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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.180 by root, Fri Jan 19 00:38:02 2007 UTC vs.
Revision 1.327 by root, Wed Aug 1 17:22:51 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.4 ();	15	use Coro 3.61 ();
		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;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
26		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$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		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
43		59
		60	our $RELOAD; # number of reloads so far
44	our @EVENT;	61	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		62
47	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	76	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	79	our $NEXT_TICK;
52	our $NOW;	80	our $NOW;
		81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
53		85
54	our %CFG;	86	our %CFG;
55		87
56	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	89	our $RUNTIME;
58		90
59	our %PLAYER; # all users	91	our %PLAYER; # all users
60	our %MAP; # all maps	92	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	93	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		94
67	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
70	binmode STDOUT;	102	binmode STDOUT;
71	binmode STDERR;	103	binmode STDERR;
72		104
73	# read virtual server time, if available	105	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
78	}	110	}
79		111
80	mkdir cf::localdir;	112	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		114
86	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
87		118
88	#############################################################################	119	#############################################################################
89		120
90	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
91		122
…		…
98	=item $cf::RUNTIME	129	=item $cf::RUNTIME
99		130
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	132	every server tick.
102		133
103	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		137
105	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
107		142
108	=item $cf::NOW	143	=item $cf::NOW
109		144
110	The time of the last (current) server tick.	145	The time of the last (current) server tick.
111		146
112	=item $cf::TICK	147	=item $cf::TICK
113		148
114	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
115		160
116	=item %cf::CFG	161	=item %cf::CFG
117		162
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	164	from wherever your confdir points to.
120		165
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		167
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	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	169	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	170	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.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
127		177
128	=back	178	=back
129		179
130	=cut	180	=cut
131		181
132	BEGIN {	182	BEGIN {
133	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	184	my $msg = join "", @_;
135	utf8::encode $msg;
136		185
137	$msg .= "\n"	186	$msg .= "\n"
138	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
139		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
140	LOG llevError, $msg;	192	LOG llevError, $msg;
141	};	193	};
142	}	194	}
143		195
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		203
151	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	205	# within the Safe compartment.
153	for my $pkg (qw(	206	for my $pkg (qw(
154	cf::global cf::attachable	207	cf::global cf::attachable
…		…
162	}	215	}
163		216
164	$Event::DIED = sub {	217	$Event::DIED = sub {
165	warn "error in event callback: @_";	218	warn "error in event callback: @_";
166	};	219	};
		220
		221	#############################################################################
167		222
168	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
169		224
170	=over 4	225	=over 4
171		226
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	246	$d
192	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
193	}	248	}
194		249
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
198		251
199	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
200		253
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
209		255
210	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
211		257
212	=cut	258	=cut
213		259
214	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
216	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
218		264
219	=item cf::lock_wait $string	265	=item cf::lock_wait $string
220		266
221	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
222		268
…		…
228	returned.	274	returned.
229		275
230	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
232		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
233	=cut	283	=cut
234		284
235	our %LOCK;	285	our %LOCK;
236		286
237	sub lock_wait($) {	287	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
258	}	308	}
259	}	309	}
260		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
261	sub freeze_mainloop {	317	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
263		319
264	my $guard = Coro::guard {	320	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	322	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
270	$guard	324	$guard
		325	}
		326
		327	=item cf::get_slot $time[, $priority[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
271	}	381	}
272		382
273	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
274		384
275	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		390
281	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
282		392
283	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
284		394
285	The design of crossfire+ requires that the main coro ($Coro::main) is	395	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	396	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.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
288		399
289	If it must be done, put the blocking parts into C<sync_job>. This will run	400	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	401	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	402	server will be frozen during this time, so the block should either finish
292	fast or be very important.	403	fast or be very important.
…		…
295		406
296	sub sync_job(&) {	407	sub sync_job(&) {
297	my ($job) = @_;	408	my ($job) = @_;
298		409
299	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
300	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
302		415
303	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
315		428
316	while ($busy) {	429	while ($busy) {
317	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
318	}	431	}
319		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
		439
320	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
321	} else {	441	} else {
322	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
323		443
324	$job->()	444	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
344		464
345	$coro	465	$coro
346	}	466	}
347		467
348	sub write_runtime {	468	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		469
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	470	Executes the given code block with the given arguments in a seperate
352	or return;	471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
353		474
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	475	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		476
358	aio_fsync $fh	477	sub _store_scalar {
359	and return;	478	open my $fh, ">", \my $buf
360		479	or die "fork_call: cannot open fh-to-buf in child : $!";
		480	Storable::store_fd $_[0], $fh;
361	close $fh	481	close $fh;
362	or return;
363		482
364	aio_rename "$runtime~", $runtime	483	$buf
365	and return;	484	}
366		485
		486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
		488
		489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		490	# or die "socketpair: $!";
		491	pipe my $fh1, my $fh2
		492	or die "pipe: $!";
		493
		494	if (my $pid = fork) {
		495	close $fh2;
		496
		497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		498	warn "pst<$res>" unless $res =~ /^pst/;
		499	$res = Coro::Storable::thaw $res;
		500
		501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		502
		503	Carp::confess $$res unless "ARRAY" eq ref $res;
		504
		505	return wantarray ? @$res : $res->[-1];
		506	} else {
		507	reset_signals;
		508	local $SIG{__WARN__};
		509	local $SIG{__DIE__};
		510	# just in case, this hack effectively disables event
		511	# in the child. cleaner and slower would be canceling all watchers,
		512	# but this works for the time being.
		513	local $Coro::idle;
		514	$Coro::current->prio (Coro::PRIO_MAX);
		515
		516	eval {
		517	close $fh1;
		518
		519	my @res = eval { $cb->(@args) };
		520
		521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		522	close $fh2;
		523	};
		524
		525	warn $@ if $@;
		526	_exit 0;
367	1	527	}
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=cut
		540
		541	our $DB;
		542
		543	sub db_init {
		544	unless ($DB) {
		545	$DB = BDB::db_create $DB_ENV;
		546
		547	cf::sync_job {
		548	eval {
		549	$DB->set_flags (BDB::CHKSUM);
		550
		551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		553	cf::cleanup "db_open(db): $!" if $!;
		554	};
		555	cf::cleanup "db_open(db): $@" if $@;
		556	};
		557	}
		558	}
		559
		560	sub db_get($$) {
		561	my $key = "$_[0]/$_[1]";
		562
		563	cf::sync_job {
		564	BDB::db_get $DB, undef, $key, my $data;
		565
		566	$! ? ()
		567	: $data
		568	}
		569	}
		570
		571	sub db_put($$$) {
		572	BDB::dbreq_pri 4;
		573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		574	}
		575
		576	=item cf::cache $id => [$paths...], $processversion => $process
		577
		578	Generic caching function that returns the value of the resource $id,
		579	caching and regenerating as required.
		580
		581	This function can block.
		582
		583	=cut
		584
		585	sub cache {
		586	my ($id, $src, $processversion, $process) = @_;
		587
		588	my $meta =
		589	join "\x00",
		590	$processversion,
		591	map {
		592	aio_stat $_
		593	and Carp::croak "$_: $!";
		594
		595	($_, (stat _)[7,9])
		596	} @$src;
		597
		598	my $dbmeta = db_get cache => "$id/meta";
		599	if ($dbmeta ne $meta) {
		600	# changed, we may need to process
		601
		602	my @data;
		603	my $md5;
		604
		605	for (0 .. $#$src) {
		606	0 <= aio_load $src->[$_], $data[$_]
		607	or Carp::croak "$src->[$_]: $!";
		608	}
		609
		610	# if processing is expensive, check
		611	# checksum first
		612	if (1) {
		613	$md5 =
		614	join "\x00",
		615	$processversion,
		616	map {
		617	Coro::cede;
		618	($src->[$_], Digest::MD5::md5_hex $data[$_])
		619	} 0.. $#$src;
		620
		621
		622	my $dbmd5 = db_get cache => "$id/md5";
		623	if ($dbmd5 eq $md5) {
		624	db_put cache => "$id/meta", $meta;
		625
		626	return db_get cache => "$id/data";
		627	}
		628	}
		629
		630	my $t1 = Time::HiRes::time;
		631	my $data = $process->(\@data);
		632	my $t2 = Time::HiRes::time;
		633
		634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		635
		636	db_put cache => "$id/data", $data;
		637	db_put cache => "$id/md5" , $md5;
		638	db_put cache => "$id/meta", $meta;
		639
		640	return $data;
		641	}
		642
		643	db_get cache => "$id/data"
		644	}
		645
		646	=item cf::datalog type => key => value, ...
		647
		648	Log a datalog packet of the given type with the given key-value pairs.
		649
		650	=cut
		651
		652	sub datalog($@) {
		653	my ($type, %kv) = @_;
		654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	655	}
369		656
370	=back	657	=back
371		658
372	=cut	659	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	666	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
381		668
382	In the following description, CLASS can be any of C<global>, C<object>	669	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	670	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	671	Crossfire TRT).
385		672
386	=over 4	673	=over 4
387		674
388	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
389		676
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
553		840
554	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		845
559	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	847	my $pkg = shift @arg;
561		848
562	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
592	}	879	}
593		880
594	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
595	} else {	882	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	884	}
598		885
599	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
600	}	887	}
601		888
…		…
603	if (ref $_[0]) {	890	if (ref $_[0]) {
604	_object_attach @_;	891	_object_attach @_;
605	} else {	892	} else {
606	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
607	}	894	}
		895	_recalc_want;
608	};	896	};
609		897
610	# all those should be optimised	898	# all those should be optimised
611	sub cf::attachable::detach {	899	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
616	reattach ($obj);	904	reattach ($obj);
617	} else {	905	} else {
618	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
619	}	907	}
		908	_recalc_want;
620	};	909	};
621		910
622	sub cf::attachable::attached {	911	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
624		913
…		…
639	";	928	";
640	die if $@;	929	die if $@;
641	}	930	}
642		931
643	our $override;	932	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	933	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		934
646	sub override {	935	sub override {
647	$override = 1;	936	$override = 1;
648	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
649	}	938	}
650		939
651	sub do_invoke {	940	sub do_invoke {
652	my $event = shift;	941	my $event = shift;
653	my $callbacks = shift;	942	my $callbacks = shift;
654		943
655	@invoke_results = ();	944	@INVOKE_RESULTS = ();
656		945
657	local $override;	946	local $override;
658		947
659	for (@$callbacks) {	948	for (@$callbacks) {
660	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
677		966
678	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
679		968
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		972
684	=back	973	=back
685		974
686	=cut	975	=cut
687		976
688	#############################################################################	977	#############################################################################
689	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
690		990
691	sub reattach {	991	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	993	my ($obj) = @_;
694		994
…		…
747	$filename, length $$rdata, scalar @$objs;	1047	$filename, length $$rdata, scalar @$objs;
748		1048
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1052	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1053	close $fh;
754		1054
755	if (@$objs) {	1055	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1057	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1058	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1059	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1060	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1061	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1062	aio_rename "$filename.pst~", "$filename.pst";
763	}	1063	}
764	} else {	1064	} else {
765	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
…		…
797	or return;	1097	or return;
798	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
799	}	1099	}
800		1100
801	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
803	return ($data, $av);	1103	return ($data, $av);
804	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
805		1111
806	#############################################################################	1112	#############################################################################
807	# command handling &c	1113	# command handling &c
808		1114
809	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1129	}
824		1130
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1132
827	Register a callbackf ro execution when the client sends an extcmd packet.	1133	Register a callback for execution when the client sends an (synchronous)
		1134	extcmd packet. Ext commands will be processed in the order they are
		1135	received by the server, like other user commands. The first argument is
		1136	the logged-in player. Ext commands can only be processed after a player
		1137	has logged in successfully.
828		1138
829	If the callback returns something, it is sent back as if reply was being	1139	If the callback returns something, it is sent back as if reply was being
830	called.	1140	called.
831		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
832	=cut	1153	=cut
833		1154
834	sub register_extcmd {	1155	sub register_extcmd {
835	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
836		1157
837	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
838	}	1165	}
839		1166
840	cf::player->attach (	1167	cf::player->attach (
841	on_command => sub {	1168	on_command => sub {
842	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1178	cf::override;
852	},	1179	},
853	on_extcmd => sub {	1180	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
855		1182
856	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1184
858	if (ref $msg) {	1185	if (ref $msg) {
		1186	my ($type, $reply, @payload) =
		1187	"ARRAY" eq ref $msg
		1188	? @$msg
		1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1190
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
861	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
862	}	1195	if $reply;
863	}	1196	}
864	} else {	1197	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1199	}
867		1200
868	cf::override;	1201	cf::override;
869	},	1202	},
870	);	1203	);
871		1204
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
907	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1210	next unless -r $path;
909	eval {	1211
910	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
911	1	1269	}
912	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
913	}	1275	};
914	}	1276	}
915		1277
916	#############################################################################	1278	#############################################################################
917		1279
		1280	=back
		1281
918	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
919		1283
920	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
921		1285
922	=cut	1286	=cut
…		…
934	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
935		1299
936	=cut	1300	=cut
937		1301
938	sub playerdir($) {	1302	sub playerdir($) {
939	cf::localdir	1303	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1305	}
945		1306
946	sub path($) {	1307	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1309
949	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
950	}	1311	}
951		1312
952	sub find_active($) {	1313	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
967	my $login = $_[0];	1328	my $login = $_[0];
968		1329
969	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
970		1331
971	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
		1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
972	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
973	or return;	1341	or return;
974	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
975	}	1343	}
976	}	1344	}
…		…
1013		1381
1014	=cut	1382	=cut
1015		1383
1016	sub quit_character {	1384	sub quit_character {
1017	my ($pl) = @_;	1385	my ($pl) = @_;
		1386
		1387	my $name = $pl->ob->name;
1018		1388
1019	$pl->{deny_save} = 1;	1389	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1390	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1391
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1397	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1398	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1399	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1400	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1401	$pl->destroy;
		1402
		1403	my $prefix = qr<^~\Q$name\E/>;
		1404
		1405	# nuke player maps
		1406	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1407
1032	IO::AIO::aio_rmtree $temp;	1408	IO::AIO::aio_rmtree $temp;
		1409	}
		1410
		1411	=item $pl->kick
		1412
		1413	Kicks a player out of the game. This destroys the connection.
		1414
		1415	=cut
		1416
		1417	sub kick {
		1418	my ($pl, $kicker) = @_;
		1419
		1420	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1421	$pl->killer ("kicked");
		1422	$pl->ns->destroy;
1033	}	1423	}
1034		1424
1035	=item cf::player::list_logins	1425	=item cf::player::list_logins
1036		1426
1037	Returns am arrayref of all valid playernames in the system, can take a	1427	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1428	while and may block, so not sync_job-capable, ever.
1039		1429
1040	=cut	1430	=cut
1041		1431
1042	sub list_logins {	1432	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1433	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1434	or return [];
1045		1435
1046	my @logins;	1436	my @logins;
1047		1437
1048	for my $login (@$dirs) {	1438	for my $login (@$dirs) {
…		…
1065	=cut	1455	=cut
1066		1456
1067	sub maps($) {	1457	sub maps($) {
1068	my ($pl) = @_;	1458	my ($pl) = @_;
1069		1459
		1460	$pl = ref $pl ? $pl->ob->name : $pl;
		1461
1070	my $files = aio_readdir playerdir $pl	1462	my $files = aio_readdir playerdir $pl
1071	or return;	1463	or return;
1072		1464
1073	my @paths;	1465	my @paths;
1074		1466
1075	for (@$files) {	1467	for (@$files) {
1076	utf8::decode $_;	1468	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1469	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1470	next unless /^$PATH_SEP/o;
1079		1471
1080	s/\.map$//;	1472	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1473	}
1083		1474
1084	\@paths	1475	\@paths
1085	}	1476	}
1086		1477
		1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1479
		1480	Expand crossfire pod fragments into protocol xml.
		1481
		1482	=cut
		1483
		1484	sub expand_cfpod {
		1485	((my $self), (local $_)) = @_;
		1486
		1487	# escape & and <
		1488	s/&/&amp;/g;
		1489	s/(?<![BIUGH])</&lt;/g;
		1490
		1491	# this is buggy, it needs to properly take care of nested <'s
		1492
		1493	1 while
		1494	# replace B<>, I<>, U<> etc.
		1495	s/B<([^\>]*)>/<b>$1<\/b>/
		1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1088		1529
1089	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1090		1531
1091	=cut	1532	=cut
1092		1533
1093	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1095		1536
1096	$msg{msgid} = $id;	1537	if ($self->ns->extcmd == 2) {
1097		1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1098	$self->send ("ext " . cf::to_json \%msg);	1539	} elsif ($self->ns->extcmd == 1) {
		1540	#TODO: version 1, remove
		1541	unshift @msg, msgtype => "reply", msgid => $id;
		1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1543	}
1099	}	1544	}
1100		1545
1101	package cf;	1546	=item $player->ext_msg ($type, @msg)
		1547
		1548	Sends an ext event to the client.
		1549
		1550	=cut
		1551
		1552	sub ext_msg($$@) {
		1553	my ($self, $type, @msg) = @_;
		1554
		1555	$self->ns->ext_msg ($type, @msg);
		1556	}
		1557
		1558	=head3 cf::region
		1559
		1560	=over 4
		1561
		1562	=cut
		1563
		1564	package cf::region;
		1565
		1566	=item cf::region::find_by_path $path
		1567
		1568	Tries to decuce the likely region for a map knowing only its path.
		1569
		1570	=cut
		1571
		1572	sub find_by_path($) {
		1573	my ($path) = @_;
		1574
		1575	my ($match, $specificity);
		1576
		1577	for my $region (list) {
		1578	if ($region->{match} && $path =~ $region->{match}) {
		1579	($match, $specificity) = ($region, $region->specificity)
		1580	if $region->specificity > $specificity;
		1581	}
		1582	}
		1583
		1584	$match
		1585	}
1102		1586
1103	=back	1587	=back
1104
1105		1588
1106	=head3 cf::map	1589	=head3 cf::map
1107		1590
1108	=over 4	1591	=over 4
1109		1592
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1620	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1621	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1622	)
1140	}	1623	}
1141		1624
		1625	=item cf::map->register ($regex, $prio)
		1626
		1627	Register a handler for the map path matching the given regex at the
		1628	givne priority (higher is better, built-in handlers have priority 0, the
		1629	default).
		1630
		1631	=cut
		1632
1142	sub register {	1633	sub register {
1143	my (undef, $regex) = @_;	1634	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1635	my $pkg = caller;
1145		1636
1146	no strict;	1637	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1638	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1639
1149	$EXT_MAP{$pkg} = qr<$regex>;	1640	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1641	}
1151		1642
1152	# also paths starting with '/'	1643	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1644	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1645
1155	sub thawer_merge {	1646	sub thawer_merge {
1156	my ($self, $merge) = @_;	1647	my ($self, $merge) = @_;
1157		1648
1158	# we have to keep some variables in memory intact	1649	# we have to keep some variables in memory intact
1159	local $self->{path};	1650	local $self->{path};
1160	local $self->{load_path};	1651	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1652
1164	$self->SUPER::thawer_merge ($merge);	1653	$self->SUPER::thawer_merge ($merge);
1165	}	1654	}
1166		1655
1167	sub normalise {	1656	sub normalise {
1168	my ($path, $base) = @_;	1657	my ($path, $base) = @_;
		1658
		1659	$path = "$path"; # make sure its a string
		1660
		1661	$path =~ s/\.map$//;
1169		1662
1170	# map plan:	1663	# map plan:
1171	#	1664	#
1172	# /! non-realised random map exit (special hack!)	1665	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1666	# {... are special paths that are not being touched
…		…
1201		1694
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1695	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1696
1204	$path = normalise $path, $base;	1697	$path = normalise $path, $base;
1205		1698
1206	for my $pkg (keys %EXT_MAP) {	1699	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1700	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1701	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1702	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1703	$self->init; # pass $1 etc.
1211	return $self;	1704	return $self;
1212	}	1705	}
1213	}	1706	}
1214		1707
1215	Carp::carp "unable to resolve path '$path'.";	1708	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1709	()
1217	}	1710	}
1218		1711
1219	sub init {	1712	sub init {
1220	my ($self) = @_;	1713	my ($self) = @_;
…		…
1235		1728
1236	# the original (read-only) location	1729	# the original (read-only) location
1237	sub load_path {	1730	sub load_path {
1238	my ($self) = @_;	1731	my ($self) = @_;
1239		1732
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1733	"$MAPDIR/$self->{path}.map"
1241	}	1734	}
1242		1735
1243	# the temporary/swap location	1736	# the temporary/swap location
1244	sub save_path {	1737	sub save_path {
1245	my ($self) = @_;	1738	my ($self) = @_;
1246		1739
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1741	"$TMPDIR/$path.map"
1249	}	1742	}
1250		1743
1251	# the unique path, undef == no special unique path	1744	# the unique path, undef == no special unique path
1252	sub uniq_path {	1745	sub uniq_path {
1253	my ($self) = @_;	1746	my ($self) = @_;
1254		1747
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1749	"$UNIQUEDIR/$path"
1257	}	1750	}
1258		1751
1259	# and all this just because we cannot iterate over	1752	# and all this just because we cannot iterate over
1260	# all maps in C++...	1753	# all maps in C++...
1261	sub change_all_map_light {	1754	sub change_all_map_light {
…		…
1263		1756
1264	$_->change_map_light ($change)	1757	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1758	for grep $_->outdoor, values %cf::MAP;
1266	}	1759	}
1267		1760
		1761	sub decay_objects {
		1762	my ($self) = @_;
		1763
		1764	return if $self->{deny_reset};
		1765
		1766	$self->do_decay_objects;
		1767	}
		1768
1268	sub unlink_save {	1769	sub unlink_save {
1269	my ($self) = @_;	1770	my ($self) = @_;
1270		1771
1271	utf8::encode (my $save = $self->save_path);	1772	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1773	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1776
1276	sub load_header_from($) {	1777	sub load_header_from($) {
1277	my ($self, $path) = @_;	1778	my ($self, $path) = @_;
1278		1779
1279	utf8::encode $path;	1780	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1781	#aio_open $path, O_RDONLY, 0
1281	or return;	1782	# or return;
1282		1783
1283	$self->_load_header ($path)	1784	$self->_load_header ($path)
1284	or return;	1785	or return;
1285		1786
1286	$self->{load_path} = $path;	1787	$self->{load_path} = $path;
1287		1788
1288	1	1789	1
1289	}	1790	}
1290		1791
1291	sub load_orig {	1792	sub load_header_orig {
1292	my ($self) = @_;	1793	my ($self) = @_;
1293		1794
1294	$self->load_header_from ($self->load_path)	1795	$self->load_header_from ($self->load_path)
1295	}	1796	}
1296		1797
1297	sub load_temp {	1798	sub load_header_temp {
1298	my ($self) = @_;	1799	my ($self) = @_;
1299		1800
1300	$self->load_header_from ($self->save_path)	1801	$self->load_header_from ($self->save_path)
		1802	}
		1803
		1804	sub prepare_temp {
		1805	my ($self) = @_;
		1806
		1807	$self->last_access ((delete $self->{last_access})
		1808	|| $cf::RUNTIME); #d#
		1809	# safety
		1810	$self->{instantiate_time} = $cf::RUNTIME
		1811	if $self->{instantiate_time} > $cf::RUNTIME;
		1812	}
		1813
		1814	sub prepare_orig {
		1815	my ($self) = @_;
		1816
		1817	$self->{load_original} = 1;
		1818	$self->{instantiate_time} = $cf::RUNTIME;
		1819	$self->last_access ($cf::RUNTIME);
		1820	$self->instantiate;
1301	}	1821	}
1302		1822
1303	sub load_header {	1823	sub load_header {
1304	my ($self) = @_;	1824	my ($self) = @_;
1305		1825
1306	if ($self->load_temp) {	1826	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	1827	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	1828	} else {
1313	$self->load_orig	1829	$self->load_header_orig
1314	or return;	1830	or return;
1315		1831	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	1832	}
		1833
		1834	$self->{deny_reset} = 1
		1835	if $self->no_reset;
		1836
		1837	$self->default_region (cf::region::find_by_path $self->{path})
		1838	unless $self->default_region;
1321		1839
1322	1	1840	1
1323	}	1841	}
1324		1842
1325	sub find;	1843	sub find;
…		…
1338	$map->{last_save} = $cf::RUNTIME;	1856	$map->{last_save} = $cf::RUNTIME;
1339		1857
1340	$map->load_header	1858	$map->load_header
1341	or return;	1859	or return;
1342		1860
1343	if ($map->should_reset) {	1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1862	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	1863	#$cf::WAIT_FOR_TICK->wait;
1345	$map->reset;	1864	$map->reset;
1346	undef $guard;	1865	undef $guard;
1347	$map = find $path	1866	return find $path;
1348	or return;
1349	}	1867	}
1350		1868
1351	$cf::MAP{$path} = $map	1869	$cf::MAP{$path} = $map
1352	}	1870	}
1353	}	1871	}
		1872
		1873	sub pre_load { }
		1874	sub post_load { }
1354		1875
1355	sub load {	1876	sub load {
1356	my ($self) = @_;	1877	my ($self) = @_;
1357		1878
		1879	local $self->{deny_reset} = 1; # loading can take a long time
		1880
1358	my $path = $self->{path};	1881	my $path = $self->{path};
		1882
		1883	{
1359	my $guard = cf::lock_acquire "map_load:$path";	1884	my $guard = cf::lock_acquire "map_load:$path";
1360		1885
1361	return if $self->in_memory != cf::MAP_SWAPPED;	1886	return if $self->in_memory != cf::MAP_SWAPPED;
1362		1887
1363	$self->in_memory (cf::MAP_LOADING);	1888	$self->in_memory (cf::MAP_LOADING);
1364		1889
1365	$self->alloc;	1890	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)
1367	or return;
1368		1891
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1892	$self->pre_load;
1370	if delete $self->{load_original};
1371
1372	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {
1375	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);
1377	}
1378	}
1379
1380	Coro::cede;
1381
1382	# now do the right thing for maps
1383	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;	1893	Coro::cede;
1390	$self->set_darkness_map;	1894
		1895	$self->_load_objects ($self->{load_path}, 1)
		1896	or return;
		1897
		1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1899	if delete $self->{load_original};
		1900
		1901	if (my $uniq = $self->uniq_path) {
		1902	utf8::encode $uniq;
		1903	if (aio_open $uniq, O_RDONLY, 0) {
		1904	$self->clear_unique_items;
		1905	$self->_load_objects ($uniq, 0);
		1906	}
		1907	}
		1908
		1909	Coro::cede;
		1910	# now do the right thing for maps
		1911	$self->link_multipart_objects;
1391	$self->difficulty ($self->estimate_difficulty)	1912	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	1913	unless $self->difficulty;
1393	Coro::cede;	1914	Coro::cede;
		1915
		1916	unless ($self->{deny_activate}) {
		1917	$self->decay_objects;
		1918	$self->fix_auto_apply;
		1919	$self->update_buttons;
		1920	Coro::cede;
		1921	$self->set_darkness_map;
		1922	Coro::cede;
1394	$self->activate;	1923	$self->activate;
1395	}	1924	}
1396		1925
		1926	$self->{last_save} = $cf::RUNTIME;
		1927	$self->last_access ($cf::RUNTIME);
		1928
1397	$self->in_memory (cf::MAP_IN_MEMORY);	1929	$self->in_memory (cf::MAP_IN_MEMORY);
		1930	}
		1931
		1932	$self->post_load;
1398	}	1933	}
1399		1934
1400	sub customise_for {	1935	sub customise_for {
1401	my ($self, $ob) = @_;	1936	my ($self, $ob) = @_;
1402		1937
1403	return find "~" . $ob->name . "/" . $self->{path}	1938	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	1939	if $self->per_player;
		1940
		1941	# return find "?party/" . $ob->name . "/" . $self->{path}
		1942	# if $self->per_party;
1405		1943
1406	$self	1944	$self
1407	}	1945	}
1408		1946
1409	# find and load all maps in the 3x3 area around a map	1947	# find and load all maps in the 3x3 area around a map
…		…
1441		1979
1442	cf::sync_job { $map->load };	1980	cf::sync_job { $map->load };
1443	}	1981	}
1444		1982
1445	our %MAP_PREFETCH;	1983	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	1984	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		1985
1459	sub find_async {	1986	sub find_async {
1460	my ($path, $origin) = @_;	1987	my ($path, $origin) = @_;
1461		1988
1462	$path = normalise $path, $origin && $origin->{path};	1989	$path = normalise $path, $origin && $origin->{path};
1463		1990
1464	if (my $map = $cf::MAP{$path}) {	1991	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1992	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1466	}	1993	}
1467		1994
1468	$MAP_PREFETCH{$path} = 0;	1995	undef $MAP_PREFETCH{$path};
		1996	$MAP_PREFETCHER ||= cf::async {
		1997	while (%MAP_PREFETCH) {
		1998	for my $path (keys %MAP_PREFETCH) {
		1999	if (my $map = find $path) {
		2000	$map->load;
		2001	}
		2002
		2003	delete $MAP_PREFETCH{$path};
		2004	}
		2005	}
		2006	undef $MAP_PREFETCHER;
		2007	};
1469	$MAP_PREFETCHER->ready;	2008	$MAP_PREFETCHER->prio (6);
1470		2009
1471	()	2010	()
1472	}	2011	}
1473		2012
1474	sub save {	2013	sub save {
…		…
1519		2058
1520	sub reset_at {	2059	sub reset_at {
1521	my ($self) = @_;	2060	my ($self) = @_;
1522		2061
1523	# TODO: safety, remove and allow resettable per-player maps	2062	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2063	return 1e99 if $self->{deny_reset};
1526		2064
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2065	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2066	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2067
…		…
1540	my ($self) = @_;	2078	my ($self) = @_;
1541		2079
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2080	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2081
1544	return if $self->players;	2082	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2083
1547	warn "resetting map ", $self->path;#d#	2084	warn "resetting map ", $self->path;
		2085
		2086	$self->in_memory (cf::MAP_SWAPPED);
		2087
		2088	# need to save uniques path
		2089	unless ($self->{deny_save}) {
		2090	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2091
		2092	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2093	if $uniq;
		2094	}
1548		2095
1549	delete $cf::MAP{$self->path};	2096	delete $cf::MAP{$self->path};
1550		2097
1551	$self->in_memory (cf::MAP_SWAPPED);
1552	$self->clear;	2098	$self->clear;
1553		2099
1554	$_->clear_links_to ($self) for values %cf::MAP;	2100	$_->clear_links_to ($self) for values %cf::MAP;
1555		2101
1556	$self->unlink_save;	2102	$self->unlink_save;
…		…
1575	$cf::MAP{$self->path} = $self;	2121	$cf::MAP{$self->path} = $self;
1576		2122
1577	$self->reset; # polite request, might not happen	2123	$self->reset; # polite request, might not happen
1578	}	2124	}
1579		2125
		2126	=item $maps = cf::map::tmp_maps
		2127
		2128	Returns an arrayref with all map paths of currently instantiated and saved
		2129	maps. May block.
		2130
		2131	=cut
		2132
		2133	sub tmp_maps() {
		2134	[
		2135	map {
		2136	utf8::decode $_;
		2137	/\.map$/
		2138	? normalise $_
		2139	: ()
		2140	} @{ aio_readdir $TMPDIR or [] }
		2141	]
		2142	}
		2143
		2144	=item $maps = cf::map::random_maps
		2145
		2146	Returns an arrayref with all map paths of currently instantiated and saved
		2147	random maps. May block.
		2148
		2149	=cut
		2150
		2151	sub random_maps() {
		2152	[
		2153	map {
		2154	utf8::decode $_;
		2155	/\.map$/
		2156	? normalise "?random/$_"
		2157	: ()
		2158	} @{ aio_readdir $RANDOMDIR or [] }
		2159	]
		2160	}
		2161
1580	=item cf::map::unique_maps	2162	=item cf::map::unique_maps
1581		2163
1582	Returns an arrayref of paths of all shared maps that have	2164	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2165	instantiated unique items. May block.
1584		2166
1585	=cut	2167	=cut
1586		2168
1587	sub unique_maps() {	2169	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2170	[
1589	or return;	2171	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2172	utf8::decode $_;
1595	next if /\.pst$/;
1596	next unless /^$PATH_SEP/o;
1597
1598	s/\.map$//;	2173	/\.map$/
1599	push @paths, $_;	2174	? normalise $_
		2175	: ()
		2176	} @{ aio_readdir $UNIQUEDIR or [] }
1600	}	2177	]
1601
1602	\@paths
1603	}	2178	}
1604		2179
1605	package cf;	2180	package cf;
1606		2181
1607	=back	2182	=back
…		…
1653		2228
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2229	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2230
1656	if ($self->{record_replies}) {	2231	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2232	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2233
1658	} else {	2234	} else {
		2235	my $pl = $self->contr;
		2236
		2237	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2238	my $dialog = $pl->{npc_dialog};
		2239	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2240
		2241	} else {
1659	$msg = $npc->name . " says: $msg" if $npc;	2242	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2243	$self->message ($msg, $flags);
		2244	}
1661	}	2245	}
1662	}	2246	}
1663		2247
1664	=item $player_object->may ("access")	2248	=item $player_object->may ("access")
1665		2249
…		…
1698	=cut	2282	=cut
1699		2283
1700	sub link_map {	2284	sub link_map {
1701	unless ($LINK_MAP) {	2285	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2286	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2287	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2288	$LINK_MAP->load;
1705	}	2289	}
1706		2290
1707	$LINK_MAP	2291	$LINK_MAP
1708	}	2292	}
…		…
1713	$self->deactivate_recursive;	2297	$self->deactivate_recursive;
1714		2298
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2299	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2300
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2302	if $self->map && $self->map->{path} ne "{link}";
1719		2303
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1721	}	2305	}
1722		2306
1723	sub cf::object::player::leave_link {	2307	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2308	my ($self, $map, $x, $y) = @_;
		2309
		2310	return unless $self->contr->active;
1725		2311
1726	my $link_pos = delete $self->{_link_pos};	2312	my $link_pos = delete $self->{_link_pos};
1727		2313
1728	unless ($map) {	2314	unless ($map) {
1729	# restore original map position	2315	# restore original map position
…		…
1747	$map->load;	2333	$map->load;
1748	$map->load_diag;	2334	$map->load_diag;
1749		2335
1750	return unless $self->contr->active;	2336	return unless $self->contr->active;
1751	$self->activate_recursive;	2337	$self->activate_recursive;
		2338
		2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1752	$self->enter_map ($map, $x, $y);	2340	$self->enter_map ($map, $x, $y);
1753	}	2341	}
1754		2342
1755	cf::player->attach (	2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1756	on_logout => sub {
1757	my ($pl) = @_;
1758		2344
1759	# abort map switching before logout	2345	Moves the player to the given map-path and coordinates by first freezing
1760	if ($pl->ob->{_link_pos}) {	2346	her, loading and preparing them map, calling the provided $check callback
1761	cf::sync_job {	2347	that has to return the map if sucecssful, and then unfreezes the player on
1762	$pl->ob->leave_link	2348	the new (success) or old (failed) map position. In either case, $done will
1763	};	2349	be called at the end of this process.
1764	}
1765	},
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2350
1769	# try to abort aborted map switching on player login :)
1770	# should happen only on crashes
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786
1787	=item $player_object->goto ($path, $x, $y)
1788
1789	=cut	2351	=cut
		2352
		2353	our $GOTOGEN;
1790		2354
1791	sub cf::object::player::goto {	2355	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	2356	my ($self, $path, $x, $y, $check, $done) = @_;
		2357
		2358	# do generation counting so two concurrent goto's will be executed in-order
		2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		2360
1794	$self->enter_link;	2361	$self->enter_link;
1795		2362
1796	(async {	2363	(async {
		2364	my $map = eval {
1797	my $map = cf::map::find $path;	2365	my $map = cf::map::find $path;
		2366
		2367	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2368	$map = $map->customise_for ($self);
1799		2369	$map = $check->($map) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2370	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2372	}
1804		2373
		2374	$map
		2375	};
		2376
		2377	if ($@) {
		2378	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2379	LOG llevError | logBacktrace, Carp::longmess $@;
		2380	}
		2381
		2382	if ($gen == $self->{_goto_generation}) {
		2383	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2384	$self->leave_link ($map, $x, $y);
		2385	}
		2386
		2387	$done->() if $done;
1806	})->prio (1);	2388	})->prio (1);
1807	}	2389	}
1808		2390
1809	=item $player_object->enter_exit ($exit_object)	2391	=item $player_object->enter_exit ($exit_object)
1810		2392
…		…
1812		2394
1813	sub parse_random_map_params {	2395	sub parse_random_map_params {
1814	my ($spec) = @_;	2396	my ($spec) = @_;
1815		2397
1816	my $rmp = { # defaults	2398	my $rmp = { # defaults
1817	xsize => -1,	2399	xsize => (cf::rndm 15, 40),
1818	ysize => -1,	2400	ysize => (cf::rndm 15, 40),
		2401	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2402	#layout => string,
1819	};	2403	};
1820		2404
1821	for (split /\n/, $spec) {	2405	for (split /\n/, $spec) {
1822	my ($k, $v) = split /\s+/, $_, 2;	2406	my ($k, $v) = split /\s+/, $_, 2;
1823		2407
…		…
1837	# that depends on the exit object	2421	# that depends on the exit object
1838		2422
1839	my $rmp = parse_random_map_params $exit->msg;	2423	my $rmp = parse_random_map_params $exit->msg;
1840		2424
1841	if ($exit->map) {	2425	if ($exit->map) {
1842	$rmp->{region} = $exit->map->region_name;	2426	$rmp->{region} = $exit->region->name;
1843	$rmp->{origin_map} = $exit->map->path;	2427	$rmp->{origin_map} = $exit->map->path;
1844	$rmp->{origin_x} = $exit->x;	2428	$rmp->{origin_x} = $exit->x;
1845	$rmp->{origin_y} = $exit->y;	2429	$rmp->{origin_y} = $exit->y;
1846	}	2430	}
1847		2431
1848	$rmp->{random_seed} ||= $exit->random_seed;	2432	$rmp->{random_seed} ||= $exit->random_seed;
1849		2433
1850	my $data = cf::to_json $rmp;	2434	my $data = cf::to_json $rmp;
1851	my $md5 = Digest::MD5::md5_hex $data;	2435	my $md5 = Digest::MD5::md5_hex $data;
1852	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2436	my $meta = "$RANDOMDIR/$md5.meta";
1853		2437
1854	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1855	aio_write $fh, 0, (length $data), $data, 0;	2439	aio_write $fh, 0, (length $data), $data, 0;
1856	undef $fh;	2440	undef $fh;
1857	aio_rename "$meta~", $meta;	2441	aio_rename "$meta~", $meta;
…		…
1864	sub cf::object::player::enter_exit {	2448	sub cf::object::player::enter_exit {
1865	my ($self, $exit) = @_;	2449	my ($self, $exit) = @_;
1866		2450
1867	return unless $self->type == cf::PLAYER;	2451	return unless $self->type == cf::PLAYER;
1868		2452
		2453	if ($exit->slaying eq "/!") {
		2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2455	# the problem is that $exit might not survive long enough
		2456	# so it needs to be done right now, right here
		2457	cf::sync_job { prepare_random_map $exit };
		2458	}
		2459
		2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2461	my $hp = $exit->stats->hp;
		2462	my $sp = $exit->stats->sp;
		2463
1869	$self->enter_link;	2464	$self->enter_link;
		2465
		2466	# if exit is damned, update players death & WoR home-position
		2467	$self->contr->savebed ($slaying, $hp, $sp)
		2468	if $exit->flag (FLAG_DAMNED);
1870		2469
1871	(async {	2470	(async {
1872	$self->deactivate_recursive; # just to be sure	2471	$self->deactivate_recursive; # just to be sure
1873	unless (eval {	2472	unless (eval {
1874	prepare_random_map $exit	2473	$self->goto ($slaying, $hp, $sp);
1875	if $exit->slaying eq "/!";
1876
1877	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1878	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1879		2474
1880	1;	2475	1;
1881	}) {	2476	}) {
1882	$self->message ("Something went wrong deep within the crossfire server. "	2477	$self->message ("Something went wrong deep within the crossfire server. "
1883	. "I'll try to bring you back to the map you were before. "	2478	. "I'll try to bring you back to the map you were before. "
1884	. "Please report this to the dungeon master!",	2479	. "Please report this to the dungeon master!",
1885	cf::NDI_UNIQUE | cf::NDI_RED);	2480	cf::NDI_UNIQUE | cf::NDI_RED);
1886		2481
1887	warn "ERROR in enter_exit: $@";	2482	warn "ERROR in enter_exit: $@";
1888	$self->leave_link;	2483	$self->leave_link;
1889	}	2484	}
1890	})->prio (1);	2485	})->prio (1);
…		…
1903		2498
1904	sub cf::client::send_drawinfo {	2499	sub cf::client::send_drawinfo {
1905	my ($self, $text, $flags) = @_;	2500	my ($self, $text, $flags) = @_;
1906		2501
1907	utf8::encode $text;	2502	utf8::encode $text;
1908	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1909	}	2504	}
1910		2505
		2506	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	Send a drawinfo or msg packet to the client, formatting the msg for the
		2509	client if neccessary. C<$type> should be a string identifying the type of
		2510	the message, with C<log> being the default. If C<$color> is negative, suppress
		2511	the message unless the client supports the msg packet.
		2512
		2513	=cut
		2514
		2515	sub cf::client::send_msg {
		2516	my ($self, $channel, $msg, $color, @extra) = @_;
		2517
		2518	$msg = $self->pl->expand_cfpod ($msg);
		2519
		2520	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2521
		2522	if (ref $channel) {
		2523	# send meta info to client, if not yet sent
		2524	unless (exists $self->{channel}{$channel->{id}}) {
		2525	$self->{channel}{$channel->{id}} = $channel;
		2526	$self->ext_msg (channel_info => $channel);
		2527	}
		2528
		2529	$channel = $channel->{id};
		2530	}
		2531
		2532	return unless @extra || length $msg;
		2533
		2534	if ($self->can_msg) {
		2535	# default colour, mask it out
		2536	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2537	if $color & cf::NDI_DEF;
		2538
		2539	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2540	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2541	} else {
		2542	if ($color >= 0) {
		2543	# replace some tags by gcfclient-compatible ones
		2544	for ($msg) {
		2545	1 while
		2546	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2547	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2548	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2549	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2550	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2551	}
		2552
		2553	$color &= cf::NDI_COLOR_MASK;
		2554
		2555	utf8::encode $msg;
		2556
		2557	if (0 && $msg =~ /\[/) {
		2558	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2559	} else {
		2560	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2561	$self->send_packet ("drawinfo $color $msg")
		2562	}
		2563	}
		2564	}
		2565	}
		2566
		2567	=item $client->ext_msg ($type, @msg)
		2568
		2569	Sends an ext event to the client.
		2570
		2571	=cut
		2572
		2573	sub cf::client::ext_msg($$@) {
		2574	my ($self, $type, @msg) = @_;
		2575
		2576	my $extcmd = $self->extcmd;
		2577
		2578	if ($extcmd == 2) {
		2579	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2580	} elsif ($extcmd == 1) { # TODO: remove
		2581	push @msg, msgtype => "event_$type";
		2582	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2583	}
		2584	}
1911		2585
1912	=item $success = $client->query ($flags, "text", \&cb)	2586	=item $success = $client->query ($flags, "text", \&cb)
1913		2587
1914	Queues a query to the client, calling the given callback with	2588	Queues a query to the client, calling the given callback with
1915	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2589	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1916	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2590	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1917		2591
1918	Queries can fail, so check the return code. Or don't, as queries will become	2592	Queries can fail, so check the return code. Or don't, as queries will
1919	reliable at some point in the future.	2593	become reliable at some point in the future.
1920		2594
1921	=cut	2595	=cut
1922		2596
1923	sub cf::client::query {	2597	sub cf::client::query {
1924	my ($self, $flags, $text, $cb) = @_;	2598	my ($self, $flags, $text, $cb) = @_;
…		…
1932	utf8::encode $text;	2606	utf8::encode $text;
1933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2607	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1934		2608
1935	$self->send_packet ($self->{query_queue}[0][0])	2609	$self->send_packet ($self->{query_queue}[0][0])
1936	if @{ $self->{query_queue} } == 1;	2610	if @{ $self->{query_queue} } == 1;
		2611
		2612	1
1937	}	2613	}
1938		2614
1939	cf::client->attach (	2615	cf::client->attach (
		2616	on_connect => sub {
		2617	my ($ns) = @_;
		2618
		2619	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2620	},
1940	on_reply => sub {	2621	on_reply => sub {
1941	my ($ns, $msg) = @_;	2622	my ($ns, $msg) = @_;
1942		2623
1943	# this weird shuffling is so that direct followup queries	2624	# this weird shuffling is so that direct followup queries
1944	# get handled first	2625	# get handled first
1945	my $queue = delete $ns->{query_queue}	2626	my $queue = delete $ns->{query_queue}
1946	or return; # be conservative, not sure how that can happen, but we saw a crash here	2627	or return; # be conservative, not sure how that can happen, but we saw a crash here
1947		2628
1948	(shift @$queue)->[1]->($msg);	2629	(shift @$queue)->[1]->($msg);
		2630	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1949		2631
1950	push @{ $ns->{query_queue} }, @$queue;	2632	push @{ $ns->{query_queue} }, @$queue;
1951		2633
1952	if (@{ $ns->{query_queue} } == @$queue) {	2634	if (@{ $ns->{query_queue} } == @$queue) {
1953	if (@$queue) {	2635	if (@$queue) {
…		…
1955	} else {	2637	} else {
1956	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2638	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1957	}	2639	}
1958	}	2640	}
1959	},	2641	},
		2642	on_exticmd => sub {
		2643	my ($ns, $buf) = @_;
		2644
		2645	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2646
		2647	if (ref $msg) {
		2648	my ($type, $reply, @payload) =
		2649	"ARRAY" eq ref $msg
		2650	? @$msg
		2651	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2652
		2653	if (my $cb = $EXTICMD{$type}) {
		2654	my @reply = $cb->($ns, @payload);
		2655
		2656	$ns->ext_reply ($reply, @reply)
		2657	if $reply;
		2658	}
		2659	} else {
		2660	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2661	}
		2662
		2663	cf::override;
		2664	},
1960	);	2665	);
1961		2666
1962	=item $client->async (\&cb)	2667	=item $client->async (\&cb)
1963		2668
1964	Create a new coroutine, running the specified callback. The coroutine will	2669	Create a new coroutine, running the specified callback. The coroutine will
…		…
2011		2716
2012	# here we export the classes and methods available to script code	2717	# here we export the classes and methods available to script code
2013		2718
2014	=pod	2719	=pod
2015		2720
2016	The following fucntions and emthods are available within a safe environment:	2721	The following functions and methods are available within a safe environment:
2017		2722
2018	cf::object contr pay_amount pay_player map	2723	cf::object
		2724	contr pay_amount pay_player map x y force_find force_add
		2725	insert remove
		2726
2019	cf::object::player player	2727	cf::object::player
2020	cf::player peaceful	2728	player
2021	cf::map trigger	2729
		2730	cf::player
		2731	peaceful
		2732
		2733	cf::map
		2734	trigger
2022		2735
2023	=cut	2736	=cut
2024		2737
2025	for (	2738	for (
2026	["cf::object" => qw(contr pay_amount pay_player map)],	2739	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2740	insert remove)],
2027	["cf::object::player" => qw(player)],	2741	["cf::object::player" => qw(player)],
2028	["cf::player" => qw(peaceful)],	2742	["cf::player" => qw(peaceful)],
2029	["cf::map" => qw(trigger)],	2743	["cf::map" => qw(trigger)],
2030	) {	2744	) {
2031	no strict 'refs';	2745	no strict 'refs';
…		…
2102	=back	2816	=back
2103		2817
2104	=cut	2818	=cut
2105		2819
2106	#############################################################################	2820	#############################################################################
		2821	# the server's init and main functions
2107		2822
2108	=head2 EXTENSION DATABASE SUPPORT	2823	sub load_facedata($) {
		2824	my ($path) = @_;
2109		2825
2110	Crossfire maintains a very simple database for extension use. It can	2826	warn "loading facedata from $path\n";
2111	currently store anything that can be serialised using Storable, which
2112	excludes objects.
2113		2827
2114	The parameter C<$family> should best start with the name of the extension	2828	my $facedata;
2115	using it, it should be unique.	2829	0 < aio_load $path, $facedata
		2830	or die "$path: $!";
2116		2831
2117	=over 4	2832	$facedata = Coro::Storable::thaw $facedata;
2118		2833
2119	=item $hashref = cf::db_get $family	2834	$facedata->{version} == 2
		2835	or cf::cleanup "$path: version mismatch, cannot proceed.";
2120		2836
2121	Return a hashref for use by the extension C<$family>, which can be
2122	modified. After modifications, you have to call C<cf::db_dirty> or
2123	C<cf::db_sync>.
2124
2125	=item $value = cf::db_get $family => $key
2126
2127	Returns a single value from the database
2128
2129	=item cf::db_put $family => $hashref
2130
2131	Stores the given family hashref into the database. Updates are delayed, if
2132	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2133
2134	=item cf::db_put $family => $key => $value
2135
2136	Stores the given C<$value> in the family hash. Updates are delayed, if you
2137	want the data to be synced to disk immediately, use C<cf::db_sync>.
2138
2139	=item cf::db_dirty
2140
2141	Marks the database as dirty, to be updated at a later time.
2142
2143	=item cf::db_sync
2144
2145	Immediately write the database to disk I<if it is dirty>.
2146
2147	=cut
2148
2149	our $DB;
2150
2151	{
2152	my $path = cf::localdir . "/database.pst";
2153
2154	sub db_load() {
2155	$DB = stat $path ? Storable::retrieve $path : { };
2156	}	2837	{
		2838	my $faces = $facedata->{faceinfo};
2157		2839
2158	my $pid;	2840	while (my ($face, $info) = each %$faces) {
		2841	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2842	cf::face::set_visibility $idx, $info->{visibility};
		2843	cf::face::set_magicmap $idx, $info->{magicmap};
		2844	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2845	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2159		2846
2160	sub db_save() {	2847	cf::cede_to_tick;
2161	waitpid $pid, 0 if $pid;
2162	if (0 == ($pid = fork)) {
2163	$DB->{_meta}{version} = 1;
2164	Storable::nstore $DB, "$path~";
2165	rename "$path~", $path;
2166	cf::_exit 0 if defined $pid;
2167	}
2168	}
2169
2170	my $dirty;
2171
2172	sub db_sync() {
2173	db_save if $dirty;
2174	undef $dirty;
2175	}
2176
2177	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2178	db_sync;
2179	});
2180
2181	sub db_dirty() {
2182	$dirty = 1;
2183	$idle->start;
2184	}
2185
2186	sub db_get($;$) {
2187	@_ >= 2
2188	? $DB->{$_[0]}{$_[1]}
2189	: ($DB->{$_[0]} ||= { })
2190	}
2191
2192	sub db_put($$;$) {
2193	if (@_ >= 3) {
2194	$DB->{$_[0]}{$_[1]} = $_[2];
2195	} else {
2196	$DB->{$_[0]} = $_[1];
2197	}
2198	db_dirty;
2199	}
2200
2201	cf::global->attach (
2202	prio => 10000,
2203	on_cleanup => sub {
2204	db_sync;
2205	},	2848	}
2206	);
2207	}
2208		2849
2209	#############################################################################	2850	while (my ($face, $info) = each %$faces) {
2210	# the server's main()	2851	next unless $info->{smooth};
		2852	my $idx = cf::face::find $face
		2853	or next;
		2854	if (my $smooth = cf::face::find $info->{smooth}) {
		2855	cf::face::set_smooth $idx, $smooth;
		2856	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2857	} else {
		2858	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2859	}
		2860
		2861	cf::cede_to_tick;
		2862	}
		2863	}
		2864
		2865	{
		2866	my $anims = $facedata->{animinfo};
		2867
		2868	while (my ($anim, $info) = each %$anims) {
		2869	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2870	cf::cede_to_tick;
		2871	}
		2872
		2873	cf::anim::invalidate_all; # d'oh
		2874	}
		2875
		2876	{
		2877	# TODO: for gcfclient pleasure, we should give resources
		2878	# that gcfclient doesn't grok a >10000 face index.
		2879	my $res = $facedata->{resource};
		2880	my $enc = JSON::XS->new->utf8->canonical;
		2881
		2882	my $soundconf = delete $res->{"res/sound.conf"};
		2883
		2884	while (my ($name, $info) = each %$res) {
		2885	my $meta = $enc->encode ({
		2886	name => $name,
		2887	%{ $info->{meta} || {} },
		2888	});
		2889
		2890	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2891
		2892	if ($info->{type} & 1) {
		2893	# prepend meta info
		2894
		2895	my $data = pack "(w/a*)*", $meta, $info->{data};
		2896	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2897
		2898	cf::face::set_data $idx, 0, $data, $chk;
		2899	} else {
		2900	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2901	}
		2902
		2903	cf::face::set_type $idx, $info->{type};
		2904
		2905	cf::cede_to_tick;
		2906	}
		2907
		2908	if ($soundconf) {
		2909	$soundconf = $enc->decode (delete $soundconf->{data});
		2910
		2911	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2912	my $sound = $soundconf->{compat}[$_]
		2913	or next;
		2914
		2915	my $face = cf::face::find "sound/$sound->[1]";
		2916	cf::sound::set $sound->[0] => $face;
		2917	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2918	}
		2919
		2920	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2921	my $face = cf::face::find "sound/$v";
		2922	cf::sound::set $k => $face;
		2923	}
		2924	}
		2925	}
		2926
		2927	1
		2928	}
		2929
		2930	register_exticmd fx_want => sub {
		2931	my ($ns, $want) = @_;
		2932
		2933	while (my ($k, $v) = each %$want) {
		2934	$ns->fx_want ($k, $v);
		2935	}
		2936	};
		2937
		2938	sub reload_regions {
		2939	load_resource_file "$MAPDIR/regions"
		2940	or die "unable to load regions file\n";
		2941
		2942	for (cf::region::list) {
		2943	$_->{match} = qr/$_->{match}/
		2944	if exists $_->{match};
		2945	}
		2946	}
		2947
		2948	sub reload_facedata {
		2949	load_facedata "$DATADIR/facedata"
		2950	or die "unable to load facedata\n";
		2951	}
		2952
		2953	sub reload_archetypes {
		2954	load_resource_file "$DATADIR/archetypes"
		2955	or die "unable to load archetypes\n";
		2956	#d# NEED to laod twice to resolve forward references
		2957	# this really needs to be done in an extra post-pass
		2958	# (which needs to be synchronous, so solve it differently)
		2959	load_resource_file "$DATADIR/archetypes"
		2960	or die "unable to load archetypes\n";
		2961	}
		2962
		2963	sub reload_treasures {
		2964	load_resource_file "$DATADIR/treasures"
		2965	or die "unable to load treasurelists\n";
		2966	}
		2967
		2968	sub reload_resources {
		2969	warn "reloading resource files...\n";
		2970
		2971	reload_regions;
		2972	reload_facedata;
		2973	#reload_archetypes;#d#
		2974	reload_archetypes;
		2975	reload_treasures;
		2976
		2977	warn "finished reloading resource files\n";
		2978	}
		2979
		2980	sub init {
		2981	reload_resources;
		2982	}
2211		2983
2212	sub cfg_load {	2984	sub cfg_load {
2213	open my $fh, "<:utf8", cf::confdir . "/config"	2985	open my $fh, "<:utf8", "$CONFDIR/config"
2214	or return;	2986	or return;
2215		2987
2216	local $/;	2988	local $/;
2217	*CFG = YAML::Syck::Load <$fh>;	2989	*CFG = YAML::Syck::Load <$fh>;
2218		2990
…		…
2238	Event::one_event;	3010	Event::one_event;
2239	})->prio (Coro::PRIO_MAX);	3011	})->prio (Coro::PRIO_MAX);
2240	};	3012	};
2241		3013
2242	cfg_load;	3014	cfg_load;
2243	db_load;	3015	db_init;
2244	load_extensions;	3016	load_extensions;
		3017
		3018	$TICK_WATCHER->start;
2245	Event::loop;	3019	Event::loop;
2246	}	3020	}
2247		3021
2248	#############################################################################	3022	#############################################################################
2249	# initialisation and cleanup	3023	# initialisation and cleanup
2250		3024
2251	# install some emergency cleanup handlers	3025	# install some emergency cleanup handlers
2252	BEGIN {	3026	BEGIN {
2253	for my $signal (qw(INT HUP TERM)) {	3027	for my $signal (qw(INT HUP TERM)) {
2254	Event->signal (	3028	Event->signal (
		3029	reentrant => 0,
2255	data => WF_AUTOCANCEL,	3030	data => WF_AUTOCANCEL,
2256	signal => $signal,	3031	signal => $signal,
		3032	prio => 0,
2257	cb => sub {	3033	cb => sub {
2258	cf::cleanup "SIG$signal";	3034	cf::cleanup "SIG$signal";
2259	},	3035	},
2260	);	3036	);
2261	}	3037	}
		3038	}
		3039
		3040	sub write_runtime {
		3041	my $runtime = "$LOCALDIR/runtime";
		3042
		3043	# first touch the runtime file to show we are still running:
		3044	# the fsync below can take a very very long time.
		3045
		3046	IO::AIO::aio_utime $runtime, undef, undef;
		3047
		3048	my $guard = cf::lock_acquire "write_runtime";
		3049
		3050	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3051	or return;
		3052
		3053	my $value = $cf::RUNTIME + 90 + 10;
		3054	# 10 is the runtime save interval, for a monotonic clock
		3055	# 60 allows for the watchdog to kill the server.
		3056
		3057	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3058	and return;
		3059
		3060	# always fsync - this file is important
		3061	aio_fsync $fh
		3062	and return;
		3063
		3064	# touch it again to show we are up-to-date
		3065	aio_utime $fh, undef, undef;
		3066
		3067	close $fh
		3068	or return;
		3069
		3070	aio_rename "$runtime~", $runtime
		3071	and return;
		3072
		3073	warn "runtime file written.\n";
		3074
		3075	1
2262	}	3076	}
2263		3077
2264	sub emergency_save() {	3078	sub emergency_save() {
2265	my $freeze_guard = cf::freeze_mainloop;	3079	my $freeze_guard = cf::freeze_mainloop;
2266		3080
…		…
2283	my $map = $cf::MAP{$path} or next;	3097	my $map = $cf::MAP{$path} or next;
2284	$map->valid or next;	3098	$map->valid or next;
2285	$map->save;	3099	$map->save;
2286	}	3100	}
2287	warn "end emergency map save\n";	3101	warn "end emergency map save\n";
		3102
		3103	warn "begin emergency database checkpoint\n";
		3104	BDB::db_env_txn_checkpoint $DB_ENV;
		3105	warn "end emergency database checkpoint\n";
2288	};	3106	};
2289		3107
2290	warn "leave emergency perl save\n";	3108	warn "leave emergency perl save\n";
2291	}	3109	}
2292		3110
		3111	sub post_cleanup {
		3112	my ($make_core) = @_;
		3113
		3114	warn Carp::longmess "post_cleanup backtrace"
		3115	if $make_core;
		3116	}
		3117
2293	sub reload() {	3118	sub do_reload_perl() {
2294	# can/must only be called in main	3119	# can/must only be called in main
2295	if ($Coro::current != $Coro::main) {	3120	if ($Coro::current != $Coro::main) {
2296	warn "can only reload from main coroutine\n";	3121	warn "can only reload from main coroutine";
2297	return;	3122	return;
2298	}	3123	}
2299		3124
2300	warn "reloading...";	3125	warn "reloading...";
2301		3126
2302	warn "freezing server";	3127	warn "entering sync_job";
2303	my $guard = freeze_mainloop;	3128
		3129	cf::sync_job {
		3130	cf::write_runtime; # external watchdog should not bark
2304	cf::emergency_save;	3131	cf::emergency_save;
		3132	cf::write_runtime; # external watchdog should not bark
2305		3133
2306	warn "sync database to disk";	3134	warn "syncing database to disk";
2307	cf::db_sync;	3135	BDB::db_env_txn_checkpoint $DB_ENV;
2308	IO::AIO::flush;
2309		3136
2310	eval {
2311	# if anything goes wrong in here, we should simply crash as we already saved	3137	# if anything goes wrong in here, we should simply crash as we already saved
2312		3138
2313	warn "cancel all watchers";	3139	warn "cancelling all WF_AUTOCANCEL watchers";
2314	for (Event::all_watchers) {	3140	for (Event::all_watchers) {
2315	$_->cancel if $_->data & WF_AUTOCANCEL;	3141	$_->cancel if $_->data & WF_AUTOCANCEL;
2316	}	3142	}
2317		3143
		3144	warn "flushing outstanding aio requests";
		3145	for (;;) {
		3146	BDB::flush;
		3147	IO::AIO::flush;
		3148	Coro::cede;
		3149	last unless IO::AIO::nreqs || BDB::nreqs;
		3150	warn "iterate...";
		3151	}
		3152
		3153	++$RELOAD;
		3154
2318	warn "cancel all extension coros";	3155	warn "cancelling all extension coros";
2319	$_->cancel for values %EXT_CORO;	3156	$_->cancel for values %EXT_CORO;
2320	%EXT_CORO = ();	3157	%EXT_CORO = ();
2321		3158
2322	warn "remove commands";	3159	warn "removing commands";
2323	%COMMAND = ();	3160	%COMMAND = ();
2324		3161
2325	warn "remove ext commands";	3162	warn "removing ext/exti commands";
2326	%EXTCMD = ();	3163	%EXTCMD = ();
		3164	%EXTICMD = ();
2327		3165
2328	warn "unload/nuke all extensions";	3166	warn "unloading/nuking all extensions";
2329	for my $pkg (@EXTS) {	3167	for my $pkg (@EXTS) {
2330	warn "... unloading $pkg";	3168	warn "... unloading $pkg";
2331		3169
2332	if (my $cb = $pkg->can ("unload")) {	3170	if (my $cb = $pkg->can ("unload")) {
2333	eval {	3171	eval {
…		…
2338		3176
2339	warn "... nuking $pkg";	3177	warn "... nuking $pkg";
2340	Symbol::delete_package $pkg;	3178	Symbol::delete_package $pkg;
2341	}	3179	}
2342		3180
2343	warn "unload all perl modules loaded from $LIBDIR";	3181	warn "unloading all perl modules loaded from $LIBDIR";
2344	while (my ($k, $v) = each %INC) {	3182	while (my ($k, $v) = each %INC) {
2345	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3183	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2346		3184
2347	warn "removing <$k>";	3185	warn "... unloading $k";
2348	delete $INC{$k};	3186	delete $INC{$k};
2349		3187
2350	$k =~ s/\.pm$//;	3188	$k =~ s/\.pm$//;
2351	$k =~ s/\//::/g;	3189	$k =~ s/\//::/g;
2352		3190
…		…
2355	}	3193	}
2356		3194
2357	Symbol::delete_package $k;	3195	Symbol::delete_package $k;
2358	}	3196	}
2359		3197
2360	warn "get rid of safe::, as good as possible";	3198	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3199	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3200	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3201
2364	warn "unload cf.pm \"a bit\"";	3202	warn "unloading cf.pm \"a bit\"";
2365	delete $INC{"cf.pm"};	3203	delete $INC{"cf.pm"};
		3204	delete $INC{"cf/pod.pm"};
2366		3205
2367	# don't, removes xs symbols, too,	3206	# don't, removes xs symbols, too,
2368	# and global variables created in xs	3207	# and global variables created in xs
2369	#Symbol::delete_package __PACKAGE__;	3208	#Symbol::delete_package __PACKAGE__;
2370		3209
		3210	warn "unload completed, starting to reload now";
		3211
2371	warn "reloading cf.pm";	3212	warn "reloading cf.pm";
2372	require cf;	3213	require cf;
2373	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3214	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2374		3215
2375	warn "load config and database again";	3216	warn "loading config and database again";
2376	cf::cfg_load;	3217	cf::cfg_load;
2377	cf::db_load;
2378		3218
2379	warn "load extensions";	3219	warn "loading extensions";
2380	cf::load_extensions;	3220	cf::load_extensions;
2381		3221
2382	warn "reattach attachments to objects/players";	3222	warn "reattaching attachments to objects/players";
2383	_global_reattach;	3223	_global_reattach; # objects, sockets
2384	warn "reattach attachments to maps";	3224	warn "reattaching attachments to maps";
2385	reattach $_ for values %MAP;	3225	reattach $_ for values %MAP;
2386	};	3226	warn "reattaching attachments to players";
		3227	reattach $_ for values %PLAYER;
2387		3228
2388	if ($@) {	3229	warn "leaving sync_job";
		3230
		3231	1
		3232	} or do {
2389	warn $@;	3233	warn $@;
2390	warn "error while reloading, exiting.";	3234	warn "error while reloading, exiting.";
2391	exit 1;	3235	exit 1;
2392	}	3236	};
2393		3237
2394	warn "reloaded";	3238	warn "reloaded";
2395	};	3239	};
2396		3240
2397	our $RELOAD_WATCHER; # used only during reload	3241	our $RELOAD_WATCHER; # used only during reload
2398		3242
		3243	sub reload_perl() {
		3244	# doing reload synchronously and two reloads happen back-to-back,
		3245	# coro crashes during coro_state_free->destroy here.
		3246
		3247	$RELOAD_WATCHER ||= Event->timer (
		3248	reentrant => 0,
		3249	after => 0,
		3250	data => WF_AUTOCANCEL,
		3251	cb => sub {
		3252	do_reload_perl;
		3253	undef $RELOAD_WATCHER;
		3254	},
		3255	);
		3256	}
		3257
2399	register_command "reload" => sub {	3258	register_command "reload" => sub {
2400	my ($who, $arg) = @_;	3259	my ($who, $arg) = @_;
2401		3260
2402	if ($who->flag (FLAG_WIZ)) {	3261	if ($who->flag (FLAG_WIZ)) {
2403	$who->message ("reloading server.");	3262	$who->message ("reloading server.");
2404		3263	async { reload_perl };
2405	# doing reload synchronously and two reloads happen back-to-back,
2406	# coro crashes during coro_state_free->destroy here.
2407
2408	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2409	reload;
2410	undef $RELOAD_WATCHER;
2411	});
2412	}	3264	}
2413	};	3265	};
2414		3266
2415	unshift @INC, $LIBDIR;	3267	unshift @INC, $LIBDIR;
2416		3268
		3269	my $bug_warning = 0;
		3270
		3271	our @WAIT_FOR_TICK;
		3272	our @WAIT_FOR_TICK_BEGIN;
		3273
		3274	sub wait_for_tick {
		3275	return unless $TICK_WATCHER->is_active;
		3276	return if $Coro::current == $Coro::main;
		3277
		3278	my $signal = new Coro::Signal;
		3279	push @WAIT_FOR_TICK, $signal;
		3280	$signal->wait;
		3281	}
		3282
		3283	sub wait_for_tick_begin {
		3284	return unless $TICK_WATCHER->is_active;
		3285	return if $Coro::current == $Coro::main;
		3286
		3287	my $signal = new Coro::Signal;
		3288	push @WAIT_FOR_TICK_BEGIN, $signal;
		3289	$signal->wait;
		3290	}
		3291
		3292	my $min = 1e6;#d#
		3293	my $avg = 10;
2417	$TICK_WATCHER = Event->timer (	3294	$TICK_WATCHER = Event->timer (
2418	reentrant => 0,	3295	reentrant => 0,
		3296	parked => 1,
2419	prio => 0,	3297	prio => 0,
2420	at => $NEXT_TICK || $TICK,	3298	at => $NEXT_TICK || $TICK,
2421	data => WF_AUTOCANCEL,	3299	data => WF_AUTOCANCEL,
2422	cb => sub {	3300	cb => sub {
		3301	if ($Coro::current != $Coro::main) {
		3302	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3303	unless ++$bug_warning > 10;
		3304	return;
		3305	}
		3306
2423	$NOW = Event::time;	3307	$NOW = $tick_start = Event::time;
2424		3308
2425	cf::server_tick; # one server iteration	3309	cf::server_tick; # one server iteration
		3310
		3311	0 && sync_job {#d#
		3312	for(1..10) {
		3313	my $t = Event::time;
		3314	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3315	or die;
		3316
		3317	$map->width (50);
		3318	$map->height (50);
		3319	$map->alloc;
		3320	$map->_load_objects ("/tmp/x.map", 1);
		3321	my $t = Event::time - $t;
		3322
		3323	#next unless $t < 0.0013;#d#
		3324	if ($t < $min) {
		3325	$min = $t;
		3326	}
		3327	$avg = $avg * 0.99 + $t * 0.01;
		3328	}
		3329	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3330	exit 0;
		3331	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3332	};
		3333
2426	$RUNTIME += $TICK;	3334	$RUNTIME += $TICK;
2427	$NEXT_TICK += $TICK;	3335	$NEXT_TICK += $TICK;
2428		3336
2429	$WAIT_FOR_TICK->broadcast;	3337	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2430	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3338	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3339	Coro::async_pool {
		3340	write_runtime
		3341	or warn "ERROR: unable to write runtime file: $!";
		3342	};
		3343	}
		3344
		3345	# my $AFTER = Event::time;
		3346	# warn $AFTER - $NOW;#d#
		3347
		3348	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3349	$sig->send;
		3350	}
		3351	while (my $sig = shift @WAIT_FOR_TICK) {
		3352	$sig->send;
		3353	}
		3354
		3355	$NOW = Event::time;
2431		3356
2432	# if we are delayed by four ticks or more, skip them all	3357	# if we are delayed by four ticks or more, skip them all
2433	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3358	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2434		3359
2435	$TICK_WATCHER->at ($NEXT_TICK);	3360	$TICK_WATCHER->at ($NEXT_TICK);
2436	$TICK_WATCHER->start;	3361	$TICK_WATCHER->start;
		3362
		3363	$LOAD = ($NOW - $tick_start) / $TICK;
		3364	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3365
		3366	_post_tick;
		3367
		3368
2437	},	3369	},
2438	);	3370	);
2439		3371
		3372	{
		3373	BDB::max_poll_time $TICK * 0.1;
		3374	$BDB_POLL_WATCHER = Event->io (
		3375	reentrant => 0,
		3376	fd => BDB::poll_fileno,
		3377	poll => 'r',
		3378	prio => 0,
		3379	data => WF_AUTOCANCEL,
		3380	cb => \&BDB::poll_cb,
		3381	);
		3382	BDB::min_parallel 8;
		3383
		3384	BDB::set_sync_prepare {
		3385	my $status;
		3386	my $current = $Coro::current;
		3387	(
		3388	sub {
		3389	$status = $!;
		3390	$current->ready; undef $current;
		3391	},
		3392	sub {
		3393	Coro::schedule while defined $current;
		3394	$! = $status;
		3395	},
		3396	)
		3397	};
		3398
		3399	unless ($DB_ENV) {
		3400	$DB_ENV = BDB::db_env_create;
		3401
		3402	cf::sync_job {
		3403	eval {
		3404	BDB::db_env_open
		3405	$DB_ENV,
		3406	$BDBDIR,
		3407	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3408	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3409	0666;
		3410
		3411	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3412
		3413	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3414	$DB_ENV->set_lk_detect;
		3415	};
		3416
		3417	cf::cleanup "db_env_open(db): $@" if $@;
		3418	};
		3419	}
		3420	}
		3421
		3422	{
		3423	IO::AIO::min_parallel 8;
		3424
		3425	undef $Coro::AIO::WATCHER;
2440	IO::AIO::max_poll_time $TICK * 0.2;	3426	IO::AIO::max_poll_time $TICK * 0.1;
2441
2442	$AIO_POLL_WATCHER = Event->io (	3427	$AIO_POLL_WATCHER = Event->io (
2443	fd => IO::AIO::poll_fileno,	3428	reentrant => 0,
2444	poll => 'r',
2445	prio => 5,
2446	data => WF_AUTOCANCEL,
2447	cb => \&IO::AIO::poll_cb,
2448	);
2449
2450	$WRITE_RUNTIME_WATCHER = Event->timer (
2451	data => WF_AUTOCANCEL,	3429	data => WF_AUTOCANCEL,
2452	after => 0,	3430	fd => IO::AIO::poll_fileno,
2453	interval => 10,	3431	poll => 'r',
2454	cb => sub {	3432	prio => 6,
2455	(Coro::unblock_sub {	3433	cb => \&IO::AIO::poll_cb,
2456	write_runtime	3434	);
2457	or warn "ERROR: unable to write runtime file: $!";	3435	}
		3436
		3437	my $_log_backtrace;
		3438
		3439	sub _log_backtrace {
		3440	my ($msg, @addr) = @_;
		3441
		3442	$msg =~ s/\n//;
		3443
		3444	# limit the # of concurrent backtraces
		3445	if ($_log_backtrace < 2) {
		3446	++$_log_backtrace;
		3447	async {
		3448	my @bt = fork_call {
		3449	@addr = map { sprintf "%x", $_ } @addr;
		3450	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3451	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3452	or die "addr2line: $!";
		3453
		3454	my @funcs;
		3455	my @res = <$fh>;
		3456	chomp for @res;
		3457	while (@res) {
		3458	my ($func, $line) = splice @res, 0, 2, ();
		3459	push @funcs, "[$func] $line";
		3460	}
		3461
		3462	@funcs
		3463	};
		3464
		3465	LOG llevInfo, "[ABT] $msg\n";
		3466	LOG llevInfo, "[ABT] $_\n" for @bt;
		3467	--$_log_backtrace;
2458	})->();	3468	};
		3469	} else {
		3470	LOG llevInfo, "[ABT] $msg\n";
		3471	LOG llevInfo, "[ABT] [suppressed]\n";
2459	},	3472	}
2460	);	3473	}
		3474
		3475	# load additional modules
		3476	use cf::pod;
2461		3477
2462	END { cf::emergency_save }	3478	END { cf::emergency_save }
2463		3479
2464	1	3480	1
2465		3481

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