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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.240 by root, Mon Apr 16 10:14:25 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		98
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $tick_start; # for load detecting purposes
		105
84	binmode STDOUT;	106	binmode STDOUT;
85	binmode STDERR;	107	binmode STDERR;
86		108
87	# read virtual server time, if available	109	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
92	}	114	}
93		115
94	mkdir cf::localdir;	116	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		118
101	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
102		120
103	sub cf::map::normalise;	121	sub cf::map::normalise;
104		122
…		…
115	=item $cf::RUNTIME	133	=item $cf::RUNTIME
116		134
117	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
118	every server tick.	136	every server tick.
119		137
120	=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
121		141
122	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		146
125	=item $cf::NOW	147	=item $cf::NOW
126		148
127	The time of the last (current) server tick.	149	The time of the last (current) server tick.
128		150
129	=item $cf::TICK	151	=item $cf::TICK
130		152
131	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.
132		164
133	=item %cf::CFG	165	=item %cf::CFG
134		166
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
136	from wherever your confdir points to.	168	from wherever your confdir points to.
…		…
139		171
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		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.
		181
144	=back	182	=back
145		183
146	=cut	184	=cut
147		185
148	BEGIN {	186	BEGIN {
149	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	188	my $msg = join "", @_;
151	utf8::encode $msg;
152		189
153	$msg .= "\n"	190	$msg .= "\n"
154	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
155		194
156	LOG llevError, $msg;	195	LOG llevError, $msg;
157	};	196	};
158	}	197	}
159		198
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		206
167	# 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
168	# within the Safe compartment.	208	# within the Safe compartment.
169	for my $pkg (qw(	209	for my $pkg (qw(
170	cf::global cf::attachable	210	cf::global cf::attachable
…		…
178	}	218	}
179		219
180	$Event::DIED = sub {	220	$Event::DIED = sub {
181	warn "error in event callback: @_";	221	warn "error in event callback: @_";
182	};	222	};
		223
		224	#############################################################################
183		225
184	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
185		227
186	=over 4	228	=over 4
187		229
…		…
206	$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;
207	$d	249	$d
208	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
209	}	251	}
210		252
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
214		254
215	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
216		256
217	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
218		258
219	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]) }
220		267
221	=item cf::lock_wait $string	268	=item cf::lock_wait $string
222		269
223	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
224		271
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
230	returned.	277	returned.
231		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
232	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
233	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
234		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
235	=cut	289	=cut
236		290
237	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
238		293
239	sub lock_wait($) {	294	sub lock_wait($) {
240	my ($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#
241		301
242	# wait for lock, if any	302	# wait for lock, if any
243	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	305	Coro::schedule;
…		…
251		311
252	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
253	lock_wait $key;	313	lock_wait $key;
254		314
255	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
256		317
257	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
260	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
261	}	329	}
262		330
263	sub freeze_mainloop {	331	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
265		333
…		…
268	};	336	};
269	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
270	$guard	338	$guard
271	}	339	}
272		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
273	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
274		400
275	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
276	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
277	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.
…		…
280		406
281	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
282		408
283	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
284		410
285	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)
286	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
287	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.
288		415
289	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
290	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
291	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
292	fast or be very important.	419	fast or be very important.
…		…
295		422
296	sub sync_job(&) {	423	sub sync_job(&) {
297	my ($job) = @_;	424	my ($job) = @_;
298		425
299	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
300	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
302		431
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
303	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	435	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
306		437
307	my $busy = 1;	438	my $busy = 1;
308	my @res;	439	my @res;
309		440
310	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	443	@res = eval { $job->() };
312	warn $@ if $@;	444	warn $@ if $@;
313	undef $busy;	445	undef $busy;
314	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
315		447
316	while ($busy) {	448	while ($busy) {
317	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
318	}	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
319		458
320	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
321	} else {	460	} else {
322	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
323		462
…		…
343	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
344		483
345	$coro	484	$coro
346	}	485	}
347		486
348	sub write_runtime {	487	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		488
351	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.
352		493
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	494	=cut
354	or return;
355		495
356	my $value = $cf::RUNTIME + 90 + 10;	496	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	497	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		498
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	499	# we seemingly have to make a local copy of the whole thing,
361	and return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
362		502
363	# always fsync - this file is important	503	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	504	reset_signals;
365	and return;	505	&$cb
		506	}, @args;
366		507
367	close $fh	508	wantarray ? @res : $res[-1]
368	or return;	509	}
369		510
370	aio_rename "$runtime~", $runtime	511	=item $value = cf::db_get $family => $key
371	and return;
372		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
373	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"
374	}	636	}
375		637
376	=item cf::datalog type => key => value, ...	638	=item cf::datalog type => key => value, ...
377		639
378	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.
…		…
396	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")
397	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
398		660
399	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>
400	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
401	crossfire+).	663	Crossfire TRT).
402		664
403	=over 4	665	=over 4
404		666
405	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
406		668
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
570		832
571	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		837
576	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	839	my $pkg = shift @arg;
578		840
579	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
609	}	871	}
610		872
611	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
612	} else {	874	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	876	}
615		877
616	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
617	}	879	}
618		880
…		…
620	if (ref $_[0]) {	882	if (ref $_[0]) {
621	_object_attach @_;	883	_object_attach @_;
622	} else {	884	} else {
623	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
624	}	886	}
		887	_recalc_want;
625	};	888	};
626		889
627	# all those should be optimised	890	# all those should be optimised
628	sub cf::attachable::detach {	891	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
633	reattach ($obj);	896	reattach ($obj);
634	} else {	897	} else {
635	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
636	}	899	}
		900	_recalc_want;
637	};	901	};
638		902
639	sub cf::attachable::attached {	903	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
641		905
…		…
656	";	920	";
657	die if $@;	921	die if $@;
658	}	922	}
659		923
660	our $override;	924	our $override;
661	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?
662		926
663	sub override {	927	sub override {
664	$override = 1;	928	$override = 1;
665	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
666	}	930	}
667		931
668	sub do_invoke {	932	sub do_invoke {
669	my $event = shift;	933	my $event = shift;
670	my $callbacks = shift;	934	my $callbacks = shift;
671		935
672	@invoke_results = ();	936	@INVOKE_RESULTS = ();
673		937
674	local $override;	938	local $override;
675		939
676	for (@$callbacks) {	940	for (@$callbacks) {
677	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
694		958
695	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
696		960
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		964
701	=back	965	=back
702		966
703	=cut	967	=cut
704		968
705	#############################################################################	969	#############################################################################
706	# 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	}
707		982
708	sub reattach {	983	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	985	my ($obj) = @_;
711		986
…		…
758	sub object_freezer_save {	1033	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
760		1035
761	sync_job {	1036	sync_job {
762	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
765		1041
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1045	aio_fsync $fh if $cf::USE_FSYNC;
…		…
788	}	1064	}
789	} else {	1065	} else {
790	aio_unlink $filename;	1066	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
792	}	1068	}
793	}	1069	};
794	}	1070	}
795		1071
796	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
798		1074
…		…
810	or return;	1086	or return;
811		1087
812	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
814	or return;	1090	or return;
		1091
815	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1093	}
817		1094
		1095	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1096	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1097	$decname, length $data, scalar @{$av || []};
		1098
820	return ($data, $av);	1099	($data, $av)
821	}	1100	}
		1101
		1102	=head2 COMMAND CALLBACKS
		1103
		1104	=over 4
		1105
		1106	=cut
822		1107
823	#############################################################################	1108	#############################################################################
824	# command handling &c	1109	# command handling &c
825		1110
826	=item cf::register_command $name => \&callback($ob,$args);	1111	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1124	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1125	}
841		1126
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1127	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1128
844	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.
845		1134
846	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
847	called.	1136	called.
848		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
849	=cut	1149	=cut
850		1150
851	sub register_extcmd {	1151	sub register_extcmd {
852	my ($name, $cb) = @_;	1152	my ($name, $cb) = @_;
853		1153
854	$EXTCMD{$name} = $cb;	1154	$EXTCMD{$name} = $cb;
		1155	}
		1156
		1157	sub register_exticmd {
		1158	my ($name, $cb) = @_;
		1159
		1160	$EXTICMD{$name} = $cb;
855	}	1161	}
856		1162
857	cf::player->attach (	1163	cf::player->attach (
858	on_command => sub {	1164	on_command => sub {
859	my ($pl, $name, $params) = @_;	1165	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1174	cf::override;
869	},	1175	},
870	on_extcmd => sub {	1176	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1177	my ($pl, $buf) = @_;
872		1178
873	my $msg = eval { from_json $buf };	1179	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1180
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1189	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1190	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1191	}
		1192
		1193	$pl->ext_reply ($reply, @reply)
		1194	if $reply;
		1195
881	} else {	1196	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1197	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1198	}
884		1199
885	cf::override;	1200	cf::override;
886	},	1201	},
887	);	1202	);
888		1203
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1204	sub load_extensions {
		1205	cf::sync_job {
		1206	my %todo;
		1207
924	for my $ext (<$LIBDIR/*.ext>) {	1208	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1209	next unless -r $path;
926	eval {	1210
927	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;
928	1	1268	}
929	} or warn "$ext not loaded: $@";	1269
		1270	skip:
		1271	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1272	unless $progress;
		1273	}
930	}	1274	};
931	}	1275	}
932		1276
933	#############################################################################	1277	#############################################################################
934		1278
		1279	=back
		1280
935	=head2 CORE EXTENSIONS	1281	=head2 CORE EXTENSIONS
936		1282
937	Functions and methods that extend core crossfire objects.	1283	Functions and methods that extend core crossfire objects.
938		1284
939	=cut	1285	=cut
…		…
944		1290
945	=head3 cf::player	1291	=head3 cf::player
946		1292
947	=over 4	1293	=over 4
948		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
949	=item cf::player::find $login	1309	=item cf::player::find $login
950		1310
951	Returns the given player object, loading it if necessary (might block).	1311	Returns the given player object, loading it if necessary (might block).
952		1312
953	=cut	1313	=cut
954		1314
955	sub playerdir($) {	1315	sub playerdir($) {
956	cf::localdir	1316	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1317	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1318	}
962		1319
963	sub path($) {	1320	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1321	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1348	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1349	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1350	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1351	aio_unlink +(playerdir $login) . "/$login.pl";
995		1352
996	my $pl = load_pl path $login	1353	my $f = new_from_file cf::object::thawer path $login
997	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;
998	$cf::PLAYER{$login} = $pl	1360	$cf::PLAYER{$login} = $pl
999	}	1361	}
1000	}	1362	}
1001	}	1363	}
1002		1364
…		…
1012		1374
1013	aio_mkdir playerdir $pl, 0770;	1375	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1376	$pl->{last_save} = $cf::RUNTIME;
1015		1377
1016	$pl->save_pl ($path);	1378	$pl->save_pl ($path);
1017	Coro::cede;	1379	cf::cede_to_tick;
1018	}	1380	}
1019		1381
1020	sub new($) {	1382	sub new($) {
1021	my ($login) = @_;	1383	my ($login) = @_;
1022		1384
…		…
1026	$self->{deny_save} = 1;	1388	$self->{deny_save} = 1;
1027		1389
1028	$cf::PLAYER{$login} = $self;	1390	$cf::PLAYER{$login} = $self;
1029		1391
1030	$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 (@_);
1031	}	1403	}
1032		1404
1033	=item $pl->quit_character	1405	=item $pl->quit_character
1034		1406
1035	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
…		…
1084	while and may block, so not sync_job-capable, ever.	1456	while and may block, so not sync_job-capable, ever.
1085		1457
1086	=cut	1458	=cut
1087		1459
1088	sub list_logins {	1460	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1461	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1462	or return [];
1091		1463
1092	my @logins;	1464	my @logins;
1093		1465
1094	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") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1471	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1472	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1473	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1474	}
1098		1475
1099	utf8::decode $login;	1476	utf8::decode $login;
1100	push @logins, $login;	1477	push @logins, $login;
1101	}	1478	}
1102		1479
…		…
1129	}	1506	}
1130		1507
1131	\@paths	1508	\@paths
1132	}	1509	}
1133		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
1134	=item $player->ext_reply ($msgid, %msg)	1562	=item $player->ext_reply ($msgid, @msg)
1135		1563
1136	Sends an ext reply to the player.	1564	Sends an ext reply to the player.
1137		1565
1138	=cut	1566	=cut
1139		1567
1140	sub ext_reply($$%) {	1568	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1569	my ($self, $id, @msg) = @_;
1142		1570
1143	$msg{msgid} = $id;	1571	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1572	}
1147		1573
1148	=item $player->ext_event ($type, %msg)	1574	=item $player->ext_msg ($type, @msg)
1149		1575
1150	Sends an ext event to the client.	1576	Sends an ext event to the client.
1151		1577
1152	=cut	1578	=cut
1153		1579
1154	sub ext_event($$%) {	1580	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1581	my ($self, $type, @msg) = @_;
1156		1582
1157	$self->ns->ext_event ($type, %msg);	1583	$self->ns->ext_msg ($type, @msg);
1158	}	1584	}
1159		1585
1160	=head3 cf::region	1586	=head3 cf::region
1161		1587
1162	=over 4	1588	=over 4
…		…
1165		1591
1166	package cf::region;	1592	package cf::region;
1167		1593
1168	=item cf::region::find_by_path $path	1594	=item cf::region::find_by_path $path
1169		1595
1170	Tries to decuce the probable region for a map knowing only its path.	1596	Tries to decuce the likely region for a map knowing only its path.
1171		1597
1172	=cut	1598	=cut
1173		1599
1174	sub find_by_path($) {	1600	sub find_by_path($) {
1175	my ($path) = @_;	1601	my ($path) = @_;
1176		1602
1177	my ($match, $specificity);	1603	my ($match, $specificity);
1178		1604
1179	for my $region (list) {	1605	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1606	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1607	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1608	if $region->specificity > $specificity;
1183	}	1609	}
1184	}	1610	}
1185		1611
…		…
1249	my ($self, $merge) = @_;	1675	my ($self, $merge) = @_;
1250		1676
1251	# we have to keep some variables in memory intact	1677	# we have to keep some variables in memory intact
1252	local $self->{path};	1678	local $self->{path};
1253	local $self->{load_path};	1679	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1680
1257	$self->SUPER::thawer_merge ($merge);	1681	$self->SUPER::thawer_merge ($merge);
1258	}	1682	}
1259		1683
1260	sub normalise {	1684	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1731	$self->init; # pass $1 etc.
1308	return $self;	1732	return $self;
1309	}	1733	}
1310	}	1734	}
1311		1735
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1736	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1737	()
1314	}	1738	}
1315		1739
1316	sub init {	1740	sub init {
1317	my ($self) = @_;	1741	my ($self) = @_;
…		…
1332		1756
1333	# the original (read-only) location	1757	# the original (read-only) location
1334	sub load_path {	1758	sub load_path {
1335	my ($self) = @_;	1759	my ($self) = @_;
1336		1760
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1761	"$MAPDIR/$self->{path}.map"
1338	}	1762	}
1339		1763
1340	# the temporary/swap location	1764	# the temporary/swap location
1341	sub save_path {	1765	sub save_path {
1342	my ($self) = @_;	1766	my ($self) = @_;
1343		1767
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1768	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1769	"$TMPDIR/$path.map"
1346	}	1770	}
1347		1771
1348	# the unique path, undef == no special unique path	1772	# the unique path, undef == no special unique path
1349	sub uniq_path {	1773	sub uniq_path {
1350	my ($self) = @_;	1774	my ($self) = @_;
1351		1775
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1776	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1777	"$UNIQUEDIR/$path"
1354	}	1778	}
1355		1779
1356	# and all this just because we cannot iterate over	1780	# and all this just because we cannot iterate over
1357	# all maps in C++...	1781	# all maps in C++...
1358	sub change_all_map_light {	1782	sub change_all_map_light {
…		…
1360		1784
1361	$_->change_map_light ($change)	1785	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1786	for grep $_->outdoor, values %cf::MAP;
1363	}	1787	}
1364		1788
		1789	sub decay_objects {
		1790	my ($self) = @_;
		1791
		1792	return if $self->{deny_reset};
		1793
		1794	$self->do_decay_objects;
		1795	}
		1796
1365	sub unlink_save {	1797	sub unlink_save {
1366	my ($self) = @_;	1798	my ($self) = @_;
1367		1799
1368	utf8::encode (my $save = $self->save_path);	1800	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1801	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1804
1373	sub load_header_from($) {	1805	sub load_header_from($) {
1374	my ($self, $path) = @_;	1806	my ($self, $path) = @_;
1375		1807
1376	utf8::encode $path;	1808	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1809	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	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;
1382		1817
1383	$self->{load_path} = $path;	1818	$self->{load_path} = $path;
1384		1819
1385	1	1820	1
1386	}	1821	}
…		…
1425	$self->load_header_orig	1860	$self->load_header_orig
1426	or return;	1861	or return;
1427	$self->prepare_orig;	1862	$self->prepare_orig;
1428	}	1863	}
1429		1864
		1865	$self->{deny_reset} = 1
		1866	if $self->no_reset;
		1867
1430	$self->default_region (cf::region::find_by_path $self->{path})	1868	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1869	unless $self->default_region;
1432		1870
1433	1	1871	1
1434	}	1872	}
…		…
1437	sub find {	1875	sub find {
1438	my ($path, $origin) = @_;	1876	my ($path, $origin) = @_;
1439		1877
1440	$path = normalise $path, $origin && $origin->path;	1878	$path = normalise $path, $origin && $origin->path;
1441		1879
		1880	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1881	cf::lock_wait "map_find:$path";
1443		1882
1444	$cf::MAP{$path} || do {	1883	$cf::MAP{$path} || do {
1445	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
1446	my $map = new_from_path cf::map $path	1887	my $map = new_from_path cf::map $path
1447	or return;	1888	or return;
1448		1889
1449	$map->{last_save} = $cf::RUNTIME;	1890	$map->{last_save} = $cf::RUNTIME;
1450		1891
1451	$map->load_header	1892	$map->load_header
1452	or return;	1893	or return;
1453		1894
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1895	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1896	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1897	#$cf::WAIT_FOR_TICK->wait;
		1898	undef $guard1;
		1899	undef $guard2;
1457	$map->reset;	1900	$map->reset;
1458	undef $guard;
1459	return find $path;	1901	return find $path;
1460	}	1902	}
1461		1903
1462	$cf::MAP{$path} = $map	1904	$cf::MAP{$path} = $map
1463	}	1905	}
…		…
1470	my ($self) = @_;	1912	my ($self) = @_;
1471		1913
1472	local $self->{deny_reset} = 1; # loading can take a long time	1914	local $self->{deny_reset} = 1; # loading can take a long time
1473		1915
1474	my $path = $self->{path};	1916	my $path = $self->{path};
		1917
		1918	{
1475	my $guard = cf::lock_acquire "map_load:$path";	1919	my $guard = cf::lock_acquire "map_data:$path";
1476		1920
		1921	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1922	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		1923
1479	$self->in_memory (cf::MAP_LOADING);	1924	$self->in_memory (cf::MAP_LOADING);
1480		1925
1481	$self->alloc;	1926	$self->alloc;
1482		1927
1483	$self->pre_load;	1928	$self->pre_load;
1484	Coro::cede;	1929	cf::cede_to_tick;
1485		1930
1486	$self->_load_objects ($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)
1487	or return;	1934	or return;
1488		1935
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1936	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};	1937	if delete $self->{load_original};
1491		1938
1492	if (my $uniq = $self->uniq_path) {	1939	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	1940	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	1941	unless (aio_stat $uniq) {
		1942	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	1943	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	1944	$self->_load_objects ($f);
		1945	$f->resolve_delayed_derefs;
		1946	}
1497	}	1947	}
1498	}	1948	}
1499		1949
1500	Coro::cede;	1950	$f->resolve_delayed_derefs;
		1951
		1952	cf::cede_to_tick;
1501	# now do the right thing for maps	1953	# now do the right thing for maps
1502	$self->link_multipart_objects;	1954	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	1955	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	1956	unless $self->difficulty;
1513	Coro::cede;	1957	cf::cede_to_tick;
		1958
		1959	unless ($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;
1514	$self->activate;	1966	$self->activate;
1515	Coro::cede;	1967	}
		1968
		1969	$self->{last_save} = $cf::RUNTIME;
		1970	$self->last_access ($cf::RUNTIME);
		1971
		1972	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	1973	}
1517		1974
1518	$self->post_load;	1975	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	1976	}
1523		1977
1524	sub customise_for {	1978	sub customise_for {
1525	my ($self, $ob) = @_;	1979	my ($self, $ob) = @_;
1526		1980
1527	return find "~" . $ob->name . "/" . $self->{path}	1981	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	1982	if $self->per_player;
1529		1983
		1984	# return find "?party/" . $ob->name . "/" . $self->{path}
		1985	# if $self->per_party;
		1986
1530	$self	1987	$self
1531	}	1988	}
1532		1989
1533	# find and load all maps in the 3x3 area around a map	1990	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	1991	sub load_neighbours {
1535	my ($map) = @_;	1992	my ($map) = @_;
1536		1993
1537	my @diag; # diagonal neighbours	1994	my @neigh; # diagonal neighbours
1538		1995
1539	for (0 .. 3) {	1996	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	1997	my $neigh = $map->tile_path ($_)
1541	or next;	1998	or next;
1542	$neigh = find $neigh, $map	1999	$neigh = find $neigh, $map
1543	or next;	2000	or next;
1544	$neigh->load;	2001	$neigh->load;
1545		2002
		2003	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2004	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2005	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2006	}
1549		2007
1550	for (@diag) {	2008	for (grep defined $_->[0], @neigh) {
		2009	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2010	my $neigh = find $path, $origin
1552	or next;	2011	or next;
1553	$neigh->load;	2012	$neigh->load;
1554	}	2013	}
1555	}	2014	}
1556		2015
…		…
1561	}	2020	}
1562		2021
1563	sub do_load_sync {	2022	sub do_load_sync {
1564	my ($map) = @_;	2023	my ($map) = @_;
1565		2024
		2025	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2026	if $Coro::current == $Coro::main;
		2027
1566	cf::sync_job { $map->load };	2028	cf::sync_job { $map->load };
1567	}	2029	}
1568		2030
1569	our %MAP_PREFETCH;	2031	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2032	our $MAP_PREFETCHER = undef;
1571		2033
1572	sub find_async {	2034	sub find_async {
1573	my ($path, $origin) = @_;	2035	my ($path, $origin, $load) = @_;
1574		2036
1575	$path = normalise $path, $origin && $origin->{path};	2037	$path = normalise $path, $origin && $origin->{path};
1576		2038
1577	if (my $map = $cf::MAP{$path}) {	2039	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2040	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1579	}	2041	}
1580		2042
1581	undef $MAP_PREFETCH{$path};	2043	$MAP_PREFETCH{$path} |= $load;
		2044
1582	$MAP_PREFETCHER ||= cf::async {	2045	$MAP_PREFETCHER ||= cf::async {
		2046	$Coro::current->{desc} = "map prefetcher";
		2047
1583	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2050	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2051	$map->load if $v;
		2052	}
1588		2053
1589	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1590	}	2055	}
1591	}	2056	}
1592	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1593	};	2058	};
1594	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2062	}
1598		2063
1599	sub save {	2064	sub save {
1600	my ($self) = @_;	2065	my ($self) = @_;
1601		2066
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2068
1604	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1605		2070
1606	return unless $self->dirty;	2071	return unless $self->dirty;
1607		2072
…		…
1613	return if $self->{deny_save};	2078	return if $self->{deny_save};
1614		2079
1615	local $self->{last_access} = $self->last_access;#d#	2080	local $self->{last_access} = $self->last_access;#d#
1616		2081
1617	cf::async {	2082	cf::async {
		2083	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2084	$_->contr->save for $self->players;
1619	};	2085	};
1620		2086
1621	if ($uniq) {	2087	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1630	my ($self) = @_;	2096	my ($self) = @_;
1631		2097
1632	# save first because save cedes	2098	# save first because save cedes
1633	$self->save;	2099	$self->save;
1634		2100
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2101	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2102
1637	return if $self->players;	2103	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};	2105	return if $self->{deny_save};
1640		2106
		2107	$self->in_memory (cf::MAP_SWAPPED);
		2108
		2109	$self->deactivate;
		2110	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2111	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2112	}
1644		2113
1645	sub reset_at {	2114	sub reset_at {
1646	my ($self) = @_;	2115	my ($self) = @_;
1647		2116
1648	# TODO: safety, remove and allow resettable per-player maps	2117	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2118	return 1e99 if $self->{deny_reset};
1651		2119
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2122
…		…
1665	my ($self) = @_;	2133	my ($self) = @_;
1666		2134
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2136
1669	return if $self->players;	2137	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2138
1672	warn "resetting map ", $self->path;#d#	2139	warn "resetting map ", $self->path;
1673		2140
1674	$self->in_memory (cf::MAP_SWAPPED);	2141	$self->in_memory (cf::MAP_SWAPPED);
1675		2142
1676	# need to save uniques path	2143	# need to save uniques path
1677	unless ($self->{deny_save}) {	2144	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2148	if $uniq;
1682	}	2149	}
1683		2150
1684	delete $cf::MAP{$self->path};	2151	delete $cf::MAP{$self->path};
1685		2152
		2153	$self->deactivate;
		2154	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2155	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2156
1690	$self->unlink_save;	2157	$self->unlink_save;
1691	$self->destroy;	2158	$self->destroy;
1692	}	2159	}
1693		2160
1694	my $nuke_counter = "aaaa";	2161	my $nuke_counter = "aaaa";
1695		2162
1696	sub nuke {	2163	sub nuke {
1697	my ($self) = @_;	2164	my ($self) = @_;
1698		2165
		2166	{
		2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2168
1699	delete $cf::MAP{$self->path};	2169	delete $cf::MAP{$self->path};
1700		2170
1701	$self->unlink_save;	2171	$self->unlink_save;
1702		2172
1703	bless $self, "cf::map";	2173	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2174	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2175	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2176	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2178
1709	$cf::MAP{$self->path} = $self;	2179	$cf::MAP{$self->path} = $self;
		2180	}
1710		2181
1711	$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	]
1712	}	2219	}
1713		2220
1714	=item cf::map::unique_maps	2221	=item cf::map::unique_maps
1715		2222
1716	Returns an arrayref of paths of all shared maps that have	2223	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2224	instantiated unique items. May block.
1718		2225
1719	=cut	2226	=cut
1720		2227
1721	sub unique_maps() {	2228	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2229	[
1723	or return;	2230	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2231	utf8::decode $_;
1729	next if /\.pst$/;	2232	/\.map$/
1730	next unless /^$PATH_SEP/o;	2233	? normalise $_
1731		2234	: ()
1732	push @paths, cf::map::normalise $_;	2235	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2236	]
1734
1735	\@paths
1736	}	2237	}
1737		2238
1738	package cf;	2239	package cf;
1739		2240
1740	=back	2241	=back
…		…
1758	map { $_, inv_recursive_ $_->inv } @_	2259	map { $_, inv_recursive_ $_->inv } @_
1759	}	2260	}
1760		2261
1761	sub inv_recursive {	2262	sub inv_recursive {
1762	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	}
1763	}	2292	}
1764		2293
1765	package cf;	2294	package cf;
1766		2295
1767	=back	2296	=back
…		…
1786		2315
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2316	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2317
1789	if ($self->{record_replies}) {	2318	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2319	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2320
1791	} 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 {
1792	$msg = $npc->name . " says: $msg" if $npc;	2329	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2330	$self->message ($msg, $flags);
		2331	}
1794	}	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 (@_);
1795	}	2343	}
1796		2344
1797	=item $player_object->may ("access")	2345	=item $player_object->may ("access")
1798		2346
1799	Returns wether the given player is authorized to access resource "access"	2347	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2394	$self->deactivate_recursive;
1847		2395
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2396	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2397
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2398	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2399	if $self->map && $self->map->{path} ne "{link}";
1852		2400
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2401	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2402	}
1855		2403
1856	sub cf::object::player::leave_link {	2404	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2405	my ($self, $map, $x, $y) = @_;
		2406
		2407	return unless $self->contr->active;
1858		2408
1859	my $link_pos = delete $self->{_link_pos};	2409	my $link_pos = delete $self->{_link_pos};
1860		2410
1861	unless ($map) {	2411	unless ($map) {
1862	# restore original map position	2412	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2426	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2427	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2428	if $x <=0 && $y <= 0;
1879		2429
1880	$map->load;	2430	$map->load;
1881	$map->load_diag;	2431	$map->load_neighbours;
1882		2432
1883	return unless $self->contr->active;	2433	return unless $self->contr->active;
1884	$self->activate_recursive;	2434	$self->activate_recursive;
1885		2435
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2436	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2437	$self->enter_map ($map, $x, $y);
1888	}	2438	}
1889		2439
1890	cf::player->attach (	2440	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2441
1894	# abort map switching before logout	2442	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2443	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2444	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2445	the new (success) or old (failed) map position. In either case, $done will
1898	};	2446	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2447
1904	# try to abort aborted map switching on player login :)
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2448	=cut
		2449
		2450	our $GOTOGEN;
1925		2451
1926	sub cf::object::player::goto {	2452	sub cf::object::player::goto {
1927	my ($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;
1928		2457
1929	$self->enter_link;	2458	$self->enter_link;
1930		2459
1931	(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
1932	my $map = eval {	2482	my $map = eval {
1933	my $map = cf::map::find $path;	2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1934	$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
1935	$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 $@;
1936	} or	2498	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1940	})->prio (1);	2506	})->prio (1);
1941	}	2507	}
1942		2508
1943	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
1944		2510
…		…
1983		2549
1984	$rmp->{random_seed} ||= $exit->random_seed;	2550	$rmp->{random_seed} ||= $exit->random_seed;
1985		2551
1986	my $data = cf::to_json $rmp;	2552	my $data = cf::to_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2553	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2554	my $meta = "$RANDOMDIR/$md5.meta";
1989		2555
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2557	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2558	undef $fh;
1993	aio_rename "$meta~", $meta;	2559	aio_rename "$meta~", $meta;
…		…
2013	my $hp = $exit->stats->hp;	2579	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2580	my $sp = $exit->stats->sp;
2015		2581
2016	$self->enter_link;	2582	$self->enter_link;
2017		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
2018	(async {	2588	(async {
		2589	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2590
2019	$self->deactivate_recursive; # just to be sure	2591	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2592	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2593	$self->goto ($slaying, $hp, $sp);
2022		2594
2023	1;	2595	1;
…		…
2049		2621
2050	utf8::encode $text;	2622	utf8::encode $text;
2051	$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);
2052	}	2624	}
2053		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
2054	=item $client->ext_event ($type, %msg)	2719	=item $client->ext_msg ($type, @msg)
2055		2720
2056	Sends an exti event to the client.	2721	Sends an ext event to the client.
2057		2722
2058	=cut	2723	=cut
2059		2724
2060	sub cf::client::ext_event($$%) {	2725	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2726	my ($self, $type, @msg) = @_;
2062		2727
		2728	if ($self->extcmd == 2) {
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2730	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2731	push @msg, msgtype => "event_$type";
2064	$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	}
2065	}	2752	}
2066		2753
2067	=item $success = $client->query ($flags, "text", \&cb)	2754	=item $success = $client->query ($flags, "text", \&cb)
2068		2755
2069	Queues a query to the client, calling the given callback with	2756	Queues a query to the client, calling the given callback with
2070	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>,
2071	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>.
2072		2759
2073	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
2074	reliable at some point in the future.	2761	become reliable at some point in the future.
2075		2762
2076	=cut	2763	=cut
2077		2764
2078	sub cf::client::query {	2765	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2766	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2774	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2775	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2776
2090	$self->send_packet ($self->{query_queue}[0][0])	2777	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2778	if @{ $self->{query_queue} } == 1;
		2779
		2780	1
2092	}	2781	}
2093		2782
2094	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	},
2095	on_reply => sub {	2789	on_reply => sub {
2096	my ($ns, $msg) = @_;	2790	my ($ns, $msg) = @_;
2097		2791
2098	# this weird shuffling is so that direct followup queries	2792	# this weird shuffling is so that direct followup queries
2099	# get handled first	2793	# get handled first
…		…
2111	} else {	2805	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2806	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2807	}
2114	}	2808	}
2115	},	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	},
2116	);	2836	);
2117		2837
2118	=item $client->async (\&cb)	2838	=item $client->async (\&cb)
2119		2839
2120	Create a new coroutine, running the specified callback. The coroutine will	2840	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	2881	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	2882	our $safe_hole = new Safe::Hole;
2163		2883
2164	$SIG{FPE} = 'IGNORE';	2884	$SIG{FPE} = 'IGNORE';
2165		2885
2166	$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	));
2167		2891
2168	# here we export the classes and methods available to script code	2892	# here we export the classes and methods available to script code
2169		2893
2170	=pod	2894	=pod
2171		2895
2172	The following functions and methods are available within a safe environment:	2896	The following functions and methods are available within a safe environment:
2173		2897
2174	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
2175	cf::object::player player	2902	cf::object::player
2176	cf::player peaceful	2903	player
2177	cf::map trigger	2904
		2905	cf::player
		2906	peaceful
		2907
		2908	cf::map
		2909	trigger
2178		2910
2179	=cut	2911	=cut
2180		2912
2181	for (	2913	for (
2182	["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)],
2183	["cf::object::player" => qw(player)],	2917	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	2918	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	2919	["cf::map" => qw(trigger)],
2186	) {	2920	) {
2187	no strict 'refs';	2921	no strict 'refs';
…		…
2258	=back	2992	=back
2259		2993
2260	=cut	2994	=cut
2261		2995
2262	#############################################################################	2996	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	2997	# the server's init and main functions
2336		2998
2337	sub load_facedata {	2999	sub load_facedata($) {
2338	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;
2339		3007
2340	warn "loading facedata from $path\n";	3008	warn "loading facedata from $path\n";
2341		3009
2342	my $facedata;	3010	my $facedata;
2343	0 < aio_load $path, $facedata	3011	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3014	$facedata = Coro::Storable::thaw $facedata;
2347		3015
2348	$facedata->{version} == 2	3016	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3017	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		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
2351	{	3026	{
2352	my $faces = $facedata->{faceinfo};	3027	my $faces = $facedata->{faceinfo};
2353		3028
2354	while (my ($face, $info) = each %$faces) {	3029	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3030	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3031	cf::face::set_visibility $idx, $info->{visibility};
		3032	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3033	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3034	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3035
		3036	cf::cede_to_tick;
2360	}	3037	}
2361		3038
2362	while (my ($face, $info) = each %$faces) {	3039	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3040	next unless $info->{smooth};
2364	my $idx = cf::face::find $face	3041	my $idx = cf::face::find $face
2365	or next;	3042	or next;
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3043	if (my $smooth = cf::face::find $info->{smooth}) {
		3044	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3045	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3046	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3047	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3048	}
2371	Coro::cede;	3049
		3050	cf::cede_to_tick;
2372	}	3051	}
2373	}	3052	}
2374		3053
2375	{	3054	{
2376	my $anims = $facedata->{animinfo};	3055	my $anims = $facedata->{animinfo};
2377		3056
2378	while (my ($anim, $info) = each %$anims) {	3057	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3058	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3059	cf::cede_to_tick;
2381	}	3060	}
2382		3061
2383	cf::anim::invalidate_all; # d'oh	3062	cf::anim::invalidate_all; # d'oh
2384	}	3063	}
2385		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
2386	1	3114	1
2387	}	3115	}
2388		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
2389	sub reload_resources {	3159	sub reload_resources {
2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3160	warn "reloading resource files...\n";
2391	or die "unable to load regions file\n";#d#	3161
		3162	reload_regions;
2392	load_facedata	3163	reload_facedata;
2393	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";
2394	}	3169	}
2395		3170
2396	sub init {	3171	sub init {
2397	reload_resources;	3172	reload_resources;
2398	}	3173	}
2399		3174
2400	sub cfg_load {	3175	sub reload_config {
2401	open my $fh, "<:utf8", cf::confdir . "/config"	3176	open my $fh, "<:utf8", "$CONFDIR/config"
2402	or return;	3177	or return;
2403		3178
2404	local $/;	3179	local $/;
2405	*CFG = YAML::Syck::Load <$fh>;	3180	*CFG = YAML::Syck::Load <$fh>;
2406		3181
…		…
2421	sub main {	3196	sub main {
2422	# we must not ever block the main coroutine	3197	# we must not ever block the main coroutine
2423	local $Coro::idle = sub {	3198	local $Coro::idle = sub {
2424	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#
2425	(async {	3200	(async {
		3201	$Coro::current->{desc} = "IDLE BUG HANDLER";
2426	Event::one_event;	3202	Event::one_event;
2427	})->prio (Coro::PRIO_MAX);	3203	})->prio (Coro::PRIO_MAX);
2428	};	3204	};
2429		3205
2430	cfg_load;	3206	reload_config;
2431	db_init;	3207	db_init;
2432	load_extensions;	3208	load_extensions;
2433		3209
2434	$TICK_WATCHER->start;	3210	$TICK_WATCHER->start;
2435	Event::loop;	3211	Event::loop;
…		…
2451	},	3227	},
2452	);	3228	);
2453	}	3229	}
2454	}	3230	}
2455		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
2456	sub emergency_save() {	3270	sub emergency_save() {
2457	my $freeze_guard = cf::freeze_mainloop;	3271	my $freeze_guard = cf::freeze_mainloop;
2458		3272
2459	warn "enter emergency perl save\n";	3273	warn "enter emergency perl save\n";
2460		3274
…		…
2491		3305
2492	warn Carp::longmess "post_cleanup backtrace"	3306	warn Carp::longmess "post_cleanup backtrace"
2493	if $make_core;	3307	if $make_core;
2494	}	3308	}
2495		3309
2496	sub reload() {	3310	sub do_reload_perl() {
2497	# can/must only be called in main	3311	# can/must only be called in main
2498	if ($Coro::current != $Coro::main) {	3312	if ($Coro::current != $Coro::main) {
2499	warn "can only reload from main coroutine";	3313	warn "can only reload from main coroutine";
2500	return;	3314	return;
2501	}	3315	}
…		…
2535	%EXT_CORO = ();	3349	%EXT_CORO = ();
2536		3350
2537	warn "removing commands";	3351	warn "removing commands";
2538	%COMMAND = ();	3352	%COMMAND = ();
2539		3353
2540	warn "removing ext commands";	3354	warn "removing ext/exti commands";
2541	%EXTCMD = ();	3355	%EXTCMD = ();
		3356	%EXTICMD = ();
2542		3357
2543	warn "unloading/nuking all extensions";	3358	warn "unloading/nuking all extensions";
2544	for my $pkg (@EXTS) {	3359	for my $pkg (@EXTS) {
2545	warn "... unloading $pkg";	3360	warn "... unloading $pkg";
2546		3361
…		…
2576	Symbol::delete_package "safe::$_"	3391	Symbol::delete_package "safe::$_"
2577	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);
2578		3393
2579	warn "unloading cf.pm \"a bit\"";	3394	warn "unloading cf.pm \"a bit\"";
2580	delete $INC{"cf.pm"};	3395	delete $INC{"cf.pm"};
		3396	delete $INC{"cf/pod.pm"};
2581		3397
2582	# don't, removes xs symbols, too,	3398	# don't, removes xs symbols, too,
2583	# and global variables created in xs	3399	# and global variables created in xs
2584	#Symbol::delete_package __PACKAGE__;	3400	#Symbol::delete_package __PACKAGE__;
2585		3401
…		…
2588	warn "reloading cf.pm";	3404	warn "reloading cf.pm";
2589	require cf;	3405	require cf;
2590	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3406	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2591		3407
2592	warn "loading config and database again";	3408	warn "loading config and database again";
2593	cf::cfg_load;	3409	cf::reload_config;
2594		3410
2595	warn "loading extensions";	3411	warn "loading extensions";
2596	cf::load_extensions;	3412	cf::load_extensions;
2597		3413
2598	warn "reattaching attachments to objects/players";	3414	warn "reattaching attachments to objects/players";
…		…
2600	warn "reattaching attachments to maps";	3416	warn "reattaching attachments to maps";
2601	reattach $_ for values %MAP;	3417	reattach $_ for values %MAP;
2602	warn "reattaching attachments to players";	3418	warn "reattaching attachments to players";
2603	reattach $_ for values %PLAYER;	3419	reattach $_ for values %PLAYER;
2604		3420
2605	warn "loading reloadable resources";
2606	reload_resources;
2607
2608	warn "leaving sync_job";	3421	warn "leaving sync_job";
2609		3422
2610	1	3423	1
2611	} or do {	3424	} or do {
2612	warn $@;	3425	warn $@;
…		…
2617	warn "reloaded";	3430	warn "reloaded";
2618	};	3431	};
2619		3432
2620	our $RELOAD_WATCHER; # used only during reload	3433	our $RELOAD_WATCHER; # used only during reload
2621		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
2622	register_command "reload" => sub {	3450	register_command "reload" => sub {
2623	my ($who, $arg) = @_;	3451	my ($who, $arg) = @_;
2624		3452
2625	if ($who->flag (FLAG_WIZ)) {	3453	if ($who->flag (FLAG_WIZ)) {
2626	$who->message ("reloading server.");	3454	$who->message ("reloading server.");
2627		3455	async {
2628	# doing reload synchronously and two reloads happen back-to-back,	3456	$Coro::current->{desc} = "perl_reload";
2629	# coro crashes during coro_state_free->destroy here.
2630
2631	$RELOAD_WATCHER ||= Event->timer (
2632	reentrant => 0,
2633	after => 0,
2634	data => WF_AUTOCANCEL,
2635	cb => sub {
2636	reload;	3457	reload_perl;
2637	undef $RELOAD_WATCHER;
2638	},
2639	);	3458	};
2640	}	3459	}
2641	};	3460	};
2642		3461
2643	unshift @INC, $LIBDIR;	3462	unshift @INC, $LIBDIR;
2644		3463
…		…
2647	our @WAIT_FOR_TICK;	3466	our @WAIT_FOR_TICK;
2648	our @WAIT_FOR_TICK_BEGIN;	3467	our @WAIT_FOR_TICK_BEGIN;
2649		3468
2650	sub wait_for_tick {	3469	sub wait_for_tick {
2651	return unless $TICK_WATCHER->is_active;	3470	return unless $TICK_WATCHER->is_active;
		3471	return if $Coro::current == $Coro::main;
		3472
2652	my $signal = new Coro::Signal;	3473	my $signal = new Coro::Signal;
2653	push @WAIT_FOR_TICK, $signal;	3474	push @WAIT_FOR_TICK, $signal;
2654	$signal->wait;	3475	$signal->wait;
2655	}	3476	}
2656		3477
2657	sub wait_for_tick_begin {	3478	sub wait_for_tick_begin {
2658	return unless $TICK_WATCHER->is_active;	3479	return unless $TICK_WATCHER->is_active;
		3480	return if $Coro::current == $Coro::main;
		3481
2659	my $signal = new Coro::Signal;	3482	my $signal = new Coro::Signal;
2660	push @WAIT_FOR_TICK_BEGIN, $signal;	3483	push @WAIT_FOR_TICK_BEGIN, $signal;
2661	$signal->wait;	3484	$signal->wait;
2662	}	3485	}
2663		3486
…		…
2672	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"
2673	unless ++$bug_warning > 10;	3496	unless ++$bug_warning > 10;
2674	return;	3497	return;
2675	}	3498	}
2676		3499
2677	$NOW = Event::time;	3500	$NOW = $tick_start = Event::time;
2678		3501
2679	cf::server_tick; # one server iteration	3502	cf::server_tick; # one server iteration
		3503
2680	$RUNTIME += $TICK;	3504	$RUNTIME += $TICK;
2681	$NEXT_TICK += $TICK;	3505	$NEXT_TICK += $TICK;
2682		3506
2683	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3507	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2684	$NEXT_RUNTIME_WRITE = $NOW + 10;	3508	$NEXT_RUNTIME_WRITE = $NOW + 10;
2685	Coro::async_pool {	3509	Coro::async_pool {
		3510	$Coro::current->{desc} = "runtime saver";
2686	write_runtime	3511	write_runtime
2687	or warn "ERROR: unable to write runtime file: $!";	3512	or warn "ERROR: unable to write runtime file: $!";
2688	};	3513	};
2689	}	3514	}
2690		3515
…		…
2693	}	3518	}
2694	while (my $sig = shift @WAIT_FOR_TICK) {	3519	while (my $sig = shift @WAIT_FOR_TICK) {
2695	$sig->send;	3520	$sig->send;
2696	}	3521	}
2697		3522
2698	# my $AFTER = Event::time;	3523	$NOW = Event::time;
2699	# warn $AFTER - $NOW;#d#
2700		3524
2701	# 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
2702	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3526	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2703		3527
2704	$TICK_WATCHER->at ($NEXT_TICK);	3528	$TICK_WATCHER->at ($NEXT_TICK);
2705	$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;
2706	},	3535	},
2707	);	3536	);
2708		3537
2709	{	3538	{
		3539	BDB::min_parallel 8;
2710	BDB::max_poll_time $TICK * 0.1;	3540	BDB::max_poll_time $TICK * 0.1;
2711	$BDB_POLL_WATCHER = Event->io (	3541	$BDB_POLL_WATCHER = Event->io (
2712	reentrant => 0,	3542	reentrant => 0,
2713	fd => BDB::poll_fileno,	3543	fd => BDB::poll_fileno,
2714	poll => 'r',	3544	poll => 'r',
2715	prio => 0,	3545	prio => 0,
2716	data => WF_AUTOCANCEL,	3546	data => WF_AUTOCANCEL,
2717	cb => \&BDB::poll_cb,	3547	cb => \&BDB::poll_cb,
2718	);	3548	);
2719	BDB::min_parallel 8;
2720		3549
2721	BDB::set_sync_prepare {	3550	BDB::set_sync_prepare {
2722	my $status;	3551	my $status;
2723	my $current = $Coro::current;	3552	my $current = $Coro::current;
2724	(	3553	(
…		…
2733	)	3562	)
2734	};	3563	};
2735		3564
2736	unless ($DB_ENV) {	3565	unless ($DB_ENV) {
2737	$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);
2738		3571
2739	cf::sync_job {	3572	cf::sync_job {
2740	eval {	3573	eval {
2741	BDB::db_env_open	3574	BDB::db_env_open
2742	$DB_ENV,	3575	$DB_ENV,
2743	$BDB_ENV_DIR,	3576	$BDBDIR,
2744	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
2745	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2746	0666;	3579	0666;
2747		3580
2748	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3581	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2749
2750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2751	$DB_ENV->set_lk_detect;
2752	};	3582	};
2753		3583
2754	cf::cleanup "db_env_open(db): $@" if $@;	3584	cf::cleanup "db_env_open(db): $@" if $@;
2755	};	3585	};
2756	}	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	);
2757	}	3618	}
2758		3619
2759	{	3620	{
2760	IO::AIO::min_parallel 8;	3621	IO::AIO::min_parallel 8;
2761		3622
…		…
2764	$AIO_POLL_WATCHER = Event->io (	3625	$AIO_POLL_WATCHER = Event->io (
2765	reentrant => 0,	3626	reentrant => 0,
2766	data => WF_AUTOCANCEL,	3627	data => WF_AUTOCANCEL,
2767	fd => IO::AIO::poll_fileno,	3628	fd => IO::AIO::poll_fileno,
2768	poll => 'r',	3629	poll => 'r',
2769	prio => 6,	3630	prio => 0,
2770	cb => \&IO::AIO::poll_cb,	3631	cb => \&IO::AIO::poll_cb,
2771	);	3632	);
2772	}	3633	}
2773		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
2774	END { cf::emergency_save }	3678	END { cf::emergency_save }
2775		3679
2776	1	3680	1
2777		3681

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