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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC vs.
Revision 1.315 by root, Mon Jul 23 17:53:55 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
26		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
43		59
		60	our $RELOAD; # number of reloads so far
44	our @EVENT;	61	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		62
47	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	76	our $TICK_WATCHER;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	79	our $NEXT_TICK;
50	our $NOW;	80	our $NOW;
		81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
51		85
52	our %CFG;	86	our %CFG;
53		87
54	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	89	our $RUNTIME;
56		90
57	our %PLAYER; # all users	91	our %PLAYER; # all users
58	our %MAP; # all maps	92	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		94
65	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
68	binmode STDOUT;	102	binmode STDOUT;
69	binmode STDERR;	103	binmode STDERR;
70		104
71	# read virtual server time, if available	105	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
76	}	110	}
77		111
78	mkdir cf::localdir;	112	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		114
84	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
85		118
86	#############################################################################	119	#############################################################################
87		120
88	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
89		122
…		…
96	=item $cf::RUNTIME	129	=item $cf::RUNTIME
97		130
98	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
99	every server tick.	132	every server tick.
100		133
101	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102		137
103	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
104	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
105		142
106	=item $cf::NOW	143	=item $cf::NOW
107		144
108	The time of the last (current) server tick.	145	The time of the last (current) server tick.
109		146
110	=item $cf::TICK	147	=item $cf::TICK
111		148
112	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
113		160
114	=item %cf::CFG	161	=item %cf::CFG
115		162
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
117	from wherever your confdir points to.	164	from wherever your confdir points to.
118		165
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		167
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
125		177
126	=back	178	=back
127		179
128	=cut	180	=cut
129		181
130	BEGIN {	182	BEGIN {
131	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	184	my $msg = join "", @_;
133	utf8::encode $msg;
134		185
135	$msg .= "\n"	186	$msg .= "\n"
136	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
137		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
138	LOG llevError, $msg;	192	LOG llevError, $msg;
139	};	193	};
140	}	194	}
141		195
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148		203
149	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
150	# within the Safe compartment.	205	# within the Safe compartment.
151	for my $pkg (qw(	206	for my $pkg (qw(
152	cf::global cf::attachable	207	cf::global cf::attachable
…		…
160	}	215	}
161		216
162	$Event::DIED = sub {	217	$Event::DIED = sub {
163	warn "error in event callback: @_";	218	warn "error in event callback: @_";
164	};	219	};
		220
		221	#############################################################################
165		222
166	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
167		224
168	=over 4	225	=over 4
169		226
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	246	$d
190	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
191	}	248	}
192		249
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
196		251
197	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
198		253
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
207		255
208	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
209		257
210	=cut	258	=cut
211		259
212	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
214	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
216		264
217	=item cf::lock_wait $string	265	=item cf::lock_wait $string
218		266
219	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
220		268
…		…
226	returned.	274	returned.
227		275
228	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
230		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
231	=cut	283	=cut
232		284
233	our %LOCK;	285	our %LOCK;
234		286
235	sub lock_wait($) {	287	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
256	}	308	}
257	}	309	}
258		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
259	sub freeze_mainloop {	317	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
261		319
262	my $guard = Coro::guard { $TICK_WATCHER->start };	320	my $guard = Coro::guard {
		321	$TICK_WATCHER->start;
		322	};
263	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
264	$guard	324	$guard
		325	}
		326
		327	=item cf::get_slot $time[, $priority[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
265	}	381	}
266		382
267	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
268		384
269	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		390
275	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
276		392
277	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
278		394
279	The design of crossfire+ requires that the main coro ($Coro::main) is	395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	396	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
282		399
283	If it must be done, put the blocking parts into C<sync_job>. This will run	400	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	401	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	402	server will be frozen during this time, so the block should either finish
286	fast or be very important.	403	fast or be very important.
…		…
289		406
290	sub sync_job(&) {	407	sub sync_job(&) {
291	my ($job) = @_;	408	my ($job) = @_;
292		409
293	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
294	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
296		415
297	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
309		428
310	while ($busy) {	429	while ($busy) {
311	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
312	}	431	}
313		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
		439
314	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
315	} else {	441	} else {
316	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
317		443
318	$job->()	444	$job->()
…		…
337	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
338		464
339	$coro	465	$coro
340	}	466	}
341		467
342	sub write_runtime {	468	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		469
345	my $runtime = cf::localdir . "/runtime";	470	Executes the given code block with the given arguments in a seperate
		471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
346		474
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	475	=cut
348	or return;
349		476
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	477	sub _store_scalar {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	478	open my $fh, ">", \my $buf
352	and return;	479	or die "fork_call: cannot open fh-to-buf in child : $!";
353		480	Storable::store_fd $_[0], $fh;
354	aio_fsync $fh
355	and return;
356
357	close $fh	481	close $fh;
358	or return;
359		482
360	aio_rename "$runtime~", $runtime	483	$buf
361	and return;	484	}
362		485
		486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
		488
		489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		490	# or die "socketpair: $!";
		491	pipe my $fh1, my $fh2
		492	or die "pipe: $!";
		493
		494	if (my $pid = fork) {
		495	close $fh2;
		496
		497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		498	warn "pst<$res>" unless $res =~ /^pst/;
		499	$res = Coro::Storable::thaw $res;
		500
		501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		502
		503	Carp::confess $$res unless "ARRAY" eq ref $res;
		504
		505	return wantarray ? @$res : $res->[-1];
		506	} else {
		507	reset_signals;
		508	local $SIG{__WARN__};
		509	local $SIG{__DIE__};
		510	# just in case, this hack effectively disables event
		511	# in the child. cleaner and slower would be canceling all watchers,
		512	# but this works for the time being.
		513	local $Coro::idle;
		514	$Coro::current->prio (Coro::PRIO_MAX);
		515
		516	eval {
		517	close $fh1;
		518
		519	my @res = eval { $cb->(@args) };
		520
		521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		522	close $fh2;
		523	};
		524
		525	warn $@ if $@;
		526	_exit 0;
363	1	527	}
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=cut
		540
		541	our $DB;
		542
		543	sub db_init {
		544	unless ($DB) {
		545	$DB = BDB::db_create $DB_ENV;
		546
		547	cf::sync_job {
		548	eval {
		549	$DB->set_flags (BDB::CHKSUM);
		550
		551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		553	cf::cleanup "db_open(db): $!" if $!;
		554	};
		555	cf::cleanup "db_open(db): $@" if $@;
		556	};
		557	}
		558	}
		559
		560	sub db_get($$) {
		561	my $key = "$_[0]/$_[1]";
		562
		563	cf::sync_job {
		564	BDB::db_get $DB, undef, $key, my $data;
		565
		566	$! ? ()
		567	: $data
		568	}
		569	}
		570
		571	sub db_put($$$) {
		572	BDB::dbreq_pri 4;
		573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		574	}
		575
		576	=item cf::cache $id => [$paths...], $processversion => $process
		577
		578	Generic caching function that returns the value of the resource $id,
		579	caching and regenerating as required.
		580
		581	This function can block.
		582
		583	=cut
		584
		585	sub cache {
		586	my ($id, $src, $processversion, $process) = @_;
		587
		588	my $meta =
		589	join "\x00",
		590	$processversion,
		591	map {
		592	aio_stat $_
		593	and Carp::croak "$_: $!";
		594
		595	($_, (stat _)[7,9])
		596	} @$src;
		597
		598	my $dbmeta = db_get cache => "$id/meta";
		599	if ($dbmeta ne $meta) {
		600	# changed, we may need to process
		601
		602	my @data;
		603	my $md5;
		604
		605	for (0 .. $#$src) {
		606	0 <= aio_load $src->[$_], $data[$_]
		607	or Carp::croak "$src->[$_]: $!";
		608	}
		609
		610	# if processing is expensive, check
		611	# checksum first
		612	if (1) {
		613	$md5 =
		614	join "\x00",
		615	$processversion,
		616	map {
		617	Coro::cede;
		618	($src->[$_], Digest::MD5::md5_hex $data[$_])
		619	} 0.. $#$src;
		620
		621
		622	my $dbmd5 = db_get cache => "$id/md5";
		623	if ($dbmd5 eq $md5) {
		624	db_put cache => "$id/meta", $meta;
		625
		626	return db_get cache => "$id/data";
		627	}
		628	}
		629
		630	my $t1 = Time::HiRes::time;
		631	my $data = $process->(\@data);
		632	my $t2 = Time::HiRes::time;
		633
		634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		635
		636	db_put cache => "$id/data", $data;
		637	db_put cache => "$id/md5" , $md5;
		638	db_put cache => "$id/meta", $meta;
		639
		640	return $data;
		641	}
		642
		643	db_get cache => "$id/data"
		644	}
		645
		646	=item cf::datalog type => key => value, ...
		647
		648	Log a datalog packet of the given type with the given key-value pairs.
		649
		650	=cut
		651
		652	sub datalog($@) {
		653	my ($type, %kv) = @_;
		654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	655	}
365		656
366	=back	657	=back
367		658
368	=cut	659	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	666	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
377		668
378	In the following description, CLASS can be any of C<global>, C<object>	669	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	670	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	671	Crossfire TRT).
381		672
382	=over 4	673	=over 4
383		674
384	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
385		676
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	790	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	791	our @CB_MAP = ();
501		792
502	my %attachment;	793	my %attachment;
503		794
		795	sub cf::attachable::thawer_merge {
		796	# simply override everything except _meta
		797	local $_[0]{_meta};
		798	%{$_[0]} = %{$_[1]};
		799	}
		800
504	sub _attach_cb($$$$) {	801	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	802	my ($registry, $event, $prio, $cb) = @_;
506		803
507	use sort 'stable';	804	use sort 'stable';
508		805
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
543		840
544	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		845
549	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	847	my $pkg = shift @arg;
551		848
552	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
582	}	879	}
583		880
584	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
585	} else {	882	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	884	}
588		885
589	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
590	}	887	}
591		888
…		…
593	if (ref $_[0]) {	890	if (ref $_[0]) {
594	_object_attach @_;	891	_object_attach @_;
595	} else {	892	} else {
596	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
597	}	894	}
		895	_recalc_want;
598	};	896	};
599		897
600	# all those should be optimised	898	# all those should be optimised
601	sub cf::attachable::detach {	899	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
606	reattach ($obj);	904	reattach ($obj);
607	} else {	905	} else {
608	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
609	}	907	}
		908	_recalc_want;
610	};	909	};
611		910
612	sub cf::attachable::attached {	911	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
614		913
…		…
629	";	928	";
630	die if $@;	929	die if $@;
631	}	930	}
632		931
633	our $override;	932	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	933	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		934
636	sub override {	935	sub override {
637	$override = 1;	936	$override = 1;
638	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
639	}	938	}
640		939
641	sub do_invoke {	940	sub do_invoke {
642	my $event = shift;	941	my $event = shift;
643	my $callbacks = shift;	942	my $callbacks = shift;
644		943
645	@invoke_results = ();	944	@INVOKE_RESULTS = ();
646		945
647	local $override;	946	local $override;
648		947
649	for (@$callbacks) {	948	for (@$callbacks) {
650	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
667		966
668	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
669		968
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		972
674	=back	973	=back
675		974
676	=cut	975	=cut
677		976
678	#############################################################################	977	#############################################################################
679	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
680		990
681	sub reattach {	991	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	993	my ($obj) = @_;
		994
		995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		996
685	my $registry = $obj->registry;	997	my $registry = $obj->registry;
686		998
687	@$registry = ();	999	@$registry = ();
688		1000
…		…
735	$filename, length $$rdata, scalar @$objs;	1047	$filename, length $$rdata, scalar @$objs;
736		1048
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1052	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1053	close $fh;
742		1054
743	if (@$objs) {	1055	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1057	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1058	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1059	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1060	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1061	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1062	aio_rename "$filename.pst~", "$filename.pst";
751	}	1063	}
752	} else {	1064	} else {
753	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
…		…
785	or return;	1097	or return;
786	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
787	}	1099	}
788		1100
789	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
791	return ($data, $av);	1103	return ($data, $av);
792	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
793		1111
794	#############################################################################	1112	#############################################################################
795	# command handling &c	1113	# command handling &c
796		1114
797	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1129	}
812		1130
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1132
815	Register a callbackf ro execution when the client sends an extcmd packet.	1133	Register a callback for execution when the client sends an (synchronous)
		1134	extcmd packet. Ext commands will be processed in the order they are
		1135	received by the server, like other user commands. The first argument is
		1136	the logged-in player. Ext commands can only be processed after a player
		1137	has logged in successfully.
816		1138
817	If the callback returns something, it is sent back as if reply was being	1139	If the callback returns something, it is sent back as if reply was being
818	called.	1140	called.
819		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
820	=cut	1153	=cut
821		1154
822	sub register_extcmd {	1155	sub register_extcmd {
823	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
824		1157
825	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
826	}	1165	}
827		1166
828	cf::player->attach (	1167	cf::player->attach (
829	on_command => sub {	1168	on_command => sub {
830	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1178	cf::override;
840	},	1179	},
841	on_extcmd => sub {	1180	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
843		1182
844	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1184
846	if (ref $msg) {	1185	if (ref $msg) {
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1186	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
848	if (my %reply = $cb->($pl, $msg)) {	1187	if (my %reply = $cb->($pl, $msg)) {
849	$pl->ext_reply ($msg->{msgid}, %reply);	1188	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
855		1194
856	cf::override;	1195	cf::override;
857	},	1196	},
858	);	1197	);
859		1198
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
895	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1204	next unless -r $path;
897	eval {	1205
898	load_extension $ext;	1206	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1207	my $base = $1;
		1208	my $pkg = $1;
		1209	$pkg =~ s/[^[:word:]]/_/g;
		1210	$pkg = "ext::$pkg";
		1211
		1212	open my $fh, "<:utf8", $path
		1213	or die "$path: $!";
		1214
		1215	my $source = do { local $/; <$fh> };
		1216
		1217	my %ext = (
		1218	path => $path,
		1219	base => $base,
		1220	pkg => $pkg,
		1221	);
		1222
		1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1225
		1226	$ext{source} =
		1227	"package $pkg; use strict; use utf8;\n"
		1228	. "#line 1 \"$path\"\n{\n"
		1229	. $source
		1230	. "\n};\n1";
		1231
		1232	$todo{$base} = \%ext;
		1233	}
		1234
		1235	my %done;
		1236	while (%todo) {
		1237	my $progress;
		1238
		1239	while (my ($k, $v) = each %todo) {
		1240	for (split /,\s*/, $v->{meta}{depends}) {
		1241	goto skip
		1242	unless exists $done{$_};
		1243	}
		1244
		1245	warn "... loading '$k' into '$v->{pkg}'\n";
		1246
		1247	unless (eval $v->{source}) {
		1248	my $msg = $@ ? "$v->{path}: $@\n"
		1249	: "$v->{base}: extension inactive.\n";
		1250
		1251	if (exists $v->{meta}{mandatory}) {
		1252	warn $msg;
		1253	warn "mandatory extension failed to load, exiting.\n";
		1254	exit 1;
		1255	}
		1256
		1257	warn $msg;
		1258	}
		1259
		1260	$done{$k} = delete $todo{$k};
		1261	push @EXTS, $v->{pkg};
		1262	$progress = 1;
899	1	1263	}
900	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
901	}	1269	};
902	}	1270	}
903		1271
904	#############################################################################	1272	#############################################################################
905		1273
		1274	=back
		1275
906	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
907		1277
908	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
909		1279
910	=cut	1280	=cut
…		…
922	Returns the given player object, loading it if necessary (might block).	1292	Returns the given player object, loading it if necessary (might block).
923		1293
924	=cut	1294	=cut
925		1295
926	sub playerdir($) {	1296	sub playerdir($) {
927	cf::localdir	1297	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1298	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1299	}
933		1300
934	sub path($) {	1301	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1302	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1303
937	(playerdir $login) . "/$login.pl"	1304	(playerdir $login) . "/playerdata"
938	}	1305	}
939		1306
940	sub find_active($) {	1307	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1308	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1309	and $cf::PLAYER{$_[0]}->active
…		…
945		1312
946	sub exists($) {	1313	sub exists($) {
947	my ($login) = @_;	1314	my ($login) = @_;
948		1315
949	$cf::PLAYER{$login}	1316	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1317	or cf::sync_job { !aio_stat path $login }
951	}	1318	}
952		1319
953	sub find($) {	1320	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1321	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1322	my $login = $_[0];
956		1323
957	my $guard = cf::lock_acquire "user_find:$login";	1324	my $guard = cf::lock_acquire "user_find:$login";
958		1325
959	$cf::PLAYER{$_[0]} || do {	1326	$cf::PLAYER{$_[0]} || do {
		1327	# rename old playerfiles to new ones
		1328	#TODO: remove when no longer required
		1329	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1330	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1331	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1332	aio_unlink +(playerdir $login) . "/$login.pl";
		1333
960	my $pl = load_pl path $login	1334	my $pl = load_pl path $login
961	or return;	1335	or return;
962	$cf::PLAYER{$login} = $pl	1336	$cf::PLAYER{$login} = $pl
963	}	1337	}
964	}	1338	}
…		…
1001		1375
1002	=cut	1376	=cut
1003		1377
1004	sub quit_character {	1378	sub quit_character {
1005	my ($pl) = @_;	1379	my ($pl) = @_;
		1380
		1381	my $name = $pl->ob->name;
1006		1382
1007	$pl->{deny_save} = 1;	1383	$pl->{deny_save} = 1;
1008	$pl->password ("*"); # this should lock out the player until we nuked the dir	1384	$pl->password ("*"); # this should lock out the player until we nuked the dir
1009		1385
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1391	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1392	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1393	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1394	delete $cf::PLAYER{$pl->ob->name};
1019	$pl->destroy;	1395	$pl->destroy;
		1396
		1397	my $prefix = qr<^~\Q$name\E/>;
		1398
		1399	# nuke player maps
		1400	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1401
1020	IO::AIO::aio_rmtree $temp;	1402	IO::AIO::aio_rmtree $temp;
		1403	}
		1404
		1405	=item $pl->kick
		1406
		1407	Kicks a player out of the game. This destroys the connection.
		1408
		1409	=cut
		1410
		1411	sub kick {
		1412	my ($pl, $kicker) = @_;
		1413
		1414	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1415	$pl->killer ("kicked");
		1416	$pl->ns->destroy;
1021	}	1417	}
1022		1418
1023	=item cf::player::list_logins	1419	=item cf::player::list_logins
1024		1420
1025	Returns am arrayref of all valid playernames in the system, can take a	1421	Returns am arrayref of all valid playernames in the system, can take a
1026	while and may block, so not sync_job-capable, ever.	1422	while and may block, so not sync_job-capable, ever.
1027		1423
1028	=cut	1424	=cut
1029		1425
1030	sub list_logins {	1426	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1427	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1428	or return [];
1033		1429
1034	my @logins;	1430	my @logins;
1035		1431
1036	for my $login (@$dirs) {	1432	for my $login (@$dirs) {
…		…
1053	=cut	1449	=cut
1054		1450
1055	sub maps($) {	1451	sub maps($) {
1056	my ($pl) = @_;	1452	my ($pl) = @_;
1057		1453
		1454	$pl = ref $pl ? $pl->ob->name : $pl;
		1455
1058	my $files = aio_readdir playerdir $pl	1456	my $files = aio_readdir playerdir $pl
1059	or return;	1457	or return;
1060		1458
1061	my @paths;	1459	my @paths;
1062		1460
1063	for (@$files) {	1461	for (@$files) {
1064	utf8::decode $_;	1462	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1463	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1464	next unless /^$PATH_SEP/o;
1067		1465
1068	s/\.map$//;	1466	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1467	}
1071		1468
1072	\@paths	1469	\@paths
1073	}	1470	}
1074		1471
		1472	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1473
		1474	Expand crossfire pod fragments into protocol xml.
		1475
		1476	=cut
		1477
		1478	sub expand_cfpod {
		1479	((my $self), (local $_)) = @_;
		1480
		1481	# escape & and <
		1482	s/&/&amp;/g;
		1483	s/(?<![BIUGH])</&lt;/g;
		1484
		1485	# this is buggy, it needs to properly take care of nested <'s
		1486
		1487	1 while
		1488	# replace B<>, I<>, U<> etc.
		1489	s/B<([^\>]*)>/<b>$1<\/b>/
		1490	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1491	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1492	# replace G<male|female> tags
		1493	|| s{G<([^>|]*)\|([^>]*)>}{
		1494	$self->gender ? $2 : $1
		1495	}ge
		1496	# replace H<hint text>
		1497	|| s{H<([^\>]*)>}
		1498	{
		1499	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1500	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1501	"")
		1502	[$self->{hintmode}]
		1503	}ge;
		1504
		1505	# create single paragraphs (very hackish)
		1506	s/(?<=\S)\n(?=\w)/ /g;
		1507
		1508	# compress some whitespace
		1509	s/\s+\n/\n/g; # ws line-ends
		1510	s/\n\n+/\n/g; # double lines
		1511	s/^\n+//; # beginning lines
		1512	s/\n+$//; # ending lines
		1513
		1514	$_
		1515	}
		1516
		1517	sub hintmode {
		1518	$_[0]{hintmode} = $_[1] if @_ > 1;
		1519	$_[0]{hintmode}
		1520	}
		1521
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1522	=item $player->ext_reply ($msgid, %msg)
1076		1523
1077	Sends an ext reply to the player.	1524	Sends an ext reply to the player.
1078		1525
1079	=cut	1526	=cut
1080		1527
1081	sub ext_reply($$$%) {	1528	sub ext_reply($$%) {
1082	my ($self, $id, %msg) = @_;	1529	my ($self, $id, %msg) = @_;
1083		1530
1084	$msg{msgid} = $id;	1531	$msg{msgid} = $id;
1085		1532	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1086	$self->send ("ext " . cf::to_json \%msg);
1087	}	1533	}
1088		1534
1089	package cf;	1535	=item $player->ext_event ($type, %msg)
		1536
		1537	Sends an ext event to the client.
		1538
		1539	=cut
		1540
		1541	sub ext_event($$%) {
		1542	my ($self, $type, %msg) = @_;
		1543
		1544	$self->ns->ext_event ($type, %msg);
		1545	}
		1546
		1547	=head3 cf::region
		1548
		1549	=over 4
		1550
		1551	=cut
		1552
		1553	package cf::region;
		1554
		1555	=item cf::region::find_by_path $path
		1556
		1557	Tries to decuce the likely region for a map knowing only its path.
		1558
		1559	=cut
		1560
		1561	sub find_by_path($) {
		1562	my ($path) = @_;
		1563
		1564	my ($match, $specificity);
		1565
		1566	for my $region (list) {
		1567	if ($region->{match} && $path =~ $region->{match}) {
		1568	($match, $specificity) = ($region, $region->specificity)
		1569	if $region->specificity > $specificity;
		1570	}
		1571	}
		1572
		1573	$match
		1574	}
1090		1575
1091	=back	1576	=back
1092
1093		1577
1094	=head3 cf::map	1578	=head3 cf::map
1095		1579
1096	=over 4	1580	=over 4
1097		1581
…		…
1101		1585
1102	use Fcntl;	1586	use Fcntl;
1103	use Coro::AIO;	1587	use Coro::AIO;
1104		1588
1105	use overload	1589	use overload
1106	'""' => \&as_string;	1590	'""' => \&as_string,
		1591	fallback => 1;
1107		1592
1108	our $MAX_RESET = 3600;	1593	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1594	our $DEFAULT_RESET = 3000;
1110		1595
1111	sub generate_random_map {	1596	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1597	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1598	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1599	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1600	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1601	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1602	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1609	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1610	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1611	)
1128	}	1612	}
1129		1613
		1614	=item cf::map->register ($regex, $prio)
		1615
		1616	Register a handler for the map path matching the given regex at the
		1617	givne priority (higher is better, built-in handlers have priority 0, the
		1618	default).
		1619
		1620	=cut
		1621
1130	sub register {	1622	sub register {
1131	my (undef, $regex) = @_;	1623	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1624	my $pkg = caller;
1133		1625
1134	no strict;	1626	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1627	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1628
1137	$EXT_MAP{$pkg} = qr<$regex>;	1629	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1630	}
1139		1631
1140	# also paths starting with '/'	1632	# also paths starting with '/'
1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1633	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1634
		1635	sub thawer_merge {
		1636	my ($self, $merge) = @_;
		1637
		1638	# we have to keep some variables in memory intact
		1639	local $self->{path};
		1640	local $self->{load_path};
		1641
		1642	$self->SUPER::thawer_merge ($merge);
		1643	}
1142		1644
1143	sub normalise {	1645	sub normalise {
1144	my ($path, $base) = @_;	1646	my ($path, $base) = @_;
		1647
		1648	$path = "$path"; # make sure its a string
		1649
		1650	$path =~ s/\.map$//;
1145		1651
1146	# map plan:	1652	# map plan:
1147	#	1653	#
1148	# /! non-realised random map exit (special hack!)	1654	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1655	# {... are special paths that are not being touched
…		…
1177		1683
1178	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1684	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1179		1685
1180	$path = normalise $path, $base;	1686	$path = normalise $path, $base;
1181		1687
1182	for my $pkg (keys %EXT_MAP) {	1688	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1689	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1690	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1691	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1692	$self->init; # pass $1 etc.
1187	return $self;	1693	return $self;
1188	}	1694	}
1189	}	1695	}
1190		1696
1191	Carp::carp "unable to resolve path '$path'.";	1697	Carp::cluck "unable to resolve path '$path' (base '$base').";
1192	()	1698	()
1193	}	1699	}
1194		1700
1195	sub init {	1701	sub init {
1196	my ($self) = @_;	1702	my ($self) = @_;
…		…
1211		1717
1212	# the original (read-only) location	1718	# the original (read-only) location
1213	sub load_path {	1719	sub load_path {
1214	my ($self) = @_;	1720	my ($self) = @_;
1215		1721
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1722	"$MAPDIR/$self->{path}.map"
1217	}	1723	}
1218		1724
1219	# the temporary/swap location	1725	# the temporary/swap location
1220	sub save_path {	1726	sub save_path {
1221	my ($self) = @_;	1727	my ($self) = @_;
1222		1728
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1729	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1730	"$TMPDIR/$path.map"
1225	}	1731	}
1226		1732
1227	# the unique path, undef == no special unique path	1733	# the unique path, undef == no special unique path
1228	sub uniq_path {	1734	sub uniq_path {
1229	my ($self) = @_;	1735	my ($self) = @_;
1230		1736
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1737	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1738	"$UNIQUEDIR/$path"
1233	}	1739	}
1234		1740
1235	# and all this just because we cannot iterate over	1741	# and all this just because we cannot iterate over
1236	# all maps in C++...	1742	# all maps in C++...
1237	sub change_all_map_light {	1743	sub change_all_map_light {
…		…
1239		1745
1240	$_->change_map_light ($change)	1746	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1747	for grep $_->outdoor, values %cf::MAP;
1242	}	1748	}
1243		1749
		1750	sub decay_objects {
		1751	my ($self) = @_;
		1752
		1753	return if $self->{deny_reset};
		1754
		1755	$self->do_decay_objects;
		1756	}
		1757
1244	sub unlink_save {	1758	sub unlink_save {
1245	my ($self) = @_;	1759	my ($self) = @_;
1246		1760
1247	utf8::encode (my $save = $self->save_path);	1761	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1762	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1763	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1764	}
1251		1765
1252	sub load_header_from($) {	1766	sub load_header_from($) {
1253	my ($self, $path) = @_;	1767	my ($self, $path) = @_;
1254		1768
1255	utf8::encode $path;	1769	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1770	#aio_open $path, O_RDONLY, 0
1257	or return;	1771	# or return;
1258		1772
1259	$self->_load_header ($path)	1773	$self->_load_header ($path)
1260	or return;	1774	or return;
1261		1775
1262	$self->{load_path} = $path;	1776	$self->{load_path} = $path;
1263		1777
1264	1	1778	1
1265	}	1779	}
1266		1780
1267	sub load_orig {	1781	sub load_header_orig {
1268	my ($self) = @_;	1782	my ($self) = @_;
1269		1783
1270	$self->load_header_from ($self->load_path)	1784	$self->load_header_from ($self->load_path)
1271	}	1785	}
1272		1786
1273	sub load_temp {	1787	sub load_header_temp {
1274	my ($self) = @_;	1788	my ($self) = @_;
1275		1789
1276	$self->load_header_from ($self->save_path)	1790	$self->load_header_from ($self->save_path)
		1791	}
		1792
		1793	sub prepare_temp {
		1794	my ($self) = @_;
		1795
		1796	$self->last_access ((delete $self->{last_access})
		1797	|| $cf::RUNTIME); #d#
		1798	# safety
		1799	$self->{instantiate_time} = $cf::RUNTIME
		1800	if $self->{instantiate_time} > $cf::RUNTIME;
		1801	}
		1802
		1803	sub prepare_orig {
		1804	my ($self) = @_;
		1805
		1806	$self->{load_original} = 1;
		1807	$self->{instantiate_time} = $cf::RUNTIME;
		1808	$self->last_access ($cf::RUNTIME);
		1809	$self->instantiate;
1277	}	1810	}
1278		1811
1279	sub load_header {	1812	sub load_header {
1280	my ($self) = @_;	1813	my ($self) = @_;
1281		1814
1282	if ($self->load_temp) {	1815	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1816	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1817	} else {
1289	$self->load_orig	1818	$self->load_header_orig
1290	or return;	1819	or return;
1291		1820	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	1821	}
		1822
		1823	$self->{deny_reset} = 1
		1824	if $self->no_reset;
		1825
		1826	$self->default_region (cf::region::find_by_path $self->{path})
		1827	unless $self->default_region;
1297		1828
1298	1	1829	1
1299	}	1830	}
1300		1831
1301	sub find;	1832	sub find;
…		…
1314	$map->{last_save} = $cf::RUNTIME;	1845	$map->{last_save} = $cf::RUNTIME;
1315		1846
1316	$map->load_header	1847	$map->load_header
1317	or return;	1848	or return;
1318		1849
1319	if ($map->should_reset) {	1850	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1851	# doing this can freeze the server in a sync job, obviously
		1852	#$cf::WAIT_FOR_TICK->wait;
1320	$map->reset;	1853	$map->reset;
1321	undef $guard;	1854	undef $guard;
1322	$map = find $path	1855	return find $path;
1323	or return;
1324	}	1856	}
1325		1857
1326	$cf::MAP{$path} = $map	1858	$cf::MAP{$path} = $map
1327	}	1859	}
1328	}	1860	}
		1861
		1862	sub pre_load { }
		1863	sub post_load { }
1329		1864
1330	sub load {	1865	sub load {
1331	my ($self) = @_;	1866	my ($self) = @_;
1332		1867
		1868	local $self->{deny_reset} = 1; # loading can take a long time
		1869
1333	my $path = $self->{path};	1870	my $path = $self->{path};
		1871
		1872	{
1334	my $guard = cf::lock_acquire "map_load:$path";	1873	my $guard = cf::lock_acquire "map_load:$path";
1335		1874
1336	return if $self->in_memory != cf::MAP_SWAPPED;	1875	return if $self->in_memory != cf::MAP_SWAPPED;
1337		1876
1338	$self->in_memory (cf::MAP_LOADING);	1877	$self->in_memory (cf::MAP_LOADING);
1339		1878
1340	$self->alloc;	1879	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)
1342	or return;
1343		1880
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1881	$self->pre_load;
1345	if delete $self->{load_original};
1346
1347	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {
1350	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);
1352	}
1353	}
1354
1355	Coro::cede;
1356
1357	# now do the right thing for maps
1358	$self->link_multipart_objects;
1359
1360	unless ($self->{deny_activate}) {
1361	$self->decay_objects;
1362	$self->fix_auto_apply;
1363	$self->update_buttons;
1364	Coro::cede;	1882	Coro::cede;
1365	$self->set_darkness_map;	1883
		1884	$self->_load_objects ($self->{load_path}, 1)
		1885	or return;
		1886
		1887	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1888	if delete $self->{load_original};
		1889
		1890	if (my $uniq = $self->uniq_path) {
		1891	utf8::encode $uniq;
		1892	if (aio_open $uniq, O_RDONLY, 0) {
		1893	$self->clear_unique_items;
		1894	$self->_load_objects ($uniq, 0);
		1895	}
		1896	}
		1897
		1898	Coro::cede;
		1899	# now do the right thing for maps
		1900	$self->link_multipart_objects;
1366	$self->difficulty ($self->estimate_difficulty)	1901	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	1902	unless $self->difficulty;
1368	Coro::cede;	1903	Coro::cede;
		1904
		1905	unless ($self->{deny_activate}) {
		1906	$self->decay_objects;
		1907	$self->fix_auto_apply;
		1908	$self->update_buttons;
		1909	Coro::cede;
		1910	$self->set_darkness_map;
		1911	Coro::cede;
1369	$self->activate;	1912	$self->activate;
1370	}	1913	}
1371		1914
1372	$self->in_memory (cf::MAP_IN_MEMORY);	1915	$self->in_memory (cf::MAP_IN_MEMORY);
		1916	}
		1917
		1918	$self->post_load;
1373	}	1919	}
1374		1920
1375	sub customise_for {	1921	sub customise_for {
1376	my ($self, $ob) = @_;	1922	my ($self, $ob) = @_;
1377		1923
1378	return find "~" . $ob->name . "/" . $self->{path}	1924	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	1925	if $self->per_player;
		1926
		1927	# return find "?party/" . $ob->name . "/" . $self->{path}
		1928	# if $self->per_party;
1380		1929
1381	$self	1930	$self
1382	}	1931	}
1383		1932
1384	# find and load all maps in the 3x3 area around a map	1933	# find and load all maps in the 3x3 area around a map
…		…
1416		1965
1417	cf::sync_job { $map->load };	1966	cf::sync_job { $map->load };
1418	}	1967	}
1419		1968
1420	our %MAP_PREFETCH;	1969	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	1970	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		1971
1434	sub find_async {	1972	sub find_async {
1435	my ($path, $origin) = @_;	1973	my ($path, $origin) = @_;
1436		1974
1437	$path = normalise $path, $origin && $origin->{path};	1975	$path = normalise $path, $origin && $origin->{path};
1438		1976
1439	if (my $map = $cf::MAP{$path}) {	1977	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1978	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1441	}	1979	}
1442		1980
1443	$MAP_PREFETCH{$path} = 0;	1981	undef $MAP_PREFETCH{$path};
		1982	$MAP_PREFETCHER ||= cf::async {
		1983	while (%MAP_PREFETCH) {
		1984	for my $path (keys %MAP_PREFETCH) {
		1985	if (my $map = find $path) {
		1986	$map->load;
		1987	}
		1988
		1989	delete $MAP_PREFETCH{$path};
		1990	}
		1991	}
		1992	undef $MAP_PREFETCHER;
		1993	};
1444	$MAP_PREFETCHER->ready;	1994	$MAP_PREFETCHER->prio (6);
1445		1995
1446	()	1996	()
1447	}	1997	}
1448		1998
1449	sub save {	1999	sub save {
…		…
1494		2044
1495	sub reset_at {	2045	sub reset_at {
1496	my ($self) = @_;	2046	my ($self) = @_;
1497		2047
1498	# TODO: safety, remove and allow resettable per-player maps	2048	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");
1500	return 1e99 if $self->{deny_reset};	2049	return 1e99 if $self->{deny_reset};
1501		2050
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2051	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2052	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		2053
…		…
1509	my ($self) = @_;	2058	my ($self) = @_;
1510		2059
1511	$self->reset_at <= $cf::RUNTIME	2060	$self->reset_at <= $cf::RUNTIME
1512	}	2061	}
1513		2062
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	2063	sub reset {
1529	my ($self) = @_;	2064	my ($self) = @_;
1530		2065
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	2066	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2067
1533	return if $self->players;	2068	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		2069
1536	warn "resetting map ", $self->path;#d#	2070	warn "resetting map ", $self->path;
		2071
		2072	$self->in_memory (cf::MAP_SWAPPED);
		2073
		2074	# need to save uniques path
		2075	unless ($self->{deny_save}) {
		2076	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2077
		2078	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2079	if $uniq;
		2080	}
1537		2081
1538	delete $cf::MAP{$self->path};	2082	delete $cf::MAP{$self->path};
1539		2083
1540	$self->in_memory (cf::MAP_SWAPPED);
1541	$self->clear;	2084	$self->clear;
1542		2085
1543	$_->clear_links_to ($self) for values %cf::MAP;	2086	$_->clear_links_to ($self) for values %cf::MAP;
1544		2087
1545	$self->unlink_save;	2088	$self->unlink_save;
…		…
1549	my $nuke_counter = "aaaa";	2092	my $nuke_counter = "aaaa";
1550		2093
1551	sub nuke {	2094	sub nuke {
1552	my ($self) = @_;	2095	my ($self) = @_;
1553		2096
		2097	delete $cf::MAP{$self->path};
		2098
		2099	$self->unlink_save;
		2100
		2101	bless $self, "cf::map";
		2102	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	2103	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	2104	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	2105	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2106
		2107	$cf::MAP{$self->path} = $self;
		2108
1557	$self->reset; # polite request, might not happen	2109	$self->reset; # polite request, might not happen
		2110	}
		2111
		2112	=item $maps = cf::map::tmp_maps
		2113
		2114	Returns an arrayref with all map paths of currently instantiated and saved
		2115	maps. May block.
		2116
		2117	=cut
		2118
		2119	sub tmp_maps() {
		2120	[
		2121	map {
		2122	utf8::decode $_;
		2123	/\.map$/
		2124	? normalise $_
		2125	: ()
		2126	} @{ aio_readdir $TMPDIR or [] }
		2127	]
		2128	}
		2129
		2130	=item $maps = cf::map::random_maps
		2131
		2132	Returns an arrayref with all map paths of currently instantiated and saved
		2133	random maps. May block.
		2134
		2135	=cut
		2136
		2137	sub random_maps() {
		2138	[
		2139	map {
		2140	utf8::decode $_;
		2141	/\.map$/
		2142	? normalise "?random/$_"
		2143	: ()
		2144	} @{ aio_readdir $RANDOMDIR or [] }
		2145	]
1558	}	2146	}
1559		2147
1560	=item cf::map::unique_maps	2148	=item cf::map::unique_maps
1561		2149
1562	Returns an arrayref of paths of all shared maps that have	2150	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	2151	instantiated unique items. May block.
1564		2152
1565	=cut	2153	=cut
1566		2154
1567	sub unique_maps() {	2155	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2156	[
1569	or return;	2157	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	2158	utf8::decode $_;
1575	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;
1577
1578	s/\.map$//;	2159	/\.map$/
1579	push @paths, $_;	2160	? normalise $_
		2161	: ()
		2162	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	2163	]
1581
1582	\@paths
1583	}	2164	}
1584		2165
1585	package cf;	2166	package cf;
1586		2167
1587	=back	2168	=back
…		…
1633		2214
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2215	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2216
1636	if ($self->{record_replies}) {	2217	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2218	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2219
1638	} else {	2220	} else {
		2221	my $pl = $self->contr;
		2222
		2223	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2224	my $diag = $pl->{npc_dialog};
		2225	$diag->{pl}->ext_reply (
		2226	$diag->{id},
		2227	msgtype => "reply",
		2228	msg => $diag->{pl}->expand_cfpod ($msg),
		2229	add_topics => []
		2230	);
		2231
		2232	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2233	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2234	$self->message ($msg, $flags);
		2235	}
1641	}	2236	}
1642	}	2237	}
1643		2238
1644	=item $player_object->may ("access")	2239	=item $player_object->may ("access")
1645		2240
…		…
1678	=cut	2273	=cut
1679		2274
1680	sub link_map {	2275	sub link_map {
1681	unless ($LINK_MAP) {	2276	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2277	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2278	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2279	$LINK_MAP->load;
1685	}	2280	}
1686		2281
1687	$LINK_MAP	2282	$LINK_MAP
1688	}	2283	}
…		…
1693	$self->deactivate_recursive;	2288	$self->deactivate_recursive;
1694		2289
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2290	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2291
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2292	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2293	if $self->map && $self->map->{path} ne "{link}";
1699		2294
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2295	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	2296	}
1702		2297
1703	sub cf::object::player::leave_link {	2298	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2299	my ($self, $map, $x, $y) = @_;
		2300
		2301	return unless $self->contr->active;
1705		2302
1706	my $link_pos = delete $self->{_link_pos};	2303	my $link_pos = delete $self->{_link_pos};
1707		2304
1708	unless ($map) {	2305	unless ($map) {
1709	# restore original map position	2306	# restore original map position
…		…
1727	$map->load;	2324	$map->load;
1728	$map->load_diag;	2325	$map->load_diag;
1729		2326
1730	return unless $self->contr->active;	2327	return unless $self->contr->active;
1731	$self->activate_recursive;	2328	$self->activate_recursive;
		2329
		2330	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2331	$self->enter_map ($map, $x, $y);
1733	}	2332	}
1734		2333
1735	cf::player->attach (	2334	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1736	on_logout => sub {
1737	my ($pl) = @_;
1738		2335
1739	# abort map switching before logout	2336	Moves the player to the given map-path and coordinates by first freezing
1740	if ($pl->ob->{_link_pos}) {	2337	her, loading and preparing them map, calling the provided $check callback
1741	cf::sync_job {	2338	that has to return the map if sucecssful, and then unfreezes the player on
1742	$pl->ob->leave_link	2339	the new (success) or old (failed) map position. In either case, $done will
1743	};	2340	be called at the end of this process.
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748		2341
1749	# try to abort aborted map switching on player login :)
1750	# should happen only on crashes
1751	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;
1753	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "
1758	. "the server will try to bring you to your intended destination in a second.",
1759	cf::NDI_RED);
1760	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;
1762	})->prio (2);
1763	}
1764	},
1765	);
1766
1767	=item $player_object->goto ($path, $x, $y)
1768
1769	=cut	2342	=cut
		2343
		2344	our $GOTOGEN;
1770		2345
1771	sub cf::object::player::goto {	2346	sub cf::object::player::goto {
1772	my ($self, $path, $x, $y) = @_;	2347	my ($self, $path, $x, $y, $check, $done) = @_;
		2348
		2349	# do generation counting so two concurrent goto's will be executed in-order
		2350	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1773		2351
1774	$self->enter_link;	2352	$self->enter_link;
1775		2353
1776	(async {	2354	(async {
		2355	my $map = eval {
1777	my $map = cf::map::find $path;	2356	my $map = cf::map::find $path;
		2357
		2358	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2359	$map = $map->customise_for ($self);
1779		2360	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2361	} else {
1781	# if $map;
1782
1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2362	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2363	}
1784		2364
		2365	$map
		2366	};
		2367
		2368	if ($@) {
		2369	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2370	LOG llevError | logBacktrace, Carp::longmess $@;
		2371	}
		2372
		2373	if ($gen == $self->{_goto_generation}) {
		2374	delete $self->{_goto_generation};
1785	$self->leave_link ($map, $x, $y);	2375	$self->leave_link ($map, $x, $y);
		2376	}
		2377
		2378	$done->() if $done;
1786	})->prio (1);	2379	})->prio (1);
1787	}	2380	}
1788		2381
1789	=item $player_object->enter_exit ($exit_object)	2382	=item $player_object->enter_exit ($exit_object)
1790		2383
…		…
1792		2385
1793	sub parse_random_map_params {	2386	sub parse_random_map_params {
1794	my ($spec) = @_;	2387	my ($spec) = @_;
1795		2388
1796	my $rmp = { # defaults	2389	my $rmp = { # defaults
1797	xsize => 10,	2390	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2391	ysize => (cf::rndm 15, 40),
		2392	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2393	#layout => string,
1799	};	2394	};
1800		2395
1801	for (split /\n/, $spec) {	2396	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2397	my ($k, $v) = split /\s+/, $_, 2;
1803		2398
…		…
1807	$rmp	2402	$rmp
1808	}	2403	}
1809		2404
1810	sub prepare_random_map {	2405	sub prepare_random_map {
1811	my ($exit) = @_;	2406	my ($exit) = @_;
		2407
		2408	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2409
1813	# all this does is basically replace the /! path by	2410	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2411	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2412	# that depends on the exit object
1816		2413
1817	my $rmp = parse_random_map_params $exit->msg;	2414	my $rmp = parse_random_map_params $exit->msg;
1818		2415
1819	if ($exit->map) {	2416	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2417	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2418	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2419	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2420	$rmp->{origin_y} = $exit->y;
1824	}	2421	}
1825		2422
1826	$rmp->{random_seed} ||= $exit->random_seed;	2423	$rmp->{random_seed} ||= $exit->random_seed;
1827		2424
1828	my $data = cf::to_json $rmp;	2425	my $data = cf::to_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	2426	my $md5 = Digest::MD5::md5_hex $data;
		2427	my $meta = "$RANDOMDIR/$md5.meta";
1830		2428
1831	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2429	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832	aio_write $fh, 0, (length $data), $data, 0;	2430	aio_write $fh, 0, (length $data), $data, 0;
		2431	undef $fh;
		2432	aio_rename "$meta~", $meta;
1833		2433
1834	$exit->slaying ("?random/$md5");	2434	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2435	$exit->msg (undef);
1836	}	2436	}
1837	}	2437	}
…		…
1839	sub cf::object::player::enter_exit {	2439	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2440	my ($self, $exit) = @_;
1841		2441
1842	return unless $self->type == cf::PLAYER;	2442	return unless $self->type == cf::PLAYER;
1843		2443
		2444	if ($exit->slaying eq "/!") {
		2445	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2446	# the problem is that $exit might not survive long enough
		2447	# so it needs to be done right now, right here
		2448	cf::sync_job { prepare_random_map $exit };
		2449	}
		2450
		2451	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2452	my $hp = $exit->stats->hp;
		2453	my $sp = $exit->stats->sp;
		2454
1844	$self->enter_link;	2455	$self->enter_link;
		2456
		2457	# if exit is damned, update players death & WoR home-position
		2458	$self->contr->savebed ($slaying, $hp, $sp)
		2459	if $exit->flag (FLAG_DAMNED);
1845		2460
1846	(async {	2461	(async {
1847	$self->deactivate_recursive; # just to be sure	2462	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2463	unless (eval {
1849	prepare_random_map $exit	2464	$self->goto ($slaying, $hp, $sp);
1850	if $exit->slaying eq "/!";
1851
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1854		2465
1855	1;	2466	1;
1856	}) {	2467	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2468	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "I'll try to bring you back to the map you were before. "	2469	. "I'll try to bring you back to the map you were before. "
1859	. "Please report this to the dungeon master!",	2470	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2471	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2472
1862	warn "ERROR in enter_exit: $@";	2473	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2474	$self->leave_link;
1864	}	2475	}
1865	})->prio (1);	2476	})->prio (1);
…		…
1878		2489
1879	sub cf::client::send_drawinfo {	2490	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2491	my ($self, $text, $flags) = @_;
1881		2492
1882	utf8::encode $text;	2493	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2494	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2495	}
1885		2496
		2497	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2498
		2499	Send a drawinfo or msg packet to the client, formatting the msg for the
		2500	client if neccessary. C<$type> should be a string identifying the type of
		2501	the message, with C<log> being the default. If C<$color> is negative, suppress
		2502	the message unless the client supports the msg packet.
		2503
		2504	=cut
		2505
		2506	sub cf::client::send_msg {
		2507	my ($self, $channel, $msg, $color, @extra) = @_;
		2508
		2509	$msg = $self->pl->expand_cfpod ($msg);
		2510
		2511	$color &= ~cf::NDI_UNIQUE; # just in case...
		2512
		2513	if (ref $channel) {
		2514	# send meta info to client, if not yet sent
		2515	unless (exists $self->{channel}{$channel->{id}}) {
		2516	$self->{channel}{$channel->{id}} = $channel;
		2517	$self->ext_event (channel_info => %$channel);
		2518	}
		2519
		2520	$channel = $channel->{id};
		2521	}
		2522
		2523	return unless @extra || length $msg;
		2524
		2525	if ($self->can_msg) {
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2527	} else {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	if ($color >= 0) {
		2539	if (0 && $msg =~ /\[/) {
		2540	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2541	} else {
		2542	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2543	$self->send_packet ("drawinfo $color $msg")
		2544	}
		2545	}
		2546	}
		2547	}
		2548
		2549	=item $client->ext_event ($type, %msg)
		2550
		2551	Sends an ext event to the client.
		2552
		2553	=cut
		2554
		2555	sub cf::client::ext_event($$%) {
		2556	my ($self, $type, %msg) = @_;
		2557
		2558	return unless $self->extcmd;
		2559
		2560	$msg{msgtype} = "event_$type";
		2561	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2562	}
1886		2563
1887	=item $success = $client->query ($flags, "text", \&cb)	2564	=item $success = $client->query ($flags, "text", \&cb)
1888		2565
1889	Queues a query to the client, calling the given callback with	2566	Queues a query to the client, calling the given callback with
1890	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2567	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1891	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2568	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1892		2569
1893	Queries can fail, so check the return code. Or don't, as queries will become	2570	Queries can fail, so check the return code. Or don't, as queries will
1894	reliable at some point in the future.	2571	become reliable at some point in the future.
1895		2572
1896	=cut	2573	=cut
1897		2574
1898	sub cf::client::query {	2575	sub cf::client::query {
1899	my ($self, $flags, $text, $cb) = @_;	2576	my ($self, $flags, $text, $cb) = @_;
…		…
1907	utf8::encode $text;	2584	utf8::encode $text;
1908	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2585	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1909		2586
1910	$self->send_packet ($self->{query_queue}[0][0])	2587	$self->send_packet ($self->{query_queue}[0][0])
1911	if @{ $self->{query_queue} } == 1;	2588	if @{ $self->{query_queue} } == 1;
		2589
		2590	1
1912	}	2591	}
1913		2592
1914	cf::client->attach (	2593	cf::client->attach (
		2594	on_connect => sub {
		2595	my ($ns) = @_;
		2596
		2597	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2598	},
1915	on_reply => sub {	2599	on_reply => sub {
1916	my ($ns, $msg) = @_;	2600	my ($ns, $msg) = @_;
1917		2601
1918	# this weird shuffling is so that direct followup queries	2602	# this weird shuffling is so that direct followup queries
1919	# get handled first	2603	# get handled first
1920	my $queue = delete $ns->{query_queue}	2604	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2605	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2606
1923	(shift @$queue)->[1]->($msg);	2607	(shift @$queue)->[1]->($msg);
		2608	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2609
1925	push @{ $ns->{query_queue} }, @$queue;	2610	push @{ $ns->{query_queue} }, @$queue;
1926		2611
1927	if (@{ $ns->{query_queue} } == @$queue) {	2612	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2613	if (@$queue) {
…		…
1930	} else {	2615	} else {
1931	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2616	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1932	}	2617	}
1933	}	2618	}
1934	},	2619	},
		2620	on_exticmd => sub {
		2621	my ($ns, $buf) = @_;
		2622
		2623	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2624
		2625	if (ref $msg) {
		2626	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2627	if (my %reply = $cb->($ns, $msg)) {
		2628	$reply{msgid} = $msg->{msgid};
		2629	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2630	}
		2631	}
		2632	} else {
		2633	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2634	}
		2635
		2636	cf::override;
		2637	},
1935	);	2638	);
1936		2639
1937	=item $client->async (\&cb)	2640	=item $client->async (\&cb)
1938		2641
1939	Create a new coroutine, running the specified callback. The coroutine will	2642	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986		2689
1987	# here we export the classes and methods available to script code	2690	# here we export the classes and methods available to script code
1988		2691
1989	=pod	2692	=pod
1990		2693
1991	The following fucntions and emthods are available within a safe environment:	2694	The following functions and methods are available within a safe environment:
1992		2695
1993	cf::object contr pay_amount pay_player map	2696	cf::object
		2697	contr pay_amount pay_player map x y force_find force_add
		2698	insert remove
		2699
1994	cf::object::player player	2700	cf::object::player
1995	cf::player peaceful	2701	player
1996	cf::map trigger	2702
		2703	cf::player
		2704	peaceful
		2705
		2706	cf::map
		2707	trigger
1997		2708
1998	=cut	2709	=cut
1999		2710
2000	for (	2711	for (
2001	["cf::object" => qw(contr pay_amount pay_player map)],	2712	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2713	insert remove)],
2002	["cf::object::player" => qw(player)],	2714	["cf::object::player" => qw(player)],
2003	["cf::player" => qw(peaceful)],	2715	["cf::player" => qw(peaceful)],
2004	["cf::map" => qw(trigger)],	2716	["cf::map" => qw(trigger)],
2005	) {	2717	) {
2006	no strict 'refs';	2718	no strict 'refs';
…		…
2077	=back	2789	=back
2078		2790
2079	=cut	2791	=cut
2080		2792
2081	#############################################################################	2793	#############################################################################
		2794	# the server's init and main functions
2082		2795
2083	=head2 EXTENSION DATABASE SUPPORT	2796	sub load_facedata($) {
		2797	my ($path) = @_;
2084		2798
2085	Crossfire maintains a very simple database for extension use. It can	2799	warn "loading facedata from $path\n";
2086	currently store anything that can be serialised using Storable, which
2087	excludes objects.
2088		2800
2089	The parameter C<$family> should best start with the name of the extension	2801	my $facedata;
2090	using it, it should be unique.	2802	0 < aio_load $path, $facedata
		2803	or die "$path: $!";
2091		2804
2092	=over 4	2805	$facedata = Coro::Storable::thaw $facedata;
2093		2806
2094	=item $hashref = cf::db_get $family	2807	$facedata->{version} == 2
		2808	or cf::cleanup "$path: version mismatch, cannot proceed.";
2095		2809
2096	Return a hashref for use by the extension C<$family>, which can be
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099
2100	=item $value = cf::db_get $family => $key
2101
2102	Returns a single value from the database
2103
2104	=item cf::db_put $family => $hashref
2105
2106	Stores the given family hashref into the database. Updates are delayed, if
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108
2109	=item cf::db_put $family => $key => $value
2110
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121
2122	=cut
2123
2124	our $DB;
2125
2126	{
2127	my $path = cf::localdir . "/database.pst";
2128
2129	sub db_load() {
2130	$DB = stat $path ? Storable::retrieve $path : { };
2131	}	2810	{
		2811	my $faces = $facedata->{faceinfo};
2132		2812
2133	my $pid;	2813	while (my ($face, $info) = each %$faces) {
		2814	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2815	cf::face::set_visibility $idx, $info->{visibility};
		2816	cf::face::set_magicmap $idx, $info->{magicmap};
		2817	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2818	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2134		2819
2135	sub db_save() {	2820	cf::cede_to_tick;
2136	waitpid $pid, 0 if $pid;
2137	if (0 == ($pid = fork)) {
2138	$DB->{_meta}{version} = 1;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}
2143	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});
2155
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}
2160
2161	sub db_get($;$) {
2162	@_ >= 2
2163	? $DB->{$_[0]}{$_[1]}
2164	: ($DB->{$_[0]} ||= { })
2165	}
2166
2167	sub db_put($$;$) {
2168	if (@_ >= 3) {
2169	$DB->{$_[0]}{$_[1]} = $_[2];
2170	} else {
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175
2176	cf::global->attach (
2177	prio => 10000,
2178	on_cleanup => sub {
2179	db_sync;
2180	},	2821	}
2181	);
2182	}
2183		2822
2184	#############################################################################	2823	while (my ($face, $info) = each %$faces) {
2185	# the server's main()	2824	next unless $info->{smooth};
		2825	my $idx = cf::face::find $face
		2826	or next;
		2827	if (my $smooth = cf::face::find $info->{smooth}) {
		2828	cf::face::set_smooth $idx, $smooth;
		2829	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2830	} else {
		2831	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2832	}
		2833
		2834	cf::cede_to_tick;
		2835	}
		2836	}
		2837
		2838	{
		2839	my $anims = $facedata->{animinfo};
		2840
		2841	while (my ($anim, $info) = each %$anims) {
		2842	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2843	cf::cede_to_tick;
		2844	}
		2845
		2846	cf::anim::invalidate_all; # d'oh
		2847	}
		2848
		2849	{
		2850	# TODO: for gcfclient pleasure, we should give resources
		2851	# that gcfclient doesn't grok a >10000 face index.
		2852	my $res = $facedata->{resource};
		2853	my $enc = JSON::XS->new->utf8->canonical;
		2854
		2855	while (my ($name, $info) = each %$res) {
		2856	my $meta = $enc->encode ({
		2857	name => $name,
		2858	type => $info->{type},
		2859	copyright => $info->{copyright}, #TODO#
		2860	});
		2861
		2862	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2863
		2864	if ($name =~ /\.jpg$/) {
		2865	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2866	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2867	} else {
		2868	my $data = pack "(w/a*)*", $meta, $info->{data};
		2869	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2870
		2871	cf::face::set_type $idx, 1;
		2872	cf::face::set_data $idx, 0, $data, $chk;
		2873	}
		2874
		2875	cf::cede_to_tick;
		2876	}
		2877	}
		2878
		2879	1
		2880	}
		2881
		2882	sub reload_regions {
		2883	load_resource_file "$MAPDIR/regions"
		2884	or die "unable to load regions file\n";
		2885
		2886	for (cf::region::list) {
		2887	$_->{match} = qr/$_->{match}/
		2888	if exists $_->{match};
		2889	}
		2890	}
		2891
		2892	sub reload_facedata {
		2893	load_facedata "$DATADIR/facedata"
		2894	or die "unable to load facedata\n";
		2895	}
		2896
		2897	sub reload_archetypes {
		2898	load_resource_file "$DATADIR/archetypes"
		2899	or die "unable to load archetypes\n";
		2900	#d# NEED to laod twice to resolve forward references
		2901	# this really needs to be done in an extra post-pass
		2902	# (which needs to be synchronous, so solve it differently)
		2903	load_resource_file "$DATADIR/archetypes"
		2904	or die "unable to load archetypes\n";
		2905	}
		2906
		2907	sub reload_treasures {
		2908	load_resource_file "$DATADIR/treasures"
		2909	or die "unable to load treasurelists\n";
		2910	}
		2911
		2912	sub reload_resources {
		2913	warn "reloading resource files...\n";
		2914
		2915	reload_regions;
		2916	reload_facedata;
		2917	#reload_archetypes;#d#
		2918	reload_archetypes;
		2919	reload_treasures;
		2920
		2921	warn "finished reloading resource files\n";
		2922	}
		2923
		2924	sub init {
		2925	reload_resources;
		2926	}
2186		2927
2187	sub cfg_load {	2928	sub cfg_load {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	2929	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	2930	or return;
2190		2931
2191	local $/;	2932	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	2933	*CFG = YAML::Syck::Load <$fh>;
2193		2934
…		…
2207		2948
2208	sub main {	2949	sub main {
2209	# we must not ever block the main coroutine	2950	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	2951	local $Coro::idle = sub {
2211	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2952	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2953	(async {
2212	async { Event::one_event };	2954	Event::one_event;
		2955	})->prio (Coro::PRIO_MAX);
2213	};	2956	};
2214		2957
2215	cfg_load;	2958	cfg_load;
2216	db_load;	2959	db_init;
2217	load_extensions;	2960	load_extensions;
		2961
		2962	$TICK_WATCHER->start;
2218	Event::loop;	2963	Event::loop;
2219	}	2964	}
2220		2965
2221	#############################################################################	2966	#############################################################################
2222	# initialisation and cleanup	2967	# initialisation and cleanup
2223		2968
2224	# install some emergency cleanup handlers	2969	# install some emergency cleanup handlers
2225	BEGIN {	2970	BEGIN {
2226	for my $signal (qw(INT HUP TERM)) {	2971	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	2972	Event->signal (
		2973	reentrant => 0,
2228	data => WF_AUTOCANCEL,	2974	data => WF_AUTOCANCEL,
2229	signal => $signal,	2975	signal => $signal,
		2976	prio => 0,
2230	cb => sub {	2977	cb => sub {
2231	cf::cleanup "SIG$signal";	2978	cf::cleanup "SIG$signal";
2232	},	2979	},
2233	);	2980	);
2234	}	2981	}
		2982	}
		2983
		2984	sub write_runtime {
		2985	my $runtime = "$LOCALDIR/runtime";
		2986
		2987	# first touch the runtime file to show we are still running:
		2988	# the fsync below can take a very very long time.
		2989
		2990	IO::AIO::aio_utime $runtime, undef, undef;
		2991
		2992	my $guard = cf::lock_acquire "write_runtime";
		2993
		2994	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2995	or return;
		2996
		2997	my $value = $cf::RUNTIME + 90 + 10;
		2998	# 10 is the runtime save interval, for a monotonic clock
		2999	# 60 allows for the watchdog to kill the server.
		3000
		3001	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3002	and return;
		3003
		3004	# always fsync - this file is important
		3005	aio_fsync $fh
		3006	and return;
		3007
		3008	# touch it again to show we are up-to-date
		3009	aio_utime $fh, undef, undef;
		3010
		3011	close $fh
		3012	or return;
		3013
		3014	aio_rename "$runtime~", $runtime
		3015	and return;
		3016
		3017	warn "runtime file written.\n";
		3018
		3019	1
2235	}	3020	}
2236		3021
2237	sub emergency_save() {	3022	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	3023	my $freeze_guard = cf::freeze_mainloop;
2239		3024
…		…
2256	my $map = $cf::MAP{$path} or next;	3041	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	3042	$map->valid or next;
2258	$map->save;	3043	$map->save;
2259	}	3044	}
2260	warn "end emergency map save\n";	3045	warn "end emergency map save\n";
		3046
		3047	warn "begin emergency database checkpoint\n";
		3048	BDB::db_env_txn_checkpoint $DB_ENV;
		3049	warn "end emergency database checkpoint\n";
2261	};	3050	};
2262		3051
2263	warn "leave emergency perl save\n";	3052	warn "leave emergency perl save\n";
2264	}	3053	}
2265		3054
		3055	sub post_cleanup {
		3056	my ($make_core) = @_;
		3057
		3058	warn Carp::longmess "post_cleanup backtrace"
		3059	if $make_core;
		3060	}
		3061
2266	sub reload() {	3062	sub do_reload_perl() {
2267	# can/must only be called in main	3063	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	3064	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	3065	warn "can only reload from main coroutine";
2270	return;	3066	return;
2271	}	3067	}
2272		3068
2273	warn "reloading...";	3069	warn "reloading...";
2274		3070
2275	warn "freezing server";	3071	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	3072
		3073	cf::sync_job {
		3074	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	3075	cf::emergency_save;
		3076	cf::write_runtime; # external watchdog should not bark
2278		3077
2279	warn "sync database to disk";	3078	warn "syncing database to disk";
2280	cf::db_sync;	3079	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		3080
2283	eval {
2284	# if anything goes wrong in here, we should simply crash as we already saved	3081	# if anything goes wrong in here, we should simply crash as we already saved
2285		3082
2286	warn "cancel all watchers";	3083	warn "cancelling all WF_AUTOCANCEL watchers";
2287	for (Event::all_watchers) {	3084	for (Event::all_watchers) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	3085	$_->cancel if $_->data & WF_AUTOCANCEL;
2289	}	3086	}
2290		3087
		3088	warn "flushing outstanding aio requests";
		3089	for (;;) {
		3090	BDB::flush;
		3091	IO::AIO::flush;
		3092	Coro::cede;
		3093	last unless IO::AIO::nreqs || BDB::nreqs;
		3094	warn "iterate...";
		3095	}
		3096
		3097	++$RELOAD;
		3098
2291	warn "cancel all extension coros";	3099	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	3100	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	3101	%EXT_CORO = ();
2294		3102
2295	warn "remove commands";	3103	warn "removing commands";
2296	%COMMAND = ();	3104	%COMMAND = ();
2297		3105
2298	warn "remove ext commands";	3106	warn "removing ext/exti commands";
2299	%EXTCMD = ();	3107	%EXTCMD = ();
		3108	%EXTICMD = ();
2300		3109
2301	warn "unload/nuke all extensions";	3110	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	3111	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	3112	warn "... unloading $pkg";
2304		3113
2305	if (my $cb = $pkg->can ("unload")) {	3114	if (my $cb = $pkg->can ("unload")) {
2306	eval {	3115	eval {
…		…
2311		3120
2312	warn "... nuking $pkg";	3121	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	3122	Symbol::delete_package $pkg;
2314	}	3123	}
2315		3124
2316	warn "unload all perl modules loaded from $LIBDIR";	3125	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	3126	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3127	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		3128
2320	warn "removing <$k>";	3129	warn "... unloading $k";
2321	delete $INC{$k};	3130	delete $INC{$k};
2322		3131
2323	$k =~ s/\.pm$//;	3132	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	3133	$k =~ s/\//::/g;
2325		3134
…		…
2328	}	3137	}
2329		3138
2330	Symbol::delete_package $k;	3139	Symbol::delete_package $k;
2331	}	3140	}
2332		3141
2333	warn "get rid of safe::, as good as possible";	3142	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	3143	Symbol::delete_package "safe::$_"
2335	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3144	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2336		3145
2337	warn "unload cf.pm \"a bit\"";	3146	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	3147	delete $INC{"cf.pm"};
		3148	delete $INC{"cf/pod.pm"};
2339		3149
2340	# don't, removes xs symbols, too,	3150	# don't, removes xs symbols, too,
2341	# and global variables created in xs	3151	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	3152	#Symbol::delete_package __PACKAGE__;
2343		3153
		3154	warn "unload completed, starting to reload now";
		3155
2344	warn "reloading cf.pm";	3156	warn "reloading cf.pm";
2345	require cf;	3157	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3158	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		3159
2348	warn "load config and database again";	3160	warn "loading config and database again";
2349	cf::cfg_load;	3161	cf::cfg_load;
2350	cf::db_load;
2351		3162
2352	warn "load extensions";	3163	warn "loading extensions";
2353	cf::load_extensions;	3164	cf::load_extensions;
2354		3165
2355	warn "reattach attachments to objects/players";	3166	warn "reattaching attachments to objects/players";
2356	_global_reattach;	3167	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	3168	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	3169	reattach $_ for values %MAP;
2359	};	3170	warn "reattaching attachments to players";
		3171	reattach $_ for values %PLAYER;
2360		3172
2361	if ($@) {	3173	warn "leaving sync_job";
		3174
		3175	1
		3176	} or do {
2362	warn $@;	3177	warn $@;
2363	warn "error while reloading, exiting.";	3178	warn "error while reloading, exiting.";
2364	exit 1;	3179	exit 1;
2365	}	3180	};
2366		3181
2367	warn "reloaded";	3182	warn "reloaded";
2368	};	3183	};
2369		3184
		3185	our $RELOAD_WATCHER; # used only during reload
		3186
		3187	sub reload_perl() {
		3188	# doing reload synchronously and two reloads happen back-to-back,
		3189	# coro crashes during coro_state_free->destroy here.
		3190
		3191	$RELOAD_WATCHER ||= Event->timer (
		3192	reentrant => 0,
		3193	after => 0,
		3194	data => WF_AUTOCANCEL,
		3195	cb => sub {
		3196	do_reload_perl;
		3197	undef $RELOAD_WATCHER;
		3198	},
		3199	);
		3200	}
		3201
2370	register_command "reload" => sub {	3202	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	3203	my ($who, $arg) = @_;
2372		3204
2373	if ($who->flag (FLAG_WIZ)) {	3205	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	3206	$who->message ("reloading server.");
		3207	async { reload_perl };
2377	}	3208	}
2378	};	3209	};
2379		3210
2380	unshift @INC, $LIBDIR;	3211	unshift @INC, $LIBDIR;
2381		3212
		3213	my $bug_warning = 0;
		3214
		3215	our @WAIT_FOR_TICK;
		3216	our @WAIT_FOR_TICK_BEGIN;
		3217
		3218	sub wait_for_tick {
		3219	return unless $TICK_WATCHER->is_active;
		3220	return if $Coro::current == $Coro::main;
		3221
		3222	my $signal = new Coro::Signal;
		3223	push @WAIT_FOR_TICK, $signal;
		3224	$signal->wait;
		3225	}
		3226
		3227	sub wait_for_tick_begin {
		3228	return unless $TICK_WATCHER->is_active;
		3229	return if $Coro::current == $Coro::main;
		3230
		3231	my $signal = new Coro::Signal;
		3232	push @WAIT_FOR_TICK_BEGIN, $signal;
		3233	$signal->wait;
		3234	}
		3235
		3236	my $min = 1e6;#d#
		3237	my $avg = 10;
2382	$TICK_WATCHER = Event->timer (	3238	$TICK_WATCHER = Event->timer (
2383	reentrant => 0,	3239	reentrant => 0,
		3240	parked => 1,
2384	prio => 0,	3241	prio => 0,
2385	at => $NEXT_TICK || $TICK,	3242	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,	3243	data => WF_AUTOCANCEL,
2387	cb => sub {	3244	cb => sub {
		3245	if ($Coro::current != $Coro::main) {
		3246	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3247	unless ++$bug_warning > 10;
		3248	return;
		3249	}
		3250
2388	$NOW = Event::time;	3251	$NOW = $tick_start = Event::time;
2389		3252
2390	cf::server_tick; # one server iteration	3253	cf::server_tick; # one server iteration
		3254
		3255	0 && sync_job {#d#
		3256	for(1..10) {
		3257	my $t = Event::time;
		3258	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3259	or die;
		3260
		3261	$map->width (50);
		3262	$map->height (50);
		3263	$map->alloc;
		3264	$map->_load_objects ("/tmp/x.map", 1);
		3265	my $t = Event::time - $t;
		3266
		3267	#next unless $t < 0.0013;#d#
		3268	if ($t < $min) {
		3269	$min = $t;
		3270	}
		3271	$avg = $avg * 0.99 + $t * 0.01;
		3272	}
		3273	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3274	exit 0;
		3275	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3276	};
		3277
2391	$RUNTIME += $TICK;	3278	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	3279	$NEXT_TICK += $TICK;
2393		3280
2394	$WAIT_FOR_TICK->broadcast;	3281	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3282	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3283	Coro::async_pool {
		3284	write_runtime
		3285	or warn "ERROR: unable to write runtime file: $!";
		3286	};
		3287	}
		3288
		3289	# my $AFTER = Event::time;
		3290	# warn $AFTER - $NOW;#d#
		3291
		3292	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3293	$sig->send;
		3294	}
		3295	while (my $sig = shift @WAIT_FOR_TICK) {
		3296	$sig->send;
		3297	}
		3298
		3299	$NOW = Event::time;
2396		3300
2397	# if we are delayed by four ticks or more, skip them all	3301	# if we are delayed by four ticks or more, skip them all
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3302	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2399		3303
2400	$TICK_WATCHER->at ($NEXT_TICK);	3304	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;	3305	$TICK_WATCHER->start;
		3306
		3307	$LOAD = ($NOW - $tick_start) / $TICK;
		3308	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3309
		3310	_post_tick;
		3311
		3312
2402	},	3313	},
2403	);	3314	);
2404		3315
		3316	{
2405	IO::AIO::max_poll_time $TICK * 0.2;	3317	BDB::max_poll_time $TICK * 0.1;
2406		3318	$BDB_POLL_WATCHER = Event->io (
2407	Event->io (	3319	reentrant => 0,
2408	fd => IO::AIO::poll_fileno,	3320	fd => BDB::poll_fileno,
2409	poll => 'r',	3321	poll => 'r',
2410	prio => 5,	3322	prio => 0,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,	3323	data => WF_AUTOCANCEL,
2417	after => 0,	3324	cb => \&BDB::poll_cb,
2418	interval => 10,	3325	);
2419	cb => sub {	3326	BDB::min_parallel 8;
2420	(Coro::unblock_sub {	3327
2421	write_runtime	3328	BDB::set_sync_prepare {
2422	or warn "ERROR: unable to write runtime file: $!";	3329	my $status;
		3330	my $current = $Coro::current;
		3331	(
		3332	sub {
		3333	$status = $!;
		3334	$current->ready; undef $current;
		3335	},
		3336	sub {
		3337	Coro::schedule while defined $current;
		3338	$! = $status;
		3339	},
		3340	)
		3341	};
		3342
		3343	unless ($DB_ENV) {
		3344	$DB_ENV = BDB::db_env_create;
		3345
		3346	cf::sync_job {
		3347	eval {
		3348	BDB::db_env_open
		3349	$DB_ENV,
		3350	$BDBDIR,
		3351	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3352	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3353	0666;
		3354
		3355	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3356
		3357	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3358	$DB_ENV->set_lk_detect;
		3359	};
		3360
		3361	cf::cleanup "db_env_open(db): $@" if $@;
2423	})->();	3362	};
2424	},	3363	}
2425	);	3364	}
		3365
		3366	{
		3367	IO::AIO::min_parallel 8;
		3368
		3369	undef $Coro::AIO::WATCHER;
		3370	IO::AIO::max_poll_time $TICK * 0.1;
		3371	$AIO_POLL_WATCHER = Event->io (
		3372	reentrant => 0,
		3373	data => WF_AUTOCANCEL,
		3374	fd => IO::AIO::poll_fileno,
		3375	poll => 'r',
		3376	prio => 6,
		3377	cb => \&IO::AIO::poll_cb,
		3378	);
		3379	}
		3380
		3381	my $_log_backtrace;
		3382
		3383	sub _log_backtrace {
		3384	my ($msg, @addr) = @_;
		3385
		3386	$msg =~ s/\n//;
		3387
		3388	# limit the # of concurrent backtraces
		3389	if ($_log_backtrace < 2) {
		3390	++$_log_backtrace;
		3391	async {
		3392	my @bt = fork_call {
		3393	@addr = map { sprintf "%x", $_ } @addr;
		3394	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3395	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3396	or die "addr2line: $!";
		3397
		3398	my @funcs;
		3399	my @res = <$fh>;
		3400	chomp for @res;
		3401	while (@res) {
		3402	my ($func, $line) = splice @res, 0, 2, ();
		3403	push @funcs, "[$func] $line";
		3404	}
		3405
		3406	@funcs
		3407	};
		3408
		3409	LOG llevInfo, "[ABT] $msg\n";
		3410	LOG llevInfo, "[ABT] $_\n" for @bt;
		3411	--$_log_backtrace;
		3412	};
		3413	} else {
		3414	LOG llevInfo, "[ABT] $msg\n";
		3415	LOG llevInfo, "[ABT] [suppressed]\n";
		3416	}
		3417	}
		3418
		3419	# load additional modules
		3420	use cf::pod;
2426		3421
2427	END { cf::emergency_save }	3422	END { cf::emergency_save }
2428		3423
2429	1	3424	1
2430		3425

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