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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.205 by root, Mon Feb 5 18:29:20 2007 UTC vs.
Revision 1.301 by root, Tue Jul 10 07:01:51 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
		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;
26		34
		35	# configure various modules to our taste
		36	#
		37	$Storable::canonical = 1; # reduce rsync transfers
		38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		40
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	41	$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		42
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
33		45
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
36	our %COMMAND = ();	50	our %COMMAND = ();
37	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
38		52
39	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
43		58
		59	our $RELOAD; # number of reloads so far
44	our @EVENT;	60	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		61
47	our $TICK = MAX_TIME * 1e-6;	62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
		73
		74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	75	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	78	our $NEXT_TICK;
52	our $NOW;	79	our $NOW;
53	our $USE_FSYNC = 1; # use fsync to write maps - default off	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
54		81
		82	our $BDB_POLL_WATCHER;
		83	our $DB_ENV;
		84
55	our %CFG;	85	our %CFG;
56		86
57	our $UPTIME; $UPTIME ||= time;	87	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	88	our $RUNTIME;
59		89
60	our %PLAYER; # all users	90	our %PLAYER; # all users
61	our %MAP; # all maps	91	our %MAP; # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	92	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		93
68	# used to convert map paths into valid unix filenames by replacing / by ∕	94	# used to convert map paths into valid unix filenames by replacing / by ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		96
		97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		98	our $LOADAVG; # same thing, but with alpha-smoothing
		99	our $tick_start; # for load detecting purposes
		100
71	binmode STDOUT;	101	binmode STDOUT;
72	binmode STDERR;	102	binmode STDERR;
73		103
74	# read virtual server time, if available	104	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
79	}	109	}
80		110
81	mkdir cf::localdir;	111	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		113
87	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
88		115
89	sub cf::map::normalise;	116	sub cf::map::normalise;
90		117
…		…
101	=item $cf::RUNTIME	128	=item $cf::RUNTIME
102		129
103	The time this server has run, starts at 0 and is increased by $cf::TICK on	130	The time this server has run, starts at 0 and is increased by $cf::TICK on
104	every server tick.	131	every server tick.
105		132
106	=item $cf::LIBDIR	133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
107		136
108	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
109	be found. It will be added to C<@INC> automatically.	138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		139	unique-items directory, player file directory, random maps directory and
		140	database environment.
110		141
111	=item $cf::NOW	142	=item $cf::NOW
112		143
113	The time of the last (current) server tick.	144	The time of the last (current) server tick.
114		145
115	=item $cf::TICK	146	=item $cf::TICK
116		147
117	The interval between server ticks, in seconds.	148	The interval between server ticks, in seconds.
		149
		150	=item $cf::LOADAVG
		151
		152	The current CPU load on the server (alpha-smoothed), as a value between 0
		153	(none) and 1 (overloaded), indicating how much time is spent on processing
		154	objects per tick. Healthy values are < 0.5.
		155
		156	=item $cf::LOAD
		157
		158	The raw value load value from the last tick.
118		159
119	=item %cf::CFG	160	=item %cf::CFG
120		161
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
122	from wherever your confdir points to.	163	from wherever your confdir points to.
123		164
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		166
126	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
127	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	168	returns directly I<after> the tick processing (and consequently, can only wake one process
128	processing has been done. Call C<< ->wait >> on them to maximise the	169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
129	window of cpu time available, or simply to synchronise to the server tick.
130		170
131	=back	171	=back
132		172
133	=cut	173	=cut
134		174
135	BEGIN {	175	BEGIN {
136	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	177	my $msg = join "", @_;
138	utf8::encode $msg;
139		178
140	$msg .= "\n"	179	$msg .= "\n"
141	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
142		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
143	LOG llevError, $msg;	185	LOG llevError, $msg;
144	};	186	};
145	}	187	}
146		188
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	193	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		194	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
152	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	195	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
153		196
154	# we bless all objects into (empty) derived classes to force a method lookup	197	# we bless all objects into (empty) derived classes to force a method lookup
155	# within the Safe compartment.	198	# within the Safe compartment.
156	for my $pkg (qw(	199	for my $pkg (qw(
157	cf::global cf::attachable	200	cf::global cf::attachable
…		…
165	}	208	}
166		209
167	$Event::DIED = sub {	210	$Event::DIED = sub {
168	warn "error in event callback: @_";	211	warn "error in event callback: @_";
169	};	212	};
		213
		214	#############################################################################
170		215
171	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
172		217
173	=over 4	218	=over 4
174		219
…		…
193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
194	$d	239	$d
195	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
196	}	241	}
197		242
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
201		244
202	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
203		246
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
212		248
213	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
214		250
215	=cut	251	=cut
216		252
217	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
219	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
220	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
221		257
222	=item cf::lock_wait $string	258	=item cf::lock_wait $string
223		259
224	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
225		261
…		…
231	returned.	267	returned.
232		268
233	Lock names should begin with a unique identifier (for example, cf::map::find	269	Lock names should begin with a unique identifier (for example, cf::map::find
234	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
235		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
236	=cut	276	=cut
237		277
238	our %LOCK;	278	our %LOCK;
239		279
240	sub lock_wait($) {	280	sub lock_wait($) {
…		…
259	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
261	}	301	}
262	}	302	}
263		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
264	sub freeze_mainloop {	310	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
266		312
267	my $guard = Coro::guard {	313	my $guard = Coro::guard {
268	$TICK_WATCHER->start;	314	$TICK_WATCHER->start;
269	$WRITE_RUNTIME_WATCHER->start;
270	};	315	};
271	$WRITE_RUNTIME_WATCHER->stop;
272	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
273	$guard	317	$guard
274	}	318	}
275		319
276	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
283		327
284	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
285		329
286	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
287		331
288	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
291		336
292	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
295	fast or be very important.	340	fast or be very important.
…		…
298		343
299	sub sync_job(&) {	344	sub sync_job(&) {
300	my ($job) = @_;	345	my ($job) = @_;
301		346
302	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
303	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
305		352
306	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
307	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
318		365
319	while ($busy) {	366	while ($busy) {
320	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
321	}	368	}
322		369
		370	$time = Event::time - $time;
		371
		372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		374
		375	$tick_start += $time; # do not account sync jobs to server load
		376
323	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
324	} else {	378	} else {
325	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
326		380
327	$job->()	381	$job->()
…		…
346	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
347		401
348	$coro	402	$coro
349	}	403	}
350		404
351	sub write_runtime {	405	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		406
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
355	or return;	408	process, returning the results. Everything must be serialisable with
		409	Coro::Storable. May, of course, block. Note that the executed sub may
		410	never block itself or use any form of Event handling.
356		411
357	my $value = $cf::RUNTIME + 90 + 10;	412	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		413
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	414	sub _store_scalar {
362	and return;	415	open my $fh, ">", \my $buf
363		416	or die "fork_call: cannot open fh-to-buf in child : $!";
364	# always fsync - this file is important	417	Storable::store_fd $_[0], $fh;
365	aio_fsync $fh
366	and return;
367
368	close $fh	418	close $fh;
369	or return;
370		419
371	aio_rename "$runtime~", $runtime	420	$buf
372	and return;	421	}
373		422
		423	sub fork_call(&@) {
		424	my ($cb, @args) = @_;
		425
		426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		427	# or die "socketpair: $!";
		428	pipe my $fh1, my $fh2
		429	or die "pipe: $!";
		430
		431	if (my $pid = fork) {
		432	close $fh2;
		433
		434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		435	warn "pst<$res>" unless $res =~ /^pst/;
		436	$res = Coro::Storable::thaw $res;
		437
		438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		439
		440	Carp::confess $$res unless "ARRAY" eq ref $res;
		441
		442	return wantarray ? @$res : $res->[-1];
		443	} else {
		444	reset_signals;
		445	local $SIG{__WARN__};
		446	local $SIG{__DIE__};
		447	# just in case, this hack effectively disables event
		448	# in the child. cleaner and slower would be canceling all watchers,
		449	# but this works for the time being.
		450	local $Coro::idle;
		451	$Coro::current->prio (Coro::PRIO_MAX);
		452
		453	eval {
		454	close $fh1;
		455
		456	my @res = eval { $cb->(@args) };
		457
		458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		459	close $fh2;
		460	};
		461
		462	warn $@ if $@;
		463	_exit 0;
374	1	464	}
		465	}
		466
		467	=item $value = cf::db_get $family => $key
		468
		469	Returns a single value from the environment database.
		470
		471	=item cf::db_put $family => $key => $value
		472
		473	Stores the given C<$value> in the family. It can currently store binary
		474	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		475
		476	=cut
		477
		478	our $DB;
		479
		480	sub db_init {
		481	unless ($DB) {
		482	$DB = BDB::db_create $DB_ENV;
		483
		484	cf::sync_job {
		485	eval {
		486	$DB->set_flags (BDB::CHKSUM);
		487
		488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		490	cf::cleanup "db_open(db): $!" if $!;
		491	};
		492	cf::cleanup "db_open(db): $@" if $@;
		493	};
		494	}
		495	}
		496
		497	sub db_get($$) {
		498	my $key = "$_[0]/$_[1]";
		499
		500	cf::sync_job {
		501	BDB::db_get $DB, undef, $key, my $data;
		502
		503	$! ? ()
		504	: $data
		505	}
		506	}
		507
		508	sub db_put($$$) {
		509	BDB::dbreq_pri 4;
		510	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		511	}
		512
		513	=item cf::cache $id => [$paths...], $processversion => $process
		514
		515	Generic caching function that returns the value of the resource $id,
		516	caching and regenerating as required.
		517
		518	This function can block.
		519
		520	=cut
		521
		522	sub cache {
		523	my ($id, $src, $processversion, $process) = @_;
		524
		525	my $meta =
		526	join "\x00",
		527	$processversion,
		528	map {
		529	aio_stat $_
		530	and Carp::croak "$_: $!";
		531
		532	($_, (stat _)[7,9])
		533	} @$src;
		534
		535	my $dbmeta = db_get cache => "$id/meta";
		536	if ($dbmeta ne $meta) {
		537	# changed, we may need to process
		538
		539	my @data;
		540	my $md5;
		541
		542	for (0 .. $#$src) {
		543	0 <= aio_load $src->[$_], $data[$_]
		544	or Carp::croak "$src->[$_]: $!";
		545	}
		546
		547	# if processing is expensive, check
		548	# checksum first
		549	if (1) {
		550	$md5 =
		551	join "\x00",
		552	$processversion,
		553	map {
		554	Coro::cede;
		555	($src->[$_], Digest::MD5::md5_hex $data[$_])
		556	} 0.. $#$src;
		557
		558
		559	my $dbmd5 = db_get cache => "$id/md5";
		560	if ($dbmd5 eq $md5) {
		561	db_put cache => "$id/meta", $meta;
		562
		563	return db_get cache => "$id/data";
		564	}
		565	}
		566
		567	my $t1 = Time::HiRes::time;
		568	my $data = $process->(\@data);
		569	my $t2 = Time::HiRes::time;
		570
		571	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		572
		573	db_put cache => "$id/data", $data;
		574	db_put cache => "$id/md5" , $md5;
		575	db_put cache => "$id/meta", $meta;
		576
		577	return $data;
		578	}
		579
		580	db_get cache => "$id/data"
		581	}
		582
		583	=item cf::datalog type => key => value, ...
		584
		585	Log a datalog packet of the given type with the given key-value pairs.
		586
		587	=cut
		588
		589	sub datalog($@) {
		590	my ($type, %kv) = @_;
		591	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	592	}
376		593
377	=back	594	=back
378		595
379	=cut	596	=cut
…		…
386	attach callbacks/event handlers (a collection of which is called an "attachment")	603	attach callbacks/event handlers (a collection of which is called an "attachment")
387	to it. All such attachable objects support the following methods.	604	to it. All such attachable objects support the following methods.
388		605
389	In the following description, CLASS can be any of C<global>, C<object>	606	In the following description, CLASS can be any of C<global>, C<object>
390	C<player>, C<client> or C<map> (i.e. the attachable objects in	607	C<player>, C<client> or C<map> (i.e. the attachable objects in
391	crossfire+).	608	Crossfire TRT).
392		609
393	=over 4	610	=over 4
394		611
395	=item $attachable->attach ($attachment, key => $value...)	612	=item $attachable->attach ($attachment, key => $value...)
396		613
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	776	$registry = $CB_TYPE[$object_type] ||= [];
560		777
561	} elsif ($type eq "subtype") {	778	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	779	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	780	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	781	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		782
566	} elsif ($type eq "package") {	783	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	784	my $pkg = shift @arg;
568		785
569	while (my ($name, $id) = each %cb_id) {	786	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	815	_attach $registry, $klass, @attach;
599	}	816	}
600		817
601	$obj->{$name} = \%arg;	818	$obj->{$name} = \%arg;
602	} else {	819	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	820	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	821	}
605		822
606	$obj->{_attachment}{$name} = undef;	823	$obj->{_attachment}{$name} = undef;
607	}	824	}
608		825
…		…
610	if (ref $_[0]) {	827	if (ref $_[0]) {
611	_object_attach @_;	828	_object_attach @_;
612	} else {	829	} else {
613	_attach shift->_attach_registry, @_;	830	_attach shift->_attach_registry, @_;
614	}	831	}
		832	_recalc_want;
615	};	833	};
616		834
617	# all those should be optimised	835	# all those should be optimised
618	sub cf::attachable::detach {	836	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	837	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	840	delete $obj->{_attachment}{$name};
623	reattach ($obj);	841	reattach ($obj);
624	} else {	842	} else {
625	Carp::croak "cannot, currently, detach class attachments";	843	Carp::croak "cannot, currently, detach class attachments";
626	}	844	}
		845	_recalc_want;
627	};	846	};
628		847
629	sub cf::attachable::attached {	848	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	849	my ($obj, $name) = @_;
631		850
…		…
778	}	997	}
779	} else {	998	} else {
780	aio_unlink $filename;	999	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1000	aio_unlink "$filename.pst";
782	}	1001	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1002	}
790	}	1003	}
791		1004
792	sub object_freezer_as_string {	1005	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1006	my ($rdata, $objs) = @_;
…		…
799		1012
800	sub object_thawer_load {	1013	sub object_thawer_load {
801	my ($filename) = @_;	1014	my ($filename) = @_;
802		1015
803	my ($data, $av);	1016	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1017
808	(aio_load $filename, $data) >= 0	1018	(aio_load $filename, $data) >= 0
809	or return;	1019	or return;
810		1020
811	unless (aio_stat "$filename.pst") {	1021	unless (aio_stat "$filename.pst") {
…		…
813	or return;	1023	or return;
814	$av = eval { (Storable::thaw $av)->{objs} };	1024	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1025	}
816		1026
817	warn sprintf "loading %s (%d)\n",	1027	warn sprintf "loading %s (%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1028	$filename, length $data, scalar @{$av || []};
819	return ($data, $av);	1029	return ($data, $av);
820	}	1030	}
		1031
		1032	=head2 COMMAND CALLBACKS
		1033
		1034	=over 4
		1035
		1036	=cut
821		1037
822	#############################################################################	1038	#############################################################################
823	# command handling &c	1039	# command handling &c
824		1040
825	=item cf::register_command $name => \&callback($ob,$args);	1041	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1054	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1055	}
840		1056
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1057	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1058
843	Register a callbackf ro execution when the client sends an extcmd packet.	1059	Register a callback for execution when the client sends an (synchronous)
		1060	extcmd packet. Ext commands will be processed in the order they are
		1061	received by the server, like other user commands. The first argument is
		1062	the logged-in player. Ext commands can only be processed after a player
		1063	has logged in successfully.
844		1064
845	If the callback returns something, it is sent back as if reply was being	1065	If the callback returns something, it is sent back as if reply was being
846	called.	1066	called.
847		1067
		1068	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1069
		1070	Register a callback for execution when the client sends an (asynchronous)
		1071	exticmd packet. Exti commands are processed by the server as soon as they
		1072	are received, i.e. out of order w.r.t. other commands. The first argument
		1073	is a client socket. Exti commands can be received anytime, even before
		1074	log-in.
		1075
		1076	If the callback returns something, it is sent back as if reply was being
		1077	called.
		1078
848	=cut	1079	=cut
849		1080
850	sub register_extcmd {	1081	sub register_extcmd {
851	my ($name, $cb) = @_;	1082	my ($name, $cb) = @_;
852		1083
853	$EXTCMD{$name} = $cb;	1084	$EXTCMD{$name} = $cb;
		1085	}
		1086
		1087	sub register_exticmd {
		1088	my ($name, $cb) = @_;
		1089
		1090	$EXTICMD{$name} = $cb;
854	}	1091	}
855		1092
856	cf::player->attach (	1093	cf::player->attach (
857	on_command => sub {	1094	on_command => sub {
858	my ($pl, $name, $params) = @_;	1095	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1104	cf::override;
868	},	1105	},
869	on_extcmd => sub {	1106	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1107	my ($pl, $buf) = @_;
871		1108
872	my $msg = eval { from_json $buf };	1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1110
874	if (ref $msg) {	1111	if (ref $msg) {
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
876	if (my %reply = $cb->($pl, $msg)) {	1113	if (my %reply = $cb->($pl, $msg)) {
877	$pl->ext_reply ($msg->{msgid}, %reply);	1114	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
883		1120
884	cf::override;	1121	cf::override;
885	},	1122	},
886	);	1123	);
887		1124
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1125	sub load_extensions {
		1126	cf::sync_job {
		1127	my %todo;
		1128
923	for my $ext (<$LIBDIR/*.ext>) {	1129	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1130	next unless -r $path;
925	eval {	1131
926	load_extension $ext;	1132	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1133	my $base = $1;
		1134	my $pkg = $1;
		1135	$pkg =~ s/[^[:word:]]/_/g;
		1136	$pkg = "ext::$pkg";
		1137
		1138	open my $fh, "<:utf8", $path
		1139	or die "$path: $!";
		1140
		1141	my $source = do { local $/; <$fh> };
		1142
		1143	my %ext = (
		1144	path => $path,
		1145	base => $base,
		1146	pkg => $pkg,
		1147	);
		1148
		1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1151
		1152	$ext{source} =
		1153	"package $pkg; use strict; use utf8;\n"
		1154	. "#line 1 \"$path\"\n{\n"
		1155	. $source
		1156	. "\n};\n1";
		1157
		1158	$todo{$base} = \%ext;
		1159	}
		1160
		1161	my %done;
		1162	while (%todo) {
		1163	my $progress;
		1164
		1165	while (my ($k, $v) = each %todo) {
		1166	for (split /,\s*/, $v->{meta}{depends}) {
		1167	goto skip
		1168	unless exists $done{$_};
		1169	}
		1170
		1171	warn "... loading '$k' into '$v->{pkg}'\n";
		1172
		1173	unless (eval $v->{source}) {
		1174	my $msg = $@ ? "$v->{path}: $@\n"
		1175	: "$v->{base}: extension inactive.\n";
		1176
		1177	if (exists $v->{meta}{mandatory}) {
		1178	warn $msg;
		1179	warn "mandatory extension failed to load, exiting.\n";
		1180	exit 1;
		1181	}
		1182
		1183	warn $msg;
		1184	}
		1185
		1186	$done{$k} = delete $todo{$k};
		1187	push @EXTS, $v->{pkg};
		1188	$progress = 1;
927	1	1189	}
928	} or warn "$ext not loaded: $@";	1190
		1191	skip:
		1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1193	unless $progress;
		1194	}
929	}	1195	};
930	}	1196	}
931		1197
932	#############################################################################	1198	#############################################################################
933		1199
		1200	=back
		1201
934	=head2 CORE EXTENSIONS	1202	=head2 CORE EXTENSIONS
935		1203
936	Functions and methods that extend core crossfire objects.	1204	Functions and methods that extend core crossfire objects.
937		1205
938	=cut	1206	=cut
…		…
950	Returns the given player object, loading it if necessary (might block).	1218	Returns the given player object, loading it if necessary (might block).
951		1219
952	=cut	1220	=cut
953		1221
954	sub playerdir($) {	1222	sub playerdir($) {
955	cf::localdir	1223	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1224	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1225	}
961		1226
962	sub path($) {	1227	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1228	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1229
965	(playerdir $login) . "/$login.pl"	1230	(playerdir $login) . "/playerdata"
966	}	1231	}
967		1232
968	sub find_active($) {	1233	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1234	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1235	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1248	my $login = $_[0];
984		1249
985	my $guard = cf::lock_acquire "user_find:$login";	1250	my $guard = cf::lock_acquire "user_find:$login";
986		1251
987	$cf::PLAYER{$_[0]} || do {	1252	$cf::PLAYER{$_[0]} || do {
		1253	# rename old playerfiles to new ones
		1254	#TODO: remove when no longer required
		1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1258	aio_unlink +(playerdir $login) . "/$login.pl";
		1259
988	my $pl = load_pl path $login	1260	my $pl = load_pl path $login
989	or return;	1261	or return;
990	$cf::PLAYER{$login} = $pl	1262	$cf::PLAYER{$login} = $pl
991	}	1263	}
992	}	1264	}
…		…
1029		1301
1030	=cut	1302	=cut
1031		1303
1032	sub quit_character {	1304	sub quit_character {
1033	my ($pl) = @_;	1305	my ($pl) = @_;
		1306
		1307	my $name = $pl->ob->name;
1034		1308
1035	$pl->{deny_save} = 1;	1309	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1310	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1311
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1317	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1318	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1319	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1320	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1321	$pl->destroy;
		1322
		1323	my $prefix = qr<^~\Q$name\E/>;
		1324
		1325	# nuke player maps
		1326	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1327
1048	IO::AIO::aio_rmtree $temp;	1328	IO::AIO::aio_rmtree $temp;
		1329	}
		1330
		1331	=item $pl->kick
		1332
		1333	Kicks a player out of the game. This destroys the connection.
		1334
		1335	=cut
		1336
		1337	sub kick {
		1338	my ($pl, $kicker) = @_;
		1339
		1340	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1341	$pl->killer ("kicked");
		1342	$pl->ns->destroy;
1049	}	1343	}
1050		1344
1051	=item cf::player::list_logins	1345	=item cf::player::list_logins
1052		1346
1053	Returns am arrayref of all valid playernames in the system, can take a	1347	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1348	while and may block, so not sync_job-capable, ever.
1055		1349
1056	=cut	1350	=cut
1057		1351
1058	sub list_logins {	1352	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1353	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1354	or return [];
1061		1355
1062	my @logins;	1356	my @logins;
1063		1357
1064	for my $login (@$dirs) {	1358	for my $login (@$dirs) {
…		…
1099	}	1393	}
1100		1394
1101	\@paths	1395	\@paths
1102	}	1396	}
1103		1397
		1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1399
		1400	Expand crossfire pod fragments into protocol xml.
		1401
		1402	=cut
		1403
		1404	sub expand_cfpod {
		1405	((my $self), (local $_)) = @_;
		1406
		1407	# escape & and <
		1408	s/&/&amp;/g;
		1409	s/(?<![BIUGH])</&lt;/g;
		1410
		1411	# this is buggy, it needs to properly take care of nested <'s
		1412
		1413	1 while
		1414	# replace B<>, I<>, U<> etc.
		1415	s/B<([^\>]*)>/<b>$1<\/b>/
		1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1418	# replace G<male|female> tags
		1419	|| s{G<([^>|]*)\|([^>]*)>}{
		1420	$self->gender ? $2 : $1
		1421	}ge
		1422	# replace H<hint text>
		1423	|| s{H<([^\>]*)>}
		1424	{
		1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1427	"")
		1428	[$self->{hintmode}]
		1429	}ge;
		1430
		1431	# create single paragraphs (very hackish)
		1432	s/(?<=\S)\n(?=\w)/ /g;
		1433
		1434	# compress some whitespace
		1435	s/\s+\n/\n/g; # ws line-ends
		1436	s/\n\n+/\n/g; # double lines
		1437	s/^\n+//; # beginning lines
		1438	s/\n+$//; # ending lines
		1439
		1440	$_
		1441	}
		1442
		1443	sub hintmode {
		1444	$_[0]{hintmode} = $_[1] if @_ > 1;
		1445	$_[0]{hintmode}
		1446	}
		1447
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1448	=item $player->ext_reply ($msgid, %msg)
1105		1449
1106	Sends an ext reply to the player.	1450	Sends an ext reply to the player.
1107		1451
1108	=cut	1452	=cut
1109		1453
1110	sub ext_reply($$$%) {	1454	sub ext_reply($$%) {
1111	my ($self, $id, %msg) = @_;	1455	my ($self, $id, %msg) = @_;
1112		1456
1113	$msg{msgid} = $id;	1457	$msg{msgid} = $id;
1114		1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1459	}
1117		1460
1118	package cf;	1461	=item $player->ext_event ($type, %msg)
		1462
		1463	Sends an ext event to the client.
		1464
		1465	=cut
		1466
		1467	sub ext_event($$%) {
		1468	my ($self, $type, %msg) = @_;
		1469
		1470	$self->ns->ext_event ($type, %msg);
		1471	}
		1472
		1473	=head3 cf::region
		1474
		1475	=over 4
		1476
		1477	=cut
		1478
		1479	package cf::region;
		1480
		1481	=item cf::region::find_by_path $path
		1482
		1483	Tries to decuce the likely region for a map knowing only its path.
		1484
		1485	=cut
		1486
		1487	sub find_by_path($) {
		1488	my ($path) = @_;
		1489
		1490	my ($match, $specificity);
		1491
		1492	for my $region (list) {
		1493	if ($region->match && $path =~ $region->match) {
		1494	($match, $specificity) = ($region, $region->specificity)
		1495	if $region->specificity > $specificity;
		1496	}
		1497	}
		1498
		1499	$match
		1500	}
1119		1501
1120	=back	1502	=back
1121
1122		1503
1123	=head3 cf::map	1504	=head3 cf::map
1124		1505
1125	=over 4	1506	=over 4
1126		1507
…		…
1181	my ($self, $merge) = @_;	1562	my ($self, $merge) = @_;
1182		1563
1183	# we have to keep some variables in memory intact	1564	# we have to keep some variables in memory intact
1184	local $self->{path};	1565	local $self->{path};
1185	local $self->{load_path};	1566	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1567
1189	$self->SUPER::thawer_merge ($merge);	1568	$self->SUPER::thawer_merge ($merge);
1190	}	1569	}
1191		1570
1192	sub normalise {	1571	sub normalise {
…		…
1264		1643
1265	# the original (read-only) location	1644	# the original (read-only) location
1266	sub load_path {	1645	sub load_path {
1267	my ($self) = @_;	1646	my ($self) = @_;
1268		1647
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1648	"$MAPDIR/$self->{path}.map"
1270	}	1649	}
1271		1650
1272	# the temporary/swap location	1651	# the temporary/swap location
1273	sub save_path {	1652	sub save_path {
1274	my ($self) = @_;	1653	my ($self) = @_;
1275		1654
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1655	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1656	"$TMPDIR/$path.map"
1278	}	1657	}
1279		1658
1280	# the unique path, undef == no special unique path	1659	# the unique path, undef == no special unique path
1281	sub uniq_path {	1660	sub uniq_path {
1282	my ($self) = @_;	1661	my ($self) = @_;
1283		1662
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1663	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1664	"$UNIQUEDIR/$path"
1286	}	1665	}
1287		1666
1288	# and all this just because we cannot iterate over	1667	# and all this just because we cannot iterate over
1289	# all maps in C++...	1668	# all maps in C++...
1290	sub change_all_map_light {	1669	sub change_all_map_light {
…		…
1292		1671
1293	$_->change_map_light ($change)	1672	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1673	for grep $_->outdoor, values %cf::MAP;
1295	}	1674	}
1296		1675
		1676	sub decay_objects {
		1677	my ($self) = @_;
		1678
		1679	return if $self->{deny_reset};
		1680
		1681	$self->do_decay_objects;
		1682	}
		1683
1297	sub unlink_save {	1684	sub unlink_save {
1298	my ($self) = @_;	1685	my ($self) = @_;
1299		1686
1300	utf8::encode (my $save = $self->save_path);	1687	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1688	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1690	}
1309		1691
1310	sub load_header_from($) {	1692	sub load_header_from($) {
1311	my ($self, $path) = @_;	1693	my ($self, $path) = @_;
1312		1694
…		…
1362	$self->load_header_orig	1744	$self->load_header_orig
1363	or return;	1745	or return;
1364	$self->prepare_orig;	1746	$self->prepare_orig;
1365	}	1747	}
1366		1748
		1749	$self->{deny_reset} = 1
		1750	if $self->no_reset;
		1751
		1752	$self->default_region (cf::region::find_by_path $self->{path})
		1753	unless $self->default_region;
		1754
1367	1	1755	1
1368	}	1756	}
1369		1757
1370	sub find;	1758	sub find;
1371	sub find {	1759	sub find {
…		…
1383	$map->{last_save} = $cf::RUNTIME;	1771	$map->{last_save} = $cf::RUNTIME;
1384		1772
1385	$map->load_header	1773	$map->load_header
1386	or return;	1774	or return;
1387		1775
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1777	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1778	#$cf::WAIT_FOR_TICK->wait;
1391	$map->reset;	1779	$map->reset;
1392	undef $guard;	1780	undef $guard;
1393	return find $path;	1781	return find $path;
…		…
1404	my ($self) = @_;	1792	my ($self) = @_;
1405		1793
1406	local $self->{deny_reset} = 1; # loading can take a long time	1794	local $self->{deny_reset} = 1; # loading can take a long time
1407		1795
1408	my $path = $self->{path};	1796	my $path = $self->{path};
		1797
		1798	{
1409	my $guard = cf::lock_acquire "map_load:$path";	1799	my $guard = cf::lock_acquire "map_load:$path";
1410		1800
1411	return if $self->in_memory != cf::MAP_SWAPPED;	1801	return if $self->in_memory != cf::MAP_SWAPPED;
1412		1802
1413	$self->in_memory (cf::MAP_LOADING);	1803	$self->in_memory (cf::MAP_LOADING);
1414		1804
1415	$self->alloc;	1805	$self->alloc;
1416		1806
1417	$self->pre_load;	1807	$self->pre_load;
1418
1419	$self->_load_objects ($self->{load_path}, 1)
1420	or return;
1421
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};
1424
1425	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);
1430	}
1431	}
1432
1433	Coro::cede;
1434
1435	# now do the right thing for maps
1436	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;	1808	Coro::cede;
1443	$self->set_darkness_map;	1809
		1810	$self->_load_objects ($self->{load_path}, 1)
		1811	or return;
		1812
		1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1814	if delete $self->{load_original};
		1815
		1816	if (my $uniq = $self->uniq_path) {
		1817	utf8::encode $uniq;
		1818	if (aio_open $uniq, O_RDONLY, 0) {
		1819	$self->clear_unique_items;
		1820	$self->_load_objects ($uniq, 0);
		1821	}
		1822	}
		1823
		1824	Coro::cede;
		1825	# now do the right thing for maps
		1826	$self->link_multipart_objects;
1444	$self->difficulty ($self->estimate_difficulty)	1827	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	1828	unless $self->difficulty;
1446	Coro::cede;	1829	Coro::cede;
		1830
		1831	unless ($self->{deny_activate}) {
		1832	$self->decay_objects;
		1833	$self->fix_auto_apply;
		1834	$self->update_buttons;
		1835	Coro::cede;
		1836	$self->set_darkness_map;
		1837	Coro::cede;
1447	$self->activate;	1838	$self->activate;
		1839	}
		1840
		1841	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1842	}
1449		1843
1450	$self->post_load;	1844	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	1845	}
1454		1846
1455	sub customise_for {	1847	sub customise_for {
1456	my ($self, $ob) = @_;	1848	my ($self, $ob) = @_;
1457		1849
1458	return find "~" . $ob->name . "/" . $self->{path}	1850	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	1851	if $self->per_player;
		1852
		1853	# return find "?party/" . $ob->name . "/" . $self->{path}
		1854	# if $self->per_party;
1460		1855
1461	$self	1856	$self
1462	}	1857	}
1463		1858
1464	# find and load all maps in the 3x3 area around a map	1859	# find and load all maps in the 3x3 area around a map
…		…
1575		1970
1576	sub reset_at {	1971	sub reset_at {
1577	my ($self) = @_;	1972	my ($self) = @_;
1578		1973
1579	# TODO: safety, remove and allow resettable per-player maps	1974	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	1975	return 1e99 if $self->{deny_reset};
1582		1976
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1977	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1978	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		1979
…		…
1596	my ($self) = @_;	1990	my ($self) = @_;
1597		1991
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	1992	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		1993
1600	return if $self->players;	1994	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		1995
1603	warn "resetting map ", $self->path;#d#	1996	warn "resetting map ", $self->path;
		1997
		1998	$self->in_memory (cf::MAP_SWAPPED);
		1999
		2000	# need to save uniques path
		2001	unless ($self->{deny_save}) {
		2002	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2003
		2004	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2005	if $uniq;
		2006	}
1604		2007
1605	delete $cf::MAP{$self->path};	2008	delete $cf::MAP{$self->path};
1606		2009
1607	$self->in_memory (cf::MAP_SWAPPED);
1608	$self->clear;	2010	$self->clear;
1609		2011
1610	$_->clear_links_to ($self) for values %cf::MAP;	2012	$_->clear_links_to ($self) for values %cf::MAP;
1611		2013
1612	$self->unlink_save;	2014	$self->unlink_save;
…		…
1631	$cf::MAP{$self->path} = $self;	2033	$cf::MAP{$self->path} = $self;
1632		2034
1633	$self->reset; # polite request, might not happen	2035	$self->reset; # polite request, might not happen
1634	}	2036	}
1635		2037
		2038	=item $maps = cf::map::tmp_maps
		2039
		2040	Returns an arrayref with all map paths of currently instantiated and saved
		2041	maps. May block.
		2042
		2043	=cut
		2044
		2045	sub tmp_maps() {
		2046	[
		2047	map {
		2048	utf8::decode $_;
		2049	/\.map$/
		2050	? normalise $_
		2051	: ()
		2052	} @{ aio_readdir $TMPDIR or [] }
		2053	]
		2054	}
		2055
		2056	=item $maps = cf::map::random_maps
		2057
		2058	Returns an arrayref with all map paths of currently instantiated and saved
		2059	random maps. May block.
		2060
		2061	=cut
		2062
		2063	sub random_maps() {
		2064	[
		2065	map {
		2066	utf8::decode $_;
		2067	/\.map$/
		2068	? normalise "?random/$_"
		2069	: ()
		2070	} @{ aio_readdir $RANDOMDIR or [] }
		2071	]
		2072	}
		2073
1636	=item cf::map::unique_maps	2074	=item cf::map::unique_maps
1637		2075
1638	Returns an arrayref of paths of all shared maps that have	2076	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2077	instantiated unique items. May block.
1640		2078
1641	=cut	2079	=cut
1642		2080
1643	sub unique_maps() {	2081	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2082	[
1645	or return;	2083	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2084	utf8::decode $_;
1651	next if /\.pst$/;	2085	/\.map$/
1652	next unless /^$PATH_SEP/o;	2086	? normalise $_
1653		2087	: ()
1654	push @paths, cf::map::normalise $_;	2088	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2089	]
1656
1657	\@paths
1658	}	2090	}
1659		2091
1660	package cf;	2092	package cf;
1661		2093
1662	=back	2094	=back
…		…
1708		2140
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2141	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2142
1711	if ($self->{record_replies}) {	2143	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2144	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2145
1713	} else {	2146	} else {
		2147	my $pl = $self->contr;
		2148
		2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2150	my $diag = $pl->{npc_dialog};
		2151	$diag->{pl}->ext_reply (
		2152	$diag->{id},
		2153	msgtype => "reply",
		2154	msg => $diag->{pl}->expand_cfpod ($msg),
		2155	add_topics => []
		2156	);
		2157
		2158	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2159	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2160	$self->message ($msg, $flags);
		2161	}
1716	}	2162	}
1717	}	2163	}
1718		2164
1719	=item $player_object->may ("access")	2165	=item $player_object->may ("access")
1720		2166
…		…
1768	$self->deactivate_recursive;	2214	$self->deactivate_recursive;
1769		2215
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2216	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2217
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2218	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2219	if $self->map && $self->map->{path} ne "{link}";
1774		2220
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2221	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2222	}
1777		2223
1778	sub cf::object::player::leave_link {	2224	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2225	my ($self, $map, $x, $y) = @_;
		2226
		2227	return unless $self->contr->active;
1780		2228
1781	my $link_pos = delete $self->{_link_pos};	2229	my $link_pos = delete $self->{_link_pos};
1782		2230
1783	unless ($map) {	2231	unless ($map) {
1784	# restore original map position	2232	# restore original map position
…		…
1802	$map->load;	2250	$map->load;
1803	$map->load_diag;	2251	$map->load_diag;
1804		2252
1805	return unless $self->contr->active;	2253	return unless $self->contr->active;
1806	$self->activate_recursive;	2254	$self->activate_recursive;
		2255
		2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2257	$self->enter_map ($map, $x, $y);
1808	}	2258	}
1809		2259
1810	cf::player->attach (
1811	on_logout => sub {
1812	my ($pl) = @_;
1813
1814	# abort map switching before logout
1815	if ($pl->ob->{_link_pos}) {
1816	cf::sync_job {
1817	$pl->ob->leave_link
1818	};
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823
1824	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841
1842	=item $player_object->goto ($path, $x, $y)	2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1843		2261
		2262	Moves the player to the given map-path and coordinates by first freezing
		2263	her, loading and preparing them map, calling the provided $check callback
		2264	that has to return the map if sucecssful, and then unfreezes the player on
		2265	the new (success) or old (failed) map position.
		2266
1844	=cut	2267	=cut
		2268
		2269	our $GOTOGEN;
1845		2270
1846	sub cf::object::player::goto {	2271	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2272	my ($self, $path, $x, $y, $check) = @_;
		2273
		2274	# do generation counting so two concurrent goto's will be executed in-order
		2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2276
1849	$self->enter_link;	2277	$self->enter_link;
1850		2278
1851	(async {	2279	(async {
1852	my $map = eval {	2280	my $map = eval {
1853	my $map = cf::map::find $path;	2281	my $map = cf::map::find $path;
		2282
		2283	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2284	$map = $map->customise_for ($self);
		2285	$map = $check->($map) if $check && $map;
		2286	} else {
		2287	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2288	}
		2289
1855	$map	2290	$map
		2291	};
		2292
		2293	if ($@) {
		2294	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2295	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2296	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2297
		2298	if ($gen == $self->{_goto_generation}) {
		2299	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2300	$self->leave_link ($map, $x, $y);
		2301	}
1860	})->prio (1);	2302	})->prio (1);
1861	}	2303	}
1862		2304
1863	=item $player_object->enter_exit ($exit_object)	2305	=item $player_object->enter_exit ($exit_object)
1864		2306
…		…
1903		2345
1904	$rmp->{random_seed} ||= $exit->random_seed;	2346	$rmp->{random_seed} ||= $exit->random_seed;
1905		2347
1906	my $data = cf::to_json $rmp;	2348	my $data = cf::to_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2349	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2350	my $meta = "$RANDOMDIR/$md5.meta";
1909		2351
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2352	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2353	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2354	undef $fh;
1913	aio_rename "$meta~", $meta;	2355	aio_rename "$meta~", $meta;
…		…
1922		2364
1923	return unless $self->type == cf::PLAYER;	2365	return unless $self->type == cf::PLAYER;
1924		2366
1925	if ($exit->slaying eq "/!") {	2367	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	2368	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2369	# the problem is that $exit might not survive long enough
		2370	# so it needs to be done right now, right here
1927	cf::sync_job { prepare_random_map $exit };	2371	cf::sync_job { prepare_random_map $exit };
1928	}	2372	}
1929		2373
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2374	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2375	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;	2376	my $sp = $exit->stats->sp;
1933		2377
1934	$self->enter_link;	2378	$self->enter_link;
		2379
		2380	# if exit is damned, update players death & WoR home-position
		2381	$self->contr->savebed ($slaying, $hp, $sp)
		2382	if $exit->flag (FLAG_DAMNED);
1935		2383
1936	(async {	2384	(async {
1937	$self->deactivate_recursive; # just to be sure	2385	$self->deactivate_recursive; # just to be sure
1938	unless (eval {	2386	unless (eval {
1939	$self->goto ($slaying, $hp, $sp);	2387	$self->goto ($slaying, $hp, $sp);
1940		2388
1941	1;	2389	1;
1942	}) {	2390	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2391	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2392	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2393	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2394	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2395
1948	warn "ERROR in enter_exit: $@";	2396	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2397	$self->leave_link;
1950	}	2398	}
1951	})->prio (1);	2399	})->prio (1);
…		…
1964		2412
1965	sub cf::client::send_drawinfo {	2413	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2414	my ($self, $text, $flags) = @_;
1967		2415
1968	utf8::encode $text;	2416	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2417	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2418	}
1971		2419
		2420	=item $client->send_msg ($color, $type, $msg, [extra...])
		2421
		2422	Send a drawinfo or msg packet to the client, formatting the msg for the
		2423	client if neccessary. C<$type> should be a string identifying the type of
		2424	the message, with C<log> being the default. If C<$color> is negative, suppress
		2425	the message unless the client supports the msg packet.
		2426
		2427	=cut
		2428
		2429	sub cf::client::send_msg {
		2430	my ($self, $color, $type, $msg, @extra) = @_;
		2431
		2432	$msg = $self->pl->expand_cfpod ($msg);
		2433
		2434	return unless @extra || length $msg;
		2435
		2436	if ($self->can_msg) {
		2437	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2438	} else {
		2439	# replace some tags by gcfclient-compatible ones
		2440	for ($msg) {
		2441	1 while
		2442	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2443	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2444	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2445	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2446	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2447	}
		2448
		2449	if ($color >= 0) {
		2450	if (0 && $msg =~ /\[/) {
		2451	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2452	} else {
		2453	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2454	$self->send_packet ("drawinfo $color $msg")
		2455	}
		2456	}
		2457	}
		2458	}
		2459
		2460	=item $client->ext_event ($type, %msg)
		2461
		2462	Sends an ext event to the client.
		2463
		2464	=cut
		2465
		2466	sub cf::client::ext_event($$%) {
		2467	my ($self, $type, %msg) = @_;
		2468
		2469	$msg{msgtype} = "event_$type";
		2470	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2471	}
1972		2472
1973	=item $success = $client->query ($flags, "text", \&cb)	2473	=item $success = $client->query ($flags, "text", \&cb)
1974		2474
1975	Queues a query to the client, calling the given callback with	2475	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2476	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2477	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2478
1979	Queries can fail, so check the return code. Or don't, as queries will become	2479	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2480	become reliable at some point in the future.
1981		2481
1982	=cut	2482	=cut
1983		2483
1984	sub cf::client::query {	2484	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2485	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2493	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2494	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2495
1996	$self->send_packet ($self->{query_queue}[0][0])	2496	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2497	if @{ $self->{query_queue} } == 1;
		2498
		2499	1
1998	}	2500	}
1999		2501
2000	cf::client->attach (	2502	cf::client->attach (
		2503	on_connect => sub {
		2504	my ($ns) = @_;
		2505
		2506	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2507	},
2001	on_reply => sub {	2508	on_reply => sub {
2002	my ($ns, $msg) = @_;	2509	my ($ns, $msg) = @_;
2003		2510
2004	# this weird shuffling is so that direct followup queries	2511	# this weird shuffling is so that direct followup queries
2005	# get handled first	2512	# get handled first
…		…
2017	} else {	2524	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2525	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2526	}
2020	}	2527	}
2021	},	2528	},
		2529	on_exticmd => sub {
		2530	my ($ns, $buf) = @_;
		2531
		2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2533
		2534	if (ref $msg) {
		2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2536	if (my %reply = $cb->($ns, $msg)) {
		2537	$reply{msgid} = $msg->{msgid};
		2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2539	}
		2540	}
		2541	} else {
		2542	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2543	}
		2544
		2545	cf::override;
		2546	},
2022	);	2547	);
2023		2548
2024	=item $client->async (\&cb)	2549	=item $client->async (\&cb)
2025		2550
2026	Create a new coroutine, running the specified callback. The coroutine will	2551	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073		2598
2074	# here we export the classes and methods available to script code	2599	# here we export the classes and methods available to script code
2075		2600
2076	=pod	2601	=pod
2077		2602
2078	The following fucntions and emthods are available within a safe environment:	2603	The following functions and methods are available within a safe environment:
2079		2604
2080	cf::object contr pay_amount pay_player map	2605	cf::object
		2606	contr pay_amount pay_player map x y force_find force_add
		2607	insert remove
		2608
2081	cf::object::player player	2609	cf::object::player
2082	cf::player peaceful	2610	player
2083	cf::map trigger	2611
		2612	cf::player
		2613	peaceful
		2614
		2615	cf::map
		2616	trigger
2084		2617
2085	=cut	2618	=cut
2086		2619
2087	for (	2620	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	2621	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2622	insert remove)],
2089	["cf::object::player" => qw(player)],	2623	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	2624	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	2625	["cf::map" => qw(trigger)],
2092	) {	2626	) {
2093	no strict 'refs';	2627	no strict 'refs';
…		…
2164	=back	2698	=back
2165		2699
2166	=cut	2700	=cut
2167		2701
2168	#############################################################################	2702	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	2703	# the server's init and main functions
2278		2704
2279	sub load_resources {	2705	sub load_facedata($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2706	my ($path) = @_;
		2707
		2708	warn "loading facedata from $path\n";
		2709
		2710	my $facedata;
		2711	0 < aio_load $path, $facedata
		2712	or die "$path: $!";
		2713
		2714	$facedata = Coro::Storable::thaw $facedata;
		2715
		2716	$facedata->{version} == 2
		2717	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2718
		2719	{
		2720	my $faces = $facedata->{faceinfo};
		2721
		2722	while (my ($face, $info) = each %$faces) {
		2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2727	Coro::cede;
		2728	}
		2729
		2730	while (my ($face, $info) = each %$faces) {
		2731	next unless $info->{smooth};
		2732	my $idx = cf::face::find $face
		2733	or next;
		2734	if (my $smooth = cf::face::find $info->{smooth}) {
		2735	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2736	} else {
		2737	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2738	}
		2739	Coro::cede;
		2740	}
		2741	}
		2742
		2743	{
		2744	my $anims = $facedata->{animinfo};
		2745
		2746	while (my ($anim, $info) = each %$anims) {
		2747	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2748	Coro::cede;
		2749	}
		2750
		2751	cf::anim::invalidate_all; # d'oh
		2752	}
		2753
		2754	1
		2755	}
		2756
		2757	sub reload_regions {
		2758	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	2759	or die "unable to load regions file\n";
		2760	}
		2761
		2762	sub reload_facedata {
		2763	load_facedata "$DATADIR/facedata"
		2764	or die "unable to load facedata\n";
		2765	}
		2766
		2767	sub reload_archetypes {
		2768	load_resource_file "$DATADIR/archetypes"
		2769	or die "unable to load archetypes\n";
		2770	#d# NEED to laod twice to resolve forward references
		2771	# this really needs to be done in an extra post-pass
		2772	# (which needs to be synchronous, so solve it differently)
		2773	load_resource_file "$DATADIR/archetypes"
		2774	or die "unable to load archetypes\n";
		2775	}
		2776
		2777	sub reload_treasures {
		2778	load_resource_file "$DATADIR/treasures"
		2779	or die "unable to load treasurelists\n";
		2780	}
		2781
		2782	sub reload_resources {
		2783	warn "reloading resource files...\n";
		2784
		2785	reload_regions;
		2786	reload_facedata;
		2787	#reload_archetypes;#d#
		2788	reload_archetypes;
		2789	reload_treasures;
		2790
		2791	warn "finished reloading resource files\n";
		2792	}
		2793
		2794	sub init {
		2795	reload_resources;
2282	}	2796	}
2283		2797
2284	sub cfg_load {	2798	sub cfg_load {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	2799	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	2800	or return;
2287		2801
2288	local $/;	2802	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	2803	*CFG = YAML::Syck::Load <$fh>;
2290		2804
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2812	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	2813	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	2814	};
2301	warn $@ if $@;	2815	warn $@ if $@;
2302	}	2816	}
2303	}
2304
2305	sub init {
2306	load_resources;
2307	}	2817	}
2308		2818
2309	sub main {	2819	sub main {
2310	# we must not ever block the main coroutine	2820	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	2821	local $Coro::idle = sub {
…		…
2314	Event::one_event;	2824	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	2825	})->prio (Coro::PRIO_MAX);
2316	};	2826	};
2317		2827
2318	cfg_load;	2828	cfg_load;
2319	db_load;	2829	db_init;
2320	load_extensions;	2830	load_extensions;
2321		2831
2322	$TICK_WATCHER->start;	2832	$TICK_WATCHER->start;
2323	Event::loop;	2833	Event::loop;
2324	}	2834	}
…		…
2339	},	2849	},
2340	);	2850	);
2341	}	2851	}
2342	}	2852	}
2343		2853
		2854	sub write_runtime {
		2855	my $runtime = "$LOCALDIR/runtime";
		2856
		2857	# first touch the runtime file to show we are still running:
		2858	# the fsync below can take a very very long time.
		2859
		2860	IO::AIO::aio_utime $runtime, undef, undef;
		2861
		2862	my $guard = cf::lock_acquire "write_runtime";
		2863
		2864	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2865	or return;
		2866
		2867	my $value = $cf::RUNTIME + 90 + 10;
		2868	# 10 is the runtime save interval, for a monotonic clock
		2869	# 60 allows for the watchdog to kill the server.
		2870
		2871	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2872	and return;
		2873
		2874	# always fsync - this file is important
		2875	aio_fsync $fh
		2876	and return;
		2877
		2878	# touch it again to show we are up-to-date
		2879	aio_utime $fh, undef, undef;
		2880
		2881	close $fh
		2882	or return;
		2883
		2884	aio_rename "$runtime~", $runtime
		2885	and return;
		2886
		2887	warn "runtime file written.\n";
		2888
		2889	1
		2890	}
		2891
2344	sub emergency_save() {	2892	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	2893	my $freeze_guard = cf::freeze_mainloop;
2346		2894
2347	warn "enter emergency perl save\n";	2895	warn "enter emergency perl save\n";
2348		2896
…		…
2363	my $map = $cf::MAP{$path} or next;	2911	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	2912	$map->valid or next;
2365	$map->save;	2913	$map->save;
2366	}	2914	}
2367	warn "end emergency map save\n";	2915	warn "end emergency map save\n";
		2916
		2917	warn "begin emergency database checkpoint\n";
		2918	BDB::db_env_txn_checkpoint $DB_ENV;
		2919	warn "end emergency database checkpoint\n";
2368	};	2920	};
2369		2921
2370	warn "leave emergency perl save\n";	2922	warn "leave emergency perl save\n";
2371	}	2923	}
2372		2924
		2925	sub post_cleanup {
		2926	my ($make_core) = @_;
		2927
		2928	warn Carp::longmess "post_cleanup backtrace"
		2929	if $make_core;
		2930	}
		2931
2373	sub reload() {	2932	sub do_reload_perl() {
2374	# can/must only be called in main	2933	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	2934	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	2935	warn "can only reload from main coroutine";
2377	return;	2936	return;
2378	}	2937	}
2379		2938
2380	warn "reloading...";	2939	warn "reloading...";
2381		2940
2382	warn "cancelling server ticker";	2941	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		2942
		2943	cf::sync_job {
		2944	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	2945	cf::emergency_save;
		2946	cf::write_runtime; # external watchdog should not bark
2386		2947
2387	eval {	2948	warn "syncing database to disk";
		2949	BDB::db_env_txn_checkpoint $DB_ENV;
		2950
2388	# if anything goes wrong in here, we should simply crash as we already saved	2951	# if anything goes wrong in here, we should simply crash as we already saved
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392		2952
2393	warn "cancelling all WF_AUTOCANCEL watchers";	2953	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	2954	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	2955	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	2956	}
2397		2957
2398	warn "flushing outstanding aio requests";	2958	warn "flushing outstanding aio requests";
2399	for (;;) {	2959	for (;;) {
		2960	BDB::flush;
2400	IO::AIO::flush;	2961	IO::AIO::flush;
2401	Coro::cede;	2962	Coro::cede;
2402	last unless IO::AIO::nreqs;	2963	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	2964	warn "iterate...";
2404	}	2965	}
		2966
		2967	++$RELOAD;
2405		2968
2406	warn "cancelling all extension coros";	2969	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	2970	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	2971	%EXT_CORO = ();
2409		2972
2410	warn "removing commands";	2973	warn "removing commands";
2411	%COMMAND = ();	2974	%COMMAND = ();
2412		2975
2413	warn "removing ext commands";	2976	warn "removing ext/exti commands";
2414	%EXTCMD = ();	2977	%EXTCMD = ();
		2978	%EXTICMD = ();
2415		2979
2416	warn "unloading/nuking all extensions";	2980	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	2981	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	2982	warn "... unloading $pkg";
2419		2983
…		…
2449	Symbol::delete_package "safe::$_"	3013	Symbol::delete_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3014	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3015
2452	warn "unloading cf.pm \"a bit\"";	3016	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3017	delete $INC{"cf.pm"};
		3018	delete $INC{"cf/pod.pm"};
2454		3019
2455	# don't, removes xs symbols, too,	3020	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3021	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3022	#Symbol::delete_package __PACKAGE__;
2458		3023
…		…
2462	require cf;	3027	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3028	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3029
2465	warn "loading config and database again";	3030	warn "loading config and database again";
2466	cf::cfg_load;	3031	cf::cfg_load;
2467	cf::db_load;
2468		3032
2469	warn "loading extensions";	3033	warn "loading extensions";
2470	cf::load_extensions;	3034	cf::load_extensions;
2471		3035
2472	warn "reattaching attachments to objects/players";	3036	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3037	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3038	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3039	reattach $_ for values %MAP;
		3040	warn "reattaching attachments to players";
		3041	reattach $_ for values %PLAYER;
2476		3042
2477	warn "loading reloadable resources";	3043	warn "leaving sync_job";
2478	load_resources;
2479		3044
2480	warn "restarting server ticker";	3045	1
2481		3046	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	3047	warn $@;
2487	warn "error while reloading, exiting.";	3048	warn "error while reloading, exiting.";
2488	exit 1;	3049	exit 1;
2489	}	3050	};
2490		3051
2491	warn "reloaded";	3052	warn "reloaded";
2492	};	3053	};
2493		3054
2494	our $RELOAD_WATCHER; # used only during reload	3055	our $RELOAD_WATCHER; # used only during reload
2495		3056
		3057	sub reload_perl() {
		3058	# doing reload synchronously and two reloads happen back-to-back,
		3059	# coro crashes during coro_state_free->destroy here.
		3060
		3061	$RELOAD_WATCHER ||= Event->timer (
		3062	reentrant => 0,
		3063	after => 0,
		3064	data => WF_AUTOCANCEL,
		3065	cb => sub {
		3066	do_reload_perl;
		3067	undef $RELOAD_WATCHER;
		3068	},
		3069	);
		3070	}
		3071
2496	register_command "reload" => sub {	3072	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3073	my ($who, $arg) = @_;
2498		3074
2499	if ($who->flag (FLAG_WIZ)) {	3075	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3076	$who->message ("reloading server.");
2501		3077	async { reload_perl };
2502	# doing reload synchronously and two reloads happen back-to-back,
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);
2514	}	3078	}
2515	};	3079	};
2516		3080
2517	unshift @INC, $LIBDIR;	3081	unshift @INC, $LIBDIR;
2518		3082
2519	my $bug_warning = 0;	3083	my $bug_warning = 0;
2520		3084
		3085	our @WAIT_FOR_TICK;
		3086	our @WAIT_FOR_TICK_BEGIN;
		3087
		3088	sub wait_for_tick {
		3089	return unless $TICK_WATCHER->is_active;
		3090	return if $Coro::current == $Coro::main;
		3091
		3092	my $signal = new Coro::Signal;
		3093	push @WAIT_FOR_TICK, $signal;
		3094	$signal->wait;
		3095	}
		3096
		3097	sub wait_for_tick_begin {
		3098	return unless $TICK_WATCHER->is_active;
		3099	return if $Coro::current == $Coro::main;
		3100
		3101	my $signal = new Coro::Signal;
		3102	push @WAIT_FOR_TICK_BEGIN, $signal;
		3103	$signal->wait;
		3104	}
		3105
		3106	my $min = 1e6;#d#
		3107	my $avg = 10;
2521	$TICK_WATCHER = Event->timer (	3108	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	3109	reentrant => 0,
2523	parked => 1,	3110	parked => 1,
2524	prio => 0,	3111	prio => 0,
2525	at => $NEXT_TICK || $TICK,	3112	at => $NEXT_TICK || $TICK,
…		…
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3116	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3117	unless ++$bug_warning > 10;
2531	return;	3118	return;
2532	}	3119	}
2533		3120
2534	$NOW = Event::time;	3121	$NOW = $tick_start = Event::time;
2535		3122
2536	cf::server_tick; # one server iteration	3123	cf::server_tick; # one server iteration
		3124
		3125	0 && sync_job {#d#
		3126	for(1..10) {
		3127	my $t = Event::time;
		3128	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3129	or die;
		3130
		3131	$map->width (50);
		3132	$map->height (50);
		3133	$map->alloc;
		3134	$map->_load_objects ("/tmp/x.map", 1);
		3135	my $t = Event::time - $t;
		3136
		3137	#next unless $t < 0.0013;#d#
		3138	if ($t < $min) {
		3139	$min = $t;
		3140	}
		3141	$avg = $avg * 0.99 + $t * 0.01;
		3142	}
		3143	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3144	exit 0;
		3145	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3146	};
		3147
2537	$RUNTIME += $TICK;	3148	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	3149	$NEXT_TICK += $TICK;
2539		3150
2540	$WAIT_FOR_TICK->broadcast;	3151	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3152	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		3153	Coro::async_pool {
2543	Event::sweep;	3154	write_runtime
2544	Coro::cede_notself;	3155	or warn "ERROR: unable to write runtime file: $!";
		3156	};
2545		3157	}
		3158
2546	# my $AFTER = Event::time;	3159	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#	3160	# warn $AFTER - $NOW;#d#
2548		3161
		3162	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3163	$sig->send;
		3164	}
		3165	while (my $sig = shift @WAIT_FOR_TICK) {
		3166	$sig->send;
		3167	}
		3168
		3169	$NOW = Event::time;
		3170
2549	# if we are delayed by four ticks or more, skip them all	3171	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3172	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2551		3173
2552	$TICK_WATCHER->at ($NEXT_TICK);	3174	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;	3175	$TICK_WATCHER->start;
		3176
		3177	$LOAD = ($NOW - $tick_start) / $TICK;
		3178	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3179
		3180	_post_tick;
		3181
		3182
2554	},	3183	},
2555	);	3184	);
2556		3185
		3186	{
		3187	BDB::max_poll_time $TICK * 0.1;
		3188	$BDB_POLL_WATCHER = Event->io (
		3189	reentrant => 0,
		3190	fd => BDB::poll_fileno,
		3191	poll => 'r',
		3192	prio => 0,
		3193	data => WF_AUTOCANCEL,
		3194	cb => \&BDB::poll_cb,
		3195	);
		3196	BDB::min_parallel 8;
		3197
		3198	BDB::set_sync_prepare {
		3199	my $status;
		3200	my $current = $Coro::current;
		3201	(
		3202	sub {
		3203	$status = $!;
		3204	$current->ready; undef $current;
		3205	},
		3206	sub {
		3207	Coro::schedule while defined $current;
		3208	$! = $status;
		3209	},
		3210	)
		3211	};
		3212
		3213	unless ($DB_ENV) {
		3214	$DB_ENV = BDB::db_env_create;
		3215
		3216	cf::sync_job {
		3217	eval {
		3218	BDB::db_env_open
		3219	$DB_ENV,
		3220	$BDBDIR,
		3221	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3222	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3223	0666;
		3224
		3225	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3226
		3227	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3228	$DB_ENV->set_lk_detect;
		3229	};
		3230
		3231	cf::cleanup "db_env_open(db): $@" if $@;
		3232	};
		3233	}
		3234	}
		3235
		3236	{
		3237	IO::AIO::min_parallel 8;
		3238
		3239	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	3240	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	3241	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	3242	reentrant => 0,
		3243	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	3244	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	3245	poll => 'r',
2564	prio => 6,	3246	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	3247	cb => \&IO::AIO::poll_cb,
2567	);	3248	);
		3249	}
2568		3250
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	3251	my $_log_backtrace;
2570	reentrant => 0,	3252
2571	data => WF_AUTOCANCEL,	3253	sub _log_backtrace {
2572	after => 1,	3254	my ($msg, @addr) = @_;
2573	interval => 10,	3255
2574	prio => 6, # keep it lowest so it acts like a watchdog	3256	$msg =~ s/\n//;
2575	cb => Coro::unblock_sub {	3257
2576	write_runtime	3258	# limit the # of concurrent backtraces
2577	or warn "ERROR: unable to write runtime file: $!";	3259	if ($_log_backtrace < 2) {
		3260	++$_log_backtrace;
		3261	async {
		3262	my @bt = fork_call {
		3263	@addr = map { sprintf "%x", $_ } @addr;
		3264	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3265	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3266	or die "addr2line: $!";
		3267
		3268	my @funcs;
		3269	my @res = <$fh>;
		3270	chomp for @res;
		3271	while (@res) {
		3272	my ($func, $line) = splice @res, 0, 2, ();
		3273	push @funcs, "[$func] $line";
		3274	}
		3275
		3276	@funcs
		3277	};
		3278
		3279	LOG llevInfo, "[ABT] $msg\n";
		3280	LOG llevInfo, "[ABT] $_\n" for @bt;
		3281	--$_log_backtrace;
		3282	};
		3283	} else {
		3284	LOG llevInfo, "[ABT] $msg\n";
		3285	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	3286	}
2579	);	3287	}
		3288
		3289	# load additional modules
		3290	use cf::pod;
2580		3291
2581	END { cf::emergency_save }	3292	END { cf::emergency_save }
2582		3293
2583	1	3294	1
2584		3295

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