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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 1.390 by root, Thu Oct 25 09:01:24 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::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;
		1126
786	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
787	}	1129	}
788		1130
		1131	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
791	return ($data, $av);	1135	($data, $av)
792	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
793		1143
794	#############################################################################	1144	#############################################################################
795	# command handling &c	1145	# command handling &c
796		1146
797	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1161	}
812		1162
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1164
815	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
816		1170
817	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
818	called.	1172	called.
819		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
820	=cut	1185	=cut
821		1186
822	sub register_extcmd {	1187	sub register_extcmd {
823	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
824		1189
825	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
826	}	1197	}
827		1198
828	cf::player->attach (	1199	cf::player->attach (
829	on_command => sub {	1200	on_command => sub {
830	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1210	cf::override;
840	},	1211	},
841	on_extcmd => sub {	1212	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
843		1214
844	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1216
846	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
852	} else {	1232	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1234	}
855		1235
856	cf::override;	1236	cf::override;
857	},	1237	},
858	);	1238	);
859		1239
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 {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
895	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1245	next unless -r $path;
897	eval {	1246
898	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
899	1	1304	}
900	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
901	}	1310	};
902	}	1311	}
903		1312
904	#############################################################################	1313	#############################################################################
905	# load/save/clean perl data associated with a map
906		1314
907	*cf::mapsupport::on_clean = sub {	1315	=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		1316
920	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
921		1318
922	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
923		1320
…		…
929		1326
930	=head3 cf::player	1327	=head3 cf::player
931		1328
932	=over 4	1329	=over 4
933		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
		1344
934	=item cf::player::find $login	1345	=item cf::player::find $login
935		1346
936	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
937		1348
938	=cut	1349	=cut
939		1350
940	sub playerdir($) {	1351	sub playerdir($) {
941	cf::localdir	1352	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1354	}
947		1355
948	sub path($) {	1356	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1358
951	(playerdir $login) . "/$login.pl"	1359	(playerdir $login) . "/playerdata"
952	}	1360	}
953		1361
954	sub find_active($) {	1362	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1363	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1364	and $cf::PLAYER{$_[0]}->active
…		…
959		1367
960	sub exists($) {	1368	sub exists($) {
961	my ($login) = @_;	1369	my ($login) = @_;
962		1370
963	$cf::PLAYER{$login}	1371	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1372	or cf::sync_job { !aio_stat path $login }
965	}	1373	}
966		1374
967	sub find($) {	1375	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1376	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1377	my $login = $_[0];
970		1378
971	my $guard = cf::lock_acquire "user_find:$login";	1379	my $guard = cf::lock_acquire "user_find:$login";
972		1380
973	$cf::PLAYER{$_[0]} || do {	1381	$cf::PLAYER{$_[0]} || do {
974	my $pl = load_pl path $login	1382	# rename old playerfiles to new ones
		1383	#TODO: remove when no longer required
		1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1387	aio_unlink +(playerdir $login) . "/$login.pl";
		1388
		1389	my $f = new_from_file cf::object::thawer path $login
975	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
976	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
977	}	1397	}
978	}	1398	}
979	}	1399	}
980		1400
…		…
990		1410
991	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
993		1413
994	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
995	Coro::cede;	1415	cf::cede_to_tick;
996	}	1416	}
997		1417
998	sub new($) {	1418	sub new($) {
999	my ($login) = @_;	1419	my ($login) = @_;
1000		1420
…		…
1006	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1007		1427
1008	$self	1428	$self
1009	}	1429	}
1010		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
		1439	}
		1440
1011	=item $pl->quit_character	1441	=item $pl->quit_character
1012		1442
1013	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1444	be destroyed. May block for a long time.
1015		1445
1016	=cut	1446	=cut
1017		1447
1018	sub quit_character {	1448	sub quit_character {
1019	my ($pl) = @_;	1449	my ($pl) = @_;
		1450
		1451	my $name = $pl->ob->name;
1020		1452
1021	$pl->{deny_save} = 1;	1453	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1454	$pl->password ("*"); # this should lock out the player until we nuked the dir
1023		1455
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1461	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1462	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1463	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1464	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1465	$pl->destroy;
		1466
		1467	my $prefix = qr<^~\Q$name\E/>;
		1468
		1469	# nuke player maps
		1470	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1471
1034	IO::AIO::aio_rmtree $temp;	1472	IO::AIO::aio_rmtree $temp;
		1473	}
		1474
		1475	=item $pl->kick
		1476
		1477	Kicks a player out of the game. This destroys the connection.
		1478
		1479	=cut
		1480
		1481	sub kick {
		1482	my ($pl, $kicker) = @_;
		1483
		1484	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1485	$pl->killer ("kicked");
		1486	$pl->ns->destroy;
1035	}	1487	}
1036		1488
1037	=item cf::player::list_logins	1489	=item cf::player::list_logins
1038		1490
1039	Returns am arrayref of all valid playernames in the system, can take a	1491	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1041		1493
1042	=cut	1494	=cut
1043		1495
1044	sub list_logins {	1496	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1498	or return [];
1047		1499
1048	my @logins;	1500	my @logins;
1049		1501
1050	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1054		1511
1055	utf8::decode $login;	1512	utf8::decode $login;
1056	push @logins, $login;	1513	push @logins, $login;
1057	}	1514	}
1058		1515
…		…
1066		1523
1067	=cut	1524	=cut
1068		1525
1069	sub maps($) {	1526	sub maps($) {
1070	my ($pl) = @_;	1527	my ($pl) = @_;
		1528
		1529	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1530
1072	my $files = aio_readdir playerdir $pl	1531	my $files = aio_readdir playerdir $pl
1073	or return;	1532	or return;
1074		1533
1075	my @paths;	1534	my @paths;
…		…
1077	for (@$files) {	1536	for (@$files) {
1078	utf8::decode $_;	1537	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1538	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1539	next unless /^$PATH_SEP/o;
1081		1540
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1541	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1542	}
1084		1543
1085	\@paths	1544	\@paths
1086	}	1545	}
1087		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	sub expand_cfpod {
		1554	((my $self), (local $_)) = @_;
		1555
		1556	# escape & and <
		1557	s/&/&amp;/g;
		1558	s/(?<![BIUGHT])</&lt;/g;
		1559
		1560	# this is buggy, it needs to properly take care of nested <'s
		1561
		1562	1 while
		1563	# replace B<>, I<>, U<> etc.
		1564	s/B<([^\>]*)>/<b>$1<\/b>/
		1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1568	# replace G<male|female> tags
		1569	|| s{G<([^>|]*)\|([^>]*)>}{
		1570	$self->gender ? $2 : $1
		1571	}ge
		1572	# replace H<hint text>
		1573	|| s{H<([^\>]*)>}
		1574	{
		1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1577	"")
		1578	[$self->{hintmode}]
		1579	}ge;
		1580
		1581	# create single paragraphs (very hackish)
		1582	s/(?<=\S)\n(?=\w)/ /g;
		1583
		1584	# compress some whitespace
		1585	s/\s+\n/\n/g; # ws line-ends
		1586	s/\n\n+/\n/g; # double lines
		1587	s/^\n+//; # beginning lines
		1588	s/\n+$//; # ending lines
		1589
		1590	$_
		1591	}
		1592
		1593	sub hintmode {
		1594	$_[0]{hintmode} = $_[1] if @_ > 1;
		1595	$_[0]{hintmode}
		1596	}
		1597
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1089		1599
1090	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1091		1601
1092	=cut	1602	=cut
1093		1603
1094	sub ext_reply($$$%) {	1604	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1096		1606
1097	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1608	}
1101		1609
1102	package cf;	1610	=item $player->ext_msg ($type, @msg)
		1611
		1612	Sends an ext event to the client.
		1613
		1614	=cut
		1615
		1616	sub ext_msg($$@) {
		1617	my ($self, $type, @msg) = @_;
		1618
		1619	$self->ns->ext_msg ($type, @msg);
		1620	}
		1621
		1622	=head3 cf::region
		1623
		1624	=over 4
		1625
		1626	=cut
		1627
		1628	package cf::region;
		1629
		1630	=item cf::region::find_by_path $path
		1631
		1632	Tries to decuce the likely region for a map knowing only its path.
		1633
		1634	=cut
		1635
		1636	sub find_by_path($) {
		1637	my ($path) = @_;
		1638
		1639	my ($match, $specificity);
		1640
		1641	for my $region (list) {
		1642	if ($region->{match} && $path =~ $region->{match}) {
		1643	($match, $specificity) = ($region, $region->specificity)
		1644	if $region->specificity > $specificity;
		1645	}
		1646	}
		1647
		1648	$match
		1649	}
1103		1650
1104	=back	1651	=back
1105
1106		1652
1107	=head3 cf::map	1653	=head3 cf::map
1108		1654
1109	=over 4	1655	=over 4
1110		1656
…		…
1114		1660
1115	use Fcntl;	1661	use Fcntl;
1116	use Coro::AIO;	1662	use Coro::AIO;
1117		1663
1118	use overload	1664	use overload
1119	'""' => \&as_string;	1665	'""' => \&as_string,
		1666	fallback => 1;
1120		1667
1121	our $MAX_RESET = 3600;	1668	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1669	our $DEFAULT_RESET = 3000;
1123		1670
1124	sub generate_random_map {	1671	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1672	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1673	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1674	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1675	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1676	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1677	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1684	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1685	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1686	)
1141	}	1687	}
1142		1688
		1689	=item cf::map->register ($regex, $prio)
		1690
		1691	Register a handler for the map path matching the given regex at the
		1692	givne priority (higher is better, built-in handlers have priority 0, the
		1693	default).
		1694
		1695	=cut
		1696
1143	sub register {	1697	sub register {
1144	my (undef, $regex) = @_;	1698	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1699	my $pkg = caller;
1146		1700
1147	no strict;	1701	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1702	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1703
1150	$EXT_MAP{$pkg} = qr<$regex>;	1704	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1705	}
1152		1706
1153	# also paths starting with '/'	1707	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1708	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1709
		1710	sub thawer_merge {
		1711	my ($self, $merge) = @_;
		1712
		1713	# we have to keep some variables in memory intact
		1714	local $self->{path};
		1715	local $self->{load_path};
		1716
		1717	$self->SUPER::thawer_merge ($merge);
		1718	}
1155		1719
1156	sub normalise {	1720	sub normalise {
1157	my ($path, $base) = @_;	1721	my ($path, $base) = @_;
		1722
		1723	$path = "$path"; # make sure its a string
		1724
		1725	$path =~ s/\.map$//;
1158		1726
1159	# map plan:	1727	# map plan:
1160	#	1728	#
1161	# /! non-realised random map exit (special hack!)	1729	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1730	# {... are special paths that are not being touched
…		…
1190		1758
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1759	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1760
1193	$path = normalise $path, $base;	1761	$path = normalise $path, $base;
1194		1762
1195	for my $pkg (keys %EXT_MAP) {	1763	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1764	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1765	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1766	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1200	return $self;	1768	return $self;
1201	}	1769	}
1202	}	1770	}
1203		1771
1204	Carp::carp "unable to resolve path '$path'.";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1773	()
1206	}	1774	}
1207		1775
1208	sub init {	1776	sub init {
1209	my ($self) = @_;	1777	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1788	# the displayed name, this is a one way mapping
1221	sub visible_name {	1789	sub visible_name {
1222	&as_string	1790	&as_string
1223	}	1791	}
1224		1792
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1793	# the original (read-only) location
1233	sub load_path {	1794	sub load_path {
1234	my ($self) = @_;	1795	my ($self) = @_;
1235		1796
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1797	"$MAPDIR/$self->{path}.map"
1237	}	1798	}
1238		1799
1239	# the temporary/swap location	1800	# the temporary/swap location
1240	sub save_path {	1801	sub save_path {
1241	my ($self) = @_;	1802	my ($self) = @_;
1242		1803
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1805	"$TMPDIR/$path.map"
1244	}	1806	}
1245		1807
1246	# the unique path, undef == no special unique path	1808	# the unique path, undef == no special unique path
1247	sub uniq_path {	1809	sub uniq_path {
1248	my ($self) = @_;	1810	my ($self) = @_;
1249		1811
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1813	"$UNIQUEDIR/$path"
1251	}	1814	}
1252		1815
1253	# and all this just because we cannot iterate over	1816	# and all this just because we cannot iterate over
1254	# all maps in C++...	1817	# all maps in C++...
1255	sub change_all_map_light {	1818	sub change_all_map_light {
…		…
1257		1820
1258	$_->change_map_light ($change)	1821	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1822	for grep $_->outdoor, values %cf::MAP;
1260	}	1823	}
1261		1824
		1825	sub decay_objects {
		1826	my ($self) = @_;
		1827
		1828	return if $self->{deny_reset};
		1829
		1830	$self->do_decay_objects;
		1831	}
		1832
1262	sub unlink_save {	1833	sub unlink_save {
1263	my ($self) = @_;	1834	my ($self) = @_;
1264		1835
1265	utf8::encode (my $save = $self->save_path);	1836	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1837	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1838	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1839	}
1269		1840
1270	sub load_header_from($) {	1841	sub load_header_from($) {
1271	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1272		1843
1273	utf8::encode $path;	1844	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1275	or return;	1846	or return;
1276		1847
1277	$self->_load_header ($path)	1848	$self->_load_header ($f)
1278	or return;	1849	or return;
1279		1850
		1851	local $MAP_LOADING{$self->{path}} = $self;
		1852	$f->resolve_delayed_derefs;
		1853
1280	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1281		1855
1282	1	1856	1
1283	}	1857	}
1284		1858
1285	sub load_orig {	1859	sub load_header_orig {
1286	my ($self) = @_;	1860	my ($self) = @_;
1287		1861
1288	$self->load_header_from ($self->load_path)	1862	$self->load_header_from ($self->load_path)
1289	}	1863	}
1290		1864
1291	sub load_temp {	1865	sub load_header_temp {
1292	my ($self) = @_;	1866	my ($self) = @_;
1293		1867
1294	$self->load_header_from ($self->save_path)	1868	$self->load_header_from ($self->save_path)
		1869	}
		1870
		1871	sub prepare_temp {
		1872	my ($self) = @_;
		1873
		1874	$self->last_access ((delete $self->{last_access})
		1875	|| $cf::RUNTIME); #d#
		1876	# safety
		1877	$self->{instantiate_time} = $cf::RUNTIME
		1878	if $self->{instantiate_time} > $cf::RUNTIME;
		1879	}
		1880
		1881	sub prepare_orig {
		1882	my ($self) = @_;
		1883
		1884	$self->{load_original} = 1;
		1885	$self->{instantiate_time} = $cf::RUNTIME;
		1886	$self->last_access ($cf::RUNTIME);
		1887	$self->instantiate;
1295	}	1888	}
1296		1889
1297	sub load_header {	1890	sub load_header {
1298	my ($self) = @_;	1891	my ($self) = @_;
1299		1892
1300	if ($self->load_temp) {	1893	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1894	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1895	} else {
1307	$self->load_orig	1896	$self->load_header_orig
1308	or return;	1897	or return;
1309		1898	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1899	}
		1900
		1901	$self->{deny_reset} = 1
		1902	if $self->no_reset;
		1903
		1904	$self->default_region (cf::region::find_by_path $self->{path})
		1905	unless $self->default_region;
1315		1906
1316	1	1907	1
1317	}	1908	}
1318		1909
1319	sub find;	1910	sub find;
1320	sub find {	1911	sub find {
1321	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1322		1913
1323	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1324		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1326		1918
1327	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1328	my $guard = cf::lock_acquire "map_find:$path";	1920	my $guard1 = cf::lock_acquire "map_find:$path";
		1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1922
1329	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1330	or return;	1924	or return;
1331		1925
1332	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1333		1927
1334	$map->load_header	1928	$map->load_header
1335	or return;	1929	or return;
1336		1930
1337	if ($map->should_reset) {	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1932	# doing this can freeze the server in a sync job, obviously
		1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1338	$map->reset;	1936	$map->reset;
1339	undef $guard;
1340	$map = find $path	1937	return find $path;
1341	or return;
1342	}	1938	}
1343		1939
1344	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1345	}	1941	}
1346	}	1942	}
		1943
		1944	sub pre_load { }
		1945	sub post_load { }
1347		1946
1348	sub load {	1947	sub load {
1349	my ($self) = @_;	1948	my ($self) = @_;
1350		1949
		1950	local $self->{deny_reset} = 1; # loading can take a long time
		1951
1351	my $path = $self->{path};	1952	my $path = $self->{path};
		1953
		1954	{
1352	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1353		1956
		1957	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		1959
1356	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1357		1961
1358	$self->alloc;	1962	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)	1963
		1964	$self->pre_load;
		1965	cf::cede_to_tick;
		1966
		1967	my $f = new_from_file cf::object::thawer $self->{load_path};
		1968	$f->skip_block;
		1969	$self->_load_objects ($f)
1360	or return;	1970	or return;
1361		1971
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363	if delete $self->{load_original};	1973	if delete $self->{load_original};
1364		1974
1365	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	1976	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	1979	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1370	}	1983	}
1371	}	1984	}
1372		1985
1373	Coro::cede;	1986	$f->resolve_delayed_derefs;
1374		1987
		1988	cf::cede_to_tick;
1375	# now do the right thing for maps	1989	# now do the right thing for maps
1376	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1377
1378	unless ($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)	1991	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1992	unless $self->difficulty;
1386	Coro::cede;	1993	cf::cede_to_tick;
		1994
		1995	unless ($self->{deny_activate}) {
		1996	$self->decay_objects;
		1997	$self->fix_auto_apply;
		1998	$self->update_buttons;
		1999	cf::cede_to_tick;
		2000	$self->set_darkness_map;
		2001	cf::cede_to_tick;
1387	$self->activate;	2002	$self->activate;
1388	}	2003	}
1389		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
		2007
1390	$self->in_memory (cf::MAP_IN_MEMORY);	2008	$self->in_memory (cf::MAP_IN_MEMORY);
		2009	}
		2010
		2011	$self->post_load;
1391	}	2012	}
1392		2013
1393	sub customise_for {	2014	sub customise_for {
1394	my ($self, $ob) = @_;	2015	my ($self, $ob) = @_;
1395		2016
1396	return find "~" . $ob->name . "/" . $self->{path}	2017	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	2018	if $self->per_player;
1398		2019
		2020	# return find "?party/" . $ob->name . "/" . $self->{path}
		2021	# if $self->per_party;
		2022
1399	$self	2023	$self
1400	}	2024	}
1401		2025
1402	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	2027	sub load_neighbours {
1404	my ($map) = @_;	2028	my ($map) = @_;
1405		2029
1406	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1407		2031
1408	for (0 .. 3) {	2032	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1410	or next;	2034	or next;
1411	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1412	or next;	2036	or next;
1413	$neigh->load;	2037	$neigh->load;
1414		2038
		2039	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	2042	}
1418		2043
1419	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1421	or next;	2047	or next;
1422	$neigh->load;	2048	$neigh->load;
1423	}	2049	}
1424	}	2050	}
1425		2051
…		…
1430	}	2056	}
1431		2057
1432	sub do_load_sync {	2058	sub do_load_sync {
1433	my ($map) = @_;	2059	my ($map) = @_;
1434		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1435	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1436	}	2065	}
1437		2066
1438	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2068	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		2069
1452	sub find_async {	2070	sub find_async {
1453	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1454		2072
1455	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1456		2074
1457	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2077	}
		2078
		2079	$MAP_PREFETCH{$path} |= $load;
		2080
		2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
		2084	while (%MAP_PREFETCH) {
		2085	while (my ($k, $v) = each %MAP_PREFETCH) {
		2086	if (my $map = find $k) {
		2087	$map->load if $v;
		2088	}
		2089
		2090	delete $MAP_PREFETCH{$k};
		2091	}
		2092	}
		2093	undef $MAP_PREFETCHER;
1459	}	2094	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2095	$MAP_PREFETCHER->prio (6);
1463		2096
1464	()	2097	()
1465	}	2098	}
1466		2099
1467	sub save {	2100	sub save {
1468	my ($self) = @_;	2101	my ($self) = @_;
1469		2102
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2104
1472	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1473		2106
1474	return unless $self->dirty;	2107	return unless $self->dirty;
1475		2108
…		…
1481	return if $self->{deny_save};	2114	return if $self->{deny_save};
1482		2115
1483	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1484		2117
1485	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1487	};	2121	};
1488		2122
1489	if ($uniq) {	2123	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1498	my ($self) = @_;	2132	my ($self) = @_;
1499		2133
1500	# save first because save cedes	2134	# save first because save cedes
1501	$self->save;	2135	$self->save;
1502		2136
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2138
1505	return if $self->players;	2139	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1507	return if $self->{deny_save};	2141	return if $self->{deny_save};
1508		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1509	$self->clear;	2147	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2148	}
1512		2149
1513	sub reset_at {	2150	sub reset_at {
1514	my ($self) = @_;	2151	my ($self) = @_;
1515		2152
1516	# TODO: safety, remove and allow resettable per-player maps	2153	# 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};	2154	return 1e99 if $self->{deny_reset};
1519		2155
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2158
…		…
1527	my ($self) = @_;	2163	my ($self) = @_;
1528		2164
1529	$self->reset_at <= $cf::RUNTIME	2165	$self->reset_at <= $cf::RUNTIME
1530	}	2166	}
1531		2167
1532	sub rename {
1533	my ($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	$self->save;
1544	}
1545
1546	sub reset {	2168	sub reset {
1547	my ($self) = @_;	2169	my ($self) = @_;
1548		2170
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2172
1551	return if $self->players;	2173	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2174
1554	warn "resetting map ", $self->path;#d#	2175	warn "resetting map ", $self->path;
		2176
		2177	$self->in_memory (cf::MAP_SWAPPED);
		2178
		2179	# need to save uniques path
		2180	unless ($self->{deny_save}) {
		2181	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2182
		2183	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2184	if $uniq;
		2185	}
1555		2186
1556	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1557		2188
		2189	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2190	$_->clear_links_to ($self) for values %cf::MAP;
		2191	$self->clear;
1559		2192
1560	$self->unlink_save;	2193	$self->unlink_save;
1561	$self->destroy;	2194	$self->destroy;
1562	}	2195	}
1563		2196
1564	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1565		2198
1566	sub nuke {	2199	sub nuke {
1567	my ($self) = @_;	2200	my ($self) = @_;
1568		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
		2205	delete $cf::MAP{$self->path};
		2206
		2207	$self->unlink_save;
		2208
		2209	bless $self, "cf::map";
		2210	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2214
		2215	$cf::MAP{$self->path} = $self;
		2216	}
		2217
1572	$self->reset; # polite request, might not happen	2218	$self->reset; # polite request, might not happen
		2219	}
		2220
		2221	=item $maps = cf::map::tmp_maps
		2222
		2223	Returns an arrayref with all map paths of currently instantiated and saved
		2224	maps. May block.
		2225
		2226	=cut
		2227
		2228	sub tmp_maps() {
		2229	[
		2230	map {
		2231	utf8::decode $_;
		2232	/\.map$/
		2233	? normalise $_
		2234	: ()
		2235	} @{ aio_readdir $TMPDIR or [] }
		2236	]
		2237	}
		2238
		2239	=item $maps = cf::map::random_maps
		2240
		2241	Returns an arrayref with all map paths of currently instantiated and saved
		2242	random maps. May block.
		2243
		2244	=cut
		2245
		2246	sub random_maps() {
		2247	[
		2248	map {
		2249	utf8::decode $_;
		2250	/\.map$/
		2251	? normalise "?random/$_"
		2252	: ()
		2253	} @{ aio_readdir $RANDOMDIR or [] }
		2254	]
1573	}	2255	}
1574		2256
1575	=item cf::map::unique_maps	2257	=item cf::map::unique_maps
1576		2258
1577	Returns an arrayref of paths of all shared maps that have	2259	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2260	instantiated unique items. May block.
1579		2261
1580	=cut	2262	=cut
1581		2263
1582	sub unique_maps() {	2264	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2265	[
1584	or return;	2266	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2267	utf8::decode $_;
1590	next if /\.pst$/;	2268	/\.map$/
1591	next unless /^$PATH_SEP/o;	2269	? normalise $_
1592		2270	: ()
1593	push @paths, $_;	2271	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2272	]
1595
1596	\@paths
1597	}	2273	}
1598		2274
1599	package cf;	2275	package cf;
1600		2276
1601	=back	2277	=back
…		…
1619	map { $_, inv_recursive_ $_->inv } @_	2295	map { $_, inv_recursive_ $_->inv } @_
1620	}	2296	}
1621		2297
1622	sub inv_recursive {	2298	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2299	inv_recursive_ inv $_[0]
		2300	}
		2301
		2302	=item $ref = $ob->ref
		2303
		2304	creates and returns a persistent reference to an objetc that can be stored as a string.
		2305
		2306	=item $ob = cf::object::deref ($refstring)
		2307
		2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2309	even if the object actually exists. May block.
		2310
		2311	=cut
		2312
		2313	sub deref {
		2314	my ($ref) = @_;
		2315
		2316	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2317	my ($uuid, $name) = ($1, $2);
		2318	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2319	or return;
		2320	$pl->ob->uuid eq $uuid
		2321	or return;
		2322
		2323	$pl->ob
		2324	} else {
		2325	warn "$ref: cannot resolve object reference\n";
		2326	undef
		2327	}
1624	}	2328	}
1625		2329
1626	package cf;	2330	package cf;
1627		2331
1628	=back	2332	=back
…		…
1647		2351
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2353
1650	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1652	} else {	2357	} else {
		2358	my $pl = $self->contr;
		2359
		2360	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2361	my $dialog = $pl->{npc_dialog};
		2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2363
		2364	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1655	}	2368	}
		2369	}
		2370
		2371	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2372
		2373	=cut
		2374
		2375	sub cf::object::send_msg {
		2376	my $pl = shift->contr
		2377	or return;
		2378	$pl->send_msg (@_);
1656	}	2379	}
1657		2380
1658	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1659		2382
1660	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2415	=cut
1693		2416
1694	sub link_map {	2417	sub link_map {
1695	unless ($LINK_MAP) {	2418	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2419	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2420	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2421	$LINK_MAP->load;
1699	}	2422	}
1700		2423
1701	$LINK_MAP	2424	$LINK_MAP
1702	}	2425	}
…		…
1707	$self->deactivate_recursive;	2430	$self->deactivate_recursive;
1708		2431
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2432	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2433
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2435	if $self->map && $self->map->{path} ne "{link}";
1713		2436
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2438	}
1716		2439
1717	sub cf::object::player::leave_link {	2440	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2441	my ($self, $map, $x, $y) = @_;
		2442
		2443	return unless $self->contr->active;
1719		2444
1720	my $link_pos = delete $self->{_link_pos};	2445	my $link_pos = delete $self->{_link_pos};
1721		2446
1722	unless ($map) {	2447	unless ($map) {
1723	# restore original map position	2448	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
1740		2465
1741	$map->load;	2466	$map->load;
1742	$map->load_diag;	2467	$map->load_neighbours;
1743		2468
1744	return unless $self->contr->active;	2469	return unless $self->contr->active;
1745	$self->activate_recursive;	2470	$self->activate_recursive;
		2471
		2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
1747	}	2474	}
1748		2475
1749	cf::player->attach (	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2477
1753	# abort map switching before logout	2478	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2479	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2480	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2481	the new (success) or old (failed) map position. In either case, $done will
1757	};	2482	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2483
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	2484	=cut
		2485
		2486	our $GOTOGEN;
1784		2487
1785	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2489	my ($self, $path, $x, $y, $check, $done) = @_;
		2490
		2491	# do generation counting so two concurrent goto's will be executed in-order
		2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2493
1788	$self->enter_link;	2494	$self->enter_link;
1789		2495
1790	(async {	2496	(async {
1791	my $map = cf::map::find $path;	2497	$Coro::current->{desc} = "player::goto $path $x $y";
		2498
		2499	# *tag paths override both path and x|y
		2500	if ($path =~ /^\*(.*)$/) {
		2501	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2502	my $ob = $obs[rand @obs];
		2503
		2504	# see if we actually can go there
		2505	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2506	$ob = $obs[rand @obs];
		2507	} else {
		2508	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2509	}
		2510	# else put us there anyways for now #d#
		2511
		2512	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2513	} else {
		2514	($path, $x, $y) = (undef, undef, undef);
		2515	}
		2516	}
		2517
		2518	my $map = eval {
		2519	my $map = defined $path ? cf::map::find $path : undef;
		2520
		2521	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2522	$map = $map->customise_for ($self);
1793		2523	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2524	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2526	}
1798		2527
		2528	$map
		2529	};
		2530
		2531	if ($@) {
		2532	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2533	LOG llevError | logBacktrace, Carp::longmess $@;
		2534	}
		2535
		2536	if ($gen == $self->{_goto_generation}) {
		2537	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
		2539	}
		2540
		2541	$done->() if $done;
1800	})->prio (1);	2542	})->prio (1);
1801	}	2543	}
1802		2544
1803	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
1804		2546
…		…
1806		2548
1807	sub parse_random_map_params {	2549	sub parse_random_map_params {
1808	my ($spec) = @_;	2550	my ($spec) = @_;
1809		2551
1810	my $rmp = { # defaults	2552	my $rmp = { # defaults
1811	xsize => 10,	2553	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2554	ysize => (cf::rndm 15, 40),
		2555	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2556	#layout => string,
1813	};	2557	};
1814		2558
1815	for (split /\n/, $spec) {	2559	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2560	my ($k, $v) = split /\s+/, $_, 2;
1817		2561
…		…
1821	$rmp	2565	$rmp
1822	}	2566	}
1823		2567
1824	sub prepare_random_map {	2568	sub prepare_random_map {
1825	my ($exit) = @_;	2569	my ($exit) = @_;
		2570
		2571	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2572
1827	# all this does is basically replace the /! path by	2573	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2574	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2575	# that depends on the exit object
1830		2576
1831	my $rmp = parse_random_map_params $exit->msg;	2577	my $rmp = parse_random_map_params $exit->msg;
1832		2578
1833	if ($exit->map) {	2579	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2580	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2581	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2582	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2583	$rmp->{origin_y} = $exit->y;
1838	}	2584	}
1839		2585
1840	$rmp->{random_seed} ||= $exit->random_seed;	2586	$rmp->{random_seed} ||= $exit->random_seed;
1841		2587
1842	my $data = cf::to_json $rmp;	2588	my $data = cf::to_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2589	my $md5 = Digest::MD5::md5_hex $data;
		2590	my $meta = "$RANDOMDIR/$md5.meta";
1844		2591
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2593	aio_write $fh, 0, (length $data), $data, 0;
		2594	undef $fh;
		2595	aio_rename "$meta~", $meta;
1847		2596
1848	$exit->slaying ("?random/$md5");	2597	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2598	$exit->msg (undef);
1850	}	2599	}
1851	}	2600	}
…		…
1853	sub cf::object::player::enter_exit {	2602	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2603	my ($self, $exit) = @_;
1855		2604
1856	return unless $self->type == cf::PLAYER;	2605	return unless $self->type == cf::PLAYER;
1857		2606
		2607	if ($exit->slaying eq "/!") {
		2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2609	# the problem is that $exit might not survive long enough
		2610	# so it needs to be done right now, right here
		2611	cf::sync_job { prepare_random_map $exit };
		2612	}
		2613
		2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2615	my $hp = $exit->stats->hp;
		2616	my $sp = $exit->stats->sp;
		2617
1858	$self->enter_link;	2618	$self->enter_link;
1859		2619
		2620	# if exit is damned, update players death & WoR home-position
		2621	$self->contr->savebed ($slaying, $hp, $sp)
		2622	if $exit->flag (FLAG_DAMNED);
		2623
1860	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
1861	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2628	unless (eval {
1863	prepare_random_map $exit	2629	$self->goto ($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		2630
1869	1;	2631	1;
1870	}) {	2632	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2633	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2634	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2635	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2636	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2637
1876	warn "ERROR in enter_exit: $@";	2638	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2639	$self->leave_link;
1878	}	2640	}
1879	})->prio (1);	2641	})->prio (1);
…		…
1892		2654
1893	sub cf::client::send_drawinfo {	2655	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2656	my ($self, $text, $flags) = @_;
1895		2657
1896	utf8::encode $text;	2658	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2660	}
1899		2661
		2662	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2663
		2664	Send a drawinfo or msg packet to the client, formatting the msg for the
		2665	client if neccessary. C<$type> should be a string identifying the type of
		2666	the message, with C<log> being the default. If C<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/book" => {
		2685	id => "infobox",
		2686	title => "Book",
		2687	reply => undef,
		2688	tooltip => "The contents of a note or book",
		2689	},
		2690	"c/lookat" => {
		2691	id => "infobox",
		2692	title => "Look",
		2693	reply => undef,
		2694	tooltip => "What you saw there",
		2695	},
		2696	"c/who" => {
		2697	id => "infobox",
		2698	title => "Players",
		2699	reply => undef,
		2700	tooltip => "Shows players who are currently online",
		2701	},
		2702	"c/body" => {
		2703	id => "infobox",
		2704	title => "Body Parts",
		2705	reply => undef,
		2706	tooltip => "Shows which body parts you posess and are available",
		2707	},
		2708	"c/uptime" => {
		2709	id => "infobox",
		2710	title => "Uptime",
		2711	reply => undef,
		2712	tooltip => "How long the server has been running sicne last restart",
		2713	},
		2714	"c/mapinfo" => {
		2715	id => "infobox",
		2716	title => "Map Info",
		2717	reply => undef,
		2718	tooltip => "Information related to the maps",
		2719	},
		2720	);
		2721
		2722	sub cf::client::send_msg {
		2723	my ($self, $channel, $msg, $color, @extra) = @_;
		2724
		2725	$msg = $self->pl->expand_cfpod ($msg);
		2726
		2727	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2728
		2729	# check predefined channels, for the benefit of C
		2730	if ($CHANNEL{$channel}) {
		2731	$channel = $CHANNEL{$channel};
		2732
		2733	$self->ext_msg (channel_info => $channel)
		2734	if $self->can_msg;
		2735
		2736	$channel = $channel->{id};
		2737
		2738	} elsif (ref $channel) {
		2739	# send meta info to client, if not yet sent
		2740	unless (exists $self->{channel}{$channel->{id}}) {
		2741	$self->{channel}{$channel->{id}} = $channel;
		2742	$self->ext_msg (channel_info => $channel)
		2743	if $self->can_msg;
		2744	}
		2745
		2746	$channel = $channel->{id};
		2747	}
		2748
		2749	return unless @extra || length $msg;
		2750
		2751	if ($self->can_msg) {
		2752	# default colour, mask it out
		2753	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2754	if $color & cf::NDI_DEF;
		2755
		2756	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2757	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2758	} else {
		2759	if ($color >= 0) {
		2760	# replace some tags by gcfclient-compatible ones
		2761	for ($msg) {
		2762	1 while
		2763	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2764	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2765	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2766	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2767	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2768	}
		2769
		2770	$color &= cf::NDI_COLOR_MASK;
		2771
		2772	utf8::encode $msg;
		2773
		2774	if (0 && $msg =~ /\[/) {
		2775	# COMMAND/INFO
		2776	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2777	} else {
		2778	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2779	$self->send_packet ("drawinfo $color $msg")
		2780	}
		2781	}
		2782	}
		2783	}
		2784
		2785	=item $client->ext_msg ($type, @msg)
		2786
		2787	Sends an ext event to the client.
		2788
		2789	=cut
		2790
		2791	sub cf::client::ext_msg($$@) {
		2792	my ($self, $type, @msg) = @_;
		2793
		2794	if ($self->extcmd == 2) {
		2795	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2796	} elsif ($self->extcmd == 1) { # TODO: remove
		2797	push @msg, msgtype => "event_$type";
		2798	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2799	}
		2800	}
		2801
		2802	=item $client->ext_reply ($msgid, @msg)
		2803
		2804	Sends an ext reply to the client.
		2805
		2806	=cut
		2807
		2808	sub cf::client::ext_reply($$@) {
		2809	my ($self, $id, @msg) = @_;
		2810
		2811	if ($self->extcmd == 2) {
		2812	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2813	} elsif ($self->extcmd == 1) {
		2814	#TODO: version 1, remove
		2815	unshift @msg, msgtype => "reply", msgid => $id;
		2816	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2817	}
		2818	}
1900		2819
1901	=item $success = $client->query ($flags, "text", \&cb)	2820	=item $success = $client->query ($flags, "text", \&cb)
1902		2821
1903	Queues a query to the client, calling the given callback with	2822	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>,	2823	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>.	2824	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2825
1907	Queries can fail, so check the return code. Or don't, as queries will become	2826	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2827	become reliable at some point in the future.
1909		2828
1910	=cut	2829	=cut
1911		2830
1912	sub cf::client::query {	2831	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2832	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2840	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2841	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2842
1924	$self->send_packet ($self->{query_queue}[0][0])	2843	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2844	if @{ $self->{query_queue} } == 1;
		2845
		2846	1
1926	}	2847	}
1927		2848
1928	cf::client->attach (	2849	cf::client->attach (
		2850	on_connect => sub {
		2851	my ($ns) = @_;
		2852
		2853	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2854	},
1929	on_reply => sub {	2855	on_reply => sub {
1930	my ($ns, $msg) = @_;	2856	my ($ns, $msg) = @_;
1931		2857
1932	# this weird shuffling is so that direct followup queries	2858	# this weird shuffling is so that direct followup queries
1933	# get handled first	2859	# get handled first
1934	my $queue = delete $ns->{query_queue}	2860	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2861	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2862
1937	(shift @$queue)->[1]->($msg);	2863	(shift @$queue)->[1]->($msg);
		2864	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2865
1939	push @{ $ns->{query_queue} }, @$queue;	2866	push @{ $ns->{query_queue} }, @$queue;
1940		2867
1941	if (@{ $ns->{query_queue} } == @$queue) {	2868	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2869	if (@$queue) {
…		…
1944	} else {	2871	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2872	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	2873	}
1947	}	2874	}
1948	},	2875	},
		2876	on_exticmd => sub {
		2877	my ($ns, $buf) = @_;
		2878
		2879	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2880
		2881	if (ref $msg) {
		2882	my ($type, $reply, @payload) =
		2883	"ARRAY" eq ref $msg
		2884	? @$msg
		2885	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2886
		2887	my @reply;
		2888
		2889	if (my $cb = $EXTICMD{$type}) {
		2890	@reply = $cb->($ns, @payload);
		2891	}
		2892
		2893	$ns->ext_reply ($reply, @reply)
		2894	if $reply;
		2895
		2896	} else {
		2897	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2898	}
		2899
		2900	cf::override;
		2901	},
1949	);	2902	);
1950		2903
1951	=item $client->async (\&cb)	2904	=item $client->async (\&cb)
1952		2905
1953	Create a new coroutine, running the specified callback. The coroutine will	2906	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	2947	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	2948	our $safe_hole = new Safe::Hole;
1996		2949
1997	$SIG{FPE} = 'IGNORE';	2950	$SIG{FPE} = 'IGNORE';
1998		2951
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2952	$safe->permit_only (Opcode::opset qw(
		2953	:base_core :base_mem :base_orig :base_math
		2954	grepstart grepwhile mapstart mapwhile
		2955	sort time
		2956	));
2000		2957
2001	# here we export the classes and methods available to script code	2958	# here we export the classes and methods available to script code
2002		2959
2003	=pod	2960	=pod
2004		2961
2005	The following fucntions and emthods are available within a safe environment:	2962	The following functions and methods are available within a safe environment:
2006		2963
2007	cf::object contr pay_amount pay_player map	2964	cf::object
		2965	contr pay_amount pay_player map x y force_find force_add destroy
		2966	insert remove name archname title slaying race decrease_ob_nr
		2967
2008	cf::object::player player	2968	cf::object::player
2009	cf::player peaceful	2969	player
2010	cf::map trigger	2970
		2971	cf::player
		2972	peaceful
		2973
		2974	cf::map
		2975	trigger
2011		2976
2012	=cut	2977	=cut
2013		2978
2014	for (	2979	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	2980	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2981	insert remove inv name archname title slaying race
		2982	decrease_ob_nr destroy)],
2016	["cf::object::player" => qw(player)],	2983	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	2984	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	2985	["cf::map" => qw(trigger)],
2019	) {	2986	) {
2020	no strict 'refs';	2987	no strict 'refs';
…		…
2091	=back	3058	=back
2092		3059
2093	=cut	3060	=cut
2094		3061
2095	#############################################################################	3062	#############################################################################
		3063	# the server's init and main functions
2096		3064
2097	=head2 EXTENSION DATABASE SUPPORT	3065	sub load_facedata($) {
		3066	my ($path) = @_;
2098		3067
2099	Crossfire maintains a very simple database for extension use. It can	3068	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	3069	# for this (global event?)
2101	excludes objects.	3070	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		3071
2103	The parameter C<$family> should best start with the name of the extension	3072	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		3073
2106	=over 4	3074	warn "loading facedata from $path\n";
2107		3075
2108	=item $hashref = cf::db_get $family	3076	my $facedata;
		3077	0 < aio_load $path, $facedata
		3078	or die "$path: $!";
2109		3079
2110	Return a hashref for use by the extension C<$family>, which can be	3080	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		3081
2114	=item $value = cf::db_get $family => $key	3082	$facedata->{version} == 2
		3083	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		3084
2116	Returns a single value from the database	3085	# patch in the exptable
2117		3086	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	3087	type => FT_RSRC,
2119		3088	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	});	3089	};
		3090	cf::cede_to_tick;
2169		3091
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3092	{
		3093	my $faces = $facedata->{faceinfo};
2174		3094
2175	sub db_get($;$) {	3095	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3096	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}	3097	cf::face::set_visibility $idx, $info->{visibility};
2178	: ($DB->{$_[0]} ||= { })	3098	cf::face::set_magicmap $idx, $info->{magicmap};
2179	}	3099	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3100	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2180		3101
2181	sub db_put($$;$) {	3102	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	},	3103	}
2195	);
2196	}
2197		3104
2198	#############################################################################	3105	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3106	next unless $info->{smooth};
		3107	my $idx = cf::face::find $face
		3108	or next;
		3109	if (my $smooth = cf::face::find $info->{smooth}) {
		3110	cf::face::set_smooth $idx, $smooth;
		3111	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3112	} else {
		3113	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3114	}
2200		3115
2201	sub cfg_load {	3116	cf::cede_to_tick;
		3117	}
		3118	}
		3119
		3120	{
		3121	my $anims = $facedata->{animinfo};
		3122
		3123	while (my ($anim, $info) = each %$anims) {
		3124	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3125	cf::cede_to_tick;
		3126	}
		3127
		3128	cf::anim::invalidate_all; # d'oh
		3129	}
		3130
		3131	{
		3132	# TODO: for gcfclient pleasure, we should give resources
		3133	# that gcfclient doesn't grok a >10000 face index.
		3134	my $res = $facedata->{resource};
		3135
		3136	my $soundconf = delete $res->{"res/sound.conf"};
		3137
		3138	while (my ($name, $info) = each %$res) {
		3139	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3140	my $data;
		3141
		3142	if ($info->{type} & 1) {
		3143	# prepend meta info
		3144
		3145	my $meta = $enc->encode ({
		3146	name => $name,
		3147	%{ $info->{meta} || {} },
		3148	});
		3149
		3150	$data = pack "(w/a*)*", $meta, $info->{data};
		3151	} else {
		3152	$data = $info->{data};
		3153	}
		3154
		3155	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3156	cf::face::set_type $idx, $info->{type};
		3157
		3158	cf::cede_to_tick;
		3159	}
		3160
		3161	if ($soundconf) {
		3162	$soundconf = $enc->decode (delete $soundconf->{data});
		3163
		3164	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3165	my $sound = $soundconf->{compat}[$_]
		3166	or next;
		3167
		3168	my $face = cf::face::find "sound/$sound->[1]";
		3169	cf::sound::set $sound->[0] => $face;
		3170	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3171	}
		3172
		3173	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3174	my $face = cf::face::find "sound/$v";
		3175	cf::sound::set $k => $face;
		3176	}
		3177	}
		3178	}
		3179
		3180	1
		3181	}
		3182
		3183	register_exticmd fx_want => sub {
		3184	my ($ns, $want) = @_;
		3185
		3186	while (my ($k, $v) = each %$want) {
		3187	$ns->fx_want ($k, $v);
		3188	}
		3189	};
		3190
		3191	sub reload_regions {
		3192	# HACK to clear player env face cache, we need some signal framework
		3193	# for this (global event?)
		3194	%ext::player_env::MUSIC_FACE_CACHE = ();
		3195
		3196	load_resource_file "$MAPDIR/regions"
		3197	or die "unable to load regions file\n";
		3198
		3199	for (cf::region::list) {
		3200	$_->{match} = qr/$_->{match}/
		3201	if exists $_->{match};
		3202	}
		3203	}
		3204
		3205	sub reload_facedata {
		3206	load_facedata "$DATADIR/facedata"
		3207	or die "unable to load facedata\n";
		3208	}
		3209
		3210	sub reload_archetypes {
		3211	load_resource_file "$DATADIR/archetypes"
		3212	or die "unable to load archetypes\n";
		3213	#d# NEED to laod twice to resolve forward references
		3214	# this really needs to be done in an extra post-pass
		3215	# (which needs to be synchronous, so solve it differently)
		3216	load_resource_file "$DATADIR/archetypes"
		3217	or die "unable to load archetypes\n";
		3218	}
		3219
		3220	sub reload_treasures {
		3221	load_resource_file "$DATADIR/treasures"
		3222	or die "unable to load treasurelists\n";
		3223	}
		3224
		3225	sub reload_resources {
		3226	warn "reloading resource files...\n";
		3227
		3228	reload_regions;
		3229	reload_facedata;
		3230	#reload_archetypes;#d#
		3231	reload_archetypes;
		3232	reload_treasures;
		3233
		3234	warn "finished reloading resource files\n";
		3235	}
		3236
		3237	sub init {
		3238	reload_resources;
		3239	}
		3240
		3241	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3242	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3243	or return;
2204		3244
2205	local $/;	3245	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3246	*CFG = YAML::Syck::Load <$fh>;
2207		3247
…		…
2221		3261
2222	sub main {	3262	sub main {
2223	# we must not ever block the main coroutine	3263	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3264	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3265	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3266	(async {
		3267	$Coro::current->{desc} = "IDLE BUG HANDLER";
2226	async { Event::one_event };	3268	Event::one_event;
		3269	})->prio (Coro::PRIO_MAX);
2227	};	3270	};
2228		3271
2229	cfg_load;	3272	reload_config;
2230	db_load;	3273	db_init;
2231	load_extensions;	3274	load_extensions;
		3275
		3276	$TICK_WATCHER->start;
2232	Event::loop;	3277	Event::loop;
2233	}	3278	}
2234		3279
2235	#############################################################################	3280	#############################################################################
2236	# initialisation and cleanup	3281	# initialisation and cleanup
2237		3282
2238	# install some emergency cleanup handlers	3283	# install some emergency cleanup handlers
2239	BEGIN {	3284	BEGIN {
2240	for my $signal (qw(INT HUP TERM)) {	3285	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3286	Event->signal (
		3287	reentrant => 0,
2242	data => WF_AUTOCANCEL,	3288	data => WF_AUTOCANCEL,
2243	signal => $signal,	3289	signal => $signal,
		3290	prio => 0,
2244	cb => sub {	3291	cb => sub {
2245	cf::cleanup "SIG$signal";	3292	cf::cleanup "SIG$signal";
2246	},	3293	},
2247	);	3294	);
2248	}	3295	}
2249	}	3296	}
2250		3297
		3298	sub write_runtime {
		3299	my $runtime = "$LOCALDIR/runtime";
		3300
		3301	# first touch the runtime file to show we are still running:
		3302	# the fsync below can take a very very long time.
		3303
		3304	IO::AIO::aio_utime $runtime, undef, undef;
		3305
		3306	my $guard = cf::lock_acquire "write_runtime";
		3307
		3308	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3309	or return;
		3310
		3311	my $value = $cf::RUNTIME + 90 + 10;
		3312	# 10 is the runtime save interval, for a monotonic clock
		3313	# 60 allows for the watchdog to kill the server.
		3314
		3315	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3316	and return;
		3317
		3318	# always fsync - this file is important
		3319	aio_fsync $fh
		3320	and return;
		3321
		3322	# touch it again to show we are up-to-date
		3323	aio_utime $fh, undef, undef;
		3324
		3325	close $fh
		3326	or return;
		3327
		3328	aio_rename "$runtime~", $runtime
		3329	and return;
		3330
		3331	warn "runtime file written.\n";
		3332
		3333	1
		3334	}
		3335
2251	sub emergency_save() {	3336	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3337	my $freeze_guard = cf::freeze_mainloop;
2253		3338
2254	warn "enter emergency perl save\n";	3339	warn "enter emergency perl save\n";
2255		3340
2256	cf::sync_job {	3341	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3342	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3343	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3344	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3345	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3346	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3347	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3348	$pl->valid or next;
		3349	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2264	$pl->save;	3350	$pl->save;
2265	}	3351	}
2266	warn "end emergency player save\n";	3352	warn "end emergency player save\n";
2267		3353
2268	warn "begin emergency map save\n";	3354	warn "begin emergency map save\n";
…		…
2270	my $map = $cf::MAP{$path} or next;	3356	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3357	$map->valid or next;
2272	$map->save;	3358	$map->save;
2273	}	3359	}
2274	warn "end emergency map save\n";	3360	warn "end emergency map save\n";
		3361
		3362	warn "begin emergency database checkpoint\n";
		3363	BDB::db_env_txn_checkpoint $DB_ENV;
		3364	warn "end emergency database checkpoint\n";
2275	};	3365	};
2276		3366
2277	warn "leave emergency perl save\n";	3367	warn "leave emergency perl save\n";
2278	}	3368	}
2279		3369
		3370	sub post_cleanup {
		3371	my ($make_core) = @_;
		3372
		3373	warn Carp::longmess "post_cleanup backtrace"
		3374	if $make_core;
		3375	}
		3376
2280	sub reload() {	3377	sub do_reload_perl() {
2281	# can/must only be called in main	3378	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3379	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3380	warn "can only reload from main coroutine";
2284	return;	3381	return;
2285	}	3382	}
2286		3383
2287	warn "reloading...";	3384	warn "reloading...";
2288		3385
2289	warn "freezing server";	3386	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3387
		3388	cf::sync_job {
		3389	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	3390	cf::emergency_save;
		3391	cf::write_runtime; # external watchdog should not bark
2292		3392
2293	warn "sync database to disk";	3393	warn "syncing database to disk";
2294	cf::db_sync;	3394	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3395
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3396	# if anything goes wrong in here, we should simply crash as we already saved
2299		3397
2300	warn "cancel all watchers";	3398	warn "cancelling all WF_AUTOCANCEL watchers";
2301	for (Event::all_watchers) {	3399	for (Event::all_watchers) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3400	$_->cancel if $_->data & WF_AUTOCANCEL;
2303	}	3401	}
2304		3402
		3403	warn "flushing outstanding aio requests";
		3404	for (;;) {
		3405	BDB::flush;
		3406	IO::AIO::flush;
		3407	Coro::cede_notself;
		3408	last unless IO::AIO::nreqs || BDB::nreqs;
		3409	warn "iterate...";
		3410	}
		3411
		3412	++$RELOAD;
		3413
2305	warn "cancel all extension coros";	3414	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3415	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3416	%EXT_CORO = ();
2308		3417
2309	warn "remove commands";	3418	warn "removing commands";
2310	%COMMAND = ();	3419	%COMMAND = ();
2311		3420
2312	warn "remove ext commands";	3421	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3422	%EXTCMD = ();
		3423	%EXTICMD = ();
2314		3424
2315	warn "unload/nuke all extensions";	3425	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3426	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3427	warn "... unloading $pkg";
2318		3428
2319	if (my $cb = $pkg->can ("unload")) {	3429	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3430	eval {
…		…
2325		3435
2326	warn "... nuking $pkg";	3436	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3437	Symbol::delete_package $pkg;
2328	}	3438	}
2329		3439
2330	warn "unload all perl modules loaded from $LIBDIR";	3440	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3441	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3442	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3443
2334	warn "removing <$k>";	3444	warn "... unloading $k";
2335	delete $INC{$k};	3445	delete $INC{$k};
2336		3446
2337	$k =~ s/\.pm$//;	3447	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3448	$k =~ s/\//::/g;
2339		3449
…		…
2342	}	3452	}
2343		3453
2344	Symbol::delete_package $k;	3454	Symbol::delete_package $k;
2345	}	3455	}
2346		3456
2347	warn "get rid of safe::, as good as possible";	3457	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3458	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3459	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3460
2351	warn "unload cf.pm \"a bit\"";	3461	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3462	delete $INC{"cf.pm"};
		3463	delete $INC{"cf/pod.pm"};
2353		3464
2354	# don't, removes xs symbols, too,	3465	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3466	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3467	#Symbol::delete_package __PACKAGE__;
2357		3468
		3469	warn "unload completed, starting to reload now";
		3470
2358	warn "reloading cf.pm";	3471	warn "reloading cf.pm";
2359	require cf;	3472	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3473	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3474
2362	warn "load config and database again";	3475	warn "loading config and database again";
2363	cf::cfg_load;	3476	cf::reload_config;
2364	cf::db_load;
2365		3477
2366	warn "load extensions";	3478	warn "loading extensions";
2367	cf::load_extensions;	3479	cf::load_extensions;
2368		3480
2369	warn "reattach attachments to objects/players";	3481	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3482	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3483	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3484	reattach $_ for values %MAP;
2373	};	3485	warn "reattaching attachments to players";
		3486	reattach $_ for values %PLAYER;
2374		3487
2375	if ($@) {	3488	warn "leaving sync_job";
		3489
		3490	1
		3491	} or do {
2376	warn $@;	3492	warn $@;
2377	warn "error while reloading, exiting.";	3493	warn "error while reloading, exiting.";
2378	exit 1;	3494	exit 1;
2379	}	3495	};
2380		3496
2381	warn "reloaded";	3497	warn "reloaded";
2382	};	3498	};
2383		3499
		3500	our $RELOAD_WATCHER; # used only during reload
		3501
		3502	sub reload_perl() {
		3503	# doing reload synchronously and two reloads happen back-to-back,
		3504	# coro crashes during coro_state_free->destroy here.
		3505
		3506	$RELOAD_WATCHER ||= Event->timer (
		3507	reentrant => 0,
		3508	after => 0,
		3509	data => WF_AUTOCANCEL,
		3510	cb => sub {
		3511	do_reload_perl;
		3512	undef $RELOAD_WATCHER;
		3513	},
		3514	);
		3515	}
		3516
2384	register_command "reload" => sub {	3517	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3518	my ($who, $arg) = @_;
2386		3519
2387	if ($who->flag (FLAG_WIZ)) {	3520	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3521	$who->message ("reloading server.");
		3522	async {
		3523	$Coro::current->{desc} = "perl_reload";
		3524	reload_perl;
		3525	};
2391	}	3526	}
2392	};	3527	};
2393		3528
2394	unshift @INC, $LIBDIR;	3529	unshift @INC, $LIBDIR;
		3530
		3531	my $bug_warning = 0;
		3532
		3533	our @WAIT_FOR_TICK;
		3534	our @WAIT_FOR_TICK_BEGIN;
		3535
		3536	sub wait_for_tick {
		3537	return unless $TICK_WATCHER->is_active;
		3538	return if $Coro::current == $Coro::main;
		3539
		3540	my $signal = new Coro::Signal;
		3541	push @WAIT_FOR_TICK, $signal;
		3542	$signal->wait;
		3543	}
		3544
		3545	sub wait_for_tick_begin {
		3546	return unless $TICK_WATCHER->is_active;
		3547	return if $Coro::current == $Coro::main;
		3548
		3549	my $signal = new Coro::Signal;
		3550	push @WAIT_FOR_TICK_BEGIN, $signal;
		3551	$signal->wait;
		3552	}
2395		3553
2396	$TICK_WATCHER = Event->timer (	3554	$TICK_WATCHER = Event->timer (
2397	reentrant => 0,	3555	reentrant => 0,
		3556	parked => 1,
2398	prio => 0,	3557	prio => 0,
2399	at => $NEXT_TICK || $TICK,	3558	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,	3559	data => WF_AUTOCANCEL,
2401	cb => sub {	3560	cb => sub {
		3561	if ($Coro::current != $Coro::main) {
		3562	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3563	unless ++$bug_warning > 10;
		3564	return;
		3565	}
		3566
2402	$NOW = Event::time;	3567	$NOW = $tick_start = Event::time;
2403		3568
2404	cf::server_tick; # one server iteration	3569	cf::server_tick; # one server iteration
		3570
2405	$RUNTIME += $TICK;	3571	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;	3572	$NEXT_TICK += $TICK;
2407		3573
2408	$WAIT_FOR_TICK->broadcast;	3574	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3575	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3576	Coro::async_pool {
		3577	$Coro::current->{desc} = "runtime saver";
		3578	write_runtime
		3579	or warn "ERROR: unable to write runtime file: $!";
		3580	};
		3581	}
		3582
		3583	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3584	$sig->send;
		3585	}
		3586	while (my $sig = shift @WAIT_FOR_TICK) {
		3587	$sig->send;
		3588	}
		3589
		3590	$NOW = Event::time;
2410		3591
2411	# if we are delayed by four ticks or more, skip them all	3592	# if we are delayed by four ticks or more, skip them all
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3593	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2413		3594
2414	$TICK_WATCHER->at ($NEXT_TICK);	3595	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;	3596	$TICK_WATCHER->start;
		3597
		3598	$LOAD = ($NOW - $tick_start) / $TICK;
		3599	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3600
		3601	_post_tick;
2416	},	3602	},
2417	);	3603	);
2418		3604
		3605	{
		3606	BDB::min_parallel 8;
2419	IO::AIO::max_poll_time $TICK * 0.2;	3607	BDB::max_poll_time $TICK * 0.1;
2420		3608	$BDB_POLL_WATCHER = Event->io (
2421	Event->io (	3609	reentrant => 0,
2422	fd => IO::AIO::poll_fileno,	3610	fd => BDB::poll_fileno,
2423	poll => 'r',	3611	poll => 'r',
2424	prio => 5,	3612	prio => 0,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,	3613	data => WF_AUTOCANCEL,
		3614	cb => \&BDB::poll_cb,
		3615	);
		3616
		3617	BDB::set_sync_prepare {
		3618	my $status;
		3619	my $current = $Coro::current;
		3620	(
		3621	sub {
		3622	$status = $!;
		3623	$current->ready; undef $current;
		3624	},
		3625	sub {
		3626	Coro::schedule while defined $current;
		3627	$! = $status;
		3628	},
		3629	)
		3630	};
		3631
		3632	unless ($DB_ENV) {
		3633	$DB_ENV = BDB::db_env_create;
		3634	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3635	| BDB::LOG_AUTOREMOVE, 1);
		3636	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3637	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3638
		3639	cf::sync_job {
		3640	eval {
		3641	BDB::db_env_open
		3642	$DB_ENV,
		3643	$BDBDIR,
		3644	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3646	0666;
		3647
		3648	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3649	};
		3650
		3651	cf::cleanup "db_env_open(db): $@" if $@;
		3652	};
		3653	}
		3654
		3655	$BDB_DEADLOCK_WATCHER = Event->timer (
2431	after => 0,	3656	after => 3,
2432	interval => 10,	3657	interval => 1,
		3658	hard => 1,
		3659	prio => 0,
		3660	data => WF_AUTOCANCEL,
2433	cb => sub {	3661	cb => sub {
2434	(Coro::unblock_sub {	3662	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
2435	write_runtime	3663	},
2436	or warn "ERROR: unable to write runtime file: $!";	3664	);
		3665	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3666	after => 11,
		3667	interval => 60,
		3668	hard => 1,
		3669	prio => 0,
		3670	data => WF_AUTOCANCEL,
		3671	cb => sub {
		3672	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3673	},
		3674	);
		3675	$BDB_TRICKLE_WATCHER = Event->timer (
		3676	after => 5,
		3677	interval => 10,
		3678	hard => 1,
		3679	prio => 0,
		3680	data => WF_AUTOCANCEL,
		3681	cb => sub {
		3682	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3683	},
		3684	);
		3685	}
		3686
		3687	{
		3688	IO::AIO::min_parallel 8;
		3689
		3690	undef $Coro::AIO::WATCHER;
		3691	IO::AIO::max_poll_time $TICK * 0.1;
		3692	$AIO_POLL_WATCHER = Event->io (
		3693	reentrant => 0,
		3694	data => WF_AUTOCANCEL,
		3695	fd => IO::AIO::poll_fileno,
		3696	poll => 'r',
		3697	prio => 0,
		3698	cb => \&IO::AIO::poll_cb,
		3699	);
		3700	}
		3701
		3702	my $_log_backtrace;
		3703
		3704	sub _log_backtrace {
		3705	my ($msg, @addr) = @_;
		3706
		3707	$msg =~ s/\n//;
		3708
		3709	# limit the # of concurrent backtraces
		3710	if ($_log_backtrace < 2) {
		3711	++$_log_backtrace;
		3712	async {
		3713	$Coro::current->{desc} = "abt $msg";
		3714
		3715	my @bt = fork_call {
		3716	@addr = map { sprintf "%x", $_ } @addr;
		3717	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3718	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3719	or die "addr2line: $!";
		3720
		3721	my @funcs;
		3722	my @res = <$fh>;
		3723	chomp for @res;
		3724	while (@res) {
		3725	my ($func, $line) = splice @res, 0, 2, ();
		3726	push @funcs, "[$func] $line";
		3727	}
		3728
		3729	@funcs
		3730	};
		3731
		3732	LOG llevInfo, "[ABT] $msg\n";
		3733	LOG llevInfo, "[ABT] $_\n" for @bt;
		3734	--$_log_backtrace;
2437	})->();	3735	};
		3736	} else {
		3737	LOG llevInfo, "[ABT] $msg\n";
		3738	LOG llevInfo, "[ABT] [suppressed]\n";
2438	},	3739	}
2439	);	3740	}
		3741
		3742	# load additional modules
		3743	use cf::pod;
2440		3744
2441	END { cf::emergency_save }	3745	END { cf::emergency_save }
2442		3746
2443	1	3747	1
2444		3748

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