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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.206 by root, Sun Feb 11 22:27:05 2007 UTC vs.
Revision 1.303 by root, Wed Jul 11 15:57:31 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 ();
20	use BDB ();	26	use BDB ();
21	use Data::Dumper;	27	use Data::Dumper;
22	use Digest::MD5;	28	use Digest::MD5;
23	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
24	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
27		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
28	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
29
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		43
32	# 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?
33	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
34		46
35	$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
36		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
37	our %COMMAND = ();	51	our %COMMAND = ();
38	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
39		53
40	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
44		59
		60	our $RELOAD; # number of reloads so far
45	our @EVENT;	61	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		62
48	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(!)
49	our $TICK_WATCHER;	76	our $TICK_WATCHER;
50	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
51	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	79	our $NEXT_TICK;
53	our $NOW;	80	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		82
56	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
…		…
62	our $RUNTIME;	89	our $RUNTIME;
63		90
64	our %PLAYER; # all users	91	our %PLAYER; # all users
65	our %MAP; # all maps	92	our %MAP; # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		94
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $tick_start; # for load detecting purposes
		101
76	binmode STDOUT;	102	binmode STDOUT;
77	binmode STDERR;	103	binmode STDERR;
78		104
79	# read virtual server time, if available	105	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
81	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
82	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
83	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
84	}	110	}
85		111
86	mkdir cf::localdir;	112	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		114
93	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
94		116
95	sub cf::map::normalise;	117	sub cf::map::normalise;
96		118
…		…
107	=item $cf::RUNTIME	129	=item $cf::RUNTIME
108		130
109	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
110	every server tick.	132	every server tick.
111		133
112	=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
113		137
114	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		142
117	=item $cf::NOW	143	=item $cf::NOW
118		144
119	The time of the last (current) server tick.	145	The time of the last (current) server tick.
120		146
121	=item $cf::TICK	147	=item $cf::TICK
122		148
123	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.
124		160
125	=item %cf::CFG	161	=item %cf::CFG
126		162
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
128	from wherever your confdir points to.	164	from wherever your confdir points to.
129		165
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		167
132	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
133	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
134	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.
135	window of cpu time available, or simply to synchronise to the server tick.
136		171
137	=back	172	=back
138		173
139	=cut	174	=cut
140		175
141	BEGIN {	176	BEGIN {
142	*CORE::GLOBAL::warn = sub {	177	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	178	my $msg = join "", @_;
144	utf8::encode $msg;
145		179
146	$msg .= "\n"	180	$msg .= "\n"
147	unless $msg =~ /\n$/;	181	unless $msg =~ /\n$/;
148		182
		183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		184
		185	utf8::encode $msg;
149	LOG llevError, $msg;	186	LOG llevError, $msg;
150	};	187	};
151	}	188	}
152		189
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		197
160	# 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
161	# within the Safe compartment.	199	# within the Safe compartment.
162	for my $pkg (qw(	200	for my $pkg (qw(
163	cf::global cf::attachable	201	cf::global cf::attachable
…		…
171	}	209	}
172		210
173	$Event::DIED = sub {	211	$Event::DIED = sub {
174	warn "error in event callback: @_";	212	warn "error in event callback: @_";
175	};	213	};
		214
		215	#############################################################################
176		216
177	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
178		218
179	=over 4	219	=over 4
180		220
…		…
199	$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;
200	$d	240	$d
201	} || "[unable to dump $_[0]: '$@']";	241	} || "[unable to dump $_[0]: '$@']";
202	}	242	}
203		243
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
207		245
208	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
209		247
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
218		249
219	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
220		251
221	=cut	252	=cut
222		253
223	sub to_json($) {	254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
225	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
226	}	257	sub from_json ($) { $json_coder->decode ($_[0]) }
227		258
228	=item cf::lock_wait $string	259	=item cf::lock_wait $string
229		260
230	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
231		262
…		…
237	returned.	268	returned.
238		269
239	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
240	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
241		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
242	=cut	277	=cut
243		278
244	our %LOCK;	279	our %LOCK;
245		280
246	sub lock_wait($) {	281	sub lock_wait($) {
…		…
265	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
267	}	302	}
268	}	303	}
269		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
		309	}
		310
270	sub freeze_mainloop {	311	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
272		313
273	my $guard = Coro::guard {	314	my $guard = Coro::guard {
274	$TICK_WATCHER->start;	315	$TICK_WATCHER->start;
275	$WRITE_RUNTIME_WATCHER->start;
276	};	316	};
277	$WRITE_RUNTIME_WATCHER->stop;
278	$TICK_WATCHER->stop;	317	$TICK_WATCHER->stop;
279	$guard	318	$guard
280	}	319	}
281		320
282	=item cf::async { BLOCK }	321	=item cf::async { BLOCK }
…		…
289		328
290	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
291		330
292	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
293		332
294	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
297		337
298	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
301	fast or be very important.	341	fast or be very important.
…		…
304		344
305	sub sync_job(&) {	345	sub sync_job(&) {
306	my ($job) = @_;	346	my ($job) = @_;
307		347
308	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
309	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
311		353
312	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
313	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
324		366
325	while ($busy) {	367	while ($busy) {
326	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
327	}	369	}
328		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
329	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
330	} else {	379	} else {
331	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
332		381
333	$job->()	382	$job->()
…		…
352	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
353		402
354	$coro	403	$coro
355	}	404	}
356		405
357	sub write_runtime {	406	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		407
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
361	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.
362		412
363	my $value = $cf::RUNTIME + 90 + 10;	413	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		414
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	415	sub _store_scalar {
368	and return;	416	open my $fh, ">", \my $buf
369		417	or die "fork_call: cannot open fh-to-buf in child : $!";
370	# always fsync - this file is important	418	Storable::store_fd $_[0], $fh;
371	aio_fsync $fh
372	and return;
373
374	close $fh	419	close $fh;
375	or return;
376		420
377	aio_rename "$runtime~", $runtime	421	$buf
378	and return;	422	}
379		423
		424	sub fork_call(&@) {
		425	my ($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 $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
380	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		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 });
381	}	593	}
382		594
383	=back	595	=back
384		596
385	=cut	597	=cut
…		…
392	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")
393	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
394		606
395	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>
396	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
397	crossfire+).	609	Crossfire TRT).
398		610
399	=over 4	611	=over 4
400		612
401	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
402		614
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
566		778
567	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		783
572	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	785	my $pkg = shift @arg;
574		786
575	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
605	}	817	}
606		818
607	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
608	} else {	820	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	822	}
611		823
612	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
613	}	825	}
614		826
…		…
616	if (ref $_[0]) {	828	if (ref $_[0]) {
617	_object_attach @_;	829	_object_attach @_;
618	} else {	830	} else {
619	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
620	}	832	}
		833	_recalc_want;
621	};	834	};
622		835
623	# all those should be optimised	836	# all those should be optimised
624	sub cf::attachable::detach {	837	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
629	reattach ($obj);	842	reattach ($obj);
630	} else {	843	} else {
631	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
632	}	845	}
		846	_recalc_want;
633	};	847	};
634		848
635	sub cf::attachable::attached {	849	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
637		851
…		…
784	}	998	}
785	} else {	999	} else {
786	aio_unlink $filename;	1000	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1001	aio_unlink "$filename.pst";
788	}	1002	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1003	}
796	}	1004	}
797		1005
798	sub object_freezer_as_string {	1006	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1007	my ($rdata, $objs) = @_;
…		…
805		1013
806	sub object_thawer_load {	1014	sub object_thawer_load {
807	my ($filename) = @_;	1015	my ($filename) = @_;
808		1016
809	my ($data, $av);	1017	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1018
814	(aio_load $filename, $data) >= 0	1019	(aio_load $filename, $data) >= 0
815	or return;	1020	or return;
816		1021
817	unless (aio_stat "$filename.pst") {	1022	unless (aio_stat "$filename.pst") {
…		…
819	or return;	1024	or return;
820	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
821	}	1026	}
822		1027
823	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1029	$filename, length $data, scalar @{$av || []};
825	return ($data, $av);	1030	return ($data, $av);
826	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
827		1038
828	#############################################################################	1039	#############################################################################
829	# command handling &c	1040	# command handling &c
830		1041
831	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1056	}
846		1057
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1059
849	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.
850		1065
851	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
852	called.	1067	called.
853		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
854	=cut	1080	=cut
855		1081
856	sub register_extcmd {	1082	sub register_extcmd {
857	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
858		1084
859	$EXTCMD{$name} = $cb;	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
860	}	1092	}
861		1093
862	cf::player->attach (	1094	cf::player->attach (
863	on_command => sub {	1095	on_command => sub {
864	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1105	cf::override;
874	},	1106	},
875	on_extcmd => sub {	1107	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
877		1109
878	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1111
880	if (ref $msg) {	1112	if (ref $msg) {
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
882	if (my %reply = $cb->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
883	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
889		1121
890	cf::override;	1122	cf::override;
891	},	1123	},
892	);	1124	);
893		1125
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
929	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1131	next unless -r $path;
931	eval {	1132
932	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;
933	1	1190	}
934	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
935	}	1196	};
936	}	1197	}
937		1198
938	#############################################################################	1199	#############################################################################
939		1200
		1201	=back
		1202
940	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
941		1204
942	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
943		1206
944	=cut	1207	=cut
…		…
956	Returns the given player object, loading it if necessary (might block).	1219	Returns the given player object, loading it if necessary (might block).
957		1220
958	=cut	1221	=cut
959		1222
960	sub playerdir($) {	1223	sub playerdir($) {
961	cf::localdir	1224	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1225	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1226	}
967		1227
968	sub path($) {	1228	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1229	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1230
971	(playerdir $login) . "/$login.pl"	1231	(playerdir $login) . "/playerdata"
972	}	1232	}
973		1233
974	sub find_active($) {	1234	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1235	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1236	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1249	my $login = $_[0];
990		1250
991	my $guard = cf::lock_acquire "user_find:$login";	1251	my $guard = cf::lock_acquire "user_find:$login";
992		1252
993	$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
994	my $pl = load_pl path $login	1261	my $pl = load_pl path $login
995	or return;	1262	or return;
996	$cf::PLAYER{$login} = $pl	1263	$cf::PLAYER{$login} = $pl
997	}	1264	}
998	}	1265	}
…		…
1035		1302
1036	=cut	1303	=cut
1037		1304
1038	sub quit_character {	1305	sub quit_character {
1039	my ($pl) = @_;	1306	my ($pl) = @_;
		1307
		1308	my $name = $pl->ob->name;
1040		1309
1041	$pl->{deny_save} = 1;	1310	$pl->{deny_save} = 1;
1042	$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
1043		1312
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1318	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1319	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1320	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1321	delete $cf::PLAYER{$pl->ob->name};
1053	$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
1054	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;
1055	}	1344	}
1056		1345
1057	=item cf::player::list_logins	1346	=item cf::player::list_logins
1058		1347
1059	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
1060	while and may block, so not sync_job-capable, ever.	1349	while and may block, so not sync_job-capable, ever.
1061		1350
1062	=cut	1351	=cut
1063		1352
1064	sub list_logins {	1353	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1354	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1355	or return [];
1067		1356
1068	my @logins;	1357	my @logins;
1069		1358
1070	for my $login (@$dirs) {	1359	for my $login (@$dirs) {
…		…
1105	}	1394	}
1106		1395
1107	\@paths	1396	\@paths
1108	}	1397	}
1109		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
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1111		1450
1112	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1113		1452
1114	=cut	1453	=cut
1115		1454
1116	sub ext_reply($$$%) {	1455	sub ext_reply($$%) {
1117	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1118		1457
1119	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1120		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1460	}
1123		1461
1124	package cf;	1462	=item $player->ext_event ($type, %msg)
		1463
		1464	Sends an ext event to the client.
		1465
		1466	=cut
		1467
		1468	sub ext_event($$%) {
		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	$match
		1501	}
1125		1502
1126	=back	1503	=back
1127
1128		1504
1129	=head3 cf::map	1505	=head3 cf::map
1130		1506
1131	=over 4	1507	=over 4
1132		1508
…		…
1187	my ($self, $merge) = @_;	1563	my ($self, $merge) = @_;
1188		1564
1189	# we have to keep some variables in memory intact	1565	# we have to keep some variables in memory intact
1190	local $self->{path};	1566	local $self->{path};
1191	local $self->{load_path};	1567	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1568
1195	$self->SUPER::thawer_merge ($merge);	1569	$self->SUPER::thawer_merge ($merge);
1196	}	1570	}
1197		1571
1198	sub normalise {	1572	sub normalise {
…		…
1270		1644
1271	# the original (read-only) location	1645	# the original (read-only) location
1272	sub load_path {	1646	sub load_path {
1273	my ($self) = @_;	1647	my ($self) = @_;
1274		1648
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1649	"$MAPDIR/$self->{path}.map"
1276	}	1650	}
1277		1651
1278	# the temporary/swap location	1652	# the temporary/swap location
1279	sub save_path {	1653	sub save_path {
1280	my ($self) = @_;	1654	my ($self) = @_;
1281		1655
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1657	"$TMPDIR/$path.map"
1284	}	1658	}
1285		1659
1286	# the unique path, undef == no special unique path	1660	# the unique path, undef == no special unique path
1287	sub uniq_path {	1661	sub uniq_path {
1288	my ($self) = @_;	1662	my ($self) = @_;
1289		1663
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1665	"$UNIQUEDIR/$path"
1292	}	1666	}
1293		1667
1294	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1295	# all maps in C++...	1669	# all maps in C++...
1296	sub change_all_map_light {	1670	sub change_all_map_light {
…		…
1298		1672
1299	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1301	}	1675	}
1302		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
		1683	}
		1684
1303	sub unlink_save {	1685	sub unlink_save {
1304	my ($self) = @_;	1686	my ($self) = @_;
1305		1687
1306	utf8::encode (my $save = $self->save_path);	1688	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1690	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1691	}
1315		1692
1316	sub load_header_from($) {	1693	sub load_header_from($) {
1317	my ($self, $path) = @_;	1694	my ($self, $path) = @_;
1318		1695
…		…
1368	$self->load_header_orig	1745	$self->load_header_orig
1369	or return;	1746	or return;
1370	$self->prepare_orig;	1747	$self->prepare_orig;
1371	}	1748	}
1372		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
1373	1	1756	1
1374	}	1757	}
1375		1758
1376	sub find;	1759	sub find;
1377	sub find {	1760	sub find {
…		…
1389	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1390		1773
1391	$map->load_header	1774	$map->load_header
1392	or return;	1775	or return;
1393		1776
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1778	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1779	#$cf::WAIT_FOR_TICK->wait;
1397	$map->reset;	1780	$map->reset;
1398	undef $guard;	1781	undef $guard;
1399	return find $path;	1782	return find $path;
…		…
1410	my ($self) = @_;	1793	my ($self) = @_;
1411		1794
1412	local $self->{deny_reset} = 1; # loading can take a long time	1795	local $self->{deny_reset} = 1; # loading can take a long time
1413		1796
1414	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1800	my $guard = cf::lock_acquire "map_load:$path";
1416		1801
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1418		1803
1419	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1420		1805
1421	$self->alloc;	1806	$self->alloc;
1422		1807
1423	$self->pre_load;	1808	$self->pre_load;
1424
1425	$self->_load_objects ($self->{load_path}, 1)
1426	or return;
1427
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};
1430
1431	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {
1434	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);
1436	}
1437	}
1438
1439	Coro::cede;
1440
1441	# now do the right thing for maps
1442	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;	1809	Coro::cede;
1449	$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;
1450	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	1829	unless $self->difficulty;
1452	Coro::cede;	1830	Coro::cede;
		1831
		1832	unless ($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;
1453	$self->activate;	1839	$self->activate;
		1840	}
		1841
		1842	$self->in_memory (cf::MAP_IN_MEMORY);
1454	}	1843	}
1455		1844
1456	$self->post_load;	1845	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1846	}
1460		1847
1461	sub customise_for {	1848	sub customise_for {
1462	my ($self, $ob) = @_;	1849	my ($self, $ob) = @_;
1463		1850
1464	return find "~" . $ob->name . "/" . $self->{path}	1851	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
1466		1856
1467	$self	1857	$self
1468	}	1858	}
1469		1859
1470	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
…		…
1581		1971
1582	sub reset_at {	1972	sub reset_at {
1583	my ($self) = @_;	1973	my ($self) = @_;
1584		1974
1585	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1588		1977
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		1980
…		…
1602	my ($self) = @_;	1991	my ($self) = @_;
1603		1992
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		1994
1606	return if $self->players;	1995	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		1996
1609	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	}
1610		2008
1611	delete $cf::MAP{$self->path};	2009	delete $cf::MAP{$self->path};
1612		2010
1613	$self->in_memory (cf::MAP_SWAPPED);
1614	$self->clear;	2011	$self->clear;
1615		2012
1616	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1617		2014
1618	$self->unlink_save;	2015	$self->unlink_save;
…		…
1637	$cf::MAP{$self->path} = $self;	2034	$cf::MAP{$self->path} = $self;
1638		2035
1639	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1640	}	2037	}
1641		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
1642	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1643		2076
1644	Returns an arrayref of paths of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2078	instantiated unique items. May block.
1646		2079
1647	=cut	2080	=cut
1648		2081
1649	sub unique_maps() {	2082	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2083	[
1651	or return;	2084	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2085	utf8::decode $_;
1657	next if /\.pst$/;	2086	/\.map$/
1658	next unless /^$PATH_SEP/o;	2087	? normalise $_
1659		2088	: ()
1660	push @paths, cf::map::normalise $_;	2089	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2090	]
1662
1663	\@paths
1664	}	2091	}
1665		2092
1666	package cf;	2093	package cf;
1667		2094
1668	=back	2095	=back
…		…
1714		2141
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2143
1717	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1719	} 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 {
1720	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1722	}	2163	}
1723	}	2164	}
1724		2165
1725	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1726		2167
…		…
1774	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1775		2216
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2218
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1780		2221
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2223	}
1783		2224
1784	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1786		2229
1787	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1788		2231
1789	unless ($map) {	2232	unless ($map) {
1790	# restore original map position	2233	# restore original map position
…		…
1808	$map->load;	2251	$map->load;
1809	$map->load_diag;	2252	$map->load_diag;
1810		2253
1811	return unless $self->contr->active;	2254	return unless $self->contr->active;
1812	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1814	}	2259	}
1815		2260
1816	cf::player->attach (
1817	on_logout => sub {
1818	my ($pl) = @_;
1819
1820	# abort map switching before logout
1821	if ($pl->ob->{_link_pos}) {
1822	cf::sync_job {
1823	$pl->ob->leave_link
1824	};
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1849		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
1850	=cut	2268	=cut
		2269
		2270	our $GOTOGEN;
1851		2271
1852	sub cf::object::player::goto {	2272	sub cf::object::player::goto {
1853	my ($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;
1854		2277
1855	$self->enter_link;	2278	$self->enter_link;
1856		2279
1857	(async {	2280	(async {
1858	my $map = eval {	2281	my $map = eval {
1859	my $map = cf::map::find $path;	2282	my $map = cf::map::find $path;
		2283
		2284	if ($map) {
1860	$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
1861	$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 $@;
1862	} or	2297	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2298
		2299	if ($gen == $self->{_goto_generation}) {
		2300	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2301	$self->leave_link ($map, $x, $y);
		2302	}
1866	})->prio (1);	2303	})->prio (1);
1867	}	2304	}
1868		2305
1869	=item $player_object->enter_exit ($exit_object)	2306	=item $player_object->enter_exit ($exit_object)
1870		2307
…		…
1909		2346
1910	$rmp->{random_seed} ||= $exit->random_seed;	2347	$rmp->{random_seed} ||= $exit->random_seed;
1911		2348
1912	my $data = cf::to_json $rmp;	2349	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2350	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2351	my $meta = "$RANDOMDIR/$md5.meta";
1915		2352
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2354	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2355	undef $fh;
1919	aio_rename "$meta~", $meta;	2356	aio_rename "$meta~", $meta;
…		…
1928		2365
1929	return unless $self->type == cf::PLAYER;	2366	return unless $self->type == cf::PLAYER;
1930		2367
1931	if ($exit->slaying eq "/!") {	2368	if ($exit->slaying eq "/!") {
1932	#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
1933	cf::sync_job { prepare_random_map $exit };	2372	cf::sync_job { prepare_random_map $exit };
1934	}	2373	}
1935		2374
1936	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;
1937	my $hp = $exit->stats->hp;	2376	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2377	my $sp = $exit->stats->sp;
1939		2378
1940	$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);
1941		2384
1942	(async {	2385	(async {
1943	$self->deactivate_recursive; # just to be sure	2386	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2387	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2388	$self->goto ($slaying, $hp, $sp);
1946		2389
1947	1;	2390	1;
1948	}) {	2391	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2392	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "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. "
1951	. "Please report this to the dungeon master!",	2394	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2395	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2396
1954	warn "ERROR in enter_exit: $@";	2397	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2398	$self->leave_link;
1956	}	2399	}
1957	})->prio (1);	2400	})->prio (1);
…		…
1970		2413
1971	sub cf::client::send_drawinfo {	2414	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2415	my ($self, $text, $flags) = @_;
1973		2416
1974	utf8::encode $text;	2417	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2419	}
1977		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	}
1978		2473
1979	=item $success = $client->query ($flags, "text", \&cb)	2474	=item $success = $client->query ($flags, "text", \&cb)
1980		2475
1981	Queues a query to the client, calling the given callback with	2476	Queues a query to the client, calling the given callback with
1982	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>,
1983	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>.
1984		2479
1985	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
1986	reliable at some point in the future.	2481	become reliable at some point in the future.
1987		2482
1988	=cut	2483	=cut
1989		2484
1990	sub cf::client::query {	2485	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2486	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2494	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2495	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2496
2002	$self->send_packet ($self->{query_queue}[0][0])	2497	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2498	if @{ $self->{query_queue} } == 1;
		2499
		2500	1
2004	}	2501	}
2005		2502
2006	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	},
2007	on_reply => sub {	2509	on_reply => sub {
2008	my ($ns, $msg) = @_;	2510	my ($ns, $msg) = @_;
2009		2511
2010	# this weird shuffling is so that direct followup queries	2512	# this weird shuffling is so that direct followup queries
2011	# get handled first	2513	# get handled first
…		…
2023	} else {	2525	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2526	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2527	}
2026	}	2528	}
2027	},	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	},
2028	);	2548	);
2029		2549
2030	=item $client->async (\&cb)	2550	=item $client->async (\&cb)
2031		2551
2032	Create a new coroutine, running the specified callback. The coroutine will	2552	Create a new coroutine, running the specified callback. The coroutine will
…		…
2079		2599
2080	# here we export the classes and methods available to script code	2600	# here we export the classes and methods available to script code
2081		2601
2082	=pod	2602	=pod
2083		2603
2084	The following fucntions and emthods are available within a safe environment:	2604	The following functions and methods are available within a safe environment:
2085		2605
2086	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
2087	cf::object::player player	2610	cf::object::player
2088	cf::player peaceful	2611	player
2089	cf::map trigger	2612
		2613	cf::player
		2614	peaceful
		2615
		2616	cf::map
		2617	trigger
2090		2618
2091	=cut	2619	=cut
2092		2620
2093	for (	2621	for (
2094	["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)],
2095	["cf::object::player" => qw(player)],	2624	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2625	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2626	["cf::map" => qw(trigger)],
2098	) {	2627	) {
2099	no strict 'refs';	2628	no strict 'refs';
…		…
2170	=back	2699	=back
2171		2700
2172	=cut	2701	=cut
2173		2702
2174	#############################################################################	2703	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	2704	# the server's init and main functions
2284		2705
2285	sub load_resources {	2706	sub load_facedata($) {
2286	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"
2287	or die "unable to load regions file\n";#d#	2787	or die "unable to load regions file\n";
		2788	}
		2789
		2790	sub reload_facedata {
		2791	load_facedata "$DATADIR/facedata"
		2792	or die "unable to load facedata\n";
		2793	}
		2794
		2795	sub reload_archetypes {
		2796	load_resource_file "$DATADIR/archetypes"
		2797	or die "unable to load archetypes\n";
		2798	#d# NEED to laod twice to resolve forward references
		2799	# this really needs to be done in an extra post-pass
		2800	# (which needs to be synchronous, so solve it differently)
		2801	load_resource_file "$DATADIR/archetypes"
		2802	or die "unable to load archetypes\n";
		2803	}
		2804
		2805	sub reload_treasures {
		2806	load_resource_file "$DATADIR/treasures"
		2807	or die "unable to load treasurelists\n";
		2808	}
		2809
		2810	sub reload_resources {
		2811	warn "reloading resource files...\n";
		2812
		2813	reload_regions;
		2814	reload_facedata;
		2815	#reload_archetypes;#d#
		2816	reload_archetypes;
		2817	reload_treasures;
		2818
		2819	warn "finished reloading resource files\n";
		2820	}
		2821
		2822	sub init {
		2823	reload_resources;
2288	}	2824	}
2289		2825
2290	sub cfg_load {	2826	sub cfg_load {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	2827	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	2828	or return;
2293		2829
2294	local $/;	2830	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	2831	*CFG = YAML::Syck::Load <$fh>;
2296		2832
…		…
2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2840	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2305	and die "WARNING: m(un)lockall failed: $!\n";	2841	and die "WARNING: m(un)lockall failed: $!\n";
2306	};	2842	};
2307	warn $@ if $@;	2843	warn $@ if $@;
2308	}	2844	}
2309	}
2310
2311	sub init {
2312	load_resources;
2313	}	2845	}
2314		2846
2315	sub main {	2847	sub main {
2316	# we must not ever block the main coroutine	2848	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	2849	local $Coro::idle = sub {
…		…
2320	Event::one_event;	2852	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	2853	})->prio (Coro::PRIO_MAX);
2322	};	2854	};
2323		2855
2324	cfg_load;	2856	cfg_load;
2325	db_load;	2857	db_init;
2326	load_extensions;	2858	load_extensions;
2327		2859
2328	$TICK_WATCHER->start;	2860	$TICK_WATCHER->start;
2329	Event::loop;	2861	Event::loop;
2330	}	2862	}
…		…
2345	},	2877	},
2346	);	2878	);
2347	}	2879	}
2348	}	2880	}
2349		2881
		2882	sub write_runtime {
		2883	my $runtime = "$LOCALDIR/runtime";
		2884
		2885	# first touch the runtime file to show we are still running:
		2886	# the fsync below can take a very very long time.
		2887
		2888	IO::AIO::aio_utime $runtime, undef, undef;
		2889
		2890	my $guard = cf::lock_acquire "write_runtime";
		2891
		2892	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2893	or return;
		2894
		2895	my $value = $cf::RUNTIME + 90 + 10;
		2896	# 10 is the runtime save interval, for a monotonic clock
		2897	# 60 allows for the watchdog to kill the server.
		2898
		2899	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2900	and return;
		2901
		2902	# always fsync - this file is important
		2903	aio_fsync $fh
		2904	and return;
		2905
		2906	# touch it again to show we are up-to-date
		2907	aio_utime $fh, undef, undef;
		2908
		2909	close $fh
		2910	or return;
		2911
		2912	aio_rename "$runtime~", $runtime
		2913	and return;
		2914
		2915	warn "runtime file written.\n";
		2916
		2917	1
		2918	}
		2919
2350	sub emergency_save() {	2920	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	2921	my $freeze_guard = cf::freeze_mainloop;
2352		2922
2353	warn "enter emergency perl save\n";	2923	warn "enter emergency perl save\n";
2354		2924
…		…
2369	my $map = $cf::MAP{$path} or next;	2939	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	2940	$map->valid or next;
2371	$map->save;	2941	$map->save;
2372	}	2942	}
2373	warn "end emergency map save\n";	2943	warn "end emergency map save\n";
		2944
		2945	warn "begin emergency database checkpoint\n";
		2946	BDB::db_env_txn_checkpoint $DB_ENV;
		2947	warn "end emergency database checkpoint\n";
2374	};	2948	};
2375		2949
2376	warn "leave emergency perl save\n";	2950	warn "leave emergency perl save\n";
2377	}	2951	}
2378		2952
		2953	sub post_cleanup {
		2954	my ($make_core) = @_;
		2955
		2956	warn Carp::longmess "post_cleanup backtrace"
		2957	if $make_core;
		2958	}
		2959
2379	sub reload() {	2960	sub do_reload_perl() {
2380	# can/must only be called in main	2961	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	2962	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	2963	warn "can only reload from main coroutine";
2383	return;	2964	return;
2384	}	2965	}
2385		2966
2386	warn "reloading...";	2967	warn "reloading...";
2387		2968
2388	warn "cancelling server ticker";	2969	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		2970
		2971	cf::sync_job {
		2972	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	2973	cf::emergency_save;
		2974	cf::write_runtime; # external watchdog should not bark
2392		2975
2393	eval {	2976	warn "syncing database to disk";
		2977	BDB::db_env_txn_checkpoint $DB_ENV;
		2978
2394	# if anything goes wrong in here, we should simply crash as we already saved	2979	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398		2980
2399	warn "cancelling all WF_AUTOCANCEL watchers";	2981	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	2982	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	2983	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	2984	}
2403		2985
2404	warn "flushing outstanding aio requests";	2986	warn "flushing outstanding aio requests";
2405	for (;;) {	2987	for (;;) {
		2988	BDB::flush;
2406	IO::AIO::flush;	2989	IO::AIO::flush;
2407	Coro::cede;	2990	Coro::cede;
2408	last unless IO::AIO::nreqs;	2991	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	2992	warn "iterate...";
2410	}	2993	}
		2994
		2995	++$RELOAD;
2411		2996
2412	warn "cancelling all extension coros";	2997	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	2998	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	2999	%EXT_CORO = ();
2415		3000
2416	warn "removing commands";	3001	warn "removing commands";
2417	%COMMAND = ();	3002	%COMMAND = ();
2418		3003
2419	warn "removing ext commands";	3004	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3005	%EXTCMD = ();
		3006	%EXTICMD = ();
2421		3007
2422	warn "unloading/nuking all extensions";	3008	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3009	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3010	warn "... unloading $pkg";
2425		3011
…		…
2455	Symbol::delete_package "safe::$_"	3041	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3042	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3043
2458	warn "unloading cf.pm \"a bit\"";	3044	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3045	delete $INC{"cf.pm"};
		3046	delete $INC{"cf/pod.pm"};
2460		3047
2461	# don't, removes xs symbols, too,	3048	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3049	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3050	#Symbol::delete_package __PACKAGE__;
2464		3051
…		…
2468	require cf;	3055	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3056	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3057
2471	warn "loading config and database again";	3058	warn "loading config and database again";
2472	cf::cfg_load;	3059	cf::cfg_load;
2473	cf::db_load;
2474		3060
2475	warn "loading extensions";	3061	warn "loading extensions";
2476	cf::load_extensions;	3062	cf::load_extensions;
2477		3063
2478	warn "reattaching attachments to objects/players";	3064	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3065	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3066	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3067	reattach $_ for values %MAP;
		3068	warn "reattaching attachments to players";
		3069	reattach $_ for values %PLAYER;
2482		3070
2483	warn "loading reloadable resources";	3071	warn "leaving sync_job";
2484	load_resources;
2485		3072
2486	warn "restarting server ticker";	3073	1
2487		3074	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	3075	warn $@;
2493	warn "error while reloading, exiting.";	3076	warn "error while reloading, exiting.";
2494	exit 1;	3077	exit 1;
2495	}	3078	};
2496		3079
2497	warn "reloaded";	3080	warn "reloaded";
2498	};	3081	};
2499		3082
2500	our $RELOAD_WATCHER; # used only during reload	3083	our $RELOAD_WATCHER; # used only during reload
2501		3084
		3085	sub reload_perl() {
		3086	# doing reload synchronously and two reloads happen back-to-back,
		3087	# coro crashes during coro_state_free->destroy here.
		3088
		3089	$RELOAD_WATCHER ||= Event->timer (
		3090	reentrant => 0,
		3091	after => 0,
		3092	data => WF_AUTOCANCEL,
		3093	cb => sub {
		3094	do_reload_perl;
		3095	undef $RELOAD_WATCHER;
		3096	},
		3097	);
		3098	}
		3099
2502	register_command "reload" => sub {	3100	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3101	my ($who, $arg) = @_;
2504		3102
2505	if ($who->flag (FLAG_WIZ)) {	3103	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3104	$who->message ("reloading server.");
2507		3105	async { reload_perl };
2508	# doing reload synchronously and two reloads happen back-to-back,
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);
2520	}	3106	}
2521	};	3107	};
2522		3108
2523	unshift @INC, $LIBDIR;	3109	unshift @INC, $LIBDIR;
2524		3110
2525	my $bug_warning = 0;	3111	my $bug_warning = 0;
2526		3112
		3113	our @WAIT_FOR_TICK;
		3114	our @WAIT_FOR_TICK_BEGIN;
		3115
		3116	sub wait_for_tick {
		3117	return unless $TICK_WATCHER->is_active;
		3118	return if $Coro::current == $Coro::main;
		3119
		3120	my $signal = new Coro::Signal;
		3121	push @WAIT_FOR_TICK, $signal;
		3122	$signal->wait;
		3123	}
		3124
		3125	sub wait_for_tick_begin {
		3126	return unless $TICK_WATCHER->is_active;
		3127	return if $Coro::current == $Coro::main;
		3128
		3129	my $signal = new Coro::Signal;
		3130	push @WAIT_FOR_TICK_BEGIN, $signal;
		3131	$signal->wait;
		3132	}
		3133
		3134	my $min = 1e6;#d#
		3135	my $avg = 10;
2527	$TICK_WATCHER = Event->timer (	3136	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	3137	reentrant => 0,
2529	parked => 1,	3138	parked => 1,
2530	prio => 0,	3139	prio => 0,
2531	at => $NEXT_TICK || $TICK,	3140	at => $NEXT_TICK || $TICK,
…		…
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3144	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3145	unless ++$bug_warning > 10;
2537	return;	3146	return;
2538	}	3147	}
2539		3148
2540	$NOW = Event::time;	3149	$NOW = $tick_start = Event::time;
2541		3150
2542	cf::server_tick; # one server iteration	3151	cf::server_tick; # one server iteration
		3152
		3153	0 && sync_job {#d#
		3154	for(1..10) {
		3155	my $t = Event::time;
		3156	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3157	or die;
		3158
		3159	$map->width (50);
		3160	$map->height (50);
		3161	$map->alloc;
		3162	$map->_load_objects ("/tmp/x.map", 1);
		3163	my $t = Event::time - $t;
		3164
		3165	#next unless $t < 0.0013;#d#
		3166	if ($t < $min) {
		3167	$min = $t;
		3168	}
		3169	$avg = $avg * 0.99 + $t * 0.01;
		3170	}
		3171	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3172	exit 0;
		3173	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3174	};
		3175
2543	$RUNTIME += $TICK;	3176	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	3177	$NEXT_TICK += $TICK;
2545		3178
2546	$WAIT_FOR_TICK->broadcast;	3179	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3180	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		3181	Coro::async_pool {
2549	Event::sweep;	3182	write_runtime
2550	Coro::cede_notself;	3183	or warn "ERROR: unable to write runtime file: $!";
		3184	};
2551		3185	}
		3186
2552	# my $AFTER = Event::time;	3187	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#	3188	# warn $AFTER - $NOW;#d#
2554		3189
		3190	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3191	$sig->send;
		3192	}
		3193	while (my $sig = shift @WAIT_FOR_TICK) {
		3194	$sig->send;
		3195	}
		3196
		3197	$NOW = Event::time;
		3198
2555	# if we are delayed by four ticks or more, skip them all	3199	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3200	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		3201
2558	$TICK_WATCHER->at ($NEXT_TICK);	3202	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;	3203	$TICK_WATCHER->start;
		3204
		3205	$LOAD = ($NOW - $tick_start) / $TICK;
		3206	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3207
		3208	_post_tick;
		3209
		3210
2560	},	3211	},
2561	);	3212	);
2562		3213
2563	{	3214	{
2564	BDB::max_poll_time $TICK * 0.1;	3215	BDB::max_poll_time $TICK * 0.1;
…		…
2589		3240
2590	unless ($DB_ENV) {	3241	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3242	$DB_ENV = BDB::db_env_create;
2592		3243
2593	cf::sync_job {	3244	cf::sync_job {
		3245	eval {
2594	BDB::db_env_open	3246	BDB::db_env_open
2595	$DB_ENV,	3247	$DB_ENV,
2596	$BDB_ENV_DIR,	3248	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3249	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3250	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3251	0666;
2600		3252
2601	cf::cleanup "$!" if $!;	3253	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3254
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3255	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3256	$DB_ENV->set_lk_detect;
		3257	};
		3258
		3259	cf::cleanup "db_env_open(db): $@" if $@;
2604	};	3260	};
2605	}	3261	}
2606	}	3262	}
2607		3263
2608	{	3264	{
…		…
2610		3266
2611	undef $Coro::AIO::WATCHER;	3267	undef $Coro::AIO::WATCHER;
2612	IO::AIO::max_poll_time $TICK * 0.1;	3268	IO::AIO::max_poll_time $TICK * 0.1;
2613	$AIO_POLL_WATCHER = Event->io (	3269	$AIO_POLL_WATCHER = Event->io (
2614	reentrant => 0,	3270	reentrant => 0,
		3271	data => WF_AUTOCANCEL,
2615	fd => IO::AIO::poll_fileno,	3272	fd => IO::AIO::poll_fileno,
2616	poll => 'r',	3273	poll => 'r',
2617	prio => 6,	3274	prio => 6,
2618	data => WF_AUTOCANCEL,
2619	cb => \&IO::AIO::poll_cb,	3275	cb => \&IO::AIO::poll_cb,
2620	);	3276	);
2621	}	3277	}
2622		3278
2623	$WRITE_RUNTIME_WATCHER = Event->timer (	3279	my $_log_backtrace;
2624	reentrant => 0,	3280
2625	data => WF_AUTOCANCEL,	3281	sub _log_backtrace {
2626	after => 1,	3282	my ($msg, @addr) = @_;
2627	interval => 10,	3283
2628	prio => 6, # keep it lowest so it acts like a watchdog	3284	$msg =~ s/\n//;
2629	cb => Coro::unblock_sub {	3285
2630	write_runtime	3286	# limit the # of concurrent backtraces
2631	or warn "ERROR: unable to write runtime file: $!";	3287	if ($_log_backtrace < 2) {
		3288	++$_log_backtrace;
		3289	async {
		3290	my @bt = fork_call {
		3291	@addr = map { sprintf "%x", $_ } @addr;
		3292	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3293	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3294	or die "addr2line: $!";
		3295
		3296	my @funcs;
		3297	my @res = <$fh>;
		3298	chomp for @res;
		3299	while (@res) {
		3300	my ($func, $line) = splice @res, 0, 2, ();
		3301	push @funcs, "[$func] $line";
		3302	}
		3303
		3304	@funcs
		3305	};
		3306
		3307	LOG llevInfo, "[ABT] $msg\n";
		3308	LOG llevInfo, "[ABT] $_\n" for @bt;
		3309	--$_log_backtrace;
		3310	};
		3311	} else {
		3312	LOG llevInfo, "[ABT] $msg\n";
		3313	LOG llevInfo, "[ABT] [suppressed]\n";
2632	},	3314	}
2633	);	3315	}
		3316
		3317	# load additional modules
		3318	use cf::pod;
2634		3319
2635	END { cf::emergency_save }	3320	END { cf::emergency_save }
2636		3321
2637	1	3322	1
2638		3323

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