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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.233 by root, Wed Apr 4 02:20:27 2007 UTC vs.
Revision 1.372 by root, Sat Sep 15 13:25:33 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;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.64 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
21		25
		26	use JSON::XS ();
22	use BDB ();	27	use BDB ();
23	use Data::Dumper;	28	use Data::Dumper;
24	use Digest::MD5;	29	use Digest::MD5;
25	use Fcntl;	30	use Fcntl;
26	use YAML::Syck ();	31	use YAML::Syck ();
27	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
28	use Time::HiRes;	33	use Time::HiRes;
29	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
30		36
31	# configure various modules to our taste	37	# configure various modules to our taste
32	#	38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	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
35		42
36	$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
37		44
…		…
45	our %COMMAND = ();	52	our %COMMAND = ();
46	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
47		54
48	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
52		60
53	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
54	our @EVENT;	62	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		63
57	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(!)
58	our $TICK_WATCHER;	77	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	80	our $NEXT_TICK;
62	our $NOW;	81	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		83
65	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	88	our $DB_ENV;
67		89
68	our %CFG;	90	our %CFG;
69		91
70	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	93	our $RUNTIME;
72		94
73	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		98
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $tick_start; # for load detecting purposes
		105
85	binmode STDOUT;	106	binmode STDOUT;
86	binmode STDERR;	107	binmode STDERR;
87		108
88	# read virtual server time, if available	109	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
93	}	114	}
94		115
95	mkdir cf::localdir;	116	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		118
102	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
103		120
104	sub cf::map::normalise;	121	sub cf::map::normalise;
105		122
…		…
116	=item $cf::RUNTIME	133	=item $cf::RUNTIME
117		134
118	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
119	every server tick.	136	every server tick.
120		137
121	=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
122		141
123	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		146
126	=item $cf::NOW	147	=item $cf::NOW
127		148
128	The time of the last (current) server tick.	149	The time of the last (current) server tick.
129		150
130	=item $cf::TICK	151	=item $cf::TICK
131		152
132	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.
133		164
134	=item %cf::CFG	165	=item %cf::CFG
135		166
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	168	from wherever your confdir points to.
138		169
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		171
141	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
142	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
143	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.
144	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.
145		181
146	=back	182	=back
147		183
148	=cut	184	=cut
149		185
150	BEGIN {	186	BEGIN {
151	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	188	my $msg = join "", @_;
153	utf8::encode $msg;
154		189
155	$msg .= "\n"	190	$msg .= "\n"
156	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
157		194
158	LOG llevError, $msg;	195	LOG llevError, $msg;
159	};	196	};
160	}	197	}
161		198
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		206
169	# 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
170	# within the Safe compartment.	208	# within the Safe compartment.
171	for my $pkg (qw(	209	for my $pkg (qw(
172	cf::global cf::attachable	210	cf::global cf::attachable
…		…
180	}	218	}
181		219
182	$Event::DIED = sub {	220	$Event::DIED = sub {
183	warn "error in event callback: @_";	221	warn "error in event callback: @_";
184	};	222	};
		223
		224	#############################################################################
185		225
186	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
187		227
188	=over 4	228	=over 4
189		229
…		…
208	$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;
209	$d	249	$d
210	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
211	}	251	}
212		252
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
216		254
217	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
218		256
219	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
220		258
221	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
222		267
223	=item cf::lock_wait $string	268	=item cf::lock_wait $string
224		269
225	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
226		271
…		…
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
232	returned.	277	returned.
233		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
234	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
235	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
236		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
237	=cut	289	=cut
238		290
239	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
240		293
241	sub lock_wait($) {	294	sub lock_wait($) {
242	my ($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#
243		301
244	# wait for lock, if any	302	# wait for lock, if any
245	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	305	Coro::schedule;
…		…
253		311
254	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
255	lock_wait $key;	313	lock_wait $key;
256		314
257	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
258		317
259	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
262	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
263	}	329	}
264		330
265	sub freeze_mainloop {	331	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
267		333
…		…
270	};	336	};
271	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
272	$guard	338	$guard
273	}	339	}
274		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
275	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
276		398
277	Currently the same as Coro::async_pool, meaning you cannot use	399	Currently the same as Coro::async_pool, meaning you cannot use
278	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
279	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.
…		…
282		404
283	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
284		406
285	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
286		408
287	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)
288	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
289	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.
290		413
291	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
292	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
293	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
294	fast or be very important.	417	fast or be very important.
…		…
297		420
298	sub sync_job(&) {	421	sub sync_job(&) {
299	my ($job) = @_;	422	my ($job) = @_;
300		423
301	if ($Coro::current == $Coro::main) {	424	if ($Coro::current == $Coro::main) {
		425	my $time = Event::time;
		426
302	# this is the main coro, too bad, we have to block	427	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	428	# till the operation succeeds, freezing the server :/
304		429
305	# TODO: use suspend/resume instead	430	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	431	# (but this is cancel-safe)
…		…
317		442
318	while ($busy) {	443	while ($busy) {
319	Coro::cede or Event::one_event;	444	Coro::cede or Event::one_event;
320	}	445	}
321		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
322	wantarray ? @res : $res[0]	454	wantarray ? @res : $res[0]
323	} else {	455	} else {
324	# we are in another coroutine, how wonderful, everything just works	456	# we are in another coroutine, how wonderful, everything just works
325		457
326	$job->()	458	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
346		478
347	$coro	479	$coro
348	}	480	}
349		481
350	sub write_runtime {	482	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		483
353	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.
354		488
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	=cut
356	or return;
357		490
358	my $value = $cf::RUNTIME + 90 + 10;	491	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	492	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		493
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	494	# we seemingly have to make a local copy of the whole thing,
363	and return;	495	# otherwise perl prematurely frees the stuff :/
		496	# TODO: investigate and fix (likely this will be rather laborious)
364		497
365	# always fsync - this file is important	498	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	499	reset_signals;
367	and return;	500	&$cb
		501	}, @args;
368		502
369	close $fh	503	wantarray ? @res : $res[-1]
370	or return;	504	}
371		505
372	aio_rename "$runtime~", $runtime	506	=item $value = cf::db_get $family => $key
373	and return;
374		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
375	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"
376	}	631	}
377		632
378	=item cf::datalog type => key => value, ...	633	=item cf::datalog type => key => value, ...
379		634
380	Log a datalog packet of the given type with the given key-value pairs.	635	Log a datalog packet of the given type with the given key-value pairs.
…		…
398	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")
399	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
400		655
401	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>
402	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
403	crossfire+).	658	Crossfire TRT).
404		659
405	=over 4	660	=over 4
406		661
407	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
408		663
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
572		827
573	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		832
578	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	834	my $pkg = shift @arg;
580		835
581	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
611	}	866	}
612		867
613	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
614	} else {	869	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	871	}
617		872
618	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
619	}	874	}
620		875
…		…
622	if (ref $_[0]) {	877	if (ref $_[0]) {
623	_object_attach @_;	878	_object_attach @_;
624	} else {	879	} else {
625	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
626	}	881	}
		882	_recalc_want;
627	};	883	};
628		884
629	# all those should be optimised	885	# all those should be optimised
630	sub cf::attachable::detach {	886	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
635	reattach ($obj);	891	reattach ($obj);
636	} else {	892	} else {
637	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
638	}	894	}
		895	_recalc_want;
639	};	896	};
640		897
641	sub cf::attachable::attached {	898	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
643		900
…		…
658	";	915	";
659	die if $@;	916	die if $@;
660	}	917	}
661		918
662	our $override;	919	our $override;
663	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?
664		921
665	sub override {	922	sub override {
666	$override = 1;	923	$override = 1;
667	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
668	}	925	}
669		926
670	sub do_invoke {	927	sub do_invoke {
671	my $event = shift;	928	my $event = shift;
672	my $callbacks = shift;	929	my $callbacks = shift;
673		930
674	@invoke_results = ();	931	@INVOKE_RESULTS = ();
675		932
676	local $override;	933	local $override;
677		934
678	for (@$callbacks) {	935	for (@$callbacks) {
679	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
696		953
697	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
698		955
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		959
703	=back	960	=back
704		961
705	=cut	962	=cut
706		963
707	#############################################################################	964	#############################################################################
708	# 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	}
709		977
710	sub reattach {	978	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	980	my ($obj) = @_;
713		981
…		…
758	);	1026	);
759		1027
760	sub object_freezer_save {	1028	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
762		1030
		1031	my $guard = cf::lock_acquire "io";
		1032
763	sync_job {	1033	sync_job {
764	if (length $$rdata) {	1034	if (length $$rdata) {
		1035	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1036	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1037	$decname, length $$rdata, scalar @$objs;
767		1038
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1040	chmod SAVE_MODE, $fh;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1042	aio_fsync $fh if $cf::USE_FSYNC;
…		…
790	}	1061	}
791	} else {	1062	} else {
792	aio_unlink $filename;	1063	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1064	aio_unlink "$filename.pst";
794	}	1065	}
795	}	1066	};
		1067
		1068	undef $guard;
796	}	1069	}
797		1070
798	sub object_freezer_as_string {	1071	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1072	my ($rdata, $objs) = @_;
800		1073
…		…
805		1078
806	sub object_thawer_load {	1079	sub object_thawer_load {
807	my ($filename) = @_;	1080	my ($filename) = @_;
808		1081
809	my ($data, $av);	1082	my ($data, $av);
		1083
		1084	my $guard = cf::lock_acquire "io";
810		1085
811	(aio_load $filename, $data) >= 0	1086	(aio_load $filename, $data) >= 0
812	or return;	1087	or return;
813		1088
814	unless (aio_stat "$filename.pst") {	1089	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1090	(aio_load "$filename.pst", $av) >= 0
816	or return;	1091	or return;
		1092
		1093	undef $guard;
817	$av = eval { (Storable::thaw $av)->{objs} };	1094	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1095	}
819		1096
		1097	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
822	return ($data, $av);	1101	($data, $av)
823	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
824		1109
825	#############################################################################	1110	#############################################################################
826	# command handling &c	1111	# command handling &c
827		1112
828	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1127	}
843		1128
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1130
846	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
847		1136
848	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
849	called.	1138	called.
850		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
851	=cut	1151	=cut
852		1152
853	sub register_extcmd {	1153	sub register_extcmd {
854	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
855		1155
856	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
857	}	1163	}
858		1164
859	cf::player->attach (	1165	cf::player->attach (
860	on_command => sub {	1166	on_command => sub {
861	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1176	cf::override;
871	},	1177	},
872	on_extcmd => sub {	1178	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
874		1180
875	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1182
877	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
883	} else {	1198	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1200	}
886		1201
887	cf::override;	1202	cf::override;
888	},	1203	},
889	);	1204	);
890		1205
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
926	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1211	next unless -r $path;
928	eval {	1212
929	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
930	1	1270	}
931	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
932	}	1276	};
933	}	1277	}
934		1278
935	#############################################################################	1279	#############################################################################
936		1280
		1281	=back
		1282
937	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
938		1284
939	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
940		1286
941	=cut	1287	=cut
…		…
946		1292
947	=head3 cf::player	1293	=head3 cf::player
948		1294
949	=over 4	1295	=over 4
950		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
		1310
951	=item cf::player::find $login	1311	=item cf::player::find $login
952		1312
953	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
954		1314
955	=cut	1315	=cut
956		1316
957	sub playerdir($) {	1317	sub playerdir($) {
958	cf::localdir	1318	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1320	}
964		1321
965	sub path($) {	1322	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1324
968	(playerdir $login) . "/$login.pl"	1325	(playerdir $login) . "/playerdata"
969	}	1326	}
970		1327
971	sub find_active($) {	1328	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1329	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1330	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1343	my $login = $_[0];
987		1344
988	my $guard = cf::lock_acquire "user_find:$login";	1345	my $guard = cf::lock_acquire "user_find:$login";
989		1346
990	$cf::PLAYER{$_[0]} || do {	1347	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1348	# rename old playerfiles to new ones
		1349	#TODO: remove when no longer required
		1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1353	aio_unlink +(playerdir $login) . "/$login.pl";
		1354
		1355	my $f = new_from_file cf::object::thawer path $login
992	or return;	1356	or return;
		1357
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
994	}	1363	}
995	}	1364	}
996	}	1365	}
997		1366
…		…
1007		1376
1008	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1010		1379
1011	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1012	Coro::cede;	1381	cf::cede_to_tick;
1013	}	1382	}
1014		1383
1015	sub new($) {	1384	sub new($) {
1016	my ($login) = @_;	1385	my ($login) = @_;
1017		1386
…		…
1021	$self->{deny_save} = 1;	1390	$self->{deny_save} = 1;
1022		1391
1023	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1024		1393
1025	$self	1394	$self
		1395	}
		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
1026	}	1405	}
1027		1406
1028	=item $pl->quit_character	1407	=item $pl->quit_character
1029		1408
1030	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
…		…
1079	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1080		1459
1081	=cut	1460	=cut
1082		1461
1083	sub list_logins {	1462	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1464	or return [];
1086		1465
1087	my @logins;	1466	my @logins;
1088		1467
1089	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1093		1477
1094	utf8::decode $login;	1478	utf8::decode $login;
1095	push @logins, $login;	1479	push @logins, $login;
1096	}	1480	}
1097		1481
…		…
1124	}	1508	}
1125		1509
1126	\@paths	1510	\@paths
1127	}	1511	}
1128		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1129	=item $player->ext_reply ($msgid, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1130		1565
1131	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1132		1567
1133	=cut	1568	=cut
1134		1569
1135	sub ext_reply($$%) {	1570	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1137		1572
1138	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1574	}
1142		1575
1143	=item $player->ext_event ($type, %msg)	1576	=item $player->ext_msg ($type, @msg)
1144		1577
1145	Sends an ext event to the client.	1578	Sends an ext event to the client.
1146		1579
1147	=cut	1580	=cut
1148		1581
1149	sub ext_event($$%) {	1582	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1583	my ($self, $type, @msg) = @_;
1151		1584
1152	$self->ns->ext_event ($type, %msg);	1585	$self->ns->ext_msg ($type, @msg);
1153	}	1586	}
1154		1587
1155	package cf;	1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1156		1616
1157	=back	1617	=back
1158
1159		1618
1160	=head3 cf::map	1619	=head3 cf::map
1161		1620
1162	=over 4	1621	=over 4
1163		1622
…		…
1218	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1219		1678
1220	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1221	local $self->{path};	1680	local $self->{path};
1222	local $self->{load_path};	1681	local $self->{load_path};
1223	local $self->{deny_save};
1224	local $self->{deny_reset};
1225		1682
1226	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1227	}	1684	}
1228		1685
1229	sub normalise {	1686	sub normalise {
…		…
1276	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1277	return $self;	1734	return $self;
1278	}	1735	}
1279	}	1736	}
1280		1737
1281	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1282	()	1739	()
1283	}	1740	}
1284		1741
1285	sub init {	1742	sub init {
1286	my ($self) = @_;	1743	my ($self) = @_;
…		…
1301		1758
1302	# the original (read-only) location	1759	# the original (read-only) location
1303	sub load_path {	1760	sub load_path {
1304	my ($self) = @_;	1761	my ($self) = @_;
1305		1762
1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1307	}	1764	}
1308		1765
1309	# the temporary/swap location	1766	# the temporary/swap location
1310	sub save_path {	1767	sub save_path {
1311	my ($self) = @_;	1768	my ($self) = @_;
1312		1769
1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1315	}	1772	}
1316		1773
1317	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1318	sub uniq_path {	1775	sub uniq_path {
1319	my ($self) = @_;	1776	my ($self) = @_;
1320		1777
1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1323	}	1780	}
1324		1781
1325	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1326	# all maps in C++...	1783	# all maps in C++...
1327	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1329		1786
1330	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1331	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1332	}	1789	}
1333		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1334	sub unlink_save {	1799	sub unlink_save {
1335	my ($self) = @_;	1800	my ($self) = @_;
1336		1801
1337	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1341		1806
1342	sub load_header_from($) {	1807	sub load_header_from($) {
1343	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1344		1809
1345	utf8::encode $path;	1810	utf8::encode $path;
1346	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1347	# or return;
1348
1349	$self->_load_header ($path)
1350	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1351		1819
1352	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1353		1821
1354	1	1822	1
1355	}	1823	}
…		…
1394	$self->load_header_orig	1862	$self->load_header_orig
1395	or return;	1863	or return;
1396	$self->prepare_orig;	1864	$self->prepare_orig;
1397	}	1865	}
1398		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
		1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
		1872
1399	1	1873	1
1400	}	1874	}
1401		1875
1402	sub find;	1876	sub find;
1403	sub find {	1877	sub find {
1404	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1405		1879
1406	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1407		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1408	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1409		1884
1410	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1411	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1412	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1413	or return;	1890	or return;
1414		1891
1415	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1416		1893
1417	$map->load_header	1894	$map->load_header
1418	or return;	1895	or return;
1419		1896
1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1422	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1423	$map->reset;	1902	$map->reset;
1424	undef $guard;
1425	return find $path;	1903	return find $path;
1426	}	1904	}
1427		1905
1428	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1429	}	1907	}
…		…
1436	my ($self) = @_;	1914	my ($self) = @_;
1437		1915
1438	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1439		1917
1440	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1441	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1442		1922
		1923	return unless $self->valid;
1443	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1444		1925
1445	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1446		1927
1447	$self->alloc;	1928	$self->alloc;
1448		1929
1449	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1450		1932
1451	$self->_load_objects ($self->{load_path}, 1)	1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1452	or return;	1936	or return;
1453		1937
1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1455	if delete $self->{load_original};	1939	if delete $self->{load_original};
1456		1940
1457	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1458	utf8::encode $uniq;	1942	utf8::encode $uniq;
1459	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1460	$self->clear_unique_items;	1945	$self->clear_unique_items;
1461	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1462	}	1949	}
1463	}	1950	}
1464		1951
1465	Coro::cede;	1952	$f->resolve_delayed_derefs;
1466		1953
		1954	cf::cede_to_tick;
1467	# now do the right thing for maps	1955	# now do the right thing for maps
1468	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1469
1470	unless ($self->{deny_activate}) {
1471	$self->decay_objects;
1472	$self->fix_auto_apply;
1473	$self->update_buttons;
1474	Coro::cede;
1475	$self->set_darkness_map;
1476	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1477	unless $self->difficulty;	1958	unless $self->difficulty;
1478	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1479	$self->activate;	1968	$self->activate;
		1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
		1974	$self->in_memory (cf::MAP_IN_MEMORY);
1480	}	1975	}
1481		1976
1482	$self->post_load;	1977	$self->post_load;
1483
1484	$self->in_memory (cf::MAP_IN_MEMORY);
1485	}	1978	}
1486		1979
1487	sub customise_for {	1980	sub customise_for {
1488	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1489		1982
1490	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1491	if $self->per_player;	1984	if $self->per_player;
1492		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1493	$self	1989	$self
1494	}	1990	}
1495		1991
1496	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1497	sub load_diag {	1993	sub load_neighbours {
1498	my ($map) = @_;	1994	my ($map) = @_;
1499		1995
1500	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1501		1997
1502	for (0 .. 3) {	1998	for (0 .. 3) {
1503	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1504	or next;	2000	or next;
1505	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1506	or next;	2002	or next;
1507	$neigh->load;	2003	$neigh->load;
1508		2004
		2005	push @neigh,
1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1511	}	2008	}
1512		2009
1513	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1514	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1515	or next;	2013	or next;
1516	$neigh->load;	2014	$neigh->load;
1517	}	2015	}
1518	}	2016	}
1519		2017
…		…
1524	}	2022	}
1525		2023
1526	sub do_load_sync {	2024	sub do_load_sync {
1527	my ($map) = @_;	2025	my ($map) = @_;
1528		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1529	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1530	}	2031	}
1531		2032
1532	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1533	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1534		2035
1535	sub find_async {	2036	sub find_async {
1536	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1537		2038
1538	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1539		2040
1540	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1542	}	2043	}
1543		2044
1544	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1545	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1546	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1547	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1548	my $map = find $path	2050	if (my $map = find $k) {
1549	or next;
1550	$map->load;	2051	$map->load if $v;
		2052	}
1551		2053
1552	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1553	}	2055	}
1554	}	2056	}
1555	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1556	};	2058	};
1557	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1560	}	2062	}
1561		2063
1562	sub save {	2064	sub save {
1563	my ($self) = @_;	2065	my ($self) = @_;
1564		2066
1565	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1566		2068
1567	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1568		2070
1569	return unless $self->dirty;	2071	return unless $self->dirty;
1570		2072
…		…
1593	my ($self) = @_;	2095	my ($self) = @_;
1594		2096
1595	# save first because save cedes	2097	# save first because save cedes
1596	$self->save;	2098	$self->save;
1597		2099
1598	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2101
1600	return if $self->players;	2102	return if $self->players;
1601	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1602	return if $self->{deny_save};	2104	return if $self->{deny_save};
1603		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2110	$self->clear;
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	}	2111	}
1607		2112
1608	sub reset_at {	2113	sub reset_at {
1609	my ($self) = @_;	2114	my ($self) = @_;
1610		2115
1611	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1613	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1614		2118
1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617		2121
…		…
1628	my ($self) = @_;	2132	my ($self) = @_;
1629		2133
1630	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1631		2135
1632	return if $self->players;	2136	return if $self->players;
1633	return if $self->isa ("ext::map_per_player");#d#
1634		2137
1635	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
1636		2139
1637	$self->in_memory (cf::MAP_SWAPPED);	2140	$self->in_memory (cf::MAP_SWAPPED);
1638		2141
1639	# need to save uniques path	2142	# need to save uniques path
1640	unless ($self->{deny_save}) {	2143	unless ($self->{deny_save}) {
…		…
1644	if $uniq;	2147	if $uniq;
1645	}	2148	}
1646		2149
1647	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1648		2151
		2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1649	$self->clear;	2154	$self->clear;
1650
1651	$_->clear_links_to ($self) for values %cf::MAP;
1652		2155
1653	$self->unlink_save;	2156	$self->unlink_save;
1654	$self->destroy;	2157	$self->destroy;
1655	}	2158	}
1656		2159
1657	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1658		2161
1659	sub nuke {	2162	sub nuke {
1660	my ($self) = @_;	2163	my ($self) = @_;
1661		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1662	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1663		2169
1664	$self->unlink_save;	2170	$self->unlink_save;
1665		2171
1666	bless $self, "cf::map";	2172	bless $self, "cf::map";
1667	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1668	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1669	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671		2177
1672	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1673		2180
1674	$self->reset; # polite request, might not happen	2181	$self->reset; # polite request, might not happen
		2182	}
		2183
		2184	=item $maps = cf::map::tmp_maps
		2185
		2186	Returns an arrayref with all map paths of currently instantiated and saved
		2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
		2192	[
		2193	map {
		2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
		2200	}
		2201
		2202	=item $maps = cf::map::random_maps
		2203
		2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
		2206
		2207	=cut
		2208
		2209	sub random_maps() {
		2210	[
		2211	map {
		2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
1675	}	2218	}
1676		2219
1677	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1678		2221
1679	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1680	instantiated unique items. May block.	2223	instantiated unique items. May block.
1681		2224
1682	=cut	2225	=cut
1683		2226
1684	sub unique_maps() {	2227	sub unique_maps() {
1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1686	or return;	2229	map {
1687
1688	my @paths;
1689
1690	for (@$files) {
1691	utf8::decode $_;	2230	utf8::decode $_;
1692	next if /\.pst$/;	2231	/\.map$/
1693	next unless /^$PATH_SEP/o;	2232	? normalise $_
1694		2233	: ()
1695	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1696	}	2235	]
1697
1698	\@paths
1699	}	2236	}
1700		2237
1701	package cf;	2238	package cf;
1702		2239
1703	=back	2240	=back
…		…
1721	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1722	}	2259	}
1723		2260
1724	sub inv_recursive {	2261	sub inv_recursive {
1725	inv_recursive_ inv $_[0]	2262	inv_recursive_ inv $_[0]
		2263	}
		2264
		2265	=item $ref = $ob->ref
		2266
		2267	creates and returns a persistent reference to an objetc that can be stored as a string.
		2268
		2269	=item $ob = cf::object::deref ($refstring)
		2270
		2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2272	even if the object actually exists. May block.
		2273
		2274	=cut
		2275
		2276	sub deref {
		2277	my ($ref) = @_;
		2278
		2279	# temporary compatibility#TODO#remove
		2280	$ref =~ s{^<}{player/<};
		2281
		2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1726	}	2294	}
1727		2295
1728	package cf;	2296	package cf;
1729		2297
1730	=back	2298	=back
…		…
1749		2317
1750	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751		2319
1752	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1753	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1754	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1755	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1756	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1757	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1758	}	2345	}
1759		2346
1760	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1761		2348
1762	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1809	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1810		2397
1811	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1812		2399
1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1815		2402
1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1817	}	2404	}
1818		2405
1819	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1820	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1821		2410
1822	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1823		2412
1824	unless ($map) {	2413	unless ($map) {
1825	# restore original map position	2414	# restore original map position
…		…
1839	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1840	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1841	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1842		2431
1843	$map->load;	2432	$map->load;
1844	$map->load_diag;	2433	$map->load_neighbours;
1845		2434
1846	return unless $self->contr->active;	2435	return unless $self->contr->active;
1847	$self->activate_recursive;	2436	$self->activate_recursive;
1848		2437
1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1851	}	2440	}
1852		2441
1853	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1854	on_logout => sub {
1855	my ($pl) = @_;
1856		2443
1857	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1858	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1859	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1860	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1861	};	2448	be called at the end of this process.
1862	}
1863	},
1864	on_login => sub {
1865	my ($pl) = @_;
1866		2449
1867	# try to abort aborted map switching on player login :)
1868	# should happen only on crashes
1869	if ($pl->ob->{_link_pos}) {
1870	$pl->ob->enter_link;
1871	(async {
1872	$pl->ob->reply (undef,
1873	"There was an internal problem at your last logout, "
1874	. "the server will try to bring you to your intended destination in a second.",
1875	cf::NDI_RED);
1876	# we need this sleep as the login has a concurrent enter_exit running
1877	# and this sleep increases chances of the player not ending up in scorn
1878	Coro::Timer::sleep 1;
1879	$pl->ob->leave_link;
1880	})->prio (2);
1881	}
1882	},
1883	);
1884
1885	=item $player_object->goto ($path, $x, $y)
1886
1887	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1888		2453
1889	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1890	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1891		2459
1892	$self->enter_link;	2460	$self->enter_link;
1893		2461
1894	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	} else {
		2472	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2473	}
		2474	# else put us there anyways for now #d#
		2475
		2476	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2477	} else {
		2478	($path, $x, $y) = (undef, undef, undef);
		2479	}
		2480	}
		2481
1895	my $map = eval {	2482	my $map = eval {
1896	my $map = cf::map::find $path;	2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1897	$map = $map->customise_for ($self) if $map;	2486	$map = $map->customise_for ($self);
		2487	$map = $check->($map) if $check && $map;
		2488	} else {
		2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	}
		2491
1898	$map	2492	$map
		2493	};
		2494
		2495	if ($@) {
		2496	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	LOG llevError | logBacktrace, Carp::longmess $@;
1899	} or	2498	}
1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1902	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1903	})->prio (1);	2506	})->prio (1);
1904	}	2507	}
1905		2508
1906	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
1907		2510
…		…
1946		2549
1947	$rmp->{random_seed} ||= $exit->random_seed;	2550	$rmp->{random_seed} ||= $exit->random_seed;
1948		2551
1949	my $data = cf::to_json $rmp;	2552	my $data = cf::to_json $rmp;
1950	my $md5 = Digest::MD5::md5_hex $data;	2553	my $md5 = Digest::MD5::md5_hex $data;
1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2554	my $meta = "$RANDOMDIR/$md5.meta";
1952		2555
1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954	aio_write $fh, 0, (length $data), $data, 0;	2557	aio_write $fh, 0, (length $data), $data, 0;
1955	undef $fh;	2558	undef $fh;
1956	aio_rename "$meta~", $meta;	2559	aio_rename "$meta~", $meta;
…		…
1975	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2578	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1976	my $hp = $exit->stats->hp;	2579	my $hp = $exit->stats->hp;
1977	my $sp = $exit->stats->sp;	2580	my $sp = $exit->stats->sp;
1978		2581
1979	$self->enter_link;	2582	$self->enter_link;
		2583
		2584	# if exit is damned, update players death & WoR home-position
		2585	$self->contr->savebed ($slaying, $hp, $sp)
		2586	if $exit->flag (FLAG_DAMNED);
1980		2587
1981	(async {	2588	(async {
1982	$self->deactivate_recursive; # just to be sure	2589	$self->deactivate_recursive; # just to be sure
1983	unless (eval {	2590	unless (eval {
1984	$self->goto ($slaying, $hp, $sp);	2591	$self->goto ($slaying, $hp, $sp);
…		…
2012		2619
2013	utf8::encode $text;	2620	utf8::encode $text;
2014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2015	}	2622	}
2016		2623
		2624	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2625
		2626	Send a drawinfo or msg packet to the client, formatting the msg for the
		2627	client if neccessary. C<$type> should be a string identifying the type of
		2628	the message, with C<log> being the default. If C<$color> is negative, suppress
		2629	the message unless the client supports the msg packet.
		2630
		2631	=cut
		2632
		2633	our %CHANNEL = (
		2634	"c/identify" => {
		2635	id => "identify",
		2636	title => "Identify",
		2637	reply => undef,
		2638	tooltip => "Items recently identified",
		2639	},
		2640	"c/examine" => {
		2641	id => "examine",
		2642	title => "Examine",
		2643	reply => undef,
		2644	tooltip => "Signs and other items you examined",
		2645	},
		2646	);
		2647
		2648	sub cf::client::send_msg {
		2649	my ($self, $channel, $msg, $color, @extra) = @_;
		2650
		2651	$msg = $self->pl->expand_cfpod ($msg);
		2652
		2653	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2654
		2655	# check predefined channels, for the benefit of C
		2656	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2657
		2658	if (ref $channel) {
		2659	# send meta info to client, if not yet sent
		2660	unless (exists $self->{channel}{$channel->{id}}) {
		2661	$self->{channel}{$channel->{id}} = $channel;
		2662	$self->ext_msg (channel_info => $channel)
		2663	if $self->can_msg;
		2664	}
		2665
		2666	$channel = $channel->{id};
		2667	}
		2668
		2669	return unless @extra || length $msg;
		2670
		2671	if ($self->can_msg) {
		2672	# default colour, mask it out
		2673	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2674	if $color & cf::NDI_DEF;
		2675
		2676	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2677	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2678	} else {
		2679	if ($color >= 0) {
		2680	# replace some tags by gcfclient-compatible ones
		2681	for ($msg) {
		2682	1 while
		2683	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2684	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2685	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2686	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2687	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2688	}
		2689
		2690	$color &= cf::NDI_COLOR_MASK;
		2691
		2692	utf8::encode $msg;
		2693
		2694	if (0 && $msg =~ /\[/) {
		2695	# COMMAND/INFO
		2696	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2697	} else {
		2698	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2699	$self->send_packet ("drawinfo $color $msg")
		2700	}
		2701	}
		2702	}
		2703	}
		2704
2017	=item $client->ext_event ($type, %msg)	2705	=item $client->ext_msg ($type, @msg)
2018		2706
2019	Sends an exti event to the client.	2707	Sends an ext event to the client.
2020		2708
2021	=cut	2709	=cut
2022		2710
2023	sub cf::client::ext_event($$%) {	2711	sub cf::client::ext_msg($$@) {
2024	my ($self, $type, %msg) = @_;	2712	my ($self, $type, @msg) = @_;
2025		2713
		2714	if ($self->extcmd == 2) {
		2715	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2716	} elsif ($self->extcmd == 1) { # TODO: remove
2026	$msg{msgtype} = "event_$type";	2717	push @msg, msgtype => "event_$type";
2027	$self->send_packet ("ext " . cf::to_json \%msg);	2718	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2719	}
		2720	}
		2721
		2722	=item $client->ext_reply ($msgid, @msg)
		2723
		2724	Sends an ext reply to the client.
		2725
		2726	=cut
		2727
		2728	sub cf::client::ext_reply($$@) {
		2729	my ($self, $id, @msg) = @_;
		2730
		2731	if ($self->extcmd == 2) {
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2733	} elsif ($self->extcmd == 1) {
		2734	#TODO: version 1, remove
		2735	unshift @msg, msgtype => "reply", msgid => $id;
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2737	}
2028	}	2738	}
2029		2739
2030	=item $success = $client->query ($flags, "text", \&cb)	2740	=item $success = $client->query ($flags, "text", \&cb)
2031		2741
2032	Queues a query to the client, calling the given callback with	2742	Queues a query to the client, calling the given callback with
2033	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2743	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2034	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2744	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2035		2745
2036	Queries can fail, so check the return code. Or don't, as queries will become	2746	Queries can fail, so check the return code. Or don't, as queries will
2037	reliable at some point in the future.	2747	become reliable at some point in the future.
2038		2748
2039	=cut	2749	=cut
2040		2750
2041	sub cf::client::query {	2751	sub cf::client::query {
2042	my ($self, $flags, $text, $cb) = @_;	2752	my ($self, $flags, $text, $cb) = @_;
…		…
2050	utf8::encode $text;	2760	utf8::encode $text;
2051	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2761	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2052		2762
2053	$self->send_packet ($self->{query_queue}[0][0])	2763	$self->send_packet ($self->{query_queue}[0][0])
2054	if @{ $self->{query_queue} } == 1;	2764	if @{ $self->{query_queue} } == 1;
		2765
		2766	1
2055	}	2767	}
2056		2768
2057	cf::client->attach (	2769	cf::client->attach (
		2770	on_connect => sub {
		2771	my ($ns) = @_;
		2772
		2773	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2774	},
2058	on_reply => sub {	2775	on_reply => sub {
2059	my ($ns, $msg) = @_;	2776	my ($ns, $msg) = @_;
2060		2777
2061	# this weird shuffling is so that direct followup queries	2778	# this weird shuffling is so that direct followup queries
2062	# get handled first	2779	# get handled first
…		…
2074	} else {	2791	} else {
2075	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2792	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2076	}	2793	}
2077	}	2794	}
2078	},	2795	},
		2796	on_exticmd => sub {
		2797	my ($ns, $buf) = @_;
		2798
		2799	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2800
		2801	if (ref $msg) {
		2802	my ($type, $reply, @payload) =
		2803	"ARRAY" eq ref $msg
		2804	? @$msg
		2805	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2806
		2807	my @reply;
		2808
		2809	if (my $cb = $EXTICMD{$type}) {
		2810	@reply = $cb->($ns, @payload);
		2811	}
		2812
		2813	$ns->ext_reply ($reply, @reply)
		2814	if $reply;
		2815
		2816	} else {
		2817	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2818	}
		2819
		2820	cf::override;
		2821	},
2079	);	2822	);
2080		2823
2081	=item $client->async (\&cb)	2824	=item $client->async (\&cb)
2082		2825
2083	Create a new coroutine, running the specified callback. The coroutine will	2826	Create a new coroutine, running the specified callback. The coroutine will
…		…
2124	our $safe = new Safe "safe";	2867	our $safe = new Safe "safe";
2125	our $safe_hole = new Safe::Hole;	2868	our $safe_hole = new Safe::Hole;
2126		2869
2127	$SIG{FPE} = 'IGNORE';	2870	$SIG{FPE} = 'IGNORE';
2128		2871
2129	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2872	$safe->permit_only (Opcode::opset qw(
		2873	:base_core :base_mem :base_orig :base_math
		2874	grepstart grepwhile mapstart mapwhile
		2875	sort time
		2876	));
2130		2877
2131	# here we export the classes and methods available to script code	2878	# here we export the classes and methods available to script code
2132		2879
2133	=pod	2880	=pod
2134		2881
2135	The following functions and methods are available within a safe environment:	2882	The following functions and methods are available within a safe environment:
2136		2883
2137	cf::object contr pay_amount pay_player map	2884	cf::object
		2885	contr pay_amount pay_player map x y force_find force_add
		2886	insert remove name archname title slaying race decrease_ob_nr
		2887
2138	cf::object::player player	2888	cf::object::player
2139	cf::player peaceful	2889	player
2140	cf::map trigger	2890
		2891	cf::player
		2892	peaceful
		2893
		2894	cf::map
		2895	trigger
2141		2896
2142	=cut	2897	=cut
2143		2898
2144	for (	2899	for (
2145	["cf::object" => qw(contr pay_amount pay_player map)],	2900	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2901	insert remove inv name archname title slaying race
		2902	decrease_ob_nr)],
2146	["cf::object::player" => qw(player)],	2903	["cf::object::player" => qw(player)],
2147	["cf::player" => qw(peaceful)],	2904	["cf::player" => qw(peaceful)],
2148	["cf::map" => qw(trigger)],	2905	["cf::map" => qw(trigger)],
2149	) {	2906	) {
2150	no strict 'refs';	2907	no strict 'refs';
…		…
2221	=back	2978	=back
2222		2979
2223	=cut	2980	=cut
2224		2981
2225	#############################################################################	2982	#############################################################################
2226
2227	=head2 EXTENSION DATABASE SUPPORT
2228
2229	Crossfire maintains a very simple database for extension use. It can
2230	currently store anything that can be serialised using Storable, which
2231	excludes objects.
2232
2233	The parameter C<$family> should best start with the name of the extension
2234	using it, it should be unique.
2235
2236	=over 4
2237
2238	=item $value = cf::db_get $family => $key
2239
2240	Returns a single value from the database.
2241
2242	=item cf::db_put $family => $key => $value
2243
2244	Stores the given C<$value> in the family.
2245
2246	=cut
2247
2248	our $DB;
2249
2250	sub db_init {
2251	unless ($DB) {
2252	$DB = BDB::db_create $DB_ENV;
2253
2254	cf::sync_job {
2255	eval {
2256	$DB->set_flags (BDB::CHKSUM);
2257
2258	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2259	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2260	cf::cleanup "db_open(db): $!" if $!;
2261	};
2262	cf::cleanup "db_open(db): $@" if $@;
2263	};
2264
2265	my $path = cf::localdir . "/database.pst";
2266	if (stat $path) {
2267	cf::sync_job {
2268	my $pst = Storable::retrieve $path;
2269
2270	cf::db_put (board => data => $pst->{board});
2271	cf::db_put (guildrules => data => $pst->{guildrules});
2272	cf::db_put (rent => balance => $pst->{rent}{balance});
2273	BDB::db_env_txn_checkpoint $DB_ENV;
2274
2275	unlink $path;
2276	};
2277	}
2278	}
2279	}
2280
2281	sub db_get($$) {
2282	my $key = "$_[0]/$_[1]";
2283
2284	cf::sync_job {
2285	BDB::db_get $DB, undef, $key, my $data;
2286
2287	$! ? ()
2288	: Compress::LZF::sthaw $data
2289	}
2290	}
2291
2292	sub db_put($$$) {
2293	BDB::dbreq_pri 4;
2294	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2295	}
2296
2297	#############################################################################
2298	# the server's init and main functions	2983	# the server's init and main functions
2299		2984
2300	sub load_facedata {	2985	sub load_facedata($) {
2301	my $path = sprintf "%s/facedata", cf::datadir;	2986	my ($path) = @_;
		2987
		2988	# HACK to clear player env face cache, we need some signal framework
		2989	# for this (global event?)
		2990	%ext::player_env::MUSIC_FACE_CACHE = ();
		2991
		2992	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2302		2993
2303	warn "loading facedata from $path\n";	2994	warn "loading facedata from $path\n";
2304		2995
2305	my $faces;	2996	my $facedata;
2306	0 < aio_load $path, $faces	2997	0 < aio_load $path, $facedata
2307	or die "$path: $!";	2998	or die "$path: $!";
2308		2999
2309	Coro::cede;
2310	$faces = Storable::thaw $faces;	3000	$facedata = Coro::Storable::thaw $facedata;
2311	Coro::cede;
2312		3001
2313	my $meta = delete $faces->{""};
2314	$meta->{version} == 1	3002	$facedata->{version} == 2
2315	or cf::cleanup "$path: version mismatch, cannot proceed.";	3003	or cf::cleanup "$path: version mismatch, cannot proceed.";
2316		3004
		3005	# patch in the exptable
		3006	$facedata->{resource}{"res/exp_table"} = {
		3007	type => FT_RSRC,
		3008	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3009	};
		3010	cf::cede_to_tick;
		3011
		3012	{
		3013	my $faces = $facedata->{faceinfo};
		3014
2317	while (my ($face, $info) = each %$faces) {	3015	while (my ($face, $info) = each %$faces) {
2318	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3016	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2319	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3017	cf::face::set_visibility $idx, $info->{visibility};
		3018	cf::face::set_magicmap $idx, $info->{magicmap};
2320	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3019	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2321	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3020	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2322	Coro::cede;
2323	}
2324		3021
		3022	cf::cede_to_tick;
		3023	}
		3024
2325	while (my ($face, $info) = each %$faces) {	3025	while (my ($face, $info) = each %$faces) {
2326	next unless $info->{smooth};	3026	next unless $info->{smooth};
2327	my $idx = cf::face::find $face	3027	my $idx = cf::face::find $face
2328	or next;	3028	or next;
2329	if (my $smooth = cf::face::find $info->{smooth}) {	3029	if (my $smooth = cf::face::find $info->{smooth}) {
2330	cf::face::set_smooth $idx, $smooth;	3030	cf::face::set_smooth $idx, $smooth;
		3031	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2331	} else {	3032	} else {
2332	warn "smooth face '$info->{smooth}' not found for face '$face'";	3033	warn "smooth face '$info->{smooth}' not found for face '$face'";
2333	}	3034	}
2334	Coro::cede;	3035
		3036	cf::cede_to_tick;
		3037	}
		3038	}
		3039
		3040	{
		3041	my $anims = $facedata->{animinfo};
		3042
		3043	while (my ($anim, $info) = each %$anims) {
		3044	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3045	cf::cede_to_tick;
		3046	}
		3047
		3048	cf::anim::invalidate_all; # d'oh
		3049	}
		3050
		3051	{
		3052	# TODO: for gcfclient pleasure, we should give resources
		3053	# that gcfclient doesn't grok a >10000 face index.
		3054	my $res = $facedata->{resource};
		3055
		3056	my $soundconf = delete $res->{"res/sound.conf"};
		3057
		3058	while (my ($name, $info) = each %$res) {
		3059	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3060	my $data;
		3061
		3062	if ($info->{type} & 1) {
		3063	# prepend meta info
		3064
		3065	my $meta = $enc->encode ({
		3066	name => $name,
		3067	%{ $info->{meta} || {} },
		3068	});
		3069
		3070	$data = pack "(w/a*)*", $meta, $info->{data};
		3071	} else {
		3072	$data = $info->{data};
		3073	}
		3074
		3075	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3076	cf::face::set_type $idx, $info->{type};
		3077
		3078	cf::cede_to_tick;
		3079	}
		3080
		3081	if ($soundconf) {
		3082	$soundconf = $enc->decode (delete $soundconf->{data});
		3083
		3084	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3085	my $sound = $soundconf->{compat}[$_]
		3086	or next;
		3087
		3088	my $face = cf::face::find "sound/$sound->[1]";
		3089	cf::sound::set $sound->[0] => $face;
		3090	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3091	}
		3092
		3093	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3094	my $face = cf::face::find "sound/$v";
		3095	cf::sound::set $k => $face;
		3096	}
		3097	}
2335	}	3098	}
2336		3099
2337	1	3100	1
2338	}	3101	}
2339		3102
		3103	register_exticmd fx_want => sub {
		3104	my ($ns, $want) = @_;
		3105
		3106	while (my ($k, $v) = each %$want) {
		3107	$ns->fx_want ($k, $v);
		3108	}
		3109	};
		3110
		3111	sub reload_regions {
		3112	# HACK to clear player env face cache, we need some signal framework
		3113	# for this (global event?)
		3114	%ext::player_env::MUSIC_FACE_CACHE = ();
		3115
		3116	load_resource_file "$MAPDIR/regions"
		3117	or die "unable to load regions file\n";
		3118
		3119	for (cf::region::list) {
		3120	$_->{match} = qr/$_->{match}/
		3121	if exists $_->{match};
		3122	}
		3123	}
		3124
		3125	sub reload_facedata {
		3126	load_facedata "$DATADIR/facedata"
		3127	or die "unable to load facedata\n";
		3128	}
		3129
		3130	sub reload_archetypes {
		3131	load_resource_file "$DATADIR/archetypes"
		3132	or die "unable to load archetypes\n";
		3133	#d# NEED to laod twice to resolve forward references
		3134	# this really needs to be done in an extra post-pass
		3135	# (which needs to be synchronous, so solve it differently)
		3136	load_resource_file "$DATADIR/archetypes"
		3137	or die "unable to load archetypes\n";
		3138	}
		3139
		3140	sub reload_treasures {
		3141	load_resource_file "$DATADIR/treasures"
		3142	or die "unable to load treasurelists\n";
		3143	}
		3144
2340	sub reload_resources {	3145	sub reload_resources {
2341	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3146	warn "reloading resource files...\n";
2342	or die "unable to load regions file\n";#d#	3147
		3148	reload_regions;
2343	load_facedata	3149	reload_facedata;
2344	or die "unable to load facedata\n";#d#	3150	#reload_archetypes;#d#
		3151	reload_archetypes;
		3152	reload_treasures;
		3153
		3154	warn "finished reloading resource files\n";
2345	}	3155	}
2346		3156
2347	sub init {	3157	sub init {
2348	reload_resources;	3158	reload_resources;
2349	}	3159	}
2350		3160
2351	sub cfg_load {	3161	sub reload_config {
2352	open my $fh, "<:utf8", cf::confdir . "/config"	3162	open my $fh, "<:utf8", "$CONFDIR/config"
2353	or return;	3163	or return;
2354		3164
2355	local $/;	3165	local $/;
2356	*CFG = YAML::Syck::Load <$fh>;	3166	*CFG = YAML::Syck::Load <$fh>;
2357		3167
…		…
2376	(async {	3186	(async {
2377	Event::one_event;	3187	Event::one_event;
2378	})->prio (Coro::PRIO_MAX);	3188	})->prio (Coro::PRIO_MAX);
2379	};	3189	};
2380		3190
2381	cfg_load;	3191	reload_config;
2382	db_init;	3192	db_init;
2383	load_extensions;	3193	load_extensions;
2384		3194
2385	$TICK_WATCHER->start;	3195	$TICK_WATCHER->start;
2386	Event::loop;	3196	Event::loop;
…		…
2402	},	3212	},
2403	);	3213	);
2404	}	3214	}
2405	}	3215	}
2406		3216
		3217	sub write_runtime {
		3218	my $runtime = "$LOCALDIR/runtime";
		3219
		3220	# first touch the runtime file to show we are still running:
		3221	# the fsync below can take a very very long time.
		3222
		3223	IO::AIO::aio_utime $runtime, undef, undef;
		3224
		3225	my $guard = cf::lock_acquire "write_runtime";
		3226
		3227	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3228	or return;
		3229
		3230	my $value = $cf::RUNTIME + 90 + 10;
		3231	# 10 is the runtime save interval, for a monotonic clock
		3232	# 60 allows for the watchdog to kill the server.
		3233
		3234	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3235	and return;
		3236
		3237	# always fsync - this file is important
		3238	aio_fsync $fh
		3239	and return;
		3240
		3241	# touch it again to show we are up-to-date
		3242	aio_utime $fh, undef, undef;
		3243
		3244	close $fh
		3245	or return;
		3246
		3247	aio_rename "$runtime~", $runtime
		3248	and return;
		3249
		3250	warn "runtime file written.\n";
		3251
		3252	1
		3253	}
		3254
2407	sub emergency_save() {	3255	sub emergency_save() {
2408	my $freeze_guard = cf::freeze_mainloop;	3256	my $freeze_guard = cf::freeze_mainloop;
2409		3257
2410	warn "enter emergency perl save\n";	3258	warn "enter emergency perl save\n";
2411		3259
…		…
2442		3290
2443	warn Carp::longmess "post_cleanup backtrace"	3291	warn Carp::longmess "post_cleanup backtrace"
2444	if $make_core;	3292	if $make_core;
2445	}	3293	}
2446		3294
2447	sub reload() {	3295	sub do_reload_perl() {
2448	# can/must only be called in main	3296	# can/must only be called in main
2449	if ($Coro::current != $Coro::main) {	3297	if ($Coro::current != $Coro::main) {
2450	warn "can only reload from main coroutine";	3298	warn "can only reload from main coroutine";
2451	return;	3299	return;
2452	}	3300	}
…		…
2486	%EXT_CORO = ();	3334	%EXT_CORO = ();
2487		3335
2488	warn "removing commands";	3336	warn "removing commands";
2489	%COMMAND = ();	3337	%COMMAND = ();
2490		3338
2491	warn "removing ext commands";	3339	warn "removing ext/exti commands";
2492	%EXTCMD = ();	3340	%EXTCMD = ();
		3341	%EXTICMD = ();
2493		3342
2494	warn "unloading/nuking all extensions";	3343	warn "unloading/nuking all extensions";
2495	for my $pkg (@EXTS) {	3344	for my $pkg (@EXTS) {
2496	warn "... unloading $pkg";	3345	warn "... unloading $pkg";
2497		3346
…		…
2527	Symbol::delete_package "safe::$_"	3376	Symbol::delete_package "safe::$_"
2528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2529		3378
2530	warn "unloading cf.pm \"a bit\"";	3379	warn "unloading cf.pm \"a bit\"";
2531	delete $INC{"cf.pm"};	3380	delete $INC{"cf.pm"};
		3381	delete $INC{"cf/pod.pm"};
2532		3382
2533	# don't, removes xs symbols, too,	3383	# don't, removes xs symbols, too,
2534	# and global variables created in xs	3384	# and global variables created in xs
2535	#Symbol::delete_package __PACKAGE__;	3385	#Symbol::delete_package __PACKAGE__;
2536		3386
…		…
2539	warn "reloading cf.pm";	3389	warn "reloading cf.pm";
2540	require cf;	3390	require cf;
2541	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2542		3392
2543	warn "loading config and database again";	3393	warn "loading config and database again";
2544	cf::cfg_load;	3394	cf::reload_config;
2545		3395
2546	warn "loading extensions";	3396	warn "loading extensions";
2547	cf::load_extensions;	3397	cf::load_extensions;
2548		3398
2549	warn "reattaching attachments to objects/players";	3399	warn "reattaching attachments to objects/players";
…		…
2551	warn "reattaching attachments to maps";	3401	warn "reattaching attachments to maps";
2552	reattach $_ for values %MAP;	3402	reattach $_ for values %MAP;
2553	warn "reattaching attachments to players";	3403	warn "reattaching attachments to players";
2554	reattach $_ for values %PLAYER;	3404	reattach $_ for values %PLAYER;
2555		3405
2556	warn "loading reloadable resources";
2557	reload_resources;
2558
2559	warn "leaving sync_job";	3406	warn "leaving sync_job";
2560		3407
2561	1	3408	1
2562	} or do {	3409	} or do {
2563	warn $@;	3410	warn $@;
…		…
2568	warn "reloaded";	3415	warn "reloaded";
2569	};	3416	};
2570		3417
2571	our $RELOAD_WATCHER; # used only during reload	3418	our $RELOAD_WATCHER; # used only during reload
2572		3419
		3420	sub reload_perl() {
		3421	# doing reload synchronously and two reloads happen back-to-back,
		3422	# coro crashes during coro_state_free->destroy here.
		3423
		3424	$RELOAD_WATCHER ||= Event->timer (
		3425	reentrant => 0,
		3426	after => 0,
		3427	data => WF_AUTOCANCEL,
		3428	cb => sub {
		3429	do_reload_perl;
		3430	undef $RELOAD_WATCHER;
		3431	},
		3432	);
		3433	}
		3434
2573	register_command "reload" => sub {	3435	register_command "reload" => sub {
2574	my ($who, $arg) = @_;	3436	my ($who, $arg) = @_;
2575		3437
2576	if ($who->flag (FLAG_WIZ)) {	3438	if ($who->flag (FLAG_WIZ)) {
2577	$who->message ("reloading server.");	3439	$who->message ("reloading server.");
2578		3440	async { reload_perl };
2579	# doing reload synchronously and two reloads happen back-to-back,
2580	# coro crashes during coro_state_free->destroy here.
2581
2582	$RELOAD_WATCHER ||= Event->timer (
2583	reentrant => 0,
2584	after => 0,
2585	data => WF_AUTOCANCEL,
2586	cb => sub {
2587	reload;
2588	undef $RELOAD_WATCHER;
2589	},
2590	);
2591	}	3441	}
2592	};	3442	};
2593		3443
2594	unshift @INC, $LIBDIR;	3444	unshift @INC, $LIBDIR;
2595		3445
2596	my $bug_warning = 0;	3446	my $bug_warning = 0;
		3447
		3448	our @WAIT_FOR_TICK;
		3449	our @WAIT_FOR_TICK_BEGIN;
		3450
		3451	sub wait_for_tick {
		3452	return unless $TICK_WATCHER->is_active;
		3453	return if $Coro::current == $Coro::main;
		3454
		3455	my $signal = new Coro::Signal;
		3456	push @WAIT_FOR_TICK, $signal;
		3457	$signal->wait;
		3458	}
		3459
		3460	sub wait_for_tick_begin {
		3461	return unless $TICK_WATCHER->is_active;
		3462	return if $Coro::current == $Coro::main;
		3463
		3464	my $signal = new Coro::Signal;
		3465	push @WAIT_FOR_TICK_BEGIN, $signal;
		3466	$signal->wait;
		3467	}
2597		3468
2598	$TICK_WATCHER = Event->timer (	3469	$TICK_WATCHER = Event->timer (
2599	reentrant => 0,	3470	reentrant => 0,
2600	parked => 1,	3471	parked => 1,
2601	prio => 0,	3472	prio => 0,
…		…
2606	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3477	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2607	unless ++$bug_warning > 10;	3478	unless ++$bug_warning > 10;
2608	return;	3479	return;
2609	}	3480	}
2610		3481
2611	$NOW = Event::time;	3482	$NOW = $tick_start = Event::time;
2612		3483
2613	cf::server_tick; # one server iteration	3484	cf::server_tick; # one server iteration
		3485
2614	$RUNTIME += $TICK;	3486	$RUNTIME += $TICK;
2615	$NEXT_TICK += $TICK;	3487	$NEXT_TICK += $TICK;
2616		3488
2617	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3489	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2618	$NEXT_RUNTIME_WRITE = $NOW + 10;	3490	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2620	write_runtime	3492	write_runtime
2621	or warn "ERROR: unable to write runtime file: $!";	3493	or warn "ERROR: unable to write runtime file: $!";
2622	};	3494	};
2623	}	3495	}
2624		3496
2625	$WAIT_FOR_TICK->broadcast;	3497	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2626	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3498	$sig->send;
		3499	}
		3500	while (my $sig = shift @WAIT_FOR_TICK) {
		3501	$sig->send;
		3502	}
2627		3503
2628	# my $AFTER = Event::time;	3504	$NOW = Event::time;
2629	# warn $AFTER - $NOW;#d#
2630		3505
2631	# if we are delayed by four ticks or more, skip them all	3506	# if we are delayed by four ticks or more, skip them all
2632	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3507	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2633		3508
2634	$TICK_WATCHER->at ($NEXT_TICK);	3509	$TICK_WATCHER->at ($NEXT_TICK);
2635	$TICK_WATCHER->start;	3510	$TICK_WATCHER->start;
		3511
		3512	$LOAD = ($NOW - $tick_start) / $TICK;
		3513	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3514
		3515	_post_tick;
2636	},	3516	},
2637	);	3517	);
2638		3518
2639	{	3519	{
		3520	BDB::min_parallel 8;
2640	BDB::max_poll_time $TICK * 0.1;	3521	BDB::max_poll_time $TICK * 0.1;
2641	$BDB_POLL_WATCHER = Event->io (	3522	$BDB_POLL_WATCHER = Event->io (
2642	reentrant => 0,	3523	reentrant => 0,
2643	fd => BDB::poll_fileno,	3524	fd => BDB::poll_fileno,
2644	poll => 'r',	3525	poll => 'r',
2645	prio => 0,	3526	prio => 0,
2646	data => WF_AUTOCANCEL,	3527	data => WF_AUTOCANCEL,
2647	cb => \&BDB::poll_cb,	3528	cb => \&BDB::poll_cb,
2648	);	3529	);
2649	BDB::min_parallel 8;
2650		3530
2651	BDB::set_sync_prepare {	3531	BDB::set_sync_prepare {
2652	my $status;	3532	my $status;
2653	my $current = $Coro::current;	3533	my $current = $Coro::current;
2654	(	3534	(
…		…
2663	)	3543	)
2664	};	3544	};
2665		3545
2666	unless ($DB_ENV) {	3546	unless ($DB_ENV) {
2667	$DB_ENV = BDB::db_env_create;	3547	$DB_ENV = BDB::db_env_create;
		3548	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3549	| BDB::LOG_AUTOREMOVE, 1);
		3550	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3551	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2668		3552
2669	cf::sync_job {	3553	cf::sync_job {
2670	eval {	3554	eval {
2671	BDB::db_env_open	3555	BDB::db_env_open
2672	$DB_ENV,	3556	$DB_ENV,
2673	$BDB_ENV_DIR,	3557	$BDBDIR,
2674	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3558	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2675	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3559	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2676	0666;	3560	0666;
2677		3561
2678	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3562	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2679
2680	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2681	$DB_ENV->set_lk_detect;
2682	};	3563	};
2683		3564
2684	cf::cleanup "db_env_open(db): $@" if $@;	3565	cf::cleanup "db_env_open(db): $@" if $@;
2685	};	3566	};
2686	}	3567	}
		3568
		3569	$BDB_DEADLOCK_WATCHER = Event->timer (
		3570	after => 3,
		3571	interval => 1,
		3572	hard => 1,
		3573	prio => 0,
		3574	data => WF_AUTOCANCEL,
		3575	cb => sub {
		3576	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3577	},
		3578	);
		3579	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3580	after => 11,
		3581	interval => 60,
		3582	hard => 1,
		3583	prio => 0,
		3584	data => WF_AUTOCANCEL,
		3585	cb => sub {
		3586	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3587	},
		3588	);
		3589	$BDB_TRICKLE_WATCHER = Event->timer (
		3590	after => 5,
		3591	interval => 10,
		3592	hard => 1,
		3593	prio => 0,
		3594	data => WF_AUTOCANCEL,
		3595	cb => sub {
		3596	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3597	},
		3598	);
2687	}	3599	}
2688		3600
2689	{	3601	{
2690	IO::AIO::min_parallel 8;	3602	IO::AIO::min_parallel 8;
2691		3603
…		…
2699	prio => 6,	3611	prio => 6,
2700	cb => \&IO::AIO::poll_cb,	3612	cb => \&IO::AIO::poll_cb,
2701	);	3613	);
2702	}	3614	}
2703		3615
		3616	my $_log_backtrace;
		3617
		3618	sub _log_backtrace {
		3619	my ($msg, @addr) = @_;
		3620
		3621	$msg =~ s/\n//;
		3622
		3623	# limit the # of concurrent backtraces
		3624	if ($_log_backtrace < 2) {
		3625	++$_log_backtrace;
		3626	async {
		3627	my @bt = fork_call {
		3628	@addr = map { sprintf "%x", $_ } @addr;
		3629	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3630	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3631	or die "addr2line: $!";
		3632
		3633	my @funcs;
		3634	my @res = <$fh>;
		3635	chomp for @res;
		3636	while (@res) {
		3637	my ($func, $line) = splice @res, 0, 2, ();
		3638	push @funcs, "[$func] $line";
		3639	}
		3640
		3641	@funcs
		3642	};
		3643
		3644	LOG llevInfo, "[ABT] $msg\n";
		3645	LOG llevInfo, "[ABT] $_\n" for @bt;
		3646	--$_log_backtrace;
		3647	};
		3648	} else {
		3649	LOG llevInfo, "[ABT] $msg\n";
		3650	LOG llevInfo, "[ABT] [suppressed]\n";
		3651	}
		3652	}
		3653
		3654	# load additional modules
		3655	use cf::pod;
		3656
2704	END { cf::emergency_save }	3657	END { cf::emergency_save }
2705		3658
2706	1	3659	1
2707		3660

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