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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.212 by root, Tue Feb 13 19:25:44 2007 UTC vs.
Revision 1.302 by root, Tue Jul 10 16:23:59 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 3.5 ();	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 ();
20	use BDB ();	26	use BDB ();
21	use Data::Dumper;	27	use Data::Dumper;
22	use Digest::MD5;	28	use Digest::MD5;
23	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
24	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	32	use Time::HiRes;
27	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
28		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		41
31	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
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		43
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
37		46
38	$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
39		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
40	our %COMMAND = ();	51	our %COMMAND = ();
41	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
42		53
43	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
47		59
		60	our $RELOAD; # number of reloads so far
48	our @EVENT;	61	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		62
51	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(!)
52	our $TICK_WATCHER;	76	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	79	our $NEXT_TICK;
56	our $NOW;	80	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		82
59	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
…		…
65	our $RUNTIME;	89	our $RUNTIME;
66		90
67	our %PLAYER; # all users	91	our %PLAYER; # all users
68	our %MAP; # all maps	92	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		94
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $tick_start; # for load detecting purposes
		101
79	binmode STDOUT;	102	binmode STDOUT;
80	binmode STDERR;	103	binmode STDERR;
81		104
82	# read virtual server time, if available	105	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
87	}	110	}
88		111
89	mkdir cf::localdir;	112	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		114
96	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
97		116
98	sub cf::map::normalise;	117	sub cf::map::normalise;
99		118
…		…
110	=item $cf::RUNTIME	129	=item $cf::RUNTIME
111		130
112	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
113	every server tick.	132	every server tick.
114		133
115	=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
116		137
117	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		142
120	=item $cf::NOW	143	=item $cf::NOW
121		144
122	The time of the last (current) server tick.	145	The time of the last (current) server tick.
123		146
124	=item $cf::TICK	147	=item $cf::TICK
125		148
126	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.
127		160
128	=item %cf::CFG	161	=item %cf::CFG
129		162
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	164	from wherever your confdir points to.
132		165
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		167
135	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
136	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
137	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.
138	window of cpu time available, or simply to synchronise to the server tick.
139		171
140	=back	172	=back
141		173
142	=cut	174	=cut
143		175
144	BEGIN {	176	BEGIN {
145	*CORE::GLOBAL::warn = sub {	177	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	178	my $msg = join "", @_;
147	utf8::encode $msg;
148		179
149	$msg .= "\n"	180	$msg .= "\n"
150	unless $msg =~ /\n$/;	181	unless $msg =~ /\n$/;
151		182
		183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		184
		185	utf8::encode $msg;
152	LOG llevError, $msg;	186	LOG llevError, $msg;
153	};	187	};
154	}	188	}
155		189
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	194	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		195	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	196	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		197
163	# we bless all objects into (empty) derived classes to force a method lookup	198	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	199	# within the Safe compartment.
165	for my $pkg (qw(	200	for my $pkg (qw(
166	cf::global cf::attachable	201	cf::global cf::attachable
…		…
174	}	209	}
175		210
176	$Event::DIED = sub {	211	$Event::DIED = sub {
177	warn "error in event callback: @_";	212	warn "error in event callback: @_";
178	};	213	};
		214
		215	#############################################################################
179		216
180	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
181		218
182	=over 4	219	=over 4
183		220
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	240	$d
204	} || "[unable to dump $_[0]: '$@']";	241	} || "[unable to dump $_[0]: '$@']";
205	}	242	}
206		243
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
210		245
211	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
212		247
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
221		249
222	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
223		251
224	=cut	252	=cut
225		253
226	sub to_json($) {	254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
228	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	257	sub from_json ($) { $json_coder->decode ($_[0]) }
230		258
231	=item cf::lock_wait $string	259	=item cf::lock_wait $string
232		260
233	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
234		262
…		…
240	returned.	268	returned.
241		269
242	Lock names should begin with a unique identifier (for example, cf::map::find	270	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
244		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
245	=cut	277	=cut
246		278
247	our %LOCK;	279	our %LOCK;
248		280
249	sub lock_wait($) {	281	sub lock_wait($) {
…		…
268	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
270	}	302	}
271	}	303	}
272		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
		309	}
		310
273	sub freeze_mainloop {	311	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
275		313
276	my $guard = Coro::guard {	314	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	315	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	316	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	317	$TICK_WATCHER->stop;
282	$guard	318	$guard
283	}	319	}
284		320
285	=item cf::async { BLOCK }	321	=item cf::async { BLOCK }
…		…
292		328
293	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
294		330
295	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
296		332
297	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
300		337
301	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
304	fast or be very important.	341	fast or be very important.
…		…
307		344
308	sub sync_job(&) {	345	sub sync_job(&) {
309	my ($job) = @_;	346	my ($job) = @_;
310		347
311	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
312	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
314		353
315	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
327		366
328	while ($busy) {	367	while ($busy) {
329	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
330	}	369	}
331		370
		371	$time = Event::time - $time;
		372
		373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		375
		376	$tick_start += $time; # do not account sync jobs to server load
		377
332	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
333	} else {	379	} else {
334	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
335		381
336	$job->()	382	$job->()
…		…
355	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
356		402
357	$coro	403	$coro
358	}	404	}
359		405
360	sub write_runtime {	406	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		407
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
364	or return;	409	process, returning the results. Everything must be serialisable with
		410	Coro::Storable. May, of course, block. Note that the executed sub may
		411	never block itself or use any form of Event handling.
365		412
366	my $value = $cf::RUNTIME + 90 + 10;	413	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		414
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	415	sub _store_scalar {
371	and return;	416	open my $fh, ">", \my $buf
372		417	or die "fork_call: cannot open fh-to-buf in child : $!";
373	# always fsync - this file is important	418	Storable::store_fd $_[0], $fh;
374	aio_fsync $fh
375	and return;
376
377	close $fh	419	close $fh;
378	or return;
379		420
380	aio_rename "$runtime~", $runtime	421	$buf
381	and return;	422	}
382		423
		424	sub fork_call(&@) {
		425	my ($cb, @args) = @_;
		426
		427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		428	# or die "socketpair: $!";
		429	pipe my $fh1, my $fh2
		430	or die "pipe: $!";
		431
		432	if (my $pid = fork) {
		433	close $fh2;
		434
		435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		436	warn "pst<$res>" unless $res =~ /^pst/;
		437	$res = Coro::Storable::thaw $res;
		438
		439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		440
		441	Carp::confess $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
383	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		499	my $key = "$_[0]/$_[1]";
		500
		501	cf::sync_job {
		502	BDB::db_get $DB, undef, $key, my $data;
		503
		504	$! ? ()
		505	: $data
		506	}
		507	}
		508
		509	sub db_put($$$) {
		510	BDB::dbreq_pri 4;
		511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		512	}
		513
		514	=item cf::cache $id => [$paths...], $processversion => $process
		515
		516	Generic caching function that returns the value of the resource $id,
		517	caching and regenerating as required.
		518
		519	This function can block.
		520
		521	=cut
		522
		523	sub cache {
		524	my ($id, $src, $processversion, $process) = @_;
		525
		526	my $meta =
		527	join "\x00",
		528	$processversion,
		529	map {
		530	aio_stat $_
		531	and Carp::croak "$_: $!";
		532
		533	($_, (stat _)[7,9])
		534	} @$src;
		535
		536	my $dbmeta = db_get cache => "$id/meta";
		537	if ($dbmeta ne $meta) {
		538	# changed, we may need to process
		539
		540	my @data;
		541	my $md5;
		542
		543	for (0 .. $#$src) {
		544	0 <= aio_load $src->[$_], $data[$_]
		545	or Carp::croak "$src->[$_]: $!";
		546	}
		547
		548	# if processing is expensive, check
		549	# checksum first
		550	if (1) {
		551	$md5 =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	Coro::cede;
		556	($src->[$_], Digest::MD5::md5_hex $data[$_])
		557	} 0.. $#$src;
		558
		559
		560	my $dbmd5 = db_get cache => "$id/md5";
		561	if ($dbmd5 eq $md5) {
		562	db_put cache => "$id/meta", $meta;
		563
		564	return db_get cache => "$id/data";
		565	}
		566	}
		567
		568	my $t1 = Time::HiRes::time;
		569	my $data = $process->(\@data);
		570	my $t2 = Time::HiRes::time;
		571
		572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		573
		574	db_put cache => "$id/data", $data;
		575	db_put cache => "$id/md5" , $md5;
		576	db_put cache => "$id/meta", $meta;
		577
		578	return $data;
		579	}
		580
		581	db_get cache => "$id/data"
		582	}
		583
		584	=item cf::datalog type => key => value, ...
		585
		586	Log a datalog packet of the given type with the given key-value pairs.
		587
		588	=cut
		589
		590	sub datalog($@) {
		591	my ($type, %kv) = @_;
		592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	593	}
385		594
386	=back	595	=back
387		596
388	=cut	597	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	604	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
397		606
398	In the following description, CLASS can be any of C<global>, C<object>	607	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	608	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	609	Crossfire TRT).
401		610
402	=over 4	611	=over 4
403		612
404	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
405		614
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
569		778
570	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		783
575	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	785	my $pkg = shift @arg;
577		786
578	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
608	}	817	}
609		818
610	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
611	} else {	820	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	822	}
614		823
615	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
616	}	825	}
617		826
…		…
619	if (ref $_[0]) {	828	if (ref $_[0]) {
620	_object_attach @_;	829	_object_attach @_;
621	} else {	830	} else {
622	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
623	}	832	}
		833	_recalc_want;
624	};	834	};
625		835
626	# all those should be optimised	836	# all those should be optimised
627	sub cf::attachable::detach {	837	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
632	reattach ($obj);	842	reattach ($obj);
633	} else {	843	} else {
634	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
635	}	845	}
		846	_recalc_want;
636	};	847	};
637		848
638	sub cf::attachable::attached {	849	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
640		851
…		…
787	}	998	}
788	} else {	999	} else {
789	aio_unlink $filename;	1000	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1001	aio_unlink "$filename.pst";
791	}	1002	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1003	}
799	}	1004	}
800		1005
801	sub object_freezer_as_string {	1006	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1007	my ($rdata, $objs) = @_;
…		…
808		1013
809	sub object_thawer_load {	1014	sub object_thawer_load {
810	my ($filename) = @_;	1015	my ($filename) = @_;
811		1016
812	my ($data, $av);	1017	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1018
817	(aio_load $filename, $data) >= 0	1019	(aio_load $filename, $data) >= 0
818	or return;	1020	or return;
819		1021
820	unless (aio_stat "$filename.pst") {	1022	unless (aio_stat "$filename.pst") {
…		…
822	or return;	1024	or return;
823	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
824	}	1026	}
825		1027
826	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1029	$filename, length $data, scalar @{$av || []};
828	return ($data, $av);	1030	return ($data, $av);
829	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
830		1038
831	#############################################################################	1039	#############################################################################
832	# command handling &c	1040	# command handling &c
833		1041
834	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1056	}
849		1057
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1059
852	Register a callbackf ro execution when the client sends an extcmd packet.	1060	Register a callback for execution when the client sends an (synchronous)
		1061	extcmd packet. Ext commands will be processed in the order they are
		1062	received by the server, like other user commands. The first argument is
		1063	the logged-in player. Ext commands can only be processed after a player
		1064	has logged in successfully.
853		1065
854	If the callback returns something, it is sent back as if reply was being	1066	If the callback returns something, it is sent back as if reply was being
855	called.	1067	called.
856		1068
		1069	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1070
		1071	Register a callback for execution when the client sends an (asynchronous)
		1072	exticmd packet. Exti commands are processed by the server as soon as they
		1073	are received, i.e. out of order w.r.t. other commands. The first argument
		1074	is a client socket. Exti commands can be received anytime, even before
		1075	log-in.
		1076
		1077	If the callback returns something, it is sent back as if reply was being
		1078	called.
		1079
857	=cut	1080	=cut
858		1081
859	sub register_extcmd {	1082	sub register_extcmd {
860	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
861		1084
862	$EXTCMD{$name} = $cb;	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
863	}	1092	}
864		1093
865	cf::player->attach (	1094	cf::player->attach (
866	on_command => sub {	1095	on_command => sub {
867	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1105	cf::override;
877	},	1106	},
878	on_extcmd => sub {	1107	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
880		1109
881	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1111
883	if (ref $msg) {	1112	if (ref $msg) {
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
885	if (my %reply = $cb->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
886	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
892		1121
893	cf::override;	1122	cf::override;
894	},	1123	},
895	);	1124	);
896		1125
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
932	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1131	next unless -r $path;
934	eval {	1132
935	load_extension $ext;	1133	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1134	my $base = $1;
		1135	my $pkg = $1;
		1136	$pkg =~ s/[^[:word:]]/_/g;
		1137	$pkg = "ext::$pkg";
		1138
		1139	open my $fh, "<:utf8", $path
		1140	or die "$path: $!";
		1141
		1142	my $source = do { local $/; <$fh> };
		1143
		1144	my %ext = (
		1145	path => $path,
		1146	base => $base,
		1147	pkg => $pkg,
		1148	);
		1149
		1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1152
		1153	$ext{source} =
		1154	"package $pkg; use strict; use utf8;\n"
		1155	. "#line 1 \"$path\"\n{\n"
		1156	. $source
		1157	. "\n};\n1";
		1158
		1159	$todo{$base} = \%ext;
		1160	}
		1161
		1162	my %done;
		1163	while (%todo) {
		1164	my $progress;
		1165
		1166	while (my ($k, $v) = each %todo) {
		1167	for (split /,\s*/, $v->{meta}{depends}) {
		1168	goto skip
		1169	unless exists $done{$_};
		1170	}
		1171
		1172	warn "... loading '$k' into '$v->{pkg}'\n";
		1173
		1174	unless (eval $v->{source}) {
		1175	my $msg = $@ ? "$v->{path}: $@\n"
		1176	: "$v->{base}: extension inactive.\n";
		1177
		1178	if (exists $v->{meta}{mandatory}) {
		1179	warn $msg;
		1180	warn "mandatory extension failed to load, exiting.\n";
		1181	exit 1;
		1182	}
		1183
		1184	warn $msg;
		1185	}
		1186
		1187	$done{$k} = delete $todo{$k};
		1188	push @EXTS, $v->{pkg};
		1189	$progress = 1;
936	1	1190	}
937	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
938	}	1196	};
939	}	1197	}
940		1198
941	#############################################################################	1199	#############################################################################
942		1200
		1201	=back
		1202
943	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
944		1204
945	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
946		1206
947	=cut	1207	=cut
…		…
959	Returns the given player object, loading it if necessary (might block).	1219	Returns the given player object, loading it if necessary (might block).
960		1220
961	=cut	1221	=cut
962		1222
963	sub playerdir($) {	1223	sub playerdir($) {
964	cf::localdir	1224	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1225	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1226	}
970		1227
971	sub path($) {	1228	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1229	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1230
974	(playerdir $login) . "/$login.pl"	1231	(playerdir $login) . "/playerdata"
975	}	1232	}
976		1233
977	sub find_active($) {	1234	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1235	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1236	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1249	my $login = $_[0];
993		1250
994	my $guard = cf::lock_acquire "user_find:$login";	1251	my $guard = cf::lock_acquire "user_find:$login";
995		1252
996	$cf::PLAYER{$_[0]} || do {	1253	$cf::PLAYER{$_[0]} || do {
		1254	# rename old playerfiles to new ones
		1255	#TODO: remove when no longer required
		1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1259	aio_unlink +(playerdir $login) . "/$login.pl";
		1260
997	my $pl = load_pl path $login	1261	my $pl = load_pl path $login
998	or return;	1262	or return;
999	$cf::PLAYER{$login} = $pl	1263	$cf::PLAYER{$login} = $pl
1000	}	1264	}
1001	}	1265	}
…		…
1038		1302
1039	=cut	1303	=cut
1040		1304
1041	sub quit_character {	1305	sub quit_character {
1042	my ($pl) = @_;	1306	my ($pl) = @_;
		1307
		1308	my $name = $pl->ob->name;
1043		1309
1044	$pl->{deny_save} = 1;	1310	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1311	$pl->password ("*"); # this should lock out the player until we nuked the dir
1046		1312
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1318	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1319	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1320	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1321	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1322	$pl->destroy;
		1323
		1324	my $prefix = qr<^~\Q$name\E/>;
		1325
		1326	# nuke player maps
		1327	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1328
1057	IO::AIO::aio_rmtree $temp;	1329	IO::AIO::aio_rmtree $temp;
		1330	}
		1331
		1332	=item $pl->kick
		1333
		1334	Kicks a player out of the game. This destroys the connection.
		1335
		1336	=cut
		1337
		1338	sub kick {
		1339	my ($pl, $kicker) = @_;
		1340
		1341	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1342	$pl->killer ("kicked");
		1343	$pl->ns->destroy;
1058	}	1344	}
1059		1345
1060	=item cf::player::list_logins	1346	=item cf::player::list_logins
1061		1347
1062	Returns am arrayref of all valid playernames in the system, can take a	1348	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1349	while and may block, so not sync_job-capable, ever.
1064		1350
1065	=cut	1351	=cut
1066		1352
1067	sub list_logins {	1353	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1354	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1355	or return [];
1070		1356
1071	my @logins;	1357	my @logins;
1072		1358
1073	for my $login (@$dirs) {	1359	for my $login (@$dirs) {
…		…
1108	}	1394	}
1109		1395
1110	\@paths	1396	\@paths
1111	}	1397	}
1112		1398
		1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1400
		1401	Expand crossfire pod fragments into protocol xml.
		1402
		1403	=cut
		1404
		1405	sub expand_cfpod {
		1406	((my $self), (local $_)) = @_;
		1407
		1408	# escape & and <
		1409	s/&/&amp;/g;
		1410	s/(?<![BIUGH])</&lt;/g;
		1411
		1412	# this is buggy, it needs to properly take care of nested <'s
		1413
		1414	1 while
		1415	# replace B<>, I<>, U<> etc.
		1416	s/B<([^\>]*)>/<b>$1<\/b>/
		1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1419	# replace G<male|female> tags
		1420	|| s{G<([^>|]*)\|([^>]*)>}{
		1421	$self->gender ? $2 : $1
		1422	}ge
		1423	# replace H<hint text>
		1424	|| s{H<([^\>]*)>}
		1425	{
		1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1428	"")
		1429	[$self->{hintmode}]
		1430	}ge;
		1431
		1432	# create single paragraphs (very hackish)
		1433	s/(?<=\S)\n(?=\w)/ /g;
		1434
		1435	# compress some whitespace
		1436	s/\s+\n/\n/g; # ws line-ends
		1437	s/\n\n+/\n/g; # double lines
		1438	s/^\n+//; # beginning lines
		1439	s/\n+$//; # ending lines
		1440
		1441	$_
		1442	}
		1443
		1444	sub hintmode {
		1445	$_[0]{hintmode} = $_[1] if @_ > 1;
		1446	$_[0]{hintmode}
		1447	}
		1448
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1114		1450
1115	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1116		1452
1117	=cut	1453	=cut
1118		1454
1119	sub ext_reply($$$%) {	1455	sub ext_reply($$%) {
1120	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1121		1457
1122	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1123		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1460	}
1126		1461
1127	package cf;	1462	=item $player->ext_event ($type, %msg)
		1463
		1464	Sends an ext event to the client.
		1465
		1466	=cut
		1467
		1468	sub ext_event($$%) {
		1469	my ($self, $type, %msg) = @_;
		1470
		1471	$self->ns->ext_event ($type, %msg);
		1472	}
		1473
		1474	=head3 cf::region
		1475
		1476	=over 4
		1477
		1478	=cut
		1479
		1480	package cf::region;
		1481
		1482	=item cf::region::find_by_path $path
		1483
		1484	Tries to decuce the likely region for a map knowing only its path.
		1485
		1486	=cut
		1487
		1488	sub find_by_path($) {
		1489	my ($path) = @_;
		1490
		1491	my ($match, $specificity);
		1492
		1493	for my $region (list) {
		1494	if ($region->match && $path =~ $region->match) {
		1495	($match, $specificity) = ($region, $region->specificity)
		1496	if $region->specificity > $specificity;
		1497	}
		1498	}
		1499
		1500	$match
		1501	}
1128		1502
1129	=back	1503	=back
1130
1131		1504
1132	=head3 cf::map	1505	=head3 cf::map
1133		1506
1134	=over 4	1507	=over 4
1135		1508
…		…
1190	my ($self, $merge) = @_;	1563	my ($self, $merge) = @_;
1191		1564
1192	# we have to keep some variables in memory intact	1565	# we have to keep some variables in memory intact
1193	local $self->{path};	1566	local $self->{path};
1194	local $self->{load_path};	1567	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1568
1198	$self->SUPER::thawer_merge ($merge);	1569	$self->SUPER::thawer_merge ($merge);
1199	}	1570	}
1200		1571
1201	sub normalise {	1572	sub normalise {
…		…
1273		1644
1274	# the original (read-only) location	1645	# the original (read-only) location
1275	sub load_path {	1646	sub load_path {
1276	my ($self) = @_;	1647	my ($self) = @_;
1277		1648
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1649	"$MAPDIR/$self->{path}.map"
1279	}	1650	}
1280		1651
1281	# the temporary/swap location	1652	# the temporary/swap location
1282	sub save_path {	1653	sub save_path {
1283	my ($self) = @_;	1654	my ($self) = @_;
1284		1655
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1657	"$TMPDIR/$path.map"
1287	}	1658	}
1288		1659
1289	# the unique path, undef == no special unique path	1660	# the unique path, undef == no special unique path
1290	sub uniq_path {	1661	sub uniq_path {
1291	my ($self) = @_;	1662	my ($self) = @_;
1292		1663
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1665	"$UNIQUEDIR/$path"
1295	}	1666	}
1296		1667
1297	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1298	# all maps in C++...	1669	# all maps in C++...
1299	sub change_all_map_light {	1670	sub change_all_map_light {
…		…
1301		1672
1302	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1304	}	1675	}
1305		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
		1683	}
		1684
1306	sub unlink_save {	1685	sub unlink_save {
1307	my ($self) = @_;	1686	my ($self) = @_;
1308		1687
1309	utf8::encode (my $save = $self->save_path);	1688	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1690	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1691	}
1318		1692
1319	sub load_header_from($) {	1693	sub load_header_from($) {
1320	my ($self, $path) = @_;	1694	my ($self, $path) = @_;
1321		1695
…		…
1371	$self->load_header_orig	1745	$self->load_header_orig
1372	or return;	1746	or return;
1373	$self->prepare_orig;	1747	$self->prepare_orig;
1374	}	1748	}
1375		1749
		1750	$self->{deny_reset} = 1
		1751	if $self->no_reset;
		1752
		1753	$self->default_region (cf::region::find_by_path $self->{path})
		1754	unless $self->default_region;
		1755
1376	1	1756	1
1377	}	1757	}
1378		1758
1379	sub find;	1759	sub find;
1380	sub find {	1760	sub find {
…		…
1392	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1393		1773
1394	$map->load_header	1774	$map->load_header
1395	or return;	1775	or return;
1396		1776
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1778	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1779	#$cf::WAIT_FOR_TICK->wait;
1400	$map->reset;	1780	$map->reset;
1401	undef $guard;	1781	undef $guard;
1402	return find $path;	1782	return find $path;
…		…
1413	my ($self) = @_;	1793	my ($self) = @_;
1414		1794
1415	local $self->{deny_reset} = 1; # loading can take a long time	1795	local $self->{deny_reset} = 1; # loading can take a long time
1416		1796
1417	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1800	my $guard = cf::lock_acquire "map_load:$path";
1419		1801
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1421		1803
1422	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1423		1805
1424	$self->alloc;	1806	$self->alloc;
1425		1807
1426	$self->pre_load;	1808	$self->pre_load;
1427
1428	$self->_load_objects ($self->{load_path}, 1)
1429	or return;
1430
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};
1433
1434	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {
1437	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);
1439	}
1440	}
1441
1442	Coro::cede;
1443
1444	# now do the right thing for maps
1445	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;	1809	Coro::cede;
1452	$self->set_darkness_map;	1810
		1811	$self->_load_objects ($self->{load_path}, 1)
		1812	or return;
		1813
		1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1815	if delete $self->{load_original};
		1816
		1817	if (my $uniq = $self->uniq_path) {
		1818	utf8::encode $uniq;
		1819	if (aio_open $uniq, O_RDONLY, 0) {
		1820	$self->clear_unique_items;
		1821	$self->_load_objects ($uniq, 0);
		1822	}
		1823	}
		1824
		1825	Coro::cede;
		1826	# now do the right thing for maps
		1827	$self->link_multipart_objects;
1453	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1829	unless $self->difficulty;
1455	Coro::cede;	1830	Coro::cede;
		1831
		1832	unless ($self->{deny_activate}) {
		1833	$self->decay_objects;
		1834	$self->fix_auto_apply;
		1835	$self->update_buttons;
		1836	Coro::cede;
		1837	$self->set_darkness_map;
		1838	Coro::cede;
1456	$self->activate;	1839	$self->activate;
		1840	}
		1841
		1842	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1843	}
1458		1844
1459	$self->post_load;	1845	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1846	}
1463		1847
1464	sub customise_for {	1848	sub customise_for {
1465	my ($self, $ob) = @_;	1849	my ($self, $ob) = @_;
1466		1850
1467	return find "~" . $ob->name . "/" . $self->{path}	1851	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
1469		1856
1470	$self	1857	$self
1471	}	1858	}
1472		1859
1473	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
…		…
1584		1971
1585	sub reset_at {	1972	sub reset_at {
1586	my ($self) = @_;	1973	my ($self) = @_;
1587		1974
1588	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1591		1977
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		1980
…		…
1605	my ($self) = @_;	1991	my ($self) = @_;
1606		1992
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		1994
1609	return if $self->players;	1995	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		1996
1612	warn "resetting map ", $self->path;#d#	1997	warn "resetting map ", $self->path;
1613		1998
1614	$self->in_memory (cf::MAP_SWAPPED);	1999	$self->in_memory (cf::MAP_SWAPPED);
1615		2000
1616	# need to save uniques path	2001	# need to save uniques path
1617	unless ($self->{deny_save}) {	2002	unless ($self->{deny_save}) {
…		…
1649	$cf::MAP{$self->path} = $self;	2034	$cf::MAP{$self->path} = $self;
1650		2035
1651	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1652	}	2037	}
1653		2038
		2039	=item $maps = cf::map::tmp_maps
		2040
		2041	Returns an arrayref with all map paths of currently instantiated and saved
		2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
		2047	[
		2048	map {
		2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
		2055	}
		2056
		2057	=item $maps = cf::map::random_maps
		2058
		2059	Returns an arrayref with all map paths of currently instantiated and saved
		2060	random maps. May block.
		2061
		2062	=cut
		2063
		2064	sub random_maps() {
		2065	[
		2066	map {
		2067	utf8::decode $_;
		2068	/\.map$/
		2069	? normalise "?random/$_"
		2070	: ()
		2071	} @{ aio_readdir $RANDOMDIR or [] }
		2072	]
		2073	}
		2074
1654	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1655		2076
1656	Returns an arrayref of paths of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2078	instantiated unique items. May block.
1658		2079
1659	=cut	2080	=cut
1660		2081
1661	sub unique_maps() {	2082	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2083	[
1663	or return;	2084	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2085	utf8::decode $_;
1669	next if /\.pst$/;	2086	/\.map$/
1670	next unless /^$PATH_SEP/o;	2087	? normalise $_
1671		2088	: ()
1672	push @paths, cf::map::normalise $_;	2089	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2090	]
1674
1675	\@paths
1676	}	2091	}
1677		2092
1678	package cf;	2093	package cf;
1679		2094
1680	=back	2095	=back
…		…
1726		2141
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2143
1729	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1731	} else {	2147	} else {
		2148	my $pl = $self->contr;
		2149
		2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2151	my $diag = $pl->{npc_dialog};
		2152	$diag->{pl}->ext_reply (
		2153	$diag->{id},
		2154	msgtype => "reply",
		2155	msg => $diag->{pl}->expand_cfpod ($msg),
		2156	add_topics => []
		2157	);
		2158
		2159	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1734	}	2163	}
1735	}	2164	}
1736		2165
1737	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1738		2167
…		…
1786	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1787		2216
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2218
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1792		2221
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2223	}
1795		2224
1796	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1798		2229
1799	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1800		2231
1801	unless ($map) {	2232	unless ($map) {
1802	# restore original map position	2233	# restore original map position
…		…
1820	$map->load;	2251	$map->load;
1821	$map->load_diag;	2252	$map->load_diag;
1822		2253
1823	return unless $self->contr->active;	2254	return unless $self->contr->active;
1824	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1826	}	2259	}
1827		2260
1828	cf::player->attach (
1829	on_logout => sub {
1830	my ($pl) = @_;
1831
1832	# abort map switching before logout
1833	if ($pl->ob->{_link_pos}) {
1834	cf::sync_job {
1835	$pl->ob->leave_link
1836	};
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841
1842	# try to abort aborted map switching on player login :)
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859
1860	=item $player_object->goto ($path, $x, $y)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1861		2262
		2263	Moves the player to the given map-path and coordinates by first freezing
		2264	her, loading and preparing them map, calling the provided $check callback
		2265	that has to return the map if sucecssful, and then unfreezes the player on
		2266	the new (success) or old (failed) map position.
		2267
1862	=cut	2268	=cut
		2269
		2270	our $GOTOGEN;
1863		2271
1864	sub cf::object::player::goto {	2272	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2273	my ($self, $path, $x, $y, $check) = @_;
		2274
		2275	# do generation counting so two concurrent goto's will be executed in-order
		2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2277
1867	$self->enter_link;	2278	$self->enter_link;
1868		2279
1869	(async {	2280	(async {
1870	my $map = eval {	2281	my $map = eval {
1871	my $map = cf::map::find $path;	2282	my $map = cf::map::find $path;
		2283
		2284	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2285	$map = $map->customise_for ($self);
		2286	$map = $check->($map) if $check && $map;
		2287	} else {
		2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2289	}
		2290
1873	$map	2291	$map
		2292	};
		2293
		2294	if ($@) {
		2295	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2297	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2298
		2299	if ($gen == $self->{_goto_generation}) {
		2300	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2301	$self->leave_link ($map, $x, $y);
		2302	}
1878	})->prio (1);	2303	})->prio (1);
1879	}	2304	}
1880		2305
1881	=item $player_object->enter_exit ($exit_object)	2306	=item $player_object->enter_exit ($exit_object)
1882		2307
…		…
1921		2346
1922	$rmp->{random_seed} ||= $exit->random_seed;	2347	$rmp->{random_seed} ||= $exit->random_seed;
1923		2348
1924	my $data = cf::to_json $rmp;	2349	my $data = cf::to_json $rmp;
1925	my $md5 = Digest::MD5::md5_hex $data;	2350	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2351	my $meta = "$RANDOMDIR/$md5.meta";
1927		2352
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2354	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2355	undef $fh;
1931	aio_rename "$meta~", $meta;	2356	aio_rename "$meta~", $meta;
…		…
1940		2365
1941	return unless $self->type == cf::PLAYER;	2366	return unless $self->type == cf::PLAYER;
1942		2367
1943	if ($exit->slaying eq "/!") {	2368	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job	2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2370	# the problem is that $exit might not survive long enough
		2371	# so it needs to be done right now, right here
1945	cf::sync_job { prepare_random_map $exit };	2372	cf::sync_job { prepare_random_map $exit };
1946	}	2373	}
1947		2374
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;	2376	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;	2377	my $sp = $exit->stats->sp;
1951		2378
1952	$self->enter_link;	2379	$self->enter_link;
		2380
		2381	# if exit is damned, update players death & WoR home-position
		2382	$self->contr->savebed ($slaying, $hp, $sp)
		2383	if $exit->flag (FLAG_DAMNED);
1953		2384
1954	(async {	2385	(async {
1955	$self->deactivate_recursive; # just to be sure	2386	$self->deactivate_recursive; # just to be sure
1956	unless (eval {	2387	unless (eval {
1957	$self->goto ($slaying, $hp, $sp);	2388	$self->goto ($slaying, $hp, $sp);
1958		2389
1959	1;	2390	1;
1960	}) {	2391	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2392	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "I'll try to bring you back to the map you were before. "	2393	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2394	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2395	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2396
1966	warn "ERROR in enter_exit: $@";	2397	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2398	$self->leave_link;
1968	}	2399	}
1969	})->prio (1);	2400	})->prio (1);
…		…
1982		2413
1983	sub cf::client::send_drawinfo {	2414	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2415	my ($self, $text, $flags) = @_;
1985		2416
1986	utf8::encode $text;	2417	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2419	}
1989		2420
		2421	=item $client->send_msg ($color, $type, $msg, [extra...])
		2422
		2423	Send a drawinfo or msg packet to the client, formatting the msg for the
		2424	client if neccessary. C<$type> should be a string identifying the type of
		2425	the message, with C<log> being the default. If C<$color> is negative, suppress
		2426	the message unless the client supports the msg packet.
		2427
		2428	=cut
		2429
		2430	sub cf::client::send_msg {
		2431	my ($self, $color, $type, $msg, @extra) = @_;
		2432
		2433	$msg = $self->pl->expand_cfpod ($msg);
		2434
		2435	return unless @extra || length $msg;
		2436
		2437	if ($self->can_msg) {
		2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2439	} else {
		2440	# replace some tags by gcfclient-compatible ones
		2441	for ($msg) {
		2442	1 while
		2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2448	}
		2449
		2450	if ($color >= 0) {
		2451	if (0 && $msg =~ /\[/) {
		2452	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2453	} else {
		2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2455	$self->send_packet ("drawinfo $color $msg")
		2456	}
		2457	}
		2458	}
		2459	}
		2460
		2461	=item $client->ext_event ($type, %msg)
		2462
		2463	Sends an ext event to the client.
		2464
		2465	=cut
		2466
		2467	sub cf::client::ext_event($$%) {
		2468	my ($self, $type, %msg) = @_;
		2469
		2470	$msg{msgtype} = "event_$type";
		2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2472	}
1990		2473
1991	=item $success = $client->query ($flags, "text", \&cb)	2474	=item $success = $client->query ($flags, "text", \&cb)
1992		2475
1993	Queues a query to the client, calling the given callback with	2476	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2477	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2478	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2479
1997	Queries can fail, so check the return code. Or don't, as queries will become	2480	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2481	become reliable at some point in the future.
1999		2482
2000	=cut	2483	=cut
2001		2484
2002	sub cf::client::query {	2485	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2486	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2494	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2495	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2496
2014	$self->send_packet ($self->{query_queue}[0][0])	2497	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2498	if @{ $self->{query_queue} } == 1;
		2499
		2500	1
2016	}	2501	}
2017		2502
2018	cf::client->attach (	2503	cf::client->attach (
		2504	on_connect => sub {
		2505	my ($ns) = @_;
		2506
		2507	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2508	},
2019	on_reply => sub {	2509	on_reply => sub {
2020	my ($ns, $msg) = @_;	2510	my ($ns, $msg) = @_;
2021		2511
2022	# this weird shuffling is so that direct followup queries	2512	# this weird shuffling is so that direct followup queries
2023	# get handled first	2513	# get handled first
…		…
2035	} else {	2525	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2526	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2527	}
2038	}	2528	}
2039	},	2529	},
		2530	on_exticmd => sub {
		2531	my ($ns, $buf) = @_;
		2532
		2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2534
		2535	if (ref $msg) {
		2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2537	if (my %reply = $cb->($ns, $msg)) {
		2538	$reply{msgid} = $msg->{msgid};
		2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2540	}
		2541	}
		2542	} else {
		2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2544	}
		2545
		2546	cf::override;
		2547	},
2040	);	2548	);
2041		2549
2042	=item $client->async (\&cb)	2550	=item $client->async (\&cb)
2043		2551
2044	Create a new coroutine, running the specified callback. The coroutine will	2552	Create a new coroutine, running the specified callback. The coroutine will
…		…
2091		2599
2092	# here we export the classes and methods available to script code	2600	# here we export the classes and methods available to script code
2093		2601
2094	=pod	2602	=pod
2095		2603
2096	The following fucntions and emthods are available within a safe environment:	2604	The following functions and methods are available within a safe environment:
2097		2605
2098	cf::object contr pay_amount pay_player map	2606	cf::object
		2607	contr pay_amount pay_player map x y force_find force_add
		2608	insert remove
		2609
2099	cf::object::player player	2610	cf::object::player
2100	cf::player peaceful	2611	player
2101	cf::map trigger	2612
		2613	cf::player
		2614	peaceful
		2615
		2616	cf::map
		2617	trigger
2102		2618
2103	=cut	2619	=cut
2104		2620
2105	for (	2621	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2623	insert remove)],
2107	["cf::object::player" => qw(player)],	2624	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	2625	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	2626	["cf::map" => qw(trigger)],
2110	) {	2627	) {
2111	no strict 'refs';	2628	no strict 'refs';
…		…
2182	=back	2699	=back
2183		2700
2184	=cut	2701	=cut
2185		2702
2186	#############################################################################	2703	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	2704	# the server's init and main functions
2260		2705
2261	sub load_resources {	2706	sub load_facedata($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2707	my ($path) = @_;
		2708
		2709	warn "loading facedata from $path\n";
		2710
		2711	my $facedata;
		2712	0 < aio_load $path, $facedata
		2713	or die "$path: $!";
		2714
		2715	$facedata = Coro::Storable::thaw $facedata;
		2716
		2717	$facedata->{version} == 2
		2718	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2719
		2720	{
		2721	my $faces = $facedata->{faceinfo};
		2722
		2723	while (my ($face, $info) = each %$faces) {
		2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2725	cf::face::set_visibility $idx, $info->{visibility};
		2726	cf::face::set_magicmap $idx, $info->{magicmap};
		2727	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2728	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2729
		2730	cf::cede_to_tick;
		2731	}
		2732
		2733	while (my ($face, $info) = each %$faces) {
		2734	next unless $info->{smooth};
		2735	my $idx = cf::face::find $face
		2736	or next;
		2737	if (my $smooth = cf::face::find $info->{smooth}) {
		2738	cf::face::set_smooth $idx, $smooth;
		2739	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2740	} else {
		2741	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2742	}
		2743
		2744	cf::cede_to_tick;
		2745	}
		2746	}
		2747
		2748	{
		2749	my $anims = $facedata->{animinfo};
		2750
		2751	while (my ($anim, $info) = each %$anims) {
		2752	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2753	cf::cede_to_tick;
		2754	}
		2755
		2756	cf::anim::invalidate_all; # d'oh
		2757	}
		2758
		2759	{
		2760	# TODO: for gcfclient pleasure, we should give resources
		2761	# that gcfclient doesn't grok a >10000 face index.
		2762	my $res = $facedata->{resource};
		2763	my $enc = JSON::XS->new->utf8->canonical;
		2764
		2765	while (my ($name, $info) = each %$res) {
		2766	my $meta = $enc->encode ({
		2767	name => $name,
		2768	type => $info->{type},
		2769	copyright => $info->{copyright},
		2770	});
		2771	my $data = pack "(w/a*)*", $meta, $info->{data};
		2772	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2773
		2774	use Data::Dumper; warn Dumper substr $data, 0, 100;#d#
		2775
		2776	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2777	cf::face::set_type $idx, 1;
		2778	cf::face::set_data $idx, 0, $data, $chk;
		2779
		2780	# TODO
		2781	cf::cede_to_tick;
		2782	}
		2783	}
		2784
		2785	1
		2786	}
		2787
		2788	sub reload_regions {
		2789	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	2790	or die "unable to load regions file\n";
		2791	}
		2792
		2793	sub reload_facedata {
		2794	load_facedata "$DATADIR/facedata"
		2795	or die "unable to load facedata\n";
		2796	}
		2797
		2798	sub reload_archetypes {
		2799	load_resource_file "$DATADIR/archetypes"
		2800	or die "unable to load archetypes\n";
		2801	#d# NEED to laod twice to resolve forward references
		2802	# this really needs to be done in an extra post-pass
		2803	# (which needs to be synchronous, so solve it differently)
		2804	load_resource_file "$DATADIR/archetypes"
		2805	or die "unable to load archetypes\n";
		2806	}
		2807
		2808	sub reload_treasures {
		2809	load_resource_file "$DATADIR/treasures"
		2810	or die "unable to load treasurelists\n";
		2811	}
		2812
		2813	sub reload_resources {
		2814	warn "reloading resource files...\n";
		2815
		2816	reload_regions;
		2817	reload_facedata;
		2818	#reload_archetypes;#d#
		2819	reload_archetypes;
		2820	reload_treasures;
		2821
		2822	warn "finished reloading resource files\n";
		2823	}
		2824
		2825	sub init {
		2826	reload_resources;
2264	}	2827	}
2265		2828
2266	sub cfg_load {	2829	sub cfg_load {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	2830	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	2831	or return;
2269		2832
2270	local $/;	2833	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	2834	*CFG = YAML::Syck::Load <$fh>;
2272		2835
…		…
2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2843	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281	and die "WARNING: m(un)lockall failed: $!\n";	2844	and die "WARNING: m(un)lockall failed: $!\n";
2282	};	2845	};
2283	warn $@ if $@;	2846	warn $@ if $@;
2284	}	2847	}
2285	}
2286
2287	sub init {
2288	load_resources;
2289	}	2848	}
2290		2849
2291	sub main {	2850	sub main {
2292	# we must not ever block the main coroutine	2851	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	2852	local $Coro::idle = sub {
…		…
2321	},	2880	},
2322	);	2881	);
2323	}	2882	}
2324	}	2883	}
2325		2884
		2885	sub write_runtime {
		2886	my $runtime = "$LOCALDIR/runtime";
		2887
		2888	# first touch the runtime file to show we are still running:
		2889	# the fsync below can take a very very long time.
		2890
		2891	IO::AIO::aio_utime $runtime, undef, undef;
		2892
		2893	my $guard = cf::lock_acquire "write_runtime";
		2894
		2895	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2896	or return;
		2897
		2898	my $value = $cf::RUNTIME + 90 + 10;
		2899	# 10 is the runtime save interval, for a monotonic clock
		2900	# 60 allows for the watchdog to kill the server.
		2901
		2902	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2903	and return;
		2904
		2905	# always fsync - this file is important
		2906	aio_fsync $fh
		2907	and return;
		2908
		2909	# touch it again to show we are up-to-date
		2910	aio_utime $fh, undef, undef;
		2911
		2912	close $fh
		2913	or return;
		2914
		2915	aio_rename "$runtime~", $runtime
		2916	and return;
		2917
		2918	warn "runtime file written.\n";
		2919
		2920	1
		2921	}
		2922
2326	sub emergency_save() {	2923	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	2924	my $freeze_guard = cf::freeze_mainloop;
2328		2925
2329	warn "enter emergency perl save\n";	2926	warn "enter emergency perl save\n";
2330		2927
…		…
2361		2958
2362	warn Carp::longmess "post_cleanup backtrace"	2959	warn Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	2960	if $make_core;
2364	}	2961	}
2365		2962
2366	sub reload() {	2963	sub do_reload_perl() {
2367	# can/must only be called in main	2964	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	2965	if ($Coro::current != $Coro::main) {
2369	warn "can only reload from main coroutine";	2966	warn "can only reload from main coroutine";
2370	return;	2967	return;
2371	}	2968	}
2372		2969
2373	warn "reloading...";	2970	warn "reloading...";
2374		2971
2375	warn "entering sync_job";	2972	warn "entering sync_job";
2376		2973
2377	sync_job {	2974	cf::sync_job {
2378	write_runtime;	2975	cf::write_runtime; # external watchdog should not bark
2379	cf::emergency_save;	2976	cf::emergency_save;
2380	write_runtime;	2977	cf::write_runtime; # external watchdog should not bark
2381		2978
2382	warn "syncing database to disk";	2979	warn "syncing database to disk";
2383	BDB::db_env_txn_checkpoint $DB_ENV;	2980	BDB::db_env_txn_checkpoint $DB_ENV;
2384		2981
2385	# if anything goes wrong in here, we should simply crash as we already saved	2982	# if anything goes wrong in here, we should simply crash as we already saved
…		…
2396	Coro::cede;	2993	Coro::cede;
2397	last unless IO::AIO::nreqs || BDB::nreqs;	2994	last unless IO::AIO::nreqs || BDB::nreqs;
2398	warn "iterate...";	2995	warn "iterate...";
2399	}	2996	}
2400		2997
		2998	++$RELOAD;
		2999
2401	warn "cancelling all extension coros";	3000	warn "cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;	3001	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();	3002	%EXT_CORO = ();
2404		3003
2405	warn "removing commands";	3004	warn "removing commands";
2406	%COMMAND = ();	3005	%COMMAND = ();
2407		3006
2408	warn "removing ext commands";	3007	warn "removing ext/exti commands";
2409	%EXTCMD = ();	3008	%EXTCMD = ();
		3009	%EXTICMD = ();
2410		3010
2411	warn "unloading/nuking all extensions";	3011	warn "unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {	3012	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";	3013	warn "... unloading $pkg";
2414		3014
…		…
2444	Symbol::delete_package "safe::$_"	3044	Symbol::delete_package "safe::$_"
2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3045	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446		3046
2447	warn "unloading cf.pm \"a bit\"";	3047	warn "unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	3048	delete $INC{"cf.pm"};
		3049	delete $INC{"cf/pod.pm"};
2449		3050
2450	# don't, removes xs symbols, too,	3051	# don't, removes xs symbols, too,
2451	# and global variables created in xs	3052	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	3053	#Symbol::delete_package __PACKAGE__;
2453		3054
…		…
2462		3063
2463	warn "loading extensions";	3064	warn "loading extensions";
2464	cf::load_extensions;	3065	cf::load_extensions;
2465		3066
2466	warn "reattaching attachments to objects/players";	3067	warn "reattaching attachments to objects/players";
2467	_global_reattach;	3068	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	3069	warn "reattaching attachments to maps";
2469	reattach $_ for values %MAP;	3070	reattach $_ for values %MAP;
2470		3071	warn "reattaching attachments to players";
2471	warn "loading reloadable resources";	3072	reattach $_ for values %PLAYER;
2472	load_resources;
2473		3073
2474	warn "leaving sync_job";	3074	warn "leaving sync_job";
2475		3075
2476	1	3076	1
2477	} or do {	3077	} or do {
…		…
2483	warn "reloaded";	3083	warn "reloaded";
2484	};	3084	};
2485		3085
2486	our $RELOAD_WATCHER; # used only during reload	3086	our $RELOAD_WATCHER; # used only during reload
2487		3087
		3088	sub reload_perl() {
		3089	# doing reload synchronously and two reloads happen back-to-back,
		3090	# coro crashes during coro_state_free->destroy here.
		3091
		3092	$RELOAD_WATCHER ||= Event->timer (
		3093	reentrant => 0,
		3094	after => 0,
		3095	data => WF_AUTOCANCEL,
		3096	cb => sub {
		3097	do_reload_perl;
		3098	undef $RELOAD_WATCHER;
		3099	},
		3100	);
		3101	}
		3102
2488	register_command "reload" => sub {	3103	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	3104	my ($who, $arg) = @_;
2490		3105
2491	if ($who->flag (FLAG_WIZ)) {	3106	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	3107	$who->message ("reloading server.");
2493		3108	async { reload_perl };
2494	# doing reload synchronously and two reloads happen back-to-back,
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);
2506	}	3109	}
2507	};	3110	};
2508		3111
2509	unshift @INC, $LIBDIR;	3112	unshift @INC, $LIBDIR;
2510		3113
2511	my $bug_warning = 0;	3114	my $bug_warning = 0;
2512		3115
		3116	our @WAIT_FOR_TICK;
		3117	our @WAIT_FOR_TICK_BEGIN;
		3118
		3119	sub wait_for_tick {
		3120	return unless $TICK_WATCHER->is_active;
		3121	return if $Coro::current == $Coro::main;
		3122
		3123	my $signal = new Coro::Signal;
		3124	push @WAIT_FOR_TICK, $signal;
		3125	$signal->wait;
		3126	}
		3127
		3128	sub wait_for_tick_begin {
		3129	return unless $TICK_WATCHER->is_active;
		3130	return if $Coro::current == $Coro::main;
		3131
		3132	my $signal = new Coro::Signal;
		3133	push @WAIT_FOR_TICK_BEGIN, $signal;
		3134	$signal->wait;
		3135	}
		3136
		3137	my $min = 1e6;#d#
		3138	my $avg = 10;
2513	$TICK_WATCHER = Event->timer (	3139	$TICK_WATCHER = Event->timer (
2514	reentrant => 0,	3140	reentrant => 0,
2515	parked => 1,	3141	parked => 1,
2516	prio => 0,	3142	prio => 0,
2517	at => $NEXT_TICK || $TICK,	3143	at => $NEXT_TICK || $TICK,
…		…
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3147	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	3148	unless ++$bug_warning > 10;
2523	return;	3149	return;
2524	}	3150	}
2525		3151
2526	$NOW = Event::time;	3152	$NOW = $tick_start = Event::time;
2527		3153
2528	cf::server_tick; # one server iteration	3154	cf::server_tick; # one server iteration
		3155
		3156	0 && sync_job {#d#
		3157	for(1..10) {
		3158	my $t = Event::time;
		3159	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3160	or die;
		3161
		3162	$map->width (50);
		3163	$map->height (50);
		3164	$map->alloc;
		3165	$map->_load_objects ("/tmp/x.map", 1);
		3166	my $t = Event::time - $t;
		3167
		3168	#next unless $t < 0.0013;#d#
		3169	if ($t < $min) {
		3170	$min = $t;
		3171	}
		3172	$avg = $avg * 0.99 + $t * 0.01;
		3173	}
		3174	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3175	exit 0;
		3176	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3177	};
		3178
2529	$RUNTIME += $TICK;	3179	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;	3180	$NEXT_TICK += $TICK;
2531		3181
2532	$WAIT_FOR_TICK->broadcast;	3182	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3183	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3184	Coro::async_pool {
		3185	write_runtime
		3186	or warn "ERROR: unable to write runtime file: $!";
		3187	};
		3188	}
2534		3189
2535	# my $AFTER = Event::time;	3190	# my $AFTER = Event::time;
2536	# warn $AFTER - $NOW;#d#	3191	# warn $AFTER - $NOW;#d#
2537		3192
		3193	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3194	$sig->send;
		3195	}
		3196	while (my $sig = shift @WAIT_FOR_TICK) {
		3197	$sig->send;
		3198	}
		3199
		3200	$NOW = Event::time;
		3201
2538	# if we are delayed by four ticks or more, skip them all	3202	# if we are delayed by four ticks or more, skip them all
2539	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3203	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2540		3204
2541	$TICK_WATCHER->at ($NEXT_TICK);	3205	$TICK_WATCHER->at ($NEXT_TICK);
2542	$TICK_WATCHER->start;	3206	$TICK_WATCHER->start;
		3207
		3208	$LOAD = ($NOW - $tick_start) / $TICK;
		3209	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3210
		3211	_post_tick;
		3212
		3213
2543	},	3214	},
2544	);	3215	);
2545		3216
2546	{	3217	{
2547	BDB::max_poll_time $TICK * 0.1;	3218	BDB::max_poll_time $TICK * 0.1;
…		…
2575		3246
2576	cf::sync_job {	3247	cf::sync_job {
2577	eval {	3248	eval {
2578	BDB::db_env_open	3249	BDB::db_env_open
2579	$DB_ENV,	3250	$DB_ENV,
2580	$BDB_ENV_DIR,	3251	$BDBDIR,
2581	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3252	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2582	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3253	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2583	0666;	3254	0666;
2584		3255
2585	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3256	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2586		3257
2587	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3258	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2588	$DB_ENV->set_lk_detect;	3259	$DB_ENV->set_lk_detect;
2589	};	3260	};
2590		3261
…		…
2598		3269
2599	undef $Coro::AIO::WATCHER;	3270	undef $Coro::AIO::WATCHER;
2600	IO::AIO::max_poll_time $TICK * 0.1;	3271	IO::AIO::max_poll_time $TICK * 0.1;
2601	$AIO_POLL_WATCHER = Event->io (	3272	$AIO_POLL_WATCHER = Event->io (
2602	reentrant => 0,	3273	reentrant => 0,
		3274	data => WF_AUTOCANCEL,
2603	fd => IO::AIO::poll_fileno,	3275	fd => IO::AIO::poll_fileno,
2604	poll => 'r',	3276	poll => 'r',
2605	prio => 6,	3277	prio => 6,
2606	data => WF_AUTOCANCEL,
2607	cb => \&IO::AIO::poll_cb,	3278	cb => \&IO::AIO::poll_cb,
2608	);	3279	);
2609	}	3280	}
2610		3281
2611	$WRITE_RUNTIME_WATCHER = Event->timer (	3282	my $_log_backtrace;
2612	reentrant => 0,
2613	data => WF_AUTOCANCEL,
2614	parked => 1,
2615	after => 1,
2616	interval => 10,
2617	prio => 6, # keep it lowest so it acts like a watchdog
2618	cb => sub {
2619	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2620		3283
2621	Coro::async_pool {	3284	sub _log_backtrace {
2622	write_runtime	3285	my ($msg, @addr) = @_;
2623	or warn "ERROR: unable to write runtime file: $!";	3286
		3287	$msg =~ s/\n//;
		3288
		3289	# limit the # of concurrent backtraces
		3290	if ($_log_backtrace < 2) {
		3291	++$_log_backtrace;
		3292	async {
		3293	my @bt = fork_call {
		3294	@addr = map { sprintf "%x", $_ } @addr;
		3295	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3296	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3297	or die "addr2line: $!";
		3298
		3299	my @funcs;
		3300	my @res = <$fh>;
		3301	chomp for @res;
		3302	while (@res) {
		3303	my ($func, $line) = splice @res, 0, 2, ();
		3304	push @funcs, "[$func] $line";
		3305	}
		3306
		3307	@funcs
		3308	};
		3309
		3310	LOG llevInfo, "[ABT] $msg\n";
		3311	LOG llevInfo, "[ABT] $_\n" for @bt;
		3312	--$_log_backtrace;
2624	};	3313	};
		3314	} else {
		3315	LOG llevInfo, "[ABT] $msg\n";
		3316	LOG llevInfo, "[ABT] [suppressed]\n";
2625	},	3317	}
2626	);	3318	}
		3319
		3320	# load additional modules
		3321	use cf::pod;
2627		3322
2628	END { cf::emergency_save }	3323	END { cf::emergency_save }
2629		3324
2630	1	3325	1
2631		3326

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