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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.387 by root, Mon Oct 15 23:49:10 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 Storable;	8	use Socket;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.3 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	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(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	80	our $NEXT_TICK;
50	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
51		89
52	our %CFG;	90	our %CFG;
53		91
54	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	93	our $RUNTIME;
56		94
57	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		98
65	# 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 ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		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 $tick_start; # for load detecting purposes
		105
68	binmode STDOUT;	106	binmode STDOUT;
69	binmode STDERR;	107	binmode STDERR;
70		108
71	# read virtual server time, if available	109	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
76	}	114	}
77		115
78	mkdir cf::localdir;	116	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		118
84	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
85		122
86	#############################################################################	123	#############################################################################
87		124
88	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
89		126
…		…
96	=item $cf::RUNTIME	133	=item $cf::RUNTIME
97		134
98	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
99	every server tick.	136	every server tick.
100		137
101	=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
102		141
103	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
104	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.
105		146
106	=item $cf::NOW	147	=item $cf::NOW
107		148
108	The time of the last (current) server tick.	149	The time of the last (current) server tick.
109		150
110	=item $cf::TICK	151	=item $cf::TICK
111		152
112	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.
113		164
114	=item %cf::CFG	165	=item %cf::CFG
115		166
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
117	from wherever your confdir points to.	168	from wherever your confdir points to.
118		169
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		171
121	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
122	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
123	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.
124	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.
125		181
126	=back	182	=back
127		183
128	=cut	184	=cut
129		185
130	BEGIN {	186	BEGIN {
131	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	188	my $msg = join "", @_;
133	utf8::encode $msg;
134		189
135	$msg .= "\n"	190	$msg .= "\n"
136	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
137		194
138	LOG llevError, $msg;	195	LOG llevError, $msg;
139	};	196	};
140	}	197	}
141		198
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@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';
147	@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)
148		206
149	# 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
150	# within the Safe compartment.	208	# within the Safe compartment.
151	for my $pkg (qw(	209	for my $pkg (qw(
152	cf::global cf::attachable	210	cf::global cf::attachable
…		…
160	}	218	}
161		219
162	$Event::DIED = sub {	220	$Event::DIED = sub {
163	warn "error in event callback: @_";	221	warn "error in event callback: @_";
164	};	222	};
		223
		224	#############################################################################
165		225
166	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
167		227
168	=over 4	228	=over 4
169		229
…		…
188	$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;
189	$d	249	$d
190	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
191	}	251	}
192		252
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
196		254
197	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
198		256
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
207		258
208	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
209		260
210	=cut	261	=cut
211		262
212	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
214	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
216		267
217	=item cf::lock_wait $string	268	=item cf::lock_wait $string
218		269
219	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
220		271
…		…
223	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
224	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,
225	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
226	returned.	277	returned.
227		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
228	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
229	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
230		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
231	=cut	289	=cut
232		290
233	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
234		293
235	sub lock_wait($) {	294	sub lock_wait($) {
236	my ($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#
237		301
238	# wait for lock, if any	302	# wait for lock, if any
239	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	305	Coro::schedule;
…		…
247		311
248	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
249	lock_wait $key;	313	lock_wait $key;
250		314
251	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
252		317
253	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
256	}	322	}
257	}	323	}
258		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
259	sub freeze_mainloop {	331	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
261		333
262	my $guard = Coro::guard { $TICK_WATCHER->start };	334	my $guard = Coro::guard {
		335	$TICK_WATCHER->start;
		336	};
263	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
264	$guard	338	$guard
		339	}
		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;
265	}	397	}
266		398
267	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
268		400
269	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		406
275	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
276		408
277	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
278		410
279	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)
280	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
281	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.
282		415
283	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
284	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
285	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
286	fast or be very important.	419	fast or be very important.
…		…
289		422
290	sub sync_job(&) {	423	sub sync_job(&) {
291	my ($job) = @_;	424	my ($job) = @_;
292		425
293	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
294	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
296		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
297	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	435	# (but this is cancel-safe)
299	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
300		437
301	my $busy = 1;	438	my $busy = 1;
302	my @res;	439	my @res;
303		440
304	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	443	@res = eval { $job->() };
306	warn $@ if $@;	444	warn $@ if $@;
307	undef $busy;	445	undef $busy;
308	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
309		447
310	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
311	Coro::cede or Event::one_event;	452	Event::one_event;
312	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
313		462
314	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
315	} else {	464	} else {
316	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
317		466
…		…
337	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
338		487
339	$coro	488	$coro
340	}	489	}
341		490
342	sub write_runtime {	491	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		492
345	my $runtime = cf::localdir . "/runtime";	493	Executes the given code block with the given arguments in a seperate
		494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
346		497
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	498	=cut
348	or return;
349		499
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	500	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	501	my ($cb, @args) = @_;
352	and return;
353		502
354	aio_fsync $fh	503	# we seemingly have to make a local copy of the whole thing,
355	and return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
356		506
357	close $fh	507	my @res = Coro::Util::fork_eval {
358	or return;	508	reset_signals;
		509	&$cb
		510	}, @args;
359		511
360	aio_rename "$runtime~", $runtime	512	wantarray ? @res : $res[-1]
361	and return;	513	}
362		514
		515	=item $value = cf::db_get $family => $key
		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
363	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
		640	}
		641
		642	=item cf::datalog type => key => value, ...
		643
		644	Log a datalog packet of the given type with the given key-value pairs.
		645
		646	=cut
		647
		648	sub datalog($@) {
		649	my ($type, %kv) = @_;
		650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	651	}
365		652
366	=back	653	=back
367		654
368	=cut	655	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
377		664
378	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	667	Crossfire TRT).
381		668
382	=over 4	669	=over 4
383		670
384	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
385		672
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	786	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	787	our @CB_MAP = ();
501		788
502	my %attachment;	789	my %attachment;
503		790
		791	sub cf::attachable::thawer_merge {
		792	# simply override everything except _meta
		793	local $_[0]{_meta};
		794	%{$_[0]} = %{$_[1]};
		795	}
		796
504	sub _attach_cb($$$$) {	797	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	798	my ($registry, $event, $prio, $cb) = @_;
506		799
507	use sort 'stable';	800	use sort 'stable';
508		801
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
543		836
544	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		841
549	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	843	my $pkg = shift @arg;
551		844
552	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
582	}	875	}
583		876
584	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
585	} else {	878	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	880	}
588		881
589	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
590	}	883	}
591		884
…		…
593	if (ref $_[0]) {	886	if (ref $_[0]) {
594	_object_attach @_;	887	_object_attach @_;
595	} else {	888	} else {
596	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
597	}	890	}
		891	_recalc_want;
598	};	892	};
599		893
600	# all those should be optimised	894	# all those should be optimised
601	sub cf::attachable::detach {	895	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
606	reattach ($obj);	900	reattach ($obj);
607	} else {	901	} else {
608	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
609	}	903	}
		904	_recalc_want;
610	};	905	};
611		906
612	sub cf::attachable::attached {	907	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
614		909
…		…
629	";	924	";
630	die if $@;	925	die if $@;
631	}	926	}
632		927
633	our $override;	928	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		930
636	sub override {	931	sub override {
637	$override = 1;	932	$override = 1;
638	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
639	}	934	}
640		935
641	sub do_invoke {	936	sub do_invoke {
642	my $event = shift;	937	my $event = shift;
643	my $callbacks = shift;	938	my $callbacks = shift;
644		939
645	@invoke_results = ();	940	@INVOKE_RESULTS = ();
646		941
647	local $override;	942	local $override;
648		943
649	for (@$callbacks) {	944	for (@$callbacks) {
650	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
667		962
668	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
669		964
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		968
674	=back	969	=back
675		970
676	=cut	971	=cut
677		972
678	#############################################################################	973	#############################################################################
679	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
680		1017
681	sub reattach {	1018	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1020	my ($obj) = @_;
		1021
		1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1023
685	my $registry = $obj->registry;	1024	my $registry = $obj->registry;
686		1025
687	@$registry = ();	1026	@$registry = ();
688		1027
…		…
729	sub object_freezer_save {	1068	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
731		1070
732	sync_job {	1071	sync_job {
733	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
736		1076
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1080	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1081	close $fh;
742		1082
743	if (@$objs) {	1083	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1088	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1089	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
751	}	1091	}
752	} else {	1092	} else {
753	aio_unlink "$filename.pst";	1093	aio_unlink "$filename.pst";
…		…
759	}	1099	}
760	} else {	1100	} else {
761	aio_unlink $filename;	1101	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
763	}	1103	}
764	}	1104	};
765	}	1105	}
766		1106
767	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
769		1109
…		…
781	or return;	1121	or return;
782		1122
783	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
785	or return;	1125	or return;
786	$av = eval { (Storable::thaw $av)->{objs} };
787	}
788		1126
		1127	my $st = eval { Coro::Storable::thaw $av }
		1128	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1129	$av = $st->{objs};
		1130	}
		1131
		1132	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1133	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1134	$decname, length $data, scalar @{$av || []};
		1135
791	return ($data, $av);	1136	($data, $av)
792	}	1137	}
		1138
		1139	=head2 COMMAND CALLBACKS
		1140
		1141	=over 4
		1142
		1143	=cut
793		1144
794	#############################################################################	1145	#############################################################################
795	# command handling &c	1146	# command handling &c
796		1147
797	=item cf::register_command $name => \&callback($ob,$args);	1148	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1161	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1162	}
812		1163
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1164	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1165
815	Register a callbackf ro execution when the client sends an extcmd packet.	1166	Register a callback for execution when the client sends an (synchronous)
		1167	extcmd packet. Ext commands will be processed in the order they are
		1168	received by the server, like other user commands. The first argument is
		1169	the logged-in player. Ext commands can only be processed after a player
		1170	has logged in successfully.
816		1171
817	If the callback returns something, it is sent back as if reply was being	1172	If the callback returns something, it is sent back as if reply was being
818	called.	1173	called.
819		1174
		1175	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1176
		1177	Register a callback for execution when the client sends an (asynchronous)
		1178	exticmd packet. Exti commands are processed by the server as soon as they
		1179	are received, i.e. out of order w.r.t. other commands. The first argument
		1180	is a client socket. Exti commands can be received anytime, even before
		1181	log-in.
		1182
		1183	If the callback returns something, it is sent back as if reply was being
		1184	called.
		1185
820	=cut	1186	=cut
821		1187
822	sub register_extcmd {	1188	sub register_extcmd {
823	my ($name, $cb) = @_;	1189	my ($name, $cb) = @_;
824		1190
825	$EXTCMD{$name} = $cb;	1191	$EXTCMD{$name} = $cb;
		1192	}
		1193
		1194	sub register_exticmd {
		1195	my ($name, $cb) = @_;
		1196
		1197	$EXTICMD{$name} = $cb;
826	}	1198	}
827		1199
828	cf::player->attach (	1200	cf::player->attach (
829	on_command => sub {	1201	on_command => sub {
830	my ($pl, $name, $params) = @_;	1202	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1211	cf::override;
840	},	1212	},
841	on_extcmd => sub {	1213	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1214	my ($pl, $buf) = @_;
843		1215
844	my $msg = eval { from_json $buf };	1216	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1217
846	if (ref $msg) {	1218	if (ref $msg) {
		1219	my ($type, $reply, @payload) =
		1220	"ARRAY" eq ref $msg
		1221	? @$msg
		1222	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1223
		1224	my @reply;
		1225
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1226	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1227	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1228	}
		1229
		1230	$pl->ext_reply ($reply, @reply)
		1231	if $reply;
		1232
852	} else {	1233	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1234	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1235	}
855		1236
856	cf::override;	1237	cf::override;
857	},	1238	},
858	);	1239	);
859		1240
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1241	sub load_extensions {
		1242	cf::sync_job {
		1243	my %todo;
		1244
895	for my $ext (<$LIBDIR/*.ext>) {	1245	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1246	next unless -r $path;
897	eval {	1247
898	load_extension $ext;	1248	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1249	my $base = $1;
		1250	my $pkg = $1;
		1251	$pkg =~ s/[^[:word:]]/_/g;
		1252	$pkg = "ext::$pkg";
		1253
		1254	open my $fh, "<:utf8", $path
		1255	or die "$path: $!";
		1256
		1257	my $source = do { local $/; <$fh> };
		1258
		1259	my %ext = (
		1260	path => $path,
		1261	base => $base,
		1262	pkg => $pkg,
		1263	);
		1264
		1265	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1266	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1267
		1268	$ext{source} =
		1269	"package $pkg; use strict; use utf8;\n"
		1270	. "#line 1 \"$path\"\n{\n"
		1271	. $source
		1272	. "\n};\n1";
		1273
		1274	$todo{$base} = \%ext;
		1275	}
		1276
		1277	my %done;
		1278	while (%todo) {
		1279	my $progress;
		1280
		1281	while (my ($k, $v) = each %todo) {
		1282	for (split /,\s*/, $v->{meta}{depends}) {
		1283	goto skip
		1284	unless exists $done{$_};
		1285	}
		1286
		1287	warn "... loading '$k' into '$v->{pkg}'\n";
		1288
		1289	unless (eval $v->{source}) {
		1290	my $msg = $@ ? "$v->{path}: $@\n"
		1291	: "$v->{base}: extension inactive.\n";
		1292
		1293	if (exists $v->{meta}{mandatory}) {
		1294	warn $msg;
		1295	warn "mandatory extension failed to load, exiting.\n";
		1296	exit 1;
		1297	}
		1298
		1299	warn $msg;
		1300	}
		1301
		1302	$done{$k} = delete $todo{$k};
		1303	push @EXTS, $v->{pkg};
		1304	$progress = 1;
899	1	1305	}
900	} or warn "$ext not loaded: $@";	1306
		1307	skip:
		1308	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1309	unless $progress;
		1310	}
901	}	1311	};
902	}	1312	}
903		1313
904	#############################################################################	1314	#############################################################################
905	# load/save/clean perl data associated with a map
906		1315
907	*cf::mapsupport::on_clean = sub {	1316	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1317
920	=head2 CORE EXTENSIONS	1318	=head2 CORE EXTENSIONS
921		1319
922	Functions and methods that extend core crossfire objects.	1320	Functions and methods that extend core crossfire objects.
923		1321
…		…
929		1327
930	=head3 cf::player	1328	=head3 cf::player
931		1329
932	=over 4	1330	=over 4
933		1331
		1332	=item cf::player::num_playing
		1333
		1334	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1335
		1336	=cut
		1337
		1338	sub num_playing {
		1339	scalar grep
		1340	$_->ob->map
		1341	&& !$_->hidden
		1342	&& !$_->ob->flag (cf::FLAG_WIZ),
		1343	cf::player::list
		1344	}
		1345
934	=item cf::player::find $login	1346	=item cf::player::find $login
935		1347
936	Returns the given player object, loading it if necessary (might block).	1348	Returns the given player object, loading it if necessary (might block).
937		1349
938	=cut	1350	=cut
939		1351
940	sub playerdir($) {	1352	sub playerdir($) {
941	cf::localdir	1353	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1354	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1355	}
947		1356
948	sub path($) {	1357	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1358	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1359
951	(playerdir $login) . "/$login.pl"	1360	(playerdir $login) . "/playerdata"
952	}	1361	}
953		1362
954	sub find_active($) {	1363	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1364	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1365	and $cf::PLAYER{$_[0]}->active
…		…
959		1368
960	sub exists($) {	1369	sub exists($) {
961	my ($login) = @_;	1370	my ($login) = @_;
962		1371
963	$cf::PLAYER{$login}	1372	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1373	or cf::sync_job { !aio_stat path $login }
965	}	1374	}
966		1375
967	sub find($) {	1376	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1377	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1378	my $login = $_[0];
970		1379
971	my $guard = cf::lock_acquire "user_find:$login";	1380	my $guard = cf::lock_acquire "user_find:$login";
972		1381
973	$cf::PLAYER{$_[0]} || do {	1382	$cf::PLAYER{$_[0]} || do {
974	my $pl = load_pl path $login	1383	# rename old playerfiles to new ones
		1384	#TODO: remove when no longer required
		1385	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1386	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1387	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1388	aio_unlink +(playerdir $login) . "/$login.pl";
		1389
		1390	my $f = new_from_file cf::object::thawer path $login
975	or return;	1391	or return;
		1392
		1393	my $pl = cf::player::load_pl $f
		1394	or return;
		1395	local $cf::PLAYER_LOADING{$login} = $pl;
		1396	$f->resolve_delayed_derefs;
976	$cf::PLAYER{$login} = $pl	1397	$cf::PLAYER{$login} = $pl
977	}	1398	}
978	}	1399	}
979	}	1400	}
980		1401
…		…
990		1411
991	aio_mkdir playerdir $pl, 0770;	1412	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1413	$pl->{last_save} = $cf::RUNTIME;
993		1414
994	$pl->save_pl ($path);	1415	$pl->save_pl ($path);
995	Coro::cede;	1416	cf::cede_to_tick;
996	}	1417	}
997		1418
998	sub new($) {	1419	sub new($) {
999	my ($login) = @_;	1420	my ($login) = @_;
1000		1421
…		…
1006	$cf::PLAYER{$login} = $self;	1427	$cf::PLAYER{$login} = $self;
1007		1428
1008	$self	1429	$self
1009	}	1430	}
1010		1431
		1432	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1433
		1434	=cut
		1435
		1436	sub send_msg {
		1437	my $ns = shift->ns
		1438	or return;
		1439	$ns->send_msg (@_);
		1440	}
		1441
1011	=item $pl->quit_character	1442	=item $pl->quit_character
1012		1443
1013	Nukes the player without looking back. If logged in, the connection will	1444	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1445	be destroyed. May block for a long time.
1015		1446
1016	=cut	1447	=cut
1017		1448
1018	sub quit_character {	1449	sub quit_character {
1019	my ($pl) = @_;	1450	my ($pl) = @_;
		1451
		1452	my $name = $pl->ob->name;
1020		1453
1021	$pl->{deny_save} = 1;	1454	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1455	$pl->password ("*"); # this should lock out the player until we nuked the dir
1023		1456
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1457	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1462	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1463	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1464	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1465	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1466	$pl->destroy;
		1467
		1468	my $prefix = qr<^~\Q$name\E/>;
		1469
		1470	# nuke player maps
		1471	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1472
1034	IO::AIO::aio_rmtree $temp;	1473	IO::AIO::aio_rmtree $temp;
		1474	}
		1475
		1476	=item $pl->kick
		1477
		1478	Kicks a player out of the game. This destroys the connection.
		1479
		1480	=cut
		1481
		1482	sub kick {
		1483	my ($pl, $kicker) = @_;
		1484
		1485	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1486	$pl->killer ("kicked");
		1487	$pl->ns->destroy;
1035	}	1488	}
1036		1489
1037	=item cf::player::list_logins	1490	=item cf::player::list_logins
1038		1491
1039	Returns am arrayref of all valid playernames in the system, can take a	1492	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1493	while and may block, so not sync_job-capable, ever.
1041		1494
1042	=cut	1495	=cut
1043		1496
1044	sub list_logins {	1497	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1498	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1499	or return [];
1047		1500
1048	my @logins;	1501	my @logins;
1049		1502
1050	for my $login (@$dirs) {	1503	for my $login (@$dirs) {
		1504	my $path = path $login;
		1505
		1506	# a .pst is a dead give-away for a valid player
		1507	unless (-e "$path.pst") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1508	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1509	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1510	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1511	}
1054		1512
1055	utf8::decode $login;	1513	utf8::decode $login;
1056	push @logins, $login;	1514	push @logins, $login;
1057	}	1515	}
1058		1516
…		…
1066		1524
1067	=cut	1525	=cut
1068		1526
1069	sub maps($) {	1527	sub maps($) {
1070	my ($pl) = @_;	1528	my ($pl) = @_;
		1529
		1530	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1531
1072	my $files = aio_readdir playerdir $pl	1532	my $files = aio_readdir playerdir $pl
1073	or return;	1533	or return;
1074		1534
1075	my @paths;	1535	my @paths;
…		…
1077	for (@$files) {	1537	for (@$files) {
1078	utf8::decode $_;	1538	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1539	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1540	next unless /^$PATH_SEP/o;
1081		1541
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1542	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1543	}
1084		1544
1085	\@paths	1545	\@paths
1086	}	1546	}
1087		1547
		1548	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1549
		1550	Expand crossfire pod fragments into protocol xml.
		1551
		1552	=cut
		1553
		1554	sub expand_cfpod {
		1555	((my $self), (local $_)) = @_;
		1556
		1557	# escape & and <
		1558	s/&/&amp;/g;
		1559	s/(?<![BIUGHT])</&lt;/g;
		1560
		1561	# this is buggy, it needs to properly take care of nested <'s
		1562
		1563	1 while
		1564	# replace B<>, I<>, U<> etc.
		1565	s/B<([^\>]*)>/<b>$1<\/b>/
		1566	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1567	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1568	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1569	# replace G<male|female> tags
		1570	|| s{G<([^>|]*)\|([^>]*)>}{
		1571	$self->gender ? $2 : $1
		1572	}ge
		1573	# replace H<hint text>
		1574	|| s{H<([^\>]*)>}
		1575	{
		1576	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1577	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1578	"")
		1579	[$self->{hintmode}]
		1580	}ge;
		1581
		1582	# create single paragraphs (very hackish)
		1583	s/(?<=\S)\n(?=\w)/ /g;
		1584
		1585	# compress some whitespace
		1586	s/\s+\n/\n/g; # ws line-ends
		1587	s/\n\n+/\n/g; # double lines
		1588	s/^\n+//; # beginning lines
		1589	s/\n+$//; # ending lines
		1590
		1591	$_
		1592	}
		1593
		1594	sub hintmode {
		1595	$_[0]{hintmode} = $_[1] if @_ > 1;
		1596	$_[0]{hintmode}
		1597	}
		1598
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1599	=item $player->ext_reply ($msgid, @msg)
1089		1600
1090	Sends an ext reply to the player.	1601	Sends an ext reply to the player.
1091		1602
1092	=cut	1603	=cut
1093		1604
1094	sub ext_reply($$$%) {	1605	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1606	my ($self, $id, @msg) = @_;
1096		1607
1097	$msg{msgid} = $id;	1608	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1609	}
1101		1610
1102	package cf;	1611	=item $player->ext_msg ($type, @msg)
		1612
		1613	Sends an ext event to the client.
		1614
		1615	=cut
		1616
		1617	sub ext_msg($$@) {
		1618	my ($self, $type, @msg) = @_;
		1619
		1620	$self->ns->ext_msg ($type, @msg);
		1621	}
		1622
		1623	=head3 cf::region
		1624
		1625	=over 4
		1626
		1627	=cut
		1628
		1629	package cf::region;
		1630
		1631	=item cf::region::find_by_path $path
		1632
		1633	Tries to decuce the likely region for a map knowing only its path.
		1634
		1635	=cut
		1636
		1637	sub find_by_path($) {
		1638	my ($path) = @_;
		1639
		1640	my ($match, $specificity);
		1641
		1642	for my $region (list) {
		1643	if ($region->{match} && $path =~ $region->{match}) {
		1644	($match, $specificity) = ($region, $region->specificity)
		1645	if $region->specificity > $specificity;
		1646	}
		1647	}
		1648
		1649	$match
		1650	}
1103		1651
1104	=back	1652	=back
1105
1106		1653
1107	=head3 cf::map	1654	=head3 cf::map
1108		1655
1109	=over 4	1656	=over 4
1110		1657
…		…
1114		1661
1115	use Fcntl;	1662	use Fcntl;
1116	use Coro::AIO;	1663	use Coro::AIO;
1117		1664
1118	use overload	1665	use overload
1119	'""' => \&as_string;	1666	'""' => \&as_string,
		1667	fallback => 1;
1120		1668
1121	our $MAX_RESET = 3600;	1669	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1670	our $DEFAULT_RESET = 3000;
1123		1671
1124	sub generate_random_map {	1672	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1673	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1674	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1675	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1676	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1677	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1678	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1685	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1686	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1687	)
1141	}	1688	}
1142		1689
		1690	=item cf::map->register ($regex, $prio)
		1691
		1692	Register a handler for the map path matching the given regex at the
		1693	givne priority (higher is better, built-in handlers have priority 0, the
		1694	default).
		1695
		1696	=cut
		1697
1143	sub register {	1698	sub register {
1144	my (undef, $regex) = @_;	1699	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1700	my $pkg = caller;
1146		1701
1147	no strict;	1702	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1703	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1704
1150	$EXT_MAP{$pkg} = qr<$regex>;	1705	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1706	}
1152		1707
1153	# also paths starting with '/'	1708	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1709	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1710
		1711	sub thawer_merge {
		1712	my ($self, $merge) = @_;
		1713
		1714	# we have to keep some variables in memory intact
		1715	local $self->{path};
		1716	local $self->{load_path};
		1717
		1718	$self->SUPER::thawer_merge ($merge);
		1719	}
1155		1720
1156	sub normalise {	1721	sub normalise {
1157	my ($path, $base) = @_;	1722	my ($path, $base) = @_;
		1723
		1724	$path = "$path"; # make sure its a string
		1725
		1726	$path =~ s/\.map$//;
1158		1727
1159	# map plan:	1728	# map plan:
1160	#	1729	#
1161	# /! non-realised random map exit (special hack!)	1730	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1731	# {... are special paths that are not being touched
…		…
1190		1759
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1760	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1761
1193	$path = normalise $path, $base;	1762	$path = normalise $path, $base;
1194		1763
1195	for my $pkg (keys %EXT_MAP) {	1764	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1765	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1766	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1767	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1768	$self->init; # pass $1 etc.
1200	return $self;	1769	return $self;
1201	}	1770	}
1202	}	1771	}
1203		1772
1204	Carp::carp "unable to resolve path '$path'.";	1773	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1774	()
1206	}	1775	}
1207		1776
1208	sub init {	1777	sub init {
1209	my ($self) = @_;	1778	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1789	# the displayed name, this is a one way mapping
1221	sub visible_name {	1790	sub visible_name {
1222	&as_string	1791	&as_string
1223	}	1792	}
1224		1793
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1794	# the original (read-only) location
1233	sub load_path {	1795	sub load_path {
1234	my ($self) = @_;	1796	my ($self) = @_;
1235		1797
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1798	"$MAPDIR/$self->{path}.map"
1237	}	1799	}
1238		1800
1239	# the temporary/swap location	1801	# the temporary/swap location
1240	sub save_path {	1802	sub save_path {
1241	my ($self) = @_;	1803	my ($self) = @_;
1242		1804
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1805	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1806	"$TMPDIR/$path.map"
1244	}	1807	}
1245		1808
1246	# the unique path, undef == no special unique path	1809	# the unique path, undef == no special unique path
1247	sub uniq_path {	1810	sub uniq_path {
1248	my ($self) = @_;	1811	my ($self) = @_;
1249		1812
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1813	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1814	"$UNIQUEDIR/$path"
1251	}	1815	}
1252		1816
1253	# and all this just because we cannot iterate over	1817	# and all this just because we cannot iterate over
1254	# all maps in C++...	1818	# all maps in C++...
1255	sub change_all_map_light {	1819	sub change_all_map_light {
…		…
1257		1821
1258	$_->change_map_light ($change)	1822	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1823	for grep $_->outdoor, values %cf::MAP;
1260	}	1824	}
1261		1825
		1826	sub decay_objects {
		1827	my ($self) = @_;
		1828
		1829	return if $self->{deny_reset};
		1830
		1831	$self->do_decay_objects;
		1832	}
		1833
1262	sub unlink_save {	1834	sub unlink_save {
1263	my ($self) = @_;	1835	my ($self) = @_;
1264		1836
1265	utf8::encode (my $save = $self->save_path);	1837	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1838	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1839	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1840	}
1269		1841
1270	sub load_header_from($) {	1842	sub load_header_from($) {
1271	my ($self, $path) = @_;	1843	my ($self, $path) = @_;
1272		1844
1273	utf8::encode $path;	1845	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1846	my $f = new_from_file cf::object::thawer $path
1275	or return;	1847	or return;
1276		1848
1277	$self->_load_header ($path)	1849	$self->_load_header ($f)
1278	or return;	1850	or return;
1279		1851
		1852	local $MAP_LOADING{$self->{path}} = $self;
		1853	$f->resolve_delayed_derefs;
		1854
1280	$self->{load_path} = $path;	1855	$self->{load_path} = $path;
1281		1856
1282	1	1857	1
1283	}	1858	}
1284		1859
1285	sub load_orig {	1860	sub load_header_orig {
1286	my ($self) = @_;	1861	my ($self) = @_;
1287		1862
1288	$self->load_header_from ($self->load_path)	1863	$self->load_header_from ($self->load_path)
1289	}	1864	}
1290		1865
1291	sub load_temp {	1866	sub load_header_temp {
1292	my ($self) = @_;	1867	my ($self) = @_;
1293		1868
1294	$self->load_header_from ($self->save_path)	1869	$self->load_header_from ($self->save_path)
		1870	}
		1871
		1872	sub prepare_temp {
		1873	my ($self) = @_;
		1874
		1875	$self->last_access ((delete $self->{last_access})
		1876	|| $cf::RUNTIME); #d#
		1877	# safety
		1878	$self->{instantiate_time} = $cf::RUNTIME
		1879	if $self->{instantiate_time} > $cf::RUNTIME;
		1880	}
		1881
		1882	sub prepare_orig {
		1883	my ($self) = @_;
		1884
		1885	$self->{load_original} = 1;
		1886	$self->{instantiate_time} = $cf::RUNTIME;
		1887	$self->last_access ($cf::RUNTIME);
		1888	$self->instantiate;
1295	}	1889	}
1296		1890
1297	sub load_header {	1891	sub load_header {
1298	my ($self) = @_;	1892	my ($self) = @_;
1299		1893
1300	if ($self->load_temp) {	1894	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1895	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1896	} else {
1307	$self->load_orig	1897	$self->load_header_orig
1308	or return;	1898	or return;
1309		1899	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1900	}
		1901
		1902	$self->{deny_reset} = 1
		1903	if $self->no_reset;
		1904
		1905	$self->default_region (cf::region::find_by_path $self->{path})
		1906	unless $self->default_region;
1315		1907
1316	1	1908	1
1317	}	1909	}
1318		1910
1319	sub find;	1911	sub find;
1320	sub find {	1912	sub find {
1321	my ($path, $origin) = @_;	1913	my ($path, $origin) = @_;
1322		1914
1323	$path = normalise $path, $origin && $origin->path;	1915	$path = normalise $path, $origin && $origin->path;
1324		1916
		1917	cf::lock_wait "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	1918	cf::lock_wait "map_find:$path";
1326		1919
1327	$cf::MAP{$path} || do {	1920	$cf::MAP{$path} || do {
1328	my $guard = cf::lock_acquire "map_find:$path";	1921	my $guard1 = cf::lock_acquire "map_find:$path";
		1922	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1923
1329	my $map = new_from_path cf::map $path	1924	my $map = new_from_path cf::map $path
1330	or return;	1925	or return;
1331		1926
1332	$map->{last_save} = $cf::RUNTIME;	1927	$map->{last_save} = $cf::RUNTIME;
1333		1928
1334	$map->load_header	1929	$map->load_header
1335	or return;	1930	or return;
1336		1931
1337	if ($map->should_reset) {	1932	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1933	# doing this can freeze the server in a sync job, obviously
		1934	#$cf::WAIT_FOR_TICK->wait;
		1935	undef $guard1;
		1936	undef $guard2;
1338	$map->reset;	1937	$map->reset;
1339	undef $guard;
1340	$map = find $path	1938	return find $path;
1341	or return;
1342	}	1939	}
1343		1940
1344	$cf::MAP{$path} = $map	1941	$cf::MAP{$path} = $map
1345	}	1942	}
1346	}	1943	}
		1944
		1945	sub pre_load { }
		1946	sub post_load { }
1347		1947
1348	sub load {	1948	sub load {
1349	my ($self) = @_;	1949	my ($self) = @_;
1350		1950
		1951	local $self->{deny_reset} = 1; # loading can take a long time
		1952
1351	my $path = $self->{path};	1953	my $path = $self->{path};
		1954
		1955	{
1352	my $guard = cf::lock_acquire "map_load:$path";	1956	my $guard = cf::lock_acquire "map_data:$path";
1353		1957
		1958	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	1959	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		1960
1356	$self->in_memory (cf::MAP_LOADING);	1961	$self->in_memory (cf::MAP_LOADING);
1357		1962
1358	$self->alloc;	1963	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)	1964
		1965	$self->pre_load;
		1966	cf::cede_to_tick;
		1967
		1968	my $f = new_from_file cf::object::thawer $self->{load_path};
		1969	$f->skip_block;
		1970	$self->_load_objects ($f)
1360	or return;	1971	or return;
1361		1972
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1973	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363	if delete $self->{load_original};	1974	if delete $self->{load_original};
1364		1975
1365	if (my $uniq = $self->uniq_path) {	1976	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	1977	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	1978	unless (aio_stat $uniq) {
		1979	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	1980	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	1981	$self->_load_objects ($f);
		1982	$f->resolve_delayed_derefs;
		1983	}
1370	}	1984	}
1371	}	1985	}
1372		1986
1373	Coro::cede;	1987	$f->resolve_delayed_derefs;
1374		1988
		1989	cf::cede_to_tick;
1375	# now do the right thing for maps	1990	# now do the right thing for maps
1376	$self->link_multipart_objects;	1991	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1992	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1993	unless $self->difficulty;
1386	Coro::cede;	1994	cf::cede_to_tick;
		1995
		1996	unless ($self->{deny_activate}) {
		1997	$self->decay_objects;
		1998	$self->fix_auto_apply;
		1999	$self->update_buttons;
		2000	cf::cede_to_tick;
		2001	$self->set_darkness_map;
		2002	cf::cede_to_tick;
1387	$self->activate;	2003	$self->activate;
1388	}	2004	}
1389		2005
		2006	$self->{last_save} = $cf::RUNTIME;
		2007	$self->last_access ($cf::RUNTIME);
		2008
1390	$self->in_memory (cf::MAP_IN_MEMORY);	2009	$self->in_memory (cf::MAP_IN_MEMORY);
		2010	}
		2011
		2012	$self->post_load;
1391	}	2013	}
1392		2014
1393	sub customise_for {	2015	sub customise_for {
1394	my ($self, $ob) = @_;	2016	my ($self, $ob) = @_;
1395		2017
1396	return find "~" . $ob->name . "/" . $self->{path}	2018	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	2019	if $self->per_player;
1398		2020
		2021	# return find "?party/" . $ob->name . "/" . $self->{path}
		2022	# if $self->per_party;
		2023
1399	$self	2024	$self
1400	}	2025	}
1401		2026
1402	# find and load all maps in the 3x3 area around a map	2027	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	2028	sub load_neighbours {
1404	my ($map) = @_;	2029	my ($map) = @_;
1405		2030
1406	my @diag; # diagonal neighbours	2031	my @neigh; # diagonal neighbours
1407		2032
1408	for (0 .. 3) {	2033	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	2034	my $neigh = $map->tile_path ($_)
1410	or next;	2035	or next;
1411	$neigh = find $neigh, $map	2036	$neigh = find $neigh, $map
1412	or next;	2037	or next;
1413	$neigh->load;	2038	$neigh->load;
1414		2039
		2040	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2041	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2042	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	2043	}
1418		2044
1419	for (@diag) {	2045	for (grep defined $_->[0], @neigh) {
		2046	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	2047	my $neigh = find $path, $origin
1421	or next;	2048	or next;
1422	$neigh->load;	2049	$neigh->load;
1423	}	2050	}
1424	}	2051	}
1425		2052
…		…
1430	}	2057	}
1431		2058
1432	sub do_load_sync {	2059	sub do_load_sync {
1433	my ($map) = @_;	2060	my ($map) = @_;
1434		2061
		2062	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2063	if $Coro::current == $Coro::main;
		2064
1435	cf::sync_job { $map->load };	2065	cf::sync_job { $map->load };
1436	}	2066	}
1437		2067
1438	our %MAP_PREFETCH;	2068	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2069	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		2070
1452	sub find_async {	2071	sub find_async {
1453	my ($path, $origin) = @_;	2072	my ($path, $origin, $load) = @_;
1454		2073
1455	$path = normalise $path, $origin && $origin->{path};	2074	$path = normalise $path, $origin && $origin->{path};
1456		2075
1457	if (my $map = $cf::MAP{$path}) {	2076	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2077	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2078	}
		2079
		2080	$MAP_PREFETCH{$path} |= $load;
		2081
		2082	$MAP_PREFETCHER ||= cf::async {
		2083	$Coro::current->{desc} = "map prefetcher";
		2084
		2085	while (%MAP_PREFETCH) {
		2086	while (my ($k, $v) = each %MAP_PREFETCH) {
		2087	if (my $map = find $k) {
		2088	$map->load if $v;
		2089	}
		2090
		2091	delete $MAP_PREFETCH{$k};
		2092	}
		2093	}
		2094	undef $MAP_PREFETCHER;
1459	}	2095	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2096	$MAP_PREFETCHER->prio (6);
1463		2097
1464	()	2098	()
1465	}	2099	}
1466		2100
1467	sub save {	2101	sub save {
1468	my ($self) = @_;	2102	my ($self) = @_;
1469		2103
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2105
1472	$self->{last_save} = $cf::RUNTIME;	2106	$self->{last_save} = $cf::RUNTIME;
1473		2107
1474	return unless $self->dirty;	2108	return unless $self->dirty;
1475		2109
…		…
1481	return if $self->{deny_save};	2115	return if $self->{deny_save};
1482		2116
1483	local $self->{last_access} = $self->last_access;#d#	2117	local $self->{last_access} = $self->last_access;#d#
1484		2118
1485	cf::async {	2119	cf::async {
		2120	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2121	$_->contr->save for $self->players;
1487	};	2122	};
1488		2123
1489	if ($uniq) {	2124	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2125	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1498	my ($self) = @_;	2133	my ($self) = @_;
1499		2134
1500	# save first because save cedes	2135	# save first because save cedes
1501	$self->save;	2136	$self->save;
1502		2137
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2139
1505	return if $self->players;	2140	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2141	return if $self->in_memory != cf::MAP_IN_MEMORY;
1507	return if $self->{deny_save};	2142	return if $self->{deny_save};
1508		2143
		2144	$self->in_memory (cf::MAP_SWAPPED);
		2145
		2146	$self->deactivate;
		2147	$_->clear_links_to ($self) for values %cf::MAP;
1509	$self->clear;	2148	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2149	}
1512		2150
1513	sub reset_at {	2151	sub reset_at {
1514	my ($self) = @_;	2152	my ($self) = @_;
1515		2153
1516	# TODO: safety, remove and allow resettable per-player maps	2154	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2155	return 1e99 if $self->{deny_reset};
1519		2156
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2157	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2158	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2159
…		…
1527	my ($self) = @_;	2164	my ($self) = @_;
1528		2165
1529	$self->reset_at <= $cf::RUNTIME	2166	$self->reset_at <= $cf::RUNTIME
1530	}	2167	}
1531		2168
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2169	sub reset {
1547	my ($self) = @_;	2170	my ($self) = @_;
1548		2171
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2173
1551	return if $self->players;	2174	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2175
1554	warn "resetting map ", $self->path;#d#	2176	warn "resetting map ", $self->path;
		2177
		2178	$self->in_memory (cf::MAP_SWAPPED);
		2179
		2180	# need to save uniques path
		2181	unless ($self->{deny_save}) {
		2182	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2183
		2184	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2185	if $uniq;
		2186	}
1555		2187
1556	delete $cf::MAP{$self->path};	2188	delete $cf::MAP{$self->path};
1557		2189
		2190	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2191	$_->clear_links_to ($self) for values %cf::MAP;
		2192	$self->clear;
1559		2193
1560	$self->unlink_save;	2194	$self->unlink_save;
1561	$self->destroy;	2195	$self->destroy;
1562	}	2196	}
1563		2197
1564	my $nuke_counter = "aaaa";	2198	my $nuke_counter = "aaaa";
1565		2199
1566	sub nuke {	2200	sub nuke {
1567	my ($self) = @_;	2201	my ($self) = @_;
1568		2202
		2203	{
		2204	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2205
		2206	delete $cf::MAP{$self->path};
		2207
		2208	$self->unlink_save;
		2209
		2210	bless $self, "cf::map";
		2211	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2212	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2213	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2214	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2215
		2216	$cf::MAP{$self->path} = $self;
		2217	}
		2218
1572	$self->reset; # polite request, might not happen	2219	$self->reset; # polite request, might not happen
		2220	}
		2221
		2222	=item $maps = cf::map::tmp_maps
		2223
		2224	Returns an arrayref with all map paths of currently instantiated and saved
		2225	maps. May block.
		2226
		2227	=cut
		2228
		2229	sub tmp_maps() {
		2230	[
		2231	map {
		2232	utf8::decode $_;
		2233	/\.map$/
		2234	? normalise $_
		2235	: ()
		2236	} @{ aio_readdir $TMPDIR or [] }
		2237	]
		2238	}
		2239
		2240	=item $maps = cf::map::random_maps
		2241
		2242	Returns an arrayref with all map paths of currently instantiated and saved
		2243	random maps. May block.
		2244
		2245	=cut
		2246
		2247	sub random_maps() {
		2248	[
		2249	map {
		2250	utf8::decode $_;
		2251	/\.map$/
		2252	? normalise "?random/$_"
		2253	: ()
		2254	} @{ aio_readdir $RANDOMDIR or [] }
		2255	]
1573	}	2256	}
1574		2257
1575	=item cf::map::unique_maps	2258	=item cf::map::unique_maps
1576		2259
1577	Returns an arrayref of paths of all shared maps that have	2260	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2261	instantiated unique items. May block.
1579		2262
1580	=cut	2263	=cut
1581		2264
1582	sub unique_maps() {	2265	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2266	[
1584	or return;	2267	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2268	utf8::decode $_;
1590	next if /\.pst$/;	2269	/\.map$/
1591	next unless /^$PATH_SEP/o;	2270	? normalise $_
1592		2271	: ()
1593	push @paths, $_;	2272	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2273	]
1595
1596	\@paths
1597	}	2274	}
1598		2275
1599	package cf;	2276	package cf;
1600		2277
1601	=back	2278	=back
…		…
1619	map { $_, inv_recursive_ $_->inv } @_	2296	map { $_, inv_recursive_ $_->inv } @_
1620	}	2297	}
1621		2298
1622	sub inv_recursive {	2299	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2300	inv_recursive_ inv $_[0]
		2301	}
		2302
		2303	=item $ref = $ob->ref
		2304
		2305	creates and returns a persistent reference to an objetc that can be stored as a string.
		2306
		2307	=item $ob = cf::object::deref ($refstring)
		2308
		2309	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2310	even if the object actually exists. May block.
		2311
		2312	=cut
		2313
		2314	sub deref {
		2315	my ($ref) = @_;
		2316
		2317	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2318	my ($uuid, $name) = ($1, $2);
		2319	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2320	or return;
		2321	$pl->ob->uuid eq $uuid
		2322	or return;
		2323
		2324	$pl->ob
		2325	} else {
		2326	warn "$ref: cannot resolve object reference\n";
		2327	undef
		2328	}
1624	}	2329	}
1625		2330
1626	package cf;	2331	package cf;
1627		2332
1628	=back	2333	=back
…		…
1647		2352
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2353	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2354
1650	if ($self->{record_replies}) {	2355	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2356	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2357
1652	} else {	2358	} else {
		2359	my $pl = $self->contr;
		2360
		2361	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2362	my $dialog = $pl->{npc_dialog};
		2363	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2364
		2365	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2366	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2367	$self->message ($msg, $flags);
		2368	}
1655	}	2369	}
		2370	}
		2371
		2372	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2373
		2374	=cut
		2375
		2376	sub cf::object::send_msg {
		2377	my $pl = shift->contr
		2378	or return;
		2379	$pl->send_msg (@_);
1656	}	2380	}
1657		2381
1658	=item $player_object->may ("access")	2382	=item $player_object->may ("access")
1659		2383
1660	Returns wether the given player is authorized to access resource "access"	2384	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2416	=cut
1693		2417
1694	sub link_map {	2418	sub link_map {
1695	unless ($LINK_MAP) {	2419	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2420	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2421	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2422	$LINK_MAP->load;
1699	}	2423	}
1700		2424
1701	$LINK_MAP	2425	$LINK_MAP
1702	}	2426	}
…		…
1707	$self->deactivate_recursive;	2431	$self->deactivate_recursive;
1708		2432
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2433	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2434
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2435	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2436	if $self->map && $self->map->{path} ne "{link}";
1713		2437
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2438	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2439	}
1716		2440
1717	sub cf::object::player::leave_link {	2441	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2442	my ($self, $map, $x, $y) = @_;
		2443
		2444	return unless $self->contr->active;
1719		2445
1720	my $link_pos = delete $self->{_link_pos};	2446	my $link_pos = delete $self->{_link_pos};
1721		2447
1722	unless ($map) {	2448	unless ($map) {
1723	# restore original map position	2449	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2463	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2464	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2465	if $x <=0 && $y <= 0;
1740		2466
1741	$map->load;	2467	$map->load;
1742	$map->load_diag;	2468	$map->load_neighbours;
1743		2469
1744	return unless $self->contr->active;	2470	return unless $self->contr->active;
1745	$self->activate_recursive;	2471	$self->activate_recursive;
		2472
		2473	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2474	$self->enter_map ($map, $x, $y);
1747	}	2475	}
1748		2476
1749	cf::player->attach (	2477	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2478
1753	# abort map switching before logout	2479	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2480	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2481	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2482	the new (success) or old (failed) map position. In either case, $done will
1757	};	2483	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2484
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2485	=cut
		2486
		2487	our $GOTOGEN;
1784		2488
1785	sub cf::object::player::goto {	2489	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2490	my ($self, $path, $x, $y, $check, $done) = @_;
		2491
		2492	# do generation counting so two concurrent goto's will be executed in-order
		2493	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2494
1788	$self->enter_link;	2495	$self->enter_link;
1789		2496
1790	(async {	2497	(async {
1791	my $map = cf::map::find $path;	2498	$Coro::current->{desc} = "player::goto $path $x $y";
		2499
		2500	# *tag paths override both path and x|y
		2501	if ($path =~ /^\*(.*)$/) {
		2502	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2503	my $ob = $obs[rand @obs];
		2504
		2505	# see if we actually can go there
		2506	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2507	$ob = $obs[rand @obs];
		2508	} else {
		2509	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2510	}
		2511	# else put us there anyways for now #d#
		2512
		2513	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2514	} else {
		2515	($path, $x, $y) = (undef, undef, undef);
		2516	}
		2517	}
		2518
		2519	my $map = eval {
		2520	my $map = defined $path ? cf::map::find $path : undef;
		2521
		2522	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2523	$map = $map->customise_for ($self);
1793		2524	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2525	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2526	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2527	}
1798		2528
		2529	$map
		2530	};
		2531
		2532	if ($@) {
		2533	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2534	LOG llevError | logBacktrace, Carp::longmess $@;
		2535	}
		2536
		2537	if ($gen == $self->{_goto_generation}) {
		2538	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2539	$self->leave_link ($map, $x, $y);
		2540	}
		2541
		2542	$done->() if $done;
1800	})->prio (1);	2543	})->prio (1);
1801	}	2544	}
1802		2545
1803	=item $player_object->enter_exit ($exit_object)	2546	=item $player_object->enter_exit ($exit_object)
1804		2547
…		…
1806		2549
1807	sub parse_random_map_params {	2550	sub parse_random_map_params {
1808	my ($spec) = @_;	2551	my ($spec) = @_;
1809		2552
1810	my $rmp = { # defaults	2553	my $rmp = { # defaults
1811	xsize => 10,	2554	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2555	ysize => (cf::rndm 15, 40),
		2556	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2557	#layout => string,
1813	};	2558	};
1814		2559
1815	for (split /\n/, $spec) {	2560	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2561	my ($k, $v) = split /\s+/, $_, 2;
1817		2562
…		…
1821	$rmp	2566	$rmp
1822	}	2567	}
1823		2568
1824	sub prepare_random_map {	2569	sub prepare_random_map {
1825	my ($exit) = @_;	2570	my ($exit) = @_;
		2571
		2572	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2573
1827	# all this does is basically replace the /! path by	2574	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2575	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2576	# that depends on the exit object
1830		2577
1831	my $rmp = parse_random_map_params $exit->msg;	2578	my $rmp = parse_random_map_params $exit->msg;
1832		2579
1833	if ($exit->map) {	2580	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2581	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2582	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2583	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2584	$rmp->{origin_y} = $exit->y;
1838	}	2585	}
1839		2586
1840	$rmp->{random_seed} ||= $exit->random_seed;	2587	$rmp->{random_seed} ||= $exit->random_seed;
1841		2588
1842	my $data = cf::to_json $rmp;	2589	my $data = cf::to_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2590	my $md5 = Digest::MD5::md5_hex $data;
		2591	my $meta = "$RANDOMDIR/$md5.meta";
1844		2592
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2593	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2594	aio_write $fh, 0, (length $data), $data, 0;
		2595	undef $fh;
		2596	aio_rename "$meta~", $meta;
1847		2597
1848	$exit->slaying ("?random/$md5");	2598	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2599	$exit->msg (undef);
1850	}	2600	}
1851	}	2601	}
…		…
1853	sub cf::object::player::enter_exit {	2603	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2604	my ($self, $exit) = @_;
1855		2605
1856	return unless $self->type == cf::PLAYER;	2606	return unless $self->type == cf::PLAYER;
1857		2607
		2608	if ($exit->slaying eq "/!") {
		2609	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2610	# the problem is that $exit might not survive long enough
		2611	# so it needs to be done right now, right here
		2612	cf::sync_job { prepare_random_map $exit };
		2613	}
		2614
		2615	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2616	my $hp = $exit->stats->hp;
		2617	my $sp = $exit->stats->sp;
		2618
1858	$self->enter_link;	2619	$self->enter_link;
1859		2620
		2621	# if exit is damned, update players death & WoR home-position
		2622	$self->contr->savebed ($slaying, $hp, $sp)
		2623	if $exit->flag (FLAG_DAMNED);
		2624
1860	(async {	2625	(async {
		2626	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2627
1861	$self->deactivate_recursive; # just to be sure	2628	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2629	unless (eval {
1863	prepare_random_map $exit	2630	$self->goto ($slaying, $hp, $sp);
1864	if $exit->slaying eq "/!";
1865
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1868		2631
1869	1;	2632	1;
1870	}) {	2633	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2634	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2635	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2636	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2637	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2638
1876	warn "ERROR in enter_exit: $@";	2639	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2640	$self->leave_link;
1878	}	2641	}
1879	})->prio (1);	2642	})->prio (1);
…		…
1892		2655
1893	sub cf::client::send_drawinfo {	2656	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2657	my ($self, $text, $flags) = @_;
1895		2658
1896	utf8::encode $text;	2659	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2660	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2661	}
1899		2662
		2663	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2664
		2665	Send a drawinfo or msg packet to the client, formatting the msg for the
		2666	client if neccessary. C<$type> should be a string identifying the type of
		2667	the message, with C<log> being the default. If C<$color> is negative, suppress
		2668	the message unless the client supports the msg packet.
		2669
		2670	=cut
		2671
		2672	our %CHANNEL = (
		2673	"c/identify" => {
		2674	id => "infobox",
		2675	title => "Identify",
		2676	reply => undef,
		2677	tooltip => "Items recently identified",
		2678	},
		2679	"c/examine" => {
		2680	id => "infobox",
		2681	title => "Examine",
		2682	reply => undef,
		2683	tooltip => "Signs and other items you examined",
		2684	},
		2685	"c/lookat" => {
		2686	id => "infobox",
		2687	title => "Look",
		2688	reply => undef,
		2689	tooltip => "What you saw there",
		2690	},
		2691	);
		2692
		2693	sub cf::client::send_msg {
		2694	my ($self, $channel, $msg, $color, @extra) = @_;
		2695
		2696	$msg = $self->pl->expand_cfpod ($msg);
		2697
		2698	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2699
		2700	# check predefined channels, for the benefit of C
		2701	if ($CHANNEL{$channel}) {
		2702	$channel = $CHANNEL{$channel};
		2703
		2704	$self->ext_msg (channel_info => $channel)
		2705	if $self->can_msg;
		2706
		2707	$channel = $channel->{id};
		2708
		2709	} elsif (ref $channel) {
		2710	# send meta info to client, if not yet sent
		2711	unless (exists $self->{channel}{$channel->{id}}) {
		2712	$self->{channel}{$channel->{id}} = $channel;
		2713	$self->ext_msg (channel_info => $channel)
		2714	if $self->can_msg;
		2715	}
		2716
		2717	$channel = $channel->{id};
		2718	}
		2719
		2720	return unless @extra || length $msg;
		2721
		2722	if ($self->can_msg) {
		2723	# default colour, mask it out
		2724	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2725	if $color & cf::NDI_DEF;
		2726
		2727	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2728	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2729	} else {
		2730	if ($color >= 0) {
		2731	# replace some tags by gcfclient-compatible ones
		2732	for ($msg) {
		2733	1 while
		2734	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2735	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2736	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2737	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2738	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2739	}
		2740
		2741	$color &= cf::NDI_COLOR_MASK;
		2742
		2743	utf8::encode $msg;
		2744
		2745	if (0 && $msg =~ /\[/) {
		2746	# COMMAND/INFO
		2747	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2748	} else {
		2749	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2750	$self->send_packet ("drawinfo $color $msg")
		2751	}
		2752	}
		2753	}
		2754	}
		2755
		2756	=item $client->ext_msg ($type, @msg)
		2757
		2758	Sends an ext event to the client.
		2759
		2760	=cut
		2761
		2762	sub cf::client::ext_msg($$@) {
		2763	my ($self, $type, @msg) = @_;
		2764
		2765	if ($self->extcmd == 2) {
		2766	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2767	} elsif ($self->extcmd == 1) { # TODO: remove
		2768	push @msg, msgtype => "event_$type";
		2769	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2770	}
		2771	}
		2772
		2773	=item $client->ext_reply ($msgid, @msg)
		2774
		2775	Sends an ext reply to the client.
		2776
		2777	=cut
		2778
		2779	sub cf::client::ext_reply($$@) {
		2780	my ($self, $id, @msg) = @_;
		2781
		2782	if ($self->extcmd == 2) {
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2784	} elsif ($self->extcmd == 1) {
		2785	#TODO: version 1, remove
		2786	unshift @msg, msgtype => "reply", msgid => $id;
		2787	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2788	}
		2789	}
1900		2790
1901	=item $success = $client->query ($flags, "text", \&cb)	2791	=item $success = $client->query ($flags, "text", \&cb)
1902		2792
1903	Queues a query to the client, calling the given callback with	2793	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2794	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2795	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2796
1907	Queries can fail, so check the return code. Or don't, as queries will become	2797	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2798	become reliable at some point in the future.
1909		2799
1910	=cut	2800	=cut
1911		2801
1912	sub cf::client::query {	2802	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2803	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2811	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2812	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2813
1924	$self->send_packet ($self->{query_queue}[0][0])	2814	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2815	if @{ $self->{query_queue} } == 1;
		2816
		2817	1
1926	}	2818	}
1927		2819
1928	cf::client->attach (	2820	cf::client->attach (
		2821	on_connect => sub {
		2822	my ($ns) = @_;
		2823
		2824	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2825	},
1929	on_reply => sub {	2826	on_reply => sub {
1930	my ($ns, $msg) = @_;	2827	my ($ns, $msg) = @_;
1931		2828
1932	# this weird shuffling is so that direct followup queries	2829	# this weird shuffling is so that direct followup queries
1933	# get handled first	2830	# get handled first
1934	my $queue = delete $ns->{query_queue}	2831	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2832	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2833
1937	(shift @$queue)->[1]->($msg);	2834	(shift @$queue)->[1]->($msg);
		2835	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2836
1939	push @{ $ns->{query_queue} }, @$queue;	2837	push @{ $ns->{query_queue} }, @$queue;
1940		2838
1941	if (@{ $ns->{query_queue} } == @$queue) {	2839	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2840	if (@$queue) {
…		…
1944	} else {	2842	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2843	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	2844	}
1947	}	2845	}
1948	},	2846	},
		2847	on_exticmd => sub {
		2848	my ($ns, $buf) = @_;
		2849
		2850	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2851
		2852	if (ref $msg) {
		2853	my ($type, $reply, @payload) =
		2854	"ARRAY" eq ref $msg
		2855	? @$msg
		2856	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2857
		2858	my @reply;
		2859
		2860	if (my $cb = $EXTICMD{$type}) {
		2861	@reply = $cb->($ns, @payload);
		2862	}
		2863
		2864	$ns->ext_reply ($reply, @reply)
		2865	if $reply;
		2866
		2867	} else {
		2868	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2869	}
		2870
		2871	cf::override;
		2872	},
1949	);	2873	);
1950		2874
1951	=item $client->async (\&cb)	2875	=item $client->async (\&cb)
1952		2876
1953	Create a new coroutine, running the specified callback. The coroutine will	2877	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	2918	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	2919	our $safe_hole = new Safe::Hole;
1996		2920
1997	$SIG{FPE} = 'IGNORE';	2921	$SIG{FPE} = 'IGNORE';
1998		2922
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2923	$safe->permit_only (Opcode::opset qw(
		2924	:base_core :base_mem :base_orig :base_math
		2925	grepstart grepwhile mapstart mapwhile
		2926	sort time
		2927	));
2000		2928
2001	# here we export the classes and methods available to script code	2929	# here we export the classes and methods available to script code
2002		2930
2003	=pod	2931	=pod
2004		2932
2005	The following fucntions and emthods are available within a safe environment:	2933	The following functions and methods are available within a safe environment:
2006		2934
2007	cf::object contr pay_amount pay_player map	2935	cf::object
		2936	contr pay_amount pay_player map x y force_find force_add destroy
		2937	insert remove name archname title slaying race decrease_ob_nr
		2938
2008	cf::object::player player	2939	cf::object::player
2009	cf::player peaceful	2940	player
2010	cf::map trigger	2941
		2942	cf::player
		2943	peaceful
		2944
		2945	cf::map
		2946	trigger
2011		2947
2012	=cut	2948	=cut
2013		2949
2014	for (	2950	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	2951	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2952	insert remove inv name archname title slaying race
		2953	decrease_ob_nr destroy)],
2016	["cf::object::player" => qw(player)],	2954	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	2955	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	2956	["cf::map" => qw(trigger)],
2019	) {	2957	) {
2020	no strict 'refs';	2958	no strict 'refs';
…		…
2091	=back	3029	=back
2092		3030
2093	=cut	3031	=cut
2094		3032
2095	#############################################################################	3033	#############################################################################
		3034	# the server's init and main functions
2096		3035
2097	=head2 EXTENSION DATABASE SUPPORT	3036	sub load_facedata($) {
		3037	my ($path) = @_;
2098		3038
2099	Crossfire maintains a very simple database for extension use. It can	3039	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	3040	# for this (global event?)
2101	excludes objects.	3041	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		3042
2103	The parameter C<$family> should best start with the name of the extension	3043	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		3044
2106	=over 4	3045	warn "loading facedata from $path\n";
2107		3046
2108	=item $hashref = cf::db_get $family	3047	my $facedata;
		3048	0 < aio_load $path, $facedata
		3049	or die "$path: $!";
2109		3050
2110	Return a hashref for use by the extension C<$family>, which can be	3051	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		3052
2114	=item $value = cf::db_get $family => $key	3053	$facedata->{version} == 2
		3054	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		3055
2116	Returns a single value from the database	3056	# patch in the exptable
2117		3057	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	3058	type => FT_RSRC,
2119		3059	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	3060	};
		3061	cf::cede_to_tick;
2169		3062
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3063	{
		3064	my $faces = $facedata->{faceinfo};
2174		3065
2175	sub db_get($;$) {	3066	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3067	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}	3068	cf::face::set_visibility $idx, $info->{visibility};
2178	: ($DB->{$_[0]} ||= { })	3069	cf::face::set_magicmap $idx, $info->{magicmap};
2179	}	3070	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3071	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2180		3072
2181	sub db_put($$;$) {	3073	cf::cede_to_tick;
2182	if (@_ >= 3) {
2183	$DB->{$_[0]}{$_[1]} = $_[2];
2184	} else {
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189
2190	cf::global->attach (
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	3074	}
2195	);
2196	}
2197		3075
2198	#############################################################################	3076	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3077	next unless $info->{smooth};
		3078	my $idx = cf::face::find $face
		3079	or next;
		3080	if (my $smooth = cf::face::find $info->{smooth}) {
		3081	cf::face::set_smooth $idx, $smooth;
		3082	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3083	} else {
		3084	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3085	}
2200		3086
2201	sub cfg_load {	3087	cf::cede_to_tick;
		3088	}
		3089	}
		3090
		3091	{
		3092	my $anims = $facedata->{animinfo};
		3093
		3094	while (my ($anim, $info) = each %$anims) {
		3095	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3096	cf::cede_to_tick;
		3097	}
		3098
		3099	cf::anim::invalidate_all; # d'oh
		3100	}
		3101
		3102	{
		3103	# TODO: for gcfclient pleasure, we should give resources
		3104	# that gcfclient doesn't grok a >10000 face index.
		3105	my $res = $facedata->{resource};
		3106
		3107	my $soundconf = delete $res->{"res/sound.conf"};
		3108
		3109	while (my ($name, $info) = each %$res) {
		3110	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3111	my $data;
		3112
		3113	if ($info->{type} & 1) {
		3114	# prepend meta info
		3115
		3116	my $meta = $enc->encode ({
		3117	name => $name,
		3118	%{ $info->{meta} || {} },
		3119	});
		3120
		3121	$data = pack "(w/a*)*", $meta, $info->{data};
		3122	} else {
		3123	$data = $info->{data};
		3124	}
		3125
		3126	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3127	cf::face::set_type $idx, $info->{type};
		3128
		3129	cf::cede_to_tick;
		3130	}
		3131
		3132	if ($soundconf) {
		3133	$soundconf = $enc->decode (delete $soundconf->{data});
		3134
		3135	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3136	my $sound = $soundconf->{compat}[$_]
		3137	or next;
		3138
		3139	my $face = cf::face::find "sound/$sound->[1]";
		3140	cf::sound::set $sound->[0] => $face;
		3141	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3142	}
		3143
		3144	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3145	my $face = cf::face::find "sound/$v";
		3146	cf::sound::set $k => $face;
		3147	}
		3148	}
		3149	}
		3150
		3151	1
		3152	}
		3153
		3154	register_exticmd fx_want => sub {
		3155	my ($ns, $want) = @_;
		3156
		3157	while (my ($k, $v) = each %$want) {
		3158	$ns->fx_want ($k, $v);
		3159	}
		3160	};
		3161
		3162	sub reload_regions {
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	load_resource_file "$MAPDIR/regions"
		3168	or die "unable to load regions file\n";
		3169
		3170	for (cf::region::list) {
		3171	$_->{match} = qr/$_->{match}/
		3172	if exists $_->{match};
		3173	}
		3174	}
		3175
		3176	sub reload_facedata {
		3177	load_facedata "$DATADIR/facedata"
		3178	or die "unable to load facedata\n";
		3179	}
		3180
		3181	sub reload_archetypes {
		3182	load_resource_file "$DATADIR/archetypes"
		3183	or die "unable to load archetypes\n";
		3184	#d# NEED to laod twice to resolve forward references
		3185	# this really needs to be done in an extra post-pass
		3186	# (which needs to be synchronous, so solve it differently)
		3187	load_resource_file "$DATADIR/archetypes"
		3188	or die "unable to load archetypes\n";
		3189	}
		3190
		3191	sub reload_treasures {
		3192	load_resource_file "$DATADIR/treasures"
		3193	or die "unable to load treasurelists\n";
		3194	}
		3195
		3196	sub reload_resources {
		3197	warn "reloading resource files...\n";
		3198
		3199	reload_regions;
		3200	reload_facedata;
		3201	#reload_archetypes;#d#
		3202	reload_archetypes;
		3203	reload_treasures;
		3204
		3205	warn "finished reloading resource files\n";
		3206	}
		3207
		3208	sub init {
		3209	reload_resources;
		3210	}
		3211
		3212	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3213	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3214	or return;
2204		3215
2205	local $/;	3216	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3217	*CFG = YAML::Syck::Load <$fh>;
2207		3218
…		…
2221		3232
2222	sub main {	3233	sub main {
2223	# we must not ever block the main coroutine	3234	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3235	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3237	(async {
		3238	$Coro::current->{desc} = "IDLE BUG HANDLER";
2226	async { Event::one_event };	3239	Event::one_event;
		3240	})->prio (Coro::PRIO_MAX);
2227	};	3241	};
2228		3242
2229	cfg_load;	3243	reload_config;
2230	db_load;	3244	db_init;
2231	load_extensions;	3245	load_extensions;
		3246
		3247	$TICK_WATCHER->start;
2232	Event::loop;	3248	Event::loop;
2233	}	3249	}
2234		3250
2235	#############################################################################	3251	#############################################################################
2236	# initialisation and cleanup	3252	# initialisation and cleanup
2237		3253
2238	# install some emergency cleanup handlers	3254	# install some emergency cleanup handlers
2239	BEGIN {	3255	BEGIN {
2240	for my $signal (qw(INT HUP TERM)) {	3256	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3257	Event->signal (
		3258	reentrant => 0,
2242	data => WF_AUTOCANCEL,	3259	data => WF_AUTOCANCEL,
2243	signal => $signal,	3260	signal => $signal,
		3261	prio => 0,
2244	cb => sub {	3262	cb => sub {
2245	cf::cleanup "SIG$signal";	3263	cf::cleanup "SIG$signal";
2246	},	3264	},
2247	);	3265	);
2248	}	3266	}
2249	}	3267	}
2250		3268
		3269	sub write_runtime {
		3270	my $runtime = "$LOCALDIR/runtime";
		3271
		3272	# first touch the runtime file to show we are still running:
		3273	# the fsync below can take a very very long time.
		3274
		3275	IO::AIO::aio_utime $runtime, undef, undef;
		3276
		3277	my $guard = cf::lock_acquire "write_runtime";
		3278
		3279	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3280	or return;
		3281
		3282	my $value = $cf::RUNTIME + 90 + 10;
		3283	# 10 is the runtime save interval, for a monotonic clock
		3284	# 60 allows for the watchdog to kill the server.
		3285
		3286	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3287	and return;
		3288
		3289	# always fsync - this file is important
		3290	aio_fsync $fh
		3291	and return;
		3292
		3293	# touch it again to show we are up-to-date
		3294	aio_utime $fh, undef, undef;
		3295
		3296	close $fh
		3297	or return;
		3298
		3299	aio_rename "$runtime~", $runtime
		3300	and return;
		3301
		3302	warn "runtime file written.\n";
		3303
		3304	1
		3305	}
		3306
2251	sub emergency_save() {	3307	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3308	my $freeze_guard = cf::freeze_mainloop;
2253		3309
2254	warn "enter emergency perl save\n";	3310	warn "enter emergency perl save\n";
2255		3311
2256	cf::sync_job {	3312	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3313	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3314	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3315	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3316	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3317	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3318	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3319	$pl->valid or next;
		3320	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2264	$pl->save;	3321	$pl->save;
2265	}	3322	}
2266	warn "end emergency player save\n";	3323	warn "end emergency player save\n";
2267		3324
2268	warn "begin emergency map save\n";	3325	warn "begin emergency map save\n";
…		…
2270	my $map = $cf::MAP{$path} or next;	3327	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3328	$map->valid or next;
2272	$map->save;	3329	$map->save;
2273	}	3330	}
2274	warn "end emergency map save\n";	3331	warn "end emergency map save\n";
		3332
		3333	warn "begin emergency database checkpoint\n";
		3334	BDB::db_env_txn_checkpoint $DB_ENV;
		3335	warn "end emergency database checkpoint\n";
2275	};	3336	};
2276		3337
2277	warn "leave emergency perl save\n";	3338	warn "leave emergency perl save\n";
2278	}	3339	}
2279		3340
		3341	sub post_cleanup {
		3342	my ($make_core) = @_;
		3343
		3344	warn Carp::longmess "post_cleanup backtrace"
		3345	if $make_core;
		3346	}
		3347
2280	sub reload() {	3348	sub do_reload_perl() {
2281	# can/must only be called in main	3349	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3350	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3351	warn "can only reload from main coroutine";
2284	return;	3352	return;
2285	}	3353	}
2286		3354
2287	warn "reloading...";	3355	warn "reloading...";
2288		3356
2289	warn "freezing server";	3357	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3358
		3359	cf::sync_job {
		3360	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	3361	cf::emergency_save;
		3362	cf::write_runtime; # external watchdog should not bark
2292		3363
2293	warn "sync database to disk";	3364	warn "syncing database to disk";
2294	cf::db_sync;	3365	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3366
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3367	# if anything goes wrong in here, we should simply crash as we already saved
2299		3368
2300	warn "cancel all watchers";	3369	warn "cancelling all WF_AUTOCANCEL watchers";
2301	for (Event::all_watchers) {	3370	for (Event::all_watchers) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3371	$_->cancel if $_->data & WF_AUTOCANCEL;
2303	}	3372	}
2304		3373
		3374	warn "flushing outstanding aio requests";
		3375	for (;;) {
		3376	BDB::flush;
		3377	IO::AIO::flush;
		3378	Coro::cede_notself;
		3379	last unless IO::AIO::nreqs || BDB::nreqs;
		3380	warn "iterate...";
		3381	}
		3382
		3383	++$RELOAD;
		3384
2305	warn "cancel all extension coros";	3385	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3386	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3387	%EXT_CORO = ();
2308		3388
2309	warn "remove commands";	3389	warn "removing commands";
2310	%COMMAND = ();	3390	%COMMAND = ();
2311		3391
2312	warn "remove ext commands";	3392	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3393	%EXTCMD = ();
		3394	%EXTICMD = ();
2314		3395
2315	warn "unload/nuke all extensions";	3396	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3397	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3398	warn "... unloading $pkg";
2318		3399
2319	if (my $cb = $pkg->can ("unload")) {	3400	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3401	eval {
…		…
2325		3406
2326	warn "... nuking $pkg";	3407	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3408	Symbol::delete_package $pkg;
2328	}	3409	}
2329		3410
2330	warn "unload all perl modules loaded from $LIBDIR";	3411	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3412	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3413	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3414
2334	warn "removing <$k>";	3415	warn "... unloading $k";
2335	delete $INC{$k};	3416	delete $INC{$k};
2336		3417
2337	$k =~ s/\.pm$//;	3418	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3419	$k =~ s/\//::/g;
2339		3420
…		…
2342	}	3423	}
2343		3424
2344	Symbol::delete_package $k;	3425	Symbol::delete_package $k;
2345	}	3426	}
2346		3427
2347	warn "get rid of safe::, as good as possible";	3428	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3429	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3430	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3431
2351	warn "unload cf.pm \"a bit\"";	3432	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3433	delete $INC{"cf.pm"};
		3434	delete $INC{"cf/pod.pm"};
2353		3435
2354	# don't, removes xs symbols, too,	3436	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3437	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3438	#Symbol::delete_package __PACKAGE__;
2357		3439
		3440	warn "unload completed, starting to reload now";
		3441
2358	warn "reloading cf.pm";	3442	warn "reloading cf.pm";
2359	require cf;	3443	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3445
2362	warn "load config and database again";	3446	warn "loading config and database again";
2363	cf::cfg_load;	3447	cf::reload_config;
2364	cf::db_load;
2365		3448
2366	warn "load extensions";	3449	warn "loading extensions";
2367	cf::load_extensions;	3450	cf::load_extensions;
2368		3451
2369	warn "reattach attachments to objects/players";	3452	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3453	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3454	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3455	reattach $_ for values %MAP;
2373	};	3456	warn "reattaching attachments to players";
		3457	reattach $_ for values %PLAYER;
2374		3458
2375	if ($@) {	3459	warn "leaving sync_job";
		3460
		3461	1
		3462	} or do {
2376	warn $@;	3463	warn $@;
2377	warn "error while reloading, exiting.";	3464	warn "error while reloading, exiting.";
2378	exit 1;	3465	exit 1;
2379	}	3466	};
2380		3467
2381	warn "reloaded";	3468	warn "reloaded";
2382	};	3469	};
2383		3470
		3471	our $RELOAD_WATCHER; # used only during reload
		3472
		3473	sub reload_perl() {
		3474	# doing reload synchronously and two reloads happen back-to-back,
		3475	# coro crashes during coro_state_free->destroy here.
		3476
		3477	$RELOAD_WATCHER ||= Event->timer (
		3478	reentrant => 0,
		3479	after => 0,
		3480	data => WF_AUTOCANCEL,
		3481	cb => sub {
		3482	do_reload_perl;
		3483	undef $RELOAD_WATCHER;
		3484	},
		3485	);
		3486	}
		3487
2384	register_command "reload" => sub {	3488	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3489	my ($who, $arg) = @_;
2386		3490
2387	if ($who->flag (FLAG_WIZ)) {	3491	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3492	$who->message ("reloading server.");
		3493	async {
		3494	$Coro::current->{desc} = "perl_reload";
		3495	reload_perl;
		3496	};
2391	}	3497	}
2392	};	3498	};
2393		3499
2394	unshift @INC, $LIBDIR;	3500	unshift @INC, $LIBDIR;
		3501
		3502	my $bug_warning = 0;
		3503
		3504	our @WAIT_FOR_TICK;
		3505	our @WAIT_FOR_TICK_BEGIN;
		3506
		3507	sub wait_for_tick {
		3508	return unless $TICK_WATCHER->is_active;
		3509	return if $Coro::current == $Coro::main;
		3510
		3511	my $signal = new Coro::Signal;
		3512	push @WAIT_FOR_TICK, $signal;
		3513	$signal->wait;
		3514	}
		3515
		3516	sub wait_for_tick_begin {
		3517	return unless $TICK_WATCHER->is_active;
		3518	return if $Coro::current == $Coro::main;
		3519
		3520	my $signal = new Coro::Signal;
		3521	push @WAIT_FOR_TICK_BEGIN, $signal;
		3522	$signal->wait;
		3523	}
2395		3524
2396	$TICK_WATCHER = Event->timer (	3525	$TICK_WATCHER = Event->timer (
2397	reentrant => 0,	3526	reentrant => 0,
		3527	parked => 1,
2398	prio => 0,	3528	prio => 0,
2399	at => $NEXT_TICK || $TICK,	3529	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,	3530	data => WF_AUTOCANCEL,
2401	cb => sub {	3531	cb => sub {
		3532	if ($Coro::current != $Coro::main) {
		3533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3534	unless ++$bug_warning > 10;
		3535	return;
		3536	}
		3537
2402	$NOW = Event::time;	3538	$NOW = $tick_start = Event::time;
2403		3539
2404	cf::server_tick; # one server iteration	3540	cf::server_tick; # one server iteration
		3541
2405	$RUNTIME += $TICK;	3542	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;	3543	$NEXT_TICK += $TICK;
2407		3544
2408	$WAIT_FOR_TICK->broadcast;	3545	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3546	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3547	Coro::async_pool {
		3548	$Coro::current->{desc} = "runtime saver";
		3549	write_runtime
		3550	or warn "ERROR: unable to write runtime file: $!";
		3551	};
		3552	}
		3553
		3554	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3555	$sig->send;
		3556	}
		3557	while (my $sig = shift @WAIT_FOR_TICK) {
		3558	$sig->send;
		3559	}
		3560
		3561	$NOW = Event::time;
2410		3562
2411	# if we are delayed by four ticks or more, skip them all	3563	# if we are delayed by four ticks or more, skip them all
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3564	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2413		3565
2414	$TICK_WATCHER->at ($NEXT_TICK);	3566	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;	3567	$TICK_WATCHER->start;
		3568
		3569	$LOAD = ($NOW - $tick_start) / $TICK;
		3570	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3571
		3572	_post_tick;
2416	},	3573	},
2417	);	3574	);
2418		3575
		3576	{
		3577	BDB::min_parallel 8;
2419	IO::AIO::max_poll_time $TICK * 0.2;	3578	BDB::max_poll_time $TICK * 0.1;
2420		3579	$BDB_POLL_WATCHER = Event->io (
2421	Event->io (	3580	reentrant => 0,
2422	fd => IO::AIO::poll_fileno,	3581	fd => BDB::poll_fileno,
2423	poll => 'r',	3582	poll => 'r',
2424	prio => 5,	3583	prio => 0,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,	3584	data => WF_AUTOCANCEL,
		3585	cb => \&BDB::poll_cb,
		3586	);
		3587
		3588	BDB::set_sync_prepare {
		3589	my $status;
		3590	my $current = $Coro::current;
		3591	(
		3592	sub {
		3593	$status = $!;
		3594	$current->ready; undef $current;
		3595	},
		3596	sub {
		3597	Coro::schedule while defined $current;
		3598	$! = $status;
		3599	},
		3600	)
		3601	};
		3602
		3603	unless ($DB_ENV) {
		3604	$DB_ENV = BDB::db_env_create;
		3605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3606	| BDB::LOG_AUTOREMOVE, 1);
		3607	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3608	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3609
		3610	cf::sync_job {
		3611	eval {
		3612	BDB::db_env_open
		3613	$DB_ENV,
		3614	$BDBDIR,
		3615	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3616	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3617	0666;
		3618
		3619	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3620	};
		3621
		3622	cf::cleanup "db_env_open(db): $@" if $@;
		3623	};
		3624	}
		3625
		3626	$BDB_DEADLOCK_WATCHER = Event->timer (
2431	after => 0,	3627	after => 3,
2432	interval => 10,	3628	interval => 1,
		3629	hard => 1,
		3630	prio => 0,
		3631	data => WF_AUTOCANCEL,
2433	cb => sub {	3632	cb => sub {
2434	(Coro::unblock_sub {	3633	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
2435	write_runtime	3634	},
2436	or warn "ERROR: unable to write runtime file: $!";	3635	);
		3636	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3637	after => 11,
		3638	interval => 60,
		3639	hard => 1,
		3640	prio => 0,
		3641	data => WF_AUTOCANCEL,
		3642	cb => sub {
		3643	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3644	},
		3645	);
		3646	$BDB_TRICKLE_WATCHER = Event->timer (
		3647	after => 5,
		3648	interval => 10,
		3649	hard => 1,
		3650	prio => 0,
		3651	data => WF_AUTOCANCEL,
		3652	cb => sub {
		3653	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3654	},
		3655	);
		3656	}
		3657
		3658	{
		3659	IO::AIO::min_parallel 8;
		3660
		3661	undef $Coro::AIO::WATCHER;
		3662	IO::AIO::max_poll_time $TICK * 0.1;
		3663	$AIO_POLL_WATCHER = Event->io (
		3664	reentrant => 0,
		3665	data => WF_AUTOCANCEL,
		3666	fd => IO::AIO::poll_fileno,
		3667	poll => 'r',
		3668	prio => 0,
		3669	cb => \&IO::AIO::poll_cb,
		3670	);
		3671	}
		3672
		3673	my $_log_backtrace;
		3674
		3675	sub _log_backtrace {
		3676	my ($msg, @addr) = @_;
		3677
		3678	$msg =~ s/\n//;
		3679
		3680	# limit the # of concurrent backtraces
		3681	if ($_log_backtrace < 2) {
		3682	++$_log_backtrace;
		3683	async {
		3684	$Coro::current->{desc} = "abt $msg";
		3685
		3686	my @bt = fork_call {
		3687	@addr = map { sprintf "%x", $_ } @addr;
		3688	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3689	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3690	or die "addr2line: $!";
		3691
		3692	my @funcs;
		3693	my @res = <$fh>;
		3694	chomp for @res;
		3695	while (@res) {
		3696	my ($func, $line) = splice @res, 0, 2, ();
		3697	push @funcs, "[$func] $line";
		3698	}
		3699
		3700	@funcs
		3701	};
		3702
		3703	LOG llevInfo, "[ABT] $msg\n";
		3704	LOG llevInfo, "[ABT] $_\n" for @bt;
		3705	--$_log_backtrace;
2437	})->();	3706	};
		3707	} else {
		3708	LOG llevInfo, "[ABT] $msg\n";
		3709	LOG llevInfo, "[ABT] [suppressed]\n";
2438	},	3710	}
2439	);	3711	}
		3712
		3713	# load additional modules
		3714	use cf::pod;
2440		3715
2441	END { cf::emergency_save }	3716	END { cf::emergency_save }
2442		3717
2443	1	3718	1
2444		3719

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