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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.391 by root, Fri Oct 26 04:22:05 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;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	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;
53		89
54	our %CFG;	90	our %CFG;
55		91
56	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	93	our $RUNTIME;
58		94
59	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		98
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		105
70	binmode STDOUT;	106	binmode STDOUT;
71	binmode STDERR;	107	binmode STDERR;
72		108
73	# read virtual server time, if available	109	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
78	}	114	}
79		115
80	mkdir cf::localdir;	116	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		118
86	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
87		122
88	#############################################################################	123	#############################################################################
89		124
90	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
91		126
…		…
98	=item $cf::RUNTIME	133	=item $cf::RUNTIME
99		134
100	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
101	every server tick.	136	every server tick.
102		137
103	=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
104		141
105	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		146
108	=item $cf::NOW	147	=item $cf::NOW
109		148
110	The time of the last (current) server tick.	149	The time of the last (current) server tick.
111		150
112	=item $cf::TICK	151	=item $cf::TICK
113		152
114	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.
115		164
116	=item %cf::CFG	165	=item %cf::CFG
117		166
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	168	from wherever your confdir points to.
120		169
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		171
123	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
124	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
125	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.
126	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.
127		181
128	=back	182	=back
129		183
130	=cut	184	=cut
131		185
132	BEGIN {	186	BEGIN {
133	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	188	my $msg = join "", @_;
135	utf8::encode $msg;
136		189
137	$msg .= "\n"	190	$msg .= "\n"
138	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
139		194
140	LOG llevError, $msg;	195	LOG llevError, $msg;
141	};	196	};
142	}	197	}
143		198
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		206
151	# 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
152	# within the Safe compartment.	208	# within the Safe compartment.
153	for my $pkg (qw(	209	for my $pkg (qw(
154	cf::global cf::attachable	210	cf::global cf::attachable
…		…
162	}	218	}
163		219
164	$Event::DIED = sub {	220	$Event::DIED = sub {
165	warn "error in event callback: @_";	221	warn "error in event callback: @_";
166	};	222	};
		223
		224	#############################################################################
167		225
168	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
169		227
170	=over 4	228	=over 4
171		229
…		…
190	$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;
191	$d	249	$d
192	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
193	}	251	}
194		252
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
198		254
199	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
200		256
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
209		258
210	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
211		260
212	=cut	261	=cut
213		262
214	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
216	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
218		267
219	=item cf::lock_wait $string	268	=item cf::lock_wait $string
220		269
221	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
222		271
…		…
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
228	returned.	277	returned.
229		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
230	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
231	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
232		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
233	=cut	289	=cut
234		290
235	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
236		293
237	sub lock_wait($) {	294	sub lock_wait($) {
238	my ($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#
239		301
240	# wait for lock, if any	302	# wait for lock, if any
241	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	305	Coro::schedule;
…		…
249		311
250	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
251	lock_wait $key;	313	lock_wait $key;
252		314
253	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
254		317
255	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
258	}	322	}
259	}	323	}
260		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
261	sub freeze_mainloop {	331	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
263		333
264	my $guard = Coro::guard {	334	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	336	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
270	$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;
271	}	397	}
272		398
273	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
274		400
275	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		406
281	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
282		408
283	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
284		410
285	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
288		415
289	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
292	fast or be very important.	419	fast or be very important.
…		…
295		422
296	sub sync_job(&) {	423	sub sync_job(&) {
297	my ($job) = @_;	424	my ($job) = @_;
298		425
299	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
300	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
302		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
303	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	435	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
306		437
307	my $busy = 1;	438	my $busy = 1;
308	my @res;	439	my @res;
309		440
310	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	443	@res = eval { $job->() };
312	warn $@ if $@;	444	warn $@ if $@;
313	undef $busy;	445	undef $busy;
314	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
315		447
316	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
317	Coro::cede or Event::one_event;	452	Event::one_event;
318	}	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
319		462
320	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
321	} else {	464	} else {
322	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
323		466
…		…
343	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
344		487
345	$coro	488	$coro
346	}	489	}
347		490
348	sub write_runtime {	491	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		492
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	493	Executes the given code block with the given arguments in a seperate
352	or return;	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.
353		497
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	498	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		499
358	aio_fsync $fh	500	sub fork_call(&@) {
359	and return;	501	my ($cb, @args) = @_;
360		502
361	close $fh	503	# we seemingly have to make a local copy of the whole thing,
362	or return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
363		506
364	aio_rename "$runtime~", $runtime	507	my @res = Coro::Util::fork_eval {
365	and return;	508	reset_signals;
		509	&$cb
		510	}, @args;
366		511
		512	wantarray ? @res : $res[-1]
		513	}
		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
367	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 });
368	}	651	}
369		652
370	=back	653	=back
371		654
372	=cut	655	=cut
…		…
379	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")
380	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
381		664
382	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>
383	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
384	crossfire+).	667	Crossfire TRT).
385		668
386	=over 4	669	=over 4
387		670
388	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
389		672
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	786	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	787	our @CB_MAP = ();
505		788
506	my %attachment;	789	my %attachment;
507		790
		791	sub cf::attachable::thawer_merge {
		792	# simply override everything except _meta
		793	local $_[0]{_meta};
		794	%{$_[0]} = %{$_[1]};
		795	}
		796
508	sub _attach_cb($$$$) {	797	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	798	my ($registry, $event, $prio, $cb) = @_;
510		799
511	use sort 'stable';	800	use sort 'stable';
512		801
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
547		836
548	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		841
553	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	843	my $pkg = shift @arg;
555		844
556	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
586	}	875	}
587		876
588	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
589	} else {	878	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	880	}
592		881
593	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
594	}	883	}
595		884
…		…
597	if (ref $_[0]) {	886	if (ref $_[0]) {
598	_object_attach @_;	887	_object_attach @_;
599	} else {	888	} else {
600	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
601	}	890	}
		891	_recalc_want;
602	};	892	};
603		893
604	# all those should be optimised	894	# all those should be optimised
605	sub cf::attachable::detach {	895	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
610	reattach ($obj);	900	reattach ($obj);
611	} else {	901	} else {
612	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
613	}	903	}
		904	_recalc_want;
614	};	905	};
615		906
616	sub cf::attachable::attached {	907	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
618		909
…		…
633	";	924	";
634	die if $@;	925	die if $@;
635	}	926	}
636		927
637	our $override;	928	our $override;
638	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?
639		930
640	sub override {	931	sub override {
641	$override = 1;	932	$override = 1;
642	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
643	}	934	}
644		935
645	sub do_invoke {	936	sub do_invoke {
646	my $event = shift;	937	my $event = shift;
647	my $callbacks = shift;	938	my $callbacks = shift;
648		939
649	@invoke_results = ();	940	@INVOKE_RESULTS = ();
650		941
651	local $override;	942	local $override;
652		943
653	for (@$callbacks) {	944	for (@$callbacks) {
654	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
671		962
672	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
673		964
674	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
675	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
676	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		968
678	=back	969	=back
679		970
680	=cut	971	=cut
681		972
682	#############################################################################	973	#############################################################################
683	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
684		1017
685	sub reattach {	1018	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1020	my ($obj) = @_;
688		1021
…		…
735	sub object_freezer_save {	1068	sub object_freezer_save {
736	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
737		1070
738	sync_job {	1071	sync_job {
739	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
740	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
741	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
742		1076
743	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
745	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746	aio_fsync $fh;	1080	aio_fsync $fh if $cf::USE_FSYNC;
747	close $fh;	1081	close $fh;
748		1082
749	if (@$objs) {	1083	if (@$objs) {
750	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) {
751	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
752	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
753	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
754	aio_fsync $fh;	1088	aio_fsync $fh if $cf::USE_FSYNC;
755	close $fh;	1089	close $fh;
756	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
757	}	1091	}
758	} else {	1092	} else {
759	aio_unlink "$filename.pst";	1093	aio_unlink "$filename.pst";
…		…
765	}	1099	}
766	} else {	1100	} else {
767	aio_unlink $filename;	1101	aio_unlink $filename;
768	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
769	}	1103	}
770	}	1104	};
771	}	1105	}
772		1106
773	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
774	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
775		1109
…		…
787	or return;	1121	or return;
788		1122
789	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
790	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
791	or return;	1125	or return;
		1126
792	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
793	}	1129	}
794		1130
		1131	utf8::decode (my $decname = $filename);
795	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
796	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
797	return ($data, $av);	1135	($data, $av)
798	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
799		1143
800	#############################################################################	1144	#############################################################################
801	# command handling &c	1145	# command handling &c
802		1146
803	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
816	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
817	}	1161	}
818		1162
819	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
820		1164
821	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.
822		1170
823	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
824	called.	1172	called.
825		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
826	=cut	1185	=cut
827		1186
828	sub register_extcmd {	1187	sub register_extcmd {
829	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
830		1189
831	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
832	}	1197	}
833		1198
834	cf::player->attach (	1199	cf::player->attach (
835	on_command => sub {	1200	on_command => sub {
836	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
845	cf::override;	1210	cf::override;
846	},	1211	},
847	on_extcmd => sub {	1212	on_extcmd => sub {
848	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
849		1214
850	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
851		1216
852	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
853	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
854	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
855	$pl->ext_reply ($msg->{msgid}, %reply);
856	}
857	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
858	} else {	1232	} else {
859	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
860	}	1234	}
861		1235
862	cf::override;	1236	cf::override;
863	},	1237	},
864	);	1238	);
865		1239
866	sub load_extension {
867	my ($path) = @_;
868
869	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
870	my $base = $1;
871	my $pkg = $1;
872	$pkg =~ s/[^[:word:]]/_/g;
873	$pkg = "ext::$pkg";
874
875	warn "... loading '$path' into '$pkg'\n";
876
877	open my $fh, "<:utf8", $path
878	or die "$path: $!";
879
880	my $source =
881	"package $pkg; use strict; use utf8;\n"
882	. "#line 1 \"$path\"\n{\n"
883	. (do { local $/; <$fh> })
884	. "\n};\n1";
885
886	unless (eval $source) {
887	my $msg = $@ ? "$path: $@\n"
888	: "extension disabled.\n";
889	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
890	warn $@;
891	warn "mandatory extension failed to load, exiting.\n";
892	exit 1;
893	}
894	die $@;
895	}
896
897	push @EXTS, $pkg;
898	}
899
900	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
901	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
902	next unless -r $ext;	1245	next unless -r $path;
903	eval {	1246
904	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;
905	1	1304	}
906	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
907	}	1310	};
908	}	1311	}
909		1312
910	#############################################################################	1313	#############################################################################
911		1314
		1315	=back
		1316
912	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
913		1318
914	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
915		1320
916	=cut	1321	=cut
…		…
921		1326
922	=head3 cf::player	1327	=head3 cf::player
923		1328
924	=over 4	1329	=over 4
925		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
926	=item cf::player::find $login	1345	=item cf::player::find $login
927		1346
928	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
929		1348
930	=cut	1349	=cut
931		1350
932	sub playerdir($) {	1351	sub playerdir($) {
933	cf::localdir	1352	"$PLAYERDIR/"
934	. "/"
935	. cf::playerdir
936	. "/"
937	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
938	}	1354	}
939		1355
940	sub path($) {	1356	sub path($) {
941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942		1358
943	(playerdir $login) . "/$login.pl"	1359	(playerdir $login) . "/playerdata"
944	}	1360	}
945		1361
946	sub find_active($) {	1362	sub find_active($) {
947	$cf::PLAYER{$_[0]}	1363	$cf::PLAYER{$_[0]}
948	and $cf::PLAYER{$_[0]}->active	1364	and $cf::PLAYER{$_[0]}->active
…		…
951		1367
952	sub exists($) {	1368	sub exists($) {
953	my ($login) = @_;	1369	my ($login) = @_;
954		1370
955	$cf::PLAYER{$login}	1371	$cf::PLAYER{$login}
956	or cf::sync_job { !aio_stat $login }	1372	or cf::sync_job { !aio_stat path $login }
957	}	1373	}
958		1374
959	sub find($) {	1375	sub find($) {
960	return $cf::PLAYER{$_[0]} || do {	1376	return $cf::PLAYER{$_[0]} || do {
961	my $login = $_[0];	1377	my $login = $_[0];
962		1378
963	my $guard = cf::lock_acquire "user_find:$login";	1379	my $guard = cf::lock_acquire "user_find:$login";
964		1380
965	$cf::PLAYER{$_[0]} || do {	1381	$cf::PLAYER{$_[0]} || do {
966	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
967	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;
968	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
969	}	1397	}
970	}	1398	}
971	}	1399	}
972		1400
…		…
982		1410
983	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
984	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
985		1413
986	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
987	Coro::cede;	1415	cf::cede_to_tick;
988	}	1416	}
989		1417
990	sub new($) {	1418	sub new($) {
991	my ($login) = @_;	1419	my ($login) = @_;
992		1420
…		…
998	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
999		1427
1000	$self	1428	$self
1001	}	1429	}
1002		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
1003	=item $pl->quit_character	1441	=item $pl->quit_character
1004		1442
1005	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
1006	be destroyed. May block for a long time.	1444	be destroyed. May block for a long time.
1007		1445
1008	=cut	1446	=cut
1009		1447
1010	sub quit_character {	1448	sub quit_character {
1011	my ($pl) = @_;	1449	my ($pl) = @_;
		1450
		1451	my $name = $pl->ob->name;
1012		1452
1013	$pl->{deny_save} = 1;	1453	$pl->{deny_save} = 1;
1014	$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
1015		1455
1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1021	my $path = playerdir $pl;	1461	my $path = playerdir $pl;
1022	my $temp = "$path~$cf::RUNTIME~deleting~";	1462	my $temp = "$path~$cf::RUNTIME~deleting~";
1023	aio_rename $path, $temp;	1463	aio_rename $path, $temp;
1024	delete $cf::PLAYER{$pl->ob->name};	1464	delete $cf::PLAYER{$pl->ob->name};
1025	$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
1026	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;
1027	}	1487	}
1028		1488
1029	=item cf::player::list_logins	1489	=item cf::player::list_logins
1030		1490
1031	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
1032	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1033		1493
1034	=cut	1494	=cut
1035		1495
1036	sub list_logins {	1496	sub list_logins {
1037	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1038	or return [];	1498	or return [];
1039		1499
1040	my @logins;	1500	my @logins;
1041		1501
1042	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") {
1043	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1044	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1045	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1046		1511
1047	utf8::decode $login;	1512	utf8::decode $login;
1048	push @logins, $login;	1513	push @logins, $login;
1049	}	1514	}
1050		1515
…		…
1058		1523
1059	=cut	1524	=cut
1060		1525
1061	sub maps($) {	1526	sub maps($) {
1062	my ($pl) = @_;	1527	my ($pl) = @_;
		1528
		1529	$pl = ref $pl ? $pl->ob->name : $pl;
1063		1530
1064	my $files = aio_readdir playerdir $pl	1531	my $files = aio_readdir playerdir $pl
1065	or return;	1532	or return;
1066		1533
1067	my @paths;	1534	my @paths;
…		…
1069	for (@$files) {	1536	for (@$files) {
1070	utf8::decode $_;	1537	utf8::decode $_;
1071	next if /\.(?:pl|pst)$/;	1538	next if /\.(?:pl|pst)$/;
1072	next unless /^$PATH_SEP/o;	1539	next unless /^$PATH_SEP/o;
1073		1540
1074	s/\.map$//;	1541	push @paths, cf::map::normalise "~$pl/$_";
1075	push @paths, "~" . $pl->ob->name . "/" . $_;
1076	}	1542	}
1077		1543
1078	\@paths	1544	\@paths
1079	}	1545	}
1080		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	use re 'eval';
		1554
		1555	my $group;
		1556	my $interior; $interior = qr{
		1557	(?:
		1558	\ (.*?)\ (?{ $group = $^N })
		1559	| < (??{$interior}) >
		1560	)
		1561	}x;
		1562
		1563	sub expand_cfpod {
		1564	my ($self, $pod) = @_;
		1565
		1566	my $xml;
		1567
		1568	while () {
		1569	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?=[^<]) )+ )/xgcs) {
		1570	$group = $1;
		1571
		1572	$group =~ s/&/&amp;/g;
		1573	$group =~ s/</&lt;/g;
		1574
		1575	$xml .= $group;
		1576	} elsif ($pod =~ m%\G
		1577	([BCGHITU])
		1578	<
		1579	(?:
		1580	([^<>]*) (?{ $group = $^N })
		1581	| < $interior >
		1582	)
		1583	>
		1584	%gcsx
		1585	) {
		1586	my ($code, $data) = ($1, $group);
		1587
		1588	if ($code eq "B") {
		1589	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1590	} elsif ($code eq "I") {
		1591	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1592	} elsif ($code eq "U") {
		1593	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1594	} elsif ($code eq "C") {
		1595	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1596	} elsif ($code eq "T") {
		1597	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1598	} elsif ($code eq "G") {
		1599	my ($male, $female) = split /\|/, $data;
		1600	$data = $self->gender ? $female : $male;
		1601	$xml .= expand_cfpod ($self, $data);
		1602	} elsif ($code eq "H") {
		1603	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1604	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1605	"")
		1606	[$self->{hintmode}];
		1607	} else {
		1608	$xml .= "error processing '$code($data)' directive";
		1609	}
		1610	} else {
		1611	if ($pod =~ /\G(.+)/) {
		1612	warn "parse error while expanding $pod (at $1)";
		1613	}
		1614	last;
		1615	}
		1616	}
		1617
		1618	for ($xml) {
		1619	# create single paragraphs (very hackish)
		1620	s/(?<=\S)\n(?=\w)/ /g;
		1621
		1622	# compress some whitespace
		1623	s/\s+\n/\n/g; # ws line-ends
		1624	s/\n\n+/\n/g; # double lines
		1625	s/^\n+//; # beginning lines
		1626	s/\n+$//; # ending lines
		1627	}
		1628
		1629	$xml
		1630	}
		1631
		1632	sub hintmode {
		1633	$_[0]{hintmode} = $_[1] if @_ > 1;
		1634	$_[0]{hintmode}
		1635	}
		1636
1081	=item $player->ext_reply ($msgid, $msgtype, %msg)	1637	=item $player->ext_reply ($msgid, @msg)
1082		1638
1083	Sends an ext reply to the player.	1639	Sends an ext reply to the player.
1084		1640
1085	=cut	1641	=cut
1086		1642
1087	sub ext_reply($$$%) {	1643	sub ext_reply($$@) {
1088	my ($self, $id, %msg) = @_;	1644	my ($self, $id, @msg) = @_;
1089		1645
1090	$msg{msgid} = $id;	1646	$self->ns->ext_reply ($id, @msg)
1091
1092	$self->send ("ext " . cf::to_json \%msg);
1093	}	1647	}
1094		1648
1095	package cf;	1649	=item $player->ext_msg ($type, @msg)
		1650
		1651	Sends an ext event to the client.
		1652
		1653	=cut
		1654
		1655	sub ext_msg($$@) {
		1656	my ($self, $type, @msg) = @_;
		1657
		1658	$self->ns->ext_msg ($type, @msg);
		1659	}
		1660
		1661	=head3 cf::region
		1662
		1663	=over 4
		1664
		1665	=cut
		1666
		1667	package cf::region;
		1668
		1669	=item cf::region::find_by_path $path
		1670
		1671	Tries to decuce the likely region for a map knowing only its path.
		1672
		1673	=cut
		1674
		1675	sub find_by_path($) {
		1676	my ($path) = @_;
		1677
		1678	my ($match, $specificity);
		1679
		1680	for my $region (list) {
		1681	if ($region->{match} && $path =~ $region->{match}) {
		1682	($match, $specificity) = ($region, $region->specificity)
		1683	if $region->specificity > $specificity;
		1684	}
		1685	}
		1686
		1687	$match
		1688	}
1096		1689
1097	=back	1690	=back
1098
1099		1691
1100	=head3 cf::map	1692	=head3 cf::map
1101		1693
1102	=over 4	1694	=over 4
1103		1695
…		…
1107		1699
1108	use Fcntl;	1700	use Fcntl;
1109	use Coro::AIO;	1701	use Coro::AIO;
1110		1702
1111	use overload	1703	use overload
1112	'""' => \&as_string;	1704	'""' => \&as_string,
		1705	fallback => 1;
1113		1706
1114	our $MAX_RESET = 3600;	1707	our $MAX_RESET = 3600;
1115	our $DEFAULT_RESET = 3000;	1708	our $DEFAULT_RESET = 3000;
1116		1709
1117	sub generate_random_map {	1710	sub generate_random_map {
1118	my ($self, $rmp) = @_;	1711	my ($self, $rmp) = @_;
1119
1120	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1121	$self->_create_random_map (	1713	$self->_create_random_map (
1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1124	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1723	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132	(cf::region::find $rmp->{region}), $rmp->{custom}	1724	(cf::region::find $rmp->{region}), $rmp->{custom}
1133	)	1725	)
1134	}	1726	}
1135		1727
		1728	=item cf::map->register ($regex, $prio)
		1729
		1730	Register a handler for the map path matching the given regex at the
		1731	givne priority (higher is better, built-in handlers have priority 0, the
		1732	default).
		1733
		1734	=cut
		1735
1136	sub register {	1736	sub register {
1137	my (undef, $regex) = @_;	1737	my (undef, $regex, $prio) = @_;
1138	my $pkg = caller;	1738	my $pkg = caller;
1139		1739
1140	no strict;	1740	no strict;
1141	push @{"$pkg\::ISA"}, __PACKAGE__;	1741	push @{"$pkg\::ISA"}, __PACKAGE__;
1142		1742
1143	$EXT_MAP{$pkg} = qr<$regex>;	1743	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144	}	1744	}
1145		1745
1146	# also paths starting with '/'	1746	# also paths starting with '/'
1147	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1747	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1748
		1749	sub thawer_merge {
		1750	my ($self, $merge) = @_;
		1751
		1752	# we have to keep some variables in memory intact
		1753	local $self->{path};
		1754	local $self->{load_path};
		1755
		1756	$self->SUPER::thawer_merge ($merge);
		1757	}
1148		1758
1149	sub normalise {	1759	sub normalise {
1150	my ($path, $base) = @_;	1760	my ($path, $base) = @_;
		1761
		1762	$path = "$path"; # make sure its a string
		1763
		1764	$path =~ s/\.map$//;
1151		1765
1152	# map plan:	1766	# map plan:
1153	#	1767	#
1154	# /! non-realised random map exit (special hack!)	1768	# /! non-realised random map exit (special hack!)
1155	# {... are special paths that are not being touched	1769	# {... are special paths that are not being touched
…		…
1183		1797
1184	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1798	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185		1799
1186	$path = normalise $path, $base;	1800	$path = normalise $path, $base;
1187		1801
1188	for my $pkg (keys %EXT_MAP) {	1802	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189	if ($path =~ $EXT_MAP{$pkg}) {	1803	if ($path =~ $EXT_MAP{$pkg}[1]) {
1190	my $self = bless cf::map::new, $pkg;	1804	my $self = bless cf::map::new, $pkg;
1191	$self->{path} = $path; $self->path ($path);	1805	$self->{path} = $path; $self->path ($path);
1192	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1193	return $self;	1807	return $self;
1194	}	1808	}
1195	}	1809	}
1196		1810
1197	Carp::carp "unable to resolve path '$path'.";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1198	()	1812	()
1199	}	1813	}
1200		1814
1201	sub init {	1815	sub init {
1202	my ($self) = @_;	1816	my ($self) = @_;
…		…
1217		1831
1218	# the original (read-only) location	1832	# the original (read-only) location
1219	sub load_path {	1833	sub load_path {
1220	my ($self) = @_;	1834	my ($self) = @_;
1221		1835
1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1836	"$MAPDIR/$self->{path}.map"
1223	}	1837	}
1224		1838
1225	# the temporary/swap location	1839	# the temporary/swap location
1226	sub save_path {	1840	sub save_path {
1227	my ($self) = @_;	1841	my ($self) = @_;
1228		1842
1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1844	"$TMPDIR/$path.map"
1231	}	1845	}
1232		1846
1233	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1234	sub uniq_path {	1848	sub uniq_path {
1235	my ($self) = @_;	1849	my ($self) = @_;
1236		1850
1237	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1238	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1852	"$UNIQUEDIR/$path"
1239	}	1853	}
1240		1854
1241	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1242	# all maps in C++...	1856	# all maps in C++...
1243	sub change_all_map_light {	1857	sub change_all_map_light {
…		…
1245		1859
1246	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1247	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1248	}	1862	}
1249		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1250	sub unlink_save {	1872	sub unlink_save {
1251	my ($self) = @_;	1873	my ($self) = @_;
1252		1874
1253	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1877	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256	}	1878	}
1257		1879
1258	sub load_header_from($) {	1880	sub load_header_from($) {
1259	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1260		1882
1261	utf8::encode $path;	1883	utf8::encode $path;
1262	aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1263	or return;	1885	or return;
1264		1886
1265	$self->_load_header ($path)	1887	$self->_load_header ($f)
1266	or return;	1888	or return;
1267		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
		1892
1268	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1269		1894
1270	1	1895	1
1271	}	1896	}
1272		1897
1273	sub load_orig {	1898	sub load_header_orig {
1274	my ($self) = @_;	1899	my ($self) = @_;
1275		1900
1276	$self->load_header_from ($self->load_path)	1901	$self->load_header_from ($self->load_path)
1277	}	1902	}
1278		1903
1279	sub load_temp {	1904	sub load_header_temp {
1280	my ($self) = @_;	1905	my ($self) = @_;
1281		1906
1282	$self->load_header_from ($self->save_path)	1907	$self->load_header_from ($self->save_path)
		1908	}
		1909
		1910	sub prepare_temp {
		1911	my ($self) = @_;
		1912
		1913	$self->last_access ((delete $self->{last_access})
		1914	|| $cf::RUNTIME); #d#
		1915	# safety
		1916	$self->{instantiate_time} = $cf::RUNTIME
		1917	if $self->{instantiate_time} > $cf::RUNTIME;
		1918	}
		1919
		1920	sub prepare_orig {
		1921	my ($self) = @_;
		1922
		1923	$self->{load_original} = 1;
		1924	$self->{instantiate_time} = $cf::RUNTIME;
		1925	$self->last_access ($cf::RUNTIME);
		1926	$self->instantiate;
1283	}	1927	}
1284		1928
1285	sub load_header {	1929	sub load_header {
1286	my ($self) = @_;	1930	my ($self) = @_;
1287		1931
1288	if ($self->load_temp) {	1932	if ($self->load_header_temp) {
1289	$self->last_access ((delete $self->{last_access})	1933	$self->prepare_temp;
1290	|| $cf::RUNTIME); #d#
1291	# safety
1292	$self->{instantiate_time} = $cf::RUNTIME
1293	if $self->{instantiate_time} > $cf::RUNTIME;
1294	} else {	1934	} else {
1295	$self->load_orig	1935	$self->load_header_orig
1296	or return;	1936	or return;
1297		1937	$self->prepare_orig;
1298	$self->{load_original} = 1;
1299	$self->{instantiate_time} = $cf::RUNTIME;
1300	$self->last_access ($cf::RUNTIME);
1301	$self->instantiate;
1302	}	1938	}
		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
		1943	$self->default_region (cf::region::find_by_path $self->{path})
		1944	unless $self->default_region;
1303		1945
1304	1	1946	1
1305	}	1947	}
1306		1948
1307	sub find;	1949	sub find;
1308	sub find {	1950	sub find {
1309	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1310		1952
1311	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1312		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1313	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1314		1957
1315	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
1316	my $guard = cf::lock_acquire "map_find:$path";	1959	my $guard1 = cf::lock_acquire "map_find:$path";
		1960	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1961
1317	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1318	or return;	1963	or return;
1319		1964
1320	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1321		1966
1322	$map->load_header	1967	$map->load_header
1323	or return;	1968	or return;
1324		1969
1325	if ($map->should_reset) {	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1971	# doing this can freeze the server in a sync job, obviously
		1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard1;
		1974	undef $guard2;
1326	$map->reset;	1975	$map->reset;
1327	undef $guard;
1328	$map = find $path	1976	return find $path;
1329	or return;
1330	}	1977	}
1331		1978
1332	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1333	}	1980	}
1334	}	1981	}
		1982
		1983	sub pre_load { }
		1984	sub post_load { }
1335		1985
1336	sub load {	1986	sub load {
1337	my ($self) = @_;	1987	my ($self) = @_;
1338		1988
		1989	local $self->{deny_reset} = 1; # loading can take a long time
		1990
1339	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1340	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1341		1995
		1996	return unless $self->valid;
1342	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1343		1998
1344	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1345		2000
1346	$self->alloc;	2001	$self->alloc;
1347	$self->_load_objects ($self->{load_path}, 1)	2002
		2003	$self->pre_load;
		2004	cf::cede_to_tick;
		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1348	or return;	2009	or return;
1349		2010
1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1351	if delete $self->{load_original};	2012	if delete $self->{load_original};
1352		2013
1353	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1354	utf8::encode $uniq;	2015	utf8::encode $uniq;
1355	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1356	$self->clear_unique_items;	2018	$self->clear_unique_items;
1357	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1358	}	2022	}
1359	}	2023	}
1360		2024
1361	Coro::cede;	2025	$f->resolve_delayed_derefs;
1362		2026
		2027	cf::cede_to_tick;
1363	# now do the right thing for maps	2028	# now do the right thing for maps
1364	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1365
1366	unless ($self->{deny_activate}) {
1367	$self->decay_objects;
1368	$self->fix_auto_apply;
1369	$self->update_buttons;
1370	Coro::cede;
1371	$self->set_darkness_map;
1372	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1373	unless $self->difficulty;	2031	unless $self->difficulty;
1374	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
		2039	$self->set_darkness_map;
		2040	cf::cede_to_tick;
1375	$self->activate;	2041	$self->activate;
1376	}	2042	}
1377		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
1378	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_IN_MEMORY);
		2048	}
		2049
		2050	$self->post_load;
1379	}	2051	}
1380		2052
1381	sub customise_for {	2053	sub customise_for {
1382	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1383		2055
1384	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1385	if $self->per_player;	2057	if $self->per_player;
1386		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1387	$self	2062	$self
1388	}	2063	}
1389		2064
1390	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1391	sub load_diag {	2066	sub load_neighbours {
1392	my ($map) = @_;	2067	my ($map) = @_;
1393		2068
1394	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1395		2070
1396	for (0 .. 3) {	2071	for (0 .. 3) {
1397	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1398	or next;	2073	or next;
1399	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1400	or next;	2075	or next;
1401	$neigh->load;	2076	$neigh->load;
1402		2077
		2078	push @neigh,
1403	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1404	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1405	}	2081	}
1406		2082
1407	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1408	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1409	or next;	2086	or next;
1410	$neigh->load;	2087	$neigh->load;
1411	}	2088	}
1412	}	2089	}
1413		2090
…		…
1418	}	2095	}
1419		2096
1420	sub do_load_sync {	2097	sub do_load_sync {
1421	my ($map) = @_;	2098	my ($map) = @_;
1422		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1423	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1424	}	2104	}
1425		2105
1426	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1427	our $MAP_PREFETCHER = Coro::async {	2107	our $MAP_PREFETCHER = undef;
1428	while () {
1429	for my $path (keys %MAP_PREFETCH) {
1430	my $map = find $path
1431	or next;
1432	$map->load;
1433
1434	delete $MAP_PREFETCH{$path};
1435	}
1436	Coro::schedule;
1437	}
1438	};
1439		2108
1440	sub find_async {	2109	sub find_async {
1441	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1442		2111
1443	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1444		2113
1445	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1446	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2116	}
		2117
		2118	$MAP_PREFETCH{$path} |= $load;
		2119
		2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
		2123	while (%MAP_PREFETCH) {
		2124	while (my ($k, $v) = each %MAP_PREFETCH) {
		2125	if (my $map = find $k) {
		2126	$map->load if $v;
		2127	}
		2128
		2129	delete $MAP_PREFETCH{$k};
		2130	}
		2131	}
		2132	undef $MAP_PREFETCHER;
1447	}	2133	};
1448
1449	$MAP_PREFETCH{$path} = 0;
1450	$MAP_PREFETCHER->ready;	2134	$MAP_PREFETCHER->prio (6);
1451		2135
1452	()	2136	()
1453	}	2137	}
1454		2138
1455	sub save {	2139	sub save {
1456	my ($self) = @_;	2140	my ($self) = @_;
1457		2141
1458	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1459		2143
1460	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1461		2145
1462	return unless $self->dirty;	2146	return unless $self->dirty;
1463		2147
…		…
1469	return if $self->{deny_save};	2153	return if $self->{deny_save};
1470		2154
1471	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1472		2156
1473	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1474	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1475	};	2160	};
1476		2161
1477	if ($uniq) {	2162	if ($uniq) {
1478	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1486	my ($self) = @_;	2171	my ($self) = @_;
1487		2172
1488	# save first because save cedes	2173	# save first because save cedes
1489	$self->save;	2174	$self->save;
1490		2175
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2177
1493	return if $self->players;	2178	return if $self->players;
1494	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_IN_MEMORY;
1495	return if $self->{deny_save};	2180	return if $self->{deny_save};
1496		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1497	$self->clear;	2186	$self->clear;
1498	$self->in_memory (cf::MAP_SWAPPED);
1499	}	2187	}
1500		2188
1501	sub reset_at {	2189	sub reset_at {
1502	my ($self) = @_;	2190	my ($self) = @_;
1503		2191
1504	# TODO: safety, remove and allow resettable per-player maps	2192	# TODO: safety, remove and allow resettable per-player maps
1505	return 1e99 if $self->isa ("ext::map_per_player");#d#
1506	return 1e99 if $self->{deny_reset};	2193	return 1e99 if $self->{deny_reset};
1507		2194
1508	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510		2197
…		…
1515	my ($self) = @_;	2202	my ($self) = @_;
1516		2203
1517	$self->reset_at <= $cf::RUNTIME	2204	$self->reset_at <= $cf::RUNTIME
1518	}	2205	}
1519		2206
1520	sub rename {
1521	my ($self, $new_path) = @_;
1522
1523	normalise $new_path;
1524
1525	$self->unlink_save;
1526
1527	delete $cf::MAP{$self->path};
1528	$self->{path} = $new_path; $self->path ($self->{path});
1529	$cf::MAP{$self->path} = $self;
1530
1531	$self->save;
1532	}
1533
1534	sub reset {	2207	sub reset {
1535	my ($self) = @_;	2208	my ($self) = @_;
1536		2209
1537	my $lock = cf::lock_acquire "map_data:$self->{path}";	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1538		2211
1539	return if $self->players;	2212	return if $self->players;
1540	return if $self->isa ("ext::map_per_player");#d#
1541		2213
1542	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
		2215
		2216	$self->in_memory (cf::MAP_SWAPPED);
		2217
		2218	# need to save uniques path
		2219	unless ($self->{deny_save}) {
		2220	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2221
		2222	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2223	if $uniq;
		2224	}
1543		2225
1544	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1545		2227
1546	$self->in_memory (cf::MAP_SWAPPED);	2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1547	$self->clear;	2230	$self->clear;
1548
1549	$_->clear_links_to ($self) for values %cf::MAP;
1550		2231
1551	$self->unlink_save;	2232	$self->unlink_save;
1552	$self->destroy;	2233	$self->destroy;
1553	}	2234	}
1554		2235
1555	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1556		2237
1557	sub nuke {	2238	sub nuke {
1558	my ($self) = @_;	2239	my ($self) = @_;
1559		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
		2244	delete $cf::MAP{$self->path};
		2245
		2246	$self->unlink_save;
		2247
		2248	bless $self, "cf::map";
		2249	delete $self->{deny_reset};
1560	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2253
		2254	$cf::MAP{$self->path} = $self;
		2255	}
		2256
1563	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
		2258	}
		2259
		2260	=item $maps = cf::map::tmp_maps
		2261
		2262	Returns an arrayref with all map paths of currently instantiated and saved
		2263	maps. May block.
		2264
		2265	=cut
		2266
		2267	sub tmp_maps() {
		2268	[
		2269	map {
		2270	utf8::decode $_;
		2271	/\.map$/
		2272	? normalise $_
		2273	: ()
		2274	} @{ aio_readdir $TMPDIR or [] }
		2275	]
		2276	}
		2277
		2278	=item $maps = cf::map::random_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	random maps. May block.
		2282
		2283	=cut
		2284
		2285	sub random_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise "?random/$_"
		2291	: ()
		2292	} @{ aio_readdir $RANDOMDIR or [] }
		2293	]
1564	}	2294	}
1565		2295
1566	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1567		2297
1568	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1569	instantiated unique items. May block.	2299	instantiated unique items. May block.
1570		2300
1571	=cut	2301	=cut
1572		2302
1573	sub unique_maps() {	2303	sub unique_maps() {
1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2304	[
1575	or return;	2305	map {
1576
1577	my @paths;
1578
1579	for (@$files) {
1580	utf8::decode $_;	2306	utf8::decode $_;
1581	next if /\.pst$/;
1582	next unless /^$PATH_SEP/o;
1583
1584	s/\.map$//;	2307	/\.map$/
1585	push @paths, $_;	2308	? normalise $_
		2309	: ()
		2310	} @{ aio_readdir $UNIQUEDIR or [] }
1586	}	2311	]
1587
1588	\@paths
1589	}	2312	}
1590		2313
1591	package cf;	2314	package cf;
1592		2315
1593	=back	2316	=back
…		…
1611	map { $_, inv_recursive_ $_->inv } @_	2334	map { $_, inv_recursive_ $_->inv } @_
1612	}	2335	}
1613		2336
1614	sub inv_recursive {	2337	sub inv_recursive {
1615	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
		2339	}
		2340
		2341	=item $ref = $ob->ref
		2342
		2343	creates and returns a persistent reference to an objetc that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
1616	}	2367	}
1617		2368
1618	package cf;	2369	package cf;
1619		2370
1620	=back	2371	=back
…		…
1639		2390
1640	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2391	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641		2392
1642	if ($self->{record_replies}) {	2393	if ($self->{record_replies}) {
1643	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2394	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2395
1644	} else {	2396	} else {
		2397	my $pl = $self->contr;
		2398
		2399	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2400	my $dialog = $pl->{npc_dialog};
		2401	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2402
		2403	} else {
1645	$msg = $npc->name . " says: $msg" if $npc;	2404	$msg = $npc->name . " says: $msg" if $npc;
1646	$self->message ($msg, $flags);	2405	$self->message ($msg, $flags);
		2406	}
1647	}	2407	}
		2408	}
		2409
		2410	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2411
		2412	=cut
		2413
		2414	sub cf::object::send_msg {
		2415	my $pl = shift->contr
		2416	or return;
		2417	$pl->send_msg (@_);
1648	}	2418	}
1649		2419
1650	=item $player_object->may ("access")	2420	=item $player_object->may ("access")
1651		2421
1652	Returns wether the given player is authorized to access resource "access"	2422	Returns wether the given player is authorized to access resource "access"
…		…
1684	=cut	2454	=cut
1685		2455
1686	sub link_map {	2456	sub link_map {
1687	unless ($LINK_MAP) {	2457	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	2458	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2459	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	2460	$LINK_MAP->load;
1691	}	2461	}
1692		2462
1693	$LINK_MAP	2463	$LINK_MAP
1694	}	2464	}
…		…
1699	$self->deactivate_recursive;	2469	$self->deactivate_recursive;
1700		2470
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	2471	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		2472
1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2473	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	2474	if $self->map && $self->map->{path} ne "{link}";
1705		2475
1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2476	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1707	}	2477	}
1708		2478
1709	sub cf::object::player::leave_link {	2479	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	2480	my ($self, $map, $x, $y) = @_;
		2481
		2482	return unless $self->contr->active;
1711		2483
1712	my $link_pos = delete $self->{_link_pos};	2484	my $link_pos = delete $self->{_link_pos};
1713		2485
1714	unless ($map) {	2486	unless ($map) {
1715	# restore original map position	2487	# restore original map position
…		…
1729	# use -1 or undef as default coordinates, not 0, 0	2501	# use -1 or undef as default coordinates, not 0, 0
1730	($x, $y) = ($map->enter_x, $map->enter_y)	2502	($x, $y) = ($map->enter_x, $map->enter_y)
1731	if $x <=0 && $y <= 0;	2503	if $x <=0 && $y <= 0;
1732		2504
1733	$map->load;	2505	$map->load;
1734	$map->load_diag;	2506	$map->load_neighbours;
1735		2507
1736	return unless $self->contr->active;	2508	return unless $self->contr->active;
1737	$self->activate_recursive;	2509	$self->activate_recursive;
		2510
		2511	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738	$self->enter_map ($map, $x, $y);	2512	$self->enter_map ($map, $x, $y);
1739	}	2513	}
1740		2514
1741	cf::player->attach (	2515	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1742	on_logout => sub {
1743	my ($pl) = @_;
1744		2516
1745	# abort map switching before logout	2517	Moves the player to the given map-path and coordinates by first freezing
1746	if ($pl->ob->{_link_pos}) {	2518	her, loading and preparing them map, calling the provided $check callback
1747	cf::sync_job {	2519	that has to return the map if sucecssful, and then unfreezes the player on
1748	$pl->ob->leave_link	2520	the new (success) or old (failed) map position. In either case, $done will
1749	};	2521	be called at the end of this process.
1750	}
1751	},
1752	on_login => sub {
1753	my ($pl) = @_;
1754		2522
1755	# try to abort aborted map switching on player login :)
1756	# should happen only on crashes
1757	if ($pl->ob->{_link_pos}) {
1758	$pl->ob->enter_link;
1759	(async {
1760	# we need this sleep as the login has a concurrent enter_exit running
1761	# and this sleep increases chances of the player not ending up in scorn
1762	$pl->ob->reply (undef,
1763	"There was an internal problem at your last logout, "
1764	. "the server will try to bring you to your intended destination in a second.",
1765	cf::NDI_RED);
1766	Coro::Timer::sleep 1;
1767	$pl->ob->leave_link;
1768	})->prio (2);
1769	}
1770	},
1771	);
1772
1773	=item $player_object->goto ($path, $x, $y)
1774
1775	=cut	2523	=cut
		2524
		2525	our $GOTOGEN;
1776		2526
1777	sub cf::object::player::goto {	2527	sub cf::object::player::goto {
1778	my ($self, $path, $x, $y) = @_;	2528	my ($self, $path, $x, $y, $check, $done) = @_;
		2529
		2530	# do generation counting so two concurrent goto's will be executed in-order
		2531	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1779		2532
1780	$self->enter_link;	2533	$self->enter_link;
1781		2534
1782	(async {	2535	(async {
1783	my $map = cf::map::find $path;	2536	$Coro::current->{desc} = "player::goto $path $x $y";
		2537
		2538	# *tag paths override both path and x|y
		2539	if ($path =~ /^\*(.*)$/) {
		2540	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2541	my $ob = $obs[rand @obs];
		2542
		2543	# see if we actually can go there
		2544	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2545	$ob = $obs[rand @obs];
		2546	} else {
		2547	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2548	}
		2549	# else put us there anyways for now #d#
		2550
		2551	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2552	} else {
		2553	($path, $x, $y) = (undef, undef, undef);
		2554	}
		2555	}
		2556
		2557	my $map = eval {
		2558	my $map = defined $path ? cf::map::find $path : undef;
		2559
		2560	if ($map) {
1784	$map = $map->customise_for ($self) if $map;	2561	$map = $map->customise_for ($self);
1785		2562	$map = $check->($map) if $check && $map;
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	2563	} else {
1787	# if $map;
1788
1789	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2564	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2565	}
1790		2566
		2567	$map
		2568	};
		2569
		2570	if ($@) {
		2571	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2572	LOG llevError | logBacktrace, Carp::longmess $@;
		2573	}
		2574
		2575	if ($gen == $self->{_goto_generation}) {
		2576	delete $self->{_goto_generation};
1791	$self->leave_link ($map, $x, $y);	2577	$self->leave_link ($map, $x, $y);
		2578	}
		2579
		2580	$done->() if $done;
1792	})->prio (1);	2581	})->prio (1);
1793	}	2582	}
1794		2583
1795	=item $player_object->enter_exit ($exit_object)	2584	=item $player_object->enter_exit ($exit_object)
1796		2585
…		…
1798		2587
1799	sub parse_random_map_params {	2588	sub parse_random_map_params {
1800	my ($spec) = @_;	2589	my ($spec) = @_;
1801		2590
1802	my $rmp = { # defaults	2591	my $rmp = { # defaults
1803	xsize => 10,	2592	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	2593	ysize => (cf::rndm 15, 40),
		2594	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2595	#layout => string,
1805	};	2596	};
1806		2597
1807	for (split /\n/, $spec) {	2598	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	2599	my ($k, $v) = split /\s+/, $_, 2;
1809		2600
…		…
1813	$rmp	2604	$rmp
1814	}	2605	}
1815		2606
1816	sub prepare_random_map {	2607	sub prepare_random_map {
1817	my ($exit) = @_;	2608	my ($exit) = @_;
		2609
		2610	my $guard = cf::lock_acquire "exit_prepare:$exit";
1818		2611
1819	# all this does is basically replace the /! path by	2612	# all this does is basically replace the /! path by
1820	# a new random map path (?random/...) with a seed	2613	# a new random map path (?random/...) with a seed
1821	# that depends on the exit object	2614	# that depends on the exit object
1822		2615
1823	my $rmp = parse_random_map_params $exit->msg;	2616	my $rmp = parse_random_map_params $exit->msg;
1824		2617
1825	if ($exit->map) {	2618	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	2619	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	2620	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	2621	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	2622	$rmp->{origin_y} = $exit->y;
1830	}	2623	}
1831		2624
1832	$rmp->{random_seed} ||= $exit->random_seed;	2625	$rmp->{random_seed} ||= $exit->random_seed;
1833		2626
1834	my $data = cf::to_json $rmp;	2627	my $data = cf::to_json $rmp;
1835	my $md5 = Digest::MD5::md5_hex $data;	2628	my $md5 = Digest::MD5::md5_hex $data;
		2629	my $meta = "$RANDOMDIR/$md5.meta";
1836		2630
1837	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2631	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838	aio_write $fh, 0, (length $data), $data, 0;	2632	aio_write $fh, 0, (length $data), $data, 0;
		2633	undef $fh;
		2634	aio_rename "$meta~", $meta;
1839		2635
1840	$exit->slaying ("?random/$md5");	2636	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2637	$exit->msg (undef);
1842	}	2638	}
1843	}	2639	}
…		…
1845	sub cf::object::player::enter_exit {	2641	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2642	my ($self, $exit) = @_;
1847		2643
1848	return unless $self->type == cf::PLAYER;	2644	return unless $self->type == cf::PLAYER;
1849		2645
		2646	if ($exit->slaying eq "/!") {
		2647	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2648	# the problem is that $exit might not survive long enough
		2649	# so it needs to be done right now, right here
		2650	cf::sync_job { prepare_random_map $exit };
		2651	}
		2652
		2653	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2654	my $hp = $exit->stats->hp;
		2655	my $sp = $exit->stats->sp;
		2656
1850	$self->enter_link;	2657	$self->enter_link;
1851		2658
		2659	# if exit is damned, update players death & WoR home-position
		2660	$self->contr->savebed ($slaying, $hp, $sp)
		2661	if $exit->flag (FLAG_DAMNED);
		2662
1852	(async {	2663	(async {
		2664	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2665
1853	$self->deactivate_recursive; # just to be sure	2666	$self->deactivate_recursive; # just to be sure
1854	unless (eval {	2667	unless (eval {
1855	prepare_random_map $exit	2668	$self->goto ($slaying, $hp, $sp);
1856	if $exit->slaying eq "/!";
1857
1858	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1859	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1860		2669
1861	1;	2670	1;
1862	}) {	2671	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2672	$self->message ("Something went wrong deep within the crossfire server. "
1864	. "I'll try to bring you back to the map you were before. "	2673	. "I'll try to bring you back to the map you were before. "
1865	. "Please report this to the dungeon master!",	2674	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE | cf::NDI_RED);	2675	cf::NDI_UNIQUE | cf::NDI_RED);
1867		2676
1868	warn "ERROR in enter_exit: $@";	2677	warn "ERROR in enter_exit: $@";
1869	$self->leave_link;	2678	$self->leave_link;
1870	}	2679	}
1871	})->prio (1);	2680	})->prio (1);
…		…
1884		2693
1885	sub cf::client::send_drawinfo {	2694	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2695	my ($self, $text, $flags) = @_;
1887		2696
1888	utf8::encode $text;	2697	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2698	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890	}	2699	}
1891		2700
		2701	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2702
		2703	Send a drawinfo or msg packet to the client, formatting the msg for the
		2704	client if neccessary. C<$type> should be a string identifying the type of
		2705	the message, with C<log> being the default. If C<$color> is negative, suppress
		2706	the message unless the client supports the msg packet.
		2707
		2708	=cut
		2709
		2710	# non-persistent channels (usually the info channel)
		2711	our %CHANNEL = (
		2712	"c/identify" => {
		2713	id => "infobox",
		2714	title => "Identify",
		2715	reply => undef,
		2716	tooltip => "Items recently identified",
		2717	},
		2718	"c/examine" => {
		2719	id => "infobox",
		2720	title => "Examine",
		2721	reply => undef,
		2722	tooltip => "Signs and other items you examined",
		2723	},
		2724	"c/book" => {
		2725	id => "infobox",
		2726	title => "Book",
		2727	reply => undef,
		2728	tooltip => "The contents of a note or book",
		2729	},
		2730	"c/lookat" => {
		2731	id => "infobox",
		2732	title => "Look",
		2733	reply => undef,
		2734	tooltip => "What you saw there",
		2735	},
		2736	"c/who" => {
		2737	id => "infobox",
		2738	title => "Players",
		2739	reply => undef,
		2740	tooltip => "Shows players who are currently online",
		2741	},
		2742	"c/body" => {
		2743	id => "infobox",
		2744	title => "Body Parts",
		2745	reply => undef,
		2746	tooltip => "Shows which body parts you posess and are available",
		2747	},
		2748	"c/uptime" => {
		2749	id => "infobox",
		2750	title => "Uptime",
		2751	reply => undef,
		2752	tooltip => "How long the server has been running since last restart",
		2753	},
		2754	"c/mapinfo" => {
		2755	id => "infobox",
		2756	title => "Map Info",
		2757	reply => undef,
		2758	tooltip => "Information related to the maps",
		2759	},
		2760	);
		2761
		2762	sub cf::client::send_msg {
		2763	my ($self, $channel, $msg, $color, @extra) = @_;
		2764
		2765	$msg = $self->pl->expand_cfpod ($msg);
		2766
		2767	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2768
		2769	# check predefined channels, for the benefit of C
		2770	if ($CHANNEL{$channel}) {
		2771	$channel = $CHANNEL{$channel};
		2772
		2773	$self->ext_msg (channel_info => $channel)
		2774	if $self->can_msg;
		2775
		2776	$channel = $channel->{id};
		2777
		2778	} elsif (ref $channel) {
		2779	# send meta info to client, if not yet sent
		2780	unless (exists $self->{channel}{$channel->{id}}) {
		2781	$self->{channel}{$channel->{id}} = $channel;
		2782	$self->ext_msg (channel_info => $channel)
		2783	if $self->can_msg;
		2784	}
		2785
		2786	$channel = $channel->{id};
		2787	}
		2788
		2789	return unless @extra || length $msg;
		2790
		2791	if ($self->can_msg) {
		2792	# default colour, mask it out
		2793	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2794	if $color & cf::NDI_DEF;
		2795
		2796	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2797	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2798	} else {
		2799	if ($color >= 0) {
		2800	# replace some tags by gcfclient-compatible ones
		2801	for ($msg) {
		2802	1 while
		2803	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2804	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2805	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2806	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2807	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2808	}
		2809
		2810	$color &= cf::NDI_COLOR_MASK;
		2811
		2812	utf8::encode $msg;
		2813
		2814	if (0 && $msg =~ /\[/) {
		2815	# COMMAND/INFO
		2816	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2817	} else {
		2818	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2819	$self->send_packet ("drawinfo $color $msg")
		2820	}
		2821	}
		2822	}
		2823	}
		2824
		2825	=item $client->ext_msg ($type, @msg)
		2826
		2827	Sends an ext event to the client.
		2828
		2829	=cut
		2830
		2831	sub cf::client::ext_msg($$@) {
		2832	my ($self, $type, @msg) = @_;
		2833
		2834	if ($self->extcmd == 2) {
		2835	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2836	} elsif ($self->extcmd == 1) { # TODO: remove
		2837	push @msg, msgtype => "event_$type";
		2838	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2839	}
		2840	}
		2841
		2842	=item $client->ext_reply ($msgid, @msg)
		2843
		2844	Sends an ext reply to the client.
		2845
		2846	=cut
		2847
		2848	sub cf::client::ext_reply($$@) {
		2849	my ($self, $id, @msg) = @_;
		2850
		2851	if ($self->extcmd == 2) {
		2852	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2853	} elsif ($self->extcmd == 1) {
		2854	#TODO: version 1, remove
		2855	unshift @msg, msgtype => "reply", msgid => $id;
		2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2857	}
		2858	}
1892		2859
1893	=item $success = $client->query ($flags, "text", \&cb)	2860	=item $success = $client->query ($flags, "text", \&cb)
1894		2861
1895	Queues a query to the client, calling the given callback with	2862	Queues a query to the client, calling the given callback with
1896	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2863	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1897	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2864	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1898		2865
1899	Queries can fail, so check the return code. Or don't, as queries will become	2866	Queries can fail, so check the return code. Or don't, as queries will
1900	reliable at some point in the future.	2867	become reliable at some point in the future.
1901		2868
1902	=cut	2869	=cut
1903		2870
1904	sub cf::client::query {	2871	sub cf::client::query {
1905	my ($self, $flags, $text, $cb) = @_;	2872	my ($self, $flags, $text, $cb) = @_;
…		…
1913	utf8::encode $text;	2880	utf8::encode $text;
1914	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2881	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915		2882
1916	$self->send_packet ($self->{query_queue}[0][0])	2883	$self->send_packet ($self->{query_queue}[0][0])
1917	if @{ $self->{query_queue} } == 1;	2884	if @{ $self->{query_queue} } == 1;
		2885
		2886	1
1918	}	2887	}
1919		2888
1920	cf::client->attach (	2889	cf::client->attach (
		2890	on_connect => sub {
		2891	my ($ns) = @_;
		2892
		2893	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2894	},
1921	on_reply => sub {	2895	on_reply => sub {
1922	my ($ns, $msg) = @_;	2896	my ($ns, $msg) = @_;
1923		2897
1924	# this weird shuffling is so that direct followup queries	2898	# this weird shuffling is so that direct followup queries
1925	# get handled first	2899	# get handled first
1926	my $queue = delete $ns->{query_queue}	2900	my $queue = delete $ns->{query_queue}
1927	or return; # be conservative, not sure how that can happen, but we saw a crash here	2901	or return; # be conservative, not sure how that can happen, but we saw a crash here
1928		2902
1929	(shift @$queue)->[1]->($msg);	2903	(shift @$queue)->[1]->($msg);
		2904	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		2905
1931	push @{ $ns->{query_queue} }, @$queue;	2906	push @{ $ns->{query_queue} }, @$queue;
1932		2907
1933	if (@{ $ns->{query_queue} } == @$queue) {	2908	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	2909	if (@$queue) {
…		…
1936	} else {	2911	} else {
1937	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2912	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938	}	2913	}
1939	}	2914	}
1940	},	2915	},
		2916	on_exticmd => sub {
		2917	my ($ns, $buf) = @_;
		2918
		2919	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2920
		2921	if (ref $msg) {
		2922	my ($type, $reply, @payload) =
		2923	"ARRAY" eq ref $msg
		2924	? @$msg
		2925	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2926
		2927	my @reply;
		2928
		2929	if (my $cb = $EXTICMD{$type}) {
		2930	@reply = $cb->($ns, @payload);
		2931	}
		2932
		2933	$ns->ext_reply ($reply, @reply)
		2934	if $reply;
		2935
		2936	} else {
		2937	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2938	}
		2939
		2940	cf::override;
		2941	},
1941	);	2942	);
1942		2943
1943	=item $client->async (\&cb)	2944	=item $client->async (\&cb)
1944		2945
1945	Create a new coroutine, running the specified callback. The coroutine will	2946	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986	our $safe = new Safe "safe";	2987	our $safe = new Safe "safe";
1987	our $safe_hole = new Safe::Hole;	2988	our $safe_hole = new Safe::Hole;
1988		2989
1989	$SIG{FPE} = 'IGNORE';	2990	$SIG{FPE} = 'IGNORE';
1990		2991
1991	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2992	$safe->permit_only (Opcode::opset qw(
		2993	:base_core :base_mem :base_orig :base_math
		2994	grepstart grepwhile mapstart mapwhile
		2995	sort time
		2996	));
1992		2997
1993	# here we export the classes and methods available to script code	2998	# here we export the classes and methods available to script code
1994		2999
1995	=pod	3000	=pod
1996		3001
1997	The following fucntions and emthods are available within a safe environment:	3002	The following functions and methods are available within a safe environment:
1998		3003
1999	cf::object contr pay_amount pay_player map	3004	cf::object
		3005	contr pay_amount pay_player map x y force_find force_add destroy
		3006	insert remove name archname title slaying race decrease_ob_nr
		3007
2000	cf::object::player player	3008	cf::object::player
2001	cf::player peaceful	3009	player
2002	cf::map trigger	3010
		3011	cf::player
		3012	peaceful
		3013
		3014	cf::map
		3015	trigger
2003		3016
2004	=cut	3017	=cut
2005		3018
2006	for (	3019	for (
2007	["cf::object" => qw(contr pay_amount pay_player map)],	3020	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3021	insert remove inv name archname title slaying race
		3022	decrease_ob_nr destroy)],
2008	["cf::object::player" => qw(player)],	3023	["cf::object::player" => qw(player)],
2009	["cf::player" => qw(peaceful)],	3024	["cf::player" => qw(peaceful)],
2010	["cf::map" => qw(trigger)],	3025	["cf::map" => qw(trigger)],
2011	) {	3026	) {
2012	no strict 'refs';	3027	no strict 'refs';
…		…
2083	=back	3098	=back
2084		3099
2085	=cut	3100	=cut
2086		3101
2087	#############################################################################	3102	#############################################################################
		3103	# the server's init and main functions
2088		3104
2089	=head2 EXTENSION DATABASE SUPPORT	3105	sub load_facedata($) {
		3106	my ($path) = @_;
2090		3107
2091	Crossfire maintains a very simple database for extension use. It can	3108	# HACK to clear player env face cache, we need some signal framework
2092	currently store anything that can be serialised using Storable, which	3109	# for this (global event?)
2093	excludes objects.	3110	%ext::player_env::MUSIC_FACE_CACHE = ();
2094		3111
2095	The parameter C<$family> should best start with the name of the extension	3112	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2096	using it, it should be unique.
2097		3113
2098	=over 4	3114	warn "loading facedata from $path\n";
2099		3115
2100	=item $hashref = cf::db_get $family	3116	my $facedata;
		3117	0 < aio_load $path, $facedata
		3118	or die "$path: $!";
2101		3119
2102	Return a hashref for use by the extension C<$family>, which can be	3120	$facedata = Coro::Storable::thaw $facedata;
2103	modified. After modifications, you have to call C<cf::db_dirty> or
2104	C<cf::db_sync>.
2105		3121
2106	=item $value = cf::db_get $family => $key	3122	$facedata->{version} == 2
		3123	or cf::cleanup "$path: version mismatch, cannot proceed.";
2107		3124
2108	Returns a single value from the database	3125	# patch in the exptable
2109		3126	$facedata->{resource}{"res/exp_table"} = {
2110	=item cf::db_put $family => $hashref	3127	type => FT_RSRC,
2111		3128	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2112	Stores the given family hashref into the database. Updates are delayed, if
2113	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114
2115	=item cf::db_put $family => $key => $value
2116
2117	Stores the given C<$value> in the family hash. Updates are delayed, if you
2118	want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120	=item cf::db_dirty
2121
2122	Marks the database as dirty, to be updated at a later time.
2123
2124	=item cf::db_sync
2125
2126	Immediately write the database to disk I<if it is dirty>.
2127
2128	=cut
2129
2130	our $DB;
2131
2132	{
2133	my $path = cf::localdir . "/database.pst";
2134
2135	sub db_load() {
2136	$DB = stat $path ? Storable::retrieve $path : { };
2137	}
2138
2139	my $pid;
2140
2141	sub db_save() {
2142	waitpid $pid, 0 if $pid;
2143	if (0 == ($pid = fork)) {
2144	$DB->{_meta}{version} = 1;
2145	Storable::nstore $DB, "$path~";
2146	rename "$path~", $path;
2147	cf::_exit 0 if defined $pid;
2148	}
2149	}
2150
2151	my $dirty;
2152
2153	sub db_sync() {
2154	db_save if $dirty;
2155	undef $dirty;
2156	}
2157
2158	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159	db_sync;
2160	});	3129	};
		3130	cf::cede_to_tick;
2161		3131
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}	3132	{
		3133	my $faces = $facedata->{faceinfo};
2166		3134
2167	sub db_get($;$) {	3135	while (my ($face, $info) = each %$faces) {
2168	@_ >= 2	3136	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2169	? $DB->{$_[0]}{$_[1]}	3137	cf::face::set_visibility $idx, $info->{visibility};
2170	: ($DB->{$_[0]} ||= { })	3138	cf::face::set_magicmap $idx, $info->{magicmap};
2171	}	3139	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3140	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2172		3141
2173	sub db_put($$;$) {	3142	cf::cede_to_tick;
2174	if (@_ >= 3) {
2175	$DB->{$_[0]}{$_[1]} = $_[2];
2176	} else {
2177	$DB->{$_[0]} = $_[1];
2178	}
2179	db_dirty;
2180	}
2181
2182	cf::global->attach (
2183	prio => 10000,
2184	on_cleanup => sub {
2185	db_sync;
2186	},	3143	}
2187	);
2188	}
2189		3144
2190	#############################################################################	3145	while (my ($face, $info) = each %$faces) {
2191	# the server's main()	3146	next unless $info->{smooth};
		3147	my $idx = cf::face::find $face
		3148	or next;
		3149	if (my $smooth = cf::face::find $info->{smooth}) {
		3150	cf::face::set_smooth $idx, $smooth;
		3151	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3152	} else {
		3153	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3154	}
2192		3155
2193	sub cfg_load {	3156	cf::cede_to_tick;
		3157	}
		3158	}
		3159
		3160	{
		3161	my $anims = $facedata->{animinfo};
		3162
		3163	while (my ($anim, $info) = each %$anims) {
		3164	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3165	cf::cede_to_tick;
		3166	}
		3167
		3168	cf::anim::invalidate_all; # d'oh
		3169	}
		3170
		3171	{
		3172	# TODO: for gcfclient pleasure, we should give resources
		3173	# that gcfclient doesn't grok a >10000 face index.
		3174	my $res = $facedata->{resource};
		3175
		3176	my $soundconf = delete $res->{"res/sound.conf"};
		3177
		3178	while (my ($name, $info) = each %$res) {
		3179	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3180	my $data;
		3181
		3182	if ($info->{type} & 1) {
		3183	# prepend meta info
		3184
		3185	my $meta = $enc->encode ({
		3186	name => $name,
		3187	%{ $info->{meta} || {} },
		3188	});
		3189
		3190	$data = pack "(w/a*)*", $meta, $info->{data};
		3191	} else {
		3192	$data = $info->{data};
		3193	}
		3194
		3195	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3196	cf::face::set_type $idx, $info->{type};
		3197
		3198	cf::cede_to_tick;
		3199	}
		3200
		3201	if ($soundconf) {
		3202	$soundconf = $enc->decode (delete $soundconf->{data});
		3203
		3204	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3205	my $sound = $soundconf->{compat}[$_]
		3206	or next;
		3207
		3208	my $face = cf::face::find "sound/$sound->[1]";
		3209	cf::sound::set $sound->[0] => $face;
		3210	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3211	}
		3212
		3213	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3214	my $face = cf::face::find "sound/$v";
		3215	cf::sound::set $k => $face;
		3216	}
		3217	}
		3218	}
		3219
		3220	1
		3221	}
		3222
		3223	register_exticmd fx_want => sub {
		3224	my ($ns, $want) = @_;
		3225
		3226	while (my ($k, $v) = each %$want) {
		3227	$ns->fx_want ($k, $v);
		3228	}
		3229	};
		3230
		3231	sub reload_regions {
		3232	# HACK to clear player env face cache, we need some signal framework
		3233	# for this (global event?)
		3234	%ext::player_env::MUSIC_FACE_CACHE = ();
		3235
		3236	load_resource_file "$MAPDIR/regions"
		3237	or die "unable to load regions file\n";
		3238
		3239	for (cf::region::list) {
		3240	$_->{match} = qr/$_->{match}/
		3241	if exists $_->{match};
		3242	}
		3243	}
		3244
		3245	sub reload_facedata {
		3246	load_facedata "$DATADIR/facedata"
		3247	or die "unable to load facedata\n";
		3248	}
		3249
		3250	sub reload_archetypes {
		3251	load_resource_file "$DATADIR/archetypes"
		3252	or die "unable to load archetypes\n";
		3253	#d# NEED to laod twice to resolve forward references
		3254	# this really needs to be done in an extra post-pass
		3255	# (which needs to be synchronous, so solve it differently)
		3256	load_resource_file "$DATADIR/archetypes"
		3257	or die "unable to load archetypes\n";
		3258	}
		3259
		3260	sub reload_treasures {
		3261	load_resource_file "$DATADIR/treasures"
		3262	or die "unable to load treasurelists\n";
		3263	}
		3264
		3265	sub reload_resources {
		3266	warn "reloading resource files...\n";
		3267
		3268	reload_regions;
		3269	reload_facedata;
		3270	#reload_archetypes;#d#
		3271	reload_archetypes;
		3272	reload_treasures;
		3273
		3274	warn "finished reloading resource files\n";
		3275	}
		3276
		3277	sub init {
		3278	reload_resources;
		3279	}
		3280
		3281	sub reload_config {
2194	open my $fh, "<:utf8", cf::confdir . "/config"	3282	open my $fh, "<:utf8", "$CONFDIR/config"
2195	or return;	3283	or return;
2196		3284
2197	local $/;	3285	local $/;
2198	*CFG = YAML::Syck::Load <$fh>;	3286	*CFG = YAML::Syck::Load <$fh>;
2199		3287
…		…
2213		3301
2214	sub main {	3302	sub main {
2215	# we must not ever block the main coroutine	3303	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	3304	local $Coro::idle = sub {
2217	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3305	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3306	(async {
		3307	$Coro::current->{desc} = "IDLE BUG HANDLER";
2218	async { Event::one_event };	3308	Event::one_event;
		3309	})->prio (Coro::PRIO_MAX);
2219	};	3310	};
2220		3311
2221	cfg_load;	3312	reload_config;
2222	db_load;	3313	db_init;
2223	load_extensions;	3314	load_extensions;
		3315
		3316	$TICK_WATCHER->start;
2224	Event::loop;	3317	Event::loop;
2225	}	3318	}
2226		3319
2227	#############################################################################	3320	#############################################################################
2228	# initialisation and cleanup	3321	# initialisation and cleanup
2229		3322
2230	# install some emergency cleanup handlers	3323	# install some emergency cleanup handlers
2231	BEGIN {	3324	BEGIN {
2232	for my $signal (qw(INT HUP TERM)) {	3325	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	3326	Event->signal (
		3327	reentrant => 0,
2234	data => WF_AUTOCANCEL,	3328	data => WF_AUTOCANCEL,
2235	signal => $signal,	3329	signal => $signal,
		3330	prio => 0,
2236	cb => sub {	3331	cb => sub {
2237	cf::cleanup "SIG$signal";	3332	cf::cleanup "SIG$signal";
2238	},	3333	},
2239	);	3334	);
2240	}	3335	}
		3336	}
		3337
		3338	sub write_runtime {
		3339	my $runtime = "$LOCALDIR/runtime";
		3340
		3341	# first touch the runtime file to show we are still running:
		3342	# the fsync below can take a very very long time.
		3343
		3344	IO::AIO::aio_utime $runtime, undef, undef;
		3345
		3346	my $guard = cf::lock_acquire "write_runtime";
		3347
		3348	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3349	or return;
		3350
		3351	my $value = $cf::RUNTIME + 90 + 10;
		3352	# 10 is the runtime save interval, for a monotonic clock
		3353	# 60 allows for the watchdog to kill the server.
		3354
		3355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3356	and return;
		3357
		3358	# always fsync - this file is important
		3359	aio_fsync $fh
		3360	and return;
		3361
		3362	# touch it again to show we are up-to-date
		3363	aio_utime $fh, undef, undef;
		3364
		3365	close $fh
		3366	or return;
		3367
		3368	aio_rename "$runtime~", $runtime
		3369	and return;
		3370
		3371	warn "runtime file written.\n";
		3372
		3373	1
2241	}	3374	}
2242		3375
2243	sub emergency_save() {	3376	sub emergency_save() {
2244	my $freeze_guard = cf::freeze_mainloop;	3377	my $freeze_guard = cf::freeze_mainloop;
2245		3378
…		…
2251	# and maps saved/destroyed asynchronously.	3384	# and maps saved/destroyed asynchronously.
2252	warn "begin emergency player save\n";	3385	warn "begin emergency player save\n";
2253	for my $login (keys %cf::PLAYER) {	3386	for my $login (keys %cf::PLAYER) {
2254	my $pl = $cf::PLAYER{$login} or next;	3387	my $pl = $cf::PLAYER{$login} or next;
2255	$pl->valid or next;	3388	$pl->valid or next;
		3389	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2256	$pl->save;	3390	$pl->save;
2257	}	3391	}
2258	warn "end emergency player save\n";	3392	warn "end emergency player save\n";
2259		3393
2260	warn "begin emergency map save\n";	3394	warn "begin emergency map save\n";
…		…
2262	my $map = $cf::MAP{$path} or next;	3396	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	3397	$map->valid or next;
2264	$map->save;	3398	$map->save;
2265	}	3399	}
2266	warn "end emergency map save\n";	3400	warn "end emergency map save\n";
		3401
		3402	warn "begin emergency database checkpoint\n";
		3403	BDB::db_env_txn_checkpoint $DB_ENV;
		3404	warn "end emergency database checkpoint\n";
2267	};	3405	};
2268		3406
2269	warn "leave emergency perl save\n";	3407	warn "leave emergency perl save\n";
2270	}	3408	}
2271		3409
		3410	sub post_cleanup {
		3411	my ($make_core) = @_;
		3412
		3413	warn Carp::longmess "post_cleanup backtrace"
		3414	if $make_core;
		3415	}
		3416
2272	sub reload() {	3417	sub do_reload_perl() {
2273	# can/must only be called in main	3418	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	3419	if ($Coro::current != $Coro::main) {
2275	warn "can only reload from main coroutine\n";	3420	warn "can only reload from main coroutine";
2276	return;	3421	return;
2277	}	3422	}
2278		3423
2279	warn "reloading...";	3424	warn "reloading...";
2280		3425
2281	warn "freezing server";	3426	warn "entering sync_job";
2282	my $guard = freeze_mainloop;	3427
		3428	cf::sync_job {
		3429	cf::write_runtime; # external watchdog should not bark
2283	cf::emergency_save;	3430	cf::emergency_save;
		3431	cf::write_runtime; # external watchdog should not bark
2284		3432
2285	warn "sync database to disk";	3433	warn "syncing database to disk";
2286	cf::db_sync;	3434	BDB::db_env_txn_checkpoint $DB_ENV;
2287	IO::AIO::flush;
2288		3435
2289	eval {
2290	# if anything goes wrong in here, we should simply crash as we already saved	3436	# if anything goes wrong in here, we should simply crash as we already saved
2291		3437
2292	warn "cancel all watchers";	3438	warn "cancelling all WF_AUTOCANCEL watchers";
2293	for (Event::all_watchers) {	3439	for (Event::all_watchers) {
2294	$_->cancel if $_->data & WF_AUTOCANCEL;	3440	$_->cancel if $_->data & WF_AUTOCANCEL;
2295	}	3441	}
2296		3442
		3443	warn "flushing outstanding aio requests";
		3444	for (;;) {
		3445	BDB::flush;
		3446	IO::AIO::flush;
		3447	Coro::cede_notself;
		3448	last unless IO::AIO::nreqs || BDB::nreqs;
		3449	warn "iterate...";
		3450	}
		3451
		3452	++$RELOAD;
		3453
2297	warn "cancel all extension coros";	3454	warn "cancelling all extension coros";
2298	$_->cancel for values %EXT_CORO;	3455	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();	3456	%EXT_CORO = ();
2300		3457
2301	warn "remove commands";	3458	warn "removing commands";
2302	%COMMAND = ();	3459	%COMMAND = ();
2303		3460
2304	warn "remove ext commands";	3461	warn "removing ext/exti commands";
2305	%EXTCMD = ();	3462	%EXTCMD = ();
		3463	%EXTICMD = ();
2306		3464
2307	warn "unload/nuke all extensions";	3465	warn "unloading/nuking all extensions";
2308	for my $pkg (@EXTS) {	3466	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";	3467	warn "... unloading $pkg";
2310		3468
2311	if (my $cb = $pkg->can ("unload")) {	3469	if (my $cb = $pkg->can ("unload")) {
2312	eval {	3470	eval {
…		…
2317		3475
2318	warn "... nuking $pkg";	3476	warn "... nuking $pkg";
2319	Symbol::delete_package $pkg;	3477	Symbol::delete_package $pkg;
2320	}	3478	}
2321		3479
2322	warn "unload all perl modules loaded from $LIBDIR";	3480	warn "unloading all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {	3481	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3482	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325		3483
2326	warn "removing <$k>";	3484	warn "... unloading $k";
2327	delete $INC{$k};	3485	delete $INC{$k};
2328		3486
2329	$k =~ s/\.pm$//;	3487	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;	3488	$k =~ s/\//::/g;
2331		3489
…		…
2334	}	3492	}
2335		3493
2336	Symbol::delete_package $k;	3494	Symbol::delete_package $k;
2337	}	3495	}
2338		3496
2339	warn "get rid of safe::, as good as possible";	3497	warn "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	3498	Symbol::delete_package "safe::$_"
2341	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3499	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342		3500
2343	warn "unload cf.pm \"a bit\"";	3501	warn "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	3502	delete $INC{"cf.pm"};
		3503	delete $INC{"cf/pod.pm"};
2345		3504
2346	# don't, removes xs symbols, too,	3505	# don't, removes xs symbols, too,
2347	# and global variables created in xs	3506	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	3507	#Symbol::delete_package __PACKAGE__;
2349		3508
		3509	warn "unload completed, starting to reload now";
		3510
2350	warn "reloading cf.pm";	3511	warn "reloading cf.pm";
2351	require cf;	3512	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3513	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353		3514
2354	warn "load config and database again";	3515	warn "loading config and database again";
2355	cf::cfg_load;	3516	cf::reload_config;
2356	cf::db_load;
2357		3517
2358	warn "load extensions";	3518	warn "loading extensions";
2359	cf::load_extensions;	3519	cf::load_extensions;
2360		3520
2361	warn "reattach attachments to objects/players";	3521	warn "reattaching attachments to objects/players";
2362	_global_reattach;	3522	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	3523	warn "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	3524	reattach $_ for values %MAP;
2365	};	3525	warn "reattaching attachments to players";
		3526	reattach $_ for values %PLAYER;
2366		3527
2367	if ($@) {	3528	warn "leaving sync_job";
		3529
		3530	1
		3531	} or do {
2368	warn $@;	3532	warn $@;
2369	warn "error while reloading, exiting.";	3533	warn "error while reloading, exiting.";
2370	exit 1;	3534	exit 1;
2371	}	3535	};
2372		3536
2373	warn "reloaded";	3537	warn "reloaded";
2374	};	3538	};
2375		3539
		3540	our $RELOAD_WATCHER; # used only during reload
		3541
		3542	sub reload_perl() {
		3543	# doing reload synchronously and two reloads happen back-to-back,
		3544	# coro crashes during coro_state_free->destroy here.
		3545
		3546	$RELOAD_WATCHER ||= Event->timer (
		3547	reentrant => 0,
		3548	after => 0,
		3549	data => WF_AUTOCANCEL,
		3550	cb => sub {
		3551	do_reload_perl;
		3552	undef $RELOAD_WATCHER;
		3553	},
		3554	);
		3555	}
		3556
2376	register_command "reload" => sub {	3557	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	3558	my ($who, $arg) = @_;
2378		3559
2379	if ($who->flag (FLAG_WIZ)) {	3560	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	3561	$who->message ("reloading server.");
		3562	async {
		3563	$Coro::current->{desc} = "perl_reload";
		3564	reload_perl;
		3565	};
2383	}	3566	}
2384	};	3567	};
2385		3568
2386	unshift @INC, $LIBDIR;	3569	unshift @INC, $LIBDIR;
		3570
		3571	my $bug_warning = 0;
		3572
		3573	our @WAIT_FOR_TICK;
		3574	our @WAIT_FOR_TICK_BEGIN;
		3575
		3576	sub wait_for_tick {
		3577	return unless $TICK_WATCHER->is_active;
		3578	return if $Coro::current == $Coro::main;
		3579
		3580	my $signal = new Coro::Signal;
		3581	push @WAIT_FOR_TICK, $signal;
		3582	$signal->wait;
		3583	}
		3584
		3585	sub wait_for_tick_begin {
		3586	return unless $TICK_WATCHER->is_active;
		3587	return if $Coro::current == $Coro::main;
		3588
		3589	my $signal = new Coro::Signal;
		3590	push @WAIT_FOR_TICK_BEGIN, $signal;
		3591	$signal->wait;
		3592	}
2387		3593
2388	$TICK_WATCHER = Event->timer (	3594	$TICK_WATCHER = Event->timer (
2389	reentrant => 0,	3595	reentrant => 0,
		3596	parked => 1,
2390	prio => 0,	3597	prio => 0,
2391	at => $NEXT_TICK || $TICK,	3598	at => $NEXT_TICK || $TICK,
2392	data => WF_AUTOCANCEL,	3599	data => WF_AUTOCANCEL,
2393	cb => sub {	3600	cb => sub {
		3601	if ($Coro::current != $Coro::main) {
		3602	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3603	unless ++$bug_warning > 10;
		3604	return;
		3605	}
		3606
2394	$NOW = Event::time;	3607	$NOW = $tick_start = Event::time;
2395		3608
2396	cf::server_tick; # one server iteration	3609	cf::server_tick; # one server iteration
		3610
2397	$RUNTIME += $TICK;	3611	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;	3612	$NEXT_TICK += $TICK;
2399		3613
2400	$WAIT_FOR_TICK->broadcast;	3614	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3615	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3616	Coro::async_pool {
		3617	$Coro::current->{desc} = "runtime saver";
		3618	write_runtime
		3619	or warn "ERROR: unable to write runtime file: $!";
		3620	};
		3621	}
		3622
		3623	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3624	$sig->send;
		3625	}
		3626	while (my $sig = shift @WAIT_FOR_TICK) {
		3627	$sig->send;
		3628	}
		3629
		3630	$NOW = Event::time;
2402		3631
2403	# if we are delayed by four ticks or more, skip them all	3632	# if we are delayed by four ticks or more, skip them all
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3633	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2405		3634
2406	$TICK_WATCHER->at ($NEXT_TICK);	3635	$TICK_WATCHER->at ($NEXT_TICK);
2407	$TICK_WATCHER->start;	3636	$TICK_WATCHER->start;
		3637
		3638	$LOAD = ($NOW - $tick_start) / $TICK;
		3639	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3640
		3641	_post_tick;
2408	},	3642	},
2409	);	3643	);
2410		3644
		3645	{
		3646	BDB::min_parallel 8;
		3647	BDB::max_poll_time $TICK * 0.1;
		3648	$BDB_POLL_WATCHER = Event->io (
		3649	reentrant => 0,
		3650	fd => BDB::poll_fileno,
		3651	poll => 'r',
		3652	prio => 0,
		3653	data => WF_AUTOCANCEL,
		3654	cb => \&BDB::poll_cb,
		3655	);
		3656
		3657	BDB::set_sync_prepare {
		3658	my $status;
		3659	my $current = $Coro::current;
		3660	(
		3661	sub {
		3662	$status = $!;
		3663	$current->ready; undef $current;
		3664	},
		3665	sub {
		3666	Coro::schedule while defined $current;
		3667	$! = $status;
		3668	},
		3669	)
		3670	};
		3671
		3672	unless ($DB_ENV) {
		3673	$DB_ENV = BDB::db_env_create;
		3674	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3675	| BDB::LOG_AUTOREMOVE, 1);
		3676	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3677	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3678
		3679	cf::sync_job {
		3680	eval {
		3681	BDB::db_env_open
		3682	$DB_ENV,
		3683	$BDBDIR,
		3684	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3685	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3686	0666;
		3687
		3688	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3689	};
		3690
		3691	cf::cleanup "db_env_open(db): $@" if $@;
		3692	};
		3693	}
		3694
		3695	$BDB_DEADLOCK_WATCHER = Event->timer (
		3696	after => 3,
		3697	interval => 1,
		3698	hard => 1,
		3699	prio => 0,
		3700	data => WF_AUTOCANCEL,
		3701	cb => sub {
		3702	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3703	},
		3704	);
		3705	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3706	after => 11,
		3707	interval => 60,
		3708	hard => 1,
		3709	prio => 0,
		3710	data => WF_AUTOCANCEL,
		3711	cb => sub {
		3712	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3713	},
		3714	);
		3715	$BDB_TRICKLE_WATCHER = Event->timer (
		3716	after => 5,
		3717	interval => 10,
		3718	hard => 1,
		3719	prio => 0,
		3720	data => WF_AUTOCANCEL,
		3721	cb => sub {
		3722	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3723	},
		3724	);
		3725	}
		3726
		3727	{
		3728	IO::AIO::min_parallel 8;
		3729
		3730	undef $Coro::AIO::WATCHER;
2411	IO::AIO::max_poll_time $TICK * 0.2;	3731	IO::AIO::max_poll_time $TICK * 0.1;
2412
2413	$AIO_POLL_WATCHER = Event->io (	3732	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,	3733	reentrant => 0,
2415	poll => 'r',
2416	prio => 5,
2417	data => WF_AUTOCANCEL,
2418	cb => \&IO::AIO::poll_cb,
2419	);
2420
2421	$WRITE_RUNTIME_WATCHER = Event->timer (
2422	data => WF_AUTOCANCEL,	3734	data => WF_AUTOCANCEL,
2423	after => 0,	3735	fd => IO::AIO::poll_fileno,
2424	interval => 10,	3736	poll => 'r',
2425	cb => sub {	3737	prio => 0,
2426	(Coro::unblock_sub {	3738	cb => \&IO::AIO::poll_cb,
2427	write_runtime	3739	);
2428	or warn "ERROR: unable to write runtime file: $!";	3740	}
		3741
		3742	my $_log_backtrace;
		3743
		3744	sub _log_backtrace {
		3745	my ($msg, @addr) = @_;
		3746
		3747	$msg =~ s/\n//;
		3748
		3749	# limit the # of concurrent backtraces
		3750	if ($_log_backtrace < 2) {
		3751	++$_log_backtrace;
		3752	async {
		3753	$Coro::current->{desc} = "abt $msg";
		3754
		3755	my @bt = fork_call {
		3756	@addr = map { sprintf "%x", $_ } @addr;
		3757	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3758	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3759	or die "addr2line: $!";
		3760
		3761	my @funcs;
		3762	my @res = <$fh>;
		3763	chomp for @res;
		3764	while (@res) {
		3765	my ($func, $line) = splice @res, 0, 2, ();
		3766	push @funcs, "[$func] $line";
		3767	}
		3768
		3769	@funcs
		3770	};
		3771
		3772	LOG llevInfo, "[ABT] $msg\n";
		3773	LOG llevInfo, "[ABT] $_\n" for @bt;
		3774	--$_log_backtrace;
2429	})->();	3775	};
		3776	} else {
		3777	LOG llevInfo, "[ABT] $msg\n";
		3778	LOG llevInfo, "[ABT] [suppressed]\n";
2430	},	3779	}
2431	);	3780	}
		3781
		3782	# load additional modules
		3783	use cf::pod;
2432		3784
2433	END { cf::emergency_save }	3785	END { cf::emergency_save }
2434		3786
2435	1	3787	1
2436		3788

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