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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 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;
49	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	79	our $NEXT_TICK;
52	our $NOW;	80	our $NOW;
		81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
53		85
54	our %CFG;	86	our %CFG;
55		87
56	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	89	our $RUNTIME;
58		90
59	our %PLAYER; # all users	91	our %PLAYER; # all users
60	our %MAP; # all maps	92	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		94
67	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
70	binmode STDOUT;	102	binmode STDOUT;
71	binmode STDERR;	103	binmode STDERR;
72		104
73	# read virtual server time, if available	105	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
78	}	110	}
79		111
80	mkdir cf::localdir;	112	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		114
86	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
87		118
88	#############################################################################	119	#############################################################################
89		120
90	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
91		122
…		…
98	=item $cf::RUNTIME	129	=item $cf::RUNTIME
99		130
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	132	every server tick.
102		133
103	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		137
105	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
107		142
108	=item $cf::NOW	143	=item $cf::NOW
109		144
110	The time of the last (current) server tick.	145	The time of the last (current) server tick.
111		146
112	=item $cf::TICK	147	=item $cf::TICK
113		148
114	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
115		160
116	=item %cf::CFG	161	=item %cf::CFG
117		162
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	164	from wherever your confdir points to.
120		165
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		167
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
127		177
128	=back	178	=back
129		179
130	=cut	180	=cut
131		181
132	BEGIN {	182	BEGIN {
133	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	184	my $msg = join "", @_;
135	utf8::encode $msg;
136		185
137	$msg .= "\n"	186	$msg .= "\n"
138	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
139		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
140	LOG llevError, $msg;	192	LOG llevError, $msg;
141	};	193	};
142	}	194	}
143		195
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		203
151	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	205	# within the Safe compartment.
153	for my $pkg (qw(	206	for my $pkg (qw(
154	cf::global cf::attachable	207	cf::global cf::attachable
…		…
162	}	215	}
163		216
164	$Event::DIED = sub {	217	$Event::DIED = sub {
165	warn "error in event callback: @_";	218	warn "error in event callback: @_";
166	};	219	};
		220
		221	#############################################################################
167		222
168	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
169		224
170	=over 4	225	=over 4
171		226
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	246	$d
192	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
193	}	248	}
194		249
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
198		251
199	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
200		253
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
209		255
210	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
211		257
212	=cut	258	=cut
213		259
214	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
216	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
218		264
219	=item cf::lock_wait $string	265	=item cf::lock_wait $string
220		266
221	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
222		268
…		…
228	returned.	274	returned.
229		275
230	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
232		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
233	=cut	283	=cut
234		284
235	our %LOCK;	285	our %LOCK;
236		286
237	sub lock_wait($) {	287	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
258	}	308	}
259	}	309	}
260		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
261	sub freeze_mainloop {	317	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
263		319
264	my $guard = Coro::guard {	320	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	322	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
270	$guard	324	$guard
		325	}
		326
		327	=item cf::get_slot $time[, $priority]
		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	$sig->wait;
271	}	375	}
272		376
273	=item cf::async { BLOCK }	377	=item cf::async { BLOCK }
274		378
275	Currently the same as Coro::async_pool, meaning you cannot use	379	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		384
281	BEGIN { *async = \&Coro::async_pool }	385	BEGIN { *async = \&Coro::async_pool }
282		386
283	=item cf::sync_job { BLOCK }	387	=item cf::sync_job { BLOCK }
284		388
285	The design of crossfire+ requires that the main coro ($Coro::main) is	389	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	390	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	391	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		392	acceptable.
288		393
289	If it must be done, put the blocking parts into C<sync_job>. This will run	394	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	395	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	396	server will be frozen during this time, so the block should either finish
292	fast or be very important.	397	fast or be very important.
…		…
295		400
296	sub sync_job(&) {	401	sub sync_job(&) {
297	my ($job) = @_;	402	my ($job) = @_;
298		403
299	if ($Coro::current == $Coro::main) {	404	if ($Coro::current == $Coro::main) {
		405	my $time = Event::time;
		406
300	# this is the main coro, too bad, we have to block	407	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	408	# till the operation succeeds, freezing the server :/
302		409
303	# TODO: use suspend/resume instead	410	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	411	# (but this is cancel-safe)
…		…
315		422
316	while ($busy) {	423	while ($busy) {
317	Coro::cede or Event::one_event;	424	Coro::cede or Event::one_event;
318	}	425	}
319		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
320	wantarray ? @res : $res[0]	434	wantarray ? @res : $res[0]
321	} else {	435	} else {
322	# we are in another coroutine, how wonderful, everything just works	436	# we are in another coroutine, how wonderful, everything just works
323		437
324	$job->()	438	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	457	$EXT_CORO{$coro+0} = $coro;
344		458
345	$coro	459	$coro
346	}	460	}
347		461
348	sub write_runtime {	462	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		463
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	464	Executes the given code block with the given arguments in a seperate
352	or return;	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.
353		468
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	469	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		470
358	aio_fsync $fh	471	sub _store_scalar {
359	and return;	472	open my $fh, ">", \my $buf
360		473	or die "fork_call: cannot open fh-to-buf in child : $!";
		474	Storable::store_fd $_[0], $fh;
361	close $fh	475	close $fh;
362	or return;
363		476
364	aio_rename "$runtime~", $runtime	477	$buf
365	and return;	478	}
366		479
		480	sub fork_call(&@) {
		481	my ($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 $$res unless "ARRAY" eq ref $res;
		498
		499	return wantarray ? @$res : $res->[-1];
		500	} else {
		501	reset_signals;
		502	local $SIG{__WARN__};
		503	local $SIG{__DIE__};
		504	# just in case, this hack effectively disables event
		505	# in the child. cleaner and slower would be canceling all watchers,
		506	# but this works for the time being.
		507	local $Coro::idle;
		508	$Coro::current->prio (Coro::PRIO_MAX);
		509
		510	eval {
		511	close $fh1;
		512
		513	my @res = eval { $cb->(@args) };
		514
		515	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		516	close $fh2;
		517	};
		518
		519	warn $@ if $@;
		520	_exit 0;
367	1	521	}
		522	}
		523
		524	=item $value = cf::db_get $family => $key
		525
		526	Returns a single value from the environment database.
		527
		528	=item cf::db_put $family => $key => $value
		529
		530	Stores the given C<$value> in the family. It can currently store binary
		531	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		532
		533	=cut
		534
		535	our $DB;
		536
		537	sub db_init {
		538	unless ($DB) {
		539	$DB = BDB::db_create $DB_ENV;
		540
		541	cf::sync_job {
		542	eval {
		543	$DB->set_flags (BDB::CHKSUM);
		544
		545	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		546	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		547	cf::cleanup "db_open(db): $!" if $!;
		548	};
		549	cf::cleanup "db_open(db): $@" if $@;
		550	};
		551	}
		552	}
		553
		554	sub db_get($$) {
		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 });
368	}	649	}
369		650
370	=back	651	=back
371		652
372	=cut	653	=cut
…		…
379	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")
380	to it. All such attachable objects support the following methods.	661	to it. All such attachable objects support the following methods.
381		662
382	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>
383	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
384	crossfire+).	665	Crossfire TRT).
385		666
386	=over 4	667	=over 4
387		668
388	=item $attachable->attach ($attachment, key => $value...)	669	=item $attachable->attach ($attachment, key => $value...)
389		670
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	784	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	785	our @CB_MAP = ();
505		786
506	my %attachment;	787	my %attachment;
507		788
		789	sub cf::attachable::thawer_merge {
		790	# simply override everything except _meta
		791	local $_[0]{_meta};
		792	%{$_[0]} = %{$_[1]};
		793	}
		794
508	sub _attach_cb($$$$) {	795	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	796	my ($registry, $event, $prio, $cb) = @_;
510		797
511	use sort 'stable';	798	use sort 'stable';
512		799
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	833	$registry = $CB_TYPE[$object_type] ||= [];
547		834
548	} elsif ($type eq "subtype") {	835	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	836	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	837	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	838	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		839
553	} elsif ($type eq "package") {	840	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	841	my $pkg = shift @arg;
555		842
556	while (my ($name, $id) = each %cb_id) {	843	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	872	_attach $registry, $klass, @attach;
586	}	873	}
587		874
588	$obj->{$name} = \%arg;	875	$obj->{$name} = \%arg;
589	} else {	876	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	877	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	878	}
592		879
593	$obj->{_attachment}{$name} = undef;	880	$obj->{_attachment}{$name} = undef;
594	}	881	}
595		882
…		…
597	if (ref $_[0]) {	884	if (ref $_[0]) {
598	_object_attach @_;	885	_object_attach @_;
599	} else {	886	} else {
600	_attach shift->_attach_registry, @_;	887	_attach shift->_attach_registry, @_;
601	}	888	}
		889	_recalc_want;
602	};	890	};
603		891
604	# all those should be optimised	892	# all those should be optimised
605	sub cf::attachable::detach {	893	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	894	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	897	delete $obj->{_attachment}{$name};
610	reattach ($obj);	898	reattach ($obj);
611	} else {	899	} else {
612	Carp::croak "cannot, currently, detach class attachments";	900	Carp::croak "cannot, currently, detach class attachments";
613	}	901	}
		902	_recalc_want;
614	};	903	};
615		904
616	sub cf::attachable::attached {	905	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	906	my ($obj, $name) = @_;
618		907
…		…
633	";	922	";
634	die if $@;	923	die if $@;
635	}	924	}
636		925
637	our $override;	926	our $override;
638	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?
639		928
640	sub override {	929	sub override {
641	$override = 1;	930	$override = 1;
642	@invoke_results = ();	931	@INVOKE_RESULTS = (@_);
643	}	932	}
644		933
645	sub do_invoke {	934	sub do_invoke {
646	my $event = shift;	935	my $event = shift;
647	my $callbacks = shift;	936	my $callbacks = shift;
648		937
649	@invoke_results = ();	938	@INVOKE_RESULTS = ();
650		939
651	local $override;	940	local $override;
652		941
653	for (@$callbacks) {	942	for (@$callbacks) {
654	eval { &{$_->[1]} };	943	eval { &{$_->[1]} };
…		…
671		960
672	Generate an object-specific event with the given arguments.	961	Generate an object-specific event with the given arguments.
673		962
674	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
675	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
676	results (if you must, access C<@cf::invoke_results> directly).	965	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		966
678	=back	967	=back
679		968
680	=cut	969	=cut
681		970
682	#############################################################################	971	#############################################################################
683	# 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	}
684		984
685	sub reattach {	985	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	986	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	987	my ($obj) = @_;
		988
		989	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		990
689	my $registry = $obj->registry;	991	my $registry = $obj->registry;
690		992
691	@$registry = ();	993	@$registry = ();
692		994
…		…
739	$filename, length $$rdata, scalar @$objs;	1041	$filename, length $$rdata, scalar @$objs;
740		1042
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1043	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	1044	chmod SAVE_MODE, $fh;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1045	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
744	aio_fsync $fh;	1046	aio_fsync $fh if $cf::USE_FSYNC;
745	close $fh;	1047	close $fh;
746		1048
747	if (@$objs) {	1049	if (@$objs) {
748	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) {
749	chmod SAVE_MODE, $fh;	1051	chmod SAVE_MODE, $fh;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	1052	my $data = Storable::nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	1053	aio_write $fh, 0, (length $data), $data, 0;
752	aio_fsync $fh;	1054	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1055	close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	1056	aio_rename "$filename.pst~", "$filename.pst";
755	}	1057	}
756	} else {	1058	} else {
757	aio_unlink "$filename.pst";	1059	aio_unlink "$filename.pst";
…		…
789	or return;	1091	or return;
790	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
791	}	1093	}
792		1094
793	warn sprintf "loading %s (%d)\n",	1095	warn sprintf "loading %s (%d)\n",
794	$filename, length $data, scalar @{$av || []};#d#	1096	$filename, length $data, scalar @{$av || []};
795	return ($data, $av);	1097	return ($data, $av);
796	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
797		1105
798	#############################################################################	1106	#############################################################################
799	# command handling &c	1107	# command handling &c
800		1108
801	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
814	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
815	}	1123	}
816		1124
817	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
818		1126
819	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.
820		1132
821	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
822	called.	1134	called.
823		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
824	=cut	1147	=cut
825		1148
826	sub register_extcmd {	1149	sub register_extcmd {
827	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
828		1151
829	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
830	}	1159	}
831		1160
832	cf::player->attach (	1161	cf::player->attach (
833	on_command => sub {	1162	on_command => sub {
834	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
843	cf::override;	1172	cf::override;
844	},	1173	},
845	on_extcmd => sub {	1174	on_extcmd => sub {
846	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
847		1176
848	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
849		1178
850	if (ref $msg) {	1179	if (ref $msg) {
851	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1180	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
852	if (my %reply = $cb->($pl, $msg)) {	1181	if (my %reply = $cb->($pl, $msg)) {
853	$pl->ext_reply ($msg->{msgid}, %reply);	1182	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
859		1188
860	cf::override;	1189	cf::override;
861	},	1190	},
862	);	1191	);
863		1192
864	sub load_extension {
865	my ($path) = @_;
866
867	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
868	my $base = $1;
869	my $pkg = $1;
870	$pkg =~ s/[^[:word:]]/_/g;
871	$pkg = "ext::$pkg";
872
873	warn "... loading '$path' into '$pkg'\n";
874
875	open my $fh, "<:utf8", $path
876	or die "$path: $!";
877
878	my $source =
879	"package $pkg; use strict; use utf8;\n"
880	. "#line 1 \"$path\"\n{\n"
881	. (do { local $/; <$fh> })
882	. "\n};\n1";
883
884	unless (eval $source) {
885	my $msg = $@ ? "$path: $@\n"
886	: "extension disabled.\n";
887	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888	warn $@;
889	warn "mandatory extension failed to load, exiting.\n";
890	exit 1;
891	}
892	die $@;
893	}
894
895	push @EXTS, $pkg;
896	}
897
898	sub load_extensions {	1193	sub load_extensions {
		1194	cf::sync_job {
		1195	my %todo;
		1196
899	for my $ext (<$LIBDIR/*.ext>) {	1197	for my $path (<$LIBDIR/*.ext>) {
900	next unless -r $ext;	1198	next unless -r $path;
901	eval {	1199
902	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;
903	1	1257	}
904	} or warn "$ext not loaded: $@";	1258
		1259	skip:
		1260	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1261	unless $progress;
		1262	}
905	}	1263	};
906	}	1264	}
907		1265
908	#############################################################################	1266	#############################################################################
909		1267
		1268	=back
		1269
910	=head2 CORE EXTENSIONS	1270	=head2 CORE EXTENSIONS
911		1271
912	Functions and methods that extend core crossfire objects.	1272	Functions and methods that extend core crossfire objects.
913		1273
914	=cut	1274	=cut
…		…
926	Returns the given player object, loading it if necessary (might block).	1286	Returns the given player object, loading it if necessary (might block).
927		1287
928	=cut	1288	=cut
929		1289
930	sub playerdir($) {	1290	sub playerdir($) {
931	cf::localdir	1291	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1292	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	1293	}
937		1294
938	sub path($) {	1295	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1296	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		1297
941	(playerdir $login) . "/$login.pl"	1298	(playerdir $login) . "/playerdata"
942	}	1299	}
943		1300
944	sub find_active($) {	1301	sub find_active($) {
945	$cf::PLAYER{$_[0]}	1302	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	1303	and $cf::PLAYER{$_[0]}->active
…		…
949		1306
950	sub exists($) {	1307	sub exists($) {
951	my ($login) = @_;	1308	my ($login) = @_;
952		1309
953	$cf::PLAYER{$login}	1310	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1311	or cf::sync_job { !aio_stat path $login }
955	}	1312	}
956		1313
957	sub find($) {	1314	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1315	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1316	my $login = $_[0];
960		1317
961	my $guard = cf::lock_acquire "user_find:$login";	1318	my $guard = cf::lock_acquire "user_find:$login";
962		1319
963	$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
964	my $pl = load_pl path $login	1328	my $pl = load_pl path $login
965	or return;	1329	or return;
966	$cf::PLAYER{$login} = $pl	1330	$cf::PLAYER{$login} = $pl
967	}	1331	}
968	}	1332	}
…		…
1005		1369
1006	=cut	1370	=cut
1007		1371
1008	sub quit_character {	1372	sub quit_character {
1009	my ($pl) = @_;	1373	my ($pl) = @_;
		1374
		1375	my $name = $pl->ob->name;
1010		1376
1011	$pl->{deny_save} = 1;	1377	$pl->{deny_save} = 1;
1012	$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
1013		1379
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1380	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1019	my $path = playerdir $pl;	1385	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1386	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1387	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1388	delete $cf::PLAYER{$pl->ob->name};
1023	$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
1024	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;
1025	}	1411	}
1026		1412
1027	=item cf::player::list_logins	1413	=item cf::player::list_logins
1028		1414
1029	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
1030	while and may block, so not sync_job-capable, ever.	1416	while and may block, so not sync_job-capable, ever.
1031		1417
1032	=cut	1418	=cut
1033		1419
1034	sub list_logins {	1420	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1421	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1422	or return [];
1037		1423
1038	my @logins;	1424	my @logins;
1039		1425
1040	for my $login (@$dirs) {	1426	for my $login (@$dirs) {
…		…
1057	=cut	1443	=cut
1058		1444
1059	sub maps($) {	1445	sub maps($) {
1060	my ($pl) = @_;	1446	my ($pl) = @_;
1061		1447
		1448	$pl = ref $pl ? $pl->ob->name : $pl;
		1449
1062	my $files = aio_readdir playerdir $pl	1450	my $files = aio_readdir playerdir $pl
1063	or return;	1451	or return;
1064		1452
1065	my @paths;	1453	my @paths;
1066		1454
1067	for (@$files) {	1455	for (@$files) {
1068	utf8::decode $_;	1456	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1457	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1458	next unless /^$PATH_SEP/o;
1071		1459
1072	s/\.map$//;	1460	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1461	}
1075		1462
1076	\@paths	1463	\@paths
1077	}	1464	}
1078		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
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1516	=item $player->ext_reply ($msgid, %msg)
1080		1517
1081	Sends an ext reply to the player.	1518	Sends an ext reply to the player.
1082		1519
1083	=cut	1520	=cut
1084		1521
1085	sub ext_reply($$$%) {	1522	sub ext_reply($$%) {
1086	my ($self, $id, %msg) = @_;	1523	my ($self, $id, %msg) = @_;
1087		1524
1088	$msg{msgid} = $id;	1525	$msg{msgid} = $id;
1089		1526	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1090	$self->send ("ext " . cf::to_json \%msg);
1091	}	1527	}
1092		1528
1093	package cf;	1529	=item $player->ext_event ($type, %msg)
		1530
		1531	Sends an ext event to the client.
		1532
		1533	=cut
		1534
		1535	sub ext_event($$%) {
		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	}
1094		1569
1095	=back	1570	=back
1096
1097		1571
1098	=head3 cf::map	1572	=head3 cf::map
1099		1573
1100	=over 4	1574	=over 4
1101		1575
…		…
1105		1579
1106	use Fcntl;	1580	use Fcntl;
1107	use Coro::AIO;	1581	use Coro::AIO;
1108		1582
1109	use overload	1583	use overload
1110	'""' => \&as_string;	1584	'""' => \&as_string,
		1585	fallback => 1;
1111		1586
1112	our $MAX_RESET = 3600;	1587	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1588	our $DEFAULT_RESET = 3000;
1114		1589
1115	sub generate_random_map {	1590	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1591	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1592	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1593	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1594	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1595	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1122	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1596	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1603	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1604	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)	1605	)
1132	}	1606	}
1133		1607
		1608	=item cf::map->register ($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
1134	sub register {	1616	sub register {
1135	my (undef, $regex) = @_;	1617	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1618	my $pkg = caller;
1137		1619
1138	no strict;	1620	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1621	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1622
1141	$EXT_MAP{$pkg} = qr<$regex>;	1623	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1624	}
1143		1625
1144	# also paths starting with '/'	1626	# also paths starting with '/'
1145	$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	}
1146		1638
1147	sub normalise {	1639	sub normalise {
1148	my ($path, $base) = @_;	1640	my ($path, $base) = @_;
		1641
		1642	$path = "$path"; # make sure its a string
		1643
		1644	$path =~ s/\.map$//;
1149		1645
1150	# map plan:	1646	# map plan:
1151	#	1647	#
1152	# /! non-realised random map exit (special hack!)	1648	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1649	# {... are special paths that are not being touched
…		…
1181		1677
1182	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
1183		1679
1184	$path = normalise $path, $base;	1680	$path = normalise $path, $base;
1185		1681
1186	for my $pkg (keys %EXT_MAP) {	1682	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1683	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1684	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1685	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1686	$self->init; # pass $1 etc.
1191	return $self;	1687	return $self;
1192	}	1688	}
1193	}	1689	}
1194		1690
1195	Carp::carp "unable to resolve path '$path'.";	1691	Carp::cluck "unable to resolve path '$path' (base '$base').";
1196	()	1692	()
1197	}	1693	}
1198		1694
1199	sub init {	1695	sub init {
1200	my ($self) = @_;	1696	my ($self) = @_;
…		…
1215		1711
1216	# the original (read-only) location	1712	# the original (read-only) location
1217	sub load_path {	1713	sub load_path {
1218	my ($self) = @_;	1714	my ($self) = @_;
1219		1715
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1716	"$MAPDIR/$self->{path}.map"
1221	}	1717	}
1222		1718
1223	# the temporary/swap location	1719	# the temporary/swap location
1224	sub save_path {	1720	sub save_path {
1225	my ($self) = @_;	1721	my ($self) = @_;
1226		1722
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1723	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1724	"$TMPDIR/$path.map"
1229	}	1725	}
1230		1726
1231	# the unique path, undef == no special unique path	1727	# the unique path, undef == no special unique path
1232	sub uniq_path {	1728	sub uniq_path {
1233	my ($self) = @_;	1729	my ($self) = @_;
1234		1730
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1731	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1732	"$UNIQUEDIR/$path"
1237	}	1733	}
1238		1734
1239	# and all this just because we cannot iterate over	1735	# and all this just because we cannot iterate over
1240	# all maps in C++...	1736	# all maps in C++...
1241	sub change_all_map_light {	1737	sub change_all_map_light {
…		…
1243		1739
1244	$_->change_map_light ($change)	1740	$_->change_map_light ($change)
1245	for grep $_->outdoor, values %cf::MAP;	1741	for grep $_->outdoor, values %cf::MAP;
1246	}	1742	}
1247		1743
		1744	sub decay_objects {
		1745	my ($self) = @_;
		1746
		1747	return if $self->{deny_reset};
		1748
		1749	$self->do_decay_objects;
		1750	}
		1751
1248	sub unlink_save {	1752	sub unlink_save {
1249	my ($self) = @_;	1753	my ($self) = @_;
1250		1754
1251	utf8::encode (my $save = $self->save_path);	1755	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1756	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1757	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	1758	}
1255		1759
1256	sub load_header_from($) {	1760	sub load_header_from($) {
1257	my ($self, $path) = @_;	1761	my ($self, $path) = @_;
1258		1762
1259	utf8::encode $path;	1763	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	1764	#aio_open $path, O_RDONLY, 0
1261	or return;	1765	# or return;
1262		1766
1263	$self->_load_header ($path)	1767	$self->_load_header ($path)
1264	or return;	1768	or return;
1265		1769
1266	$self->{load_path} = $path;	1770	$self->{load_path} = $path;
1267		1771
1268	1	1772	1
1269	}	1773	}
1270		1774
1271	sub load_orig {	1775	sub load_header_orig {
1272	my ($self) = @_;	1776	my ($self) = @_;
1273		1777
1274	$self->load_header_from ($self->load_path)	1778	$self->load_header_from ($self->load_path)
1275	}	1779	}
1276		1780
1277	sub load_temp {	1781	sub load_header_temp {
1278	my ($self) = @_;	1782	my ($self) = @_;
1279		1783
1280	$self->load_header_from ($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	$self->instantiate;
1281	}	1804	}
1282		1805
1283	sub load_header {	1806	sub load_header {
1284	my ($self) = @_;	1807	my ($self) = @_;
1285		1808
1286	if ($self->load_temp) {	1809	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	1810	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	1811	} else {
1293	$self->load_orig	1812	$self->load_header_orig
1294	or return;	1813	or return;
1295		1814	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	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;
1301		1822
1302	1	1823	1
1303	}	1824	}
1304		1825
1305	sub find;	1826	sub find;
…		…
1318	$map->{last_save} = $cf::RUNTIME;	1839	$map->{last_save} = $cf::RUNTIME;
1319		1840
1320	$map->load_header	1841	$map->load_header
1321	or return;	1842	or return;
1322		1843
1323	if ($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;
1324	$map->reset;	1847	$map->reset;
1325	undef $guard;	1848	undef $guard;
1326	$map = find $path	1849	return find $path;
1327	or return;
1328	}	1850	}
1329		1851
1330	$cf::MAP{$path} = $map	1852	$cf::MAP{$path} = $map
1331	}	1853	}
1332	}	1854	}
		1855
		1856	sub pre_load { }
		1857	sub post_load { }
1333		1858
1334	sub load {	1859	sub load {
1335	my ($self) = @_;	1860	my ($self) = @_;
1336		1861
		1862	local $self->{deny_reset} = 1; # loading can take a long time
		1863
1337	my $path = $self->{path};	1864	my $path = $self->{path};
		1865
		1866	{
1338	my $guard = cf::lock_acquire "map_load:$path";	1867	my $guard = cf::lock_acquire "map_load:$path";
1339		1868
1340	return if $self->in_memory != cf::MAP_SWAPPED;	1869	return if $self->in_memory != cf::MAP_SWAPPED;
1341		1870
1342	$self->in_memory (cf::MAP_LOADING);	1871	$self->in_memory (cf::MAP_LOADING);
1343		1872
1344	$self->alloc;	1873	$self->alloc;
1345	$self->_load_objects ($self->{load_path}, 1)
1346	or return;
1347		1874
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1875	$self->pre_load;
1349	if delete $self->{load_original};
1350
1351	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {
1354	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);
1356	}
1357	}
1358
1359	Coro::cede;
1360
1361	# now do the right thing for maps
1362	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;	1876	Coro::cede;
1369	$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;
1370	$self->difficulty ($self->estimate_difficulty)	1895	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	1896	unless $self->difficulty;
1372	Coro::cede;	1897	Coro::cede;
		1898
		1899	unless ($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;
1373	$self->activate;	1906	$self->activate;
1374	}	1907	}
1375		1908
1376	$self->in_memory (cf::MAP_IN_MEMORY);	1909	$self->in_memory (cf::MAP_IN_MEMORY);
		1910	}
		1911
		1912	$self->post_load;
1377	}	1913	}
1378		1914
1379	sub customise_for {	1915	sub customise_for {
1380	my ($self, $ob) = @_;	1916	my ($self, $ob) = @_;
1381		1917
1382	return find "~" . $ob->name . "/" . $self->{path}	1918	return find "~" . $ob->name . "/" . $self->{path}
1383	if $self->per_player;	1919	if $self->per_player;
		1920
		1921	# return find "?party/" . $ob->name . "/" . $self->{path}
		1922	# if $self->per_party;
1384		1923
1385	$self	1924	$self
1386	}	1925	}
1387		1926
1388	# 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
…		…
1420		1959
1421	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
1422	}	1961	}
1423		1962
1424	our %MAP_PREFETCH;	1963	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	1964	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		1965
1438	sub find_async {	1966	sub find_async {
1439	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1440		1968
1441	$path = normalise $path, $origin && $origin->{path};	1969	$path = normalise $path, $origin && $origin->{path};
1442		1970
1443	if (my $map = $cf::MAP{$path}) {	1971	if (my $map = $cf::MAP{$path}) {
1444	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1972	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1445	}	1973	}
1446		1974
1447	$MAP_PREFETCH{$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	};
1448	$MAP_PREFETCHER->ready;	1988	$MAP_PREFETCHER->prio (6);
1449		1989
1450	()	1990	()
1451	}	1991	}
1452		1992
1453	sub save {	1993	sub save {
…		…
1498		2038
1499	sub reset_at {	2039	sub reset_at {
1500	my ($self) = @_;	2040	my ($self) = @_;
1501		2041
1502	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");
1504	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1505		2044
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		2047
…		…
1513	my ($self) = @_;	2052	my ($self) = @_;
1514		2053
1515	$self->reset_at <= $cf::RUNTIME	2054	$self->reset_at <= $cf::RUNTIME
1516	}	2055	}
1517		2056
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	2057	sub reset {
1533	my ($self) = @_;	2058	my ($self) = @_;
1534		2059
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		2061
1537	return if $self->players;	2062	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#
1539		2063
1540	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	}
1541		2075
1542	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
1543		2077
1544	$self->in_memory (cf::MAP_SWAPPED);
1545	$self->clear;	2078	$self->clear;
1546		2079
1547	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1548		2081
1549	$self->unlink_save;	2082	$self->unlink_save;
…		…
1553	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1554		2087
1555	sub nuke {	2088	sub nuke {
1556	my ($self) = @_;	2089	my ($self) = @_;
1557		2090
		2091	delete $cf::MAP{$self->path};
		2092
		2093	$self->unlink_save;
		2094
		2095	bless $self, "cf::map";
		2096	delete $self->{deny_reset};
1558	$self->{deny_save} = 1;	2097	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	2098	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2100
		2101	$cf::MAP{$self->path} = $self;
		2102
1561	$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	]
1562	}	2140	}
1563		2141
1564	=item cf::map::unique_maps	2142	=item cf::map::unique_maps
1565		2143
1566	Returns an arrayref of paths of all shared maps that have	2144	Returns an arrayref of paths of all shared maps that have
1567	instantiated unique items. May block.	2145	instantiated unique items. May block.
1568		2146
1569	=cut	2147	=cut
1570		2148
1571	sub unique_maps() {	2149	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2150	[
1573	or return;	2151	map {
1574
1575	my @paths;
1576
1577	for (@$files) {
1578	utf8::decode $_;	2152	utf8::decode $_;
1579	next if /\.pst$/;
1580	next unless /^$PATH_SEP/o;
1581
1582	s/\.map$//;	2153	/\.map$/
1583	push @paths, $_;	2154	? normalise $_
		2155	: ()
		2156	} @{ aio_readdir $UNIQUEDIR or [] }
1584	}	2157	]
1585
1586	\@paths
1587	}	2158	}
1588		2159
1589	package cf;	2160	package cf;
1590		2161
1591	=back	2162	=back
…		…
1637		2208
1638	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639		2210
1640	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1641	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1642	} 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 {
1643	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1644	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1645	}	2230	}
1646	}	2231	}
1647		2232
1648	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1649		2234
…		…
1682	=cut	2267	=cut
1683		2268
1684	sub link_map {	2269	sub link_map {
1685	unless ($LINK_MAP) {	2270	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	2271	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2272	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	2273	$LINK_MAP->load;
1689	}	2274	}
1690		2275
1691	$LINK_MAP	2276	$LINK_MAP
1692	}	2277	}
…		…
1697	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1698		2283
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		2285
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1703		2288
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1705	}	2290	}
1706		2291
1707	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1709		2296
1710	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1711		2298
1712	unless ($map) {	2299	unless ($map) {
1713	# restore original map position	2300	# restore original map position
…		…
1731	$map->load;	2318	$map->load;
1732	$map->load_diag;	2319	$map->load_diag;
1733		2320
1734	return unless $self->contr->active;	2321	return unless $self->contr->active;
1735	$self->activate_recursive;	2322	$self->activate_recursive;
		2323
		2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1736	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1737	}	2326	}
1738		2327
1739	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1740	on_logout => sub {
1741	my ($pl) = @_;
1742		2329
1743	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1744	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1745	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1746	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1747	};	2334	be called at the end of this process.
1748	}
1749	},
1750	on_login => sub {
1751	my ($pl) = @_;
1752		2335
1753	# try to abort aborted map switching on player login :)
1754	# should happen only on crashes
1755	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;
1757	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);
1764	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;
1766	})->prio (2);
1767	}
1768	},
1769	);
1770
1771	=item $player_object->goto ($path, $x, $y)
1772
1773	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1774		2339
1775	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1776	my ($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;
1777		2345
1778	$self->enter_link;	2346	$self->enter_link;
1779		2347
1780	(async {	2348	(async {
		2349	my $map = eval {
1781	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1782	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
1783		2354	$map = $check->($map) if $check && $map;
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	2355	} else {
1785	# if $map;
1786
1787	$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	}
1788		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};
1789	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1790	})->prio (1);	2373	})->prio (1);
1791	}	2374	}
1792		2375
1793	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1794		2377
…		…
1796		2379
1797	sub parse_random_map_params {	2380	sub parse_random_map_params {
1798	my ($spec) = @_;	2381	my ($spec) = @_;
1799		2382
1800	my $rmp = { # defaults	2383	my $rmp = { # defaults
1801	xsize => 10,	2384	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	2385	ysize => (cf::rndm 15, 40),
		2386	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2387	#layout => string,
1803	};	2388	};
1804		2389
1805	for (split /\n/, $spec) {	2390	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	2391	my ($k, $v) = split /\s+/, $_, 2;
1807		2392
…		…
1811	$rmp	2396	$rmp
1812	}	2397	}
1813		2398
1814	sub prepare_random_map {	2399	sub prepare_random_map {
1815	my ($exit) = @_;	2400	my ($exit) = @_;
		2401
		2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
1816		2403
1817	# all this does is basically replace the /! path by	2404	# all this does is basically replace the /! path by
1818	# a new random map path (?random/...) with a seed	2405	# a new random map path (?random/...) with a seed
1819	# that depends on the exit object	2406	# that depends on the exit object
1820		2407
1821	my $rmp = parse_random_map_params $exit->msg;	2408	my $rmp = parse_random_map_params $exit->msg;
1822		2409
1823	if ($exit->map) {	2410	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2411	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2412	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2413	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2414	$rmp->{origin_y} = $exit->y;
1828	}	2415	}
1829		2416
1830	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1831		2418
1832	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1833	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
		2421	my $meta = "$RANDOMDIR/$md5.meta";
1834		2422
1835	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) {
1836	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;
1837		2427
1838	$exit->slaying ("?random/$md5");	2428	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2429	$exit->msg (undef);
1840	}	2430	}
1841	}	2431	}
…		…
1843	sub cf::object::player::enter_exit {	2433	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2434	my ($self, $exit) = @_;
1845		2435
1846	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1847		2437
		2438	if ($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
1848	$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);
1849		2454
1850	(async {	2455	(async {
1851	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1852	unless (eval {	2457	unless (eval {
1853	prepare_random_map $exit	2458	$self->goto ($slaying, $hp, $sp);
1854	if $exit->slaying eq "/!";
1855
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1858		2459
1859	1;	2460	1;
1860	}) {	2461	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1862	. "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. "
1863	. "Please report this to the dungeon master!",	2464	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2466
1866	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1867	$self->leave_link;	2468	$self->leave_link;
1868	}	2469	}
1869	})->prio (1);	2470	})->prio (1);
…		…
1882		2483
1883	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1885		2486
1886	utf8::encode $text;	2487	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2489	}
1889		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	}
1890		2557
1891	=item $success = $client->query ($flags, "text", \&cb)	2558	=item $success = $client->query ($flags, "text", \&cb)
1892		2559
1893	Queues a query to the client, calling the given callback with	2560	Queues a query to the client, calling the given callback with
1894	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>,
1895	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>.
1896		2563
1897	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
1898	reliable at some point in the future.	2565	become reliable at some point in the future.
1899		2566
1900	=cut	2567	=cut
1901		2568
1902	sub cf::client::query {	2569	sub cf::client::query {
1903	my ($self, $flags, $text, $cb) = @_;	2570	my ($self, $flags, $text, $cb) = @_;
…		…
1911	utf8::encode $text;	2578	utf8::encode $text;
1912	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2579	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1913		2580
1914	$self->send_packet ($self->{query_queue}[0][0])	2581	$self->send_packet ($self->{query_queue}[0][0])
1915	if @{ $self->{query_queue} } == 1;	2582	if @{ $self->{query_queue} } == 1;
		2583
		2584	1
1916	}	2585	}
1917		2586
1918	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	},
1919	on_reply => sub {	2593	on_reply => sub {
1920	my ($ns, $msg) = @_;	2594	my ($ns, $msg) = @_;
1921		2595
1922	# this weird shuffling is so that direct followup queries	2596	# this weird shuffling is so that direct followup queries
1923	# get handled first	2597	# get handled first
1924	my $queue = delete $ns->{query_queue}	2598	my $queue = delete $ns->{query_queue}
1925	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
1926		2600
1927	(shift @$queue)->[1]->($msg);	2601	(shift @$queue)->[1]->($msg);
		2602	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		2603
1929	push @{ $ns->{query_queue} }, @$queue;	2604	push @{ $ns->{query_queue} }, @$queue;
1930		2605
1931	if (@{ $ns->{query_queue} } == @$queue) {	2606	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	2607	if (@$queue) {
…		…
1934	} else {	2609	} else {
1935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2610	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1936	}	2611	}
1937	}	2612	}
1938	},	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	},
1939	);	2632	);
1940		2633
1941	=item $client->async (\&cb)	2634	=item $client->async (\&cb)
1942		2635
1943	Create a new coroutine, running the specified callback. The coroutine will	2636	Create a new coroutine, running the specified callback. The coroutine will
…		…
1990		2683
1991	# here we export the classes and methods available to script code	2684	# here we export the classes and methods available to script code
1992		2685
1993	=pod	2686	=pod
1994		2687
1995	The following fucntions and emthods are available within a safe environment:	2688	The following functions and methods are available within a safe environment:
1996		2689
1997	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
1998	cf::object::player player	2694	cf::object::player
1999	cf::player peaceful	2695	player
2000	cf::map trigger	2696
		2697	cf::player
		2698	peaceful
		2699
		2700	cf::map
		2701	trigger
2001		2702
2002	=cut	2703	=cut
2003		2704
2004	for (	2705	for (
2005	["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)],
2006	["cf::object::player" => qw(player)],	2708	["cf::object::player" => qw(player)],
2007	["cf::player" => qw(peaceful)],	2709	["cf::player" => qw(peaceful)],
2008	["cf::map" => qw(trigger)],	2710	["cf::map" => qw(trigger)],
2009	) {	2711	) {
2010	no strict 'refs';	2712	no strict 'refs';
…		…
2081	=back	2783	=back
2082		2784
2083	=cut	2785	=cut
2084		2786
2085	#############################################################################	2787	#############################################################################
		2788	# the server's init and main functions
2086		2789
2087	=head2 EXTENSION DATABASE SUPPORT	2790	sub load_facedata($) {
		2791	my ($path) = @_;
2088		2792
2089	Crossfire maintains a very simple database for extension use. It can	2793	warn "loading facedata from $path\n";
2090	currently store anything that can be serialised using Storable, which
2091	excludes objects.
2092		2794
2093	The parameter C<$family> should best start with the name of the extension	2795	my $facedata;
2094	using it, it should be unique.	2796	0 < aio_load $path, $facedata
		2797	or die "$path: $!";
2095		2798
2096	=over 4	2799	$facedata = Coro::Storable::thaw $facedata;
2097		2800
2098	=item $hashref = cf::db_get $family	2801	$facedata->{version} == 2
		2802	or cf::cleanup "$path: version mismatch, cannot proceed.";
2099		2803
2100	Return a hashref for use by the extension C<$family>, which can be
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103
2104	=item $value = cf::db_get $family => $key
2105
2106	Returns a single value from the database
2107
2108	=item cf::db_put $family => $hashref
2109
2110	Stores the given family hashref into the database. Updates are delayed, if
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2112
2113	=item cf::db_put $family => $key => $value
2114
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125
2126	=cut
2127
2128	our $DB;
2129
2130	{
2131	my $path = cf::localdir . "/database.pst";
2132
2133	sub db_load() {
2134	$DB = stat $path ? Storable::retrieve $path : { };
2135	}	2804	{
		2805	my $faces = $facedata->{faceinfo};
2136		2806
2137	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};
2138		2813
2139	sub db_save() {	2814	cf::cede_to_tick;
2140	waitpid $pid, 0 if $pid;
2141	if (0 == ($pid = fork)) {
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});
2159
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}
2164
2165	sub db_get($;$) {
2166	@_ >= 2
2167	? $DB->{$_[0]}{$_[1]}
2168	: ($DB->{$_[0]} ||= { })
2169	}
2170
2171	sub db_put($$;$) {
2172	if (@_ >= 3) {
2173	$DB->{$_[0]}{$_[1]} = $_[2];
2174	} else {
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179
2180	cf::global->attach (
2181	prio => 10000,
2182	on_cleanup => sub {
2183	db_sync;
2184	},	2815	}
2185	);
2186	}
2187		2816
2188	#############################################################################	2817	while (my ($face, $info) = each %$faces) {
2189	# 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	}
2190		2921
2191	sub cfg_load {	2922	sub cfg_load {
2192	open my $fh, "<:utf8", cf::confdir . "/config"	2923	open my $fh, "<:utf8", "$CONFDIR/config"
2193	or return;	2924	or return;
2194		2925
2195	local $/;	2926	local $/;
2196	*CFG = YAML::Syck::Load <$fh>;	2927	*CFG = YAML::Syck::Load <$fh>;
2197		2928
…		…
2211		2942
2212	sub main {	2943	sub main {
2213	# we must not ever block the main coroutine	2944	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	2945	local $Coro::idle = sub {
2215	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 {
2216	async { Event::one_event };	2948	Event::one_event;
		2949	})->prio (Coro::PRIO_MAX);
2217	};	2950	};
2218		2951
2219	cfg_load;	2952	cfg_load;
2220	db_load;	2953	db_init;
2221	load_extensions;	2954	load_extensions;
		2955
		2956	$TICK_WATCHER->start;
2222	Event::loop;	2957	Event::loop;
2223	}	2958	}
2224		2959
2225	#############################################################################	2960	#############################################################################
2226	# initialisation and cleanup	2961	# initialisation and cleanup
2227		2962
2228	# install some emergency cleanup handlers	2963	# install some emergency cleanup handlers
2229	BEGIN {	2964	BEGIN {
2230	for my $signal (qw(INT HUP TERM)) {	2965	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	2966	Event->signal (
		2967	reentrant => 0,
2232	data => WF_AUTOCANCEL,	2968	data => WF_AUTOCANCEL,
2233	signal => $signal,	2969	signal => $signal,
		2970	prio => 0,
2234	cb => sub {	2971	cb => sub {
2235	cf::cleanup "SIG$signal";	2972	cf::cleanup "SIG$signal";
2236	},	2973	},
2237	);	2974	);
2238	}	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
2239	}	3014	}
2240		3015
2241	sub emergency_save() {	3016	sub emergency_save() {
2242	my $freeze_guard = cf::freeze_mainloop;	3017	my $freeze_guard = cf::freeze_mainloop;
2243		3018
…		…
2260	my $map = $cf::MAP{$path} or next;	3035	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	3036	$map->valid or next;
2262	$map->save;	3037	$map->save;
2263	}	3038	}
2264	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 $DB_ENV;
		3043	warn "end emergency database checkpoint\n";
2265	};	3044	};
2266		3045
2267	warn "leave emergency perl save\n";	3046	warn "leave emergency perl save\n";
2268	}	3047	}
2269		3048
		3049	sub post_cleanup {
		3050	my ($make_core) = @_;
		3051
		3052	warn Carp::longmess "post_cleanup backtrace"
		3053	if $make_core;
		3054	}
		3055
2270	sub reload() {	3056	sub do_reload_perl() {
2271	# can/must only be called in main	3057	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	3058	if ($Coro::current != $Coro::main) {
2273	warn "can only reload from main coroutine\n";	3059	warn "can only reload from main coroutine";
2274	return;	3060	return;
2275	}	3061	}
2276		3062
2277	warn "reloading...";	3063	warn "reloading...";
2278		3064
2279	warn "freezing server";	3065	warn "entering sync_job";
2280	my $guard = freeze_mainloop;	3066
		3067	cf::sync_job {
		3068	cf::write_runtime; # external watchdog should not bark
2281	cf::emergency_save;	3069	cf::emergency_save;
		3070	cf::write_runtime; # external watchdog should not bark
2282		3071
2283	warn "sync database to disk";	3072	warn "syncing database to disk";
2284	cf::db_sync;	3073	BDB::db_env_txn_checkpoint $DB_ENV;
2285	IO::AIO::flush;
2286		3074
2287	eval {
2288	# 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
2289		3076
2290	warn "cancel all watchers";	3077	warn "cancelling all WF_AUTOCANCEL watchers";
2291	for (Event::all_watchers) {	3078	for (Event::all_watchers) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;	3079	$_->cancel if $_->data & WF_AUTOCANCEL;
2293	}	3080	}
2294		3081
		3082	warn "flushing outstanding aio requests";
		3083	for (;;) {
		3084	BDB::flush;
		3085	IO::AIO::flush;
		3086	Coro::cede;
		3087	last unless IO::AIO::nreqs || BDB::nreqs;
		3088	warn "iterate...";
		3089	}
		3090
		3091	++$RELOAD;
		3092
2295	warn "cancel all extension coros";	3093	warn "cancelling all extension coros";
2296	$_->cancel for values %EXT_CORO;	3094	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();	3095	%EXT_CORO = ();
2298		3096
2299	warn "remove commands";	3097	warn "removing commands";
2300	%COMMAND = ();	3098	%COMMAND = ();
2301		3099
2302	warn "remove ext commands";	3100	warn "removing ext/exti commands";
2303	%EXTCMD = ();	3101	%EXTCMD = ();
		3102	%EXTICMD = ();
2304		3103
2305	warn "unload/nuke all extensions";	3104	warn "unloading/nuking all extensions";
2306	for my $pkg (@EXTS) {	3105	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";	3106	warn "... unloading $pkg";
2308		3107
2309	if (my $cb = $pkg->can ("unload")) {	3108	if (my $cb = $pkg->can ("unload")) {
2310	eval {	3109	eval {
…		…
2315		3114
2316	warn "... nuking $pkg";	3115	warn "... nuking $pkg";
2317	Symbol::delete_package $pkg;	3116	Symbol::delete_package $pkg;
2318	}	3117	}
2319		3118
2320	warn "unload all perl modules loaded from $LIBDIR";	3119	warn "unloading all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {	3120	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3121	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323		3122
2324	warn "removing <$k>";	3123	warn "... unloading $k";
2325	delete $INC{$k};	3124	delete $INC{$k};
2326		3125
2327	$k =~ s/\.pm$//;	3126	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;	3127	$k =~ s/\//::/g;
2329		3128
…		…
2332	}	3131	}
2333		3132
2334	Symbol::delete_package $k;	3133	Symbol::delete_package $k;
2335	}	3134	}
2336		3135
2337	warn "get rid of safe::, as good as possible";	3136	warn "getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	3137	Symbol::delete_package "safe::$_"
2339	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);
2340		3139
2341	warn "unload cf.pm \"a bit\"";	3140	warn "unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	3141	delete $INC{"cf.pm"};
		3142	delete $INC{"cf/pod.pm"};
2343		3143
2344	# don't, removes xs symbols, too,	3144	# don't, removes xs symbols, too,
2345	# and global variables created in xs	3145	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	3146	#Symbol::delete_package __PACKAGE__;
2347		3147
		3148	warn "unload completed, starting to reload now";
		3149
2348	warn "reloading cf.pm";	3150	warn "reloading cf.pm";
2349	require cf;	3151	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3152	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2351		3153
2352	warn "load config and database again";	3154	warn "loading config and database again";
2353	cf::cfg_load;	3155	cf::cfg_load;
2354	cf::db_load;
2355		3156
2356	warn "load extensions";	3157	warn "loading extensions";
2357	cf::load_extensions;	3158	cf::load_extensions;
2358		3159
2359	warn "reattach attachments to objects/players";	3160	warn "reattaching attachments to objects/players";
2360	_global_reattach;	3161	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	3162	warn "reattaching attachments to maps";
2362	reattach $_ for values %MAP;	3163	reattach $_ for values %MAP;
2363	};	3164	warn "reattaching attachments to players";
		3165	reattach $_ for values %PLAYER;
2364		3166
2365	if ($@) {	3167	warn "leaving sync_job";
		3168
		3169	1
		3170	} or do {
2366	warn $@;	3171	warn $@;
2367	warn "error while reloading, exiting.";	3172	warn "error while reloading, exiting.";
2368	exit 1;	3173	exit 1;
2369	}	3174	};
2370		3175
2371	warn "reloaded";	3176	warn "reloaded";
2372	};	3177	};
2373		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 $RELOAD_WATCHER;
		3192	},
		3193	);
		3194	}
		3195
2374	register_command "reload" => sub {	3196	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	3197	my ($who, $arg) = @_;
2376		3198
2377	if ($who->flag (FLAG_WIZ)) {	3199	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	3200	$who->message ("reloading server.");
		3201	async { reload_perl };
2381	}	3202	}
2382	};	3203	};
2383		3204
2384	unshift @INC, $LIBDIR;	3205	unshift @INC, $LIBDIR;
2385		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;
2386	$TICK_WATCHER = Event->timer (	3232	$TICK_WATCHER = Event->timer (
2387	reentrant => 0,	3233	reentrant => 0,
		3234	parked => 1,
2388	prio => 0,	3235	prio => 0,
2389	at => $NEXT_TICK || $TICK,	3236	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,	3237	data => WF_AUTOCANCEL,
2391	cb => sub {	3238	cb => sub {
		3239	if ($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
2392	$NOW = Event::time;	3245	$NOW = $tick_start = Event::time;
2393		3246
2394	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
2395	$RUNTIME += $TICK;	3272	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;	3273	$NEXT_TICK += $TICK;
2397		3274
2398	$WAIT_FOR_TICK->broadcast;	3275	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2399	$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;
2400		3294
2401	# 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
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3296	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2403		3297
2404	$TICK_WATCHER->at ($NEXT_TICK);	3298	$TICK_WATCHER->at ($NEXT_TICK);
2405	$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
2406	},	3307	},
2407	);	3308	);
2408		3309
		3310	{
		3311	BDB::max_poll_time $TICK * 0.1;
		3312	$BDB_POLL_WATCHER = Event->io (
		3313	reentrant => 0,
		3314	fd => BDB::poll_fileno,
		3315	poll => 'r',
		3316	prio => 0,
		3317	data => WF_AUTOCANCEL,
		3318	cb => \&BDB::poll_cb,
		3319	);
		3320	BDB::min_parallel 8;
		3321
		3322	BDB::set_sync_prepare {
		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 $@;
		3356	};
		3357	}
		3358	}
		3359
		3360	{
		3361	IO::AIO::min_parallel 8;
		3362
		3363	undef $Coro::AIO::WATCHER;
2409	IO::AIO::max_poll_time $TICK * 0.2;	3364	IO::AIO::max_poll_time $TICK * 0.1;
2410
2411	$AIO_POLL_WATCHER = Event->io (	3365	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,	3366	reentrant => 0,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,	3367	data => WF_AUTOCANCEL,
2421	after => 0,	3368	fd => IO::AIO::poll_fileno,
2422	interval => 10,	3369	poll => 'r',
2423	cb => sub {	3370	prio => 6,
2424	(Coro::unblock_sub {	3371	cb => \&IO::AIO::poll_cb,
2425	write_runtime	3372	);
2426	or warn "ERROR: unable to write runtime file: $!";	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;
2427	})->();	3406	};
		3407	} else {
		3408	LOG llevInfo, "[ABT] $msg\n";
		3409	LOG llevInfo, "[ABT] [suppressed]\n";
2428	},	3410	}
2429	);	3411	}
		3412
		3413	# load additional modules
		3414	use cf::pod;
2430		3415
2431	END { cf::emergency_save }	3416	END { cf::emergency_save }
2432		3417
2433	1	3418	1
2434		3419

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