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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.205 by root, Mon Feb 5 18:29:20 2007 UTC vs.
Revision 1.304 by root, Wed Jul 11 16:55:18 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;
		34	use Digest::MD5 ();
26		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
43		59
		60	our $RELOAD; # number of reloads so far
44	our @EVENT;	61	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		62
47	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	76	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	79	our $NEXT_TICK;
52	our $NOW;	80	our $NOW;
53	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
54		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
		85
55	our %CFG;	86	our %CFG;
56		87
57	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	89	our $RUNTIME;
59		90
60	our %PLAYER; # all users	91	our %PLAYER; # all users
61	our %MAP; # all maps	92	our %MAP; # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	93	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		94
68	# 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 ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		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 $tick_start; # for load detecting purposes
		101
71	binmode STDOUT;	102	binmode STDOUT;
72	binmode STDERR;	103	binmode STDERR;
73		104
74	# read virtual server time, if available	105	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
79	}	110	}
80		111
81	mkdir cf::localdir;	112	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		114
87	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
88		116
89	sub cf::map::normalise;	117	sub cf::map::normalise;
90		118
…		…
101	=item $cf::RUNTIME	129	=item $cf::RUNTIME
102		130
103	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
104	every server tick.	132	every server tick.
105		133
106	=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
107		137
108	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
109	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.
110		142
111	=item $cf::NOW	143	=item $cf::NOW
112		144
113	The time of the last (current) server tick.	145	The time of the last (current) server tick.
114		146
115	=item $cf::TICK	147	=item $cf::TICK
116		148
117	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.
118		160
119	=item %cf::CFG	161	=item %cf::CFG
120		162
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
122	from wherever your confdir points to.	164	from wherever your confdir points to.
123		165
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		167
126	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
127	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
128	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.
129	window of cpu time available, or simply to synchronise to the server tick.
130		171
131	=back	172	=back
132		173
133	=cut	174	=cut
134		175
135	BEGIN {	176	BEGIN {
136	*CORE::GLOBAL::warn = sub {	177	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	178	my $msg = join "", @_;
138	utf8::encode $msg;
139		179
140	$msg .= "\n"	180	$msg .= "\n"
141	unless $msg =~ /\n$/;	181	unless $msg =~ /\n$/;
142		182
		183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		184
		185	utf8::encode $msg;
143	LOG llevError, $msg;	186	LOG llevError, $msg;
144	};	187	};
145	}	188	}
146		189
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	194	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		195	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
152	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	196	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
153		197
154	# we bless all objects into (empty) derived classes to force a method lookup	198	# we bless all objects into (empty) derived classes to force a method lookup
155	# within the Safe compartment.	199	# within the Safe compartment.
156	for my $pkg (qw(	200	for my $pkg (qw(
157	cf::global cf::attachable	201	cf::global cf::attachable
…		…
165	}	209	}
166		210
167	$Event::DIED = sub {	211	$Event::DIED = sub {
168	warn "error in event callback: @_";	212	warn "error in event callback: @_";
169	};	213	};
		214
		215	#############################################################################
170		216
171	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
172		218
173	=over 4	219	=over 4
174		220
…		…
193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
194	$d	240	$d
195	} || "[unable to dump $_[0]: '$@']";	241	} || "[unable to dump $_[0]: '$@']";
196	}	242	}
197		243
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
201		245
202	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
203		247
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
212		249
213	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
214		251
215	=cut	252	=cut
216		253
217	sub to_json($) {	254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
219	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
220	}	257	sub from_json ($) { $json_coder->decode ($_[0]) }
221		258
222	=item cf::lock_wait $string	259	=item cf::lock_wait $string
223		260
224	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
225		262
…		…
231	returned.	268	returned.
232		269
233	Lock names should begin with a unique identifier (for example, cf::map::find	270	Lock names should begin with a unique identifier (for example, cf::map::find
234	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
235		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
236	=cut	277	=cut
237		278
238	our %LOCK;	279	our %LOCK;
239		280
240	sub lock_wait($) {	281	sub lock_wait($) {
…		…
259	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
261	}	302	}
262	}	303	}
263		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
		309	}
		310
264	sub freeze_mainloop {	311	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
266		313
267	my $guard = Coro::guard {	314	my $guard = Coro::guard {
268	$TICK_WATCHER->start;	315	$TICK_WATCHER->start;
269	$WRITE_RUNTIME_WATCHER->start;
270	};	316	};
271	$WRITE_RUNTIME_WATCHER->stop;
272	$TICK_WATCHER->stop;	317	$TICK_WATCHER->stop;
273	$guard	318	$guard
274	}	319	}
275		320
276	=item cf::async { BLOCK }	321	=item cf::async { BLOCK }
…		…
283		328
284	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
285		330
286	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
287		332
288	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
291		337
292	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
295	fast or be very important.	341	fast or be very important.
…		…
298		344
299	sub sync_job(&) {	345	sub sync_job(&) {
300	my ($job) = @_;	346	my ($job) = @_;
301		347
302	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
303	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
305		353
306	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
307	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
318		366
319	while ($busy) {	367	while ($busy) {
320	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
321	}	369	}
322		370
		371	$time = Event::time - $time;
		372
		373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		375
		376	$tick_start += $time; # do not account sync jobs to server load
		377
323	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
324	} else {	379	} else {
325	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
326		381
327	$job->()	382	$job->()
…		…
346	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
347		402
348	$coro	403	$coro
349	}	404	}
350		405
351	sub write_runtime {	406	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		407
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
355	or return;	409	process, returning the results. Everything must be serialisable with
		410	Coro::Storable. May, of course, block. Note that the executed sub may
		411	never block itself or use any form of Event handling.
356		412
357	my $value = $cf::RUNTIME + 90 + 10;	413	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		414
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	415	sub _store_scalar {
362	and return;	416	open my $fh, ">", \my $buf
363		417	or die "fork_call: cannot open fh-to-buf in child : $!";
364	# always fsync - this file is important	418	Storable::store_fd $_[0], $fh;
365	aio_fsync $fh
366	and return;
367
368	close $fh	419	close $fh;
369	or return;
370		420
371	aio_rename "$runtime~", $runtime	421	$buf
372	and return;	422	}
373		423
		424	sub fork_call(&@) {
		425	my ($cb, @args) = @_;
		426
		427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		428	# or die "socketpair: $!";
		429	pipe my $fh1, my $fh2
		430	or die "pipe: $!";
		431
		432	if (my $pid = fork) {
		433	close $fh2;
		434
		435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		436	warn "pst<$res>" unless $res =~ /^pst/;
		437	$res = Coro::Storable::thaw $res;
		438
		439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		440
		441	Carp::confess $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
374	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		499	my $key = "$_[0]/$_[1]";
		500
		501	cf::sync_job {
		502	BDB::db_get $DB, undef, $key, my $data;
		503
		504	$! ? ()
		505	: $data
		506	}
		507	}
		508
		509	sub db_put($$$) {
		510	BDB::dbreq_pri 4;
		511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		512	}
		513
		514	=item cf::cache $id => [$paths...], $processversion => $process
		515
		516	Generic caching function that returns the value of the resource $id,
		517	caching and regenerating as required.
		518
		519	This function can block.
		520
		521	=cut
		522
		523	sub cache {
		524	my ($id, $src, $processversion, $process) = @_;
		525
		526	my $meta =
		527	join "\x00",
		528	$processversion,
		529	map {
		530	aio_stat $_
		531	and Carp::croak "$_: $!";
		532
		533	($_, (stat _)[7,9])
		534	} @$src;
		535
		536	my $dbmeta = db_get cache => "$id/meta";
		537	if ($dbmeta ne $meta) {
		538	# changed, we may need to process
		539
		540	my @data;
		541	my $md5;
		542
		543	for (0 .. $#$src) {
		544	0 <= aio_load $src->[$_], $data[$_]
		545	or Carp::croak "$src->[$_]: $!";
		546	}
		547
		548	# if processing is expensive, check
		549	# checksum first
		550	if (1) {
		551	$md5 =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	Coro::cede;
		556	($src->[$_], Digest::MD5::md5_hex $data[$_])
		557	} 0.. $#$src;
		558
		559
		560	my $dbmd5 = db_get cache => "$id/md5";
		561	if ($dbmd5 eq $md5) {
		562	db_put cache => "$id/meta", $meta;
		563
		564	return db_get cache => "$id/data";
		565	}
		566	}
		567
		568	my $t1 = Time::HiRes::time;
		569	my $data = $process->(\@data);
		570	my $t2 = Time::HiRes::time;
		571
		572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		573
		574	db_put cache => "$id/data", $data;
		575	db_put cache => "$id/md5" , $md5;
		576	db_put cache => "$id/meta", $meta;
		577
		578	return $data;
		579	}
		580
		581	db_get cache => "$id/data"
		582	}
		583
		584	=item cf::datalog type => key => value, ...
		585
		586	Log a datalog packet of the given type with the given key-value pairs.
		587
		588	=cut
		589
		590	sub datalog($@) {
		591	my ($type, %kv) = @_;
		592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	593	}
376		594
377	=back	595	=back
378		596
379	=cut	597	=cut
…		…
386	attach callbacks/event handlers (a collection of which is called an "attachment")	604	attach callbacks/event handlers (a collection of which is called an "attachment")
387	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
388		606
389	In the following description, CLASS can be any of C<global>, C<object>	607	In the following description, CLASS can be any of C<global>, C<object>
390	C<player>, C<client> or C<map> (i.e. the attachable objects in	608	C<player>, C<client> or C<map> (i.e. the attachable objects in
391	crossfire+).	609	Crossfire TRT).
392		610
393	=over 4	611	=over 4
394		612
395	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
396		614
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
560		778
561	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		783
566	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	785	my $pkg = shift @arg;
568		786
569	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
599	}	817	}
600		818
601	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
602	} else {	820	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	822	}
605		823
606	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
607	}	825	}
608		826
…		…
610	if (ref $_[0]) {	828	if (ref $_[0]) {
611	_object_attach @_;	829	_object_attach @_;
612	} else {	830	} else {
613	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
614	}	832	}
		833	_recalc_want;
615	};	834	};
616		835
617	# all those should be optimised	836	# all those should be optimised
618	sub cf::attachable::detach {	837	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
623	reattach ($obj);	842	reattach ($obj);
624	} else {	843	} else {
625	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
626	}	845	}
		846	_recalc_want;
627	};	847	};
628		848
629	sub cf::attachable::attached {	849	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
631		851
…		…
778	}	998	}
779	} else {	999	} else {
780	aio_unlink $filename;	1000	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1001	aio_unlink "$filename.pst";
782	}	1002	}
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	}	1003	}
790	}	1004	}
791		1005
792	sub object_freezer_as_string {	1006	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1007	my ($rdata, $objs) = @_;
…		…
799		1013
800	sub object_thawer_load {	1014	sub object_thawer_load {
801	my ($filename) = @_;	1015	my ($filename) = @_;
802		1016
803	my ($data, $av);	1017	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1018
808	(aio_load $filename, $data) >= 0	1019	(aio_load $filename, $data) >= 0
809	or return;	1020	or return;
810		1021
811	unless (aio_stat "$filename.pst") {	1022	unless (aio_stat "$filename.pst") {
…		…
813	or return;	1024	or return;
814	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1026	}
816		1027
817	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1029	$filename, length $data, scalar @{$av || []};
819	return ($data, $av);	1030	return ($data, $av);
820	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
821		1038
822	#############################################################################	1039	#############################################################################
823	# command handling &c	1040	# command handling &c
824		1041
825	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1056	}
840		1057
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1059
843	Register a callbackf ro execution when the client sends an extcmd packet.	1060	Register a callback for execution when the client sends an (synchronous)
		1061	extcmd packet. Ext commands will be processed in the order they are
		1062	received by the server, like other user commands. The first argument is
		1063	the logged-in player. Ext commands can only be processed after a player
		1064	has logged in successfully.
844		1065
845	If the callback returns something, it is sent back as if reply was being	1066	If the callback returns something, it is sent back as if reply was being
846	called.	1067	called.
847		1068
		1069	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1070
		1071	Register a callback for execution when the client sends an (asynchronous)
		1072	exticmd packet. Exti commands are processed by the server as soon as they
		1073	are received, i.e. out of order w.r.t. other commands. The first argument
		1074	is a client socket. Exti commands can be received anytime, even before
		1075	log-in.
		1076
		1077	If the callback returns something, it is sent back as if reply was being
		1078	called.
		1079
848	=cut	1080	=cut
849		1081
850	sub register_extcmd {	1082	sub register_extcmd {
851	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
852		1084
853	$EXTCMD{$name} = $cb;	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
854	}	1092	}
855		1093
856	cf::player->attach (	1094	cf::player->attach (
857	on_command => sub {	1095	on_command => sub {
858	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1105	cf::override;
868	},	1106	},
869	on_extcmd => sub {	1107	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
871		1109
872	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1111
874	if (ref $msg) {	1112	if (ref $msg) {
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
876	if (my %reply = $cb->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
877	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
883		1121
884	cf::override;	1122	cf::override;
885	},	1123	},
886	);	1124	);
887		1125
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 {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
923	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1131	next unless -r $path;
925	eval {	1132
926	load_extension $ext;	1133	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1134	my $base = $1;
		1135	my $pkg = $1;
		1136	$pkg =~ s/[^[:word:]]/_/g;
		1137	$pkg = "ext::$pkg";
		1138
		1139	open my $fh, "<:utf8", $path
		1140	or die "$path: $!";
		1141
		1142	my $source = do { local $/; <$fh> };
		1143
		1144	my %ext = (
		1145	path => $path,
		1146	base => $base,
		1147	pkg => $pkg,
		1148	);
		1149
		1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1152
		1153	$ext{source} =
		1154	"package $pkg; use strict; use utf8;\n"
		1155	. "#line 1 \"$path\"\n{\n"
		1156	. $source
		1157	. "\n};\n1";
		1158
		1159	$todo{$base} = \%ext;
		1160	}
		1161
		1162	my %done;
		1163	while (%todo) {
		1164	my $progress;
		1165
		1166	while (my ($k, $v) = each %todo) {
		1167	for (split /,\s*/, $v->{meta}{depends}) {
		1168	goto skip
		1169	unless exists $done{$_};
		1170	}
		1171
		1172	warn "... loading '$k' into '$v->{pkg}'\n";
		1173
		1174	unless (eval $v->{source}) {
		1175	my $msg = $@ ? "$v->{path}: $@\n"
		1176	: "$v->{base}: extension inactive.\n";
		1177
		1178	if (exists $v->{meta}{mandatory}) {
		1179	warn $msg;
		1180	warn "mandatory extension failed to load, exiting.\n";
		1181	exit 1;
		1182	}
		1183
		1184	warn $msg;
		1185	}
		1186
		1187	$done{$k} = delete $todo{$k};
		1188	push @EXTS, $v->{pkg};
		1189	$progress = 1;
927	1	1190	}
928	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
929	}	1196	};
930	}	1197	}
931		1198
932	#############################################################################	1199	#############################################################################
933		1200
		1201	=back
		1202
934	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
935		1204
936	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
937		1206
938	=cut	1207	=cut
…		…
950	Returns the given player object, loading it if necessary (might block).	1219	Returns the given player object, loading it if necessary (might block).
951		1220
952	=cut	1221	=cut
953		1222
954	sub playerdir($) {	1223	sub playerdir($) {
955	cf::localdir	1224	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1225	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1226	}
961		1227
962	sub path($) {	1228	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1229	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1230
965	(playerdir $login) . "/$login.pl"	1231	(playerdir $login) . "/playerdata"
966	}	1232	}
967		1233
968	sub find_active($) {	1234	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1235	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1236	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1249	my $login = $_[0];
984		1250
985	my $guard = cf::lock_acquire "user_find:$login";	1251	my $guard = cf::lock_acquire "user_find:$login";
986		1252
987	$cf::PLAYER{$_[0]} || do {	1253	$cf::PLAYER{$_[0]} || do {
		1254	# rename old playerfiles to new ones
		1255	#TODO: remove when no longer required
		1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1259	aio_unlink +(playerdir $login) . "/$login.pl";
		1260
988	my $pl = load_pl path $login	1261	my $pl = load_pl path $login
989	or return;	1262	or return;
990	$cf::PLAYER{$login} = $pl	1263	$cf::PLAYER{$login} = $pl
991	}	1264	}
992	}	1265	}
…		…
1029		1302
1030	=cut	1303	=cut
1031		1304
1032	sub quit_character {	1305	sub quit_character {
1033	my ($pl) = @_;	1306	my ($pl) = @_;
		1307
		1308	my $name = $pl->ob->name;
1034		1309
1035	$pl->{deny_save} = 1;	1310	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1311	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1312
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1318	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1319	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1320	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1321	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1322	$pl->destroy;
		1323
		1324	my $prefix = qr<^~\Q$name\E/>;
		1325
		1326	# nuke player maps
		1327	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1328
1048	IO::AIO::aio_rmtree $temp;	1329	IO::AIO::aio_rmtree $temp;
		1330	}
		1331
		1332	=item $pl->kick
		1333
		1334	Kicks a player out of the game. This destroys the connection.
		1335
		1336	=cut
		1337
		1338	sub kick {
		1339	my ($pl, $kicker) = @_;
		1340
		1341	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1342	$pl->killer ("kicked");
		1343	$pl->ns->destroy;
1049	}	1344	}
1050		1345
1051	=item cf::player::list_logins	1346	=item cf::player::list_logins
1052		1347
1053	Returns am arrayref of all valid playernames in the system, can take a	1348	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1349	while and may block, so not sync_job-capable, ever.
1055		1350
1056	=cut	1351	=cut
1057		1352
1058	sub list_logins {	1353	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1354	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1355	or return [];
1061		1356
1062	my @logins;	1357	my @logins;
1063		1358
1064	for my $login (@$dirs) {	1359	for my $login (@$dirs) {
…		…
1099	}	1394	}
1100		1395
1101	\@paths	1396	\@paths
1102	}	1397	}
1103		1398
		1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1400
		1401	Expand crossfire pod fragments into protocol xml.
		1402
		1403	=cut
		1404
		1405	sub expand_cfpod {
		1406	((my $self), (local $_)) = @_;
		1407
		1408	# escape & and <
		1409	s/&/&amp;/g;
		1410	s/(?<![BIUGH])</&lt;/g;
		1411
		1412	# this is buggy, it needs to properly take care of nested <'s
		1413
		1414	1 while
		1415	# replace B<>, I<>, U<> etc.
		1416	s/B<([^\>]*)>/<b>$1<\/b>/
		1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1419	# replace G<male|female> tags
		1420	|| s{G<([^>|]*)\|([^>]*)>}{
		1421	$self->gender ? $2 : $1
		1422	}ge
		1423	# replace H<hint text>
		1424	|| s{H<([^\>]*)>}
		1425	{
		1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1428	"")
		1429	[$self->{hintmode}]
		1430	}ge;
		1431
		1432	# create single paragraphs (very hackish)
		1433	s/(?<=\S)\n(?=\w)/ /g;
		1434
		1435	# compress some whitespace
		1436	s/\s+\n/\n/g; # ws line-ends
		1437	s/\n\n+/\n/g; # double lines
		1438	s/^\n+//; # beginning lines
		1439	s/\n+$//; # ending lines
		1440
		1441	$_
		1442	}
		1443
		1444	sub hintmode {
		1445	$_[0]{hintmode} = $_[1] if @_ > 1;
		1446	$_[0]{hintmode}
		1447	}
		1448
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1105		1450
1106	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1107		1452
1108	=cut	1453	=cut
1109		1454
1110	sub ext_reply($$$%) {	1455	sub ext_reply($$%) {
1111	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1112		1457
1113	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1114		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1460	}
1117		1461
1118	package cf;	1462	=item $player->ext_event ($type, %msg)
		1463
		1464	Sends an ext event to the client.
		1465
		1466	=cut
		1467
		1468	sub ext_event($$%) {
		1469	my ($self, $type, %msg) = @_;
		1470
		1471	$self->ns->ext_event ($type, %msg);
		1472	}
		1473
		1474	=head3 cf::region
		1475
		1476	=over 4
		1477
		1478	=cut
		1479
		1480	package cf::region;
		1481
		1482	=item cf::region::find_by_path $path
		1483
		1484	Tries to decuce the likely region for a map knowing only its path.
		1485
		1486	=cut
		1487
		1488	sub find_by_path($) {
		1489	my ($path) = @_;
		1490
		1491	my ($match, $specificity);
		1492
		1493	for my $region (list) {
		1494	if ($region->{match} && $path =~ $region->{match}) {
		1495	($match, $specificity) = ($region, $region->specificity)
		1496	if $region->specificity > $specificity;
		1497	}
		1498	}
		1499
		1500	$match
		1501	}
1119		1502
1120	=back	1503	=back
1121
1122		1504
1123	=head3 cf::map	1505	=head3 cf::map
1124		1506
1125	=over 4	1507	=over 4
1126		1508
…		…
1181	my ($self, $merge) = @_;	1563	my ($self, $merge) = @_;
1182		1564
1183	# we have to keep some variables in memory intact	1565	# we have to keep some variables in memory intact
1184	local $self->{path};	1566	local $self->{path};
1185	local $self->{load_path};	1567	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1568
1189	$self->SUPER::thawer_merge ($merge);	1569	$self->SUPER::thawer_merge ($merge);
1190	}	1570	}
1191		1571
1192	sub normalise {	1572	sub normalise {
…		…
1264		1644
1265	# the original (read-only) location	1645	# the original (read-only) location
1266	sub load_path {	1646	sub load_path {
1267	my ($self) = @_;	1647	my ($self) = @_;
1268		1648
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1649	"$MAPDIR/$self->{path}.map"
1270	}	1650	}
1271		1651
1272	# the temporary/swap location	1652	# the temporary/swap location
1273	sub save_path {	1653	sub save_path {
1274	my ($self) = @_;	1654	my ($self) = @_;
1275		1655
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1657	"$TMPDIR/$path.map"
1278	}	1658	}
1279		1659
1280	# the unique path, undef == no special unique path	1660	# the unique path, undef == no special unique path
1281	sub uniq_path {	1661	sub uniq_path {
1282	my ($self) = @_;	1662	my ($self) = @_;
1283		1663
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1665	"$UNIQUEDIR/$path"
1286	}	1666	}
1287		1667
1288	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1289	# all maps in C++...	1669	# all maps in C++...
1290	sub change_all_map_light {	1670	sub change_all_map_light {
…		…
1292		1672
1293	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1295	}	1675	}
1296		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
		1683	}
		1684
1297	sub unlink_save {	1685	sub unlink_save {
1298	my ($self) = @_;	1686	my ($self) = @_;
1299		1687
1300	utf8::encode (my $save = $self->save_path);	1688	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1690	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	}	1691	}
1309		1692
1310	sub load_header_from($) {	1693	sub load_header_from($) {
1311	my ($self, $path) = @_;	1694	my ($self, $path) = @_;
1312		1695
…		…
1362	$self->load_header_orig	1745	$self->load_header_orig
1363	or return;	1746	or return;
1364	$self->prepare_orig;	1747	$self->prepare_orig;
1365	}	1748	}
1366		1749
		1750	$self->{deny_reset} = 1
		1751	if $self->no_reset;
		1752
		1753	$self->default_region (cf::region::find_by_path $self->{path})
		1754	unless $self->default_region;
		1755
1367	1	1756	1
1368	}	1757	}
1369		1758
1370	sub find;	1759	sub find;
1371	sub find {	1760	sub find {
…		…
1383	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1384		1773
1385	$map->load_header	1774	$map->load_header
1386	or return;	1775	or return;
1387		1776
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1778	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1779	#$cf::WAIT_FOR_TICK->wait;
1391	$map->reset;	1780	$map->reset;
1392	undef $guard;	1781	undef $guard;
1393	return find $path;	1782	return find $path;
…		…
1404	my ($self) = @_;	1793	my ($self) = @_;
1405		1794
1406	local $self->{deny_reset} = 1; # loading can take a long time	1795	local $self->{deny_reset} = 1; # loading can take a long time
1407		1796
1408	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1409	my $guard = cf::lock_acquire "map_load:$path";	1800	my $guard = cf::lock_acquire "map_load:$path";
1410		1801
1411	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1412		1803
1413	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1414		1805
1415	$self->alloc;	1806	$self->alloc;
1416		1807
1417	$self->pre_load;	1808	$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;	1809	Coro::cede;
1443	$self->set_darkness_map;	1810
		1811	$self->_load_objects ($self->{load_path}, 1)
		1812	or return;
		1813
		1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1815	if delete $self->{load_original};
		1816
		1817	if (my $uniq = $self->uniq_path) {
		1818	utf8::encode $uniq;
		1819	if (aio_open $uniq, O_RDONLY, 0) {
		1820	$self->clear_unique_items;
		1821	$self->_load_objects ($uniq, 0);
		1822	}
		1823	}
		1824
		1825	Coro::cede;
		1826	# now do the right thing for maps
		1827	$self->link_multipart_objects;
1444	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	1829	unless $self->difficulty;
1446	Coro::cede;	1830	Coro::cede;
		1831
		1832	unless ($self->{deny_activate}) {
		1833	$self->decay_objects;
		1834	$self->fix_auto_apply;
		1835	$self->update_buttons;
		1836	Coro::cede;
		1837	$self->set_darkness_map;
		1838	Coro::cede;
1447	$self->activate;	1839	$self->activate;
		1840	}
		1841
		1842	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1843	}
1449		1844
1450	$self->post_load;	1845	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	1846	}
1454		1847
1455	sub customise_for {	1848	sub customise_for {
1456	my ($self, $ob) = @_;	1849	my ($self, $ob) = @_;
1457		1850
1458	return find "~" . $ob->name . "/" . $self->{path}	1851	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
1460		1856
1461	$self	1857	$self
1462	}	1858	}
1463		1859
1464	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
…		…
1575		1971
1576	sub reset_at {	1972	sub reset_at {
1577	my ($self) = @_;	1973	my ($self) = @_;
1578		1974
1579	# TODO: safety, remove and allow resettable per-player maps	1975	# 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};	1976	return 1e99 if $self->{deny_reset};
1582		1977
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		1980
…		…
1596	my ($self) = @_;	1991	my ($self) = @_;
1597		1992
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		1994
1600	return if $self->players;	1995	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		1996
1603	warn "resetting map ", $self->path;#d#	1997	warn "resetting map ", $self->path;
		1998
		1999	$self->in_memory (cf::MAP_SWAPPED);
		2000
		2001	# need to save uniques path
		2002	unless ($self->{deny_save}) {
		2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2004
		2005	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2006	if $uniq;
		2007	}
1604		2008
1605	delete $cf::MAP{$self->path};	2009	delete $cf::MAP{$self->path};
1606		2010
1607	$self->in_memory (cf::MAP_SWAPPED);
1608	$self->clear;	2011	$self->clear;
1609		2012
1610	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1611		2014
1612	$self->unlink_save;	2015	$self->unlink_save;
…		…
1631	$cf::MAP{$self->path} = $self;	2034	$cf::MAP{$self->path} = $self;
1632		2035
1633	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1634	}	2037	}
1635		2038
		2039	=item $maps = cf::map::tmp_maps
		2040
		2041	Returns an arrayref with all map paths of currently instantiated and saved
		2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
		2047	[
		2048	map {
		2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
		2055	}
		2056
		2057	=item $maps = cf::map::random_maps
		2058
		2059	Returns an arrayref with all map paths of currently instantiated and saved
		2060	random maps. May block.
		2061
		2062	=cut
		2063
		2064	sub random_maps() {
		2065	[
		2066	map {
		2067	utf8::decode $_;
		2068	/\.map$/
		2069	? normalise "?random/$_"
		2070	: ()
		2071	} @{ aio_readdir $RANDOMDIR or [] }
		2072	]
		2073	}
		2074
1636	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1637		2076
1638	Returns an arrayref of paths of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2078	instantiated unique items. May block.
1640		2079
1641	=cut	2080	=cut
1642		2081
1643	sub unique_maps() {	2082	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2083	[
1645	or return;	2084	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2085	utf8::decode $_;
1651	next if /\.pst$/;	2086	/\.map$/
1652	next unless /^$PATH_SEP/o;	2087	? normalise $_
1653		2088	: ()
1654	push @paths, cf::map::normalise $_;	2089	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2090	]
1656
1657	\@paths
1658	}	2091	}
1659		2092
1660	package cf;	2093	package cf;
1661		2094
1662	=back	2095	=back
…		…
1708		2141
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2143
1711	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1713	} else {	2147	} else {
		2148	my $pl = $self->contr;
		2149
		2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2151	my $diag = $pl->{npc_dialog};
		2152	$diag->{pl}->ext_reply (
		2153	$diag->{id},
		2154	msgtype => "reply",
		2155	msg => $diag->{pl}->expand_cfpod ($msg),
		2156	add_topics => []
		2157	);
		2158
		2159	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1716	}	2163	}
1717	}	2164	}
1718		2165
1719	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1720		2167
…		…
1768	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1769		2216
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2218
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1774		2221
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2223	}
1777		2224
1778	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1780		2229
1781	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1782		2231
1783	unless ($map) {	2232	unless ($map) {
1784	# restore original map position	2233	# restore original map position
…		…
1802	$map->load;	2251	$map->load;
1803	$map->load_diag;	2252	$map->load_diag;
1804		2253
1805	return unless $self->contr->active;	2254	return unless $self->contr->active;
1806	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1808	}	2259	}
1809		2260
1810	cf::player->attach (
1811	on_logout => sub {
1812	my ($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)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1843		2262
		2263	Moves the player to the given map-path and coordinates by first freezing
		2264	her, loading and preparing them map, calling the provided $check callback
		2265	that has to return the map if sucecssful, and then unfreezes the player on
		2266	the new (success) or old (failed) map position.
		2267
1844	=cut	2268	=cut
		2269
		2270	our $GOTOGEN;
1845		2271
1846	sub cf::object::player::goto {	2272	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2273	my ($self, $path, $x, $y, $check) = @_;
		2274
		2275	# do generation counting so two concurrent goto's will be executed in-order
		2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2277
1849	$self->enter_link;	2278	$self->enter_link;
1850		2279
1851	(async {	2280	(async {
1852	my $map = eval {	2281	my $map = eval {
1853	my $map = cf::map::find $path;	2282	my $map = cf::map::find $path;
		2283
		2284	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2285	$map = $map->customise_for ($self);
		2286	$map = $check->($map) if $check && $map;
		2287	} else {
		2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2289	}
		2290
1855	$map	2291	$map
		2292	};
		2293
		2294	if ($@) {
		2295	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2297	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2298
		2299	if ($gen == $self->{_goto_generation}) {
		2300	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2301	$self->leave_link ($map, $x, $y);
		2302	}
1860	})->prio (1);	2303	})->prio (1);
1861	}	2304	}
1862		2305
1863	=item $player_object->enter_exit ($exit_object)	2306	=item $player_object->enter_exit ($exit_object)
1864		2307
…		…
1903		2346
1904	$rmp->{random_seed} ||= $exit->random_seed;	2347	$rmp->{random_seed} ||= $exit->random_seed;
1905		2348
1906	my $data = cf::to_json $rmp;	2349	my $data = cf::to_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2350	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2351	my $meta = "$RANDOMDIR/$md5.meta";
1909		2352
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2354	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2355	undef $fh;
1913	aio_rename "$meta~", $meta;	2356	aio_rename "$meta~", $meta;
…		…
1922		2365
1923	return unless $self->type == cf::PLAYER;	2366	return unless $self->type == cf::PLAYER;
1924		2367
1925	if ($exit->slaying eq "/!") {	2368	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2370	# the problem is that $exit might not survive long enough
		2371	# so it needs to be done right now, right here
1927	cf::sync_job { prepare_random_map $exit };	2372	cf::sync_job { prepare_random_map $exit };
1928	}	2373	}
1929		2374
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2376	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;	2377	my $sp = $exit->stats->sp;
1933		2378
1934	$self->enter_link;	2379	$self->enter_link;
		2380
		2381	# if exit is damned, update players death & WoR home-position
		2382	$self->contr->savebed ($slaying, $hp, $sp)
		2383	if $exit->flag (FLAG_DAMNED);
1935		2384
1936	(async {	2385	(async {
1937	$self->deactivate_recursive; # just to be sure	2386	$self->deactivate_recursive; # just to be sure
1938	unless (eval {	2387	unless (eval {
1939	$self->goto ($slaying, $hp, $sp);	2388	$self->goto ($slaying, $hp, $sp);
1940		2389
1941	1;	2390	1;
1942	}) {	2391	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2392	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2393	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2394	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2395	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2396
1948	warn "ERROR in enter_exit: $@";	2397	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2398	$self->leave_link;
1950	}	2399	}
1951	})->prio (1);	2400	})->prio (1);
…		…
1964		2413
1965	sub cf::client::send_drawinfo {	2414	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2415	my ($self, $text, $flags) = @_;
1967		2416
1968	utf8::encode $text;	2417	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2419	}
1971		2420
		2421	=item $client->send_msg ($color, $type, $msg, [extra...])
		2422
		2423	Send a drawinfo or msg packet to the client, formatting the msg for the
		2424	client if neccessary. C<$type> should be a string identifying the type of
		2425	the message, with C<log> being the default. If C<$color> is negative, suppress
		2426	the message unless the client supports the msg packet.
		2427
		2428	=cut
		2429
		2430	sub cf::client::send_msg {
		2431	my ($self, $color, $type, $msg, @extra) = @_;
		2432
		2433	$msg = $self->pl->expand_cfpod ($msg);
		2434
		2435	return unless @extra || length $msg;
		2436
		2437	if ($self->can_msg) {
		2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2439	} else {
		2440	# replace some tags by gcfclient-compatible ones
		2441	for ($msg) {
		2442	1 while
		2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2448	}
		2449
		2450	if ($color >= 0) {
		2451	if (0 && $msg =~ /\[/) {
		2452	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2453	} else {
		2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2455	$self->send_packet ("drawinfo $color $msg")
		2456	}
		2457	}
		2458	}
		2459	}
		2460
		2461	=item $client->ext_event ($type, %msg)
		2462
		2463	Sends an ext event to the client.
		2464
		2465	=cut
		2466
		2467	sub cf::client::ext_event($$%) {
		2468	my ($self, $type, %msg) = @_;
		2469
		2470	$msg{msgtype} = "event_$type";
		2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2472	}
1972		2473
1973	=item $success = $client->query ($flags, "text", \&cb)	2474	=item $success = $client->query ($flags, "text", \&cb)
1974		2475
1975	Queues a query to the client, calling the given callback with	2476	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>,	2477	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>.	2478	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2479
1979	Queries can fail, so check the return code. Or don't, as queries will become	2480	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2481	become reliable at some point in the future.
1981		2482
1982	=cut	2483	=cut
1983		2484
1984	sub cf::client::query {	2485	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2486	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2494	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2495	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2496
1996	$self->send_packet ($self->{query_queue}[0][0])	2497	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2498	if @{ $self->{query_queue} } == 1;
		2499
		2500	1
1998	}	2501	}
1999		2502
2000	cf::client->attach (	2503	cf::client->attach (
		2504	on_connect => sub {
		2505	my ($ns) = @_;
		2506
		2507	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2508	},
2001	on_reply => sub {	2509	on_reply => sub {
2002	my ($ns, $msg) = @_;	2510	my ($ns, $msg) = @_;
2003		2511
2004	# this weird shuffling is so that direct followup queries	2512	# this weird shuffling is so that direct followup queries
2005	# get handled first	2513	# get handled first
…		…
2017	} else {	2525	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2526	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2527	}
2020	}	2528	}
2021	},	2529	},
		2530	on_exticmd => sub {
		2531	my ($ns, $buf) = @_;
		2532
		2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2534
		2535	if (ref $msg) {
		2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2537	if (my %reply = $cb->($ns, $msg)) {
		2538	$reply{msgid} = $msg->{msgid};
		2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2540	}
		2541	}
		2542	} else {
		2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2544	}
		2545
		2546	cf::override;
		2547	},
2022	);	2548	);
2023		2549
2024	=item $client->async (\&cb)	2550	=item $client->async (\&cb)
2025		2551
2026	Create a new coroutine, running the specified callback. The coroutine will	2552	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073		2599
2074	# here we export the classes and methods available to script code	2600	# here we export the classes and methods available to script code
2075		2601
2076	=pod	2602	=pod
2077		2603
2078	The following fucntions and emthods are available within a safe environment:	2604	The following functions and methods are available within a safe environment:
2079		2605
2080	cf::object contr pay_amount pay_player map	2606	cf::object
		2607	contr pay_amount pay_player map x y force_find force_add
		2608	insert remove
		2609
2081	cf::object::player player	2610	cf::object::player
2082	cf::player peaceful	2611	player
2083	cf::map trigger	2612
		2613	cf::player
		2614	peaceful
		2615
		2616	cf::map
		2617	trigger
2084		2618
2085	=cut	2619	=cut
2086		2620
2087	for (	2621	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2623	insert remove)],
2089	["cf::object::player" => qw(player)],	2624	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	2625	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	2626	["cf::map" => qw(trigger)],
2092	) {	2627	) {
2093	no strict 'refs';	2628	no strict 'refs';
…		…
2164	=back	2699	=back
2165		2700
2166	=cut	2701	=cut
2167		2702
2168	#############################################################################	2703	#############################################################################
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]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	2704	# the server's init and main functions
2278		2705
2279	sub load_resources {	2706	sub load_facedata($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2707	my ($path) = @_;
		2708
		2709	warn "loading facedata from $path\n";
		2710
		2711	my $facedata;
		2712	0 < aio_load $path, $facedata
		2713	or die "$path: $!";
		2714
		2715	$facedata = Coro::Storable::thaw $facedata;
		2716
		2717	$facedata->{version} == 2
		2718	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2719
		2720	{
		2721	my $faces = $facedata->{faceinfo};
		2722
		2723	while (my ($face, $info) = each %$faces) {
		2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2725	cf::face::set_visibility $idx, $info->{visibility};
		2726	cf::face::set_magicmap $idx, $info->{magicmap};
		2727	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2728	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2729
		2730	cf::cede_to_tick;
		2731	}
		2732
		2733	while (my ($face, $info) = each %$faces) {
		2734	next unless $info->{smooth};
		2735	my $idx = cf::face::find $face
		2736	or next;
		2737	if (my $smooth = cf::face::find $info->{smooth}) {
		2738	cf::face::set_smooth $idx, $smooth;
		2739	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2740	} else {
		2741	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2742	}
		2743
		2744	cf::cede_to_tick;
		2745	}
		2746	}
		2747
		2748	{
		2749	my $anims = $facedata->{animinfo};
		2750
		2751	while (my ($anim, $info) = each %$anims) {
		2752	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2753	cf::cede_to_tick;
		2754	}
		2755
		2756	cf::anim::invalidate_all; # d'oh
		2757	}
		2758
		2759	{
		2760	# TODO: for gcfclient pleasure, we should give resources
		2761	# that gcfclient doesn't grok a >10000 face index.
		2762	my $res = $facedata->{resource};
		2763	my $enc = JSON::XS->new->utf8->canonical;
		2764
		2765	while (my ($name, $info) = each %$res) {
		2766	my $meta = $enc->encode ({
		2767	name => $name,
		2768	type => $info->{type},
		2769	copyright => $info->{copyright}, #TODO#
		2770	});
		2771	my $data = pack "(w/a*)*", $meta, $info->{data};
		2772	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2773
		2774	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2775	cf::face::set_type $idx, 1;
		2776	cf::face::set_data $idx, 0, $data, $chk;
		2777
		2778	cf::cede_to_tick;
		2779	}
		2780	}
		2781
		2782	1
		2783	}
		2784
		2785	sub reload_regions {
		2786	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	2787	or die "unable to load regions file\n";
		2788
		2789	for (cf::region::list) {
		2790	$_->{match} = qr/$_->{match}/
		2791	if exists $_->{match};
		2792	}
		2793	}
		2794
		2795	sub reload_facedata {
		2796	load_facedata "$DATADIR/facedata"
		2797	or die "unable to load facedata\n";
		2798	}
		2799
		2800	sub reload_archetypes {
		2801	load_resource_file "$DATADIR/archetypes"
		2802	or die "unable to load archetypes\n";
		2803	#d# NEED to laod twice to resolve forward references
		2804	# this really needs to be done in an extra post-pass
		2805	# (which needs to be synchronous, so solve it differently)
		2806	load_resource_file "$DATADIR/archetypes"
		2807	or die "unable to load archetypes\n";
		2808	}
		2809
		2810	sub reload_treasures {
		2811	load_resource_file "$DATADIR/treasures"
		2812	or die "unable to load treasurelists\n";
		2813	}
		2814
		2815	sub reload_resources {
		2816	warn "reloading resource files...\n";
		2817
		2818	reload_regions;
		2819	reload_facedata;
		2820	#reload_archetypes;#d#
		2821	reload_archetypes;
		2822	reload_treasures;
		2823
		2824	warn "finished reloading resource files\n";
		2825	}
		2826
		2827	sub init {
		2828	reload_resources;
2282	}	2829	}
2283		2830
2284	sub cfg_load {	2831	sub cfg_load {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	2832	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	2833	or return;
2287		2834
2288	local $/;	2835	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	2836	*CFG = YAML::Syck::Load <$fh>;
2290		2837
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2845	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	2846	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	2847	};
2301	warn $@ if $@;	2848	warn $@ if $@;
2302	}	2849	}
2303	}
2304
2305	sub init {
2306	load_resources;
2307	}	2850	}
2308		2851
2309	sub main {	2852	sub main {
2310	# we must not ever block the main coroutine	2853	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	2854	local $Coro::idle = sub {
…		…
2314	Event::one_event;	2857	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	2858	})->prio (Coro::PRIO_MAX);
2316	};	2859	};
2317		2860
2318	cfg_load;	2861	cfg_load;
2319	db_load;	2862	db_init;
2320	load_extensions;	2863	load_extensions;
2321		2864
2322	$TICK_WATCHER->start;	2865	$TICK_WATCHER->start;
2323	Event::loop;	2866	Event::loop;
2324	}	2867	}
…		…
2339	},	2882	},
2340	);	2883	);
2341	}	2884	}
2342	}	2885	}
2343		2886
		2887	sub write_runtime {
		2888	my $runtime = "$LOCALDIR/runtime";
		2889
		2890	# first touch the runtime file to show we are still running:
		2891	# the fsync below can take a very very long time.
		2892
		2893	IO::AIO::aio_utime $runtime, undef, undef;
		2894
		2895	my $guard = cf::lock_acquire "write_runtime";
		2896
		2897	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2898	or return;
		2899
		2900	my $value = $cf::RUNTIME + 90 + 10;
		2901	# 10 is the runtime save interval, for a monotonic clock
		2902	# 60 allows for the watchdog to kill the server.
		2903
		2904	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2905	and return;
		2906
		2907	# always fsync - this file is important
		2908	aio_fsync $fh
		2909	and return;
		2910
		2911	# touch it again to show we are up-to-date
		2912	aio_utime $fh, undef, undef;
		2913
		2914	close $fh
		2915	or return;
		2916
		2917	aio_rename "$runtime~", $runtime
		2918	and return;
		2919
		2920	warn "runtime file written.\n";
		2921
		2922	1
		2923	}
		2924
2344	sub emergency_save() {	2925	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	2926	my $freeze_guard = cf::freeze_mainloop;
2346		2927
2347	warn "enter emergency perl save\n";	2928	warn "enter emergency perl save\n";
2348		2929
…		…
2363	my $map = $cf::MAP{$path} or next;	2944	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	2945	$map->valid or next;
2365	$map->save;	2946	$map->save;
2366	}	2947	}
2367	warn "end emergency map save\n";	2948	warn "end emergency map save\n";
		2949
		2950	warn "begin emergency database checkpoint\n";
		2951	BDB::db_env_txn_checkpoint $DB_ENV;
		2952	warn "end emergency database checkpoint\n";
2368	};	2953	};
2369		2954
2370	warn "leave emergency perl save\n";	2955	warn "leave emergency perl save\n";
2371	}	2956	}
2372		2957
		2958	sub post_cleanup {
		2959	my ($make_core) = @_;
		2960
		2961	warn Carp::longmess "post_cleanup backtrace"
		2962	if $make_core;
		2963	}
		2964
2373	sub reload() {	2965	sub do_reload_perl() {
2374	# can/must only be called in main	2966	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	2967	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	2968	warn "can only reload from main coroutine";
2377	return;	2969	return;
2378	}	2970	}
2379		2971
2380	warn "reloading...";	2972	warn "reloading...";
2381		2973
2382	warn "cancelling server ticker";	2974	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		2975
		2976	cf::sync_job {
		2977	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	2978	cf::emergency_save;
		2979	cf::write_runtime; # external watchdog should not bark
2386		2980
2387	eval {	2981	warn "syncing database to disk";
		2982	BDB::db_env_txn_checkpoint $DB_ENV;
		2983
2388	# if anything goes wrong in here, we should simply crash as we already saved	2984	# 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		2985
2393	warn "cancelling all WF_AUTOCANCEL watchers";	2986	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	2987	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	2988	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	2989	}
2397		2990
2398	warn "flushing outstanding aio requests";	2991	warn "flushing outstanding aio requests";
2399	for (;;) {	2992	for (;;) {
		2993	BDB::flush;
2400	IO::AIO::flush;	2994	IO::AIO::flush;
2401	Coro::cede;	2995	Coro::cede;
2402	last unless IO::AIO::nreqs;	2996	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	2997	warn "iterate...";
2404	}	2998	}
		2999
		3000	++$RELOAD;
2405		3001
2406	warn "cancelling all extension coros";	3002	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3003	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3004	%EXT_CORO = ();
2409		3005
2410	warn "removing commands";	3006	warn "removing commands";
2411	%COMMAND = ();	3007	%COMMAND = ();
2412		3008
2413	warn "removing ext commands";	3009	warn "removing ext/exti commands";
2414	%EXTCMD = ();	3010	%EXTCMD = ();
		3011	%EXTICMD = ();
2415		3012
2416	warn "unloading/nuking all extensions";	3013	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3014	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3015	warn "... unloading $pkg";
2419		3016
…		…
2449	Symbol::delete_package "safe::$_"	3046	Symbol::delete_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3047	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3048
2452	warn "unloading cf.pm \"a bit\"";	3049	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3050	delete $INC{"cf.pm"};
		3051	delete $INC{"cf/pod.pm"};
2454		3052
2455	# don't, removes xs symbols, too,	3053	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3054	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3055	#Symbol::delete_package __PACKAGE__;
2458		3056
…		…
2462	require cf;	3060	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3061	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3062
2465	warn "loading config and database again";	3063	warn "loading config and database again";
2466	cf::cfg_load;	3064	cf::cfg_load;
2467	cf::db_load;
2468		3065
2469	warn "loading extensions";	3066	warn "loading extensions";
2470	cf::load_extensions;	3067	cf::load_extensions;
2471		3068
2472	warn "reattaching attachments to objects/players";	3069	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3070	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3071	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3072	reattach $_ for values %MAP;
		3073	warn "reattaching attachments to players";
		3074	reattach $_ for values %PLAYER;
2476		3075
2477	warn "loading reloadable resources";	3076	warn "leaving sync_job";
2478	load_resources;
2479		3077
2480	warn "restarting server ticker";	3078	1
2481		3079	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	3080	warn $@;
2487	warn "error while reloading, exiting.";	3081	warn "error while reloading, exiting.";
2488	exit 1;	3082	exit 1;
2489	}	3083	};
2490		3084
2491	warn "reloaded";	3085	warn "reloaded";
2492	};	3086	};
2493		3087
2494	our $RELOAD_WATCHER; # used only during reload	3088	our $RELOAD_WATCHER; # used only during reload
2495		3089
		3090	sub reload_perl() {
		3091	# doing reload synchronously and two reloads happen back-to-back,
		3092	# coro crashes during coro_state_free->destroy here.
		3093
		3094	$RELOAD_WATCHER ||= Event->timer (
		3095	reentrant => 0,
		3096	after => 0,
		3097	data => WF_AUTOCANCEL,
		3098	cb => sub {
		3099	do_reload_perl;
		3100	undef $RELOAD_WATCHER;
		3101	},
		3102	);
		3103	}
		3104
2496	register_command "reload" => sub {	3105	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3106	my ($who, $arg) = @_;
2498		3107
2499	if ($who->flag (FLAG_WIZ)) {	3108	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3109	$who->message ("reloading server.");
2501		3110	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	}	3111	}
2515	};	3112	};
2516		3113
2517	unshift @INC, $LIBDIR;	3114	unshift @INC, $LIBDIR;
2518		3115
2519	my $bug_warning = 0;	3116	my $bug_warning = 0;
2520		3117
		3118	our @WAIT_FOR_TICK;
		3119	our @WAIT_FOR_TICK_BEGIN;
		3120
		3121	sub wait_for_tick {
		3122	return unless $TICK_WATCHER->is_active;
		3123	return if $Coro::current == $Coro::main;
		3124
		3125	my $signal = new Coro::Signal;
		3126	push @WAIT_FOR_TICK, $signal;
		3127	$signal->wait;
		3128	}
		3129
		3130	sub wait_for_tick_begin {
		3131	return unless $TICK_WATCHER->is_active;
		3132	return if $Coro::current == $Coro::main;
		3133
		3134	my $signal = new Coro::Signal;
		3135	push @WAIT_FOR_TICK_BEGIN, $signal;
		3136	$signal->wait;
		3137	}
		3138
		3139	my $min = 1e6;#d#
		3140	my $avg = 10;
2521	$TICK_WATCHER = Event->timer (	3141	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	3142	reentrant => 0,
2523	parked => 1,	3143	parked => 1,
2524	prio => 0,	3144	prio => 0,
2525	at => $NEXT_TICK || $TICK,	3145	at => $NEXT_TICK || $TICK,
…		…
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3149	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3150	unless ++$bug_warning > 10;
2531	return;	3151	return;
2532	}	3152	}
2533		3153
2534	$NOW = Event::time;	3154	$NOW = $tick_start = Event::time;
2535		3155
2536	cf::server_tick; # one server iteration	3156	cf::server_tick; # one server iteration
		3157
		3158	0 && sync_job {#d#
		3159	for(1..10) {
		3160	my $t = Event::time;
		3161	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3162	or die;
		3163
		3164	$map->width (50);
		3165	$map->height (50);
		3166	$map->alloc;
		3167	$map->_load_objects ("/tmp/x.map", 1);
		3168	my $t = Event::time - $t;
		3169
		3170	#next unless $t < 0.0013;#d#
		3171	if ($t < $min) {
		3172	$min = $t;
		3173	}
		3174	$avg = $avg * 0.99 + $t * 0.01;
		3175	}
		3176	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3177	exit 0;
		3178	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3179	};
		3180
2537	$RUNTIME += $TICK;	3181	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	3182	$NEXT_TICK += $TICK;
2539		3183
2540	$WAIT_FOR_TICK->broadcast;	3184	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3185	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		3186	Coro::async_pool {
2543	Event::sweep;	3187	write_runtime
2544	Coro::cede_notself;	3188	or warn "ERROR: unable to write runtime file: $!";
		3189	};
2545		3190	}
		3191
2546	# my $AFTER = Event::time;	3192	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#	3193	# warn $AFTER - $NOW;#d#
2548		3194
		3195	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3196	$sig->send;
		3197	}
		3198	while (my $sig = shift @WAIT_FOR_TICK) {
		3199	$sig->send;
		3200	}
		3201
		3202	$NOW = Event::time;
		3203
2549	# if we are delayed by four ticks or more, skip them all	3204	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3205	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2551		3206
2552	$TICK_WATCHER->at ($NEXT_TICK);	3207	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;	3208	$TICK_WATCHER->start;
		3209
		3210	$LOAD = ($NOW - $tick_start) / $TICK;
		3211	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3212
		3213	_post_tick;
		3214
		3215
2554	},	3216	},
2555	);	3217	);
2556		3218
		3219	{
		3220	BDB::max_poll_time $TICK * 0.1;
		3221	$BDB_POLL_WATCHER = Event->io (
		3222	reentrant => 0,
		3223	fd => BDB::poll_fileno,
		3224	poll => 'r',
		3225	prio => 0,
		3226	data => WF_AUTOCANCEL,
		3227	cb => \&BDB::poll_cb,
		3228	);
		3229	BDB::min_parallel 8;
		3230
		3231	BDB::set_sync_prepare {
		3232	my $status;
		3233	my $current = $Coro::current;
		3234	(
		3235	sub {
		3236	$status = $!;
		3237	$current->ready; undef $current;
		3238	},
		3239	sub {
		3240	Coro::schedule while defined $current;
		3241	$! = $status;
		3242	},
		3243	)
		3244	};
		3245
		3246	unless ($DB_ENV) {
		3247	$DB_ENV = BDB::db_env_create;
		3248
		3249	cf::sync_job {
		3250	eval {
		3251	BDB::db_env_open
		3252	$DB_ENV,
		3253	$BDBDIR,
		3254	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3255	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3256	0666;
		3257
		3258	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3259
		3260	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3261	$DB_ENV->set_lk_detect;
		3262	};
		3263
		3264	cf::cleanup "db_env_open(db): $@" if $@;
		3265	};
		3266	}
		3267	}
		3268
		3269	{
		3270	IO::AIO::min_parallel 8;
		3271
		3272	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	3273	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	3274	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	3275	reentrant => 0,
		3276	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	3277	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	3278	poll => 'r',
2564	prio => 6,	3279	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	3280	cb => \&IO::AIO::poll_cb,
2567	);	3281	);
		3282	}
2568		3283
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	3284	my $_log_backtrace;
2570	reentrant => 0,	3285
2571	data => WF_AUTOCANCEL,	3286	sub _log_backtrace {
2572	after => 1,	3287	my ($msg, @addr) = @_;
2573	interval => 10,	3288
2574	prio => 6, # keep it lowest so it acts like a watchdog	3289	$msg =~ s/\n//;
2575	cb => Coro::unblock_sub {	3290
2576	write_runtime	3291	# limit the # of concurrent backtraces
2577	or warn "ERROR: unable to write runtime file: $!";	3292	if ($_log_backtrace < 2) {
		3293	++$_log_backtrace;
		3294	async {
		3295	my @bt = fork_call {
		3296	@addr = map { sprintf "%x", $_ } @addr;
		3297	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3298	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3299	or die "addr2line: $!";
		3300
		3301	my @funcs;
		3302	my @res = <$fh>;
		3303	chomp for @res;
		3304	while (@res) {
		3305	my ($func, $line) = splice @res, 0, 2, ();
		3306	push @funcs, "[$func] $line";
		3307	}
		3308
		3309	@funcs
		3310	};
		3311
		3312	LOG llevInfo, "[ABT] $msg\n";
		3313	LOG llevInfo, "[ABT] $_\n" for @bt;
		3314	--$_log_backtrace;
		3315	};
		3316	} else {
		3317	LOG llevInfo, "[ABT] $msg\n";
		3318	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	3319	}
2579	);	3320	}
		3321
		3322	# load additional modules
		3323	use cf::pod;
2580		3324
2581	END { cf::emergency_save }	3325	END { cf::emergency_save }
2582		3326
2583	1	3327	1
2584		3328

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