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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.215 by root, Thu Feb 15 03:19:02 2007 UTC vs.
Revision 1.283 by root, Sun Jun 24 04:09:29 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
20	use BDB ();	25	use BDB ();
21	use Data::Dumper;	26	use Data::Dumper;
22	use Digest::MD5;	27	use Digest::MD5;
23	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
24	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	31	use Time::HiRes;
27	use Compress::LZF;	32	use Compress::LZF;
28		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		39
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		41
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
37		44
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
39		48
40	our %COMMAND = ();	49	our %COMMAND = ();
41	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
42		51
43	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	53	our %EXTCMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
47		56
		57	our $RELOAD; # number of reloads so far
48	our @EVENT;	58	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		59
51	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	73	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	76	our $NEXT_TICK;
56	our $NOW;	77	our $NOW;
…		…
65	our $RUNTIME;	86	our $RUNTIME;
66		87
67	our %PLAYER; # all users	88	our %PLAYER; # all users
68	our %MAP; # all maps	89	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		91
76	# used to convert map paths into valid unix filenames by replacing / by ∕	92	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
		98
79	binmode STDOUT;	99	binmode STDOUT;
80	binmode STDERR;	100	binmode STDERR;
81		101
82	# read virtual server time, if available	102	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
87	}	107	}
88		108
89	mkdir cf::localdir;	109	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		111
96	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
97		113
98	sub cf::map::normalise;	114	sub cf::map::normalise;
99		115
…		…
110	=item $cf::RUNTIME	126	=item $cf::RUNTIME
111		127
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	129	every server tick.
114		130
115	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		134
117	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
119		139
120	=item $cf::NOW	140	=item $cf::NOW
121		141
122	The time of the last (current) server tick.	142	The time of the last (current) server tick.
123		143
124	=item $cf::TICK	144	=item $cf::TICK
125		145
126	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
127		157
128	=item %cf::CFG	158	=item %cf::CFG
129		159
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	161	from wherever your confdir points to.
132		162
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		164
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.
139		168
140	=back	169	=back
141		170
142	=cut	171	=cut
143		172
144	BEGIN {	173	BEGIN {
145	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	175	my $msg = join "", @_;
147	utf8::encode $msg;
148		176
149	$msg .= "\n"	177	$msg .= "\n"
150	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
151		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
152	LOG llevError, $msg;	183	LOG llevError, $msg;
153	};	184	};
154	}	185	}
155		186
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		194
163	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	196	# within the Safe compartment.
165	for my $pkg (qw(	197	for my $pkg (qw(
166	cf::global cf::attachable	198	cf::global cf::attachable
…		…
174	}	206	}
175		207
176	$Event::DIED = sub {	208	$Event::DIED = sub {
177	warn "error in event callback: @_";	209	warn "error in event callback: @_";
178	};	210	};
		211
		212	#############################################################################
179		213
180	=head2 UTILITY FUNCTIONS	214	=head2 UTILITY FUNCTIONS
181		215
182	=over 4	216	=over 4
183		217
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	237	$d
204	} || "[unable to dump $_[0]: '$@']";	238	} || "[unable to dump $_[0]: '$@']";
205	}	239	}
206		240
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
208		242
209	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
210		244
211	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
212		246
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
221		248
222	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
223
224	=cut
225
226	sub to_json($) {
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
228	JSON::Syck::Dump $_[0]
229	}
230		250
231	=item cf::lock_wait $string	251	=item cf::lock_wait $string
232		252
233	Wait until the given lock is available. See cf::lock_acquire.	253	Wait until the given lock is available. See cf::lock_acquire.
234		254
…		…
240	returned.	260	returned.
241		261
242	Lock names should begin with a unique identifier (for example, cf::map::find	262	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	263	uses map_find and cf::map::load uses map_load).
244		264
		265	=item $locked = cf::lock_active $string
		266
		267	Return true if the lock is currently active, i.e. somebody has locked it.
		268
245	=cut	269	=cut
246		270
247	our %LOCK;	271	our %LOCK;
248		272
249	sub lock_wait($) {	273	sub lock_wait($) {
…		…
266		290
267	Coro::guard {	291	Coro::guard {
268	# wake up all waiters, to be on the safe side	292	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	293	$_->ready for @{ delete $LOCK{$key} };
270	}	294	}
		295	}
		296
		297	sub lock_active($) {
		298	my ($key) = @_;
		299
		300	! ! $LOCK{$key}
271	}	301	}
272		302
273	sub freeze_mainloop {	303	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	304	return unless $TICK_WATCHER->is_active;
275		305
…		…
290		320
291	BEGIN { *async = \&Coro::async_pool }	321	BEGIN { *async = \&Coro::async_pool }
292		322
293	=item cf::sync_job { BLOCK }	323	=item cf::sync_job { BLOCK }
294		324
295	The design of crossfire+ requires that the main coro ($Coro::main) is	325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	326	is always able to handle events or runnable, as Crossfire TRT is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		328	acceptable.
298		329
299	If it must be done, put the blocking parts into C<sync_job>. This will run	330	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	331	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	332	server will be frozen during this time, so the block should either finish
302	fast or be very important.	333	fast or be very important.
…		…
305		336
306	sub sync_job(&) {	337	sub sync_job(&) {
307	my ($job) = @_;	338	my ($job) = @_;
308		339
309	if ($Coro::current == $Coro::main) {	340	if ($Coro::current == $Coro::main) {
		341	my $time = Event::time;
		342
310	# this is the main coro, too bad, we have to block	343	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	344	# till the operation succeeds, freezing the server :/
312		345
313	# TODO: use suspend/resume instead	346	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	347	# (but this is cancel-safe)
…		…
325		358
326	while ($busy) {	359	while ($busy) {
327	Coro::cede or Event::one_event;	360	Coro::cede or Event::one_event;
328	}	361	}
329		362
		363	$time = Event::time - $time;
		364
		365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		367
		368	$tick_start += $time; # do not account sync jobs to server load
		369
330	wantarray ? @res : $res[0]	370	wantarray ? @res : $res[0]
331	} else {	371	} else {
332	# we are in another coroutine, how wonderful, everything just works	372	# we are in another coroutine, how wonderful, everything just works
333		373
334	$job->()	374	$job->()
…		…
353	$EXT_CORO{$coro+0} = $coro;	393	$EXT_CORO{$coro+0} = $coro;
354		394
355	$coro	395	$coro
356	}	396	}
357		397
358	sub write_runtime {	398	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		399
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	400	Executes the given code block with the given arguments in a seperate
362	or return;	401	process, returning the results. Everything must be serialisable with
		402	Coro::Storable. May, of course, block. Note that the executed sub may
		403	never block itself or use any form of Event handling.
363		404
364	my $value = $cf::RUNTIME + 90 + 10;	405	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		406
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	407	sub fork_call(&@) {
369	and return;	408	my ($cb, @args) = @_;
370		409
371	# always fsync - this file is important	410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
372	aio_fsync $fh	411	# or die "socketpair: $!";
373	and return;	412	pipe my $fh1, my $fh2
		413	or die "pipe: $!";
374		414
		415	if (my $pid = fork) {
375	close $fh	416	close $fh2;
376	or return;
377		417
378	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
379	and return;	419	$res = Coro::Storable::thaw $res;
380		420
		421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
381	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		473	my $key = "$_[0]/$_[1]";
		474
		475	cf::sync_job {
		476	BDB::db_get $DB, undef, $key, my $data;
		477
		478	$! ? ()
		479	: $data
		480	}
		481	}
		482
		483	sub db_put($$$) {
		484	BDB::dbreq_pri 4;
		485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		486	}
		487
		488	=item cf::cache $id => [$paths...], $processversion => $process
		489
		490	Generic caching function that returns the value of the resource $id,
		491	caching and regenerating as required.
		492
		493	This function can block.
		494
		495	=cut
		496
		497	sub cache {
		498	my ($id, $src, $processversion, $process) = @_;
		499
		500	my $meta =
		501	join "\x00",
		502	$processversion,
		503	map {
		504	aio_stat $_
		505	and Carp::croak "$_: $!";
		506
		507	($_, (stat _)[7,9])
		508	} @$src;
		509
		510	my $dbmeta = db_get cache => "$id/meta";
		511	if ($dbmeta ne $meta) {
		512	# changed, we may need to process
		513
		514	my @data;
		515	my $md5;
		516
		517	for (0 .. $#$src) {
		518	0 <= aio_load $src->[$_], $data[$_]
		519	or Carp::croak "$src->[$_]: $!";
		520	}
		521
		522	# if processing is expensive, check
		523	# checksum first
		524	if (1) {
		525	$md5 =
		526	join "\x00",
		527	$processversion,
		528	map {
		529	Coro::cede;
		530	($src->[$_], Digest::MD5::md5_hex $data[$_])
		531	} 0.. $#$src;
		532
		533
		534	my $dbmd5 = db_get cache => "$id/md5";
		535	if ($dbmd5 eq $md5) {
		536	db_put cache => "$id/meta", $meta;
		537
		538	return db_get cache => "$id/data";
		539	}
		540	}
		541
		542	my $t1 = Time::HiRes::time;
		543	my $data = $process->(\@data);
		544	my $t2 = Time::HiRes::time;
		545
		546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		547
		548	db_put cache => "$id/data", $data;
		549	db_put cache => "$id/md5" , $md5;
		550	db_put cache => "$id/meta", $meta;
		551
		552	return $data;
		553	}
		554
		555	db_get cache => "$id/data"
		556	}
		557
		558	=item cf::datalog type => key => value, ...
		559
		560	Log a datalog packet of the given type with the given key-value pairs.
		561
		562	=cut
		563
		564	sub datalog($@) {
		565	my ($type, %kv) = @_;
		566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	567	}
383		568
384	=back	569	=back
385		570
386	=cut	571	=cut
…		…
393	attach callbacks/event handlers (a collection of which is called an "attachment")	578	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
395		580
396	In the following description, CLASS can be any of C<global>, C<object>	581	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	582	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	583	Crossfire TRT).
399		584
400	=over 4	585	=over 4
401		586
402	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
403		588
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	751	$registry = $CB_TYPE[$object_type] ||= [];
567		752
568	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		757
573	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	759	my $pkg = shift @arg;
575		760
576	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
606	}	791	}
607		792
608	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
609	} else {	794	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	796	}
612		797
613	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
614	}	799	}
615		800
…		…
617	if (ref $_[0]) {	802	if (ref $_[0]) {
618	_object_attach @_;	803	_object_attach @_;
619	} else {	804	} else {
620	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
621	}	806	}
		807	_recalc_want;
622	};	808	};
623		809
624	# all those should be optimised	810	# all those should be optimised
625	sub cf::attachable::detach {	811	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
630	reattach ($obj);	816	reattach ($obj);
631	} else {	817	} else {
632	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
633	}	819	}
		820	_recalc_want;
634	};	821	};
635		822
636	sub cf::attachable::attached {	823	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
638		825
…		…
785	}	972	}
786	} else {	973	} else {
787	aio_unlink $filename;	974	aio_unlink $filename;
788	aio_unlink "$filename.pst";	975	aio_unlink "$filename.pst";
789	}	976	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	977	}
797	}	978	}
798		979
799	sub object_freezer_as_string {	980	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	981	my ($rdata, $objs) = @_;
…		…
806		987
807	sub object_thawer_load {	988	sub object_thawer_load {
808	my ($filename) = @_;	989	my ($filename) = @_;
809		990
810	my ($data, $av);	991	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		992
815	(aio_load $filename, $data) >= 0	993	(aio_load $filename, $data) >= 0
816	or return;	994	or return;
817		995
818	unless (aio_stat "$filename.pst") {	996	unless (aio_stat "$filename.pst") {
…		…
820	or return;	998	or return;
821	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
822	}	1000	}
823		1001
824	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
826	return ($data, $av);	1004	return ($data, $av);
827	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
828		1012
829	#############################################################################	1013	#############################################################################
830	# command handling &c	1014	# command handling &c
831		1015
832	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1030	}
847		1031
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1033
850	Register a callbackf ro execution when the client sends an extcmd packet.	1034	Register a callback fro execution when the client sends an extcmd packet.
851		1035
852	If the callback returns something, it is sent back as if reply was being	1036	If the callback returns something, it is sent back as if reply was being
853	called.	1037	called.
854		1038
855	=cut	1039	=cut
…		…
890		1074
891	cf::override;	1075	cf::override;
892	},	1076	},
893	);	1077	);
894		1078
895	sub load_extension {
896	my ($path) = @_;
897
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
899	my $base = $1;
900	my $pkg = $1;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}
923	die $@;
924	}
925
926	push @EXTS, $pkg;
927	}
928
929	sub load_extensions {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
930	for my $ext (<$LIBDIR/*.ext>) {	1083	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1084	next unless -r $path;
932	eval {	1085
933	load_extension $ext;	1086	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1087	my $base = $1;
		1088	my $pkg = $1;
		1089	$pkg =~ s/[^[:word:]]/_/g;
		1090	$pkg = "ext::$pkg";
		1091
		1092	open my $fh, "<:utf8", $path
		1093	or die "$path: $!";
		1094
		1095	my $source = do { local $/; <$fh> };
		1096
		1097	my %ext = (
		1098	path => $path,
		1099	base => $base,
		1100	pkg => $pkg,
		1101	);
		1102
		1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1105
		1106	$ext{source} =
		1107	"package $pkg; use strict; use utf8;\n"
		1108	. "#line 1 \"$path\"\n{\n"
		1109	. $source
		1110	. "\n};\n1";
		1111
		1112	$todo{$base} = \%ext;
		1113	}
		1114
		1115	my %done;
		1116	while (%todo) {
		1117	my $progress;
		1118
		1119	while (my ($k, $v) = each %todo) {
		1120	for (split /,\s*/, $v->{meta}{depends}) {
		1121	goto skip
		1122	unless exists $done{$_};
		1123	}
		1124
		1125	warn "... loading '$k' into '$v->{pkg}'\n";
		1126
		1127	unless (eval $v->{source}) {
		1128	my $msg = $@ ? "$v->{path}: $@\n"
		1129	: "$v->{base}: extension inactive.\n";
		1130
		1131	if (exists $v->{meta}{mandatory}) {
		1132	warn $msg;
		1133	warn "mandatory extension failed to load, exiting.\n";
		1134	exit 1;
		1135	}
		1136
		1137	warn $msg;
		1138	}
		1139
		1140	$done{$k} = delete $todo{$k};
		1141	push @EXTS, $v->{pkg};
		1142	$progress = 1;
934	1	1143	}
935	} or warn "$ext not loaded: $@";	1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
936	}	1149	};
937	}	1150	}
938		1151
939	#############################################################################	1152	#############################################################################
940		1153
		1154	=back
		1155
941	=head2 CORE EXTENSIONS	1156	=head2 CORE EXTENSIONS
942		1157
943	Functions and methods that extend core crossfire objects.	1158	Functions and methods that extend core crossfire objects.
944		1159
945	=cut	1160	=cut
…		…
957	Returns the given player object, loading it if necessary (might block).	1172	Returns the given player object, loading it if necessary (might block).
958		1173
959	=cut	1174	=cut
960		1175
961	sub playerdir($) {	1176	sub playerdir($) {
962	cf::localdir	1177	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1179	}
968		1180
969	sub path($) {	1181	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1183
972	(playerdir $login) . "/$login.pl"	1184	(playerdir $login) . "/playerdata"
973	}	1185	}
974		1186
975	sub find_active($) {	1187	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1188	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1189	and $cf::PLAYER{$_[0]}->active
…		…
990	my $login = $_[0];	1202	my $login = $_[0];
991		1203
992	my $guard = cf::lock_acquire "user_find:$login";	1204	my $guard = cf::lock_acquire "user_find:$login";
993		1205
994	$cf::PLAYER{$_[0]} || do {	1206	$cf::PLAYER{$_[0]} || do {
		1207	# rename old playerfiles to new ones
		1208	#TODO: remove when no longer required
		1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1212	aio_unlink +(playerdir $login) . "/$login.pl";
		1213
995	my $pl = load_pl path $login	1214	my $pl = load_pl path $login
996	or return;	1215	or return;
997	$cf::PLAYER{$login} = $pl	1216	$cf::PLAYER{$login} = $pl
998	}	1217	}
999	}	1218	}
…		…
1036		1255
1037	=cut	1256	=cut
1038		1257
1039	sub quit_character {	1258	sub quit_character {
1040	my ($pl) = @_;	1259	my ($pl) = @_;
		1260
		1261	my $name = $pl->ob->name;
1041		1262
1042	$pl->{deny_save} = 1;	1263	$pl->{deny_save} = 1;
1043	$pl->password ("*"); # this should lock out the player until we nuked the dir	1264	$pl->password ("*"); # this should lock out the player until we nuked the dir
1044		1265
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1050	my $path = playerdir $pl;	1271	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1272	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1273	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1274	delete $cf::PLAYER{$pl->ob->name};
1054	$pl->destroy;	1275	$pl->destroy;
		1276
		1277	my $prefix = qr<^~\Q$name\E/>;
		1278
		1279	# nuke player maps
		1280	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1281
1055	IO::AIO::aio_rmtree $temp;	1282	IO::AIO::aio_rmtree $temp;
		1283	}
		1284
		1285	=item $pl->kick
		1286
		1287	Kicks a player out of the game. This destroys the connection.
		1288
		1289	=cut
		1290
		1291	sub kick {
		1292	my ($pl, $kicker) = @_;
		1293
		1294	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1295	$pl->killer ("kicked");
		1296	$pl->ns->destroy;
1056	}	1297	}
1057		1298
1058	=item cf::player::list_logins	1299	=item cf::player::list_logins
1059		1300
1060	Returns am arrayref of all valid playernames in the system, can take a	1301	Returns am arrayref of all valid playernames in the system, can take a
1061	while and may block, so not sync_job-capable, ever.	1302	while and may block, so not sync_job-capable, ever.
1062		1303
1063	=cut	1304	=cut
1064		1305
1065	sub list_logins {	1306	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1307	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1308	or return [];
1068		1309
1069	my @logins;	1310	my @logins;
1070		1311
1071	for my $login (@$dirs) {	1312	for my $login (@$dirs) {
…		…
1106	}	1347	}
1107		1348
1108	\@paths	1349	\@paths
1109	}	1350	}
1110		1351
		1352	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1353
		1354	Expand crossfire pod fragments into protocol xml.
		1355
		1356	=cut
		1357
		1358	sub expand_cfpod {
		1359	((my $self), (local $_)) = @_;
		1360
		1361	# escape & and <
		1362	s/&/&amp;/g;
		1363	s/(?<![BIUGH])</&lt;/g;
		1364
		1365	# this is buggy, it needs to properly take care of nested <'s
		1366
		1367	1 while
		1368	# replace B<>, I<>, U<> etc.
		1369	s/B<([^\>]*)>/<b>$1<\/b>/
		1370	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1371	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1372	# replace G<male|female> tags
		1373	|| s{G<([^>|]*)\|([^>]*)>}{
		1374	$self->gender ? $2 : $1
		1375	}ge
		1376	# replace H<hint text>
		1377	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
		1378
		1379	# create single paragraphs (very hackish)
		1380	s/(?<=\S)\n(?=\w)/ /g;
		1381
		1382	$_
		1383	}
		1384
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1385	=item $player->ext_reply ($msgid, %msg)
1112		1386
1113	Sends an ext reply to the player.	1387	Sends an ext reply to the player.
1114		1388
1115	=cut	1389	=cut
1116		1390
1117	sub ext_reply($$$%) {	1391	sub ext_reply($$%) {
1118	my ($self, $id, %msg) = @_;	1392	my ($self, $id, %msg) = @_;
1119		1393
1120	$msg{msgid} = $id;	1394	$msg{msgid} = $id;
1121		1395
1122	$self->send ("ext " . cf::to_json \%msg);	1396	$self->send ("ext " . cf::to_json \%msg);
1123	}	1397	}
1124		1398
1125	package cf;	1399	=item $player->ext_event ($type, %msg)
		1400
		1401	Sends an ext event to the client.
		1402
		1403	=cut
		1404
		1405	sub ext_event($$%) {
		1406	my ($self, $type, %msg) = @_;
		1407
		1408	$self->ns->ext_event ($type, %msg);
		1409	}
		1410
		1411	=head3 cf::region
		1412
		1413	=over 4
		1414
		1415	=cut
		1416
		1417	package cf::region;
		1418
		1419	=item cf::region::find_by_path $path
		1420
		1421	Tries to decuce the likely region for a map knowing only its path.
		1422
		1423	=cut
		1424
		1425	sub find_by_path($) {
		1426	my ($path) = @_;
		1427
		1428	my ($match, $specificity);
		1429
		1430	for my $region (list) {
		1431	if ($region->match && $path =~ $region->match) {
		1432	($match, $specificity) = ($region, $region->specificity)
		1433	if $region->specificity > $specificity;
		1434	}
		1435	}
		1436
		1437	$match
		1438	}
1126		1439
1127	=back	1440	=back
1128
1129		1441
1130	=head3 cf::map	1442	=head3 cf::map
1131		1443
1132	=over 4	1444	=over 4
1133		1445
…		…
1188	my ($self, $merge) = @_;	1500	my ($self, $merge) = @_;
1189		1501
1190	# we have to keep some variables in memory intact	1502	# we have to keep some variables in memory intact
1191	local $self->{path};	1503	local $self->{path};
1192	local $self->{load_path};	1504	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		1505
1196	$self->SUPER::thawer_merge ($merge);	1506	$self->SUPER::thawer_merge ($merge);
1197	}	1507	}
1198		1508
1199	sub normalise {	1509	sub normalise {
…		…
1271		1581
1272	# the original (read-only) location	1582	# the original (read-only) location
1273	sub load_path {	1583	sub load_path {
1274	my ($self) = @_;	1584	my ($self) = @_;
1275		1585
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1586	"$MAPDIR/$self->{path}.map"
1277	}	1587	}
1278		1588
1279	# the temporary/swap location	1589	# the temporary/swap location
1280	sub save_path {	1590	sub save_path {
1281	my ($self) = @_;	1591	my ($self) = @_;
1282		1592
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1594	"$TMPDIR/$path.map"
1285	}	1595	}
1286		1596
1287	# the unique path, undef == no special unique path	1597	# the unique path, undef == no special unique path
1288	sub uniq_path {	1598	sub uniq_path {
1289	my ($self) = @_;	1599	my ($self) = @_;
1290		1600
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1602	"$UNIQUEDIR/$path"
1293	}	1603	}
1294		1604
1295	# and all this just because we cannot iterate over	1605	# and all this just because we cannot iterate over
1296	# all maps in C++...	1606	# all maps in C++...
1297	sub change_all_map_light {	1607	sub change_all_map_light {
…		…
1299		1609
1300	$_->change_map_light ($change)	1610	$_->change_map_light ($change)
1301	for grep $_->outdoor, values %cf::MAP;	1611	for grep $_->outdoor, values %cf::MAP;
1302	}	1612	}
1303		1613
		1614	sub decay_objects {
		1615	my ($self) = @_;
		1616
		1617	return if $self->{deny_reset};
		1618
		1619	$self->do_decay_objects;
		1620	}
		1621
1304	sub unlink_save {	1622	sub unlink_save {
1305	my ($self) = @_;	1623	my ($self) = @_;
1306		1624
1307	utf8::encode (my $save = $self->save_path);	1625	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1626	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1627	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	1628	}
1316		1629
1317	sub load_header_from($) {	1630	sub load_header_from($) {
1318	my ($self, $path) = @_;	1631	my ($self, $path) = @_;
1319		1632
…		…
1369	$self->load_header_orig	1682	$self->load_header_orig
1370	or return;	1683	or return;
1371	$self->prepare_orig;	1684	$self->prepare_orig;
1372	}	1685	}
1373		1686
		1687	$self->{deny_reset} = 1
		1688	if $self->no_reset;
		1689
		1690	$self->default_region (cf::region::find_by_path $self->{path})
		1691	unless $self->default_region;
		1692
1374	1	1693	1
1375	}	1694	}
1376		1695
1377	sub find;	1696	sub find;
1378	sub find {	1697	sub find {
…		…
1390	$map->{last_save} = $cf::RUNTIME;	1709	$map->{last_save} = $cf::RUNTIME;
1391		1710
1392	$map->load_header	1711	$map->load_header
1393	or return;	1712	or return;
1394		1713
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	1715	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	1716	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1717	$map->reset;
1399	undef $guard;	1718	undef $guard;
1400	return find $path;	1719	return find $path;
…		…
1411	my ($self) = @_;	1730	my ($self) = @_;
1412		1731
1413	local $self->{deny_reset} = 1; # loading can take a long time	1732	local $self->{deny_reset} = 1; # loading can take a long time
1414		1733
1415	my $path = $self->{path};	1734	my $path = $self->{path};
		1735
		1736	{
1416	my $guard = cf::lock_acquire "map_load:$path";	1737	my $guard = cf::lock_acquire "map_load:$path";
1417		1738
1418	return if $self->in_memory != cf::MAP_SWAPPED;	1739	return if $self->in_memory != cf::MAP_SWAPPED;
1419		1740
1420	$self->in_memory (cf::MAP_LOADING);	1741	$self->in_memory (cf::MAP_LOADING);
1421		1742
1422	$self->alloc;	1743	$self->alloc;
1423		1744
1424	$self->pre_load;	1745	$self->pre_load;
1425
1426	$self->_load_objects ($self->{load_path}, 1)
1427	or return;
1428
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1430	if delete $self->{load_original};
1431
1432	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {
1435	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);
1437	}
1438	}
1439
1440	Coro::cede;
1441
1442	# now do the right thing for maps
1443	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;	1746	Coro::cede;
1450	$self->set_darkness_map;	1747
		1748	$self->_load_objects ($self->{load_path}, 1)
		1749	or return;
		1750
		1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1752	if delete $self->{load_original};
		1753
		1754	if (my $uniq = $self->uniq_path) {
		1755	utf8::encode $uniq;
		1756	if (aio_open $uniq, O_RDONLY, 0) {
		1757	$self->clear_unique_items;
		1758	$self->_load_objects ($uniq, 0);
		1759	}
		1760	}
		1761
		1762	Coro::cede;
		1763	# now do the right thing for maps
		1764	$self->link_multipart_objects;
1451	$self->difficulty ($self->estimate_difficulty)	1765	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	1766	unless $self->difficulty;
1453	Coro::cede;	1767	Coro::cede;
		1768
		1769	unless ($self->{deny_activate}) {
		1770	$self->decay_objects;
		1771	$self->fix_auto_apply;
		1772	$self->update_buttons;
		1773	Coro::cede;
		1774	$self->set_darkness_map;
		1775	Coro::cede;
1454	$self->activate;	1776	$self->activate;
		1777	}
		1778
		1779	$self->in_memory (cf::MAP_IN_MEMORY);
1455	}	1780	}
1456		1781
1457	$self->post_load;	1782	$self->post_load;
1458
1459	$self->in_memory (cf::MAP_IN_MEMORY);
1460	}	1783	}
1461		1784
1462	sub customise_for {	1785	sub customise_for {
1463	my ($self, $ob) = @_;	1786	my ($self, $ob) = @_;
1464		1787
1465	return find "~" . $ob->name . "/" . $self->{path}	1788	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	1789	if $self->per_player;
		1790
		1791	# return find "?party/" . $ob->name . "/" . $self->{path}
		1792	# if $self->per_party;
1467		1793
1468	$self	1794	$self
1469	}	1795	}
1470		1796
1471	# find and load all maps in the 3x3 area around a map	1797	# find and load all maps in the 3x3 area around a map
…		…
1582		1908
1583	sub reset_at {	1909	sub reset_at {
1584	my ($self) = @_;	1910	my ($self) = @_;
1585		1911
1586	# TODO: safety, remove and allow resettable per-player maps	1912	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	1913	return 1e99 if $self->{deny_reset};
1589		1914
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1915	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1916	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592		1917
…		…
1603	my ($self) = @_;	1928	my ($self) = @_;
1604		1929
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	1930	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		1931
1607	return if $self->players;	1932	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		1933
1610	warn "resetting map ", $self->path;#d#	1934	warn "resetting map ", $self->path;
1611		1935
1612	$self->in_memory (cf::MAP_SWAPPED);	1936	$self->in_memory (cf::MAP_SWAPPED);
1613		1937
1614	# need to save uniques path	1938	# need to save uniques path
1615	unless ($self->{deny_save}) {	1939	unless ($self->{deny_save}) {
…		…
1647	$cf::MAP{$self->path} = $self;	1971	$cf::MAP{$self->path} = $self;
1648		1972
1649	$self->reset; # polite request, might not happen	1973	$self->reset; # polite request, might not happen
1650	}	1974	}
1651		1975
		1976	=item $maps = cf::map::tmp_maps
		1977
		1978	Returns an arrayref with all map paths of currently instantiated and saved
		1979	maps. May block.
		1980
		1981	=cut
		1982
		1983	sub tmp_maps() {
		1984	[
		1985	map {
		1986	utf8::decode $_;
		1987	/\.map$/
		1988	? normalise $_
		1989	: ()
		1990	} @{ aio_readdir $TMPDIR or [] }
		1991	]
		1992	}
		1993
		1994	=item $maps = cf::map::random_maps
		1995
		1996	Returns an arrayref with all map paths of currently instantiated and saved
		1997	random maps. May block.
		1998
		1999	=cut
		2000
		2001	sub random_maps() {
		2002	[
		2003	map {
		2004	utf8::decode $_;
		2005	/\.map$/
		2006	? normalise "?random/$_"
		2007	: ()
		2008	} @{ aio_readdir $RANDOMDIR or [] }
		2009	]
		2010	}
		2011
1652	=item cf::map::unique_maps	2012	=item cf::map::unique_maps
1653		2013
1654	Returns an arrayref of paths of all shared maps that have	2014	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2015	instantiated unique items. May block.
1656		2016
1657	=cut	2017	=cut
1658		2018
1659	sub unique_maps() {	2019	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2020	[
1661	or return;	2021	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2022	utf8::decode $_;
1667	next if /\.pst$/;	2023	/\.map$/
1668	next unless /^$PATH_SEP/o;	2024	? normalise $_
1669		2025	: ()
1670	push @paths, cf::map::normalise $_;	2026	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2027	]
1672
1673	\@paths
1674	}	2028	}
1675		2029
1676	package cf;	2030	package cf;
1677		2031
1678	=back	2032	=back
…		…
1724		2078
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2079	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2080
1727	if ($self->{record_replies}) {	2081	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2082	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2083
1729	} else {	2084	} else {
		2085	my $pl = $self->contr;
		2086
		2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2088	my $diag = $pl->{npc_dialog};
		2089	$diag->{pl}->ext_reply (
		2090	$diag->{id},
		2091	msgtype => "reply",
		2092	msg => $diag->{pl}->expand_cfpod ($msg),
		2093	add_topics => []
		2094	);
		2095
		2096	} else {
1730	$msg = $npc->name . " says: $msg" if $npc;	2097	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2098	$self->message ($msg, $flags);
		2099	}
1732	}	2100	}
1733	}	2101	}
1734		2102
1735	=item $player_object->may ("access")	2103	=item $player_object->may ("access")
1736		2104
…		…
1784	$self->deactivate_recursive;	2152	$self->deactivate_recursive;
1785		2153
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2154	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2155
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2157	if $self->map && $self->map->{path} ne "{link}";
1790		2158
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1792	}	2160	}
1793		2161
1794	sub cf::object::player::leave_link {	2162	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2163	my ($self, $map, $x, $y) = @_;
		2164
		2165	return unless $self->contr->active;
1796		2166
1797	my $link_pos = delete $self->{_link_pos};	2167	my $link_pos = delete $self->{_link_pos};
1798		2168
1799	unless ($map) {	2169	unless ($map) {
1800	# restore original map position	2170	# restore original map position
…		…
1823		2193
1824	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2195	$self->enter_map ($map, $x, $y);
1826	}	2196	}
1827		2197
1828	cf::player->attach (
1829	on_logout => sub {
1830	my ($pl) = @_;
1831
1832	# abort map switching before logout
1833	if ($pl->ob->{_link_pos}) {
1834	cf::sync_job {
1835	$pl->ob->leave_link
1836	};
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841
1842	# try to abort aborted map switching on player login :)
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	# we need this sleep as the login has a concurrent enter_exit running
1852	# and this sleep increases chances of the player not ending up in scorn
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859
1860	=item $player_object->goto ($path, $x, $y)	2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1861		2199
		2200	Moves the player to the given map-path and coordinates by first freezing
		2201	her, loading and preparing them map, calling the provided $check callback
		2202	that has to return the map if sucecssful, and then unfreezes the player on
		2203	the new (success) or old (failed) map position.
		2204
1862	=cut	2205	=cut
		2206
		2207	our $GOTOGEN;
1863		2208
1864	sub cf::object::player::goto {	2209	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2210	my ($self, $path, $x, $y, $check) = @_;
		2211
		2212	# do generation counting so two concurrent goto's will be executed in-order
		2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2214
1867	$self->enter_link;	2215	$self->enter_link;
1868		2216
1869	(async {	2217	(async {
1870	my $map = eval {	2218	my $map = eval {
1871	my $map = cf::map::find $path;	2219	my $map = cf::map::find $path;
		2220
		2221	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2222	$map = $map->customise_for ($self);
		2223	$map = $check->($map) if $check && $map;
		2224	} else {
		2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2226	}
		2227
1873	$map	2228	$map
		2229	};
		2230
		2231	if ($@) {
		2232	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2233	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2234	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2235
		2236	if ($gen == $self->{_goto_generation}) {
		2237	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2238	$self->leave_link ($map, $x, $y);
		2239	}
1878	})->prio (1);	2240	})->prio (1);
1879	}	2241	}
1880		2242
1881	=item $player_object->enter_exit ($exit_object)	2243	=item $player_object->enter_exit ($exit_object)
1882		2244
…		…
1921		2283
1922	$rmp->{random_seed} ||= $exit->random_seed;	2284	$rmp->{random_seed} ||= $exit->random_seed;
1923		2285
1924	my $data = cf::to_json $rmp;	2286	my $data = cf::to_json $rmp;
1925	my $md5 = Digest::MD5::md5_hex $data;	2287	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2288	my $meta = "$RANDOMDIR/$md5.meta";
1927		2289
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2291	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2292	undef $fh;
1931	aio_rename "$meta~", $meta;	2293	aio_rename "$meta~", $meta;
…		…
1940		2302
1941	return unless $self->type == cf::PLAYER;	2303	return unless $self->type == cf::PLAYER;
1942		2304
1943	if ($exit->slaying eq "/!") {	2305	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job	2306	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2307	# the problem is that $exit might not survive long enough
		2308	# so it needs to be done right now, right here
1945	cf::sync_job { prepare_random_map $exit };	2309	cf::sync_job { prepare_random_map $exit };
1946	}	2310	}
1947		2311
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2312	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;	2313	my $hp = $exit->stats->hp;
…		…
1957	$self->goto ($slaying, $hp, $sp);	2321	$self->goto ($slaying, $hp, $sp);
1958		2322
1959	1;	2323	1;
1960	}) {	2324	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2325	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "I'll try to bring you back to the map you were before. "	2326	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2327	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2328	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2329
1966	warn "ERROR in enter_exit: $@";	2330	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2331	$self->leave_link;
1968	}	2332	}
1969	})->prio (1);	2333	})->prio (1);
…		…
1982		2346
1983	sub cf::client::send_drawinfo {	2347	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2348	my ($self, $text, $flags) = @_;
1985		2349
1986	utf8::encode $text;	2350	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2352	}
1989		2353
		2354	=item $client->send_msg ($color, $type, $msg, [extra...])
		2355
		2356	Send a drawinfo or msg packet to the client, formatting the msg for the
		2357	client if neccessary. C<$type> should be a string identifying the type of
		2358	the message, with C<log> being the default. If C<$color> is negative, suppress
		2359	the message unless the client supports the msg packet.
		2360
		2361	=cut
		2362
		2363	sub cf::client::send_msg {
		2364	my ($self, $color, $type, $msg, @extra) = @_;
		2365
		2366	$msg = $self->pl->expand_cfpod ($msg);
		2367
		2368	if ($self->can_msg) {
		2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
		2370	} else {
		2371	# replace some tags by gcfclient-compatible ones
		2372	for ($msg) {
		2373	1 while
		2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${1}[\/color]/;
		2379	}
		2380
		2381	if ($color >= 0) {
		2382	if ($msg =~ /\[/) {
		2383	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2384	} else {
		2385	$self->send_packet ("drawinfo $color $msg")
		2386	}
		2387	}
		2388	}
		2389	}
		2390
		2391	=item $client->ext_event ($type, %msg)
		2392
		2393	Sends an exti event to the client.
		2394
		2395	=cut
		2396
		2397	sub cf::client::ext_event($$%) {
		2398	my ($self, $type, %msg) = @_;
		2399
		2400	$msg{msgtype} = "event_$type";
		2401	$self->send_packet ("ext " . cf::to_json \%msg);
		2402	}
1990		2403
1991	=item $success = $client->query ($flags, "text", \&cb)	2404	=item $success = $client->query ($flags, "text", \&cb)
1992		2405
1993	Queues a query to the client, calling the given callback with	2406	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2407	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2091		2504
2092	# here we export the classes and methods available to script code	2505	# here we export the classes and methods available to script code
2093		2506
2094	=pod	2507	=pod
2095		2508
2096	The following fucntions and emthods are available within a safe environment:	2509	The following functions and methods are available within a safe environment:
2097		2510
2098	cf::object contr pay_amount pay_player map	2511	cf::object contr pay_amount pay_player map
2099	cf::object::player player	2512	cf::object::player player
2100	cf::player peaceful	2513	cf::player peaceful
2101	cf::map trigger	2514	cf::map trigger
…		…
2182	=back	2595	=back
2183		2596
2184	=cut	2597	=cut
2185		2598
2186	#############################################################################	2599	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	2600	# the server's init and main functions
2260		2601
2261	sub load_resources {	2602	sub load_facedata($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2603	my ($path) = @_;
		2604
		2605	warn "loading facedata from $path\n";
		2606
		2607	my $facedata;
		2608	0 < aio_load $path, $facedata
		2609	or die "$path: $!";
		2610
		2611	$facedata = Coro::Storable::thaw $facedata;
		2612
		2613	$facedata->{version} == 2
		2614	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2615
		2616	{
		2617	my $faces = $facedata->{faceinfo};
		2618
		2619	while (my ($face, $info) = each %$faces) {
		2620	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2621	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2622	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2623	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2624	Coro::cede;
		2625	}
		2626
		2627	while (my ($face, $info) = each %$faces) {
		2628	next unless $info->{smooth};
		2629	my $idx = cf::face::find $face
		2630	or next;
		2631	if (my $smooth = cf::face::find $info->{smooth}) {
		2632	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2633	} else {
		2634	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2635	}
		2636	Coro::cede;
		2637	}
		2638	}
		2639
		2640	{
		2641	my $anims = $facedata->{animinfo};
		2642
		2643	while (my ($anim, $info) = each %$anims) {
		2644	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2645	Coro::cede;
		2646	}
		2647
		2648	cf::anim::invalidate_all; # d'oh
		2649	}
		2650
		2651	1
		2652	}
		2653
		2654	sub reload_regions {
		2655	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	2656	or die "unable to load regions file\n";
		2657	}
		2658
		2659	sub reload_facedata {
		2660	load_facedata "$DATADIR/facedata"
		2661	or die "unable to load facedata\n";
		2662	}
		2663
		2664	sub reload_archetypes {
		2665	load_resource_file "$DATADIR/archetypes"
		2666	or die "unable to load archetypes\n";
		2667	}
		2668
		2669	sub reload_treasures {
		2670	load_resource_file "$DATADIR/treasures"
		2671	or die "unable to load treasurelists\n";
		2672	}
		2673
		2674	sub reload_resources {
		2675	warn "reloading resource files...\n";
		2676
		2677	reload_regions;
		2678	reload_facedata;
		2679	#reload_archetypes;#d#
		2680	reload_archetypes;
		2681	reload_treasures;
		2682
		2683	warn "finished reloading resource files\n";
		2684	}
		2685
		2686	sub init {
		2687	reload_resources;
2264	}	2688	}
2265		2689
2266	sub cfg_load {	2690	sub cfg_load {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	2691	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	2692	or return;
2269		2693
2270	local $/;	2694	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	2695	*CFG = YAML::Syck::Load <$fh>;
2272		2696
…		…
2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2704	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281	and die "WARNING: m(un)lockall failed: $!\n";	2705	and die "WARNING: m(un)lockall failed: $!\n";
2282	};	2706	};
2283	warn $@ if $@;	2707	warn $@ if $@;
2284	}	2708	}
2285	}
2286
2287	sub init {
2288	load_resources;
2289	}	2709	}
2290		2710
2291	sub main {	2711	sub main {
2292	# we must not ever block the main coroutine	2712	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	2713	local $Coro::idle = sub {
…		…
2321	},	2741	},
2322	);	2742	);
2323	}	2743	}
2324	}	2744	}
2325		2745
		2746	sub write_runtime {
		2747	my $runtime = "$LOCALDIR/runtime";
		2748
		2749	# first touch the runtime file to show we are still running:
		2750	# the fsync below can take a very very long time.
		2751
		2752	IO::AIO::aio_utime $runtime, undef, undef;
		2753
		2754	my $guard = cf::lock_acquire "write_runtime";
		2755
		2756	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2757	or return;
		2758
		2759	my $value = $cf::RUNTIME + 90 + 10;
		2760	# 10 is the runtime save interval, for a monotonic clock
		2761	# 60 allows for the watchdog to kill the server.
		2762
		2763	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2764	and return;
		2765
		2766	# always fsync - this file is important
		2767	aio_fsync $fh
		2768	and return;
		2769
		2770	# touch it again to show we are up-to-date
		2771	aio_utime $fh, undef, undef;
		2772
		2773	close $fh
		2774	or return;
		2775
		2776	aio_rename "$runtime~", $runtime
		2777	and return;
		2778
		2779	warn "runtime file written.\n";
		2780
		2781	1
		2782	}
		2783
2326	sub emergency_save() {	2784	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	2785	my $freeze_guard = cf::freeze_mainloop;
2328		2786
2329	warn "enter emergency perl save\n";	2787	warn "enter emergency perl save\n";
2330		2788
…		…
2361		2819
2362	warn Carp::longmess "post_cleanup backtrace"	2820	warn Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	2821	if $make_core;
2364	}	2822	}
2365		2823
2366	sub reload() {	2824	sub do_reload_perl() {
2367	# can/must only be called in main	2825	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	2826	if ($Coro::current != $Coro::main) {
2369	warn "can only reload from main coroutine";	2827	warn "can only reload from main coroutine";
2370	return;	2828	return;
2371	}	2829	}
…		…
2396	Coro::cede;	2854	Coro::cede;
2397	last unless IO::AIO::nreqs || BDB::nreqs;	2855	last unless IO::AIO::nreqs || BDB::nreqs;
2398	warn "iterate...";	2856	warn "iterate...";
2399	}	2857	}
2400		2858
		2859	++$RELOAD;
		2860
2401	warn "cancelling all extension coros";	2861	warn "cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;	2862	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();	2863	%EXT_CORO = ();
2404		2864
2405	warn "removing commands";	2865	warn "removing commands";
…		…
2444	Symbol::delete_package "safe::$_"	2904	Symbol::delete_package "safe::$_"
2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2905	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446		2906
2447	warn "unloading cf.pm \"a bit\"";	2907	warn "unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	2908	delete $INC{"cf.pm"};
		2909	delete $INC{"cf/pod.pm"};
2449		2910
2450	# don't, removes xs symbols, too,	2911	# don't, removes xs symbols, too,
2451	# and global variables created in xs	2912	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	2913	#Symbol::delete_package __PACKAGE__;
2453		2914
…		…
2462		2923
2463	warn "loading extensions";	2924	warn "loading extensions";
2464	cf::load_extensions;	2925	cf::load_extensions;
2465		2926
2466	warn "reattaching attachments to objects/players";	2927	warn "reattaching attachments to objects/players";
2467	_global_reattach;	2928	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	2929	warn "reattaching attachments to maps";
2469	reattach $_ for values %MAP;	2930	reattach $_ for values %MAP;
2470		2931	warn "reattaching attachments to players";
2471	warn "loading reloadable resources";	2932	reattach $_ for values %PLAYER;
2472	load_resources;
2473		2933
2474	warn "leaving sync_job";	2934	warn "leaving sync_job";
2475		2935
2476	1	2936	1
2477	} or do {	2937	} or do {
…		…
2483	warn "reloaded";	2943	warn "reloaded";
2484	};	2944	};
2485		2945
2486	our $RELOAD_WATCHER; # used only during reload	2946	our $RELOAD_WATCHER; # used only during reload
2487		2947
		2948	sub reload_perl() {
		2949	# doing reload synchronously and two reloads happen back-to-back,
		2950	# coro crashes during coro_state_free->destroy here.
		2951
		2952	$RELOAD_WATCHER ||= Event->timer (
		2953	reentrant => 0,
		2954	after => 0,
		2955	data => WF_AUTOCANCEL,
		2956	cb => sub {
		2957	do_reload_perl;
		2958	undef $RELOAD_WATCHER;
		2959	},
		2960	);
		2961	}
		2962
2488	register_command "reload" => sub {	2963	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	2964	my ($who, $arg) = @_;
2490		2965
2491	if ($who->flag (FLAG_WIZ)) {	2966	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	2967	$who->message ("reloading server.");
2493		2968	async { reload_perl };
2494	# doing reload synchronously and two reloads happen back-to-back,
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);
2506	}	2969	}
2507	};	2970	};
2508		2971
2509	unshift @INC, $LIBDIR;	2972	unshift @INC, $LIBDIR;
2510		2973
2511	my $bug_warning = 0;	2974	my $bug_warning = 0;
2512		2975
		2976	our @WAIT_FOR_TICK;
		2977	our @WAIT_FOR_TICK_BEGIN;
		2978
		2979	sub wait_for_tick {
		2980	return unless $TICK_WATCHER->is_active;
		2981	return if $Coro::current == $Coro::main;
		2982
		2983	my $signal = new Coro::Signal;
		2984	push @WAIT_FOR_TICK, $signal;
		2985	$signal->wait;
		2986	}
		2987
		2988	sub wait_for_tick_begin {
		2989	return unless $TICK_WATCHER->is_active;
		2990	return if $Coro::current == $Coro::main;
		2991
		2992	my $signal = new Coro::Signal;
		2993	push @WAIT_FOR_TICK_BEGIN, $signal;
		2994	$signal->wait;
		2995	}
		2996
		2997	my $min = 1e6;#d#
		2998	my $avg = 10;
2513	$TICK_WATCHER = Event->timer (	2999	$TICK_WATCHER = Event->timer (
2514	reentrant => 0,	3000	reentrant => 0,
2515	parked => 1,	3001	parked => 1,
2516	prio => 0,	3002	prio => 0,
2517	at => $NEXT_TICK || $TICK,	3003	at => $NEXT_TICK || $TICK,
…		…
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3007	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	3008	unless ++$bug_warning > 10;
2523	return;	3009	return;
2524	}	3010	}
2525		3011
2526	$NOW = Event::time;	3012	$NOW = $tick_start = Event::time;
2527		3013
2528	cf::server_tick; # one server iteration	3014	cf::server_tick; # one server iteration
		3015
		3016	0 && sync_job {#d#
		3017	for(1..10) {
		3018	my $t = Event::time;
		3019	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3020	or die;
		3021
		3022	$map->width (50);
		3023	$map->height (50);
		3024	$map->alloc;
		3025	$map->_load_objects ("/tmp/x.map", 1);
		3026	my $t = Event::time - $t;
		3027
		3028	#next unless $t < 0.0013;#d#
		3029	if ($t < $min) {
		3030	$min = $t;
		3031	}
		3032	$avg = $avg * 0.99 + $t * 0.01;
		3033	}
		3034	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3035	exit 0;
		3036	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3037	};
		3038
2529	$RUNTIME += $TICK;	3039	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;	3040	$NEXT_TICK += $TICK;
2531		3041
2532	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3042	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$NEXT_RUNTIME_WRITE = $NOW + 10;	3043	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2535	write_runtime	3045	write_runtime
2536	or warn "ERROR: unable to write runtime file: $!";	3046	or warn "ERROR: unable to write runtime file: $!";
2537	};	3047	};
2538	}	3048	}
2539		3049
2540
2541	$WAIT_FOR_TICK->broadcast;
2542	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2543
2544	# my $AFTER = Event::time;	3050	# my $AFTER = Event::time;
2545	# warn $AFTER - $NOW;#d#	3051	# warn $AFTER - $NOW;#d#
2546		3052
		3053	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3054	$sig->send;
		3055	}
		3056	while (my $sig = shift @WAIT_FOR_TICK) {
		3057	$sig->send;
		3058	}
		3059
		3060	$NOW = Event::time;
		3061
2547	# if we are delayed by four ticks or more, skip them all	3062	# if we are delayed by four ticks or more, skip them all
2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3063	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2549		3064
2550	$TICK_WATCHER->at ($NEXT_TICK);	3065	$TICK_WATCHER->at ($NEXT_TICK);
2551	$TICK_WATCHER->start;	3066	$TICK_WATCHER->start;
		3067
		3068	$LOAD = ($NOW - $tick_start) / $TICK;
		3069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3070
		3071	_post_tick;
		3072
		3073
2552	},	3074	},
2553	);	3075	);
2554		3076
2555	{	3077	{
2556	BDB::max_poll_time $TICK * 0.1;	3078	BDB::max_poll_time $TICK * 0.1;
…		…
2584		3106
2585	cf::sync_job {	3107	cf::sync_job {
2586	eval {	3108	eval {
2587	BDB::db_env_open	3109	BDB::db_env_open
2588	$DB_ENV,	3110	$DB_ENV,
2589	$BDB_ENV_DIR,	3111	$BDBDIR,
2590	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3112	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2591	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3113	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2592	0666;	3114	0666;
2593		3115
2594	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3116	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2595		3117
2596	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3118	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2597	$DB_ENV->set_lk_detect;	3119	$DB_ENV->set_lk_detect;
2598	};	3120	};
2599		3121
…		…
2615	prio => 6,	3137	prio => 6,
2616	cb => \&IO::AIO::poll_cb,	3138	cb => \&IO::AIO::poll_cb,
2617	);	3139	);
2618	}	3140	}
2619		3141
		3142	my $_log_backtrace;
		3143
		3144	sub _log_backtrace {
		3145	my ($msg, @addr) = @_;
		3146
		3147	$msg =~ s/\n//;
		3148
		3149	# limit the # of concurrent backtraces
		3150	if ($_log_backtrace < 2) {
		3151	++$_log_backtrace;
		3152	async {
		3153	my @bt = fork_call {
		3154	@addr = map { sprintf "%x", $_ } @addr;
		3155	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3156	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3157	or die "addr2line: $!";
		3158
		3159	my @funcs;
		3160	my @res = <$fh>;
		3161	chomp for @res;
		3162	while (@res) {
		3163	my ($func, $line) = splice @res, 0, 2, ();
		3164	push @funcs, "[$func] $line";
		3165	}
		3166
		3167	@funcs
		3168	};
		3169
		3170	LOG llevInfo, "[ABT] $msg\n";
		3171	LOG llevInfo, "[ABT] $_\n" for @bt;
		3172	--$_log_backtrace;
		3173	};
		3174	} else {
		3175	LOG llevInfo, "[ABT] $msg\n";
		3176	LOG llevInfo, "[ABT] [suppressed]\n";
		3177	}
		3178	}
		3179
		3180	# load additional modules
		3181	use cf::pod;
		3182
2620	END { cf::emergency_save }	3183	END { cf::emergency_save }
2621		3184
2622	1	3185	1
2623		3186

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