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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC vs.
Revision 1.314 by root, Mon Jul 23 16:53:15 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 3.3 ();	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;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	79	our $NEXT_TICK;
50	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;
51		85
52	our %CFG;	86	our %CFG;
53		87
54	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	89	our $RUNTIME;
56		90
57	our %PLAYER; # all users	91	our %PLAYER; # all users
58	our %MAP; # all maps	92	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		94
65	# 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 ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		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 $tick_start; # for load detecting purposes
		101
68	binmode STDOUT;	102	binmode STDOUT;
69	binmode STDERR;	103	binmode STDERR;
70		104
71	# read virtual server time, if available	105	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
76	}	110	}
77		111
78	mkdir cf::localdir;	112	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		114
84	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
85		118
86	#############################################################################	119	#############################################################################
87		120
88	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
89		122
…		…
96	=item $cf::RUNTIME	129	=item $cf::RUNTIME
97		130
98	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
99	every server tick.	132	every server tick.
100		133
101	=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
102		137
103	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
104	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.
105		142
106	=item $cf::NOW	143	=item $cf::NOW
107		144
108	The time of the last (current) server tick.	145	The time of the last (current) server tick.
109		146
110	=item $cf::TICK	147	=item $cf::TICK
111		148
112	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.
113		160
114	=item %cf::CFG	161	=item %cf::CFG
115		162
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
117	from wherever your confdir points to.	164	from wherever your confdir points to.
118		165
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		167
121	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
122	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
123	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.
124	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.
125		177
126	=back	178	=back
127		179
128	=cut	180	=cut
129		181
130	BEGIN {	182	BEGIN {
131	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	184	my $msg = join "", @_;
133	utf8::encode $msg;
134		185
135	$msg .= "\n"	186	$msg .= "\n"
136	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
137		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
138	LOG llevError, $msg;	192	LOG llevError, $msg;
139	};	193	};
140	}	194	}
141		195
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@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';
147	@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)
148		203
149	# 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
150	# within the Safe compartment.	205	# within the Safe compartment.
151	for my $pkg (qw(	206	for my $pkg (qw(
152	cf::global cf::attachable	207	cf::global cf::attachable
…		…
160	}	215	}
161		216
162	$Event::DIED = sub {	217	$Event::DIED = sub {
163	warn "error in event callback: @_";	218	warn "error in event callback: @_";
164	};	219	};
		220
		221	#############################################################################
165		222
166	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
167		224
168	=over 4	225	=over 4
169		226
…		…
188	$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;
189	$d	246	$d
190	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
191	}	248	}
192		249
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
196		251
197	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
198		253
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
207		255
208	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
209		257
210	=cut	258	=cut
211		259
212	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
214	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
216		264
217	=item cf::lock_wait $string	265	=item cf::lock_wait $string
218		266
219	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
220		268
…		…
226	returned.	274	returned.
227		275
228	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
229	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
230		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
231	=cut	283	=cut
232		284
233	our %LOCK;	285	our %LOCK;
234		286
235	sub lock_wait($) {	287	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
256	}	308	}
257	}	309	}
258		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
259	sub freeze_mainloop {	317	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
261		319
262	my $guard = Coro::guard { $TICK_WATCHER->start };	320	my $guard = Coro::guard {
		321	$TICK_WATCHER->start;
		322	};
263	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
264	$guard	324	$guard
		325	}
		326
		327	=item cf::get_slot $time[, $priority]
		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	Useful for short background jobs.
		334
		335	=cut
		336
		337	our @SLOT_QUEUE;
		338	our $SLOT_QUEUE;
		339
		340	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		341	$SLOT_QUEUE = Coro::async {
		342	my $signal = new Coro::Signal;
		343
		344	while () {
		345	next_job:
		346	my $avail = cf::till_tick;
		347	if ($avail > 0.01) {
		348	for (0 .. $#SLOT_QUEUE) {
		349	if ($SLOT_QUEUE[$_][0] < $avail) {
		350	my $job = splice @SLOT_QUEUE, $_, 1, ();
		351	$job->[2]->send;
		352	Coro::cede;
		353	goto next_job;
		354	}
		355	}
		356	}
		357
		358	if (@SLOT_QUEUE) {
		359	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		360	push @cf::WAIT_FOR_TICK, $signal;
		361	$signal->wait;
		362	} else {
		363	Coro::schedule;
		364	}
		365	}
		366	};
		367
		368	sub get_slot($;$) {
		369	my ($time, $pri) = @_;
		370
		371	push @SLOT_QUEUE, [$time, $pri, my $sig = new Coro::Signal];
		372	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		373	$SLOT_QUEUE->ready;
		374	$sig->wait;
265	}	375	}
266		376
267	=item cf::async { BLOCK }	377	=item cf::async { BLOCK }
268		378
269	Currently the same as Coro::async_pool, meaning you cannot use	379	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		384
275	BEGIN { *async = \&Coro::async_pool }	385	BEGIN { *async = \&Coro::async_pool }
276		386
277	=item cf::sync_job { BLOCK }	387	=item cf::sync_job { BLOCK }
278		388
279	The design of crossfire+ requires that the main coro ($Coro::main) is	389	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	390	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	391	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		392	acceptable.
282		393
283	If it must be done, put the blocking parts into C<sync_job>. This will run	394	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	395	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	396	server will be frozen during this time, so the block should either finish
286	fast or be very important.	397	fast or be very important.
…		…
289		400
290	sub sync_job(&) {	401	sub sync_job(&) {
291	my ($job) = @_;	402	my ($job) = @_;
292		403
293	if ($Coro::current == $Coro::main) {	404	if ($Coro::current == $Coro::main) {
		405	my $time = Event::time;
		406
294	# this is the main coro, too bad, we have to block	407	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	408	# till the operation succeeds, freezing the server :/
296		409
297	# TODO: use suspend/resume instead	410	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	411	# (but this is cancel-safe)
…		…
309		422
310	while ($busy) {	423	while ($busy) {
311	Coro::cede or Event::one_event;	424	Coro::cede or Event::one_event;
312	}	425	}
313		426
		427	$time = Event::time - $time;
		428
		429	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		430	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		431
		432	$tick_start += $time; # do not account sync jobs to server load
		433
314	wantarray ? @res : $res[0]	434	wantarray ? @res : $res[0]
315	} else {	435	} else {
316	# we are in another coroutine, how wonderful, everything just works	436	# we are in another coroutine, how wonderful, everything just works
317		437
318	$job->()	438	$job->()
…		…
337	$EXT_CORO{$coro+0} = $coro;	457	$EXT_CORO{$coro+0} = $coro;
338		458
339	$coro	459	$coro
340	}	460	}
341		461
342	sub write_runtime {	462	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		463
345	my $runtime = cf::localdir . "/runtime";	464	Executes the given code block with the given arguments in a seperate
		465	process, returning the results. Everything must be serialisable with
		466	Coro::Storable. May, of course, block. Note that the executed sub may
		467	never block itself or use any form of Event handling.
346		468
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	469	=cut
348	or return;
349		470
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	471	sub _store_scalar {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	472	open my $fh, ">", \my $buf
352	and return;	473	or die "fork_call: cannot open fh-to-buf in child : $!";
353		474	Storable::store_fd $_[0], $fh;
354	aio_fsync $fh
355	and return;
356
357	close $fh	475	close $fh;
358	or return;
359		476
360	aio_rename "$runtime~", $runtime	477	$buf
361	and return;	478	}
362		479
		480	sub fork_call(&@) {
		481	my ($cb, @args) = @_;
		482
		483	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		484	# or die "socketpair: $!";
		485	pipe my $fh1, my $fh2
		486	or die "pipe: $!";
		487
		488	if (my $pid = fork) {
		489	close $fh2;
		490
		491	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		492	warn "pst<$res>" unless $res =~ /^pst/;
		493	$res = Coro::Storable::thaw $res;
		494
		495	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		496
		497	Carp::confess $$res unless "ARRAY" eq ref $res;
		498
		499	return wantarray ? @$res : $res->[-1];
		500	} else {
		501	reset_signals;
		502	local $SIG{__WARN__};
		503	local $SIG{__DIE__};
		504	# just in case, this hack effectively disables event
		505	# in the child. cleaner and slower would be canceling all watchers,
		506	# but this works for the time being.
		507	local $Coro::idle;
		508	$Coro::current->prio (Coro::PRIO_MAX);
		509
		510	eval {
		511	close $fh1;
		512
		513	my @res = eval { $cb->(@args) };
		514
		515	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		516	close $fh2;
		517	};
		518
		519	warn $@ if $@;
		520	_exit 0;
363	1	521	}
		522	}
		523
		524	=item $value = cf::db_get $family => $key
		525
		526	Returns a single value from the environment database.
		527
		528	=item cf::db_put $family => $key => $value
		529
		530	Stores the given C<$value> in the family. It can currently store binary
		531	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		532
		533	=cut
		534
		535	our $DB;
		536
		537	sub db_init {
		538	unless ($DB) {
		539	$DB = BDB::db_create $DB_ENV;
		540
		541	cf::sync_job {
		542	eval {
		543	$DB->set_flags (BDB::CHKSUM);
		544
		545	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		546	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		547	cf::cleanup "db_open(db): $!" if $!;
		548	};
		549	cf::cleanup "db_open(db): $@" if $@;
		550	};
		551	}
		552	}
		553
		554	sub db_get($$) {
		555	my $key = "$_[0]/$_[1]";
		556
		557	cf::sync_job {
		558	BDB::db_get $DB, undef, $key, my $data;
		559
		560	$! ? ()
		561	: $data
		562	}
		563	}
		564
		565	sub db_put($$$) {
		566	BDB::dbreq_pri 4;
		567	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		568	}
		569
		570	=item cf::cache $id => [$paths...], $processversion => $process
		571
		572	Generic caching function that returns the value of the resource $id,
		573	caching and regenerating as required.
		574
		575	This function can block.
		576
		577	=cut
		578
		579	sub cache {
		580	my ($id, $src, $processversion, $process) = @_;
		581
		582	my $meta =
		583	join "\x00",
		584	$processversion,
		585	map {
		586	aio_stat $_
		587	and Carp::croak "$_: $!";
		588
		589	($_, (stat _)[7,9])
		590	} @$src;
		591
		592	my $dbmeta = db_get cache => "$id/meta";
		593	if ($dbmeta ne $meta) {
		594	# changed, we may need to process
		595
		596	my @data;
		597	my $md5;
		598
		599	for (0 .. $#$src) {
		600	0 <= aio_load $src->[$_], $data[$_]
		601	or Carp::croak "$src->[$_]: $!";
		602	}
		603
		604	# if processing is expensive, check
		605	# checksum first
		606	if (1) {
		607	$md5 =
		608	join "\x00",
		609	$processversion,
		610	map {
		611	Coro::cede;
		612	($src->[$_], Digest::MD5::md5_hex $data[$_])
		613	} 0.. $#$src;
		614
		615
		616	my $dbmd5 = db_get cache => "$id/md5";
		617	if ($dbmd5 eq $md5) {
		618	db_put cache => "$id/meta", $meta;
		619
		620	return db_get cache => "$id/data";
		621	}
		622	}
		623
		624	my $t1 = Time::HiRes::time;
		625	my $data = $process->(\@data);
		626	my $t2 = Time::HiRes::time;
		627
		628	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		629
		630	db_put cache => "$id/data", $data;
		631	db_put cache => "$id/md5" , $md5;
		632	db_put cache => "$id/meta", $meta;
		633
		634	return $data;
		635	}
		636
		637	db_get cache => "$id/data"
		638	}
		639
		640	=item cf::datalog type => key => value, ...
		641
		642	Log a datalog packet of the given type with the given key-value pairs.
		643
		644	=cut
		645
		646	sub datalog($@) {
		647	my ($type, %kv) = @_;
		648	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	649	}
365		650
366	=back	651	=back
367		652
368	=cut	653	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	660	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	661	to it. All such attachable objects support the following methods.
377		662
378	In the following description, CLASS can be any of C<global>, C<object>	663	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	664	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	665	Crossfire TRT).
381		666
382	=over 4	667	=over 4
383		668
384	=item $attachable->attach ($attachment, key => $value...)	669	=item $attachable->attach ($attachment, key => $value...)
385		670
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	784	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	785	our @CB_MAP = ();
501		786
502	my %attachment;	787	my %attachment;
503		788
		789	sub cf::attachable::thawer_merge {
		790	# simply override everything except _meta
		791	local $_[0]{_meta};
		792	%{$_[0]} = %{$_[1]};
		793	}
		794
504	sub _attach_cb($$$$) {	795	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	796	my ($registry, $event, $prio, $cb) = @_;
506		797
507	use sort 'stable';	798	use sort 'stable';
508		799
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	833	$registry = $CB_TYPE[$object_type] ||= [];
543		834
544	} elsif ($type eq "subtype") {	835	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	836	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	837	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	838	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		839
549	} elsif ($type eq "package") {	840	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	841	my $pkg = shift @arg;
551		842
552	while (my ($name, $id) = each %cb_id) {	843	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	872	_attach $registry, $klass, @attach;
582	}	873	}
583		874
584	$obj->{$name} = \%arg;	875	$obj->{$name} = \%arg;
585	} else {	876	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	877	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	878	}
588		879
589	$obj->{_attachment}{$name} = undef;	880	$obj->{_attachment}{$name} = undef;
590	}	881	}
591		882
…		…
593	if (ref $_[0]) {	884	if (ref $_[0]) {
594	_object_attach @_;	885	_object_attach @_;
595	} else {	886	} else {
596	_attach shift->_attach_registry, @_;	887	_attach shift->_attach_registry, @_;
597	}	888	}
		889	_recalc_want;
598	};	890	};
599		891
600	# all those should be optimised	892	# all those should be optimised
601	sub cf::attachable::detach {	893	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	894	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	897	delete $obj->{_attachment}{$name};
606	reattach ($obj);	898	reattach ($obj);
607	} else {	899	} else {
608	Carp::croak "cannot, currently, detach class attachments";	900	Carp::croak "cannot, currently, detach class attachments";
609	}	901	}
		902	_recalc_want;
610	};	903	};
611		904
612	sub cf::attachable::attached {	905	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	906	my ($obj, $name) = @_;
614		907
…		…
629	";	922	";
630	die if $@;	923	die if $@;
631	}	924	}
632		925
633	our $override;	926	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	927	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		928
636	sub override {	929	sub override {
637	$override = 1;	930	$override = 1;
638	@invoke_results = ();	931	@INVOKE_RESULTS = (@_);
639	}	932	}
640		933
641	sub do_invoke {	934	sub do_invoke {
642	my $event = shift;	935	my $event = shift;
643	my $callbacks = shift;	936	my $callbacks = shift;
644		937
645	@invoke_results = ();	938	@INVOKE_RESULTS = ();
646		939
647	local $override;	940	local $override;
648		941
649	for (@$callbacks) {	942	for (@$callbacks) {
650	eval { &{$_->[1]} };	943	eval { &{$_->[1]} };
…		…
667		960
668	Generate an object-specific event with the given arguments.	961	Generate an object-specific event with the given arguments.
669		962
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	963	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	964	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	965	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		966
674	=back	967	=back
675		968
676	=cut	969	=cut
677		970
678	#############################################################################	971	#############################################################################
679	# object support	972	# object support
		973	#
		974
		975	sub _can_merge {
		976	my ($ob1, $ob2) = @_;
		977
		978	local $Storable::canonical = 1;
		979	my $fob1 = Storable::freeze $ob1;
		980	my $fob2 = Storable::freeze $ob2;
		981
		982	$fob1 eq $fob2
		983	}
680		984
681	sub reattach {	985	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	986	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	987	my ($obj) = @_;
		988
		989	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		990
685	my $registry = $obj->registry;	991	my $registry = $obj->registry;
686		992
687	@$registry = ();	993	@$registry = ();
688		994
…		…
735	$filename, length $$rdata, scalar @$objs;	1041	$filename, length $$rdata, scalar @$objs;
736		1042
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1043	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1044	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1045	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1046	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1047	close $fh;
742		1048
743	if (@$objs) {	1049	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1050	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1051	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1052	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1053	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1054	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1055	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1056	aio_rename "$filename.pst~", "$filename.pst";
751	}	1057	}
752	} else {	1058	} else {
753	aio_unlink "$filename.pst";	1059	aio_unlink "$filename.pst";
…		…
785	or return;	1091	or return;
786	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
787	}	1093	}
788		1094
789	warn sprintf "loading %s (%d)\n",	1095	warn sprintf "loading %s (%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1096	$filename, length $data, scalar @{$av || []};
791	return ($data, $av);	1097	return ($data, $av);
792	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
793		1105
794	#############################################################################	1106	#############################################################################
795	# command handling &c	1107	# command handling &c
796		1108
797	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1123	}
812		1124
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1126
815	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
816		1132
817	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
818	called.	1134	called.
819		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
820	=cut	1147	=cut
821		1148
822	sub register_extcmd {	1149	sub register_extcmd {
823	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
824		1151
825	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
826	}	1159	}
827		1160
828	cf::player->attach (	1161	cf::player->attach (
829	on_command => sub {	1162	on_command => sub {
830	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1172	cf::override;
840	},	1173	},
841	on_extcmd => sub {	1174	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
843		1176
844	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1178
846	if (ref $msg) {	1179	if (ref $msg) {
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1180	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
848	if (my %reply = $cb->($pl, $msg)) {	1181	if (my %reply = $cb->($pl, $msg)) {
849	$pl->ext_reply ($msg->{msgid}, %reply);	1182	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
855		1188
856	cf::override;	1189	cf::override;
857	},	1190	},
858	);	1191	);
859		1192
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1193	sub load_extensions {
		1194	cf::sync_job {
		1195	my %todo;
		1196
895	for my $ext (<$LIBDIR/*.ext>) {	1197	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1198	next unless -r $path;
897	eval {	1199
898	load_extension $ext;	1200	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1201	my $base = $1;
		1202	my $pkg = $1;
		1203	$pkg =~ s/[^[:word:]]/_/g;
		1204	$pkg = "ext::$pkg";
		1205
		1206	open my $fh, "<:utf8", $path
		1207	or die "$path: $!";
		1208
		1209	my $source = do { local $/; <$fh> };
		1210
		1211	my %ext = (
		1212	path => $path,
		1213	base => $base,
		1214	pkg => $pkg,
		1215	);
		1216
		1217	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1218	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1219
		1220	$ext{source} =
		1221	"package $pkg; use strict; use utf8;\n"
		1222	. "#line 1 \"$path\"\n{\n"
		1223	. $source
		1224	. "\n};\n1";
		1225
		1226	$todo{$base} = \%ext;
		1227	}
		1228
		1229	my %done;
		1230	while (%todo) {
		1231	my $progress;
		1232
		1233	while (my ($k, $v) = each %todo) {
		1234	for (split /,\s*/, $v->{meta}{depends}) {
		1235	goto skip
		1236	unless exists $done{$_};
		1237	}
		1238
		1239	warn "... loading '$k' into '$v->{pkg}'\n";
		1240
		1241	unless (eval $v->{source}) {
		1242	my $msg = $@ ? "$v->{path}: $@\n"
		1243	: "$v->{base}: extension inactive.\n";
		1244
		1245	if (exists $v->{meta}{mandatory}) {
		1246	warn $msg;
		1247	warn "mandatory extension failed to load, exiting.\n";
		1248	exit 1;
		1249	}
		1250
		1251	warn $msg;
		1252	}
		1253
		1254	$done{$k} = delete $todo{$k};
		1255	push @EXTS, $v->{pkg};
		1256	$progress = 1;
899	1	1257	}
900	} or warn "$ext not loaded: $@";	1258
		1259	skip:
		1260	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1261	unless $progress;
		1262	}
901	}	1263	};
902	}	1264	}
903		1265
904	#############################################################################	1266	#############################################################################
905		1267
		1268	=back
		1269
906	=head2 CORE EXTENSIONS	1270	=head2 CORE EXTENSIONS
907		1271
908	Functions and methods that extend core crossfire objects.	1272	Functions and methods that extend core crossfire objects.
909		1273
910	=cut	1274	=cut
…		…
922	Returns the given player object, loading it if necessary (might block).	1286	Returns the given player object, loading it if necessary (might block).
923		1287
924	=cut	1288	=cut
925		1289
926	sub playerdir($) {	1290	sub playerdir($) {
927	cf::localdir	1291	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1292	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1293	}
933		1294
934	sub path($) {	1295	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1296	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1297
937	(playerdir $login) . "/$login.pl"	1298	(playerdir $login) . "/playerdata"
938	}	1299	}
939		1300
940	sub find_active($) {	1301	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1302	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1303	and $cf::PLAYER{$_[0]}->active
…		…
945		1306
946	sub exists($) {	1307	sub exists($) {
947	my ($login) = @_;	1308	my ($login) = @_;
948		1309
949	$cf::PLAYER{$login}	1310	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1311	or cf::sync_job { !aio_stat path $login }
951	}	1312	}
952		1313
953	sub find($) {	1314	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1315	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1316	my $login = $_[0];
956		1317
957	my $guard = cf::lock_acquire "user_find:$login";	1318	my $guard = cf::lock_acquire "user_find:$login";
958		1319
959	$cf::PLAYER{$_[0]} || do {	1320	$cf::PLAYER{$_[0]} || do {
		1321	# rename old playerfiles to new ones
		1322	#TODO: remove when no longer required
		1323	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1324	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1325	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1326	aio_unlink +(playerdir $login) . "/$login.pl";
		1327
960	my $pl = load_pl path $login	1328	my $pl = load_pl path $login
961	or return;	1329	or return;
962	$cf::PLAYER{$login} = $pl	1330	$cf::PLAYER{$login} = $pl
963	}	1331	}
964	}	1332	}
…		…
1001		1369
1002	=cut	1370	=cut
1003		1371
1004	sub quit_character {	1372	sub quit_character {
1005	my ($pl) = @_;	1373	my ($pl) = @_;
		1374
		1375	my $name = $pl->ob->name;
1006		1376
1007	$pl->{deny_save} = 1;	1377	$pl->{deny_save} = 1;
1008	$pl->password ("*"); # this should lock out the player until we nuked the dir	1378	$pl->password ("*"); # this should lock out the player until we nuked the dir
1009		1379
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1380	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1385	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1386	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1387	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1388	delete $cf::PLAYER{$pl->ob->name};
1019	$pl->destroy;	1389	$pl->destroy;
		1390
		1391	my $prefix = qr<^~\Q$name\E/>;
		1392
		1393	# nuke player maps
		1394	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1395
1020	IO::AIO::aio_rmtree $temp;	1396	IO::AIO::aio_rmtree $temp;
		1397	}
		1398
		1399	=item $pl->kick
		1400
		1401	Kicks a player out of the game. This destroys the connection.
		1402
		1403	=cut
		1404
		1405	sub kick {
		1406	my ($pl, $kicker) = @_;
		1407
		1408	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1409	$pl->killer ("kicked");
		1410	$pl->ns->destroy;
1021	}	1411	}
1022		1412
1023	=item cf::player::list_logins	1413	=item cf::player::list_logins
1024		1414
1025	Returns am arrayref of all valid playernames in the system, can take a	1415	Returns am arrayref of all valid playernames in the system, can take a
1026	while and may block, so not sync_job-capable, ever.	1416	while and may block, so not sync_job-capable, ever.
1027		1417
1028	=cut	1418	=cut
1029		1419
1030	sub list_logins {	1420	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1421	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1422	or return [];
1033		1423
1034	my @logins;	1424	my @logins;
1035		1425
1036	for my $login (@$dirs) {	1426	for my $login (@$dirs) {
…		…
1053	=cut	1443	=cut
1054		1444
1055	sub maps($) {	1445	sub maps($) {
1056	my ($pl) = @_;	1446	my ($pl) = @_;
1057		1447
		1448	$pl = ref $pl ? $pl->ob->name : $pl;
		1449
1058	my $files = aio_readdir playerdir $pl	1450	my $files = aio_readdir playerdir $pl
1059	or return;	1451	or return;
1060		1452
1061	my @paths;	1453	my @paths;
1062		1454
1063	for (@$files) {	1455	for (@$files) {
1064	utf8::decode $_;	1456	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1457	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1458	next unless /^$PATH_SEP/o;
1067		1459
1068	s/\.map$//;	1460	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1461	}
1071		1462
1072	\@paths	1463	\@paths
1073	}	1464	}
1074		1465
		1466	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1467
		1468	Expand crossfire pod fragments into protocol xml.
		1469
		1470	=cut
		1471
		1472	sub expand_cfpod {
		1473	((my $self), (local $_)) = @_;
		1474
		1475	# escape & and <
		1476	s/&/&amp;/g;
		1477	s/(?<![BIUGH])</&lt;/g;
		1478
		1479	# this is buggy, it needs to properly take care of nested <'s
		1480
		1481	1 while
		1482	# replace B<>, I<>, U<> etc.
		1483	s/B<([^\>]*)>/<b>$1<\/b>/
		1484	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1485	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1486	# replace G<male|female> tags
		1487	|| s{G<([^>|]*)\|([^>]*)>}{
		1488	$self->gender ? $2 : $1
		1489	}ge
		1490	# replace H<hint text>
		1491	|| s{H<([^\>]*)>}
		1492	{
		1493	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1494	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1495	"")
		1496	[$self->{hintmode}]
		1497	}ge;
		1498
		1499	# create single paragraphs (very hackish)
		1500	s/(?<=\S)\n(?=\w)/ /g;
		1501
		1502	# compress some whitespace
		1503	s/\s+\n/\n/g; # ws line-ends
		1504	s/\n\n+/\n/g; # double lines
		1505	s/^\n+//; # beginning lines
		1506	s/\n+$//; # ending lines
		1507
		1508	$_
		1509	}
		1510
		1511	sub hintmode {
		1512	$_[0]{hintmode} = $_[1] if @_ > 1;
		1513	$_[0]{hintmode}
		1514	}
		1515
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1516	=item $player->ext_reply ($msgid, %msg)
1076		1517
1077	Sends an ext reply to the player.	1518	Sends an ext reply to the player.
1078		1519
1079	=cut	1520	=cut
1080		1521
1081	sub ext_reply($$$%) {	1522	sub ext_reply($$%) {
1082	my ($self, $id, %msg) = @_;	1523	my ($self, $id, %msg) = @_;
1083		1524
1084	$msg{msgid} = $id;	1525	$msg{msgid} = $id;
1085		1526	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1086	$self->send ("ext " . cf::to_json \%msg);
1087	}	1527	}
1088		1528
1089	package cf;	1529	=item $player->ext_event ($type, %msg)
		1530
		1531	Sends an ext event to the client.
		1532
		1533	=cut
		1534
		1535	sub ext_event($$%) {
		1536	my ($self, $type, %msg) = @_;
		1537
		1538	$self->ns->ext_event ($type, %msg);
		1539	}
		1540
		1541	=head3 cf::region
		1542
		1543	=over 4
		1544
		1545	=cut
		1546
		1547	package cf::region;
		1548
		1549	=item cf::region::find_by_path $path
		1550
		1551	Tries to decuce the likely region for a map knowing only its path.
		1552
		1553	=cut
		1554
		1555	sub find_by_path($) {
		1556	my ($path) = @_;
		1557
		1558	my ($match, $specificity);
		1559
		1560	for my $region (list) {
		1561	if ($region->{match} && $path =~ $region->{match}) {
		1562	($match, $specificity) = ($region, $region->specificity)
		1563	if $region->specificity > $specificity;
		1564	}
		1565	}
		1566
		1567	$match
		1568	}
1090		1569
1091	=back	1570	=back
1092
1093		1571
1094	=head3 cf::map	1572	=head3 cf::map
1095		1573
1096	=over 4	1574	=over 4
1097		1575
…		…
1101		1579
1102	use Fcntl;	1580	use Fcntl;
1103	use Coro::AIO;	1581	use Coro::AIO;
1104		1582
1105	use overload	1583	use overload
1106	'""' => \&as_string;	1584	'""' => \&as_string,
		1585	fallback => 1;
1107		1586
1108	our $MAX_RESET = 3600;	1587	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1588	our $DEFAULT_RESET = 3000;
1110		1589
1111	sub generate_random_map {	1590	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1591	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1592	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1593	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1594	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1595	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1596	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1603	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1604	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1605	)
1128	}	1606	}
1129		1607
		1608	=item cf::map->register ($regex, $prio)
		1609
		1610	Register a handler for the map path matching the given regex at the
		1611	givne priority (higher is better, built-in handlers have priority 0, the
		1612	default).
		1613
		1614	=cut
		1615
1130	sub register {	1616	sub register {
1131	my (undef, $regex) = @_;	1617	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1618	my $pkg = caller;
1133		1619
1134	no strict;	1620	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1621	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1622
1137	$EXT_MAP{$pkg} = qr<$regex>;	1623	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1624	}
1139		1625
1140	# also paths starting with '/'	1626	# also paths starting with '/'
1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1627	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1628
		1629	sub thawer_merge {
		1630	my ($self, $merge) = @_;
		1631
		1632	# we have to keep some variables in memory intact
		1633	local $self->{path};
		1634	local $self->{load_path};
		1635
		1636	$self->SUPER::thawer_merge ($merge);
		1637	}
1142		1638
1143	sub normalise {	1639	sub normalise {
1144	my ($path, $base) = @_;	1640	my ($path, $base) = @_;
		1641
		1642	$path = "$path"; # make sure its a string
		1643
		1644	$path =~ s/\.map$//;
1145		1645
1146	# map plan:	1646	# map plan:
1147	#	1647	#
1148	# /! non-realised random map exit (special hack!)	1648	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1649	# {... are special paths that are not being touched
…		…
1177		1677
1178	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1678	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1179		1679
1180	$path = normalise $path, $base;	1680	$path = normalise $path, $base;
1181		1681
1182	for my $pkg (keys %EXT_MAP) {	1682	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1683	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1684	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1685	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1686	$self->init; # pass $1 etc.
1187	return $self;	1687	return $self;
1188	}	1688	}
1189	}	1689	}
1190		1690
1191	Carp::carp "unable to resolve path '$path'.";	1691	Carp::cluck "unable to resolve path '$path' (base '$base').";
1192	()	1692	()
1193	}	1693	}
1194		1694
1195	sub init {	1695	sub init {
1196	my ($self) = @_;	1696	my ($self) = @_;
…		…
1211		1711
1212	# the original (read-only) location	1712	# the original (read-only) location
1213	sub load_path {	1713	sub load_path {
1214	my ($self) = @_;	1714	my ($self) = @_;
1215		1715
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1716	"$MAPDIR/$self->{path}.map"
1217	}	1717	}
1218		1718
1219	# the temporary/swap location	1719	# the temporary/swap location
1220	sub save_path {	1720	sub save_path {
1221	my ($self) = @_;	1721	my ($self) = @_;
1222		1722
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1723	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1724	"$TMPDIR/$path.map"
1225	}	1725	}
1226		1726
1227	# the unique path, undef == no special unique path	1727	# the unique path, undef == no special unique path
1228	sub uniq_path {	1728	sub uniq_path {
1229	my ($self) = @_;	1729	my ($self) = @_;
1230		1730
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1731	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1732	"$UNIQUEDIR/$path"
1233	}	1733	}
1234		1734
1235	# and all this just because we cannot iterate over	1735	# and all this just because we cannot iterate over
1236	# all maps in C++...	1736	# all maps in C++...
1237	sub change_all_map_light {	1737	sub change_all_map_light {
…		…
1239		1739
1240	$_->change_map_light ($change)	1740	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1741	for grep $_->outdoor, values %cf::MAP;
1242	}	1742	}
1243		1743
		1744	sub decay_objects {
		1745	my ($self) = @_;
		1746
		1747	return if $self->{deny_reset};
		1748
		1749	$self->do_decay_objects;
		1750	}
		1751
1244	sub unlink_save {	1752	sub unlink_save {
1245	my ($self) = @_;	1753	my ($self) = @_;
1246		1754
1247	utf8::encode (my $save = $self->save_path);	1755	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1756	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1757	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1758	}
1251		1759
1252	sub load_header_from($) {	1760	sub load_header_from($) {
1253	my ($self, $path) = @_;	1761	my ($self, $path) = @_;
1254		1762
1255	utf8::encode $path;	1763	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1764	#aio_open $path, O_RDONLY, 0
1257	or return;	1765	# or return;
1258		1766
1259	$self->_load_header ($path)	1767	$self->_load_header ($path)
1260	or return;	1768	or return;
1261		1769
1262	$self->{load_path} = $path;	1770	$self->{load_path} = $path;
1263		1771
1264	1	1772	1
1265	}	1773	}
1266		1774
1267	sub load_orig {	1775	sub load_header_orig {
1268	my ($self) = @_;	1776	my ($self) = @_;
1269		1777
1270	$self->load_header_from ($self->load_path)	1778	$self->load_header_from ($self->load_path)
1271	}	1779	}
1272		1780
1273	sub load_temp {	1781	sub load_header_temp {
1274	my ($self) = @_;	1782	my ($self) = @_;
1275		1783
1276	$self->load_header_from ($self->save_path)	1784	$self->load_header_from ($self->save_path)
		1785	}
		1786
		1787	sub prepare_temp {
		1788	my ($self) = @_;
		1789
		1790	$self->last_access ((delete $self->{last_access})
		1791	|| $cf::RUNTIME); #d#
		1792	# safety
		1793	$self->{instantiate_time} = $cf::RUNTIME
		1794	if $self->{instantiate_time} > $cf::RUNTIME;
		1795	}
		1796
		1797	sub prepare_orig {
		1798	my ($self) = @_;
		1799
		1800	$self->{load_original} = 1;
		1801	$self->{instantiate_time} = $cf::RUNTIME;
		1802	$self->last_access ($cf::RUNTIME);
		1803	$self->instantiate;
1277	}	1804	}
1278		1805
1279	sub load_header {	1806	sub load_header {
1280	my ($self) = @_;	1807	my ($self) = @_;
1281		1808
1282	if ($self->load_temp) {	1809	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1810	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1811	} else {
1289	$self->load_orig	1812	$self->load_header_orig
1290	or return;	1813	or return;
1291		1814	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	1815	}
		1816
		1817	$self->{deny_reset} = 1
		1818	if $self->no_reset;
		1819
		1820	$self->default_region (cf::region::find_by_path $self->{path})
		1821	unless $self->default_region;
1297		1822
1298	1	1823	1
1299	}	1824	}
1300		1825
1301	sub find;	1826	sub find;
…		…
1314	$map->{last_save} = $cf::RUNTIME;	1839	$map->{last_save} = $cf::RUNTIME;
1315		1840
1316	$map->load_header	1841	$map->load_header
1317	or return;	1842	or return;
1318		1843
1319	if ($map->should_reset) {	1844	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1845	# doing this can freeze the server in a sync job, obviously
		1846	#$cf::WAIT_FOR_TICK->wait;
1320	$map->reset;	1847	$map->reset;
1321	undef $guard;	1848	undef $guard;
1322	$map = find $path	1849	return find $path;
1323	or return;
1324	}	1850	}
1325		1851
1326	$cf::MAP{$path} = $map	1852	$cf::MAP{$path} = $map
1327	}	1853	}
1328	}	1854	}
		1855
		1856	sub pre_load { }
		1857	sub post_load { }
1329		1858
1330	sub load {	1859	sub load {
1331	my ($self) = @_;	1860	my ($self) = @_;
1332		1861
		1862	local $self->{deny_reset} = 1; # loading can take a long time
		1863
1333	my $path = $self->{path};	1864	my $path = $self->{path};
		1865
		1866	{
1334	my $guard = cf::lock_acquire "map_load:$path";	1867	my $guard = cf::lock_acquire "map_load:$path";
1335		1868
1336	return if $self->in_memory != cf::MAP_SWAPPED;	1869	return if $self->in_memory != cf::MAP_SWAPPED;
1337		1870
1338	$self->in_memory (cf::MAP_LOADING);	1871	$self->in_memory (cf::MAP_LOADING);
1339		1872
1340	$self->alloc;	1873	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)
1342	or return;
1343		1874
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1875	$self->pre_load;
1345	if delete $self->{load_original};
1346
1347	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {
1350	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);
1352	}
1353	}
1354
1355	Coro::cede;
1356
1357	# now do the right thing for maps
1358	$self->link_multipart_objects;
1359
1360	unless ($self->{deny_activate}) {
1361	$self->decay_objects;
1362	$self->fix_auto_apply;
1363	$self->update_buttons;
1364	Coro::cede;	1876	Coro::cede;
1365	$self->set_darkness_map;	1877
		1878	$self->_load_objects ($self->{load_path}, 1)
		1879	or return;
		1880
		1881	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1882	if delete $self->{load_original};
		1883
		1884	if (my $uniq = $self->uniq_path) {
		1885	utf8::encode $uniq;
		1886	if (aio_open $uniq, O_RDONLY, 0) {
		1887	$self->clear_unique_items;
		1888	$self->_load_objects ($uniq, 0);
		1889	}
		1890	}
		1891
		1892	Coro::cede;
		1893	# now do the right thing for maps
		1894	$self->link_multipart_objects;
1366	$self->difficulty ($self->estimate_difficulty)	1895	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	1896	unless $self->difficulty;
1368	Coro::cede;	1897	Coro::cede;
		1898
		1899	unless ($self->{deny_activate}) {
		1900	$self->decay_objects;
		1901	$self->fix_auto_apply;
		1902	$self->update_buttons;
		1903	Coro::cede;
		1904	$self->set_darkness_map;
		1905	Coro::cede;
1369	$self->activate;	1906	$self->activate;
1370	}	1907	}
1371		1908
1372	$self->in_memory (cf::MAP_IN_MEMORY);	1909	$self->in_memory (cf::MAP_IN_MEMORY);
		1910	}
		1911
		1912	$self->post_load;
1373	}	1913	}
1374		1914
1375	sub customise_for {	1915	sub customise_for {
1376	my ($self, $ob) = @_;	1916	my ($self, $ob) = @_;
1377		1917
1378	return find "~" . $ob->name . "/" . $self->{path}	1918	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	1919	if $self->per_player;
		1920
		1921	# return find "?party/" . $ob->name . "/" . $self->{path}
		1922	# if $self->per_party;
1380		1923
1381	$self	1924	$self
1382	}	1925	}
1383		1926
1384	# find and load all maps in the 3x3 area around a map	1927	# find and load all maps in the 3x3 area around a map
…		…
1416		1959
1417	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
1418	}	1961	}
1419		1962
1420	our %MAP_PREFETCH;	1963	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	1964	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		1965
1434	sub find_async {	1966	sub find_async {
1435	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1436		1968
1437	$path = normalise $path, $origin && $origin->{path};	1969	$path = normalise $path, $origin && $origin->{path};
1438		1970
1439	if (my $map = $cf::MAP{$path}) {	1971	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1972	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1441	}	1973	}
1442		1974
1443	$MAP_PREFETCH{$path} = 0;	1975	undef $MAP_PREFETCH{$path};
		1976	$MAP_PREFETCHER ||= cf::async {
		1977	while (%MAP_PREFETCH) {
		1978	for my $path (keys %MAP_PREFETCH) {
		1979	if (my $map = find $path) {
		1980	$map->load;
		1981	}
		1982
		1983	delete $MAP_PREFETCH{$path};
		1984	}
		1985	}
		1986	undef $MAP_PREFETCHER;
		1987	};
1444	$MAP_PREFETCHER->ready;	1988	$MAP_PREFETCHER->prio (6);
1445		1989
1446	()	1990	()
1447	}	1991	}
1448		1992
1449	sub save {	1993	sub save {
…		…
1494		2038
1495	sub reset_at {	2039	sub reset_at {
1496	my ($self) = @_;	2040	my ($self) = @_;
1497		2041
1498	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");
1500	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1501		2044
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		2047
…		…
1509	my ($self) = @_;	2052	my ($self) = @_;
1510		2053
1511	$self->reset_at <= $cf::RUNTIME	2054	$self->reset_at <= $cf::RUNTIME
1512	}	2055	}
1513		2056
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	2057	sub reset {
1529	my ($self) = @_;	2058	my ($self) = @_;
1530		2059
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2061
1533	return if $self->players;	2062	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		2063
1536	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
		2065
		2066	$self->in_memory (cf::MAP_SWAPPED);
		2067
		2068	# need to save uniques path
		2069	unless ($self->{deny_save}) {
		2070	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2071
		2072	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2073	if $uniq;
		2074	}
1537		2075
1538	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
1539		2077
1540	$self->in_memory (cf::MAP_SWAPPED);
1541	$self->clear;	2078	$self->clear;
1542		2079
1543	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1544		2081
1545	$self->unlink_save;	2082	$self->unlink_save;
…		…
1549	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1550		2087
1551	sub nuke {	2088	sub nuke {
1552	my ($self) = @_;	2089	my ($self) = @_;
1553		2090
		2091	delete $cf::MAP{$self->path};
		2092
		2093	$self->unlink_save;
		2094
		2095	bless $self, "cf::map";
		2096	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	2097	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	2098	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2100
		2101	$cf::MAP{$self->path} = $self;
		2102
1557	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
		2104	}
		2105
		2106	=item $maps = cf::map::tmp_maps
		2107
		2108	Returns an arrayref with all map paths of currently instantiated and saved
		2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
		2114	[
		2115	map {
		2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
		2122	}
		2123
		2124	=item $maps = cf::map::random_maps
		2125
		2126	Returns an arrayref with all map paths of currently instantiated and saved
		2127	random maps. May block.
		2128
		2129	=cut
		2130
		2131	sub random_maps() {
		2132	[
		2133	map {
		2134	utf8::decode $_;
		2135	/\.map$/
		2136	? normalise "?random/$_"
		2137	: ()
		2138	} @{ aio_readdir $RANDOMDIR or [] }
		2139	]
1558	}	2140	}
1559		2141
1560	=item cf::map::unique_maps	2142	=item cf::map::unique_maps
1561		2143
1562	Returns an arrayref of paths of all shared maps that have	2144	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	2145	instantiated unique items. May block.
1564		2146
1565	=cut	2147	=cut
1566		2148
1567	sub unique_maps() {	2149	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2150	[
1569	or return;	2151	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	2152	utf8::decode $_;
1575	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;
1577
1578	s/\.map$//;	2153	/\.map$/
1579	push @paths, $_;	2154	? normalise $_
		2155	: ()
		2156	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	2157	]
1581
1582	\@paths
1583	}	2158	}
1584		2159
1585	package cf;	2160	package cf;
1586		2161
1587	=back	2162	=back
…		…
1633		2208
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2210
1636	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1638	} else {	2214	} else {
		2215	my $pl = $self->contr;
		2216
		2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2218	my $diag = $pl->{npc_dialog};
		2219	$diag->{pl}->ext_reply (
		2220	$diag->{id},
		2221	msgtype => "reply",
		2222	msg => $diag->{pl}->expand_cfpod ($msg),
		2223	add_topics => []
		2224	);
		2225
		2226	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1641	}	2230	}
1642	}	2231	}
1643		2232
1644	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1645		2234
…		…
1678	=cut	2267	=cut
1679		2268
1680	sub link_map {	2269	sub link_map {
1681	unless ($LINK_MAP) {	2270	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2271	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2272	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2273	$LINK_MAP->load;
1685	}	2274	}
1686		2275
1687	$LINK_MAP	2276	$LINK_MAP
1688	}	2277	}
…		…
1693	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1694		2283
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2285
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1699		2288
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	2290	}
1702		2291
1703	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1705		2296
1706	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1707		2298
1708	unless ($map) {	2299	unless ($map) {
1709	# restore original map position	2300	# restore original map position
…		…
1727	$map->load;	2318	$map->load;
1728	$map->load_diag;	2319	$map->load_diag;
1729		2320
1730	return unless $self->contr->active;	2321	return unless $self->contr->active;
1731	$self->activate_recursive;	2322	$self->activate_recursive;
		2323
		2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1733	}	2326	}
1734		2327
1735	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1736	on_logout => sub {
1737	my ($pl) = @_;
1738		2329
1739	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1740	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1741	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1742	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1743	};	2334	be called at the end of this process.
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748		2335
1749	# try to abort aborted map switching on player login :)
1750	# should happen only on crashes
1751	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;
1753	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "
1758	. "the server will try to bring you to your intended destination in a second.",
1759	cf::NDI_RED);
1760	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;
1762	})->prio (2);
1763	}
1764	},
1765	);
1766
1767	=item $player_object->goto ($path, $x, $y)
1768
1769	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1770		2339
1771	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1772	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
		2342
		2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1773		2345
1774	$self->enter_link;	2346	$self->enter_link;
1775		2347
1776	(async {	2348	(async {
		2349	my $map = eval {
1777	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
1779		2354	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2355	} else {
1781	# if $map;
1782
1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
1784		2358
		2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
		2365	}
		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1785	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1786	})->prio (1);	2373	})->prio (1);
1787	}	2374	}
1788		2375
1789	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1790		2377
…		…
1792		2379
1793	sub parse_random_map_params {	2380	sub parse_random_map_params {
1794	my ($spec) = @_;	2381	my ($spec) = @_;
1795		2382
1796	my $rmp = { # defaults	2383	my $rmp = { # defaults
1797	xsize => 10,	2384	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2385	ysize => (cf::rndm 15, 40),
		2386	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2387	#layout => string,
1799	};	2388	};
1800		2389
1801	for (split /\n/, $spec) {	2390	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2391	my ($k, $v) = split /\s+/, $_, 2;
1803		2392
…		…
1807	$rmp	2396	$rmp
1808	}	2397	}
1809		2398
1810	sub prepare_random_map {	2399	sub prepare_random_map {
1811	my ($exit) = @_;	2400	my ($exit) = @_;
		2401
		2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2403
1813	# all this does is basically replace the /! path by	2404	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2405	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2406	# that depends on the exit object
1816		2407
1817	my $rmp = parse_random_map_params $exit->msg;	2408	my $rmp = parse_random_map_params $exit->msg;
1818		2409
1819	if ($exit->map) {	2410	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2411	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2412	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2413	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2414	$rmp->{origin_y} = $exit->y;
1824	}	2415	}
1825		2416
1826	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1827		2418
1828	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
		2421	my $meta = "$RANDOMDIR/$md5.meta";
1830		2422
1831	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
		2425	undef $fh;
		2426	aio_rename "$meta~", $meta;
1833		2427
1834	$exit->slaying ("?random/$md5");	2428	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2429	$exit->msg (undef);
1836	}	2430	}
1837	}	2431	}
…		…
1839	sub cf::object::player::enter_exit {	2433	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2434	my ($self, $exit) = @_;
1841		2435
1842	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1843		2437
		2438	if ($exit->slaying eq "/!") {
		2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2440	# the problem is that $exit might not survive long enough
		2441	# so it needs to be done right now, right here
		2442	cf::sync_job { prepare_random_map $exit };
		2443	}
		2444
		2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2446	my $hp = $exit->stats->hp;
		2447	my $sp = $exit->stats->sp;
		2448
1844	$self->enter_link;	2449	$self->enter_link;
		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
1845		2454
1846	(async {	2455	(async {
1847	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2457	unless (eval {
1849	prepare_random_map $exit	2458	$self->goto ($slaying, $hp, $sp);
1850	if $exit->slaying eq "/!";
1851
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1854		2459
1855	1;	2460	1;
1856	}) {	2461	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "I'll try to bring you back to the map you were before. "	2463	. "I'll try to bring you back to the map you were before. "
1859	. "Please report this to the dungeon master!",	2464	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2466
1862	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2468	$self->leave_link;
1864	}	2469	}
1865	})->prio (1);	2470	})->prio (1);
…		…
1878		2483
1879	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1881		2486
1882	utf8::encode $text;	2487	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2489	}
1885		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= ~cf::NDI_UNIQUE; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_event (channel_info => %$channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2521	} else {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	if ($color >= 0) {
		2533	if (0 && $msg =~ /\[/) {
		2534	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2535	} else {
		2536	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2537	$self->send_packet ("drawinfo $color $msg")
		2538	}
		2539	}
		2540	}
		2541	}
		2542
		2543	=item $client->ext_event ($type, %msg)
		2544
		2545	Sends an ext event to the client.
		2546
		2547	=cut
		2548
		2549	sub cf::client::ext_event($$%) {
		2550	my ($self, $type, %msg) = @_;
		2551
		2552	return unless $self->extcmd;
		2553
		2554	$msg{msgtype} = "event_$type";
		2555	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2556	}
1886		2557
1887	=item $success = $client->query ($flags, "text", \&cb)	2558	=item $success = $client->query ($flags, "text", \&cb)
1888		2559
1889	Queues a query to the client, calling the given callback with	2560	Queues a query to the client, calling the given callback with
1890	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2561	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1891	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2562	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1892		2563
1893	Queries can fail, so check the return code. Or don't, as queries will become	2564	Queries can fail, so check the return code. Or don't, as queries will
1894	reliable at some point in the future.	2565	become reliable at some point in the future.
1895		2566
1896	=cut	2567	=cut
1897		2568
1898	sub cf::client::query {	2569	sub cf::client::query {
1899	my ($self, $flags, $text, $cb) = @_;	2570	my ($self, $flags, $text, $cb) = @_;
…		…
1907	utf8::encode $text;	2578	utf8::encode $text;
1908	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2579	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1909		2580
1910	$self->send_packet ($self->{query_queue}[0][0])	2581	$self->send_packet ($self->{query_queue}[0][0])
1911	if @{ $self->{query_queue} } == 1;	2582	if @{ $self->{query_queue} } == 1;
		2583
		2584	1
1912	}	2585	}
1913		2586
1914	cf::client->attach (	2587	cf::client->attach (
		2588	on_connect => sub {
		2589	my ($ns) = @_;
		2590
		2591	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2592	},
1915	on_reply => sub {	2593	on_reply => sub {
1916	my ($ns, $msg) = @_;	2594	my ($ns, $msg) = @_;
1917		2595
1918	# this weird shuffling is so that direct followup queries	2596	# this weird shuffling is so that direct followup queries
1919	# get handled first	2597	# get handled first
1920	my $queue = delete $ns->{query_queue}	2598	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2599	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2600
1923	(shift @$queue)->[1]->($msg);	2601	(shift @$queue)->[1]->($msg);
		2602	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2603
1925	push @{ $ns->{query_queue} }, @$queue;	2604	push @{ $ns->{query_queue} }, @$queue;
1926		2605
1927	if (@{ $ns->{query_queue} } == @$queue) {	2606	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2607	if (@$queue) {
…		…
1930	} else {	2609	} else {
1931	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2610	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1932	}	2611	}
1933	}	2612	}
1934	},	2613	},
		2614	on_exticmd => sub {
		2615	my ($ns, $buf) = @_;
		2616
		2617	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2618
		2619	if (ref $msg) {
		2620	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2621	if (my %reply = $cb->($ns, $msg)) {
		2622	$reply{msgid} = $msg->{msgid};
		2623	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2624	}
		2625	}
		2626	} else {
		2627	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2628	}
		2629
		2630	cf::override;
		2631	},
1935	);	2632	);
1936		2633
1937	=item $client->async (\&cb)	2634	=item $client->async (\&cb)
1938		2635
1939	Create a new coroutine, running the specified callback. The coroutine will	2636	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986		2683
1987	# here we export the classes and methods available to script code	2684	# here we export the classes and methods available to script code
1988		2685
1989	=pod	2686	=pod
1990		2687
1991	The following fucntions and emthods are available within a safe environment:	2688	The following functions and methods are available within a safe environment:
1992		2689
1993	cf::object contr pay_amount pay_player map	2690	cf::object
		2691	contr pay_amount pay_player map x y force_find force_add
		2692	insert remove
		2693
1994	cf::object::player player	2694	cf::object::player
1995	cf::player peaceful	2695	player
1996	cf::map trigger	2696
		2697	cf::player
		2698	peaceful
		2699
		2700	cf::map
		2701	trigger
1997		2702
1998	=cut	2703	=cut
1999		2704
2000	for (	2705	for (
2001	["cf::object" => qw(contr pay_amount pay_player map)],	2706	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2707	insert remove)],
2002	["cf::object::player" => qw(player)],	2708	["cf::object::player" => qw(player)],
2003	["cf::player" => qw(peaceful)],	2709	["cf::player" => qw(peaceful)],
2004	["cf::map" => qw(trigger)],	2710	["cf::map" => qw(trigger)],
2005	) {	2711	) {
2006	no strict 'refs';	2712	no strict 'refs';
…		…
2077	=back	2783	=back
2078		2784
2079	=cut	2785	=cut
2080		2786
2081	#############################################################################	2787	#############################################################################
		2788	# the server's init and main functions
2082		2789
2083	=head2 EXTENSION DATABASE SUPPORT	2790	sub load_facedata($) {
		2791	my ($path) = @_;
2084		2792
2085	Crossfire maintains a very simple database for extension use. It can	2793	warn "loading facedata from $path\n";
2086	currently store anything that can be serialised using Storable, which
2087	excludes objects.
2088		2794
2089	The parameter C<$family> should best start with the name of the extension	2795	my $facedata;
2090	using it, it should be unique.	2796	0 < aio_load $path, $facedata
		2797	or die "$path: $!";
2091		2798
2092	=over 4	2799	$facedata = Coro::Storable::thaw $facedata;
2093		2800
2094	=item $hashref = cf::db_get $family	2801	$facedata->{version} == 2
		2802	or cf::cleanup "$path: version mismatch, cannot proceed.";
2095		2803
2096	Return a hashref for use by the extension C<$family>, which can be
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099
2100	=item $value = cf::db_get $family => $key
2101
2102	Returns a single value from the database
2103
2104	=item cf::db_put $family => $hashref
2105
2106	Stores the given family hashref into the database. Updates are delayed, if
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108
2109	=item cf::db_put $family => $key => $value
2110
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121
2122	=cut
2123
2124	our $DB;
2125
2126	{
2127	my $path = cf::localdir . "/database.pst";
2128
2129	sub db_load() {
2130	$DB = stat $path ? Storable::retrieve $path : { };
2131	}	2804	{
		2805	my $faces = $facedata->{faceinfo};
2132		2806
2133	my $pid;	2807	while (my ($face, $info) = each %$faces) {
		2808	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2809	cf::face::set_visibility $idx, $info->{visibility};
		2810	cf::face::set_magicmap $idx, $info->{magicmap};
		2811	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2812	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2134		2813
2135	sub db_save() {	2814	cf::cede_to_tick;
2136	waitpid $pid, 0 if $pid;
2137	if (0 == ($pid = fork)) {
2138	$DB->{_meta}{version} = 1;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}
2143	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});
2155
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}
2160
2161	sub db_get($;$) {
2162	@_ >= 2
2163	? $DB->{$_[0]}{$_[1]}
2164	: ($DB->{$_[0]} ||= { })
2165	}
2166
2167	sub db_put($$;$) {
2168	if (@_ >= 3) {
2169	$DB->{$_[0]}{$_[1]} = $_[2];
2170	} else {
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175
2176	cf::global->attach (
2177	prio => 10000,
2178	on_cleanup => sub {
2179	db_sync;
2180	},	2815	}
2181	);
2182	}
2183		2816
2184	#############################################################################	2817	while (my ($face, $info) = each %$faces) {
2185	# the server's main()	2818	next unless $info->{smooth};
		2819	my $idx = cf::face::find $face
		2820	or next;
		2821	if (my $smooth = cf::face::find $info->{smooth}) {
		2822	cf::face::set_smooth $idx, $smooth;
		2823	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2824	} else {
		2825	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2826	}
		2827
		2828	cf::cede_to_tick;
		2829	}
		2830	}
		2831
		2832	{
		2833	my $anims = $facedata->{animinfo};
		2834
		2835	while (my ($anim, $info) = each %$anims) {
		2836	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2837	cf::cede_to_tick;
		2838	}
		2839
		2840	cf::anim::invalidate_all; # d'oh
		2841	}
		2842
		2843	{
		2844	# TODO: for gcfclient pleasure, we should give resources
		2845	# that gcfclient doesn't grok a >10000 face index.
		2846	my $res = $facedata->{resource};
		2847	my $enc = JSON::XS->new->utf8->canonical;
		2848
		2849	while (my ($name, $info) = each %$res) {
		2850	my $meta = $enc->encode ({
		2851	name => $name,
		2852	type => $info->{type},
		2853	copyright => $info->{copyright}, #TODO#
		2854	});
		2855
		2856	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2857
		2858	if ($name =~ /\.jpg$/) {
		2859	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2860	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2861	} else {
		2862	my $data = pack "(w/a*)*", $meta, $info->{data};
		2863	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2864
		2865	cf::face::set_type $idx, 1;
		2866	cf::face::set_data $idx, 0, $data, $chk;
		2867	}
		2868
		2869	cf::cede_to_tick;
		2870	}
		2871	}
		2872
		2873	1
		2874	}
		2875
		2876	sub reload_regions {
		2877	load_resource_file "$MAPDIR/regions"
		2878	or die "unable to load regions file\n";
		2879
		2880	for (cf::region::list) {
		2881	$_->{match} = qr/$_->{match}/
		2882	if exists $_->{match};
		2883	}
		2884	}
		2885
		2886	sub reload_facedata {
		2887	load_facedata "$DATADIR/facedata"
		2888	or die "unable to load facedata\n";
		2889	}
		2890
		2891	sub reload_archetypes {
		2892	load_resource_file "$DATADIR/archetypes"
		2893	or die "unable to load archetypes\n";
		2894	#d# NEED to laod twice to resolve forward references
		2895	# this really needs to be done in an extra post-pass
		2896	# (which needs to be synchronous, so solve it differently)
		2897	load_resource_file "$DATADIR/archetypes"
		2898	or die "unable to load archetypes\n";
		2899	}
		2900
		2901	sub reload_treasures {
		2902	load_resource_file "$DATADIR/treasures"
		2903	or die "unable to load treasurelists\n";
		2904	}
		2905
		2906	sub reload_resources {
		2907	warn "reloading resource files...\n";
		2908
		2909	reload_regions;
		2910	reload_facedata;
		2911	#reload_archetypes;#d#
		2912	reload_archetypes;
		2913	reload_treasures;
		2914
		2915	warn "finished reloading resource files\n";
		2916	}
		2917
		2918	sub init {
		2919	reload_resources;
		2920	}
2186		2921
2187	sub cfg_load {	2922	sub cfg_load {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	2923	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	2924	or return;
2190		2925
2191	local $/;	2926	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	2927	*CFG = YAML::Syck::Load <$fh>;
2193		2928
…		…
2207		2942
2208	sub main {	2943	sub main {
2209	# we must not ever block the main coroutine	2944	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	2945	local $Coro::idle = sub {
2211	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2946	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2947	(async {
2212	async { Event::one_event };	2948	Event::one_event;
		2949	})->prio (Coro::PRIO_MAX);
2213	};	2950	};
2214		2951
2215	cfg_load;	2952	cfg_load;
2216	db_load;	2953	db_init;
2217	load_extensions;	2954	load_extensions;
		2955
		2956	$TICK_WATCHER->start;
2218	Event::loop;	2957	Event::loop;
2219	}	2958	}
2220		2959
2221	#############################################################################	2960	#############################################################################
2222	# initialisation and cleanup	2961	# initialisation and cleanup
2223		2962
2224	# install some emergency cleanup handlers	2963	# install some emergency cleanup handlers
2225	BEGIN {	2964	BEGIN {
2226	for my $signal (qw(INT HUP TERM)) {	2965	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	2966	Event->signal (
		2967	reentrant => 0,
2228	data => WF_AUTOCANCEL,	2968	data => WF_AUTOCANCEL,
2229	signal => $signal,	2969	signal => $signal,
		2970	prio => 0,
2230	cb => sub {	2971	cb => sub {
2231	cf::cleanup "SIG$signal";	2972	cf::cleanup "SIG$signal";
2232	},	2973	},
2233	);	2974	);
2234	}	2975	}
		2976	}
		2977
		2978	sub write_runtime {
		2979	my $runtime = "$LOCALDIR/runtime";
		2980
		2981	# first touch the runtime file to show we are still running:
		2982	# the fsync below can take a very very long time.
		2983
		2984	IO::AIO::aio_utime $runtime, undef, undef;
		2985
		2986	my $guard = cf::lock_acquire "write_runtime";
		2987
		2988	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2989	or return;
		2990
		2991	my $value = $cf::RUNTIME + 90 + 10;
		2992	# 10 is the runtime save interval, for a monotonic clock
		2993	# 60 allows for the watchdog to kill the server.
		2994
		2995	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2996	and return;
		2997
		2998	# always fsync - this file is important
		2999	aio_fsync $fh
		3000	and return;
		3001
		3002	# touch it again to show we are up-to-date
		3003	aio_utime $fh, undef, undef;
		3004
		3005	close $fh
		3006	or return;
		3007
		3008	aio_rename "$runtime~", $runtime
		3009	and return;
		3010
		3011	warn "runtime file written.\n";
		3012
		3013	1
2235	}	3014	}
2236		3015
2237	sub emergency_save() {	3016	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	3017	my $freeze_guard = cf::freeze_mainloop;
2239		3018
…		…
2256	my $map = $cf::MAP{$path} or next;	3035	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	3036	$map->valid or next;
2258	$map->save;	3037	$map->save;
2259	}	3038	}
2260	warn "end emergency map save\n";	3039	warn "end emergency map save\n";
		3040
		3041	warn "begin emergency database checkpoint\n";
		3042	BDB::db_env_txn_checkpoint $DB_ENV;
		3043	warn "end emergency database checkpoint\n";
2261	};	3044	};
2262		3045
2263	warn "leave emergency perl save\n";	3046	warn "leave emergency perl save\n";
2264	}	3047	}
2265		3048
		3049	sub post_cleanup {
		3050	my ($make_core) = @_;
		3051
		3052	warn Carp::longmess "post_cleanup backtrace"
		3053	if $make_core;
		3054	}
		3055
2266	sub reload() {	3056	sub do_reload_perl() {
2267	# can/must only be called in main	3057	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	3058	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	3059	warn "can only reload from main coroutine";
2270	return;	3060	return;
2271	}	3061	}
2272		3062
2273	warn "reloading...";	3063	warn "reloading...";
2274		3064
2275	warn "freezing server";	3065	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	3066
		3067	cf::sync_job {
		3068	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	3069	cf::emergency_save;
		3070	cf::write_runtime; # external watchdog should not bark
2278		3071
2279	warn "sync database to disk";	3072	warn "syncing database to disk";
2280	cf::db_sync;	3073	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		3074
2283	eval {
2284	# if anything goes wrong in here, we should simply crash as we already saved	3075	# if anything goes wrong in here, we should simply crash as we already saved
2285		3076
2286	warn "cancel all watchers";	3077	warn "cancelling all WF_AUTOCANCEL watchers";
2287	for (Event::all_watchers) {	3078	for (Event::all_watchers) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	3079	$_->cancel if $_->data & WF_AUTOCANCEL;
2289	}	3080	}
2290		3081
		3082	warn "flushing outstanding aio requests";
		3083	for (;;) {
		3084	BDB::flush;
		3085	IO::AIO::flush;
		3086	Coro::cede;
		3087	last unless IO::AIO::nreqs || BDB::nreqs;
		3088	warn "iterate...";
		3089	}
		3090
		3091	++$RELOAD;
		3092
2291	warn "cancel all extension coros";	3093	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	3094	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	3095	%EXT_CORO = ();
2294		3096
2295	warn "remove commands";	3097	warn "removing commands";
2296	%COMMAND = ();	3098	%COMMAND = ();
2297		3099
2298	warn "remove ext commands";	3100	warn "removing ext/exti commands";
2299	%EXTCMD = ();	3101	%EXTCMD = ();
		3102	%EXTICMD = ();
2300		3103
2301	warn "unload/nuke all extensions";	3104	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	3105	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	3106	warn "... unloading $pkg";
2304		3107
2305	if (my $cb = $pkg->can ("unload")) {	3108	if (my $cb = $pkg->can ("unload")) {
2306	eval {	3109	eval {
…		…
2311		3114
2312	warn "... nuking $pkg";	3115	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	3116	Symbol::delete_package $pkg;
2314	}	3117	}
2315		3118
2316	warn "unload all perl modules loaded from $LIBDIR";	3119	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	3120	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3121	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		3122
2320	warn "removing <$k>";	3123	warn "... unloading $k";
2321	delete $INC{$k};	3124	delete $INC{$k};
2322		3125
2323	$k =~ s/\.pm$//;	3126	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	3127	$k =~ s/\//::/g;
2325		3128
…		…
2328	}	3131	}
2329		3132
2330	Symbol::delete_package $k;	3133	Symbol::delete_package $k;
2331	}	3134	}
2332		3135
2333	warn "get rid of safe::, as good as possible";	3136	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	3137	Symbol::delete_package "safe::$_"
2335	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3138	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2336		3139
2337	warn "unload cf.pm \"a bit\"";	3140	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	3141	delete $INC{"cf.pm"};
		3142	delete $INC{"cf/pod.pm"};
2339		3143
2340	# don't, removes xs symbols, too,	3144	# don't, removes xs symbols, too,
2341	# and global variables created in xs	3145	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	3146	#Symbol::delete_package __PACKAGE__;
2343		3147
		3148	warn "unload completed, starting to reload now";
		3149
2344	warn "reloading cf.pm";	3150	warn "reloading cf.pm";
2345	require cf;	3151	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3152	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		3153
2348	warn "load config and database again";	3154	warn "loading config and database again";
2349	cf::cfg_load;	3155	cf::cfg_load;
2350	cf::db_load;
2351		3156
2352	warn "load extensions";	3157	warn "loading extensions";
2353	cf::load_extensions;	3158	cf::load_extensions;
2354		3159
2355	warn "reattach attachments to objects/players";	3160	warn "reattaching attachments to objects/players";
2356	_global_reattach;	3161	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	3162	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	3163	reattach $_ for values %MAP;
2359	};	3164	warn "reattaching attachments to players";
		3165	reattach $_ for values %PLAYER;
2360		3166
2361	if ($@) {	3167	warn "leaving sync_job";
		3168
		3169	1
		3170	} or do {
2362	warn $@;	3171	warn $@;
2363	warn "error while reloading, exiting.";	3172	warn "error while reloading, exiting.";
2364	exit 1;	3173	exit 1;
2365	}	3174	};
2366		3175
2367	warn "reloaded";	3176	warn "reloaded";
2368	};	3177	};
2369		3178
		3179	our $RELOAD_WATCHER; # used only during reload
		3180
		3181	sub reload_perl() {
		3182	# doing reload synchronously and two reloads happen back-to-back,
		3183	# coro crashes during coro_state_free->destroy here.
		3184
		3185	$RELOAD_WATCHER ||= Event->timer (
		3186	reentrant => 0,
		3187	after => 0,
		3188	data => WF_AUTOCANCEL,
		3189	cb => sub {
		3190	do_reload_perl;
		3191	undef $RELOAD_WATCHER;
		3192	},
		3193	);
		3194	}
		3195
2370	register_command "reload" => sub {	3196	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	3197	my ($who, $arg) = @_;
2372		3198
2373	if ($who->flag (FLAG_WIZ)) {	3199	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	3200	$who->message ("reloading server.");
		3201	async { reload_perl };
2377	}	3202	}
2378	};	3203	};
2379		3204
2380	unshift @INC, $LIBDIR;	3205	unshift @INC, $LIBDIR;
2381		3206
		3207	my $bug_warning = 0;
		3208
		3209	our @WAIT_FOR_TICK;
		3210	our @WAIT_FOR_TICK_BEGIN;
		3211
		3212	sub wait_for_tick {
		3213	return unless $TICK_WATCHER->is_active;
		3214	return if $Coro::current == $Coro::main;
		3215
		3216	my $signal = new Coro::Signal;
		3217	push @WAIT_FOR_TICK, $signal;
		3218	$signal->wait;
		3219	}
		3220
		3221	sub wait_for_tick_begin {
		3222	return unless $TICK_WATCHER->is_active;
		3223	return if $Coro::current == $Coro::main;
		3224
		3225	my $signal = new Coro::Signal;
		3226	push @WAIT_FOR_TICK_BEGIN, $signal;
		3227	$signal->wait;
		3228	}
		3229
		3230	my $min = 1e6;#d#
		3231	my $avg = 10;
2382	$TICK_WATCHER = Event->timer (	3232	$TICK_WATCHER = Event->timer (
2383	reentrant => 0,	3233	reentrant => 0,
		3234	parked => 1,
2384	prio => 0,	3235	prio => 0,
2385	at => $NEXT_TICK || $TICK,	3236	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,	3237	data => WF_AUTOCANCEL,
2387	cb => sub {	3238	cb => sub {
		3239	if ($Coro::current != $Coro::main) {
		3240	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3241	unless ++$bug_warning > 10;
		3242	return;
		3243	}
		3244
2388	$NOW = Event::time;	3245	$NOW = $tick_start = Event::time;
2389		3246
2390	cf::server_tick; # one server iteration	3247	cf::server_tick; # one server iteration
		3248
		3249	0 && sync_job {#d#
		3250	for(1..10) {
		3251	my $t = Event::time;
		3252	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3253	or die;
		3254
		3255	$map->width (50);
		3256	$map->height (50);
		3257	$map->alloc;
		3258	$map->_load_objects ("/tmp/x.map", 1);
		3259	my $t = Event::time - $t;
		3260
		3261	#next unless $t < 0.0013;#d#
		3262	if ($t < $min) {
		3263	$min = $t;
		3264	}
		3265	$avg = $avg * 0.99 + $t * 0.01;
		3266	}
		3267	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3268	exit 0;
		3269	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3270	};
		3271
2391	$RUNTIME += $TICK;	3272	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	3273	$NEXT_TICK += $TICK;
2393		3274
2394	$WAIT_FOR_TICK->broadcast;	3275	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3276	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3277	Coro::async_pool {
		3278	write_runtime
		3279	or warn "ERROR: unable to write runtime file: $!";
		3280	};
		3281	}
		3282
		3283	# my $AFTER = Event::time;
		3284	# warn $AFTER - $NOW;#d#
		3285
		3286	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3287	$sig->send;
		3288	}
		3289	while (my $sig = shift @WAIT_FOR_TICK) {
		3290	$sig->send;
		3291	}
		3292
		3293	$NOW = Event::time;
2396		3294
2397	# if we are delayed by four ticks or more, skip them all	3295	# if we are delayed by four ticks or more, skip them all
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3296	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2399		3297
2400	$TICK_WATCHER->at ($NEXT_TICK);	3298	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;	3299	$TICK_WATCHER->start;
		3300
		3301	$LOAD = ($NOW - $tick_start) / $TICK;
		3302	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3303
		3304	_post_tick;
		3305
		3306
2402	},	3307	},
2403	);	3308	);
2404		3309
		3310	{
2405	IO::AIO::max_poll_time $TICK * 0.2;	3311	BDB::max_poll_time $TICK * 0.1;
2406		3312	$BDB_POLL_WATCHER = Event->io (
2407	Event->io (	3313	reentrant => 0,
2408	fd => IO::AIO::poll_fileno,	3314	fd => BDB::poll_fileno,
2409	poll => 'r',	3315	poll => 'r',
2410	prio => 5,	3316	prio => 0,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,	3317	data => WF_AUTOCANCEL,
2417	after => 0,	3318	cb => \&BDB::poll_cb,
2418	interval => 10,	3319	);
2419	cb => sub {	3320	BDB::min_parallel 8;
2420	(Coro::unblock_sub {	3321
2421	write_runtime	3322	BDB::set_sync_prepare {
2422	or warn "ERROR: unable to write runtime file: $!";	3323	my $status;
		3324	my $current = $Coro::current;
		3325	(
		3326	sub {
		3327	$status = $!;
		3328	$current->ready; undef $current;
		3329	},
		3330	sub {
		3331	Coro::schedule while defined $current;
		3332	$! = $status;
		3333	},
		3334	)
		3335	};
		3336
		3337	unless ($DB_ENV) {
		3338	$DB_ENV = BDB::db_env_create;
		3339
		3340	cf::sync_job {
		3341	eval {
		3342	BDB::db_env_open
		3343	$DB_ENV,
		3344	$BDBDIR,
		3345	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3346	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3347	0666;
		3348
		3349	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3350
		3351	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3352	$DB_ENV->set_lk_detect;
		3353	};
		3354
		3355	cf::cleanup "db_env_open(db): $@" if $@;
2423	})->();	3356	};
2424	},	3357	}
2425	);	3358	}
		3359
		3360	{
		3361	IO::AIO::min_parallel 8;
		3362
		3363	undef $Coro::AIO::WATCHER;
		3364	IO::AIO::max_poll_time $TICK * 0.1;
		3365	$AIO_POLL_WATCHER = Event->io (
		3366	reentrant => 0,
		3367	data => WF_AUTOCANCEL,
		3368	fd => IO::AIO::poll_fileno,
		3369	poll => 'r',
		3370	prio => 6,
		3371	cb => \&IO::AIO::poll_cb,
		3372	);
		3373	}
		3374
		3375	my $_log_backtrace;
		3376
		3377	sub _log_backtrace {
		3378	my ($msg, @addr) = @_;
		3379
		3380	$msg =~ s/\n//;
		3381
		3382	# limit the # of concurrent backtraces
		3383	if ($_log_backtrace < 2) {
		3384	++$_log_backtrace;
		3385	async {
		3386	my @bt = fork_call {
		3387	@addr = map { sprintf "%x", $_ } @addr;
		3388	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3389	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3390	or die "addr2line: $!";
		3391
		3392	my @funcs;
		3393	my @res = <$fh>;
		3394	chomp for @res;
		3395	while (@res) {
		3396	my ($func, $line) = splice @res, 0, 2, ();
		3397	push @funcs, "[$func] $line";
		3398	}
		3399
		3400	@funcs
		3401	};
		3402
		3403	LOG llevInfo, "[ABT] $msg\n";
		3404	LOG llevInfo, "[ABT] $_\n" for @bt;
		3405	--$_log_backtrace;
		3406	};
		3407	} else {
		3408	LOG llevInfo, "[ABT] $msg\n";
		3409	LOG llevInfo, "[ABT] [suppressed]\n";
		3410	}
		3411	}
		3412
		3413	# load additional modules
		3414	use cf::pod;
2426		3415
2427	END { cf::emergency_save }	3416	END { cf::emergency_save }
2428		3417
2429	1	3418	1
2430		3419

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