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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.232 by root, Wed Apr 4 02:07:19 2007 UTC vs.
Revision 1.378 by root, Thu Oct 4 11:36:54 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.64 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
21		25
		26	use JSON::XS ();
22	use BDB ();	27	use BDB ();
23	use Data::Dumper;	28	use Data::Dumper;
24	use Digest::MD5;	29	use Digest::MD5;
25	use Fcntl;	30	use Fcntl;
26	use YAML::Syck ();	31	use YAML::Syck ();
27	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
28	use Time::HiRes;	33	use Time::HiRes;
29	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
30		36
31	# configure various modules to our taste	37	# configure various modules to our taste
32	#	38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		42
36	$Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
37		44
…		…
45	our %COMMAND = ();	52	our %COMMAND = ();
46	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
47		54
48	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
52		60
53	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
54	our @EVENT;	62	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		63
57	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
58	our $TICK_WATCHER;	77	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	80	our $NEXT_TICK;
62	our $NOW;	81	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		83
65	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	88	our $DB_ENV;
67		89
68	our %CFG;	90	our %CFG;
69		91
70	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	93	our $RUNTIME;
72		94
73	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		98
82	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
85	binmode STDOUT;	106	binmode STDOUT;
86	binmode STDERR;	107	binmode STDERR;
87		108
88	# read virtual server time, if available	109	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
93	}	114	}
94		115
95	mkdir cf::localdir;	116	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		118
102	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
103		120
104	sub cf::map::normalise;	121	sub cf::map::normalise;
105		122
…		…
116	=item $cf::RUNTIME	133	=item $cf::RUNTIME
117		134
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	136	every server tick.
120		137
121	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		141
123	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
125		146
126	=item $cf::NOW	147	=item $cf::NOW
127		148
128	The time of the last (current) server tick.	149	The time of the last (current) server tick.
129		150
130	=item $cf::TICK	151	=item $cf::TICK
131		152
132	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
133		164
134	=item %cf::CFG	165	=item %cf::CFG
135		166
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	168	from wherever your confdir points to.
138		169
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		171
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
145		181
146	=back	182	=back
147		183
148	=cut	184	=cut
149		185
150	BEGIN {	186	BEGIN {
151	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	188	my $msg = join "", @_;
153	utf8::encode $msg;
154		189
155	$msg .= "\n"	190	$msg .= "\n"
156	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
157		194
158	LOG llevError, $msg;	195	LOG llevError, $msg;
159	};	196	};
160	}	197	}
161		198
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		206
169	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	208	# within the Safe compartment.
171	for my $pkg (qw(	209	for my $pkg (qw(
172	cf::global cf::attachable	210	cf::global cf::attachable
…		…
180	}	218	}
181		219
182	$Event::DIED = sub {	220	$Event::DIED = sub {
183	warn "error in event callback: @_";	221	warn "error in event callback: @_";
184	};	222	};
		223
		224	#############################################################################
185		225
186	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
187		227
188	=over 4	228	=over 4
189		229
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	249	$d
210	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
211	}	251	}
212		252
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
216		254
217	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
218		256
219	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
220		258
221	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
222		267
223	=item cf::lock_wait $string	268	=item cf::lock_wait $string
224		269
225	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
226		271
…		…
229	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
232	returned.	277	returned.
233		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
234	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
236		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
237	=cut	289	=cut
238		290
239	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
240		293
241	sub lock_wait($) {	294	sub lock_wait($) {
242	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
243		301
244	# wait for lock, if any	302	# wait for lock, if any
245	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	305	Coro::schedule;
…		…
253		311
254	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
255	lock_wait $key;	313	lock_wait $key;
256		314
257	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
258		317
259	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
262	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
263	}	329	}
264		330
265	sub freeze_mainloop {	331	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
267		333
…		…
270	};	336	};
271	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
272	$guard	338	$guard
273	}	339	}
274		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$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
275	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
276		400
277	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
282		406
283	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
284		408
285	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
286		410
287	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)
288	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
289	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.
290		415
291	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
292	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
293	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
294	fast or be very important.	419	fast or be very important.
…		…
297		422
298	sub sync_job(&) {	423	sub sync_job(&) {
299	my ($job) = @_;	424	my ($job) = @_;
300		425
301	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
302	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
304		431
305	# TODO: use suspend/resume instead	432	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	433	# (but this is cancel-safe)
…		…
308		435
309	my $busy = 1;	436	my $busy = 1;
310	my @res;	437	my @res;
311		438
312	(async {	439	(async {
		440	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	441	@res = eval { $job->() };
314	warn $@ if $@;	442	warn $@ if $@;
315	undef $busy;	443	undef $busy;
316	})->prio (Coro::PRIO_MAX);	444	})->prio (Coro::PRIO_MAX);
317		445
318	while ($busy) {	446	while ($busy) {
319	Coro::cede or Event::one_event;	447	Coro::cede or Event::one_event;
320	}	448	}
		449
		450	$time = Event::time - $time;
		451
		452	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		454
		455	$tick_start += $time; # do not account sync jobs to server load
321		456
322	wantarray ? @res : $res[0]	457	wantarray ? @res : $res[0]
323	} else {	458	} else {
324	# we are in another coroutine, how wonderful, everything just works	459	# we are in another coroutine, how wonderful, everything just works
325		460
…		…
345	$EXT_CORO{$coro+0} = $coro;	480	$EXT_CORO{$coro+0} = $coro;
346		481
347	$coro	482	$coro
348	}	483	}
349		484
350	sub write_runtime {	485	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		486
353	my $runtime = cf::localdir . "/runtime";	487	Executes the given code block with the given arguments in a seperate
		488	process, returning the results. Everything must be serialisable with
		489	Coro::Storable. May, of course, block. Note that the executed sub may
		490	never block itself or use any form of Event handling.
354		491
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	492	=cut
356	or return;
357		493
358	my $value = $cf::RUNTIME + 90 + 10;	494	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	495	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		496
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	497	# we seemingly have to make a local copy of the whole thing,
363	and return;	498	# otherwise perl prematurely frees the stuff :/
		499	# TODO: investigate and fix (likely this will be rather laborious)
364		500
365	# always fsync - this file is important	501	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	502	reset_signals;
367	and return;	503	&$cb
		504	}, @args;
368		505
369	close $fh	506	wantarray ? @res : $res[-1]
370	or return;	507	}
371		508
372	aio_rename "$runtime~", $runtime	509	=item $value = cf::db_get $family => $key
373	and return;
374		510
		511	Returns a single value from the environment database.
		512
		513	=item cf::db_put $family => $key => $value
		514
		515	Stores the given C<$value> in the family. It can currently store binary
		516	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		517
		518	=item $db = cf::db_table "name"
		519
		520	Create and/or open a new database table. The string must not be "db" and must be unique
		521	within each server.
		522
		523	=cut
		524
		525	sub db_table($) {
		526	my ($name) = @_;
		527	my $db = BDB::db_create $DB_ENV;
		528
		529	eval {
		530	$db->set_flags (BDB::CHKSUM);
		531
		532	utf8::encode $name;
		533	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		534	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		535	cf::cleanup "db_open(db): $!" if $!;
		536	};
		537	cf::cleanup "db_open(db): $@" if $@;
		538
		539	$db
		540	}
		541
		542	our $DB;
		543
		544	sub db_init {
		545	cf::sync_job {
		546	$DB ||= db_table "db";
		547	};
		548	}
		549
		550	sub db_get($$) {
		551	my $key = "$_[0]/$_[1]";
		552
		553	cf::sync_job {
		554	BDB::db_get $DB, undef, $key, my $data;
		555
		556	$! ? ()
		557	: $data
375	1	558	}
		559	}
		560
		561	sub db_put($$$) {
		562	BDB::dbreq_pri 4;
		563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		564	}
		565
		566	=item cf::cache $id => [$paths...], $processversion => $process
		567
		568	Generic caching function that returns the value of the resource $id,
		569	caching and regenerating as required.
		570
		571	This function can block.
		572
		573	=cut
		574
		575	sub cache {
		576	my ($id, $src, $processversion, $process) = @_;
		577
		578	my $meta =
		579	join "\x00",
		580	$processversion,
		581	map {
		582	aio_stat $_
		583	and Carp::croak "$_: $!";
		584
		585	($_, (stat _)[7,9])
		586	} @$src;
		587
		588	my $dbmeta = db_get cache => "$id/meta";
		589	if ($dbmeta ne $meta) {
		590	# changed, we may need to process
		591
		592	my @data;
		593	my $md5;
		594
		595	for (0 .. $#$src) {
		596	0 <= aio_load $src->[$_], $data[$_]
		597	or Carp::croak "$src->[$_]: $!";
		598	}
		599
		600	# if processing is expensive, check
		601	# checksum first
		602	if (1) {
		603	$md5 =
		604	join "\x00",
		605	$processversion,
		606	map {
		607	cf::cede_to_tick;
		608	($src->[$_], Digest::MD5::md5_hex $data[$_])
		609	} 0.. $#$src;
		610
		611
		612	my $dbmd5 = db_get cache => "$id/md5";
		613	if ($dbmd5 eq $md5) {
		614	db_put cache => "$id/meta", $meta;
		615
		616	return db_get cache => "$id/data";
		617	}
		618	}
		619
		620	my $t1 = Time::HiRes::time;
		621	my $data = $process->(\@data);
		622	my $t2 = Time::HiRes::time;
		623
		624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		625
		626	db_put cache => "$id/data", $data;
		627	db_put cache => "$id/md5" , $md5;
		628	db_put cache => "$id/meta", $meta;
		629
		630	return $data;
		631	}
		632
		633	db_get cache => "$id/data"
376	}	634	}
377		635
378	=item cf::datalog type => key => value, ...	636	=item cf::datalog type => key => value, ...
379		637
380	Log a datalog packet of the given type with the given key-value pairs.	638	Log a datalog packet of the given type with the given key-value pairs.
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	656	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	657	to it. All such attachable objects support the following methods.
400		658
401	In the following description, CLASS can be any of C<global>, C<object>	659	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	660	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	661	Crossfire TRT).
404		662
405	=over 4	663	=over 4
406		664
407	=item $attachable->attach ($attachment, key => $value...)	665	=item $attachable->attach ($attachment, key => $value...)
408		666
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	829	$registry = $CB_TYPE[$object_type] ||= [];
572		830
573	} elsif ($type eq "subtype") {	831	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	832	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	833	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	834	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		835
578	} elsif ($type eq "package") {	836	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	837	my $pkg = shift @arg;
580		838
581	while (my ($name, $id) = each %cb_id) {	839	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	868	_attach $registry, $klass, @attach;
611	}	869	}
612		870
613	$obj->{$name} = \%arg;	871	$obj->{$name} = \%arg;
614	} else {	872	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	873	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	874	}
617		875
618	$obj->{_attachment}{$name} = undef;	876	$obj->{_attachment}{$name} = undef;
619	}	877	}
620		878
…		…
622	if (ref $_[0]) {	880	if (ref $_[0]) {
623	_object_attach @_;	881	_object_attach @_;
624	} else {	882	} else {
625	_attach shift->_attach_registry, @_;	883	_attach shift->_attach_registry, @_;
626	}	884	}
		885	_recalc_want;
627	};	886	};
628		887
629	# all those should be optimised	888	# all those should be optimised
630	sub cf::attachable::detach {	889	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	890	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	893	delete $obj->{_attachment}{$name};
635	reattach ($obj);	894	reattach ($obj);
636	} else {	895	} else {
637	Carp::croak "cannot, currently, detach class attachments";	896	Carp::croak "cannot, currently, detach class attachments";
638	}	897	}
		898	_recalc_want;
639	};	899	};
640		900
641	sub cf::attachable::attached {	901	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	902	my ($obj, $name) = @_;
643		903
…		…
658	";	918	";
659	die if $@;	919	die if $@;
660	}	920	}
661		921
662	our $override;	922	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	923	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		924
665	sub override {	925	sub override {
666	$override = 1;	926	$override = 1;
667	@invoke_results = ();	927	@INVOKE_RESULTS = (@_);
668	}	928	}
669		929
670	sub do_invoke {	930	sub do_invoke {
671	my $event = shift;	931	my $event = shift;
672	my $callbacks = shift;	932	my $callbacks = shift;
673		933
674	@invoke_results = ();	934	@INVOKE_RESULTS = ();
675		935
676	local $override;	936	local $override;
677		937
678	for (@$callbacks) {	938	for (@$callbacks) {
679	eval { &{$_->[1]} };	939	eval { &{$_->[1]} };
…		…
696		956
697	Generate an object-specific event with the given arguments.	957	Generate an object-specific event with the given arguments.
698		958
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	959	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	960	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	961	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		962
703	=back	963	=back
704		964
705	=cut	965	=cut
706		966
707	#############################################################################	967	#############################################################################
708	# object support	968	# object support
		969	#
		970
		971	sub _can_merge {
		972	my ($ob1, $ob2) = @_;
		973
		974	local $Storable::canonical = 1;
		975	my $fob1 = Storable::freeze $ob1;
		976	my $fob2 = Storable::freeze $ob2;
		977
		978	$fob1 eq $fob2
		979	}
709		980
710	sub reattach {	981	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	982	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	983	my ($obj) = @_;
713		984
…		…
760	sub object_freezer_save {	1031	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1032	my ($filename, $rdata, $objs) = @_;
762		1033
763	sync_job {	1034	sync_job {
764	if (length $$rdata) {	1035	if (length $$rdata) {
		1036	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1037	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1038	$decname, length $$rdata, scalar @$objs;
767		1039
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1041	chmod SAVE_MODE, $fh;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1043	aio_fsync $fh if $cf::USE_FSYNC;
…		…
790	}	1062	}
791	} else {	1063	} else {
792	aio_unlink $filename;	1064	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
794	}	1066	}
795	}	1067	};
796	}	1068	}
797		1069
798	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
800		1072
…		…
812	or return;	1084	or return;
813		1085
814	unless (aio_stat "$filename.pst") {	1086	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1087	(aio_load "$filename.pst", $av) >= 0
816	or return;	1088	or return;
		1089
817	$av = eval { (Storable::thaw $av)->{objs} };	1090	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1091	}
819		1092
		1093	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1094	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1095	$decname, length $data, scalar @{$av || []};
		1096
822	return ($data, $av);	1097	($data, $av)
823	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
824		1105
825	#############################################################################	1106	#############################################################################
826	# command handling &c	1107	# command handling &c
827		1108
828	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1123	}
843		1124
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1126
846	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
847		1132
848	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
849	called.	1134	called.
850		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
851	=cut	1147	=cut
852		1148
853	sub register_extcmd {	1149	sub register_extcmd {
854	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
855		1151
856	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
857	}	1159	}
858		1160
859	cf::player->attach (	1161	cf::player->attach (
860	on_command => sub {	1162	on_command => sub {
861	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1172	cf::override;
871	},	1173	},
872	on_extcmd => sub {	1174	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
874		1176
875	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1178
877	if (ref $msg) {	1179	if (ref $msg) {
		1180	my ($type, $reply, @payload) =
		1181	"ARRAY" eq ref $msg
		1182	? @$msg
		1183	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1184
		1185	my @reply;
		1186
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1187	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1188	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1189	}
		1190
		1191	$pl->ext_reply ($reply, @reply)
		1192	if $reply;
		1193
883	} else {	1194	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1196	}
886		1197
887	cf::override;	1198	cf::override;
888	},	1199	},
889	);	1200	);
890		1201
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1202	sub load_extensions {
		1203	cf::sync_job {
		1204	my %todo;
		1205
926	for my $ext (<$LIBDIR/*.ext>) {	1206	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1207	next unless -r $path;
928	eval {	1208
929	load_extension $ext;	1209	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1210	my $base = $1;
		1211	my $pkg = $1;
		1212	$pkg =~ s/[^[:word:]]/_/g;
		1213	$pkg = "ext::$pkg";
		1214
		1215	open my $fh, "<:utf8", $path
		1216	or die "$path: $!";
		1217
		1218	my $source = do { local $/; <$fh> };
		1219
		1220	my %ext = (
		1221	path => $path,
		1222	base => $base,
		1223	pkg => $pkg,
		1224	);
		1225
		1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1228
		1229	$ext{source} =
		1230	"package $pkg; use strict; use utf8;\n"
		1231	. "#line 1 \"$path\"\n{\n"
		1232	. $source
		1233	. "\n};\n1";
		1234
		1235	$todo{$base} = \%ext;
		1236	}
		1237
		1238	my %done;
		1239	while (%todo) {
		1240	my $progress;
		1241
		1242	while (my ($k, $v) = each %todo) {
		1243	for (split /,\s*/, $v->{meta}{depends}) {
		1244	goto skip
		1245	unless exists $done{$_};
		1246	}
		1247
		1248	warn "... loading '$k' into '$v->{pkg}'\n";
		1249
		1250	unless (eval $v->{source}) {
		1251	my $msg = $@ ? "$v->{path}: $@\n"
		1252	: "$v->{base}: extension inactive.\n";
		1253
		1254	if (exists $v->{meta}{mandatory}) {
		1255	warn $msg;
		1256	warn "mandatory extension failed to load, exiting.\n";
		1257	exit 1;
		1258	}
		1259
		1260	warn $msg;
		1261	}
		1262
		1263	$done{$k} = delete $todo{$k};
		1264	push @EXTS, $v->{pkg};
		1265	$progress = 1;
930	1	1266	}
931	} or warn "$ext not loaded: $@";	1267
		1268	skip:
		1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1270	unless $progress;
		1271	}
932	}	1272	};
933	}	1273	}
934		1274
935	#############################################################################	1275	#############################################################################
936		1276
		1277	=back
		1278
937	=head2 CORE EXTENSIONS	1279	=head2 CORE EXTENSIONS
938		1280
939	Functions and methods that extend core crossfire objects.	1281	Functions and methods that extend core crossfire objects.
940		1282
941	=cut	1283	=cut
…		…
946		1288
947	=head3 cf::player	1289	=head3 cf::player
948		1290
949	=over 4	1291	=over 4
950		1292
		1293	=item cf::player::num_playing
		1294
		1295	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1296
		1297	=cut
		1298
		1299	sub num_playing {
		1300	scalar grep
		1301	$_->ob->map
		1302	&& !$_->hidden
		1303	&& !$_->ob->flag (cf::FLAG_WIZ),
		1304	cf::player::list
		1305	}
		1306
951	=item cf::player::find $login	1307	=item cf::player::find $login
952		1308
953	Returns the given player object, loading it if necessary (might block).	1309	Returns the given player object, loading it if necessary (might block).
954		1310
955	=cut	1311	=cut
956		1312
957	sub playerdir($) {	1313	sub playerdir($) {
958	cf::localdir	1314	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1315	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1316	}
964		1317
965	sub path($) {	1318	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1319	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1320
968	(playerdir $login) . "/$login.pl"	1321	(playerdir $login) . "/playerdata"
969	}	1322	}
970		1323
971	sub find_active($) {	1324	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1325	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1326	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1339	my $login = $_[0];
987		1340
988	my $guard = cf::lock_acquire "user_find:$login";	1341	my $guard = cf::lock_acquire "user_find:$login";
989		1342
990	$cf::PLAYER{$_[0]} || do {	1343	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1344	# rename old playerfiles to new ones
		1345	#TODO: remove when no longer required
		1346	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1347	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1348	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1349	aio_unlink +(playerdir $login) . "/$login.pl";
		1350
		1351	my $f = new_from_file cf::object::thawer path $login
992	or return;	1352	or return;
		1353
		1354	my $pl = cf::player::load_pl $f
		1355	or return;
		1356	local $cf::PLAYER_LOADING{$login} = $pl;
		1357	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1358	$cf::PLAYER{$login} = $pl
994	}	1359	}
995	}	1360	}
996	}	1361	}
997		1362
…		…
1007		1372
1008	aio_mkdir playerdir $pl, 0770;	1373	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1374	$pl->{last_save} = $cf::RUNTIME;
1010		1375
1011	$pl->save_pl ($path);	1376	$pl->save_pl ($path);
1012	Coro::cede;	1377	cf::cede_to_tick;
1013	}	1378	}
1014		1379
1015	sub new($) {	1380	sub new($) {
1016	my ($login) = @_;	1381	my ($login) = @_;
1017		1382
…		…
1021	$self->{deny_save} = 1;	1386	$self->{deny_save} = 1;
1022		1387
1023	$cf::PLAYER{$login} = $self;	1388	$cf::PLAYER{$login} = $self;
1024		1389
1025	$self	1390	$self
		1391	}
		1392
		1393	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1394
		1395	=cut
		1396
		1397	sub send_msg {
		1398	my $ns = shift->ns
		1399	or return;
		1400	$ns->send_msg (@_);
1026	}	1401	}
1027		1402
1028	=item $pl->quit_character	1403	=item $pl->quit_character
1029		1404
1030	Nukes the player without looking back. If logged in, the connection will	1405	Nukes the player without looking back. If logged in, the connection will
…		…
1079	while and may block, so not sync_job-capable, ever.	1454	while and may block, so not sync_job-capable, ever.
1080		1455
1081	=cut	1456	=cut
1082		1457
1083	sub list_logins {	1458	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1459	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1460	or return [];
1086		1461
1087	my @logins;	1462	my @logins;
1088		1463
1089	for my $login (@$dirs) {	1464	for my $login (@$dirs) {
		1465	my $path = path $login;
		1466
		1467	# a .pst is a dead give-away for a valid player
		1468	unless (-e "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1470	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1471	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1472	}
1093		1473
1094	utf8::decode $login;	1474	utf8::decode $login;
1095	push @logins, $login;	1475	push @logins, $login;
1096	}	1476	}
1097		1477
…		…
1124	}	1504	}
1125		1505
1126	\@paths	1506	\@paths
1127	}	1507	}
1128		1508
		1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1510
		1511	Expand crossfire pod fragments into protocol xml.
		1512
		1513	=cut
		1514
		1515	sub expand_cfpod {
		1516	((my $self), (local $_)) = @_;
		1517
		1518	# escape & and <
		1519	s/&/&amp;/g;
		1520	s/(?<![BIUGHT])</&lt;/g;
		1521
		1522	# this is buggy, it needs to properly take care of nested <'s
		1523
		1524	1 while
		1525	# replace B<>, I<>, U<> etc.
		1526	s/B<([^\>]*)>/<b>$1<\/b>/
		1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1530	# replace G<male|female> tags
		1531	|| s{G<([^>|]*)\|([^>]*)>}{
		1532	$self->gender ? $2 : $1
		1533	}ge
		1534	# replace H<hint text>
		1535	|| s{H<([^\>]*)>}
		1536	{
		1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1539	"")
		1540	[$self->{hintmode}]
		1541	}ge;
		1542
		1543	# create single paragraphs (very hackish)
		1544	s/(?<=\S)\n(?=\w)/ /g;
		1545
		1546	# compress some whitespace
		1547	s/\s+\n/\n/g; # ws line-ends
		1548	s/\n\n+/\n/g; # double lines
		1549	s/^\n+//; # beginning lines
		1550	s/\n+$//; # ending lines
		1551
		1552	$_
		1553	}
		1554
		1555	sub hintmode {
		1556	$_[0]{hintmode} = $_[1] if @_ > 1;
		1557	$_[0]{hintmode}
		1558	}
		1559
1129	=item $player->ext_reply ($msgid, %msg)	1560	=item $player->ext_reply ($msgid, @msg)
1130		1561
1131	Sends an ext reply to the player.	1562	Sends an ext reply to the player.
1132		1563
1133	=cut	1564	=cut
1134		1565
1135	sub ext_reply($$%) {	1566	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1567	my ($self, $id, @msg) = @_;
1137		1568
1138	$msg{msgid} = $id;	1569	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1570	}
1142		1571
1143	=item $player->ext_event ($type, %msg)	1572	=item $player->ext_msg ($type, @msg)
1144		1573
1145	Sends an ext event to the client.	1574	Sends an ext event to the client.
1146		1575
1147	=cut	1576	=cut
1148		1577
1149	sub ext_event($$%) {	1578	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1579	my ($self, $type, @msg) = @_;
1151		1580
1152	$self->ns->ext_event ($type, %msg);	1581	$self->ns->ext_msg ($type, @msg);
1153	}	1582	}
1154		1583
1155	package cf;	1584	=head3 cf::region
		1585
		1586	=over 4
		1587
		1588	=cut
		1589
		1590	package cf::region;
		1591
		1592	=item cf::region::find_by_path $path
		1593
		1594	Tries to decuce the likely region for a map knowing only its path.
		1595
		1596	=cut
		1597
		1598	sub find_by_path($) {
		1599	my ($path) = @_;
		1600
		1601	my ($match, $specificity);
		1602
		1603	for my $region (list) {
		1604	if ($region->{match} && $path =~ $region->{match}) {
		1605	($match, $specificity) = ($region, $region->specificity)
		1606	if $region->specificity > $specificity;
		1607	}
		1608	}
		1609
		1610	$match
		1611	}
1156		1612
1157	=back	1613	=back
1158
1159		1614
1160	=head3 cf::map	1615	=head3 cf::map
1161		1616
1162	=over 4	1617	=over 4
1163		1618
…		…
1218	my ($self, $merge) = @_;	1673	my ($self, $merge) = @_;
1219		1674
1220	# we have to keep some variables in memory intact	1675	# we have to keep some variables in memory intact
1221	local $self->{path};	1676	local $self->{path};
1222	local $self->{load_path};	1677	local $self->{load_path};
1223	local $self->{deny_save};
1224	local $self->{deny_reset};
1225		1678
1226	$self->SUPER::thawer_merge ($merge);	1679	$self->SUPER::thawer_merge ($merge);
1227	}	1680	}
1228		1681
1229	sub normalise {	1682	sub normalise {
…		…
1276	$self->init; # pass $1 etc.	1729	$self->init; # pass $1 etc.
1277	return $self;	1730	return $self;
1278	}	1731	}
1279	}	1732	}
1280		1733
1281	Carp::carp "unable to resolve path '$path' (base '$base').";	1734	Carp::cluck "unable to resolve path '$path' (base '$base').";
1282	()	1735	()
1283	}	1736	}
1284		1737
1285	sub init {	1738	sub init {
1286	my ($self) = @_;	1739	my ($self) = @_;
…		…
1301		1754
1302	# the original (read-only) location	1755	# the original (read-only) location
1303	sub load_path {	1756	sub load_path {
1304	my ($self) = @_;	1757	my ($self) = @_;
1305		1758
1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1759	"$MAPDIR/$self->{path}.map"
1307	}	1760	}
1308		1761
1309	# the temporary/swap location	1762	# the temporary/swap location
1310	sub save_path {	1763	sub save_path {
1311	my ($self) = @_;	1764	my ($self) = @_;
1312		1765
1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1766	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1767	"$TMPDIR/$path.map"
1315	}	1768	}
1316		1769
1317	# the unique path, undef == no special unique path	1770	# the unique path, undef == no special unique path
1318	sub uniq_path {	1771	sub uniq_path {
1319	my ($self) = @_;	1772	my ($self) = @_;
1320		1773
1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1774	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1775	"$UNIQUEDIR/$path"
1323	}	1776	}
1324		1777
1325	# and all this just because we cannot iterate over	1778	# and all this just because we cannot iterate over
1326	# all maps in C++...	1779	# all maps in C++...
1327	sub change_all_map_light {	1780	sub change_all_map_light {
…		…
1329		1782
1330	$_->change_map_light ($change)	1783	$_->change_map_light ($change)
1331	for grep $_->outdoor, values %cf::MAP;	1784	for grep $_->outdoor, values %cf::MAP;
1332	}	1785	}
1333		1786
		1787	sub decay_objects {
		1788	my ($self) = @_;
		1789
		1790	return if $self->{deny_reset};
		1791
		1792	$self->do_decay_objects;
		1793	}
		1794
1334	sub unlink_save {	1795	sub unlink_save {
1335	my ($self) = @_;	1796	my ($self) = @_;
1336		1797
1337	utf8::encode (my $save = $self->save_path);	1798	utf8::encode (my $save = $self->save_path);
1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1799	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1341		1802
1342	sub load_header_from($) {	1803	sub load_header_from($) {
1343	my ($self, $path) = @_;	1804	my ($self, $path) = @_;
1344		1805
1345	utf8::encode $path;	1806	utf8::encode $path;
1346	#aio_open $path, O_RDONLY, 0	1807	my $f = new_from_file cf::object::thawer $path
1347	# or return;
1348
1349	$self->_load_header ($path)
1350	or return;	1808	or return;
		1809
		1810	$self->_load_header ($f)
		1811	or return;
		1812
		1813	local $MAP_LOADING{$self->{path}} = $self;
		1814	$f->resolve_delayed_derefs;
1351		1815
1352	$self->{load_path} = $path;	1816	$self->{load_path} = $path;
1353		1817
1354	1	1818	1
1355	}	1819	}
…		…
1394	$self->load_header_orig	1858	$self->load_header_orig
1395	or return;	1859	or return;
1396	$self->prepare_orig;	1860	$self->prepare_orig;
1397	}	1861	}
1398		1862
		1863	$self->{deny_reset} = 1
		1864	if $self->no_reset;
		1865
		1866	$self->default_region (cf::region::find_by_path $self->{path})
		1867	unless $self->default_region;
		1868
1399	1	1869	1
1400	}	1870	}
1401		1871
1402	sub find;	1872	sub find;
1403	sub find {	1873	sub find {
1404	my ($path, $origin) = @_;	1874	my ($path, $origin) = @_;
1405		1875
1406	$path = normalise $path, $origin && $origin->path;	1876	$path = normalise $path, $origin && $origin->path;
1407		1877
		1878	cf::lock_wait "map_data:$path";#d#remove
1408	cf::lock_wait "map_find:$path";	1879	cf::lock_wait "map_find:$path";
1409		1880
1410	$cf::MAP{$path} || do {	1881	$cf::MAP{$path} || do {
1411	my $guard = cf::lock_acquire "map_find:$path";	1882	my $guard1 = cf::lock_acquire "map_find:$path";
		1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1884
1412	my $map = new_from_path cf::map $path	1885	my $map = new_from_path cf::map $path
1413	or return;	1886	or return;
1414		1887
1415	$map->{last_save} = $cf::RUNTIME;	1888	$map->{last_save} = $cf::RUNTIME;
1416		1889
1417	$map->load_header	1890	$map->load_header
1418	or return;	1891	or return;
1419		1892
1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421	# doing this can freeze the server in a sync job, obviously	1894	# doing this can freeze the server in a sync job, obviously
1422	#$cf::WAIT_FOR_TICK->wait;	1895	#$cf::WAIT_FOR_TICK->wait;
		1896	undef $guard1;
		1897	undef $guard2;
1423	$map->reset;	1898	$map->reset;
1424	undef $guard;
1425	return find $path;	1899	return find $path;
1426	}	1900	}
1427		1901
1428	$cf::MAP{$path} = $map	1902	$cf::MAP{$path} = $map
1429	}	1903	}
…		…
1436	my ($self) = @_;	1910	my ($self) = @_;
1437		1911
1438	local $self->{deny_reset} = 1; # loading can take a long time	1912	local $self->{deny_reset} = 1; # loading can take a long time
1439		1913
1440	my $path = $self->{path};	1914	my $path = $self->{path};
		1915
		1916	{
1441	my $guard = cf::lock_acquire "map_load:$path";	1917	my $guard = cf::lock_acquire "map_data:$path";
1442		1918
		1919	return unless $self->valid;
1443	return if $self->in_memory != cf::MAP_SWAPPED;	1920	return unless $self->in_memory == cf::MAP_SWAPPED;
1444		1921
1445	$self->in_memory (cf::MAP_LOADING);	1922	$self->in_memory (cf::MAP_LOADING);
1446		1923
1447	$self->alloc;	1924	$self->alloc;
1448		1925
1449	$self->pre_load;	1926	$self->pre_load;
		1927	cf::cede_to_tick;
1450		1928
1451	$self->_load_objects ($self->{load_path}, 1)	1929	my $f = new_from_file cf::object::thawer $self->{load_path};
		1930	$f->skip_block;
		1931	$self->_load_objects ($f)
1452	or return;	1932	or return;
1453		1933
1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1455	if delete $self->{load_original};	1935	if delete $self->{load_original};
1456		1936
1457	if (my $uniq = $self->uniq_path) {	1937	if (my $uniq = $self->uniq_path) {
1458	utf8::encode $uniq;	1938	utf8::encode $uniq;
1459	if (aio_open $uniq, O_RDONLY, 0) {	1939	unless (aio_stat $uniq) {
		1940	if (my $f = new_from_file cf::object::thawer $uniq) {
1460	$self->clear_unique_items;	1941	$self->clear_unique_items;
1461	$self->_load_objects ($uniq, 0);	1942	$self->_load_objects ($f);
		1943	$f->resolve_delayed_derefs;
		1944	}
1462	}	1945	}
1463	}	1946	}
1464		1947
1465	Coro::cede;	1948	$f->resolve_delayed_derefs;
1466		1949
		1950	cf::cede_to_tick;
1467	# now do the right thing for maps	1951	# now do the right thing for maps
1468	$self->link_multipart_objects;	1952	$self->link_multipart_objects;
1469
1470	unless ($self->{deny_activate}) {
1471	$self->decay_objects;
1472	$self->fix_auto_apply;
1473	$self->update_buttons;
1474	Coro::cede;
1475	$self->set_darkness_map;
1476	$self->difficulty ($self->estimate_difficulty)	1953	$self->difficulty ($self->estimate_difficulty)
1477	unless $self->difficulty;	1954	unless $self->difficulty;
1478	Coro::cede;	1955	cf::cede_to_tick;
		1956
		1957	unless ($self->{deny_activate}) {
		1958	$self->decay_objects;
		1959	$self->fix_auto_apply;
		1960	$self->update_buttons;
		1961	cf::cede_to_tick;
		1962	$self->set_darkness_map;
		1963	cf::cede_to_tick;
1479	$self->activate;	1964	$self->activate;
		1965	}
		1966
		1967	$self->{last_save} = $cf::RUNTIME;
		1968	$self->last_access ($cf::RUNTIME);
		1969
		1970	$self->in_memory (cf::MAP_IN_MEMORY);
1480	}	1971	}
1481		1972
1482	$self->post_load;	1973	$self->post_load;
1483
1484	$self->in_memory (cf::MAP_IN_MEMORY);
1485	}	1974	}
1486		1975
1487	sub customise_for {	1976	sub customise_for {
1488	my ($self, $ob) = @_;	1977	my ($self, $ob) = @_;
1489		1978
1490	return find "~" . $ob->name . "/" . $self->{path}	1979	return find "~" . $ob->name . "/" . $self->{path}
1491	if $self->per_player;	1980	if $self->per_player;
1492		1981
		1982	# return find "?party/" . $ob->name . "/" . $self->{path}
		1983	# if $self->per_party;
		1984
1493	$self	1985	$self
1494	}	1986	}
1495		1987
1496	# find and load all maps in the 3x3 area around a map	1988	# find and load all maps in the 3x3 area around a map
1497	sub load_diag {	1989	sub load_neighbours {
1498	my ($map) = @_;	1990	my ($map) = @_;
1499		1991
1500	my @diag; # diagonal neighbours	1992	my @neigh; # diagonal neighbours
1501		1993
1502	for (0 .. 3) {	1994	for (0 .. 3) {
1503	my $neigh = $map->tile_path ($_)	1995	my $neigh = $map->tile_path ($_)
1504	or next;	1996	or next;
1505	$neigh = find $neigh, $map	1997	$neigh = find $neigh, $map
1506	or next;	1998	or next;
1507	$neigh->load;	1999	$neigh->load;
1508		2000
		2001	push @neigh,
1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1511	}	2004	}
1512		2005
1513	for (@diag) {	2006	for (grep defined $_->[0], @neigh) {
		2007	my ($path, $origin) = @$_;
1514	my $neigh = find @$_	2008	my $neigh = find $path, $origin
1515	or next;	2009	or next;
1516	$neigh->load;	2010	$neigh->load;
1517	}	2011	}
1518	}	2012	}
1519		2013
…		…
1524	}	2018	}
1525		2019
1526	sub do_load_sync {	2020	sub do_load_sync {
1527	my ($map) = @_;	2021	my ($map) = @_;
1528		2022
		2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2024	if $Coro::current == $Coro::main;
		2025
1529	cf::sync_job { $map->load };	2026	cf::sync_job { $map->load };
1530	}	2027	}
1531		2028
1532	our %MAP_PREFETCH;	2029	our %MAP_PREFETCH;
1533	our $MAP_PREFETCHER = undef;	2030	our $MAP_PREFETCHER = undef;
1534		2031
1535	sub find_async {	2032	sub find_async {
1536	my ($path, $origin) = @_;	2033	my ($path, $origin, $load) = @_;
1537		2034
1538	$path = normalise $path, $origin && $origin->{path};	2035	$path = normalise $path, $origin && $origin->{path};
1539		2036
1540	if (my $map = $cf::MAP{$path}) {	2037	if (my $map = $cf::MAP{$path}) {
1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1542	}	2039	}
1543		2040
1544	undef $MAP_PREFETCH{$path};	2041	$MAP_PREFETCH{$path} |= $load;
		2042
1545	$MAP_PREFETCHER ||= cf::async {	2043	$MAP_PREFETCHER ||= cf::async {
		2044	$Coro::current->{desc} = "map prefetcher";
		2045
1546	while (%MAP_PREFETCH) {	2046	while (%MAP_PREFETCH) {
1547	for my $path (keys %MAP_PREFETCH) {	2047	while (my ($k, $v) = each %MAP_PREFETCH) {
1548	my $map = find $path	2048	if (my $map = find $k) {
1549	or next;
1550	$map->load;	2049	$map->load if $v;
		2050	}
1551		2051
1552	delete $MAP_PREFETCH{$path};	2052	delete $MAP_PREFETCH{$k};
1553	}	2053	}
1554	}	2054	}
1555	undef $MAP_PREFETCHER;	2055	undef $MAP_PREFETCHER;
1556	};	2056	};
1557	$MAP_PREFETCHER->prio (6);	2057	$MAP_PREFETCHER->prio (6);
…		…
1560	}	2060	}
1561		2061
1562	sub save {	2062	sub save {
1563	my ($self) = @_;	2063	my ($self) = @_;
1564		2064
1565	my $lock = cf::lock_acquire "map_data:" . $self->path;	2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
1566		2066
1567	$self->{last_save} = $cf::RUNTIME;	2067	$self->{last_save} = $cf::RUNTIME;
1568		2068
1569	return unless $self->dirty;	2069	return unless $self->dirty;
1570		2070
…		…
1576	return if $self->{deny_save};	2076	return if $self->{deny_save};
1577		2077
1578	local $self->{last_access} = $self->last_access;#d#	2078	local $self->{last_access} = $self->last_access;#d#
1579		2079
1580	cf::async {	2080	cf::async {
		2081	$Coro::current->{desc} = "map player save";
1581	$_->contr->save for $self->players;	2082	$_->contr->save for $self->players;
1582	};	2083	};
1583		2084
1584	if ($uniq) {	2085	if ($uniq) {
1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1593	my ($self) = @_;	2094	my ($self) = @_;
1594		2095
1595	# save first because save cedes	2096	# save first because save cedes
1596	$self->save;	2097	$self->save;
1597		2098
1598	my $lock = cf::lock_acquire "map_data:" . $self->path;	2099	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2100
1600	return if $self->players;	2101	return if $self->players;
1601	return if $self->in_memory != cf::MAP_IN_MEMORY;	2102	return if $self->in_memory != cf::MAP_IN_MEMORY;
1602	return if $self->{deny_save};	2103	return if $self->{deny_save};
1603		2104
		2105	$self->in_memory (cf::MAP_SWAPPED);
		2106
		2107	$self->deactivate;
		2108	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2109	$self->clear;
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	}	2110	}
1607		2111
1608	sub reset_at {	2112	sub reset_at {
1609	my ($self) = @_;	2113	my ($self) = @_;
1610		2114
1611	# TODO: safety, remove and allow resettable per-player maps	2115	# TODO: safety, remove and allow resettable per-player maps
1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1613	return 1e99 if $self->{deny_reset};	2116	return 1e99 if $self->{deny_reset};
1614		2117
1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2118	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2119	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617		2120
…		…
1628	my ($self) = @_;	2131	my ($self) = @_;
1629		2132
1630	my $lock = cf::lock_acquire "map_data:$self->{path}";	2133	my $lock = cf::lock_acquire "map_data:$self->{path}";
1631		2134
1632	return if $self->players;	2135	return if $self->players;
1633	return if $self->isa ("ext::map_per_player");#d#
1634		2136
1635	warn "resetting map ", $self->path;#d#	2137	warn "resetting map ", $self->path;
1636		2138
1637	$self->in_memory (cf::MAP_SWAPPED);	2139	$self->in_memory (cf::MAP_SWAPPED);
1638		2140
1639	# need to save uniques path	2141	# need to save uniques path
1640	unless ($self->{deny_save}) {	2142	unless ($self->{deny_save}) {
…		…
1644	if $uniq;	2146	if $uniq;
1645	}	2147	}
1646		2148
1647	delete $cf::MAP{$self->path};	2149	delete $cf::MAP{$self->path};
1648		2150
		2151	$self->deactivate;
		2152	$_->clear_links_to ($self) for values %cf::MAP;
1649	$self->clear;	2153	$self->clear;
1650
1651	$_->clear_links_to ($self) for values %cf::MAP;
1652		2154
1653	$self->unlink_save;	2155	$self->unlink_save;
1654	$self->destroy;	2156	$self->destroy;
1655	}	2157	}
1656		2158
1657	my $nuke_counter = "aaaa";	2159	my $nuke_counter = "aaaa";
1658		2160
1659	sub nuke {	2161	sub nuke {
1660	my ($self) = @_;	2162	my ($self) = @_;
1661		2163
		2164	{
		2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2166
1662	delete $cf::MAP{$self->path};	2167	delete $cf::MAP{$self->path};
1663		2168
1664	$self->unlink_save;	2169	$self->unlink_save;
1665		2170
1666	bless $self, "cf::map";	2171	bless $self, "cf::map";
1667	delete $self->{deny_reset};	2172	delete $self->{deny_reset};
1668	$self->{deny_save} = 1;	2173	$self->{deny_save} = 1;
1669	$self->reset_timeout (1);	2174	$self->reset_timeout (1);
1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671		2176
1672	$cf::MAP{$self->path} = $self;	2177	$cf::MAP{$self->path} = $self;
		2178	}
1673		2179
1674	$self->reset; # polite request, might not happen	2180	$self->reset; # polite request, might not happen
		2181	}
		2182
		2183	=item $maps = cf::map::tmp_maps
		2184
		2185	Returns an arrayref with all map paths of currently instantiated and saved
		2186	maps. May block.
		2187
		2188	=cut
		2189
		2190	sub tmp_maps() {
		2191	[
		2192	map {
		2193	utf8::decode $_;
		2194	/\.map$/
		2195	? normalise $_
		2196	: ()
		2197	} @{ aio_readdir $TMPDIR or [] }
		2198	]
		2199	}
		2200
		2201	=item $maps = cf::map::random_maps
		2202
		2203	Returns an arrayref with all map paths of currently instantiated and saved
		2204	random maps. May block.
		2205
		2206	=cut
		2207
		2208	sub random_maps() {
		2209	[
		2210	map {
		2211	utf8::decode $_;
		2212	/\.map$/
		2213	? normalise "?random/$_"
		2214	: ()
		2215	} @{ aio_readdir $RANDOMDIR or [] }
		2216	]
1675	}	2217	}
1676		2218
1677	=item cf::map::unique_maps	2219	=item cf::map::unique_maps
1678		2220
1679	Returns an arrayref of paths of all shared maps that have	2221	Returns an arrayref of paths of all shared maps that have
1680	instantiated unique items. May block.	2222	instantiated unique items. May block.
1681		2223
1682	=cut	2224	=cut
1683		2225
1684	sub unique_maps() {	2226	sub unique_maps() {
1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2227	[
1686	or return;	2228	map {
1687
1688	my @paths;
1689
1690	for (@$files) {
1691	utf8::decode $_;	2229	utf8::decode $_;
1692	next if /\.pst$/;	2230	/\.map$/
1693	next unless /^$PATH_SEP/o;	2231	? normalise $_
1694		2232	: ()
1695	push @paths, cf::map::normalise $_;	2233	} @{ aio_readdir $UNIQUEDIR or [] }
1696	}	2234	]
1697
1698	\@paths
1699	}	2235	}
1700		2236
1701	package cf;	2237	package cf;
1702		2238
1703	=back	2239	=back
…		…
1721	map { $_, inv_recursive_ $_->inv } @_	2257	map { $_, inv_recursive_ $_->inv } @_
1722	}	2258	}
1723		2259
1724	sub inv_recursive {	2260	sub inv_recursive {
1725	inv_recursive_ inv $_[0]	2261	inv_recursive_ inv $_[0]
		2262	}
		2263
		2264	=item $ref = $ob->ref
		2265
		2266	creates and returns a persistent reference to an objetc that can be stored as a string.
		2267
		2268	=item $ob = cf::object::deref ($refstring)
		2269
		2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2271	even if the object actually exists. May block.
		2272
		2273	=cut
		2274
		2275	sub deref {
		2276	my ($ref) = @_;
		2277
		2278	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2279	my ($uuid, $name) = ($1, $2);
		2280	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2281	or return;
		2282	$pl->ob->uuid eq $uuid
		2283	or return;
		2284
		2285	$pl->ob
		2286	} else {
		2287	warn "$ref: cannot resolve object reference\n";
		2288	undef
		2289	}
1726	}	2290	}
1727		2291
1728	package cf;	2292	package cf;
1729		2293
1730	=back	2294	=back
…		…
1749		2313
1750	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2314	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751		2315
1752	if ($self->{record_replies}) {	2316	if ($self->{record_replies}) {
1753	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2317	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2318
1754	} else {	2319	} else {
		2320	my $pl = $self->contr;
		2321
		2322	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2323	my $dialog = $pl->{npc_dialog};
		2324	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2325
		2326	} else {
1755	$msg = $npc->name . " says: $msg" if $npc;	2327	$msg = $npc->name . " says: $msg" if $npc;
1756	$self->message ($msg, $flags);	2328	$self->message ($msg, $flags);
		2329	}
1757	}	2330	}
		2331	}
		2332
		2333	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2334
		2335	=cut
		2336
		2337	sub cf::object::send_msg {
		2338	my $pl = shift->contr
		2339	or return;
		2340	$pl->send_msg (@_);
1758	}	2341	}
1759		2342
1760	=item $player_object->may ("access")	2343	=item $player_object->may ("access")
1761		2344
1762	Returns wether the given player is authorized to access resource "access"	2345	Returns wether the given player is authorized to access resource "access"
…		…
1809	$self->deactivate_recursive;	2392	$self->deactivate_recursive;
1810		2393
1811	return if UNIVERSAL::isa $self->map, "ext::map_link";	2394	return if UNIVERSAL::isa $self->map, "ext::map_link";
1812		2395
1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2396	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814	if $self->map;	2397	if $self->map && $self->map->{path} ne "{link}";
1815		2398
1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2399	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1817	}	2400	}
1818		2401
1819	sub cf::object::player::leave_link {	2402	sub cf::object::player::leave_link {
1820	my ($self, $map, $x, $y) = @_;	2403	my ($self, $map, $x, $y) = @_;
		2404
		2405	return unless $self->contr->active;
1821		2406
1822	my $link_pos = delete $self->{_link_pos};	2407	my $link_pos = delete $self->{_link_pos};
1823		2408
1824	unless ($map) {	2409	unless ($map) {
1825	# restore original map position	2410	# restore original map position
…		…
1839	# use -1 or undef as default coordinates, not 0, 0	2424	# use -1 or undef as default coordinates, not 0, 0
1840	($x, $y) = ($map->enter_x, $map->enter_y)	2425	($x, $y) = ($map->enter_x, $map->enter_y)
1841	if $x <=0 && $y <= 0;	2426	if $x <=0 && $y <= 0;
1842		2427
1843	$map->load;	2428	$map->load;
1844	$map->load_diag;	2429	$map->load_neighbours;
1845		2430
1846	return unless $self->contr->active;	2431	return unless $self->contr->active;
1847	$self->activate_recursive;	2432	$self->activate_recursive;
1848		2433
1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2434	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850	$self->enter_map ($map, $x, $y);	2435	$self->enter_map ($map, $x, $y);
1851	}	2436	}
1852		2437
1853	cf::player->attach (	2438	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1854	on_logout => sub {
1855	my ($pl) = @_;
1856		2439
1857	# abort map switching before logout	2440	Moves the player to the given map-path and coordinates by first freezing
1858	if ($pl->ob->{_link_pos}) {	2441	her, loading and preparing them map, calling the provided $check callback
1859	cf::sync_job {	2442	that has to return the map if sucecssful, and then unfreezes the player on
1860	$pl->ob->leave_link	2443	the new (success) or old (failed) map position. In either case, $done will
1861	};	2444	be called at the end of this process.
1862	}
1863	},
1864	on_login => sub {
1865	my ($pl) = @_;
1866		2445
1867	# try to abort aborted map switching on player login :)
1868	# should happen only on crashes
1869	if ($pl->ob->{_link_pos}) {
1870	$pl->ob->enter_link;
1871	(async {
1872	$pl->ob->reply (undef,
1873	"There was an internal problem at your last logout, "
1874	. "the server will try to bring you to your intended destination in a second.",
1875	cf::NDI_RED);
1876	# we need this sleep as the login has a concurrent enter_exit running
1877	# and this sleep increases chances of the player not ending up in scorn
1878	Coro::Timer::sleep 1;
1879	$pl->ob->leave_link;
1880	})->prio (2);
1881	}
1882	},
1883	);
1884
1885	=item $player_object->goto ($path, $x, $y)
1886
1887	=cut	2446	=cut
		2447
		2448	our $GOTOGEN;
1888		2449
1889	sub cf::object::player::goto {	2450	sub cf::object::player::goto {
1890	my ($self, $path, $x, $y) = @_;	2451	my ($self, $path, $x, $y, $check, $done) = @_;
		2452
		2453	# do generation counting so two concurrent goto's will be executed in-order
		2454	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1891		2455
1892	$self->enter_link;	2456	$self->enter_link;
1893		2457
1894	(async {	2458	(async {
		2459	$Coro::current->{desc} = "player::goto $path $x $y";
		2460
		2461	# *tag paths override both path and x|y
		2462	if ($path =~ /^\*(.*)$/) {
		2463	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2464	my $ob = $obs[rand @obs];
		2465
		2466	# see if we actually can go there
		2467	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2468	$ob = $obs[rand @obs];
		2469	} else {
		2470	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2471	}
		2472	# else put us there anyways for now #d#
		2473
		2474	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2475	} else {
		2476	($path, $x, $y) = (undef, undef, undef);
		2477	}
		2478	}
		2479
1895	my $map = eval {	2480	my $map = eval {
1896	my $map = cf::map::find $path;	2481	my $map = defined $path ? cf::map::find $path : undef;
		2482
		2483	if ($map) {
1897	$map = $map->customise_for ($self) if $map;	2484	$map = $map->customise_for ($self);
		2485	$map = $check->($map) if $check && $map;
		2486	} else {
		2487	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2488	}
		2489
1898	$map	2490	$map
		2491	};
		2492
		2493	if ($@) {
		2494	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2495	LOG llevError | logBacktrace, Carp::longmess $@;
1899	} or	2496	}
1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901		2497
		2498	if ($gen == $self->{_goto_generation}) {
		2499	delete $self->{_goto_generation};
1902	$self->leave_link ($map, $x, $y);	2500	$self->leave_link ($map, $x, $y);
		2501	}
		2502
		2503	$done->() if $done;
1903	})->prio (1);	2504	})->prio (1);
1904	}	2505	}
1905		2506
1906	=item $player_object->enter_exit ($exit_object)	2507	=item $player_object->enter_exit ($exit_object)
1907		2508
…		…
1946		2547
1947	$rmp->{random_seed} ||= $exit->random_seed;	2548	$rmp->{random_seed} ||= $exit->random_seed;
1948		2549
1949	my $data = cf::to_json $rmp;	2550	my $data = cf::to_json $rmp;
1950	my $md5 = Digest::MD5::md5_hex $data;	2551	my $md5 = Digest::MD5::md5_hex $data;
1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2552	my $meta = "$RANDOMDIR/$md5.meta";
1952		2553
1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2554	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954	aio_write $fh, 0, (length $data), $data, 0;	2555	aio_write $fh, 0, (length $data), $data, 0;
1955	undef $fh;	2556	undef $fh;
1956	aio_rename "$meta~", $meta;	2557	aio_rename "$meta~", $meta;
…		…
1965		2566
1966	return unless $self->type == cf::PLAYER;	2567	return unless $self->type == cf::PLAYER;
1967		2568
1968	if ($exit->slaying eq "/!") {	2569	if ($exit->slaying eq "/!") {
1969	#TODO: this should de-fi-ni-te-ly not be a sync-job	2570	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2571	# the problem is that $exit might not survive long enough
		2572	# so it needs to be done right now, right here
1970	cf::sync_job { prepare_random_map $exit };	2573	cf::sync_job { prepare_random_map $exit };
1971	}	2574	}
1972		2575
1973	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2576	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1974	my $hp = $exit->stats->hp;	2577	my $hp = $exit->stats->hp;
1975	my $sp = $exit->stats->sp;	2578	my $sp = $exit->stats->sp;
1976		2579
1977	$self->enter_link;	2580	$self->enter_link;
1978		2581
		2582	# if exit is damned, update players death & WoR home-position
		2583	$self->contr->savebed ($slaying, $hp, $sp)
		2584	if $exit->flag (FLAG_DAMNED);
		2585
1979	(async {	2586	(async {
		2587	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2588
1980	$self->deactivate_recursive; # just to be sure	2589	$self->deactivate_recursive; # just to be sure
1981	unless (eval {	2590	unless (eval {
1982	$self->goto ($slaying, $hp, $sp);	2591	$self->goto ($slaying, $hp, $sp);
1983		2592
1984	1;	2593	1;
1985	}) {	2594	}) {
1986	$self->message ("Something went wrong deep within the crossfire server. "	2595	$self->message ("Something went wrong deep within the crossfire server. "
1987	. "I'll try to bring you back to the map you were before. "	2596	. "I'll try to bring you back to the map you were before. "
1988	. "Please report this to the dungeon master!",	2597	. "Please report this to the dungeon master!",
1989	cf::NDI_UNIQUE | cf::NDI_RED);	2598	cf::NDI_UNIQUE | cf::NDI_RED);
1990		2599
1991	warn "ERROR in enter_exit: $@";	2600	warn "ERROR in enter_exit: $@";
1992	$self->leave_link;	2601	$self->leave_link;
1993	}	2602	}
1994	})->prio (1);	2603	})->prio (1);
…		…
2010		2619
2011	utf8::encode $text;	2620	utf8::encode $text;
2012	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2013	}	2622	}
2014		2623
		2624	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2625
		2626	Send a drawinfo or msg packet to the client, formatting the msg for the
		2627	client if neccessary. C<$type> should be a string identifying the type of
		2628	the message, with C<log> being the default. If C<$color> is negative, suppress
		2629	the message unless the client supports the msg packet.
		2630
		2631	=cut
		2632
		2633	our %CHANNEL = (
		2634	"c/identify" => {
		2635	id => "infobox",
		2636	title => "Identify",
		2637	reply => undef,
		2638	tooltip => "Items recently identified",
		2639	},
		2640	"c/examine" => {
		2641	id => "infobox",
		2642	title => "Examine",
		2643	reply => undef,
		2644	tooltip => "Signs and other items you examined",
		2645	},
		2646	"c/lookat" => {
		2647	id => "infobox",
		2648	title => "Look",
		2649	reply => undef,
		2650	tooltip => "What you saw there",
		2651	},
		2652	);
		2653
		2654	sub cf::client::send_msg {
		2655	my ($self, $channel, $msg, $color, @extra) = @_;
		2656
		2657	$msg = $self->pl->expand_cfpod ($msg);
		2658
		2659	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2660
		2661	# check predefined channels, for the benefit of C
		2662	if ($CHANNEL{$channel}) {
		2663	$channel = $CHANNEL{$channel};
		2664
		2665	$self->ext_msg (channel_info => $channel)
		2666	if $self->can_msg;
		2667
		2668	$channel = $channel->{id};
		2669
		2670	} elsif (ref $channel) {
		2671	# send meta info to client, if not yet sent
		2672	unless (exists $self->{channel}{$channel->{id}}) {
		2673	$self->{channel}{$channel->{id}} = $channel;
		2674	$self->ext_msg (channel_info => $channel)
		2675	if $self->can_msg;
		2676	}
		2677
		2678	$channel = $channel->{id};
		2679	}
		2680
		2681	return unless @extra || length $msg;
		2682
		2683	if ($self->can_msg) {
		2684	# default colour, mask it out
		2685	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2686	if $color & cf::NDI_DEF;
		2687
		2688	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2689	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2690	} else {
		2691	if ($color >= 0) {
		2692	# replace some tags by gcfclient-compatible ones
		2693	for ($msg) {
		2694	1 while
		2695	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2696	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2697	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2698	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2699	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2700	}
		2701
		2702	$color &= cf::NDI_COLOR_MASK;
		2703
		2704	utf8::encode $msg;
		2705
		2706	if (0 && $msg =~ /\[/) {
		2707	# COMMAND/INFO
		2708	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2709	} else {
		2710	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2711	$self->send_packet ("drawinfo $color $msg")
		2712	}
		2713	}
		2714	}
		2715	}
		2716
2015	=item $client->ext_event ($type, %msg)	2717	=item $client->ext_msg ($type, @msg)
2016		2718
2017	Sends an exti event to the client.	2719	Sends an ext event to the client.
2018		2720
2019	=cut	2721	=cut
2020		2722
2021	sub cf::client::ext_event($$%) {	2723	sub cf::client::ext_msg($$@) {
2022	my ($self, $type, %msg) = @_;	2724	my ($self, $type, @msg) = @_;
2023		2725
		2726	if ($self->extcmd == 2) {
		2727	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2728	} elsif ($self->extcmd == 1) { # TODO: remove
2024	$msg{msgtype} = "event_$type";	2729	push @msg, msgtype => "event_$type";
2025	$self->send_packet ("ext " . cf::to_json \%msg);	2730	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2731	}
		2732	}
		2733
		2734	=item $client->ext_reply ($msgid, @msg)
		2735
		2736	Sends an ext reply to the client.
		2737
		2738	=cut
		2739
		2740	sub cf::client::ext_reply($$@) {
		2741	my ($self, $id, @msg) = @_;
		2742
		2743	if ($self->extcmd == 2) {
		2744	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2745	} elsif ($self->extcmd == 1) {
		2746	#TODO: version 1, remove
		2747	unshift @msg, msgtype => "reply", msgid => $id;
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2749	}
2026	}	2750	}
2027		2751
2028	=item $success = $client->query ($flags, "text", \&cb)	2752	=item $success = $client->query ($flags, "text", \&cb)
2029		2753
2030	Queues a query to the client, calling the given callback with	2754	Queues a query to the client, calling the given callback with
2031	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2755	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2032	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2756	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2033		2757
2034	Queries can fail, so check the return code. Or don't, as queries will become	2758	Queries can fail, so check the return code. Or don't, as queries will
2035	reliable at some point in the future.	2759	become reliable at some point in the future.
2036		2760
2037	=cut	2761	=cut
2038		2762
2039	sub cf::client::query {	2763	sub cf::client::query {
2040	my ($self, $flags, $text, $cb) = @_;	2764	my ($self, $flags, $text, $cb) = @_;
…		…
2048	utf8::encode $text;	2772	utf8::encode $text;
2049	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2773	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2050		2774
2051	$self->send_packet ($self->{query_queue}[0][0])	2775	$self->send_packet ($self->{query_queue}[0][0])
2052	if @{ $self->{query_queue} } == 1;	2776	if @{ $self->{query_queue} } == 1;
		2777
		2778	1
2053	}	2779	}
2054		2780
2055	cf::client->attach (	2781	cf::client->attach (
		2782	on_connect => sub {
		2783	my ($ns) = @_;
		2784
		2785	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2786	},
2056	on_reply => sub {	2787	on_reply => sub {
2057	my ($ns, $msg) = @_;	2788	my ($ns, $msg) = @_;
2058		2789
2059	# this weird shuffling is so that direct followup queries	2790	# this weird shuffling is so that direct followup queries
2060	# get handled first	2791	# get handled first
…		…
2072	} else {	2803	} else {
2073	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2804	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2074	}	2805	}
2075	}	2806	}
2076	},	2807	},
		2808	on_exticmd => sub {
		2809	my ($ns, $buf) = @_;
		2810
		2811	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2812
		2813	if (ref $msg) {
		2814	my ($type, $reply, @payload) =
		2815	"ARRAY" eq ref $msg
		2816	? @$msg
		2817	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2818
		2819	my @reply;
		2820
		2821	if (my $cb = $EXTICMD{$type}) {
		2822	@reply = $cb->($ns, @payload);
		2823	}
		2824
		2825	$ns->ext_reply ($reply, @reply)
		2826	if $reply;
		2827
		2828	} else {
		2829	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2830	}
		2831
		2832	cf::override;
		2833	},
2077	);	2834	);
2078		2835
2079	=item $client->async (\&cb)	2836	=item $client->async (\&cb)
2080		2837
2081	Create a new coroutine, running the specified callback. The coroutine will	2838	Create a new coroutine, running the specified callback. The coroutine will
…		…
2122	our $safe = new Safe "safe";	2879	our $safe = new Safe "safe";
2123	our $safe_hole = new Safe::Hole;	2880	our $safe_hole = new Safe::Hole;
2124		2881
2125	$SIG{FPE} = 'IGNORE';	2882	$SIG{FPE} = 'IGNORE';
2126		2883
2127	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2884	$safe->permit_only (Opcode::opset qw(
		2885	:base_core :base_mem :base_orig :base_math
		2886	grepstart grepwhile mapstart mapwhile
		2887	sort time
		2888	));
2128		2889
2129	# here we export the classes and methods available to script code	2890	# here we export the classes and methods available to script code
2130		2891
2131	=pod	2892	=pod
2132		2893
2133	The following functions and methods are available within a safe environment:	2894	The following functions and methods are available within a safe environment:
2134		2895
2135	cf::object contr pay_amount pay_player map	2896	cf::object
		2897	contr pay_amount pay_player map x y force_find force_add
		2898	insert remove name archname title slaying race decrease_ob_nr
		2899
2136	cf::object::player player	2900	cf::object::player
2137	cf::player peaceful	2901	player
2138	cf::map trigger	2902
		2903	cf::player
		2904	peaceful
		2905
		2906	cf::map
		2907	trigger
2139		2908
2140	=cut	2909	=cut
2141		2910
2142	for (	2911	for (
2143	["cf::object" => qw(contr pay_amount pay_player map)],	2912	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2913	insert remove inv name archname title slaying race
		2914	decrease_ob_nr)],
2144	["cf::object::player" => qw(player)],	2915	["cf::object::player" => qw(player)],
2145	["cf::player" => qw(peaceful)],	2916	["cf::player" => qw(peaceful)],
2146	["cf::map" => qw(trigger)],	2917	["cf::map" => qw(trigger)],
2147	) {	2918	) {
2148	no strict 'refs';	2919	no strict 'refs';
…		…
2219	=back	2990	=back
2220		2991
2221	=cut	2992	=cut
2222		2993
2223	#############################################################################	2994	#############################################################################
2224
2225	=head2 EXTENSION DATABASE SUPPORT
2226
2227	Crossfire maintains a very simple database for extension use. It can
2228	currently store anything that can be serialised using Storable, which
2229	excludes objects.
2230
2231	The parameter C<$family> should best start with the name of the extension
2232	using it, it should be unique.
2233
2234	=over 4
2235
2236	=item $value = cf::db_get $family => $key
2237
2238	Returns a single value from the database.
2239
2240	=item cf::db_put $family => $key => $value
2241
2242	Stores the given C<$value> in the family.
2243
2244	=cut
2245
2246	our $DB;
2247
2248	sub db_init {
2249	unless ($DB) {
2250	$DB = BDB::db_create $DB_ENV;
2251
2252	cf::sync_job {
2253	eval {
2254	$DB->set_flags (BDB::CHKSUM);
2255
2256	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2257	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2258	cf::cleanup "db_open(db): $!" if $!;
2259	};
2260	cf::cleanup "db_open(db): $@" if $@;
2261	};
2262
2263	my $path = cf::localdir . "/database.pst";
2264	if (stat $path) {
2265	cf::sync_job {
2266	my $pst = Storable::retrieve $path;
2267
2268	cf::db_put (board => data => $pst->{board});
2269	cf::db_put (guildrules => data => $pst->{guildrules});
2270	cf::db_put (rent => balance => $pst->{rent}{balance});
2271	BDB::db_env_txn_checkpoint $DB_ENV;
2272
2273	unlink $path;
2274	};
2275	}
2276	}
2277	}
2278
2279	sub db_get($$) {
2280	my $key = "$_[0]/$_[1]";
2281
2282	cf::sync_job {
2283	BDB::db_get $DB, undef, $key, my $data;
2284
2285	$! ? ()
2286	: Compress::LZF::sthaw $data
2287	}
2288	}
2289
2290	sub db_put($$$) {
2291	BDB::dbreq_pri 4;
2292	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2293	}
2294
2295	#############################################################################
2296	# the server's init and main functions	2995	# the server's init and main functions
2297		2996
2298	sub load_facedata {	2997	sub load_facedata($) {
2299	my $path = sprintf "%s/facedata", cf::datadir;	2998	my ($path) = @_;
		2999
		3000	# HACK to clear player env face cache, we need some signal framework
		3001	# for this (global event?)
		3002	%ext::player_env::MUSIC_FACE_CACHE = ();
		3003
		3004	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2300		3005
2301	warn "loading facedata from $path\n";	3006	warn "loading facedata from $path\n";
2302		3007
2303	my $faces;	3008	my $facedata;
2304	0 < aio_load $path, $faces	3009	0 < aio_load $path, $facedata
2305	or die "$path: $!";	3010	or die "$path: $!";
2306		3011
2307	Coro::cede;
2308	$faces = Storable::thaw $faces;	3012	$facedata = Coro::Storable::thaw $facedata;
2309	Coro::cede;
2310		3013
2311	my $meta = delete $faces->{""};
2312	$meta->{version} == 1	3014	$facedata->{version} == 2
2313	or cf::cleanup "$path: version mismatch, cannot proceed.";	3015	or cf::cleanup "$path: version mismatch, cannot proceed.";
2314		3016
		3017	# patch in the exptable
		3018	$facedata->{resource}{"res/exp_table"} = {
		3019	type => FT_RSRC,
		3020	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3021	};
		3022	cf::cede_to_tick;
		3023
		3024	{
		3025	my $faces = $facedata->{faceinfo};
		3026
2315	while (my ($face, $info) = each %$faces) {	3027	while (my ($face, $info) = each %$faces) {
2316	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3028	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2317	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3029	cf::face::set_visibility $idx, $info->{visibility};
		3030	cf::face::set_magicmap $idx, $info->{magicmap};
2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3031	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3032	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2320	Coro::cede;
2321	}
2322		3033
		3034	cf::cede_to_tick;
		3035	}
		3036
2323	while (my ($face, $info) = each %$faces) {	3037	while (my ($face, $info) = each %$faces) {
2324	next unless $info->{smooth};	3038	next unless $info->{smooth};
2325	my $idx = cf::face::find $face	3039	my $idx = cf::face::find $face
2326	or next;	3040	or next;
2327	if (my $smooth = cf::face::find $info->{smooth}) {	3041	if (my $smooth = cf::face::find $info->{smooth}) {
2328	cf::face::set_smooth $idx, $smooth;	3042	cf::face::set_smooth $idx, $smooth;
		3043	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2329	} else {	3044	} else {
2330	warn "smooth face '$info->{smooth}' not found for face '$face'";	3045	warn "smooth face '$info->{smooth}' not found for face '$face'";
2331	}	3046	}
2332	Coro::cede;	3047
		3048	cf::cede_to_tick;
		3049	}
		3050	}
		3051
		3052	{
		3053	my $anims = $facedata->{animinfo};
		3054
		3055	while (my ($anim, $info) = each %$anims) {
		3056	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3057	cf::cede_to_tick;
		3058	}
		3059
		3060	cf::anim::invalidate_all; # d'oh
		3061	}
		3062
		3063	{
		3064	# TODO: for gcfclient pleasure, we should give resources
		3065	# that gcfclient doesn't grok a >10000 face index.
		3066	my $res = $facedata->{resource};
		3067
		3068	my $soundconf = delete $res->{"res/sound.conf"};
		3069
		3070	while (my ($name, $info) = each %$res) {
		3071	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3072	my $data;
		3073
		3074	if ($info->{type} & 1) {
		3075	# prepend meta info
		3076
		3077	my $meta = $enc->encode ({
		3078	name => $name,
		3079	%{ $info->{meta} || {} },
		3080	});
		3081
		3082	$data = pack "(w/a*)*", $meta, $info->{data};
		3083	} else {
		3084	$data = $info->{data};
		3085	}
		3086
		3087	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3088	cf::face::set_type $idx, $info->{type};
		3089
		3090	cf::cede_to_tick;
		3091	}
		3092
		3093	if ($soundconf) {
		3094	$soundconf = $enc->decode (delete $soundconf->{data});
		3095
		3096	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3097	my $sound = $soundconf->{compat}[$_]
		3098	or next;
		3099
		3100	my $face = cf::face::find "sound/$sound->[1]";
		3101	cf::sound::set $sound->[0] => $face;
		3102	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3103	}
		3104
		3105	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3106	my $face = cf::face::find "sound/$v";
		3107	cf::sound::set $k => $face;
		3108	}
		3109	}
2333	}	3110	}
2334		3111
2335	1	3112	1
2336	}	3113	}
2337		3114
		3115	register_exticmd fx_want => sub {
		3116	my ($ns, $want) = @_;
		3117
		3118	while (my ($k, $v) = each %$want) {
		3119	$ns->fx_want ($k, $v);
		3120	}
		3121	};
		3122
		3123	sub reload_regions {
		3124	# HACK to clear player env face cache, we need some signal framework
		3125	# for this (global event?)
		3126	%ext::player_env::MUSIC_FACE_CACHE = ();
		3127
		3128	load_resource_file "$MAPDIR/regions"
		3129	or die "unable to load regions file\n";
		3130
		3131	for (cf::region::list) {
		3132	$_->{match} = qr/$_->{match}/
		3133	if exists $_->{match};
		3134	}
		3135	}
		3136
		3137	sub reload_facedata {
		3138	load_facedata "$DATADIR/facedata"
		3139	or die "unable to load facedata\n";
		3140	}
		3141
		3142	sub reload_archetypes {
		3143	load_resource_file "$DATADIR/archetypes"
		3144	or die "unable to load archetypes\n";
		3145	#d# NEED to laod twice to resolve forward references
		3146	# this really needs to be done in an extra post-pass
		3147	# (which needs to be synchronous, so solve it differently)
		3148	load_resource_file "$DATADIR/archetypes"
		3149	or die "unable to load archetypes\n";
		3150	}
		3151
		3152	sub reload_treasures {
		3153	load_resource_file "$DATADIR/treasures"
		3154	or die "unable to load treasurelists\n";
		3155	}
		3156
2338	sub reload_resources {	3157	sub reload_resources {
2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3158	warn "reloading resource files...\n";
2340	or die "unable to load regions file\n";#d#	3159
		3160	reload_regions;
2341	load_facedata	3161	reload_facedata;
2342	or die "unable to load facedata\n";#d#	3162	#reload_archetypes;#d#
		3163	reload_archetypes;
		3164	reload_treasures;
		3165
		3166	warn "finished reloading resource files\n";
2343	}	3167	}
2344		3168
2345	sub init {	3169	sub init {
2346	reload_resources;	3170	reload_resources;
2347	}	3171	}
2348		3172
2349	sub cfg_load {	3173	sub reload_config {
2350	open my $fh, "<:utf8", cf::confdir . "/config"	3174	open my $fh, "<:utf8", "$CONFDIR/config"
2351	or return;	3175	or return;
2352		3176
2353	local $/;	3177	local $/;
2354	*CFG = YAML::Syck::Load <$fh>;	3178	*CFG = YAML::Syck::Load <$fh>;
2355		3179
…		…
2370	sub main {	3194	sub main {
2371	# we must not ever block the main coroutine	3195	# we must not ever block the main coroutine
2372	local $Coro::idle = sub {	3196	local $Coro::idle = sub {
2373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2374	(async {	3198	(async {
		3199	$Coro::current->{desc} = "IDLE BUG HANDLER";
2375	Event::one_event;	3200	Event::one_event;
2376	})->prio (Coro::PRIO_MAX);	3201	})->prio (Coro::PRIO_MAX);
2377	};	3202	};
2378		3203
2379	cfg_load;	3204	reload_config;
2380	db_init;	3205	db_init;
2381	load_extensions;	3206	load_extensions;
2382		3207
2383	$TICK_WATCHER->start;	3208	$TICK_WATCHER->start;
2384	Event::loop;	3209	Event::loop;
…		…
2400	},	3225	},
2401	);	3226	);
2402	}	3227	}
2403	}	3228	}
2404		3229
		3230	sub write_runtime {
		3231	my $runtime = "$LOCALDIR/runtime";
		3232
		3233	# first touch the runtime file to show we are still running:
		3234	# the fsync below can take a very very long time.
		3235
		3236	IO::AIO::aio_utime $runtime, undef, undef;
		3237
		3238	my $guard = cf::lock_acquire "write_runtime";
		3239
		3240	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3241	or return;
		3242
		3243	my $value = $cf::RUNTIME + 90 + 10;
		3244	# 10 is the runtime save interval, for a monotonic clock
		3245	# 60 allows for the watchdog to kill the server.
		3246
		3247	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3248	and return;
		3249
		3250	# always fsync - this file is important
		3251	aio_fsync $fh
		3252	and return;
		3253
		3254	# touch it again to show we are up-to-date
		3255	aio_utime $fh, undef, undef;
		3256
		3257	close $fh
		3258	or return;
		3259
		3260	aio_rename "$runtime~", $runtime
		3261	and return;
		3262
		3263	warn "runtime file written.\n";
		3264
		3265	1
		3266	}
		3267
2405	sub emergency_save() {	3268	sub emergency_save() {
2406	my $freeze_guard = cf::freeze_mainloop;	3269	my $freeze_guard = cf::freeze_mainloop;
2407		3270
2408	warn "enter emergency perl save\n";	3271	warn "enter emergency perl save\n";
2409		3272
…		…
2440		3303
2441	warn Carp::longmess "post_cleanup backtrace"	3304	warn Carp::longmess "post_cleanup backtrace"
2442	if $make_core;	3305	if $make_core;
2443	}	3306	}
2444		3307
2445	sub reload() {	3308	sub do_reload_perl() {
2446	# can/must only be called in main	3309	# can/must only be called in main
2447	if ($Coro::current != $Coro::main) {	3310	if ($Coro::current != $Coro::main) {
2448	warn "can only reload from main coroutine";	3311	warn "can only reload from main coroutine";
2449	return;	3312	return;
2450	}	3313	}
…		…
2484	%EXT_CORO = ();	3347	%EXT_CORO = ();
2485		3348
2486	warn "removing commands";	3349	warn "removing commands";
2487	%COMMAND = ();	3350	%COMMAND = ();
2488		3351
2489	warn "removing ext commands";	3352	warn "removing ext/exti commands";
2490	%EXTCMD = ();	3353	%EXTCMD = ();
		3354	%EXTICMD = ();
2491		3355
2492	warn "unloading/nuking all extensions";	3356	warn "unloading/nuking all extensions";
2493	for my $pkg (@EXTS) {	3357	for my $pkg (@EXTS) {
2494	warn "... unloading $pkg";	3358	warn "... unloading $pkg";
2495		3359
…		…
2525	Symbol::delete_package "safe::$_"	3389	Symbol::delete_package "safe::$_"
2526	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3390	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2527		3391
2528	warn "unloading cf.pm \"a bit\"";	3392	warn "unloading cf.pm \"a bit\"";
2529	delete $INC{"cf.pm"};	3393	delete $INC{"cf.pm"};
		3394	delete $INC{"cf/pod.pm"};
2530		3395
2531	# don't, removes xs symbols, too,	3396	# don't, removes xs symbols, too,
2532	# and global variables created in xs	3397	# and global variables created in xs
2533	#Symbol::delete_package __PACKAGE__;	3398	#Symbol::delete_package __PACKAGE__;
2534		3399
…		…
2537	warn "reloading cf.pm";	3402	warn "reloading cf.pm";
2538	require cf;	3403	require cf;
2539	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2540		3405
2541	warn "loading config and database again";	3406	warn "loading config and database again";
2542	cf::cfg_load;	3407	cf::reload_config;
2543		3408
2544	warn "loading extensions";	3409	warn "loading extensions";
2545	cf::load_extensions;	3410	cf::load_extensions;
2546		3411
2547	warn "reattaching attachments to objects/players";	3412	warn "reattaching attachments to objects/players";
…		…
2549	warn "reattaching attachments to maps";	3414	warn "reattaching attachments to maps";
2550	reattach $_ for values %MAP;	3415	reattach $_ for values %MAP;
2551	warn "reattaching attachments to players";	3416	warn "reattaching attachments to players";
2552	reattach $_ for values %PLAYER;	3417	reattach $_ for values %PLAYER;
2553		3418
2554	warn "loading reloadable resources";
2555	reload_resources;
2556
2557	warn "leaving sync_job";	3419	warn "leaving sync_job";
2558		3420
2559	1	3421	1
2560	} or do {	3422	} or do {
2561	warn $@;	3423	warn $@;
…		…
2566	warn "reloaded";	3428	warn "reloaded";
2567	};	3429	};
2568		3430
2569	our $RELOAD_WATCHER; # used only during reload	3431	our $RELOAD_WATCHER; # used only during reload
2570		3432
		3433	sub reload_perl() {
		3434	# doing reload synchronously and two reloads happen back-to-back,
		3435	# coro crashes during coro_state_free->destroy here.
		3436
		3437	$RELOAD_WATCHER ||= Event->timer (
		3438	reentrant => 0,
		3439	after => 0,
		3440	data => WF_AUTOCANCEL,
		3441	cb => sub {
		3442	do_reload_perl;
		3443	undef $RELOAD_WATCHER;
		3444	},
		3445	);
		3446	}
		3447
2571	register_command "reload" => sub {	3448	register_command "reload" => sub {
2572	my ($who, $arg) = @_;	3449	my ($who, $arg) = @_;
2573		3450
2574	if ($who->flag (FLAG_WIZ)) {	3451	if ($who->flag (FLAG_WIZ)) {
2575	$who->message ("reloading server.");	3452	$who->message ("reloading server.");
2576		3453	async {
2577	# doing reload synchronously and two reloads happen back-to-back,	3454	$Coro::current->{desc} = "perl_reload";
2578	# coro crashes during coro_state_free->destroy here.
2579
2580	$RELOAD_WATCHER ||= Event->timer (
2581	reentrant => 0,
2582	after => 0,
2583	data => WF_AUTOCANCEL,
2584	cb => sub {
2585	reload;	3455	reload_perl;
2586	undef $RELOAD_WATCHER;
2587	},
2588	);	3456	};
2589	}	3457	}
2590	};	3458	};
2591		3459
2592	unshift @INC, $LIBDIR;	3460	unshift @INC, $LIBDIR;
2593		3461
2594	my $bug_warning = 0;	3462	my $bug_warning = 0;
		3463
		3464	our @WAIT_FOR_TICK;
		3465	our @WAIT_FOR_TICK_BEGIN;
		3466
		3467	sub wait_for_tick {
		3468	return unless $TICK_WATCHER->is_active;
		3469	return if $Coro::current == $Coro::main;
		3470
		3471	my $signal = new Coro::Signal;
		3472	push @WAIT_FOR_TICK, $signal;
		3473	$signal->wait;
		3474	}
		3475
		3476	sub wait_for_tick_begin {
		3477	return unless $TICK_WATCHER->is_active;
		3478	return if $Coro::current == $Coro::main;
		3479
		3480	my $signal = new Coro::Signal;
		3481	push @WAIT_FOR_TICK_BEGIN, $signal;
		3482	$signal->wait;
		3483	}
2595		3484
2596	$TICK_WATCHER = Event->timer (	3485	$TICK_WATCHER = Event->timer (
2597	reentrant => 0,	3486	reentrant => 0,
2598	parked => 1,	3487	parked => 1,
2599	prio => 0,	3488	prio => 0,
…		…
2604	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3493	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2605	unless ++$bug_warning > 10;	3494	unless ++$bug_warning > 10;
2606	return;	3495	return;
2607	}	3496	}
2608		3497
2609	$NOW = Event::time;	3498	$NOW = $tick_start = Event::time;
2610		3499
2611	cf::server_tick; # one server iteration	3500	cf::server_tick; # one server iteration
		3501
2612	$RUNTIME += $TICK;	3502	$RUNTIME += $TICK;
2613	$NEXT_TICK += $TICK;	3503	$NEXT_TICK += $TICK;
2614		3504
2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3505	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2616	$NEXT_RUNTIME_WRITE = $NOW + 10;	3506	$NEXT_RUNTIME_WRITE = $NOW + 10;
2617	Coro::async_pool {	3507	Coro::async_pool {
		3508	$Coro::current->{desc} = "runtime saver";
2618	write_runtime	3509	write_runtime
2619	or warn "ERROR: unable to write runtime file: $!";	3510	or warn "ERROR: unable to write runtime file: $!";
2620	};	3511	};
2621	}	3512	}
2622		3513
2623	$WAIT_FOR_TICK->broadcast;	3514	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2624	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3515	$sig->send;
		3516	}
		3517	while (my $sig = shift @WAIT_FOR_TICK) {
		3518	$sig->send;
		3519	}
2625		3520
2626	# my $AFTER = Event::time;	3521	$NOW = Event::time;
2627	# warn $AFTER - $NOW;#d#
2628		3522
2629	# if we are delayed by four ticks or more, skip them all	3523	# if we are delayed by four ticks or more, skip them all
2630	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3524	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2631		3525
2632	$TICK_WATCHER->at ($NEXT_TICK);	3526	$TICK_WATCHER->at ($NEXT_TICK);
2633	$TICK_WATCHER->start;	3527	$TICK_WATCHER->start;
		3528
		3529	$LOAD = ($NOW - $tick_start) / $TICK;
		3530	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3531
		3532	_post_tick;
2634	},	3533	},
2635	);	3534	);
2636		3535
2637	{	3536	{
		3537	BDB::min_parallel 8;
2638	BDB::max_poll_time $TICK * 0.1;	3538	BDB::max_poll_time $TICK * 0.1;
2639	$BDB_POLL_WATCHER = Event->io (	3539	$BDB_POLL_WATCHER = Event->io (
2640	reentrant => 0,	3540	reentrant => 0,
2641	fd => BDB::poll_fileno,	3541	fd => BDB::poll_fileno,
2642	poll => 'r',	3542	poll => 'r',
2643	prio => 0,	3543	prio => 0,
2644	data => WF_AUTOCANCEL,	3544	data => WF_AUTOCANCEL,
2645	cb => \&BDB::poll_cb,	3545	cb => \&BDB::poll_cb,
2646	);	3546	);
2647	BDB::min_parallel 8;
2648		3547
2649	BDB::set_sync_prepare {	3548	BDB::set_sync_prepare {
2650	my $status;	3549	my $status;
2651	my $current = $Coro::current;	3550	my $current = $Coro::current;
2652	(	3551	(
…		…
2661	)	3560	)
2662	};	3561	};
2663		3562
2664	unless ($DB_ENV) {	3563	unless ($DB_ENV) {
2665	$DB_ENV = BDB::db_env_create;	3564	$DB_ENV = BDB::db_env_create;
		3565	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3566	| BDB::LOG_AUTOREMOVE, 1);
		3567	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3568	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2666		3569
2667	cf::sync_job {	3570	cf::sync_job {
2668	eval {	3571	eval {
2669	BDB::db_env_open	3572	BDB::db_env_open
2670	$DB_ENV,	3573	$DB_ENV,
2671	$BDB_ENV_DIR,	3574	$BDBDIR,
2672	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3575	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2673	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3576	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2674	0666;	3577	0666;
2675		3578
2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3579	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2677
2678	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2679	$DB_ENV->set_lk_detect;
2680	};	3580	};
2681		3581
2682	cf::cleanup "db_env_open(db): $@" if $@;	3582	cf::cleanup "db_env_open(db): $@" if $@;
2683	};	3583	};
2684	}	3584	}
		3585
		3586	$BDB_DEADLOCK_WATCHER = Event->timer (
		3587	after => 3,
		3588	interval => 1,
		3589	hard => 1,
		3590	prio => 0,
		3591	data => WF_AUTOCANCEL,
		3592	cb => sub {
		3593	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3594	},
		3595	);
		3596	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3597	after => 11,
		3598	interval => 60,
		3599	hard => 1,
		3600	prio => 0,
		3601	data => WF_AUTOCANCEL,
		3602	cb => sub {
		3603	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3604	},
		3605	);
		3606	$BDB_TRICKLE_WATCHER = Event->timer (
		3607	after => 5,
		3608	interval => 10,
		3609	hard => 1,
		3610	prio => 0,
		3611	data => WF_AUTOCANCEL,
		3612	cb => sub {
		3613	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3614	},
		3615	);
2685	}	3616	}
2686		3617
2687	{	3618	{
2688	IO::AIO::min_parallel 8;	3619	IO::AIO::min_parallel 8;
2689		3620
…		…
2692	$AIO_POLL_WATCHER = Event->io (	3623	$AIO_POLL_WATCHER = Event->io (
2693	reentrant => 0,	3624	reentrant => 0,
2694	data => WF_AUTOCANCEL,	3625	data => WF_AUTOCANCEL,
2695	fd => IO::AIO::poll_fileno,	3626	fd => IO::AIO::poll_fileno,
2696	poll => 'r',	3627	poll => 'r',
2697	prio => 6,	3628	prio => 0,
2698	cb => \&IO::AIO::poll_cb,	3629	cb => \&IO::AIO::poll_cb,
2699	);	3630	);
2700	}	3631	}
2701		3632
		3633	my $_log_backtrace;
		3634
		3635	sub _log_backtrace {
		3636	my ($msg, @addr) = @_;
		3637
		3638	$msg =~ s/\n//;
		3639
		3640	# limit the # of concurrent backtraces
		3641	if ($_log_backtrace < 2) {
		3642	++$_log_backtrace;
		3643	async {
		3644	$Coro::current->{desc} = "abt $msg";
		3645
		3646	my @bt = fork_call {
		3647	@addr = map { sprintf "%x", $_ } @addr;
		3648	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3649	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3650	or die "addr2line: $!";
		3651
		3652	my @funcs;
		3653	my @res = <$fh>;
		3654	chomp for @res;
		3655	while (@res) {
		3656	my ($func, $line) = splice @res, 0, 2, ();
		3657	push @funcs, "[$func] $line";
		3658	}
		3659
		3660	@funcs
		3661	};
		3662
		3663	LOG llevInfo, "[ABT] $msg\n";
		3664	LOG llevInfo, "[ABT] $_\n" for @bt;
		3665	--$_log_backtrace;
		3666	};
		3667	} else {
		3668	LOG llevInfo, "[ABT] $msg\n";
		3669	LOG llevInfo, "[ABT] [suppressed]\n";
		3670	}
		3671	}
		3672
		3673	# load additional modules
		3674	use cf::pod;
		3675
2702	END { cf::emergency_save }	3676	END { cf::emergency_save }
2703		3677
2704	1	3678	1
2705		3679

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