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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.217 by root, Thu Feb 15 21:07:49 2007 UTC vs.
Revision 1.286 by root, Sun Jun 24 04:27:20 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
…		…
811	or return;	998	or return;
812	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
813	}	1000	}
814		1001
815	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
817	return ($data, $av);	1004	return ($data, $av);
818	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
819		1012
820	#############################################################################	1013	#############################################################################
821	# command handling &c	1014	# command handling &c
822		1015
823	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1030	}
838		1031
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1033
841	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.
842		1035
843	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
844	called.	1037	called.
845		1038
846	=cut	1039	=cut
…		…
881		1074
882	cf::override;	1075	cf::override;
883	},	1076	},
884	);	1077	);
885		1078
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
921	for my $ext (<$LIBDIR/*.ext>) {	1083	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1084	next unless -r $path;
923	eval {	1085
924	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;
925	1	1143	}
926	} or warn "$ext not loaded: $@";	1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
927	}	1149	};
928	}	1150	}
929		1151
930	#############################################################################	1152	#############################################################################
931		1153
		1154	=back
		1155
932	=head2 CORE EXTENSIONS	1156	=head2 CORE EXTENSIONS
933		1157
934	Functions and methods that extend core crossfire objects.	1158	Functions and methods that extend core crossfire objects.
935		1159
936	=cut	1160	=cut
…		…
948	Returns the given player object, loading it if necessary (might block).	1172	Returns the given player object, loading it if necessary (might block).
949		1173
950	=cut	1174	=cut
951		1175
952	sub playerdir($) {	1176	sub playerdir($) {
953	cf::localdir	1177	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1179	}
959		1180
960	sub path($) {	1181	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1183
963	(playerdir $login) . "/$login.pl"	1184	(playerdir $login) . "/playerdata"
964	}	1185	}
965		1186
966	sub find_active($) {	1187	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1188	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1189	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1202	my $login = $_[0];
982		1203
983	my $guard = cf::lock_acquire "user_find:$login";	1204	my $guard = cf::lock_acquire "user_find:$login";
984		1205
985	$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
986	my $pl = load_pl path $login	1214	my $pl = load_pl path $login
987	or return;	1215	or return;
988	$cf::PLAYER{$login} = $pl	1216	$cf::PLAYER{$login} = $pl
989	}	1217	}
990	}	1218	}
…		…
1027		1255
1028	=cut	1256	=cut
1029		1257
1030	sub quit_character {	1258	sub quit_character {
1031	my ($pl) = @_;	1259	my ($pl) = @_;
		1260
		1261	my $name = $pl->ob->name;
1032		1262
1033	$pl->{deny_save} = 1;	1263	$pl->{deny_save} = 1;
1034	$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
1035		1265
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1271	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1272	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1273	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1274	delete $cf::PLAYER{$pl->ob->name};
1045	$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
1046	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;
1047	}	1297	}
1048		1298
1049	=item cf::player::list_logins	1299	=item cf::player::list_logins
1050		1300
1051	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
1052	while and may block, so not sync_job-capable, ever.	1302	while and may block, so not sync_job-capable, ever.
1053		1303
1054	=cut	1304	=cut
1055		1305
1056	sub list_logins {	1306	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1307	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1308	or return [];
1059		1309
1060	my @logins;	1310	my @logins;
1061		1311
1062	for my $login (@$dirs) {	1312	for my $login (@$dirs) {
…		…
1097	}	1347	}
1098		1348
1099	\@paths	1349	\@paths
1100	}	1350	}
1101		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
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1385	=item $player->ext_reply ($msgid, %msg)
1103		1386
1104	Sends an ext reply to the player.	1387	Sends an ext reply to the player.
1105		1388
1106	=cut	1389	=cut
1107		1390
1108	sub ext_reply($$$%) {	1391	sub ext_reply($$%) {
1109	my ($self, $id, %msg) = @_;	1392	my ($self, $id, %msg) = @_;
1110		1393
1111	$msg{msgid} = $id;	1394	$msg{msgid} = $id;
1112		1395
1113	$self->send ("ext " . cf::to_json \%msg);	1396	$self->send ("ext " . cf::to_json \%msg);
1114	}	1397	}
1115		1398
1116	package cf;	1399	=item $player->ext_event ($type, %msg)
		1400
		1401	Sends an ext event to the client.
		1402
		1403	=cut
		1404
		1405	sub ext_event($$%) {
		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	$match
		1438	}
1117		1439
1118	=back	1440	=back
1119
1120		1441
1121	=head3 cf::map	1442	=head3 cf::map
1122		1443
1123	=over 4	1444	=over 4
1124		1445
…		…
1179	my ($self, $merge) = @_;	1500	my ($self, $merge) = @_;
1180		1501
1181	# we have to keep some variables in memory intact	1502	# we have to keep some variables in memory intact
1182	local $self->{path};	1503	local $self->{path};
1183	local $self->{load_path};	1504	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1505
1187	$self->SUPER::thawer_merge ($merge);	1506	$self->SUPER::thawer_merge ($merge);
1188	}	1507	}
1189		1508
1190	sub normalise {	1509	sub normalise {
…		…
1262		1581
1263	# the original (read-only) location	1582	# the original (read-only) location
1264	sub load_path {	1583	sub load_path {
1265	my ($self) = @_;	1584	my ($self) = @_;
1266		1585
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1586	"$MAPDIR/$self->{path}.map"
1268	}	1587	}
1269		1588
1270	# the temporary/swap location	1589	# the temporary/swap location
1271	sub save_path {	1590	sub save_path {
1272	my ($self) = @_;	1591	my ($self) = @_;
1273		1592
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1594	"$TMPDIR/$path.map"
1276	}	1595	}
1277		1596
1278	# the unique path, undef == no special unique path	1597	# the unique path, undef == no special unique path
1279	sub uniq_path {	1598	sub uniq_path {
1280	my ($self) = @_;	1599	my ($self) = @_;
1281		1600
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1602	"$UNIQUEDIR/$path"
1284	}	1603	}
1285		1604
1286	# and all this just because we cannot iterate over	1605	# and all this just because we cannot iterate over
1287	# all maps in C++...	1606	# all maps in C++...
1288	sub change_all_map_light {	1607	sub change_all_map_light {
1289	my ($change) = @_;	1608	my ($change) = @_;
1290		1609
1291	$_->change_map_light ($change)	1610	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1611	for grep $_->outdoor, values %cf::MAP;
		1612	}
		1613
		1614	sub decay_objects {
		1615	my ($self) = @_;
		1616
		1617	return if $self->{deny_reset};
		1618
		1619	$self->do_decay_objects;
1293	}	1620	}
1294		1621
1295	sub unlink_save {	1622	sub unlink_save {
1296	my ($self) = @_;	1623	my ($self) = @_;
1297		1624
…		…
1355	$self->load_header_orig	1682	$self->load_header_orig
1356	or return;	1683	or return;
1357	$self->prepare_orig;	1684	$self->prepare_orig;
1358	}	1685	}
1359		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
1360	1	1693	1
1361	}	1694	}
1362		1695
1363	sub find;	1696	sub find;
1364	sub find {	1697	sub find {
…		…
1376	$map->{last_save} = $cf::RUNTIME;	1709	$map->{last_save} = $cf::RUNTIME;
1377		1710
1378	$map->load_header	1711	$map->load_header
1379	or return;	1712	or return;
1380		1713
1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382	# doing this can freeze the server in a sync job, obviously	1715	# doing this can freeze the server in a sync job, obviously
1383	#$cf::WAIT_FOR_TICK->wait;	1716	#$cf::WAIT_FOR_TICK->wait;
1384	$map->reset;	1717	$map->reset;
1385	undef $guard;	1718	undef $guard;
1386	return find $path;	1719	return find $path;
…		…
1397	my ($self) = @_;	1730	my ($self) = @_;
1398		1731
1399	local $self->{deny_reset} = 1; # loading can take a long time	1732	local $self->{deny_reset} = 1; # loading can take a long time
1400		1733
1401	my $path = $self->{path};	1734	my $path = $self->{path};
		1735
		1736	{
1402	my $guard = cf::lock_acquire "map_load:$path";	1737	my $guard = cf::lock_acquire "map_load:$path";
1403		1738
1404	return if $self->in_memory != cf::MAP_SWAPPED;	1739	return if $self->in_memory != cf::MAP_SWAPPED;
1405		1740
1406	$self->in_memory (cf::MAP_LOADING);	1741	$self->in_memory (cf::MAP_LOADING);
1407		1742
1408	$self->alloc;	1743	$self->alloc;
1409		1744
1410	$self->pre_load;	1745	$self->pre_load;
1411
1412	$self->_load_objects ($self->{load_path}, 1)
1413	or return;
1414
1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1416	if delete $self->{load_original};
1417
1418	if (my $uniq = $self->uniq_path) {
1419	utf8::encode $uniq;
1420	if (aio_open $uniq, O_RDONLY, 0) {
1421	$self->clear_unique_items;
1422	$self->_load_objects ($uniq, 0);
1423	}
1424	}
1425
1426	Coro::cede;
1427
1428	# now do the right thing for maps
1429	$self->link_multipart_objects;
1430
1431	unless ($self->{deny_activate}) {
1432	$self->decay_objects;
1433	$self->fix_auto_apply;
1434	$self->update_buttons;
1435	Coro::cede;	1746	Coro::cede;
1436	$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;
1437	$self->difficulty ($self->estimate_difficulty)	1765	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	1766	unless $self->difficulty;
1439	Coro::cede;	1767	Coro::cede;
		1768
		1769	unless ($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;
1440	$self->activate;	1776	$self->activate;
		1777	}
		1778
		1779	$self->in_memory (cf::MAP_IN_MEMORY);
1441	}	1780	}
1442		1781
1443	$self->post_load;	1782	$self->post_load;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	1783	}
1447		1784
1448	sub customise_for {	1785	sub customise_for {
1449	my ($self, $ob) = @_;	1786	my ($self, $ob) = @_;
1450		1787
1451	return find "~" . $ob->name . "/" . $self->{path}	1788	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	1789	if $self->per_player;
		1790
		1791	# return find "?party/" . $ob->name . "/" . $self->{path}
		1792	# if $self->per_party;
1453		1793
1454	$self	1794	$self
1455	}	1795	}
1456		1796
1457	# find and load all maps in the 3x3 area around a map	1797	# find and load all maps in the 3x3 area around a map
…		…
1568		1908
1569	sub reset_at {	1909	sub reset_at {
1570	my ($self) = @_;	1910	my ($self) = @_;
1571		1911
1572	# TODO: safety, remove and allow resettable per-player maps	1912	# TODO: safety, remove and allow resettable per-player maps
1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1574	return 1e99 if $self->{deny_reset};	1913	return 1e99 if $self->{deny_reset};
1575		1914
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1915	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1916	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1578		1917
…		…
1589	my ($self) = @_;	1928	my ($self) = @_;
1590		1929
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	1930	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		1931
1593	return if $self->players;	1932	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		1933
1596	warn "resetting map ", $self->path;#d#	1934	warn "resetting map ", $self->path;
1597		1935
1598	$self->in_memory (cf::MAP_SWAPPED);	1936	$self->in_memory (cf::MAP_SWAPPED);
1599		1937
1600	# need to save uniques path	1938	# need to save uniques path
1601	unless ($self->{deny_save}) {	1939	unless ($self->{deny_save}) {
…		…
1633	$cf::MAP{$self->path} = $self;	1971	$cf::MAP{$self->path} = $self;
1634		1972
1635	$self->reset; # polite request, might not happen	1973	$self->reset; # polite request, might not happen
1636	}	1974	}
1637		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
1638	=item cf::map::unique_maps	2012	=item cf::map::unique_maps
1639		2013
1640	Returns an arrayref of paths of all shared maps that have	2014	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2015	instantiated unique items. May block.
1642		2016
1643	=cut	2017	=cut
1644		2018
1645	sub unique_maps() {	2019	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2020	[
1647	or return;	2021	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2022	utf8::decode $_;
1653	next if /\.pst$/;	2023	/\.map$/
1654	next unless /^$PATH_SEP/o;	2024	? normalise $_
1655		2025	: ()
1656	push @paths, cf::map::normalise $_;	2026	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2027	]
1658
1659	\@paths
1660	}	2028	}
1661		2029
1662	package cf;	2030	package cf;
1663		2031
1664	=back	2032	=back
…		…
1710		2078
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2079	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2080
1713	if ($self->{record_replies}) {	2081	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2082	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2083
1715	} 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 {
1716	$msg = $npc->name . " says: $msg" if $npc;	2097	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2098	$self->message ($msg, $flags);
		2099	}
1718	}	2100	}
1719	}	2101	}
1720		2102
1721	=item $player_object->may ("access")	2103	=item $player_object->may ("access")
1722		2104
…		…
1770	$self->deactivate_recursive;	2152	$self->deactivate_recursive;
1771		2153
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2154	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2155
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2157	if $self->map && $self->map->{path} ne "{link}";
1776		2158
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1778	}	2160	}
1779		2161
1780	sub cf::object::player::leave_link {	2162	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2163	my ($self, $map, $x, $y) = @_;
		2164
		2165	return unless $self->contr->active;
1782		2166
1783	my $link_pos = delete $self->{_link_pos};	2167	my $link_pos = delete $self->{_link_pos};
1784		2168
1785	unless ($map) {	2169	unless ($map) {
1786	# restore original map position	2170	# restore original map position
…		…
1809		2193
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2195	$self->enter_map ($map, $x, $y);
1812	}	2196	}
1813		2197
1814	cf::player->attach (
1815	on_logout => sub {
1816	my ($pl) = @_;
1817
1818	# abort map switching before logout
1819	if ($pl->ob->{_link_pos}) {
1820	cf::sync_job {
1821	$pl->ob->leave_link
1822	};
1823	}
1824	},
1825	on_login => sub {
1826	my ($pl) = @_;
1827
1828	# try to abort aborted map switching on player login :)
1829	# should happen only on crashes
1830	if ($pl->ob->{_link_pos}) {
1831	$pl->ob->enter_link;
1832	(async {
1833	$pl->ob->reply (undef,
1834	"There was an internal problem at your last logout, "
1835	. "the server will try to bring you to your intended destination in a second.",
1836	cf::NDI_RED);
1837	# we need this sleep as the login has a concurrent enter_exit running
1838	# and this sleep increases chances of the player not ending up in scorn
1839	Coro::Timer::sleep 1;
1840	$pl->ob->leave_link;
1841	})->prio (2);
1842	}
1843	},
1844	);
1845
1846	=item $player_object->goto ($path, $x, $y)	2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1847		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
1848	=cut	2205	=cut
		2206
		2207	our $GOTOGEN;
1849		2208
1850	sub cf::object::player::goto {	2209	sub cf::object::player::goto {
1851	my ($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;
1852		2214
1853	$self->enter_link;	2215	$self->enter_link;
1854		2216
1855	(async {	2217	(async {
1856	my $map = eval {	2218	my $map = eval {
1857	my $map = cf::map::find $path;	2219	my $map = cf::map::find $path;
		2220
		2221	if ($map) {
1858	$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
1859	$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 $@;
1860	} or	2234	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2235
		2236	if ($gen == $self->{_goto_generation}) {
		2237	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2238	$self->leave_link ($map, $x, $y);
		2239	}
1864	})->prio (1);	2240	})->prio (1);
1865	}	2241	}
1866		2242
1867	=item $player_object->enter_exit ($exit_object)	2243	=item $player_object->enter_exit ($exit_object)
1868		2244
…		…
1907		2283
1908	$rmp->{random_seed} ||= $exit->random_seed;	2284	$rmp->{random_seed} ||= $exit->random_seed;
1909		2285
1910	my $data = cf::to_json $rmp;	2286	my $data = cf::to_json $rmp;
1911	my $md5 = Digest::MD5::md5_hex $data;	2287	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2288	my $meta = "$RANDOMDIR/$md5.meta";
1913		2289
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2291	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2292	undef $fh;
1917	aio_rename "$meta~", $meta;	2293	aio_rename "$meta~", $meta;
…		…
1926		2302
1927	return unless $self->type == cf::PLAYER;	2303	return unless $self->type == cf::PLAYER;
1928		2304
1929	if ($exit->slaying eq "/!") {	2305	if ($exit->slaying eq "/!") {
1930	#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
1931	cf::sync_job { prepare_random_map $exit };	2309	cf::sync_job { prepare_random_map $exit };
1932	}	2310	}
1933		2311
1934	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;
1935	my $hp = $exit->stats->hp;	2313	my $hp = $exit->stats->hp;
…		…
1943	$self->goto ($slaying, $hp, $sp);	2321	$self->goto ($slaying, $hp, $sp);
1944		2322
1945	1;	2323	1;
1946	}) {	2324	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	2325	$self->message ("Something went wrong deep within the crossfire server. "
1948	. "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. "
1949	. "Please report this to the dungeon master!",	2327	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	2328	cf::NDI_UNIQUE | cf::NDI_RED);
1951		2329
1952	warn "ERROR in enter_exit: $@";	2330	warn "ERROR in enter_exit: $@";
1953	$self->leave_link;	2331	$self->leave_link;
1954	}	2332	}
1955	})->prio (1);	2333	})->prio (1);
…		…
1968		2346
1969	sub cf::client::send_drawinfo {	2347	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	2348	my ($self, $text, $flags) = @_;
1971		2349
1972	utf8::encode $text;	2350	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	2352	}
1975		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=$1]${2}[\/color]/;
		2379	}
		2380
		2381	if ($color >= 0) {
		2382	if (0 && $msg =~ /\[/) {
		2383	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2384	} else {
		2385	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2386	$self->send_packet ("drawinfo $color $msg")
		2387	}
		2388	}
		2389	}
		2390	}
		2391
		2392	=item $client->ext_event ($type, %msg)
		2393
		2394	Sends an exti event to the client.
		2395
		2396	=cut
		2397
		2398	sub cf::client::ext_event($$%) {
		2399	my ($self, $type, %msg) = @_;
		2400
		2401	$msg{msgtype} = "event_$type";
		2402	$self->send_packet ("ext " . cf::to_json \%msg);
		2403	}
1976		2404
1977	=item $success = $client->query ($flags, "text", \&cb)	2405	=item $success = $client->query ($flags, "text", \&cb)
1978		2406
1979	Queues a query to the client, calling the given callback with	2407	Queues a query to the client, calling the given callback with
1980	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2408	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2077		2505
2078	# here we export the classes and methods available to script code	2506	# here we export the classes and methods available to script code
2079		2507
2080	=pod	2508	=pod
2081		2509
2082	The following fucntions and emthods are available within a safe environment:	2510	The following functions and methods are available within a safe environment:
2083		2511
2084	cf::object contr pay_amount pay_player map	2512	cf::object contr pay_amount pay_player map
2085	cf::object::player player	2513	cf::object::player player
2086	cf::player peaceful	2514	cf::player peaceful
2087	cf::map trigger	2515	cf::map trigger
…		…
2168	=back	2596	=back
2169		2597
2170	=cut	2598	=cut
2171		2599
2172	#############################################################################	2600	#############################################################################
2173
2174	=head2 EXTENSION DATABASE SUPPORT
2175
2176	Crossfire maintains a very simple database for extension use. It can
2177	currently store anything that can be serialised using Storable, which
2178	excludes objects.
2179
2180	The parameter C<$family> should best start with the name of the extension
2181	using it, it should be unique.
2182
2183	=over 4
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database.
2188
2189	=item cf::db_put $family => $key => $value
2190
2191	Stores the given C<$value> in the family.
2192
2193	=cut
2194
2195	our $DB;
2196
2197	sub db_init {
2198	unless ($DB) {
2199	$DB = BDB::db_create $DB_ENV;
2200
2201	cf::sync_job {
2202	eval {
2203	$DB->set_flags (BDB::CHKSUM);
2204
2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2207	cf::cleanup "db_open(db): $!" if $!;
2208	};
2209	cf::cleanup "db_open(db): $@" if $@;
2210	};
2211
2212	my $path = cf::localdir . "/database.pst";
2213	if (stat $path) {
2214	cf::sync_job {
2215	my $pst = Storable::retrieve $path;
2216
2217	cf::db_put (board => data => $pst->{board});
2218	cf::db_put (guildrules => data => $pst->{guildrules});
2219	cf::db_put (rent => balance => $pst->{rent}{balance});
2220	BDB::db_env_txn_checkpoint $DB_ENV;
2221
2222	unlink $path;
2223	};
2224	}
2225	}
2226	}
2227
2228	sub db_get($$) {
2229	my $key = "$_[0]/$_[1]";
2230
2231	cf::sync_job {
2232	BDB::db_get $DB, undef, $key, my $data;
2233
2234	$! ? ()
2235	: Compress::LZF::sthaw $data
2236	}
2237	}
2238
2239	sub db_put($$$) {
2240	BDB::dbreq_pri 4;
2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2242	}
2243
2244	#############################################################################
2245	# the server's init and main functions	2601	# the server's init and main functions
2246		2602
2247	sub init_resources {	2603	sub load_facedata($) {
2248	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2604	my ($path) = @_;
		2605
		2606	warn "loading facedata from $path\n";
		2607
		2608	my $facedata;
		2609	0 < aio_load $path, $facedata
		2610	or die "$path: $!";
		2611
		2612	$facedata = Coro::Storable::thaw $facedata;
		2613
		2614	$facedata->{version} == 2
		2615	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2616
		2617	{
		2618	my $faces = $facedata->{faceinfo};
		2619
		2620	while (my ($face, $info) = each %$faces) {
		2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2625	Coro::cede;
		2626	}
		2627
		2628	while (my ($face, $info) = each %$faces) {
		2629	next unless $info->{smooth};
		2630	my $idx = cf::face::find $face
		2631	or next;
		2632	if (my $smooth = cf::face::find $info->{smooth}) {
		2633	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2634	} else {
		2635	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2636	}
		2637	Coro::cede;
		2638	}
		2639	}
		2640
		2641	{
		2642	my $anims = $facedata->{animinfo};
		2643
		2644	while (my ($anim, $info) = each %$anims) {
		2645	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2646	Coro::cede;
		2647	}
		2648
		2649	cf::anim::invalidate_all; # d'oh
		2650	}
		2651
		2652	1
		2653	}
		2654
		2655	sub reload_regions {
		2656	load_resource_file "$MAPDIR/regions"
2249	or die "unable to load regions file\n";#d#	2657	or die "unable to load regions file\n";
		2658	}
		2659
		2660	sub reload_facedata {
		2661	load_facedata "$DATADIR/facedata"
		2662	or die "unable to load facedata\n";
		2663	}
		2664
		2665	sub reload_archetypes {
		2666	load_resource_file "$DATADIR/archetypes"
		2667	or die "unable to load archetypes\n";
		2668	}
		2669
		2670	sub reload_treasures {
		2671	load_resource_file "$DATADIR/treasures"
		2672	or die "unable to load treasurelists\n";
		2673	}
		2674
		2675	sub reload_resources {
		2676	warn "reloading resource files...\n";
		2677
		2678	reload_regions;
		2679	reload_facedata;
		2680	#reload_archetypes;#d#
		2681	reload_archetypes;
		2682	reload_treasures;
		2683
		2684	warn "finished reloading resource files\n";
		2685	}
		2686
		2687	sub init {
		2688	reload_resources;
2250	}	2689	}
2251		2690
2252	sub cfg_load {	2691	sub cfg_load {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	2692	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	2693	or return;
2255		2694
2256	local $/;	2695	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	2696	*CFG = YAML::Syck::Load <$fh>;
2258		2697
…		…
2266	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2705	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2267	and die "WARNING: m(un)lockall failed: $!\n";	2706	and die "WARNING: m(un)lockall failed: $!\n";
2268	};	2707	};
2269	warn $@ if $@;	2708	warn $@ if $@;
2270	}	2709	}
2271	}
2272
2273	sub init {
2274	init_resources;
2275	}	2710	}
2276		2711
2277	sub main {	2712	sub main {
2278	# we must not ever block the main coroutine	2713	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	2714	local $Coro::idle = sub {
…		…
2307	},	2742	},
2308	);	2743	);
2309	}	2744	}
2310	}	2745	}
2311		2746
		2747	sub write_runtime {
		2748	my $runtime = "$LOCALDIR/runtime";
		2749
		2750	# first touch the runtime file to show we are still running:
		2751	# the fsync below can take a very very long time.
		2752
		2753	IO::AIO::aio_utime $runtime, undef, undef;
		2754
		2755	my $guard = cf::lock_acquire "write_runtime";
		2756
		2757	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2758	or return;
		2759
		2760	my $value = $cf::RUNTIME + 90 + 10;
		2761	# 10 is the runtime save interval, for a monotonic clock
		2762	# 60 allows for the watchdog to kill the server.
		2763
		2764	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2765	and return;
		2766
		2767	# always fsync - this file is important
		2768	aio_fsync $fh
		2769	and return;
		2770
		2771	# touch it again to show we are up-to-date
		2772	aio_utime $fh, undef, undef;
		2773
		2774	close $fh
		2775	or return;
		2776
		2777	aio_rename "$runtime~", $runtime
		2778	and return;
		2779
		2780	warn "runtime file written.\n";
		2781
		2782	1
		2783	}
		2784
2312	sub emergency_save() {	2785	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	2786	my $freeze_guard = cf::freeze_mainloop;
2314		2787
2315	warn "enter emergency perl save\n";	2788	warn "enter emergency perl save\n";
2316		2789
…		…
2347		2820
2348	warn Carp::longmess "post_cleanup backtrace"	2821	warn Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	2822	if $make_core;
2350	}	2823	}
2351		2824
2352	sub reload() {	2825	sub do_reload_perl() {
2353	# can/must only be called in main	2826	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	2827	if ($Coro::current != $Coro::main) {
2355	warn "can only reload from main coroutine";	2828	warn "can only reload from main coroutine";
2356	return;	2829	return;
2357	}	2830	}
…		…
2382	Coro::cede;	2855	Coro::cede;
2383	last unless IO::AIO::nreqs || BDB::nreqs;	2856	last unless IO::AIO::nreqs || BDB::nreqs;
2384	warn "iterate...";	2857	warn "iterate...";
2385	}	2858	}
2386		2859
		2860	++$RELOAD;
		2861
2387	warn "cancelling all extension coros";	2862	warn "cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;	2863	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();	2864	%EXT_CORO = ();
2390		2865
2391	warn "removing commands";	2866	warn "removing commands";
…		…
2430	Symbol::delete_package "safe::$_"	2905	Symbol::delete_package "safe::$_"
2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2432		2907
2433	warn "unloading cf.pm \"a bit\"";	2908	warn "unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	2909	delete $INC{"cf.pm"};
		2910	delete $INC{"cf/pod.pm"};
2435		2911
2436	# don't, removes xs symbols, too,	2912	# don't, removes xs symbols, too,
2437	# and global variables created in xs	2913	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	2914	#Symbol::delete_package __PACKAGE__;
2439		2915
…		…
2448		2924
2449	warn "loading extensions";	2925	warn "loading extensions";
2450	cf::load_extensions;	2926	cf::load_extensions;
2451		2927
2452	warn "reattaching attachments to objects/players";	2928	warn "reattaching attachments to objects/players";
2453	_global_reattach;	2929	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	2930	warn "reattaching attachments to maps";
2455	reattach $_ for values %MAP;	2931	reattach $_ for values %MAP;
2456		2932	warn "reattaching attachments to players";
2457	warn "loading reloadable resources";	2933	reattach $_ for values %PLAYER;
2458	init_resources;
2459		2934
2460	warn "leaving sync_job";	2935	warn "leaving sync_job";
2461		2936
2462	1	2937	1
2463	} or do {	2938	} or do {
…		…
2469	warn "reloaded";	2944	warn "reloaded";
2470	};	2945	};
2471		2946
2472	our $RELOAD_WATCHER; # used only during reload	2947	our $RELOAD_WATCHER; # used only during reload
2473		2948
		2949	sub reload_perl() {
		2950	# doing reload synchronously and two reloads happen back-to-back,
		2951	# coro crashes during coro_state_free->destroy here.
		2952
		2953	$RELOAD_WATCHER ||= Event->timer (
		2954	reentrant => 0,
		2955	after => 0,
		2956	data => WF_AUTOCANCEL,
		2957	cb => sub {
		2958	do_reload_perl;
		2959	undef $RELOAD_WATCHER;
		2960	},
		2961	);
		2962	}
		2963
2474	register_command "reload" => sub {	2964	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	2965	my ($who, $arg) = @_;
2476		2966
2477	if ($who->flag (FLAG_WIZ)) {	2967	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	2968	$who->message ("reloading server.");
2479		2969	async { reload_perl };
2480	# doing reload synchronously and two reloads happen back-to-back,
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);
2492	}	2970	}
2493	};	2971	};
2494		2972
2495	unshift @INC, $LIBDIR;	2973	unshift @INC, $LIBDIR;
2496		2974
2497	my $bug_warning = 0;	2975	my $bug_warning = 0;
2498		2976
		2977	our @WAIT_FOR_TICK;
		2978	our @WAIT_FOR_TICK_BEGIN;
		2979
		2980	sub wait_for_tick {
		2981	return unless $TICK_WATCHER->is_active;
		2982	return if $Coro::current == $Coro::main;
		2983
		2984	my $signal = new Coro::Signal;
		2985	push @WAIT_FOR_TICK, $signal;
		2986	$signal->wait;
		2987	}
		2988
		2989	sub wait_for_tick_begin {
		2990	return unless $TICK_WATCHER->is_active;
		2991	return if $Coro::current == $Coro::main;
		2992
		2993	my $signal = new Coro::Signal;
		2994	push @WAIT_FOR_TICK_BEGIN, $signal;
		2995	$signal->wait;
		2996	}
		2997
		2998	my $min = 1e6;#d#
		2999	my $avg = 10;
2499	$TICK_WATCHER = Event->timer (	3000	$TICK_WATCHER = Event->timer (
2500	reentrant => 0,	3001	reentrant => 0,
2501	parked => 1,	3002	parked => 1,
2502	prio => 0,	3003	prio => 0,
2503	at => $NEXT_TICK || $TICK,	3004	at => $NEXT_TICK || $TICK,
…		…
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3008	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	3009	unless ++$bug_warning > 10;
2509	return;	3010	return;
2510	}	3011	}
2511		3012
2512	$NOW = Event::time;	3013	$NOW = $tick_start = Event::time;
2513		3014
2514	cf::server_tick; # one server iteration	3015	cf::server_tick; # one server iteration
		3016
		3017	0 && sync_job {#d#
		3018	for(1..10) {
		3019	my $t = Event::time;
		3020	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3021	or die;
		3022
		3023	$map->width (50);
		3024	$map->height (50);
		3025	$map->alloc;
		3026	$map->_load_objects ("/tmp/x.map", 1);
		3027	my $t = Event::time - $t;
		3028
		3029	#next unless $t < 0.0013;#d#
		3030	if ($t < $min) {
		3031	$min = $t;
		3032	}
		3033	$avg = $avg * 0.99 + $t * 0.01;
		3034	}
		3035	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3036	exit 0;
		3037	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3038	};
		3039
2515	$RUNTIME += $TICK;	3040	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;	3041	$NEXT_TICK += $TICK;
2517		3042
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	3044	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2521	write_runtime	3046	write_runtime
2522	or warn "ERROR: unable to write runtime file: $!";	3047	or warn "ERROR: unable to write runtime file: $!";
2523	};	3048	};
2524	}	3049	}
2525		3050
2526
2527	$WAIT_FOR_TICK->broadcast;
2528	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2529
2530	# my $AFTER = Event::time;	3051	# my $AFTER = Event::time;
2531	# warn $AFTER - $NOW;#d#	3052	# warn $AFTER - $NOW;#d#
2532		3053
		3054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3055	$sig->send;
		3056	}
		3057	while (my $sig = shift @WAIT_FOR_TICK) {
		3058	$sig->send;
		3059	}
		3060
		3061	$NOW = Event::time;
		3062
2533	# if we are delayed by four ticks or more, skip them all	3063	# if we are delayed by four ticks or more, skip them all
2534	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2535		3065
2536	$TICK_WATCHER->at ($NEXT_TICK);	3066	$TICK_WATCHER->at ($NEXT_TICK);
2537	$TICK_WATCHER->start;	3067	$TICK_WATCHER->start;
		3068
		3069	$LOAD = ($NOW - $tick_start) / $TICK;
		3070	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3071
		3072	_post_tick;
		3073
		3074
2538	},	3075	},
2539	);	3076	);
2540		3077
2541	{	3078	{
2542	BDB::max_poll_time $TICK * 0.1;	3079	BDB::max_poll_time $TICK * 0.1;
…		…
2570		3107
2571	cf::sync_job {	3108	cf::sync_job {
2572	eval {	3109	eval {
2573	BDB::db_env_open	3110	BDB::db_env_open
2574	$DB_ENV,	3111	$DB_ENV,
2575	$BDB_ENV_DIR,	3112	$BDBDIR,
2576	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2577	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2578	0666;	3115	0666;
2579		3116
2580	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2581		3118
2582	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2583	$DB_ENV->set_lk_detect;	3120	$DB_ENV->set_lk_detect;
2584	};	3121	};
2585		3122
…		…
2601	prio => 6,	3138	prio => 6,
2602	cb => \&IO::AIO::poll_cb,	3139	cb => \&IO::AIO::poll_cb,
2603	);	3140	);
2604	}	3141	}
2605		3142
		3143	my $_log_backtrace;
		3144
		3145	sub _log_backtrace {
		3146	my ($msg, @addr) = @_;
		3147
		3148	$msg =~ s/\n//;
		3149
		3150	# limit the # of concurrent backtraces
		3151	if ($_log_backtrace < 2) {
		3152	++$_log_backtrace;
		3153	async {
		3154	my @bt = fork_call {
		3155	@addr = map { sprintf "%x", $_ } @addr;
		3156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3158	or die "addr2line: $!";
		3159
		3160	my @funcs;
		3161	my @res = <$fh>;
		3162	chomp for @res;
		3163	while (@res) {
		3164	my ($func, $line) = splice @res, 0, 2, ();
		3165	push @funcs, "[$func] $line";
		3166	}
		3167
		3168	@funcs
		3169	};
		3170
		3171	LOG llevInfo, "[ABT] $msg\n";
		3172	LOG llevInfo, "[ABT] $_\n" for @bt;
		3173	--$_log_backtrace;
		3174	};
		3175	} else {
		3176	LOG llevInfo, "[ABT] $msg\n";
		3177	LOG llevInfo, "[ABT] [suppressed]\n";
		3178	}
		3179	}
		3180
		3181	# load additional modules
		3182	use cf::pod;
		3183
2606	END { cf::emergency_save }	3184	END { cf::emergency_save }
2607		3185
2608	1	3186	1
2609		3187

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