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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.379 by root, Thu Oct 4 23:59:07 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;
21	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
22		25
		26	use JSON::XS ();
23	use BDB ();	27	use BDB ();
24	use Data::Dumper;	28	use Data::Dumper;
25	use Digest::MD5;	29	use Digest::MD5;
26	use Fcntl;	30	use Fcntl;
27	use YAML::Syck ();	31	use YAML::Syck ();
28	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
29	use Time::HiRes;	33	use Time::HiRes;
30	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
31		36
32	# configure various modules to our taste	37	# configure various modules to our taste
33	#	38	#
34	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
35	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
…		…
47	our %COMMAND = ();	52	our %COMMAND = ();
48	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
49		54
50	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
54		60
55	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
56	our @EVENT;	62	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		63
59	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(!)
60	our $TICK_WATCHER;	77	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	80	our $NEXT_TICK;
64	our $NOW;	81	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		83
67	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	88	our $DB_ENV;
69		89
70	our %CFG;	90	our %CFG;
71		91
72	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	93	our $RUNTIME;
74		94
75	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		98
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $tick_start; # for load detecting purposes
		105
87	binmode STDOUT;	106	binmode STDOUT;
88	binmode STDERR;	107	binmode STDERR;
89		108
90	# read virtual server time, if available	109	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
93	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
94	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
95	}	114	}
96		115
97	mkdir cf::localdir;	116	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		118
104	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
105		120
106	sub cf::map::normalise;	121	sub cf::map::normalise;
107		122
…		…
118	=item $cf::RUNTIME	133	=item $cf::RUNTIME
119		134
120	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
121	every server tick.	136	every server tick.
122		137
123	=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
124		141
125	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		146
128	=item $cf::NOW	147	=item $cf::NOW
129		148
130	The time of the last (current) server tick.	149	The time of the last (current) server tick.
131		150
132	=item $cf::TICK	151	=item $cf::TICK
133		152
134	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.
135		164
136	=item %cf::CFG	165	=item %cf::CFG
137		166
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
139	from wherever your confdir points to.	168	from wherever your confdir points to.
140		169
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		171
143	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
144	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
145	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.
146	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.
147		181
148	=back	182	=back
149		183
150	=cut	184	=cut
151		185
152	BEGIN {	186	BEGIN {
153	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	188	my $msg = join "", @_;
155	utf8::encode $msg;
156		189
157	$msg .= "\n"	190	$msg .= "\n"
158	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
159		194
160	LOG llevError, $msg;	195	LOG llevError, $msg;
161	};	196	};
162	}	197	}
163		198
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		206
171	# 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
172	# within the Safe compartment.	208	# within the Safe compartment.
173	for my $pkg (qw(	209	for my $pkg (qw(
174	cf::global cf::attachable	210	cf::global cf::attachable
…		…
182	}	218	}
183		219
184	$Event::DIED = sub {	220	$Event::DIED = sub {
185	warn "error in event callback: @_";	221	warn "error in event callback: @_";
186	};	222	};
		223
		224	#############################################################################
187		225
188	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
189		227
190	=over 4	228	=over 4
191		229
…		…
210	$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;
211	$d	249	$d
212	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
213	}	251	}
214		252
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
218		254
219	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
220		256
221	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
222		258
223	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		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]) }
224		267
225	=item cf::lock_wait $string	268	=item cf::lock_wait $string
226		269
227	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
228		271
…		…
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
234	returned.	277	returned.
235		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
236	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
237	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
238		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
239	=cut	289	=cut
240		290
241	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
242		293
243	sub lock_wait($) {	294	sub lock_wait($) {
244	my ($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#
245		301
246	# wait for lock, if any	302	# wait for lock, if any
247	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	305	Coro::schedule;
…		…
255		311
256	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
257	lock_wait $key;	313	lock_wait $key;
258		314
259	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
260		317
261	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
264	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
265	}	329	}
266		330
267	sub freeze_mainloop {	331	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
269		333
…		…
272	};	336	};
273	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
274	$guard	338	$guard
275	}	339	}
276		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	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
277	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
278		400
279	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
281	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
284		406
285	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
286		408
287	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
288		410
289	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
292		415
293	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
296	fast or be very important.	419	fast or be very important.
…		…
299		422
300	sub sync_job(&) {	423	sub sync_job(&) {
301	my ($job) = @_;	424	my ($job) = @_;
302		425
303	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
304	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
306		431
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
307	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	435	# (but this is cancel-safe)
309	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
310		437
311	my $busy = 1;	438	my $busy = 1;
312	my @res;	439	my @res;
313		440
314	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	443	@res = eval { $job->() };
316	warn $@ if $@;	444	warn $@ if $@;
317	undef $busy;	445	undef $busy;
318	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
319		447
320	while ($busy) {	448	while ($busy) {
321	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
322	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
323		458
324	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
325	} else {	460	} else {
326	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
327		462
…		…
347	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
348		483
349	$coro	484	$coro
350	}	485	}
351		486
352	sub write_runtime {	487	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		488
355	my $runtime = cf::localdir . "/runtime";	489	Executes the given code block with the given arguments in a seperate
		490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
356		493
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	494	=cut
358	or return;
359		495
360	my $value = $cf::RUNTIME + 90 + 10;	496	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	497	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		498
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	499	# we seemingly have to make a local copy of the whole thing,
365	and return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
366		502
367	# always fsync - this file is important	503	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	504	reset_signals;
369	and return;	505	&$cb
		506	}, @args;
370		507
371	close $fh	508	wantarray ? @res : $res[-1]
372	or return;	509	}
373		510
374	aio_rename "$runtime~", $runtime	511	=item $value = cf::db_get $family => $key
375	and return;
376		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
377	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
378	}	636	}
379		637
380	=item cf::datalog type => key => value, ...	638	=item cf::datalog type => key => value, ...
381		639
382	Log a datalog packet of the given type with the given key-value pairs.	640	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
402		660
403	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	663	Crossfire TRT).
406		664
407	=over 4	665	=over 4
408		666
409	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
410		668
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
574		832
575	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		837
580	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	839	my $pkg = shift @arg;
582		840
583	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
613	}	871	}
614		872
615	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
616	} else {	874	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	876	}
619		877
620	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
621	}	879	}
622		880
…		…
624	if (ref $_[0]) {	882	if (ref $_[0]) {
625	_object_attach @_;	883	_object_attach @_;
626	} else {	884	} else {
627	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
628	}	886	}
		887	_recalc_want;
629	};	888	};
630		889
631	# all those should be optimised	890	# all those should be optimised
632	sub cf::attachable::detach {	891	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
637	reattach ($obj);	896	reattach ($obj);
638	} else {	897	} else {
639	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
640	}	899	}
		900	_recalc_want;
641	};	901	};
642		902
643	sub cf::attachable::attached {	903	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
645		905
…		…
660	";	920	";
661	die if $@;	921	die if $@;
662	}	922	}
663		923
664	our $override;	924	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		926
667	sub override {	927	sub override {
668	$override = 1;	928	$override = 1;
669	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
670	}	930	}
671		931
672	sub do_invoke {	932	sub do_invoke {
673	my $event = shift;	933	my $event = shift;
674	my $callbacks = shift;	934	my $callbacks = shift;
675		935
676	@invoke_results = ();	936	@INVOKE_RESULTS = ();
677		937
678	local $override;	938	local $override;
679		939
680	for (@$callbacks) {	940	for (@$callbacks) {
681	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
698		958
699	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
700		960
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		964
705	=back	965	=back
706		966
707	=cut	967	=cut
708		968
709	#############################################################################	969	#############################################################################
710	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
711		982
712	sub reattach {	983	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	985	my ($obj) = @_;
715		986
…		…
762	sub object_freezer_save {	1033	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
764		1035
765	sync_job {	1036	sync_job {
766	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
769		1041
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1045	aio_fsync $fh if $cf::USE_FSYNC;
…		…
792	}	1064	}
793	} else {	1065	} else {
794	aio_unlink $filename;	1066	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
796	}	1068	}
797	}	1069	};
798	}	1070	}
799		1071
800	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
802		1074
…		…
814	or return;	1086	or return;
815		1087
816	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
818	or return;	1090	or return;
		1091
819	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
820	}	1093	}
821		1094
		1095	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1096	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1097	$decname, length $data, scalar @{$av || []};
		1098
824	return ($data, $av);	1099	($data, $av)
825	}	1100	}
		1101
		1102	=head2 COMMAND CALLBACKS
		1103
		1104	=over 4
		1105
		1106	=cut
826		1107
827	#############################################################################	1108	#############################################################################
828	# command handling &c	1109	# command handling &c
829		1110
830	=item cf::register_command $name => \&callback($ob,$args);	1111	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1124	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1125	}
845		1126
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1127	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1128
848	Register a callbackf ro execution when the client sends an extcmd packet.	1129	Register a callback for execution when the client sends an (synchronous)
		1130	extcmd packet. Ext commands will be processed in the order they are
		1131	received by the server, like other user commands. The first argument is
		1132	the logged-in player. Ext commands can only be processed after a player
		1133	has logged in successfully.
849		1134
850	If the callback returns something, it is sent back as if reply was being	1135	If the callback returns something, it is sent back as if reply was being
851	called.	1136	called.
852		1137
		1138	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1139
		1140	Register a callback for execution when the client sends an (asynchronous)
		1141	exticmd packet. Exti commands are processed by the server as soon as they
		1142	are received, i.e. out of order w.r.t. other commands. The first argument
		1143	is a client socket. Exti commands can be received anytime, even before
		1144	log-in.
		1145
		1146	If the callback returns something, it is sent back as if reply was being
		1147	called.
		1148
853	=cut	1149	=cut
854		1150
855	sub register_extcmd {	1151	sub register_extcmd {
856	my ($name, $cb) = @_;	1152	my ($name, $cb) = @_;
857		1153
858	$EXTCMD{$name} = $cb;	1154	$EXTCMD{$name} = $cb;
		1155	}
		1156
		1157	sub register_exticmd {
		1158	my ($name, $cb) = @_;
		1159
		1160	$EXTICMD{$name} = $cb;
859	}	1161	}
860		1162
861	cf::player->attach (	1163	cf::player->attach (
862	on_command => sub {	1164	on_command => sub {
863	my ($pl, $name, $params) = @_;	1165	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1174	cf::override;
873	},	1175	},
874	on_extcmd => sub {	1176	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1177	my ($pl, $buf) = @_;
876		1178
877	my $msg = eval { from_json $buf };	1179	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1180
879	if (ref $msg) {	1181	if (ref $msg) {
		1182	my ($type, $reply, @payload) =
		1183	"ARRAY" eq ref $msg
		1184	? @$msg
		1185	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1186
		1187	my @reply;
		1188
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1189	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1190	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1191	}
		1192
		1193	$pl->ext_reply ($reply, @reply)
		1194	if $reply;
		1195
885	} else {	1196	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1197	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1198	}
888		1199
889	cf::override;	1200	cf::override;
890	},	1201	},
891	);	1202	);
892		1203
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1204	sub load_extensions {
		1205	cf::sync_job {
		1206	my %todo;
		1207
928	for my $ext (<$LIBDIR/*.ext>) {	1208	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1209	next unless -r $path;
930	eval {	1210
931	load_extension $ext;	1211	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1212	my $base = $1;
		1213	my $pkg = $1;
		1214	$pkg =~ s/[^[:word:]]/_/g;
		1215	$pkg = "ext::$pkg";
		1216
		1217	open my $fh, "<:utf8", $path
		1218	or die "$path: $!";
		1219
		1220	my $source = do { local $/; <$fh> };
		1221
		1222	my %ext = (
		1223	path => $path,
		1224	base => $base,
		1225	pkg => $pkg,
		1226	);
		1227
		1228	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1229	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1230
		1231	$ext{source} =
		1232	"package $pkg; use strict; use utf8;\n"
		1233	. "#line 1 \"$path\"\n{\n"
		1234	. $source
		1235	. "\n};\n1";
		1236
		1237	$todo{$base} = \%ext;
		1238	}
		1239
		1240	my %done;
		1241	while (%todo) {
		1242	my $progress;
		1243
		1244	while (my ($k, $v) = each %todo) {
		1245	for (split /,\s*/, $v->{meta}{depends}) {
		1246	goto skip
		1247	unless exists $done{$_};
		1248	}
		1249
		1250	warn "... loading '$k' into '$v->{pkg}'\n";
		1251
		1252	unless (eval $v->{source}) {
		1253	my $msg = $@ ? "$v->{path}: $@\n"
		1254	: "$v->{base}: extension inactive.\n";
		1255
		1256	if (exists $v->{meta}{mandatory}) {
		1257	warn $msg;
		1258	warn "mandatory extension failed to load, exiting.\n";
		1259	exit 1;
		1260	}
		1261
		1262	warn $msg;
		1263	}
		1264
		1265	$done{$k} = delete $todo{$k};
		1266	push @EXTS, $v->{pkg};
		1267	$progress = 1;
932	1	1268	}
933	} or warn "$ext not loaded: $@";	1269
		1270	skip:
		1271	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1272	unless $progress;
		1273	}
934	}	1274	};
935	}	1275	}
936		1276
937	#############################################################################	1277	#############################################################################
938		1278
		1279	=back
		1280
939	=head2 CORE EXTENSIONS	1281	=head2 CORE EXTENSIONS
940		1282
941	Functions and methods that extend core crossfire objects.	1283	Functions and methods that extend core crossfire objects.
942		1284
943	=cut	1285	=cut
…		…
948		1290
949	=head3 cf::player	1291	=head3 cf::player
950		1292
951	=over 4	1293	=over 4
952		1294
		1295	=item cf::player::num_playing
		1296
		1297	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1298
		1299	=cut
		1300
		1301	sub num_playing {
		1302	scalar grep
		1303	$_->ob->map
		1304	&& !$_->hidden
		1305	&& !$_->ob->flag (cf::FLAG_WIZ),
		1306	cf::player::list
		1307	}
		1308
953	=item cf::player::find $login	1309	=item cf::player::find $login
954		1310
955	Returns the given player object, loading it if necessary (might block).	1311	Returns the given player object, loading it if necessary (might block).
956		1312
957	=cut	1313	=cut
958		1314
959	sub playerdir($) {	1315	sub playerdir($) {
960	cf::localdir	1316	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1317	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1318	}
966		1319
967	sub path($) {	1320	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1321	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1348	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1349	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1350	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1351	aio_unlink +(playerdir $login) . "/$login.pl";
999		1352
1000	my $pl = load_pl path $login	1353	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1354	or return;
		1355
		1356	my $pl = cf::player::load_pl $f
		1357	or return;
		1358	local $cf::PLAYER_LOADING{$login} = $pl;
		1359	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1360	$cf::PLAYER{$login} = $pl
1003	}	1361	}
1004	}	1362	}
1005	}	1363	}
1006		1364
…		…
1016		1374
1017	aio_mkdir playerdir $pl, 0770;	1375	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1376	$pl->{last_save} = $cf::RUNTIME;
1019		1377
1020	$pl->save_pl ($path);	1378	$pl->save_pl ($path);
1021	Coro::cede;	1379	cf::cede_to_tick;
1022	}	1380	}
1023		1381
1024	sub new($) {	1382	sub new($) {
1025	my ($login) = @_;	1383	my ($login) = @_;
1026		1384
…		…
1030	$self->{deny_save} = 1;	1388	$self->{deny_save} = 1;
1031		1389
1032	$cf::PLAYER{$login} = $self;	1390	$cf::PLAYER{$login} = $self;
1033		1391
1034	$self	1392	$self
		1393	}
		1394
		1395	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1396
		1397	=cut
		1398
		1399	sub send_msg {
		1400	my $ns = shift->ns
		1401	or return;
		1402	$ns->send_msg (@_);
1035	}	1403	}
1036		1404
1037	=item $pl->quit_character	1405	=item $pl->quit_character
1038		1406
1039	Nukes the player without looking back. If logged in, the connection will	1407	Nukes the player without looking back. If logged in, the connection will
…		…
1088	while and may block, so not sync_job-capable, ever.	1456	while and may block, so not sync_job-capable, ever.
1089		1457
1090	=cut	1458	=cut
1091		1459
1092	sub list_logins {	1460	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1461	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1462	or return [];
1095		1463
1096	my @logins;	1464	my @logins;
1097		1465
1098	for my $login (@$dirs) {	1466	for my $login (@$dirs) {
		1467	my $path = path $login;
		1468
		1469	# a .pst is a dead give-away for a valid player
		1470	unless (-e "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1471	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1472	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1473	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1474	}
1102		1475
1103	utf8::decode $login;	1476	utf8::decode $login;
1104	push @logins, $login;	1477	push @logins, $login;
1105	}	1478	}
1106		1479
…		…
1133	}	1506	}
1134		1507
1135	\@paths	1508	\@paths
1136	}	1509	}
1137		1510
		1511	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1512
		1513	Expand crossfire pod fragments into protocol xml.
		1514
		1515	=cut
		1516
		1517	sub expand_cfpod {
		1518	((my $self), (local $_)) = @_;
		1519
		1520	# escape & and <
		1521	s/&/&amp;/g;
		1522	s/(?<![BIUGHT])</&lt;/g;
		1523
		1524	# this is buggy, it needs to properly take care of nested <'s
		1525
		1526	1 while
		1527	# replace B<>, I<>, U<> etc.
		1528	s/B<([^\>]*)>/<b>$1<\/b>/
		1529	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1530	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1531	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1532	# replace G<male|female> tags
		1533	|| s{G<([^>|]*)\|([^>]*)>}{
		1534	$self->gender ? $2 : $1
		1535	}ge
		1536	# replace H<hint text>
		1537	|| s{H<([^\>]*)>}
		1538	{
		1539	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1540	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1541	"")
		1542	[$self->{hintmode}]
		1543	}ge;
		1544
		1545	# create single paragraphs (very hackish)
		1546	s/(?<=\S)\n(?=\w)/ /g;
		1547
		1548	# compress some whitespace
		1549	s/\s+\n/\n/g; # ws line-ends
		1550	s/\n\n+/\n/g; # double lines
		1551	s/^\n+//; # beginning lines
		1552	s/\n+$//; # ending lines
		1553
		1554	$_
		1555	}
		1556
		1557	sub hintmode {
		1558	$_[0]{hintmode} = $_[1] if @_ > 1;
		1559	$_[0]{hintmode}
		1560	}
		1561
1138	=item $player->ext_reply ($msgid, %msg)	1562	=item $player->ext_reply ($msgid, @msg)
1139		1563
1140	Sends an ext reply to the player.	1564	Sends an ext reply to the player.
1141		1565
1142	=cut	1566	=cut
1143		1567
1144	sub ext_reply($$%) {	1568	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1569	my ($self, $id, @msg) = @_;
1146		1570
1147	$msg{msgid} = $id;	1571	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1572	}
1151		1573
1152	=item $player->ext_event ($type, %msg)	1574	=item $player->ext_msg ($type, @msg)
1153		1575
1154	Sends an ext event to the client.	1576	Sends an ext event to the client.
1155		1577
1156	=cut	1578	=cut
1157		1579
1158	sub ext_event($$%) {	1580	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1581	my ($self, $type, @msg) = @_;
1160		1582
1161	$self->ns->ext_event ($type, %msg);	1583	$self->ns->ext_msg ($type, @msg);
1162	}	1584	}
1163		1585
1164	package cf;	1586	=head3 cf::region
		1587
		1588	=over 4
		1589
		1590	=cut
		1591
		1592	package cf::region;
		1593
		1594	=item cf::region::find_by_path $path
		1595
		1596	Tries to decuce the likely region for a map knowing only its path.
		1597
		1598	=cut
		1599
		1600	sub find_by_path($) {
		1601	my ($path) = @_;
		1602
		1603	my ($match, $specificity);
		1604
		1605	for my $region (list) {
		1606	if ($region->{match} && $path =~ $region->{match}) {
		1607	($match, $specificity) = ($region, $region->specificity)
		1608	if $region->specificity > $specificity;
		1609	}
		1610	}
		1611
		1612	$match
		1613	}
1165		1614
1166	=back	1615	=back
1167
1168		1616
1169	=head3 cf::map	1617	=head3 cf::map
1170		1618
1171	=over 4	1619	=over 4
1172		1620
…		…
1227	my ($self, $merge) = @_;	1675	my ($self, $merge) = @_;
1228		1676
1229	# we have to keep some variables in memory intact	1677	# we have to keep some variables in memory intact
1230	local $self->{path};	1678	local $self->{path};
1231	local $self->{load_path};	1679	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1680
1235	$self->SUPER::thawer_merge ($merge);	1681	$self->SUPER::thawer_merge ($merge);
1236	}	1682	}
1237		1683
1238	sub normalise {	1684	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1731	$self->init; # pass $1 etc.
1286	return $self;	1732	return $self;
1287	}	1733	}
1288	}	1734	}
1289		1735
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1736	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1737	()
1292	}	1738	}
1293		1739
1294	sub init {	1740	sub init {
1295	my ($self) = @_;	1741	my ($self) = @_;
…		…
1310		1756
1311	# the original (read-only) location	1757	# the original (read-only) location
1312	sub load_path {	1758	sub load_path {
1313	my ($self) = @_;	1759	my ($self) = @_;
1314		1760
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1761	"$MAPDIR/$self->{path}.map"
1316	}	1762	}
1317		1763
1318	# the temporary/swap location	1764	# the temporary/swap location
1319	sub save_path {	1765	sub save_path {
1320	my ($self) = @_;	1766	my ($self) = @_;
1321		1767
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1768	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1769	"$TMPDIR/$path.map"
1324	}	1770	}
1325		1771
1326	# the unique path, undef == no special unique path	1772	# the unique path, undef == no special unique path
1327	sub uniq_path {	1773	sub uniq_path {
1328	my ($self) = @_;	1774	my ($self) = @_;
1329		1775
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1776	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1777	"$UNIQUEDIR/$path"
1332	}	1778	}
1333		1779
1334	# and all this just because we cannot iterate over	1780	# and all this just because we cannot iterate over
1335	# all maps in C++...	1781	# all maps in C++...
1336	sub change_all_map_light {	1782	sub change_all_map_light {
…		…
1338		1784
1339	$_->change_map_light ($change)	1785	$_->change_map_light ($change)
1340	for grep $_->outdoor, values %cf::MAP;	1786	for grep $_->outdoor, values %cf::MAP;
1341	}	1787	}
1342		1788
		1789	sub decay_objects {
		1790	my ($self) = @_;
		1791
		1792	return if $self->{deny_reset};
		1793
		1794	$self->do_decay_objects;
		1795	}
		1796
1343	sub unlink_save {	1797	sub unlink_save {
1344	my ($self) = @_;	1798	my ($self) = @_;
1345		1799
1346	utf8::encode (my $save = $self->save_path);	1800	utf8::encode (my $save = $self->save_path);
1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1801	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1350		1804
1351	sub load_header_from($) {	1805	sub load_header_from($) {
1352	my ($self, $path) = @_;	1806	my ($self, $path) = @_;
1353		1807
1354	utf8::encode $path;	1808	utf8::encode $path;
1355	#aio_open $path, O_RDONLY, 0	1809	my $f = new_from_file cf::object::thawer $path
1356	# or return;
1357
1358	$self->_load_header ($path)
1359	or return;	1810	or return;
		1811
		1812	$self->_load_header ($f)
		1813	or return;
		1814
		1815	local $MAP_LOADING{$self->{path}} = $self;
		1816	$f->resolve_delayed_derefs;
1360		1817
1361	$self->{load_path} = $path;	1818	$self->{load_path} = $path;
1362		1819
1363	1	1820	1
1364	}	1821	}
…		…
1403	$self->load_header_orig	1860	$self->load_header_orig
1404	or return;	1861	or return;
1405	$self->prepare_orig;	1862	$self->prepare_orig;
1406	}	1863	}
1407		1864
		1865	$self->{deny_reset} = 1
		1866	if $self->no_reset;
		1867
		1868	$self->default_region (cf::region::find_by_path $self->{path})
		1869	unless $self->default_region;
		1870
1408	1	1871	1
1409	}	1872	}
1410		1873
1411	sub find;	1874	sub find;
1412	sub find {	1875	sub find {
1413	my ($path, $origin) = @_;	1876	my ($path, $origin) = @_;
1414		1877
1415	$path = normalise $path, $origin && $origin->path;	1878	$path = normalise $path, $origin && $origin->path;
1416		1879
		1880	cf::lock_wait "map_data:$path";#d#remove
1417	cf::lock_wait "map_find:$path";	1881	cf::lock_wait "map_find:$path";
1418		1882
1419	$cf::MAP{$path} || do {	1883	$cf::MAP{$path} || do {
1420	my $guard = cf::lock_acquire "map_find:$path";	1884	my $guard1 = cf::lock_acquire "map_find:$path";
		1885	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1886
1421	my $map = new_from_path cf::map $path	1887	my $map = new_from_path cf::map $path
1422	or return;	1888	or return;
1423		1889
1424	$map->{last_save} = $cf::RUNTIME;	1890	$map->{last_save} = $cf::RUNTIME;
1425		1891
1426	$map->load_header	1892	$map->load_header
1427	or return;	1893	or return;
1428		1894
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1895	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	1896	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	1897	#$cf::WAIT_FOR_TICK->wait;
		1898	undef $guard1;
		1899	undef $guard2;
1432	$map->reset;	1900	$map->reset;
1433	undef $guard;
1434	return find $path;	1901	return find $path;
1435	}	1902	}
1436		1903
1437	$cf::MAP{$path} = $map	1904	$cf::MAP{$path} = $map
1438	}	1905	}
…		…
1445	my ($self) = @_;	1912	my ($self) = @_;
1446		1913
1447	local $self->{deny_reset} = 1; # loading can take a long time	1914	local $self->{deny_reset} = 1; # loading can take a long time
1448		1915
1449	my $path = $self->{path};	1916	my $path = $self->{path};
		1917
		1918	{
1450	my $guard = cf::lock_acquire "map_load:$path";	1919	my $guard = cf::lock_acquire "map_data:$path";
1451		1920
		1921	return unless $self->valid;
1452	return if $self->in_memory != cf::MAP_SWAPPED;	1922	return unless $self->in_memory == cf::MAP_SWAPPED;
1453		1923
1454	$self->in_memory (cf::MAP_LOADING);	1924	$self->in_memory (cf::MAP_LOADING);
1455		1925
1456	$self->alloc;	1926	$self->alloc;
1457		1927
1458	$self->pre_load;	1928	$self->pre_load;
		1929	cf::cede_to_tick;
1459		1930
1460	$self->_load_objects ($self->{load_path}, 1)	1931	my $f = new_from_file cf::object::thawer $self->{load_path};
		1932	$f->skip_block;
		1933	$self->_load_objects ($f)
1461	or return;	1934	or return;
1462		1935
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1936	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1464	if delete $self->{load_original};	1937	if delete $self->{load_original};
1465		1938
1466	if (my $uniq = $self->uniq_path) {	1939	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	1940	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	1941	unless (aio_stat $uniq) {
		1942	if (my $f = new_from_file cf::object::thawer $uniq) {
1469	$self->clear_unique_items;	1943	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	1944	$self->_load_objects ($f);
		1945	$f->resolve_delayed_derefs;
		1946	}
1471	}	1947	}
1472	}	1948	}
1473		1949
1474	Coro::cede;	1950	$f->resolve_delayed_derefs;
1475		1951
		1952	cf::cede_to_tick;
1476	# now do the right thing for maps	1953	# now do the right thing for maps
1477	$self->link_multipart_objects;	1954	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;
1484	$self->set_darkness_map;
1485	$self->difficulty ($self->estimate_difficulty)	1955	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	1956	unless $self->difficulty;
1487	Coro::cede;	1957	cf::cede_to_tick;
		1958
		1959	unless ($self->{deny_activate}) {
		1960	$self->decay_objects;
		1961	$self->fix_auto_apply;
		1962	$self->update_buttons;
		1963	cf::cede_to_tick;
		1964	$self->set_darkness_map;
		1965	cf::cede_to_tick;
1488	$self->activate;	1966	$self->activate;
		1967	}
		1968
		1969	$self->{last_save} = $cf::RUNTIME;
		1970	$self->last_access ($cf::RUNTIME);
		1971
		1972	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	1973	}
1490		1974
1491	$self->post_load;	1975	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	1976	}
1495		1977
1496	sub customise_for {	1978	sub customise_for {
1497	my ($self, $ob) = @_;	1979	my ($self, $ob) = @_;
1498		1980
1499	return find "~" . $ob->name . "/" . $self->{path}	1981	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	1982	if $self->per_player;
1501		1983
		1984	# return find "?party/" . $ob->name . "/" . $self->{path}
		1985	# if $self->per_party;
		1986
1502	$self	1987	$self
1503	}	1988	}
1504		1989
1505	# find and load all maps in the 3x3 area around a map	1990	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	1991	sub load_neighbours {
1507	my ($map) = @_;	1992	my ($map) = @_;
1508		1993
1509	my @diag; # diagonal neighbours	1994	my @neigh; # diagonal neighbours
1510		1995
1511	for (0 .. 3) {	1996	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	1997	my $neigh = $map->tile_path ($_)
1513	or next;	1998	or next;
1514	$neigh = find $neigh, $map	1999	$neigh = find $neigh, $map
1515	or next;	2000	or next;
1516	$neigh->load;	2001	$neigh->load;
1517		2002
		2003	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2004	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2005	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	2006	}
1521		2007
1522	for (@diag) {	2008	for (grep defined $_->[0], @neigh) {
		2009	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	2010	my $neigh = find $path, $origin
1524	or next;	2011	or next;
1525	$neigh->load;	2012	$neigh->load;
1526	}	2013	}
1527	}	2014	}
1528		2015
…		…
1533	}	2020	}
1534		2021
1535	sub do_load_sync {	2022	sub do_load_sync {
1536	my ($map) = @_;	2023	my ($map) = @_;
1537		2024
		2025	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2026	if $Coro::current == $Coro::main;
		2027
1538	cf::sync_job { $map->load };	2028	cf::sync_job { $map->load };
1539	}	2029	}
1540		2030
1541	our %MAP_PREFETCH;	2031	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	2032	our $MAP_PREFETCHER = undef;
1543		2033
1544	sub find_async {	2034	sub find_async {
1545	my ($path, $origin) = @_;	2035	my ($path, $origin, $load) = @_;
1546		2036
1547	$path = normalise $path, $origin && $origin->{path};	2037	$path = normalise $path, $origin && $origin->{path};
1548		2038
1549	if (my $map = $cf::MAP{$path}) {	2039	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2040	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1551	}	2041	}
1552		2042
1553	undef $MAP_PREFETCH{$path};	2043	$MAP_PREFETCH{$path} |= $load;
		2044
1554	$MAP_PREFETCHER ||= cf::async {	2045	$MAP_PREFETCHER ||= cf::async {
		2046	$Coro::current->{desc} = "map prefetcher";
		2047
1555	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	2050	if (my $map = find $k) {
1558	or next;
1559	$map->load;	2051	$map->load if $v;
		2052	}
1560		2053
1561	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1562	}	2055	}
1563	}	2056	}
1564	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1565	};	2058	};
1566	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1569	}	2062	}
1570		2063
1571	sub save {	2064	sub save {
1572	my ($self) = @_;	2065	my ($self) = @_;
1573		2066
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2068
1576	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1577		2070
1578	return unless $self->dirty;	2071	return unless $self->dirty;
1579		2072
…		…
1585	return if $self->{deny_save};	2078	return if $self->{deny_save};
1586		2079
1587	local $self->{last_access} = $self->last_access;#d#	2080	local $self->{last_access} = $self->last_access;#d#
1588		2081
1589	cf::async {	2082	cf::async {
		2083	$Coro::current->{desc} = "map player save";
1590	$_->contr->save for $self->players;	2084	$_->contr->save for $self->players;
1591	};	2085	};
1592		2086
1593	if ($uniq) {	2087	if ($uniq) {
1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1602	my ($self) = @_;	2096	my ($self) = @_;
1603		2097
1604	# save first because save cedes	2098	# save first because save cedes
1605	$self->save;	2099	$self->save;
1606		2100
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2101	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2102
1609	return if $self->players;	2103	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;	2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
1611	return if $self->{deny_save};	2105	return if $self->{deny_save};
1612		2106
		2107	$self->in_memory (cf::MAP_SWAPPED);
		2108
		2109	$self->deactivate;
		2110	$_->clear_links_to ($self) for values %cf::MAP;
1613	$self->clear;	2111	$self->clear;
1614	$self->in_memory (cf::MAP_SWAPPED);
1615	}	2112	}
1616		2113
1617	sub reset_at {	2114	sub reset_at {
1618	my ($self) = @_;	2115	my ($self) = @_;
1619		2116
1620	# TODO: safety, remove and allow resettable per-player maps	2117	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2118	return 1e99 if $self->{deny_reset};
1623		2119
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2122
…		…
1637	my ($self) = @_;	2133	my ($self) = @_;
1638		2134
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2136
1641	return if $self->players;	2137	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2138
1644	warn "resetting map ", $self->path;#d#	2139	warn "resetting map ", $self->path;
1645		2140
1646	$self->in_memory (cf::MAP_SWAPPED);	2141	$self->in_memory (cf::MAP_SWAPPED);
1647		2142
1648	# need to save uniques path	2143	# need to save uniques path
1649	unless ($self->{deny_save}) {	2144	unless ($self->{deny_save}) {
…		…
1653	if $uniq;	2148	if $uniq;
1654	}	2149	}
1655		2150
1656	delete $cf::MAP{$self->path};	2151	delete $cf::MAP{$self->path};
1657		2152
		2153	$self->deactivate;
		2154	$_->clear_links_to ($self) for values %cf::MAP;
1658	$self->clear;	2155	$self->clear;
1659
1660	$_->clear_links_to ($self) for values %cf::MAP;
1661		2156
1662	$self->unlink_save;	2157	$self->unlink_save;
1663	$self->destroy;	2158	$self->destroy;
1664	}	2159	}
1665		2160
1666	my $nuke_counter = "aaaa";	2161	my $nuke_counter = "aaaa";
1667		2162
1668	sub nuke {	2163	sub nuke {
1669	my ($self) = @_;	2164	my ($self) = @_;
1670		2165
		2166	{
		2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2168
1671	delete $cf::MAP{$self->path};	2169	delete $cf::MAP{$self->path};
1672		2170
1673	$self->unlink_save;	2171	$self->unlink_save;
1674		2172
1675	bless $self, "cf::map";	2173	bless $self, "cf::map";
1676	delete $self->{deny_reset};	2174	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2175	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2176	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2178
1681	$cf::MAP{$self->path} = $self;	2179	$cf::MAP{$self->path} = $self;
		2180	}
1682		2181
1683	$self->reset; # polite request, might not happen	2182	$self->reset; # polite request, might not happen
		2183	}
		2184
		2185	=item $maps = cf::map::tmp_maps
		2186
		2187	Returns an arrayref with all map paths of currently instantiated and saved
		2188	maps. May block.
		2189
		2190	=cut
		2191
		2192	sub tmp_maps() {
		2193	[
		2194	map {
		2195	utf8::decode $_;
		2196	/\.map$/
		2197	? normalise $_
		2198	: ()
		2199	} @{ aio_readdir $TMPDIR or [] }
		2200	]
		2201	}
		2202
		2203	=item $maps = cf::map::random_maps
		2204
		2205	Returns an arrayref with all map paths of currently instantiated and saved
		2206	random maps. May block.
		2207
		2208	=cut
		2209
		2210	sub random_maps() {
		2211	[
		2212	map {
		2213	utf8::decode $_;
		2214	/\.map$/
		2215	? normalise "?random/$_"
		2216	: ()
		2217	} @{ aio_readdir $RANDOMDIR or [] }
		2218	]
1684	}	2219	}
1685		2220
1686	=item cf::map::unique_maps	2221	=item cf::map::unique_maps
1687		2222
1688	Returns an arrayref of paths of all shared maps that have	2223	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2224	instantiated unique items. May block.
1690		2225
1691	=cut	2226	=cut
1692		2227
1693	sub unique_maps() {	2228	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2229	[
1695	or return;	2230	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2231	utf8::decode $_;
1701	next if /\.pst$/;	2232	/\.map$/
1702	next unless /^$PATH_SEP/o;	2233	? normalise $_
1703		2234	: ()
1704	push @paths, cf::map::normalise $_;	2235	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2236	]
1706
1707	\@paths
1708	}	2237	}
1709		2238
1710	package cf;	2239	package cf;
1711		2240
1712	=back	2241	=back
…		…
1730	map { $_, inv_recursive_ $_->inv } @_	2259	map { $_, inv_recursive_ $_->inv } @_
1731	}	2260	}
1732		2261
1733	sub inv_recursive {	2262	sub inv_recursive {
1734	inv_recursive_ inv $_[0]	2263	inv_recursive_ inv $_[0]
		2264	}
		2265
		2266	=item $ref = $ob->ref
		2267
		2268	creates and returns a persistent reference to an objetc that can be stored as a string.
		2269
		2270	=item $ob = cf::object::deref ($refstring)
		2271
		2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2273	even if the object actually exists. May block.
		2274
		2275	=cut
		2276
		2277	sub deref {
		2278	my ($ref) = @_;
		2279
		2280	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2281	my ($uuid, $name) = ($1, $2);
		2282	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2283	or return;
		2284	$pl->ob->uuid eq $uuid
		2285	or return;
		2286
		2287	$pl->ob
		2288	} else {
		2289	warn "$ref: cannot resolve object reference\n";
		2290	undef
		2291	}
1735	}	2292	}
1736		2293
1737	package cf;	2294	package cf;
1738		2295
1739	=back	2296	=back
…		…
1758		2315
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2316	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2317
1761	if ($self->{record_replies}) {	2318	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2319	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2320
1763	} else {	2321	} else {
		2322	my $pl = $self->contr;
		2323
		2324	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2325	my $dialog = $pl->{npc_dialog};
		2326	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2327
		2328	} else {
1764	$msg = $npc->name . " says: $msg" if $npc;	2329	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2330	$self->message ($msg, $flags);
		2331	}
1766	}	2332	}
		2333	}
		2334
		2335	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2336
		2337	=cut
		2338
		2339	sub cf::object::send_msg {
		2340	my $pl = shift->contr
		2341	or return;
		2342	$pl->send_msg (@_);
1767	}	2343	}
1768		2344
1769	=item $player_object->may ("access")	2345	=item $player_object->may ("access")
1770		2346
1771	Returns wether the given player is authorized to access resource "access"	2347	Returns wether the given player is authorized to access resource "access"
…		…
1818	$self->deactivate_recursive;	2394	$self->deactivate_recursive;
1819		2395
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2396	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2397
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2398	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2399	if $self->map && $self->map->{path} ne "{link}";
1824		2400
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2401	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2402	}
1827		2403
1828	sub cf::object::player::leave_link {	2404	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2405	my ($self, $map, $x, $y) = @_;
		2406
		2407	return unless $self->contr->active;
1830		2408
1831	my $link_pos = delete $self->{_link_pos};	2409	my $link_pos = delete $self->{_link_pos};
1832		2410
1833	unless ($map) {	2411	unless ($map) {
1834	# restore original map position	2412	# restore original map position
…		…
1848	# use -1 or undef as default coordinates, not 0, 0	2426	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2427	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2428	if $x <=0 && $y <= 0;
1851		2429
1852	$map->load;	2430	$map->load;
1853	$map->load_diag;	2431	$map->load_neighbours;
1854		2432
1855	return unless $self->contr->active;	2433	return unless $self->contr->active;
1856	$self->activate_recursive;	2434	$self->activate_recursive;
1857		2435
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2436	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2437	$self->enter_map ($map, $x, $y);
1860	}	2438	}
1861		2439
1862	cf::player->attach (	2440	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863	on_logout => sub {
1864	my ($pl) = @_;
1865		2441
1866	# abort map switching before logout	2442	Moves the player to the given map-path and coordinates by first freezing
1867	if ($pl->ob->{_link_pos}) {	2443	her, loading and preparing them map, calling the provided $check callback
1868	cf::sync_job {	2444	that has to return the map if sucecssful, and then unfreezes the player on
1869	$pl->ob->leave_link	2445	the new (success) or old (failed) map position. In either case, $done will
1870	};	2446	be called at the end of this process.
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2447
1876	# try to abort aborted map switching on player login :)
1877	# should happen only on crashes
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893
1894	=item $player_object->goto ($path, $x, $y)
1895
1896	=cut	2448	=cut
		2449
		2450	our $GOTOGEN;
1897		2451
1898	sub cf::object::player::goto {	2452	sub cf::object::player::goto {
1899	my ($self, $path, $x, $y) = @_;	2453	my ($self, $path, $x, $y, $check, $done) = @_;
		2454
		2455	# do generation counting so two concurrent goto's will be executed in-order
		2456	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1900		2457
1901	$self->enter_link;	2458	$self->enter_link;
1902		2459
1903	(async {	2460	(async {
		2461	$Coro::current->{desc} = "player::goto $path $x $y";
		2462
		2463	# *tag paths override both path and x|y
		2464	if ($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
1904	my $map = eval {	2482	my $map = eval {
1905	my $map = cf::map::find $path;	2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1906	$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
1907	$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 $@;
1908	} or	2498	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1912	})->prio (1);	2506	})->prio (1);
1913	}	2507	}
1914		2508
1915	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
1916		2510
…		…
1955		2549
1956	$rmp->{random_seed} ||= $exit->random_seed;	2550	$rmp->{random_seed} ||= $exit->random_seed;
1957		2551
1958	my $data = cf::to_json $rmp;	2552	my $data = cf::to_json $rmp;
1959	my $md5 = Digest::MD5::md5_hex $data;	2553	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2554	my $meta = "$RANDOMDIR/$md5.meta";
1961		2555
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2557	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2558	undef $fh;
1965	aio_rename "$meta~", $meta;	2559	aio_rename "$meta~", $meta;
…		…
1985	my $hp = $exit->stats->hp;	2579	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;	2580	my $sp = $exit->stats->sp;
1987		2581
1988	$self->enter_link;	2582	$self->enter_link;
1989		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);
		2587
1990	(async {	2588	(async {
		2589	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2590
1991	$self->deactivate_recursive; # just to be sure	2591	$self->deactivate_recursive; # just to be sure
1992	unless (eval {	2592	unless (eval {
1993	$self->goto ($slaying, $hp, $sp);	2593	$self->goto ($slaying, $hp, $sp);
1994		2594
1995	1;	2595	1;
…		…
2021		2621
2022	utf8::encode $text;	2622	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2623	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2624	}
2025		2625
		2626	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2627
		2628	Send a drawinfo or msg packet to the client, formatting the msg for the
		2629	client if neccessary. C<$type> should be a string identifying the type of
		2630	the message, with C<log> being the default. If C<$color> is negative, suppress
		2631	the message unless the client supports the msg packet.
		2632
		2633	=cut
		2634
		2635	our %CHANNEL = (
		2636	"c/identify" => {
		2637	id => "infobox",
		2638	title => "Identify",
		2639	reply => undef,
		2640	tooltip => "Items recently identified",
		2641	},
		2642	"c/examine" => {
		2643	id => "infobox",
		2644	title => "Examine",
		2645	reply => undef,
		2646	tooltip => "Signs and other items you examined",
		2647	},
		2648	"c/lookat" => {
		2649	id => "infobox",
		2650	title => "Look",
		2651	reply => undef,
		2652	tooltip => "What you saw there",
		2653	},
		2654	);
		2655
		2656	sub cf::client::send_msg {
		2657	my ($self, $channel, $msg, $color, @extra) = @_;
		2658
		2659	$msg = $self->pl->expand_cfpod ($msg);
		2660
		2661	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2662
		2663	# check predefined channels, for the benefit of C
		2664	if ($CHANNEL{$channel}) {
		2665	$channel = $CHANNEL{$channel};
		2666
		2667	$self->ext_msg (channel_info => $channel)
		2668	if $self->can_msg;
		2669
		2670	$channel = $channel->{id};
		2671
		2672	} elsif (ref $channel) {
		2673	# send meta info to client, if not yet sent
		2674	unless (exists $self->{channel}{$channel->{id}}) {
		2675	$self->{channel}{$channel->{id}} = $channel;
		2676	$self->ext_msg (channel_info => $channel)
		2677	if $self->can_msg;
		2678	}
		2679
		2680	$channel = $channel->{id};
		2681	}
		2682
		2683	return unless @extra || length $msg;
		2684
		2685	if ($self->can_msg) {
		2686	# default colour, mask it out
		2687	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2688	if $color & cf::NDI_DEF;
		2689
		2690	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2691	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2692	} else {
		2693	if ($color >= 0) {
		2694	# replace some tags by gcfclient-compatible ones
		2695	for ($msg) {
		2696	1 while
		2697	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2698	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2699	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2700	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2701	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2702	}
		2703
		2704	$color &= cf::NDI_COLOR_MASK;
		2705
		2706	utf8::encode $msg;
		2707
		2708	if (0 && $msg =~ /\[/) {
		2709	# COMMAND/INFO
		2710	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2711	} else {
		2712	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2713	$self->send_packet ("drawinfo $color $msg")
		2714	}
		2715	}
		2716	}
		2717	}
		2718
2026	=item $client->ext_event ($type, %msg)	2719	=item $client->ext_msg ($type, @msg)
2027		2720
2028	Sends an exti event to the client.	2721	Sends an ext event to the client.
2029		2722
2030	=cut	2723	=cut
2031		2724
2032	sub cf::client::ext_event($$%) {	2725	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	2726	my ($self, $type, @msg) = @_;
2034		2727
		2728	if ($self->extcmd == 2) {
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2730	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	2731	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	2732	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2733	}
		2734	}
		2735
		2736	=item $client->ext_reply ($msgid, @msg)
		2737
		2738	Sends an ext reply to the client.
		2739
		2740	=cut
		2741
		2742	sub cf::client::ext_reply($$@) {
		2743	my ($self, $id, @msg) = @_;
		2744
		2745	if ($self->extcmd == 2) {
		2746	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2747	} elsif ($self->extcmd == 1) {
		2748	#TODO: version 1, remove
		2749	unshift @msg, msgtype => "reply", msgid => $id;
		2750	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2751	}
2037	}	2752	}
2038		2753
2039	=item $success = $client->query ($flags, "text", \&cb)	2754	=item $success = $client->query ($flags, "text", \&cb)
2040		2755
2041	Queues a query to the client, calling the given callback with	2756	Queues a query to the client, calling the given callback with
2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2757	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2043	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2758	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2044		2759
2045	Queries can fail, so check the return code. Or don't, as queries will become	2760	Queries can fail, so check the return code. Or don't, as queries will
2046	reliable at some point in the future.	2761	become reliable at some point in the future.
2047		2762
2048	=cut	2763	=cut
2049		2764
2050	sub cf::client::query {	2765	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	2766	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	2774	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2775	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		2776
2062	$self->send_packet ($self->{query_queue}[0][0])	2777	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	2778	if @{ $self->{query_queue} } == 1;
		2779
		2780	1
2064	}	2781	}
2065		2782
2066	cf::client->attach (	2783	cf::client->attach (
		2784	on_connect => sub {
		2785	my ($ns) = @_;
		2786
		2787	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2788	},
2067	on_reply => sub {	2789	on_reply => sub {
2068	my ($ns, $msg) = @_;	2790	my ($ns, $msg) = @_;
2069		2791
2070	# this weird shuffling is so that direct followup queries	2792	# this weird shuffling is so that direct followup queries
2071	# get handled first	2793	# get handled first
…		…
2083	} else {	2805	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2806	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	2807	}
2086	}	2808	}
2087	},	2809	},
		2810	on_exticmd => sub {
		2811	my ($ns, $buf) = @_;
		2812
		2813	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2814
		2815	if (ref $msg) {
		2816	my ($type, $reply, @payload) =
		2817	"ARRAY" eq ref $msg
		2818	? @$msg
		2819	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2820
		2821	my @reply;
		2822
		2823	if (my $cb = $EXTICMD{$type}) {
		2824	@reply = $cb->($ns, @payload);
		2825	}
		2826
		2827	$ns->ext_reply ($reply, @reply)
		2828	if $reply;
		2829
		2830	} else {
		2831	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2832	}
		2833
		2834	cf::override;
		2835	},
2088	);	2836	);
2089		2837
2090	=item $client->async (\&cb)	2838	=item $client->async (\&cb)
2091		2839
2092	Create a new coroutine, running the specified callback. The coroutine will	2840	Create a new coroutine, running the specified callback. The coroutine will
…		…
2133	our $safe = new Safe "safe";	2881	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	2882	our $safe_hole = new Safe::Hole;
2135		2883
2136	$SIG{FPE} = 'IGNORE';	2884	$SIG{FPE} = 'IGNORE';
2137		2885
2138	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2886	$safe->permit_only (Opcode::opset qw(
		2887	:base_core :base_mem :base_orig :base_math
		2888	grepstart grepwhile mapstart mapwhile
		2889	sort time
		2890	));
2139		2891
2140	# here we export the classes and methods available to script code	2892	# here we export the classes and methods available to script code
2141		2893
2142	=pod	2894	=pod
2143		2895
2144	The following functions and methods are available within a safe environment:	2896	The following functions and methods are available within a safe environment:
2145		2897
2146	cf::object contr pay_amount pay_player map	2898	cf::object
		2899	contr pay_amount pay_player map x y force_find force_add
		2900	insert remove name archname title slaying race decrease_ob_nr
		2901
2147	cf::object::player player	2902	cf::object::player
2148	cf::player peaceful	2903	player
2149	cf::map trigger	2904
		2905	cf::player
		2906	peaceful
		2907
		2908	cf::map
		2909	trigger
2150		2910
2151	=cut	2911	=cut
2152		2912
2153	for (	2913	for (
2154	["cf::object" => qw(contr pay_amount pay_player map)],	2914	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2915	insert remove inv name archname title slaying race
		2916	decrease_ob_nr)],
2155	["cf::object::player" => qw(player)],	2917	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	2918	["cf::player" => qw(peaceful)],
2157	["cf::map" => qw(trigger)],	2919	["cf::map" => qw(trigger)],
2158	) {	2920	) {
2159	no strict 'refs';	2921	no strict 'refs';
…		…
2230	=back	2992	=back
2231		2993
2232	=cut	2994	=cut
2233		2995
2234	#############################################################################	2996	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305
2306	#############################################################################
2307	# the server's init and main functions	2997	# the server's init and main functions
2308		2998
2309	sub load_facedata {	2999	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	3000	my ($path) = @_;
		3001
		3002	# HACK to clear player env face cache, we need some signal framework
		3003	# for this (global event?)
		3004	%ext::player_env::MUSIC_FACE_CACHE = ();
		3005
		3006	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2311		3007
2312	warn "loading facedata from $path\n";	3008	warn "loading facedata from $path\n";
2313		3009
2314	my $facedata;	3010	my $facedata;
2315	0 < aio_load $path, $facedata	3011	0 < aio_load $path, $facedata
…		…
2318	$facedata = Coro::Storable::thaw $facedata;	3014	$facedata = Coro::Storable::thaw $facedata;
2319		3015
2320	$facedata->{version} == 2	3016	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3017	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		3018
		3019	# patch in the exptable
		3020	$facedata->{resource}{"res/exp_table"} = {
		3021	type => FT_RSRC,
		3022	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3023	};
		3024	cf::cede_to_tick;
		3025
2323	{	3026	{
2324	my $faces = $facedata->{faceinfo};	3027	my $faces = $facedata->{faceinfo};
2325		3028
2326	while (my ($face, $info) = each %$faces) {	3029	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3030	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3031	cf::face::set_visibility $idx, $info->{visibility};
		3032	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3033	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3034	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	3035
		3036	cf::cede_to_tick;
2332	}	3037	}
2333		3038
2334	while (my ($face, $info) = each %$faces) {	3039	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3040	next unless $info->{smooth};
2336	my $idx = cf::face::find $face	3041	my $idx = cf::face::find $face
2337	or next;	3042	or next;
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3043	if (my $smooth = cf::face::find $info->{smooth}) {
		3044	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3045	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3046	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3047	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3048	}
2343	Coro::cede;	3049
		3050	cf::cede_to_tick;
2344	}	3051	}
2345	}	3052	}
2346		3053
2347	{	3054	{
2348	my $anims = $facedata->{animinfo};	3055	my $anims = $facedata->{animinfo};
2349		3056
2350	while (my ($anim, $info) = each %$anims) {	3057	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3058	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3059	cf::cede_to_tick;
2353	}	3060	}
2354		3061
2355	cf::anim::invalidate_all; # d'oh	3062	cf::anim::invalidate_all; # d'oh
2356	}	3063	}
2357		3064
		3065	{
		3066	# TODO: for gcfclient pleasure, we should give resources
		3067	# that gcfclient doesn't grok a >10000 face index.
		3068	my $res = $facedata->{resource};
		3069
		3070	my $soundconf = delete $res->{"res/sound.conf"};
		3071
		3072	while (my ($name, $info) = each %$res) {
		3073	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3074	my $data;
		3075
		3076	if ($info->{type} & 1) {
		3077	# prepend meta info
		3078
		3079	my $meta = $enc->encode ({
		3080	name => $name,
		3081	%{ $info->{meta} || {} },
		3082	});
		3083
		3084	$data = pack "(w/a*)*", $meta, $info->{data};
		3085	} else {
		3086	$data = $info->{data};
		3087	}
		3088
		3089	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3090	cf::face::set_type $idx, $info->{type};
		3091
		3092	cf::cede_to_tick;
		3093	}
		3094
		3095	if ($soundconf) {
		3096	$soundconf = $enc->decode (delete $soundconf->{data});
		3097
		3098	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3099	my $sound = $soundconf->{compat}[$_]
		3100	or next;
		3101
		3102	my $face = cf::face::find "sound/$sound->[1]";
		3103	cf::sound::set $sound->[0] => $face;
		3104	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3105	}
		3106
		3107	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3108	my $face = cf::face::find "sound/$v";
		3109	cf::sound::set $k => $face;
		3110	}
		3111	}
		3112	}
		3113
2358	1	3114	1
2359	}	3115	}
2360		3116
		3117	register_exticmd fx_want => sub {
		3118	my ($ns, $want) = @_;
		3119
		3120	while (my ($k, $v) = each %$want) {
		3121	$ns->fx_want ($k, $v);
		3122	}
		3123	};
		3124
		3125	sub reload_regions {
		3126	# HACK to clear player env face cache, we need some signal framework
		3127	# for this (global event?)
		3128	%ext::player_env::MUSIC_FACE_CACHE = ();
		3129
		3130	load_resource_file "$MAPDIR/regions"
		3131	or die "unable to load regions file\n";
		3132
		3133	for (cf::region::list) {
		3134	$_->{match} = qr/$_->{match}/
		3135	if exists $_->{match};
		3136	}
		3137	}
		3138
		3139	sub reload_facedata {
		3140	load_facedata "$DATADIR/facedata"
		3141	or die "unable to load facedata\n";
		3142	}
		3143
		3144	sub reload_archetypes {
		3145	load_resource_file "$DATADIR/archetypes"
		3146	or die "unable to load archetypes\n";
		3147	#d# NEED to laod twice to resolve forward references
		3148	# this really needs to be done in an extra post-pass
		3149	# (which needs to be synchronous, so solve it differently)
		3150	load_resource_file "$DATADIR/archetypes"
		3151	or die "unable to load archetypes\n";
		3152	}
		3153
		3154	sub reload_treasures {
		3155	load_resource_file "$DATADIR/treasures"
		3156	or die "unable to load treasurelists\n";
		3157	}
		3158
2361	sub reload_resources {	3159	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3160	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3161
		3162	reload_regions;
2364	load_facedata	3163	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3164	#reload_archetypes;#d#
		3165	reload_archetypes;
		3166	reload_treasures;
		3167
		3168	warn "finished reloading resource files\n";
2366	}	3169	}
2367		3170
2368	sub init {	3171	sub init {
2369	reload_resources;	3172	reload_resources;
2370	}	3173	}
2371		3174
2372	sub cfg_load {	3175	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3176	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3177	or return;
2375		3178
2376	local $/;	3179	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3180	*CFG = YAML::Syck::Load <$fh>;
2378		3181
…		…
2393	sub main {	3196	sub main {
2394	# we must not ever block the main coroutine	3197	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3198	local $Coro::idle = sub {
2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3199	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397	(async {	3200	(async {
		3201	$Coro::current->{desc} = "IDLE BUG HANDLER";
2398	Event::one_event;	3202	Event::one_event;
2399	})->prio (Coro::PRIO_MAX);	3203	})->prio (Coro::PRIO_MAX);
2400	};	3204	};
2401		3205
2402	cfg_load;	3206	reload_config;
2403	db_init;	3207	db_init;
2404	load_extensions;	3208	load_extensions;
2405		3209
2406	$TICK_WATCHER->start;	3210	$TICK_WATCHER->start;
2407	Event::loop;	3211	Event::loop;
…		…
2423	},	3227	},
2424	);	3228	);
2425	}	3229	}
2426	}	3230	}
2427		3231
		3232	sub write_runtime {
		3233	my $runtime = "$LOCALDIR/runtime";
		3234
		3235	# first touch the runtime file to show we are still running:
		3236	# the fsync below can take a very very long time.
		3237
		3238	IO::AIO::aio_utime $runtime, undef, undef;
		3239
		3240	my $guard = cf::lock_acquire "write_runtime";
		3241
		3242	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3243	or return;
		3244
		3245	my $value = $cf::RUNTIME + 90 + 10;
		3246	# 10 is the runtime save interval, for a monotonic clock
		3247	# 60 allows for the watchdog to kill the server.
		3248
		3249	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3250	and return;
		3251
		3252	# always fsync - this file is important
		3253	aio_fsync $fh
		3254	and return;
		3255
		3256	# touch it again to show we are up-to-date
		3257	aio_utime $fh, undef, undef;
		3258
		3259	close $fh
		3260	or return;
		3261
		3262	aio_rename "$runtime~", $runtime
		3263	and return;
		3264
		3265	warn "runtime file written.\n";
		3266
		3267	1
		3268	}
		3269
2428	sub emergency_save() {	3270	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3271	my $freeze_guard = cf::freeze_mainloop;
2430		3272
2431	warn "enter emergency perl save\n";	3273	warn "enter emergency perl save\n";
2432		3274
…		…
2463		3305
2464	warn Carp::longmess "post_cleanup backtrace"	3306	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3307	if $make_core;
2466	}	3308	}
2467		3309
2468	sub reload() {	3310	sub do_reload_perl() {
2469	# can/must only be called in main	3311	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3312	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3313	warn "can only reload from main coroutine";
2472	return;	3314	return;
2473	}	3315	}
…		…
2507	%EXT_CORO = ();	3349	%EXT_CORO = ();
2508		3350
2509	warn "removing commands";	3351	warn "removing commands";
2510	%COMMAND = ();	3352	%COMMAND = ();
2511		3353
2512	warn "removing ext commands";	3354	warn "removing ext/exti commands";
2513	%EXTCMD = ();	3355	%EXTCMD = ();
		3356	%EXTICMD = ();
2514		3357
2515	warn "unloading/nuking all extensions";	3358	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3359	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3360	warn "... unloading $pkg";
2518		3361
…		…
2548	Symbol::delete_package "safe::$_"	3391	Symbol::delete_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3392	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3393
2551	warn "unloading cf.pm \"a bit\"";	3394	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3395	delete $INC{"cf.pm"};
		3396	delete $INC{"cf/pod.pm"};
2553		3397
2554	# don't, removes xs symbols, too,	3398	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3399	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3400	#Symbol::delete_package __PACKAGE__;
2557		3401
…		…
2560	warn "reloading cf.pm";	3404	warn "reloading cf.pm";
2561	require cf;	3405	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3406	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3407
2564	warn "loading config and database again";	3408	warn "loading config and database again";
2565	cf::cfg_load;	3409	cf::reload_config;
2566		3410
2567	warn "loading extensions";	3411	warn "loading extensions";
2568	cf::load_extensions;	3412	cf::load_extensions;
2569		3413
2570	warn "reattaching attachments to objects/players";	3414	warn "reattaching attachments to objects/players";
…		…
2572	warn "reattaching attachments to maps";	3416	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3417	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3418	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3419	reattach $_ for values %PLAYER;
2576		3420
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3421	warn "leaving sync_job";
2581		3422
2582	1	3423	1
2583	} or do {	3424	} or do {
2584	warn $@;	3425	warn $@;
…		…
2589	warn "reloaded";	3430	warn "reloaded";
2590	};	3431	};
2591		3432
2592	our $RELOAD_WATCHER; # used only during reload	3433	our $RELOAD_WATCHER; # used only during reload
2593		3434
		3435	sub reload_perl() {
		3436	# doing reload synchronously and two reloads happen back-to-back,
		3437	# coro crashes during coro_state_free->destroy here.
		3438
		3439	$RELOAD_WATCHER ||= Event->timer (
		3440	reentrant => 0,
		3441	after => 0,
		3442	data => WF_AUTOCANCEL,
		3443	cb => sub {
		3444	do_reload_perl;
		3445	undef $RELOAD_WATCHER;
		3446	},
		3447	);
		3448	}
		3449
2594	register_command "reload" => sub {	3450	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3451	my ($who, $arg) = @_;
2596		3452
2597	if ($who->flag (FLAG_WIZ)) {	3453	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3454	$who->message ("reloading server.");
2599		3455	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3456	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	3457	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3458	};
2612	}	3459	}
2613	};	3460	};
2614		3461
2615	unshift @INC, $LIBDIR;	3462	unshift @INC, $LIBDIR;
2616		3463
2617	my $bug_warning = 0;	3464	my $bug_warning = 0;
		3465
		3466	our @WAIT_FOR_TICK;
		3467	our @WAIT_FOR_TICK_BEGIN;
		3468
		3469	sub wait_for_tick {
		3470	return unless $TICK_WATCHER->is_active;
		3471	return if $Coro::current == $Coro::main;
		3472
		3473	my $signal = new Coro::Signal;
		3474	push @WAIT_FOR_TICK, $signal;
		3475	$signal->wait;
		3476	}
		3477
		3478	sub wait_for_tick_begin {
		3479	return unless $TICK_WATCHER->is_active;
		3480	return if $Coro::current == $Coro::main;
		3481
		3482	my $signal = new Coro::Signal;
		3483	push @WAIT_FOR_TICK_BEGIN, $signal;
		3484	$signal->wait;
		3485	}
2618		3486
2619	$TICK_WATCHER = Event->timer (	3487	$TICK_WATCHER = Event->timer (
2620	reentrant => 0,	3488	reentrant => 0,
2621	parked => 1,	3489	parked => 1,
2622	prio => 0,	3490	prio => 0,
…		…
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3495	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3496	unless ++$bug_warning > 10;
2629	return;	3497	return;
2630	}	3498	}
2631		3499
2632	$NOW = Event::time;	3500	$NOW = $tick_start = Event::time;
2633		3501
2634	cf::server_tick; # one server iteration	3502	cf::server_tick; # one server iteration
		3503
2635	$RUNTIME += $TICK;	3504	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;	3505	$NEXT_TICK += $TICK;
2637		3506
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3507	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3508	$NEXT_RUNTIME_WRITE = $NOW + 10;
2640	Coro::async_pool {	3509	Coro::async_pool {
		3510	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	3511	write_runtime
2642	or warn "ERROR: unable to write runtime file: $!";	3512	or warn "ERROR: unable to write runtime file: $!";
2643	};	3513	};
2644	}	3514	}
2645		3515
2646	$WAIT_FOR_TICK->broadcast;	3516	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3517	$sig->send;
		3518	}
		3519	while (my $sig = shift @WAIT_FOR_TICK) {
		3520	$sig->send;
		3521	}
2648		3522
2649	# my $AFTER = Event::time;	3523	$NOW = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651		3524
2652	# if we are delayed by four ticks or more, skip them all	3525	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3526	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2654		3527
2655	$TICK_WATCHER->at ($NEXT_TICK);	3528	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;	3529	$TICK_WATCHER->start;
		3530
		3531	$LOAD = ($NOW - $tick_start) / $TICK;
		3532	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3533
		3534	_post_tick;
2657	},	3535	},
2658	);	3536	);
2659		3537
2660	{	3538	{
		3539	BDB::min_parallel 8;
2661	BDB::max_poll_time $TICK * 0.1;	3540	BDB::max_poll_time $TICK * 0.1;
2662	$BDB_POLL_WATCHER = Event->io (	3541	$BDB_POLL_WATCHER = Event->io (
2663	reentrant => 0,	3542	reentrant => 0,
2664	fd => BDB::poll_fileno,	3543	fd => BDB::poll_fileno,
2665	poll => 'r',	3544	poll => 'r',
2666	prio => 0,	3545	prio => 0,
2667	data => WF_AUTOCANCEL,	3546	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,	3547	cb => \&BDB::poll_cb,
2669	);	3548	);
2670	BDB::min_parallel 8;
2671		3549
2672	BDB::set_sync_prepare {	3550	BDB::set_sync_prepare {
2673	my $status;	3551	my $status;
2674	my $current = $Coro::current;	3552	my $current = $Coro::current;
2675	(	3553	(
…		…
2684	)	3562	)
2685	};	3563	};
2686		3564
2687	unless ($DB_ENV) {	3565	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	3566	$DB_ENV = BDB::db_env_create;
		3567	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3568	| BDB::LOG_AUTOREMOVE, 1);
		3569	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3570	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		3571
2690	cf::sync_job {	3572	cf::sync_job {
2691	eval {	3573	eval {
2692	BDB::db_env_open	3574	BDB::db_env_open
2693	$DB_ENV,	3575	$DB_ENV,
2694	$BDB_ENV_DIR,	3576	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3579	0666;
2698		3580
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3581	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	3582	};
2704		3583
2705	cf::cleanup "db_env_open(db): $@" if $@;	3584	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3585	};
2707	}	3586	}
		3587
		3588	$BDB_DEADLOCK_WATCHER = Event->timer (
		3589	after => 3,
		3590	interval => 1,
		3591	hard => 1,
		3592	prio => 0,
		3593	data => WF_AUTOCANCEL,
		3594	cb => sub {
		3595	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3596	},
		3597	);
		3598	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3599	after => 11,
		3600	interval => 60,
		3601	hard => 1,
		3602	prio => 0,
		3603	data => WF_AUTOCANCEL,
		3604	cb => sub {
		3605	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3606	},
		3607	);
		3608	$BDB_TRICKLE_WATCHER = Event->timer (
		3609	after => 5,
		3610	interval => 10,
		3611	hard => 1,
		3612	prio => 0,
		3613	data => WF_AUTOCANCEL,
		3614	cb => sub {
		3615	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3616	},
		3617	);
2708	}	3618	}
2709		3619
2710	{	3620	{
2711	IO::AIO::min_parallel 8;	3621	IO::AIO::min_parallel 8;
2712		3622
…		…
2715	$AIO_POLL_WATCHER = Event->io (	3625	$AIO_POLL_WATCHER = Event->io (
2716	reentrant => 0,	3626	reentrant => 0,
2717	data => WF_AUTOCANCEL,	3627	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,	3628	fd => IO::AIO::poll_fileno,
2719	poll => 'r',	3629	poll => 'r',
2720	prio => 6,	3630	prio => 0,
2721	cb => \&IO::AIO::poll_cb,	3631	cb => \&IO::AIO::poll_cb,
2722	);	3632	);
2723	}	3633	}
2724		3634
		3635	my $_log_backtrace;
		3636
		3637	sub _log_backtrace {
		3638	my ($msg, @addr) = @_;
		3639
		3640	$msg =~ s/\n//;
		3641
		3642	# limit the # of concurrent backtraces
		3643	if ($_log_backtrace < 2) {
		3644	++$_log_backtrace;
		3645	async {
		3646	$Coro::current->{desc} = "abt $msg";
		3647
		3648	my @bt = fork_call {
		3649	@addr = map { sprintf "%x", $_ } @addr;
		3650	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3651	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3652	or die "addr2line: $!";
		3653
		3654	my @funcs;
		3655	my @res = <$fh>;
		3656	chomp for @res;
		3657	while (@res) {
		3658	my ($func, $line) = splice @res, 0, 2, ();
		3659	push @funcs, "[$func] $line";
		3660	}
		3661
		3662	@funcs
		3663	};
		3664
		3665	LOG llevInfo, "[ABT] $msg\n";
		3666	LOG llevInfo, "[ABT] $_\n" for @bt;
		3667	--$_log_backtrace;
		3668	};
		3669	} else {
		3670	LOG llevInfo, "[ABT] $msg\n";
		3671	LOG llevInfo, "[ABT] [suppressed]\n";
		3672	}
		3673	}
		3674
		3675	# load additional modules
		3676	use cf::pod;
		3677
2725	END { cf::emergency_save }	3678	END { cf::emergency_save }
2726		3679
2727	1	3680	1
2728		3681

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