
1384		1859
		1860	$self->{deny_reset} = 1
		1861	if $self->no_reset;
		1862
		1863	$self->default_region (cf::region::find_by_path $self->{path})
		1864	unless $self->default_region;
		1865
1385	1	1866	1
1386	}	1867	}
1387		1868
1388	sub find;	1869	sub find;
1389	sub find {	1870	sub find {
1390	my ($path, $origin) = @_;	1871	my ($path, $origin) = @_;
1391		1872
1392	$path = normalise $path, $origin && $origin->path;	1873	$path = normalise $path, $origin && $origin->path;
1393		1874
		1875	cf::lock_wait "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	1876	cf::lock_wait "map_find:$path";
1395		1877
1396	$cf::MAP{$path} || do {	1878	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";	1879	my $guard1 = cf::lock_acquire "map_find:$path";
		1880	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1881
1398	my $map = new_from_path cf::map $path	1882	my $map = new_from_path cf::map $path
1399	or return;	1883	or return;
1400		1884
1401	$map->{last_save} = $cf::RUNTIME;	1885	$map->{last_save} = $cf::RUNTIME;
1402		1886
1403	$map->load_header	1887	$map->load_header
1404	or return;	1888	or return;
1405		1889
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1890	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1891	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1892	#$cf::WAIT_FOR_TICK->wait;
		1893	undef $guard1;
		1894	undef $guard2;
1409	$map->reset;	1895	$map->reset;
1410	undef $guard;
1411	return find $path;	1896	return find $path;
1412	}	1897	}
1413		1898
1414	$cf::MAP{$path} = $map	1899	$cf::MAP{$path} = $map
1415	}	1900	}
…		…
1422	my ($self) = @_;	1907	my ($self) = @_;
1423		1908
1424	local $self->{deny_reset} = 1; # loading can take a long time	1909	local $self->{deny_reset} = 1; # loading can take a long time
1425		1910
1426	my $path = $self->{path};	1911	my $path = $self->{path};
		1912
		1913	{
1427	my $guard = cf::lock_acquire "map_load:$path";	1914	my $guard = cf::lock_acquire "map_data:$path";
1428		1915
		1916	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	1917	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		1918
1431	$self->in_memory (cf::MAP_LOADING);	1919	$self->in_memory (cf::MAP_LOADING);
1432		1920
1433	$self->alloc;	1921	$self->alloc;
1434		1922
1435	$self->pre_load;	1923	$self->pre_load;
		1924	cf::cede_to_tick;
1436		1925
1437	$self->_load_objects ($self->{load_path}, 1)	1926	my $f = new_from_file cf::object::thawer $self->{load_path};
		1927	$f->skip_block;
		1928	$self->_load_objects ($f)
1438	or return;	1929	or return;
1439		1930
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1931	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};	1932	if delete $self->{load_original};
1442		1933
1443	if (my $uniq = $self->uniq_path) {	1934	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	1935	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	1936	unless (aio_stat $uniq) {
		1937	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	1938	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	1939	$self->_load_objects ($f);
		1940	$f->resolve_delayed_derefs;
		1941	}
1448	}	1942	}
1449	}	1943	}
1450		1944
1451	Coro::cede;	1945	$f->resolve_delayed_derefs;
1452		1946
		1947	cf::cede_to_tick;
1453	# now do the right thing for maps	1948	# now do the right thing for maps
1454	$self->link_multipart_objects;	1949	$self->link_multipart_objects;
1455
1456	unless ($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)	1950	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	1951	unless $self->difficulty;
1464	Coro::cede;	1952	cf::cede_to_tick;
		1953
		1954	unless ($self->{deny_activate}) {
		1955	$self->decay_objects;
		1956	$self->fix_auto_apply;
		1957	$self->update_buttons;
		1958	cf::cede_to_tick;
		1959	$self->set_darkness_map;
		1960	cf::cede_to_tick;
1465	$self->activate;	1961	$self->activate;
		1962	}
		1963
		1964	$self->{last_save} = $cf::RUNTIME;
		1965	$self->last_access ($cf::RUNTIME);
		1966
		1967	$self->in_memory (cf::MAP_IN_MEMORY);
1466	}	1968	}
1467		1969
1468	$self->post_load;	1970	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	1971	}
1472		1972
1473	sub customise_for {	1973	sub customise_for {
1474	my ($self, $ob) = @_;	1974	my ($self, $ob) = @_;
1475		1975
1476	return find "~" . $ob->name . "/" . $self->{path}	1976	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	1977	if $self->per_player;
1478		1978
		1979	# return find "?party/" . $ob->name . "/" . $self->{path}
		1980	# if $self->per_party;
		1981
1479	$self	1982	$self
1480	}	1983	}
1481		1984
1482	# find and load all maps in the 3x3 area around a map	1985	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	1986	sub load_neighbours {
1484	my ($map) = @_;	1987	my ($map) = @_;
1485		1988
1486	my @diag; # diagonal neighbours	1989	my @neigh; # diagonal neighbours
1487		1990
1488	for (0 .. 3) {	1991	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	1992	my $neigh = $map->tile_path ($_)
1490	or next;	1993	or next;
1491	$neigh = find $neigh, $map	1994	$neigh = find $neigh, $map
1492	or next;	1995	or next;
1493	$neigh->load;	1996	$neigh->load;
1494		1997
		1998	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1999	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2000	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2001	}
1498		2002
1499	for (@diag) {	2003	for (grep defined $_->[0], @neigh) {
		2004	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2005	my $neigh = find $path, $origin
1501	or next;	2006	or next;
1502	$neigh->load;	2007	$neigh->load;
1503	}	2008	}
1504	}	2009	}
1505		2010
…		…
1510	}	2015	}
1511		2016
1512	sub do_load_sync {	2017	sub do_load_sync {
1513	my ($map) = @_;	2018	my ($map) = @_;
1514		2019
		2020	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2021	if $Coro::current == $Coro::main;
		2022
1515	cf::sync_job { $map->load };	2023	cf::sync_job { $map->load };
1516	}	2024	}
1517		2025
1518	our %MAP_PREFETCH;	2026	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2027	our $MAP_PREFETCHER = undef;
1520		2028
1521	sub find_async {	2029	sub find_async {
1522	my ($path, $origin) = @_;	2030	my ($path, $origin, $load) = @_;
1523		2031
1524	$path = normalise $path, $origin && $origin->{path};	2032	$path = normalise $path, $origin && $origin->{path};
1525		2033
1526	if (my $map = $cf::MAP{$path}) {	2034	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2035	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1528	}	2036	}
1529		2037
1530	undef $MAP_PREFETCH{$path};	2038	$MAP_PREFETCH{$path} |= $load;
		2039
1531	$MAP_PREFETCHER ||= cf::async {	2040	$MAP_PREFETCHER ||= cf::async {
1532	while (%MAP_PREFETCH) {	2041	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2042	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2043	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2044	$map->load if $v;
		2045	}
1537		2046
1538	delete $MAP_PREFETCH{$path};	2047	delete $MAP_PREFETCH{$k};
1539	}	2048	}
1540	}	2049	}
1541	undef $MAP_PREFETCHER;	2050	undef $MAP_PREFETCHER;
1542	};	2051	};
1543	$MAP_PREFETCHER->prio (6);	2052	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2055	}
1547		2056
1548	sub save {	2057	sub save {
1549	my ($self) = @_;	2058	my ($self) = @_;
1550		2059
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2061
1553	$self->{last_save} = $cf::RUNTIME;	2062	$self->{last_save} = $cf::RUNTIME;
1554		2063
1555	return unless $self->dirty;	2064	return unless $self->dirty;
1556		2065
…		…
1579	my ($self) = @_;	2088	my ($self) = @_;
1580		2089
1581	# save first because save cedes	2090	# save first because save cedes
1582	$self->save;	2091	$self->save;
1583		2092
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2094
1586	return if $self->players;	2095	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2096	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};	2097	return if $self->{deny_save};
1589		2098
		2099	$self->in_memory (cf::MAP_SWAPPED);
		2100
		2101	$self->deactivate;
		2102	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2103	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2104	}
1593		2105
1594	sub reset_at {	2106	sub reset_at {
1595	my ($self) = @_;	2107	my ($self) = @_;
1596		2108
1597	# TODO: safety, remove and allow resettable per-player maps	2109	# 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};	2110	return 1e99 if $self->{deny_reset};
1600		2111
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2112	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2113	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2114
…		…
1614	my ($self) = @_;	2125	my ($self) = @_;
1615		2126
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2127	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2128
1618	return if $self->players;	2129	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2130
1621	warn "resetting map ", $self->path;#d#	2131	warn "resetting map ", $self->path;
1622		2132
1623	$self->in_memory (cf::MAP_SWAPPED);	2133	$self->in_memory (cf::MAP_SWAPPED);
1624		2134
1625	# need to save uniques path	2135	# need to save uniques path
1626	unless ($self->{deny_save}) {	2136	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2140	if $uniq;
1631	}	2141	}
1632		2142
1633	delete $cf::MAP{$self->path};	2143	delete $cf::MAP{$self->path};
1634		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2147	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2148
1639	$self->unlink_save;	2149	$self->unlink_save;
1640	$self->destroy;	2150	$self->destroy;
1641	}	2151	}
1642		2152
1643	my $nuke_counter = "aaaa";	2153	my $nuke_counter = "aaaa";
1644		2154
1645	sub nuke {	2155	sub nuke {
1646	my ($self) = @_;	2156	my ($self) = @_;
1647		2157
		2158	{
		2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2160
1648	delete $cf::MAP{$self->path};	2161	delete $cf::MAP{$self->path};
1649		2162
1650	$self->unlink_save;	2163	$self->unlink_save;
1651		2164
1652	bless $self, "cf::map";	2165	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2166	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2167	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2168	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2169	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2170
1658	$cf::MAP{$self->path} = $self;	2171	$cf::MAP{$self->path} = $self;
		2172	}
1659		2173
1660	$self->reset; # polite request, might not happen	2174	$self->reset; # polite request, might not happen
		2175	}
		2176
		2177	=item $maps = cf::map::tmp_maps
		2178
		2179	Returns an arrayref with all map paths of currently instantiated and saved
		2180	maps. May block.
		2181
		2182	=cut
		2183
		2184	sub tmp_maps() {
		2185	[
		2186	map {
		2187	utf8::decode $_;
		2188	/\.map$/
		2189	? normalise $_
		2190	: ()
		2191	} @{ aio_readdir $TMPDIR or [] }
		2192	]
		2193	}
		2194
		2195	=item $maps = cf::map::random_maps
		2196
		2197	Returns an arrayref with all map paths of currently instantiated and saved
		2198	random maps. May block.
		2199
		2200	=cut
		2201
		2202	sub random_maps() {
		2203	[
		2204	map {
		2205	utf8::decode $_;
		2206	/\.map$/
		2207	? normalise "?random/$_"
		2208	: ()
		2209	} @{ aio_readdir $RANDOMDIR or [] }
		2210	]
1661	}	2211	}
1662		2212
1663	=item cf::map::unique_maps	2213	=item cf::map::unique_maps
1664		2214
1665	Returns an arrayref of paths of all shared maps that have	2215	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2216	instantiated unique items. May block.
1667		2217
1668	=cut	2218	=cut
1669		2219
1670	sub unique_maps() {	2220	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2221	[
1672	or return;	2222	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2223	utf8::decode $_;
1678	next if /\.pst$/;	2224	/\.map$/
1679	next unless /^$PATH_SEP/o;	2225	? normalise $_
1680		2226	: ()
1681	push @paths, cf::map::normalise $_;	2227	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2228	]
1683
1684	\@paths
1685	}	2229	}
1686		2230
1687	package cf;	2231	package cf;
1688		2232
1689	=back	2233	=back
…		…
1707	map { $_, inv_recursive_ $_->inv } @_	2251	map { $_, inv_recursive_ $_->inv } @_
1708	}	2252	}
1709		2253
1710	sub inv_recursive {	2254	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2255	inv_recursive_ inv $_[0]
		2256	}
		2257
		2258	=item $ref = $ob->ref
		2259
		2260	creates and returns a persistent reference to an objetc that can be stored as a string.
		2261
		2262	=item $ob = cf::object::deref ($refstring)
		2263
		2264	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2265	even if the object actually exists. May block.
		2266
		2267	=cut
		2268
		2269	sub deref {
		2270	my ($ref) = @_;
		2271
		2272	# temporary compatibility#TODO#remove
		2273	$ref =~ s{^<}{player/<};
		2274
		2275	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2276	my ($uuid, $name) = ($1, $2);
		2277	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2278	or return;
		2279	$pl->ob->uuid eq $uuid
		2280	or return;
		2281
		2282	$pl->ob
		2283	} else {
		2284	warn "$ref: cannot resolve object reference\n";
		2285	undef
		2286	}
1712	}	2287	}
1713		2288
1714	package cf;	2289	package cf;
1715		2290
1716	=back	2291	=back
…		…
1735		2310
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2311	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2312
1738	if ($self->{record_replies}) {	2313	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2314	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2315
1740	} else {	2316	} else {
		2317	my $pl = $self->contr;
		2318
		2319	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2320	my $dialog = $pl->{npc_dialog};
		2321	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2322
		2323	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2324	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2325	$self->message ($msg, $flags);
		2326	}
1743	}	2327	}
		2328	}
		2329
		2330	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2331
		2332	=cut
		2333
		2334	sub cf::object::send_msg {
		2335	my $pl = shift->contr
		2336	or return;
		2337	$pl->send_msg (@_);
1744	}	2338	}
1745		2339
1746	=item $player_object->may ("access")	2340	=item $player_object->may ("access")
1747		2341
1748	Returns wether the given player is authorized to access resource "access"	2342	Returns wether the given player is authorized to access resource "access"
…		…
1795	$self->deactivate_recursive;	2389	$self->deactivate_recursive;
1796		2390
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2391	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2392
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2393	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2394	if $self->map && $self->map->{path} ne "{link}";
1801		2395
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2396	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2397	}
1804		2398
1805	sub cf::object::player::leave_link {	2399	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2400	my ($self, $map, $x, $y) = @_;
		2401
		2402	return unless $self->contr->active;
1807		2403
1808	my $link_pos = delete $self->{_link_pos};	2404	my $link_pos = delete $self->{_link_pos};
1809		2405
1810	unless ($map) {	2406	unless ($map) {
1811	# restore original map position	2407	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2421	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2422	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2423	if $x <=0 && $y <= 0;
1828		2424
1829	$map->load;	2425	$map->load;
1830	$map->load_diag;	2426	$map->load_neighbours;
1831		2427
1832	return unless $self->contr->active;	2428	return unless $self->contr->active;
1833	$self->activate_recursive;	2429	$self->activate_recursive;
1834		2430
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2431	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2432	$self->enter_map ($map, $x, $y);
1837	}	2433	}
1838		2434
1839	cf::player->attach (	2435	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2436
1843	# abort map switching before logout	2437	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2438	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2439	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2440	the new (success) or old (failed) map position. In either case, $done will
1847	};	2441	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2442
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	2443	=cut
		2444
		2445	our $GOTOGEN;
1874		2446
1875	sub cf::object::player::goto {	2447	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2448	my ($self, $path, $x, $y, $check, $done) = @_;
		2449
		2450	# do generation counting so two concurrent goto's will be executed in-order
		2451	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2452
1878	$self->enter_link;	2453	$self->enter_link;
1879		2454
1880	(async {	2455	(async {
		2456	# *tag paths override both path and x|y
		2457	if ($path =~ /^\*(.*)$/) {
		2458	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2459	my $ob = $obs[rand @obs];
		2460
		2461	# see if we actually can go there
		2462	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2463	$ob = $obs[rand @obs];
		2464	} else {
		2465	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2466	}
		2467	# else put us there anyways for now #d#
		2468
		2469	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2470	} else {
		2471	($path, $x, $y) = (undef, undef, undef);
		2472	}
		2473	}
		2474
1881	my $map = eval {	2475	my $map = eval {
1882	my $map = cf::map::find $path;	2476	my $map = defined $path ? cf::map::find $path : undef;
		2477
		2478	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2479	$map = $map->customise_for ($self);
		2480	$map = $check->($map) if $check && $map;
		2481	} else {
		2482	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2483	}
		2484
1884	$map	2485	$map
		2486	};
		2487
		2488	if ($@) {
		2489	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2491	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2492
		2493	if ($gen == $self->{_goto_generation}) {
		2494	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2495	$self->leave_link ($map, $x, $y);
		2496	}
		2497
		2498	$done->() if $done;
1889	})->prio (1);	2499	})->prio (1);
1890	}	2500	}
1891		2501
1892	=item $player_object->enter_exit ($exit_object)	2502	=item $player_object->enter_exit ($exit_object)
1893		2503
…		…
1932		2542
1933	$rmp->{random_seed} ||= $exit->random_seed;	2543	$rmp->{random_seed} ||= $exit->random_seed;
1934		2544
1935	my $data = cf::to_json $rmp;	2545	my $data = cf::to_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2546	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2547	my $meta = "$RANDOMDIR/$md5.meta";
1938		2548
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2549	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2550	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2551	undef $fh;
1942	aio_rename "$meta~", $meta;	2552	aio_rename "$meta~", $meta;
…		…
1951		2561
1952	return unless $self->type == cf::PLAYER;	2562	return unless $self->type == cf::PLAYER;
1953		2563
1954	if ($exit->slaying eq "/!") {	2564	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job	2565	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2566	# the problem is that $exit might not survive long enough
		2567	# so it needs to be done right now, right here
1956	cf::sync_job { prepare_random_map $exit };	2568	cf::sync_job { prepare_random_map $exit };
1957	}	2569	}
1958		2570
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2571	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;	2572	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2573	my $sp = $exit->stats->sp;
1962		2574
1963	$self->enter_link;	2575	$self->enter_link;
		2576
		2577	# if exit is damned, update players death & WoR home-position
		2578	$self->contr->savebed ($slaying, $hp, $sp)
		2579	if $exit->flag (FLAG_DAMNED);
1964		2580
1965	(async {	2581	(async {
1966	$self->deactivate_recursive; # just to be sure	2582	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2583	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2584	$self->goto ($slaying, $hp, $sp);
1969		2585
1970	1;	2586	1;
1971	}) {	2587	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2588	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "I'll try to bring you back to the map you were before. "	2589	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2590	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2591	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2592
1977	warn "ERROR in enter_exit: $@";	2593	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2594	$self->leave_link;
1979	}	2595	}
1980	})->prio (1);	2596	})->prio (1);
…		…
1993		2609
1994	sub cf::client::send_drawinfo {	2610	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2611	my ($self, $text, $flags) = @_;
1996		2612
1997	utf8::encode $text;	2613	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2614	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2615	}
2000		2616
		2617	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2618
		2619	Send a drawinfo or msg packet to the client, formatting the msg for the
		2620	client if neccessary. C<$type> should be a string identifying the type of
		2621	the message, with C<log> being the default. If C<$color> is negative, suppress
		2622	the message unless the client supports the msg packet.
		2623
		2624	=cut
		2625
		2626	our %CHANNEL = (
		2627	"c/identify" => {
		2628	id => "identify",
		2629	title => "Identify",
		2630	reply => undef,
		2631	tooltip => "Items recently identified",
		2632	},
		2633	"c/examine" => {
		2634	id => "examine",
		2635	title => "Examine",
		2636	reply => undef,
		2637	tooltip => "Signs and other items you examined",
		2638	},
		2639	);
		2640
		2641	sub cf::client::send_msg {
		2642	my ($self, $channel, $msg, $color, @extra) = @_;
		2643
		2644	$msg = $self->pl->expand_cfpod ($msg);
		2645
		2646	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2647
		2648	# check predefined channels, for the benefit of C
		2649	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2650
		2651	if (ref $channel) {
		2652	# send meta info to client, if not yet sent
		2653	unless (exists $self->{channel}{$channel->{id}}) {
		2654	$self->{channel}{$channel->{id}} = $channel;
		2655	$self->ext_msg (channel_info => $channel)
		2656	if $self->can_msg;
		2657	}
		2658
		2659	$channel = $channel->{id};
		2660	}
		2661
		2662	return unless @extra || length $msg;
		2663
		2664	if ($self->can_msg) {
		2665	# default colour, mask it out
		2666	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2667	if $color & cf::NDI_DEF;
		2668
		2669	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2670	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2671	} else {
		2672	if ($color >= 0) {
		2673	# replace some tags by gcfclient-compatible ones
		2674	for ($msg) {
		2675	1 while
		2676	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2677	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2678	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2679	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2680	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2681	}
		2682
		2683	$color &= cf::NDI_COLOR_MASK;
		2684
		2685	utf8::encode $msg;
		2686
		2687	if (0 && $msg =~ /\[/) {
		2688	# COMMAND/INFO
		2689	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2690	} else {
		2691	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2692	$self->send_packet ("drawinfo $color $msg")
		2693	}
		2694	}
		2695	}
		2696	}
		2697
		2698	=item $client->ext_msg ($type, @msg)
		2699
		2700	Sends an ext event to the client.
		2701
		2702	=cut
		2703
		2704	sub cf::client::ext_msg($$@) {
		2705	my ($self, $type, @msg) = @_;
		2706
		2707	if ($self->extcmd == 2) {
		2708	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2709	} elsif ($self->extcmd == 1) { # TODO: remove
		2710	push @msg, msgtype => "event_$type";
		2711	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2712	}
		2713	}
		2714
		2715	=item $client->ext_reply ($msgid, @msg)
		2716
		2717	Sends an ext reply to the client.
		2718
		2719	=cut
		2720
		2721	sub cf::client::ext_reply($$@) {
		2722	my ($self, $id, @msg) = @_;
		2723
		2724	if ($self->extcmd == 2) {
		2725	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2726	} elsif ($self->extcmd == 1) {
		2727	#TODO: version 1, remove
		2728	unshift @msg, msgtype => "reply", msgid => $id;
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2730	}
		2731	}
2001		2732
2002	=item $success = $client->query ($flags, "text", \&cb)	2733	=item $success = $client->query ($flags, "text", \&cb)
2003		2734
2004	Queues a query to the client, calling the given callback with	2735	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>,	2736	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>.	2737	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2738
2008	Queries can fail, so check the return code. Or don't, as queries will become	2739	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2740	become reliable at some point in the future.
2010		2741
2011	=cut	2742	=cut
2012		2743
2013	sub cf::client::query {	2744	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2745	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2753	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2754	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2755
2025	$self->send_packet ($self->{query_queue}[0][0])	2756	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2757	if @{ $self->{query_queue} } == 1;
		2758
		2759	1
2027	}	2760	}
2028		2761
2029	cf::client->attach (	2762	cf::client->attach (
		2763	on_connect => sub {
		2764	my ($ns) = @_;
		2765
		2766	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2767	},
2030	on_reply => sub {	2768	on_reply => sub {
2031	my ($ns, $msg) = @_;	2769	my ($ns, $msg) = @_;
2032		2770
2033	# this weird shuffling is so that direct followup queries	2771	# this weird shuffling is so that direct followup queries
2034	# get handled first	2772	# get handled first
…		…
2046	} else {	2784	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2785	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2786	}
2049	}	2787	}
2050	},	2788	},
		2789	on_exticmd => sub {
		2790	my ($ns, $buf) = @_;
		2791
		2792	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2793
		2794	if (ref $msg) {
		2795	my ($type, $reply, @payload) =
		2796	"ARRAY" eq ref $msg
		2797	? @$msg
		2798	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2799
		2800	my @reply;
		2801
		2802	if (my $cb = $EXTICMD{$type}) {
		2803	@reply = $cb->($ns, @payload);
		2804	}
		2805
		2806	$ns->ext_reply ($reply, @reply)
		2807	if $reply;
		2808
		2809	} else {
		2810	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2811	}
		2812
		2813	cf::override;
		2814	},
2051	);	2815	);
2052		2816
2053	=item $client->async (\&cb)	2817	=item $client->async (\&cb)
2054		2818
2055	Create a new coroutine, running the specified callback. The coroutine will	2819	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	2860	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	2861	our $safe_hole = new Safe::Hole;
2098		2862
2099	$SIG{FPE} = 'IGNORE';	2863	$SIG{FPE} = 'IGNORE';
2100		2864
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2865	$safe->permit_only (Opcode::opset qw(
		2866	:base_core :base_mem :base_orig :base_math
		2867	grepstart grepwhile mapstart mapwhile
		2868	sort time
		2869	));
2102		2870
2103	# here we export the classes and methods available to script code	2871	# here we export the classes and methods available to script code
2104		2872
2105	=pod	2873	=pod
2106		2874
2107	The following fucntions and emthods are available within a safe environment:	2875	The following functions and methods are available within a safe environment:
2108		2876
2109	cf::object contr pay_amount pay_player map	2877	cf::object
		2878	contr pay_amount pay_player map x y force_find force_add
		2879	insert remove name archname title slaying race decrease_ob_nr
		2880
2110	cf::object::player player	2881	cf::object::player
2111	cf::player peaceful	2882	player
2112	cf::map trigger	2883
		2884	cf::player
		2885	peaceful
		2886
		2887	cf::map
		2888	trigger
2113		2889
2114	=cut	2890	=cut
2115		2891
2116	for (	2892	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	2893	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2894	insert remove inv name archname title slaying race
		2895	decrease_ob_nr)],
2118	["cf::object::player" => qw(player)],	2896	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	2897	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	2898	["cf::map" => qw(trigger)],
2121	) {	2899	) {
2122	no strict 'refs';	2900	no strict 'refs';
…		…
2193	=back	2971	=back
2194		2972
2195	=cut	2973	=cut
2196		2974
2197	#############################################################################	2975	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$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 $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	2976	# the server's init and main functions
2271		2977
2272	sub load_faces {	2978	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	2979	my ($path) = @_;
2274		2980
		2981	# HACK to clear player env face cache, we need some signal framework
		2982	# for this (global event?)
		2983	%ext::player_env::MUSIC_FACE_CACHE = ();
		2984
		2985	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2986
2275	warn "loading faces from $path\n";	2987	warn "loading facedata from $path\n";
2276		2988
2277	my $faces;	2989	my $facedata;
2278	0 < aio_load $path, $faces	2990	0 < aio_load $path, $facedata
2279	or die "$path: $!";	2991	or die "$path: $!";
2280		2992
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	2993	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		2994
		2995	$facedata->{version} == 2
		2996	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2997
		2998	# patch in the exptable
		2999	$facedata->{resource}{"res/exp_table"} = {
		3000	type => FT_RSRC,
		3001	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3002	};
		3003	cf::cede_to_tick;
		3004
		3005	{
		3006	my $faces = $facedata->{faceinfo};
		3007
2285	while (my ($face, $info) = each %$faces) {	3008	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3009	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3010	cf::face::set_visibility $idx, $info->{visibility};
		3011	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3012	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	3013	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3014
		3015	cf::cede_to_tick;
		3016	}
		3017
		3018	while (my ($face, $info) = each %$faces) {
		3019	next unless $info->{smooth};
		3020	my $idx = cf::face::find $face
		3021	or next;
		3022	if (my $smooth = cf::face::find $info->{smooth}) {
		3023	cf::face::set_smooth $idx, $smooth;
		3024	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3025	} else {
		3026	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3027	}
		3028
		3029	cf::cede_to_tick;
		3030	}
		3031	}
		3032
		3033	{
		3034	my $anims = $facedata->{animinfo};
		3035
		3036	while (my ($anim, $info) = each %$anims) {
		3037	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3038	cf::cede_to_tick;
		3039	}
		3040
		3041	cf::anim::invalidate_all; # d'oh
		3042	}
		3043
		3044	{
		3045	# TODO: for gcfclient pleasure, we should give resources
		3046	# that gcfclient doesn't grok a >10000 face index.
		3047	my $res = $facedata->{resource};
		3048
		3049	my $soundconf = delete $res->{"res/sound.conf"};
		3050
		3051	while (my ($name, $info) = each %$res) {
		3052	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3053	my $data;
		3054
		3055	if ($info->{type} & 1) {
		3056	# prepend meta info
		3057
		3058	my $meta = $enc->encode ({
		3059	name => $name,
		3060	%{ $info->{meta} || {} },
		3061	});
		3062
		3063	$data = pack "(w/a*)*", $meta, $info->{data};
		3064	} else {
		3065	$data = $info->{data};
		3066	}
		3067
		3068	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3069	cf::face::set_type $idx, $info->{type};
		3070
		3071	cf::cede_to_tick;
		3072	}
		3073
		3074	if ($soundconf) {
		3075	$soundconf = $enc->decode (delete $soundconf->{data});
		3076
		3077	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3078	my $sound = $soundconf->{compat}[$_]
		3079	or next;
		3080
		3081	my $face = cf::face::find "sound/$sound->[1]";
		3082	cf::sound::set $sound->[0] => $face;
		3083	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3084	}
		3085
		3086	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3087	my $face = cf::face::find "sound/$v";
		3088	cf::sound::set $k => $face;
		3089	}
		3090	}
2290	}	3091	}
2291		3092
2292	1	3093	1
2293	}	3094	}
2294		3095
		3096	register_exticmd fx_want => sub {
		3097	my ($ns, $want) = @_;
		3098
		3099	while (my ($k, $v) = each %$want) {
		3100	$ns->fx_want ($k, $v);
		3101	}
		3102	};
		3103
		3104	sub reload_regions {
		3105	# HACK to clear player env face cache, we need some signal framework
		3106	# for this (global event?)
		3107	%ext::player_env::MUSIC_FACE_CACHE = ();
		3108
		3109	load_resource_file "$MAPDIR/regions"
		3110	or die "unable to load regions file\n";
		3111
		3112	for (cf::region::list) {
		3113	$_->{match} = qr/$_->{match}/
		3114	if exists $_->{match};
		3115	}
		3116	}
		3117
		3118	sub reload_facedata {
		3119	load_facedata "$DATADIR/facedata"
		3120	or die "unable to load facedata\n";
		3121	}
		3122
		3123	sub reload_archetypes {
		3124	load_resource_file "$DATADIR/archetypes"
		3125	or die "unable to load archetypes\n";
		3126	#d# NEED to laod twice to resolve forward references
		3127	# this really needs to be done in an extra post-pass
		3128	# (which needs to be synchronous, so solve it differently)
		3129	load_resource_file "$DATADIR/archetypes"
		3130	or die "unable to load archetypes\n";
		3131	}
		3132
		3133	sub reload_treasures {
		3134	load_resource_file "$DATADIR/treasures"
		3135	or die "unable to load treasurelists\n";
		3136	}
		3137
2295	sub reload_resources {	3138	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3139	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3140
		3141	reload_regions;
2298	load_faces	3142	reload_facedata;
2299	or die "unable to load faces\n";#d#	3143	#reload_archetypes;#d#
		3144	reload_archetypes;
		3145	reload_treasures;
		3146
		3147	warn "finished reloading resource files\n";
2300	}	3148	}
2301		3149
2302	sub init {	3150	sub init {
2303	reload_resources;	3151	reload_resources;
2304	}	3152	}
2305		3153
2306	sub cfg_load {	3154	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3155	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3156	or return;
2309		3157
2310	local $/;	3158	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3159	*CFG = YAML::Syck::Load <$fh>;
2312		3160
…		…
2331	(async {	3179	(async {
2332	Event::one_event;	3180	Event::one_event;
2333	})->prio (Coro::PRIO_MAX);	3181	})->prio (Coro::PRIO_MAX);
2334	};	3182	};
2335		3183
2336	cfg_load;	3184	reload_config;
2337	db_init;	3185	db_init;
2338	load_extensions;	3186	load_extensions;
2339		3187
2340	$TICK_WATCHER->start;	3188	$TICK_WATCHER->start;
2341	Event::loop;	3189	Event::loop;
…		…
2357	},	3205	},
2358	);	3206	);
2359	}	3207	}
2360	}	3208	}
2361		3209
		3210	sub write_runtime {
		3211	my $runtime = "$LOCALDIR/runtime";
		3212
		3213	# first touch the runtime file to show we are still running:
		3214	# the fsync below can take a very very long time.
		3215
		3216	IO::AIO::aio_utime $runtime, undef, undef;
		3217
		3218	my $guard = cf::lock_acquire "write_runtime";
		3219
		3220	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3221	or return;
		3222
		3223	my $value = $cf::RUNTIME + 90 + 10;
		3224	# 10 is the runtime save interval, for a monotonic clock
		3225	# 60 allows for the watchdog to kill the server.
		3226
		3227	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3228	and return;
		3229
		3230	# always fsync - this file is important
		3231	aio_fsync $fh
		3232	and return;
		3233
		3234	# touch it again to show we are up-to-date
		3235	aio_utime $fh, undef, undef;
		3236
		3237	close $fh
		3238	or return;
		3239
		3240	aio_rename "$runtime~", $runtime
		3241	and return;
		3242
		3243	warn "runtime file written.\n";
		3244
		3245	1
		3246	}
		3247
2362	sub emergency_save() {	3248	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3249	my $freeze_guard = cf::freeze_mainloop;
2364		3250
2365	warn "enter emergency perl save\n";	3251	warn "enter emergency perl save\n";
2366		3252
…		…
2397		3283
2398	warn Carp::longmess "post_cleanup backtrace"	3284	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3285	if $make_core;
2400	}	3286	}
2401		3287
2402	sub reload() {	3288	sub do_reload_perl() {
2403	# can/must only be called in main	3289	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3290	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3291	warn "can only reload from main coroutine";
2406	return;	3292	return;
2407	}	3293	}
…		…
2441	%EXT_CORO = ();	3327	%EXT_CORO = ();
2442		3328
2443	warn "removing commands";	3329	warn "removing commands";
2444	%COMMAND = ();	3330	%COMMAND = ();
2445		3331
2446	warn "removing ext commands";	3332	warn "removing ext/exti commands";
2447	%EXTCMD = ();	3333	%EXTCMD = ();
		3334	%EXTICMD = ();
2448		3335
2449	warn "unloading/nuking all extensions";	3336	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3337	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3338	warn "... unloading $pkg";
2452		3339
…		…
2482	Symbol::delete_package "safe::$_"	3369	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3370	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3371
2485	warn "unloading cf.pm \"a bit\"";	3372	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3373	delete $INC{"cf.pm"};
		3374	delete $INC{"cf/pod.pm"};
2487		3375
2488	# don't, removes xs symbols, too,	3376	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3377	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3378	#Symbol::delete_package __PACKAGE__;
2491		3379
…		…
2494	warn "reloading cf.pm";	3382	warn "reloading cf.pm";
2495	require cf;	3383	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3384	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3385
2498	warn "loading config and database again";	3386	warn "loading config and database again";
2499	cf::cfg_load;	3387	cf::reload_config;
2500		3388
2501	warn "loading extensions";	3389	warn "loading extensions";
2502	cf::load_extensions;	3390	cf::load_extensions;
2503		3391
2504	warn "reattaching attachments to objects/players";	3392	warn "reattaching attachments to objects/players";
…		…
2506	warn "reattaching attachments to maps";	3394	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3395	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3396	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3397	reattach $_ for values %PLAYER;
2510		3398
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3399	warn "leaving sync_job";
2515		3400
2516	1	3401	1
2517	} or do {	3402	} or do {
2518	warn $@;	3403	warn $@;
…		…
2523	warn "reloaded";	3408	warn "reloaded";
2524	};	3409	};
2525		3410
2526	our $RELOAD_WATCHER; # used only during reload	3411	our $RELOAD_WATCHER; # used only during reload
2527		3412
		3413	sub reload_perl() {
		3414	# doing reload synchronously and two reloads happen back-to-back,
		3415	# coro crashes during coro_state_free->destroy here.
		3416
		3417	$RELOAD_WATCHER ||= Event->timer (
		3418	reentrant => 0,
		3419	after => 0,
		3420	data => WF_AUTOCANCEL,
		3421	cb => sub {
		3422	do_reload_perl;
		3423	undef $RELOAD_WATCHER;
		3424	},
		3425	);
		3426	}
		3427
2528	register_command "reload" => sub {	3428	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3429	my ($who, $arg) = @_;
2530		3430
2531	if ($who->flag (FLAG_WIZ)) {	3431	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3432	$who->message ("reloading server.");
2533		3433	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	}	3434	}
2547	};	3435	};
2548		3436
2549	unshift @INC, $LIBDIR;	3437	unshift @INC, $LIBDIR;
2550		3438
2551	my $bug_warning = 0;	3439	my $bug_warning = 0;
		3440
		3441	our @WAIT_FOR_TICK;
		3442	our @WAIT_FOR_TICK_BEGIN;
		3443
		3444	sub wait_for_tick {
		3445	return unless $TICK_WATCHER->is_active;
		3446	return if $Coro::current == $Coro::main;
		3447
		3448	my $signal = new Coro::Signal;
		3449	push @WAIT_FOR_TICK, $signal;
		3450	$signal->wait;
		3451	}
		3452
		3453	sub wait_for_tick_begin {
		3454	return unless $TICK_WATCHER->is_active;
		3455	return if $Coro::current == $Coro::main;
		3456
		3457	my $signal = new Coro::Signal;
		3458	push @WAIT_FOR_TICK_BEGIN, $signal;
		3459	$signal->wait;
		3460	}
2552		3461
2553	$TICK_WATCHER = Event->timer (	3462	$TICK_WATCHER = Event->timer (
2554	reentrant => 0,	3463	reentrant => 0,
2555	parked => 1,	3464	parked => 1,
2556	prio => 0,	3465	prio => 0,
…		…
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3470	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3471	unless ++$bug_warning > 10;
2563	return;	3472	return;
2564	}	3473	}
2565		3474
2566	$NOW = Event::time;	3475	$NOW = $tick_start = Event::time;
2567		3476
2568	cf::server_tick; # one server iteration	3477	cf::server_tick; # one server iteration
		3478
2569	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2571		3481
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3483	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2575	write_runtime	3485	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	3486	or warn "ERROR: unable to write runtime file: $!";
2577	};	3487	};
2578	}	3488	}
2579		3489
2580	$WAIT_FOR_TICK->broadcast;	3490	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3491	$sig->send;
		3492	}
		3493	while (my $sig = shift @WAIT_FOR_TICK) {
		3494	$sig->send;
		3495	}
2582		3496
2583	# my $AFTER = Event::time;	3497	$NOW = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585		3498
2586	# if we are delayed by four ticks or more, skip them all	3499	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3500	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2588		3501
2589	$TICK_WATCHER->at ($NEXT_TICK);	3502	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;	3503	$TICK_WATCHER->start;
		3504
		3505	$LOAD = ($NOW - $tick_start) / $TICK;
		3506	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3507
		3508	_post_tick;
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 = $Coro::current;
2609	(	3527	(
…		…
2618	)	3536	)
2619	};	3537	};
2620		3538
2621	unless ($DB_ENV) {	3539	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	3540	$DB_ENV = BDB::db_env_create;
		3541	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3542	| BDB::LOG_AUTOREMOVE, 1);
		3543	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3544	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		3545
2624	cf::sync_job {	3546	cf::sync_job {
2625	eval {	3547	eval {
2626	BDB::db_env_open	3548	BDB::db_env_open
2627	$DB_ENV,	3549	$DB_ENV,
2628	$BDB_ENV_DIR,	3550	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3551	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3553	0666;
2632		3554
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$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_DEADLOCK_WATCHER = Event->timer (
		3563	after => 3,
		3564	interval => 1,
		3565	hard => 1,
		3566	prio => 0,
		3567	data => WF_AUTOCANCEL,
		3568	cb => sub {
		3569	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3570	},
		3571	);
		3572	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3573	after => 11,
		3574	interval => 60,
		3575	hard => 1,
		3576	prio => 0,
		3577	data => WF_AUTOCANCEL,
		3578	cb => sub {
		3579	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3580	},
		3581	);
		3582	$BDB_TRICKLE_WATCHER = Event->timer (
		3583	after => 5,
		3584	interval => 10,
		3585	hard => 1,
		3586	prio => 0,
		3587	data => WF_AUTOCANCEL,
		3588	cb => sub {
		3589	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3590	},
		3591	);
2642	}	3592	}
2643		3593
2644	{	3594	{
2645	IO::AIO::min_parallel 8;	3595	IO::AIO::min_parallel 8;
2646		3596
…		…
2654	prio => 6,	3604	prio => 6,
2655	cb => \&IO::AIO::poll_cb,	3605	cb => \&IO::AIO::poll_cb,
2656	);	3606	);
2657	}	3607	}
2658		3608
		3609	my $_log_backtrace;
		3610
		3611	sub _log_backtrace {
		3612	my ($msg, @addr) = @_;
		3613
		3614	$msg =~ s/\n//;
		3615
		3616	# limit the # of concurrent backtraces
		3617	if ($_log_backtrace < 2) {
		3618	++$_log_backtrace;
		3619	async {
		3620	my @bt = fork_call {
		3621	@addr = map { sprintf "%x", $_ } @addr;
		3622	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3623	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3624	or die "addr2line: $!";
		3625
		3626	my @funcs;
		3627	my @res = <$fh>;
		3628	chomp for @res;
		3629	while (@res) {
		3630	my ($func, $line) = splice @res, 0, 2, ();
		3631	push @funcs, "[$func] $line";
		3632	}
		3633
		3634	@funcs
		3635	};
		3636
		3637	LOG llevInfo, "[ABT] $msg\n";
		3638	LOG llevInfo, "[ABT] $_\n" for @bt;
		3639	--$_log_backtrace;
		3640	};
		3641	} else {
		3642	LOG llevInfo, "[ABT] $msg\n";
		3643	LOG llevInfo, "[ABT] [suppressed]\n";
		3644	}
		3645	}
		3646
		3647	# load additional modules
		3648	use cf::pod;
		3649
2659	END { cf::emergency_save }	3650	END { cf::emergency_save }
2660		3651
2661	1	3652	1
2662		3653

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines