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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.226 by root, Wed Mar 14 04:12:29 2007 UTC vs.
Revision 1.282 by elmex, Tue Jun 19 18:15:34 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;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.61 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
21		24
22	use BDB ();	25	use BDB ();
23	use Data::Dumper;	26	use Data::Dumper;
24	use Digest::MD5;	27	use Digest::MD5;
25	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
26	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
27	use YAML::Syck ();
28	use Time::HiRes;	31	use Time::HiRes;
29	use Compress::LZF;	32	use Compress::LZF;
30		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
32	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
		39
33	$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
34
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36		41
37	# 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?
38	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
39		44
40	$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
41		48
42	our %COMMAND = ();	49	our %COMMAND = ();
43	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
44		51
45	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
…		…
47	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
49		56
50	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
51	our @EVENT;	58	our @EVENT;
52	our $LIBDIR = datadir . "/ext";
53		59
54	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(!)
55	our $TICK_WATCHER;	73	our $TICK_WATCHER;
56	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	76	our $NEXT_TICK;
59	our $NOW;	77	our $NOW;
…		…
68	our $RUNTIME;	86	our $RUNTIME;
69		87
70	our %PLAYER; # all users	88	our %PLAYER; # all users
71	our %MAP; # all maps	89	our %MAP; # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		91
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $tick_start; # for load detecting purposes
		98
82	binmode STDOUT;	99	binmode STDOUT;
83	binmode STDERR;	100	binmode STDERR;
84		101
85	# read virtual server time, if available	102	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
87	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
88	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
89	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
90	}	107	}
91		108
92	mkdir cf::localdir;	109	mkdir $_
93	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir cf::localdir . "/" . cf::tmpdir;
95	mkdir cf::localdir . "/" . cf::uniquedir;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		111
99	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
100		113
101	sub cf::map::normalise;	114	sub cf::map::normalise;
102		115
…		…
113	=item $cf::RUNTIME	126	=item $cf::RUNTIME
114		127
115	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
116	every server tick.	129	every server tick.
117		130
118	=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
119		134
120	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		139
123	=item $cf::NOW	140	=item $cf::NOW
124		141
125	The time of the last (current) server tick.	142	The time of the last (current) server tick.
126		143
127	=item $cf::TICK	144	=item $cf::TICK
128		145
129	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.
130		157
131	=item %cf::CFG	158	=item %cf::CFG
132		159
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
134	from wherever your confdir points to.	161	from wherever your confdir points to.
135		162
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		164
138	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
139	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
140	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.
141	window of cpu time available, or simply to synchronise to the server tick.
142		168
143	=back	169	=back
144		170
145	=cut	171	=cut
146		172
147	BEGIN {	173	BEGIN {
148	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	175	my $msg = join "", @_;
150	utf8::encode $msg;
151		176
152	$msg .= "\n"	177	$msg .= "\n"
153	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
154		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
155	LOG llevError, $msg;	183	LOG llevError, $msg;
156	};	184	};
157	}	185	}
158		186
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@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';
164	@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)
165		194
166	# 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
167	# within the Safe compartment.	196	# within the Safe compartment.
168	for my $pkg (qw(	197	for my $pkg (qw(
169	cf::global cf::attachable	198	cf::global cf::attachable
…		…
177	}	206	}
178		207
179	$Event::DIED = sub {	208	$Event::DIED = sub {
180	warn "error in event callback: @_";	209	warn "error in event callback: @_";
181	};	210	};
		211
		212	#############################################################################
182		213
183	=head2 UTILITY FUNCTIONS	214	=head2 UTILITY FUNCTIONS
184		215
185	=over 4	216	=over 4
186		217
…		…
205	$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;
206	$d	237	$d
207	} || "[unable to dump $_[0]: '$@']";	238	} || "[unable to dump $_[0]: '$@']";
208	}	239	}
209		240
210	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
211		242
212	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
213		244
214	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
215		246
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
224		248
225	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
226
227	=cut
228
229	sub to_json($) {
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
231	JSON::Syck::Dump $_[0]
232	}
233		250
234	=item cf::lock_wait $string	251	=item cf::lock_wait $string
235		252
236	Wait until the given lock is available. See cf::lock_acquire.	253	Wait until the given lock is available. See cf::lock_acquire.
237		254
…		…
243	returned.	260	returned.
244		261
245	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
246	uses map_find and cf::map::load uses map_load).	263	uses map_find and cf::map::load uses map_load).
247		264
		265	=item $locked = cf::lock_active $string
		266
		267	Return true if the lock is currently active, i.e. somebody has locked it.
		268
248	=cut	269	=cut
249		270
250	our %LOCK;	271	our %LOCK;
251		272
252	sub lock_wait($) {	273	sub lock_wait($) {
…		…
269		290
270	Coro::guard {	291	Coro::guard {
271	# wake up all waiters, to be on the safe side	292	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };	293	$_->ready for @{ delete $LOCK{$key} };
273	}	294	}
		295	}
		296
		297	sub lock_active($) {
		298	my ($key) = @_;
		299
		300	! ! $LOCK{$key}
274	}	301	}
275		302
276	sub freeze_mainloop {	303	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	304	return unless $TICK_WATCHER->is_active;
278		305
…		…
293		320
294	BEGIN { *async = \&Coro::async_pool }	321	BEGIN { *async = \&Coro::async_pool }
295		322
296	=item cf::sync_job { BLOCK }	323	=item cf::sync_job { BLOCK }
297		324
298	The design of crossfire+ requires that the main coro ($Coro::main) is	325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	326	is always able to handle events or runnable, as Crossfire TRT is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		328	acceptable.
301		329
302	If it must be done, put the blocking parts into C<sync_job>. This will run	330	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	331	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	332	server will be frozen during this time, so the block should either finish
305	fast or be very important.	333	fast or be very important.
…		…
308		336
309	sub sync_job(&) {	337	sub sync_job(&) {
310	my ($job) = @_;	338	my ($job) = @_;
311		339
312	if ($Coro::current == $Coro::main) {	340	if ($Coro::current == $Coro::main) {
		341	my $time = Event::time;
		342
313	# this is the main coro, too bad, we have to block	343	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	344	# till the operation succeeds, freezing the server :/
315		345
316	# TODO: use suspend/resume instead	346	# TODO: use suspend/resume instead
317	# (but this is cancel-safe)	347	# (but this is cancel-safe)
…		…
328		358
329	while ($busy) {	359	while ($busy) {
330	Coro::cede or Event::one_event;	360	Coro::cede or Event::one_event;
331	}	361	}
332		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
333	wantarray ? @res : $res[0]	370	wantarray ? @res : $res[0]
334	} else {	371	} else {
335	# we are in another coroutine, how wonderful, everything just works	372	# we are in another coroutine, how wonderful, everything just works
336		373
337	$job->()	374	$job->()
…		…
356	$EXT_CORO{$coro+0} = $coro;	393	$EXT_CORO{$coro+0} = $coro;
357		394
358	$coro	395	$coro
359	}	396	}
360		397
361	sub write_runtime {	398	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		399
364	my $runtime = cf::localdir . "/runtime";	400	Executes the given code block with the given arguments in a seperate
		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.
365		404
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	=cut
367	or return;
368		406
369	my $value = $cf::RUNTIME + 90 + 10;	407	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	408	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		409
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
374	and return;	411	# or die "socketpair: $!";
		412	pipe my $fh1, my $fh2
		413	or die "pipe: $!";
375		414
376	# always fsync - this file is important	415	if (my $pid = fork) {
377	aio_fsync $fh
378	and return;
379
380	close $fh	416	close $fh2;
381	or return;
382		417
383	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
384	and return;	419	$res = Coro::Storable::thaw $res;
385		420
		421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
386	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		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 });
387	}	567	}
388		568
389	=back	569	=back
390		570
391	=cut	571	=cut
…		…
398	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")
399	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
400		580
401	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>
402	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
403	crossfire+).	583	Crossfire TRT).
404		584
405	=over 4	585	=over 4
406		586
407	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
408		588
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	751	$registry = $CB_TYPE[$object_type] ||= [];
572		752
573	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		757
578	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	759	my $pkg = shift @arg;
580		760
581	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
611	}	791	}
612		792
613	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
614	} else {	794	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	796	}
617		797
618	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
619	}	799	}
620		800
…		…
622	if (ref $_[0]) {	802	if (ref $_[0]) {
623	_object_attach @_;	803	_object_attach @_;
624	} else {	804	} else {
625	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
626	}	806	}
		807	_recalc_want;
627	};	808	};
628		809
629	# all those should be optimised	810	# all those should be optimised
630	sub cf::attachable::detach {	811	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
635	reattach ($obj);	816	reattach ($obj);
636	} else {	817	} else {
637	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
638	}	819	}
		820	_recalc_want;
639	};	821	};
640		822
641	sub cf::attachable::attached {	823	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
643		825
…		…
816	or return;	998	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1000	}
819		1001
820	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	1004	return ($data, $av);
823	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
824		1012
825	#############################################################################	1013	#############################################################################
826	# command handling &c	1014	# command handling &c
827		1015
828	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1030	}
843		1031
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1033
846	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.
847		1035
848	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
849	called.	1037	called.
850		1038
851	=cut	1039	=cut
…		…
886		1074
887	cf::override;	1075	cf::override;
888	},	1076	},
889	);	1077	);
890		1078
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
926	for my $ext (<$LIBDIR/*.ext>) {	1083	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1084	next unless -r $path;
928	eval {	1085
929	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;
930	1	1143	}
931	} or warn "$ext not loaded: $@";	1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
932	}	1149	};
933	}	1150	}
934		1151
935	#############################################################################	1152	#############################################################################
936		1153
		1154	=back
		1155
937	=head2 CORE EXTENSIONS	1156	=head2 CORE EXTENSIONS
938		1157
939	Functions and methods that extend core crossfire objects.	1158	Functions and methods that extend core crossfire objects.
940		1159
941	=cut	1160	=cut
…		…
953	Returns the given player object, loading it if necessary (might block).	1172	Returns the given player object, loading it if necessary (might block).
954		1173
955	=cut	1174	=cut
956		1175
957	sub playerdir($) {	1176	sub playerdir($) {
958	cf::localdir	1177	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1179	}
964		1180
965	sub path($) {	1181	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1183
968	(playerdir $login) . "/$login.pl"	1184	(playerdir $login) . "/playerdata"
969	}	1185	}
970		1186
971	sub find_active($) {	1187	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1188	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1189	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1202	my $login = $_[0];
987		1203
988	my $guard = cf::lock_acquire "user_find:$login";	1204	my $guard = cf::lock_acquire "user_find:$login";
989		1205
990	$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
991	my $pl = load_pl path $login	1214	my $pl = load_pl path $login
992	or return;	1215	or return;
993	$cf::PLAYER{$login} = $pl	1216	$cf::PLAYER{$login} = $pl
994	}	1217	}
995	}	1218	}
…		…
1079	while and may block, so not sync_job-capable, ever.	1302	while and may block, so not sync_job-capable, ever.
1080		1303
1081	=cut	1304	=cut
1082		1305
1083	sub list_logins {	1306	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1307	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1308	or return [];
1086		1309
1087	my @logins;	1310	my @logins;
1088		1311
1089	for my $login (@$dirs) {	1312	for my $login (@$dirs) {
…		…
1124	}	1347	}
1125		1348
1126	\@paths	1349	\@paths
1127	}	1350	}
1128		1351
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1352	=item $player->ext_reply ($msgid, %msg)
1130		1353
1131	Sends an ext reply to the player.	1354	Sends an ext reply to the player.
1132		1355
1133	=cut	1356	=cut
1134		1357
1135	sub ext_reply($$$%) {	1358	sub ext_reply($$%) {
1136	my ($self, $id, %msg) = @_;	1359	my ($self, $id, %msg) = @_;
1137		1360
1138	$msg{msgid} = $id;	1361	$msg{msgid} = $id;
1139		1362
1140	$self->send ("ext " . cf::to_json \%msg);	1363	$self->send ("ext " . cf::to_json \%msg);
1141	}	1364	}
1142		1365
1143	package cf;	1366	=item $player->ext_event ($type, %msg)
		1367
		1368	Sends an ext event to the client.
		1369
		1370	=cut
		1371
		1372	sub ext_event($$%) {
		1373	my ($self, $type, %msg) = @_;
		1374
		1375	$self->ns->ext_event ($type, %msg);
		1376	}
		1377
		1378	=head3 cf::region
		1379
		1380	=over 4
		1381
		1382	=cut
		1383
		1384	package cf::region;
		1385
		1386	=item cf::region::find_by_path $path
		1387
		1388	Tries to decuce the likely region for a map knowing only its path.
		1389
		1390	=cut
		1391
		1392	sub find_by_path($) {
		1393	my ($path) = @_;
		1394
		1395	my ($match, $specificity);
		1396
		1397	for my $region (list) {
		1398	if ($region->match && $path =~ $region->match) {
		1399	($match, $specificity) = ($region, $region->specificity)
		1400	if $region->specificity > $specificity;
		1401	}
		1402	}
		1403
		1404	$match
		1405	}
1144		1406
1145	=back	1407	=back
1146
1147		1408
1148	=head3 cf::map	1409	=head3 cf::map
1149		1410
1150	=over 4	1411	=over 4
1151		1412
…		…
1206	my ($self, $merge) = @_;	1467	my ($self, $merge) = @_;
1207		1468
1208	# we have to keep some variables in memory intact	1469	# we have to keep some variables in memory intact
1209	local $self->{path};	1470	local $self->{path};
1210	local $self->{load_path};	1471	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1472
1214	$self->SUPER::thawer_merge ($merge);	1473	$self->SUPER::thawer_merge ($merge);
1215	}	1474	}
1216		1475
1217	sub normalise {	1476	sub normalise {
…		…
1289		1548
1290	# the original (read-only) location	1549	# the original (read-only) location
1291	sub load_path {	1550	sub load_path {
1292	my ($self) = @_;	1551	my ($self) = @_;
1293		1552
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1553	"$MAPDIR/$self->{path}.map"
1295	}	1554	}
1296		1555
1297	# the temporary/swap location	1556	# the temporary/swap location
1298	sub save_path {	1557	sub save_path {
1299	my ($self) = @_;	1558	my ($self) = @_;
1300		1559
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1561	"$TMPDIR/$path.map"
1303	}	1562	}
1304		1563
1305	# the unique path, undef == no special unique path	1564	# the unique path, undef == no special unique path
1306	sub uniq_path {	1565	sub uniq_path {
1307	my ($self) = @_;	1566	my ($self) = @_;
1308		1567
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1569	"$UNIQUEDIR/$path"
1311	}	1570	}
1312		1571
1313	# and all this just because we cannot iterate over	1572	# and all this just because we cannot iterate over
1314	# all maps in C++...	1573	# all maps in C++...
1315	sub change_all_map_light {	1574	sub change_all_map_light {
1316	my ($change) = @_;	1575	my ($change) = @_;
1317		1576
1318	$_->change_map_light ($change)	1577	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1578	for grep $_->outdoor, values %cf::MAP;
		1579	}
		1580
		1581	sub decay_objects {
		1582	my ($self) = @_;
		1583
		1584	return if $self->{deny_reset};
		1585
		1586	$self->do_decay_objects;
1320	}	1587	}
1321		1588
1322	sub unlink_save {	1589	sub unlink_save {
1323	my ($self) = @_;	1590	my ($self) = @_;
1324		1591
…		…
1382	$self->load_header_orig	1649	$self->load_header_orig
1383	or return;	1650	or return;
1384	$self->prepare_orig;	1651	$self->prepare_orig;
1385	}	1652	}
1386		1653
		1654	$self->{deny_reset} = 1
		1655	if $self->no_reset;
		1656
		1657	$self->default_region (cf::region::find_by_path $self->{path})
		1658	unless $self->default_region;
		1659
1387	1	1660	1
1388	}	1661	}
1389		1662
1390	sub find;	1663	sub find;
1391	sub find {	1664	sub find {
…		…
1403	$map->{last_save} = $cf::RUNTIME;	1676	$map->{last_save} = $cf::RUNTIME;
1404		1677
1405	$map->load_header	1678	$map->load_header
1406	or return;	1679	or return;
1407		1680
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1682	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1683	#$cf::WAIT_FOR_TICK->wait;
1411	$map->reset;	1684	$map->reset;
1412	undef $guard;	1685	undef $guard;
1413	return find $path;	1686	return find $path;
…		…
1424	my ($self) = @_;	1697	my ($self) = @_;
1425		1698
1426	local $self->{deny_reset} = 1; # loading can take a long time	1699	local $self->{deny_reset} = 1; # loading can take a long time
1427		1700
1428	my $path = $self->{path};	1701	my $path = $self->{path};
		1702
		1703	{
1429	my $guard = cf::lock_acquire "map_load:$path";	1704	my $guard = cf::lock_acquire "map_load:$path";
1430		1705
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1706	return if $self->in_memory != cf::MAP_SWAPPED;
1432		1707
1433	$self->in_memory (cf::MAP_LOADING);	1708	$self->in_memory (cf::MAP_LOADING);
1434		1709
1435	$self->alloc;	1710	$self->alloc;
1436		1711
1437	$self->pre_load;	1712	$self->pre_load;
1438
1439	$self->_load_objects ($self->{load_path}, 1)
1440	or return;
1441
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};
1444
1445	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {
1448	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);
1450	}
1451	}
1452
1453	Coro::cede;
1454
1455	# now do the right thing for maps
1456	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;	1713	Coro::cede;
1463	$self->set_darkness_map;	1714
		1715	$self->_load_objects ($self->{load_path}, 1)
		1716	or return;
		1717
		1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1719	if delete $self->{load_original};
		1720
		1721	if (my $uniq = $self->uniq_path) {
		1722	utf8::encode $uniq;
		1723	if (aio_open $uniq, O_RDONLY, 0) {
		1724	$self->clear_unique_items;
		1725	$self->_load_objects ($uniq, 0);
		1726	}
		1727	}
		1728
		1729	Coro::cede;
		1730	# now do the right thing for maps
		1731	$self->link_multipart_objects;
1464	$self->difficulty ($self->estimate_difficulty)	1732	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	1733	unless $self->difficulty;
1466	Coro::cede;	1734	Coro::cede;
		1735
		1736	unless ($self->{deny_activate}) {
		1737	$self->decay_objects;
		1738	$self->fix_auto_apply;
		1739	$self->update_buttons;
		1740	Coro::cede;
		1741	$self->set_darkness_map;
		1742	Coro::cede;
1467	$self->activate;	1743	$self->activate;
		1744	}
		1745
		1746	$self->in_memory (cf::MAP_IN_MEMORY);
1468	}	1747	}
1469		1748
1470	$self->post_load;	1749	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	1750	}
1474		1751
1475	sub customise_for {	1752	sub customise_for {
1476	my ($self, $ob) = @_;	1753	my ($self, $ob) = @_;
1477		1754
1478	return find "~" . $ob->name . "/" . $self->{path}	1755	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	1756	if $self->per_player;
		1757
		1758	# return find "?party/" . $ob->name . "/" . $self->{path}
		1759	# if $self->per_party;
1480		1760
1481	$self	1761	$self
1482	}	1762	}
1483		1763
1484	# find and load all maps in the 3x3 area around a map	1764	# find and load all maps in the 3x3 area around a map
…		…
1595		1875
1596	sub reset_at {	1876	sub reset_at {
1597	my ($self) = @_;	1877	my ($self) = @_;
1598		1878
1599	# TODO: safety, remove and allow resettable per-player maps	1879	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	1880	return 1e99 if $self->{deny_reset};
1602		1881
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1882	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1883	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		1884
…		…
1616	my ($self) = @_;	1895	my ($self) = @_;
1617		1896
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	1897	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		1898
1620	return if $self->players;	1899	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		1900
1623	warn "resetting map ", $self->path;#d#	1901	warn "resetting map ", $self->path;
1624		1902
1625	$self->in_memory (cf::MAP_SWAPPED);	1903	$self->in_memory (cf::MAP_SWAPPED);
1626		1904
1627	# need to save uniques path	1905	# need to save uniques path
1628	unless ($self->{deny_save}) {	1906	unless ($self->{deny_save}) {
…		…
1660	$cf::MAP{$self->path} = $self;	1938	$cf::MAP{$self->path} = $self;
1661		1939
1662	$self->reset; # polite request, might not happen	1940	$self->reset; # polite request, might not happen
1663	}	1941	}
1664		1942
		1943	=item $maps = cf::map::tmp_maps
		1944
		1945	Returns an arrayref with all map paths of currently instantiated and saved
		1946	maps. May block.
		1947
		1948	=cut
		1949
		1950	sub tmp_maps() {
		1951	[
		1952	map {
		1953	utf8::decode $_;
		1954	/\.map$/
		1955	? normalise $_
		1956	: ()
		1957	} @{ aio_readdir $TMPDIR or [] }
		1958	]
		1959	}
		1960
		1961	=item $maps = cf::map::random_maps
		1962
		1963	Returns an arrayref with all map paths of currently instantiated and saved
		1964	random maps. May block.
		1965
		1966	=cut
		1967
		1968	sub random_maps() {
		1969	[
		1970	map {
		1971	utf8::decode $_;
		1972	/\.map$/
		1973	? normalise "?random/$_"
		1974	: ()
		1975	} @{ aio_readdir $RANDOMDIR or [] }
		1976	]
		1977	}
		1978
1665	=item cf::map::unique_maps	1979	=item cf::map::unique_maps
1666		1980
1667	Returns an arrayref of paths of all shared maps that have	1981	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	1982	instantiated unique items. May block.
1669		1983
1670	=cut	1984	=cut
1671		1985
1672	sub unique_maps() {	1986	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1987	[
1674	or return;	1988	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	1989	utf8::decode $_;
1680	next if /\.pst$/;	1990	/\.map$/
1681	next unless /^$PATH_SEP/o;	1991	? normalise $_
1682		1992	: ()
1683	push @paths, cf::map::normalise $_;	1993	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	1994	]
1685
1686	\@paths
1687	}	1995	}
1688		1996
1689	package cf;	1997	package cf;
1690		1998
1691	=back	1999	=back
…		…
1737		2045
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2046	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2047
1740	if ($self->{record_replies}) {	2048	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2049	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2050
1742	} else {	2051	} else {
		2052	my $pl = $self->contr;
		2053
		2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2055	my $diag = $pl->{npc_dialog};
		2056	$diag->{pl}->ext_reply (
		2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
		2058	);
		2059
		2060	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2061	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2062	$self->message ($msg, $flags);
		2063	}
1745	}	2064	}
1746	}	2065	}
1747		2066
1748	=item $player_object->may ("access")	2067	=item $player_object->may ("access")
1749		2068
…		…
1797	$self->deactivate_recursive;	2116	$self->deactivate_recursive;
1798		2117
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2118	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2119
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2121	if $self->map && $self->map->{path} ne "{link}";
1803		2122
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2124	}
1806		2125
1807	sub cf::object::player::leave_link {	2126	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2127	my ($self, $map, $x, $y) = @_;
		2128
		2129	return unless $self->contr->active;
1809		2130
1810	my $link_pos = delete $self->{_link_pos};	2131	my $link_pos = delete $self->{_link_pos};
1811		2132
1812	unless ($map) {	2133	unless ($map) {
1813	# restore original map position	2134	# restore original map position
…		…
1836		2157
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2159	$self->enter_map ($map, $x, $y);
1839	}	2160	}
1840		2161
1841	cf::player->attach (
1842	on_logout => sub {
1843	my ($pl) = @_;
1844
1845	# abort map switching before logout
1846	if ($pl->ob->{_link_pos}) {
1847	cf::sync_job {
1848	$pl->ob->leave_link
1849	};
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854
1855	# try to abort aborted map switching on player login :)
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872
1873	=item $player_object->goto ($path, $x, $y)	2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1874		2163
		2164	Moves the player to the given map-path and coordinates by first freezing
		2165	her, loading and preparing them map, calling the provided $check callback
		2166	that has to return the map if sucecssful, and then unfreezes the player on
		2167	the new (success) or old (failed) map position.
		2168
1875	=cut	2169	=cut
		2170
		2171	our $GOTOGEN;
1876		2172
1877	sub cf::object::player::goto {	2173	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2174	my ($self, $path, $x, $y, $check) = @_;
		2175
		2176	# do generation counting so two concurrent goto's will be executed in-order
		2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2178
1880	$self->enter_link;	2179	$self->enter_link;
1881		2180
1882	(async {	2181	(async {
1883	my $map = eval {	2182	my $map = eval {
1884	my $map = cf::map::find $path;	2183	my $map = cf::map::find $path;
		2184
		2185	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2186	$map = $map->customise_for ($self);
		2187	$map = $check->($map) if $check && $map;
		2188	} else {
		2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2190	}
		2191
1886	$map	2192	$map
		2193	};
		2194
		2195	if ($@) {
		2196	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2197	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2198	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2199
		2200	if ($gen == $self->{_goto_generation}) {
		2201	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2202	$self->leave_link ($map, $x, $y);
		2203	}
1891	})->prio (1);	2204	})->prio (1);
1892	}	2205	}
1893		2206
1894	=item $player_object->enter_exit ($exit_object)	2207	=item $player_object->enter_exit ($exit_object)
1895		2208
…		…
1934		2247
1935	$rmp->{random_seed} ||= $exit->random_seed;	2248	$rmp->{random_seed} ||= $exit->random_seed;
1936		2249
1937	my $data = cf::to_json $rmp;	2250	my $data = cf::to_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2251	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2252	my $meta = "$RANDOMDIR/$md5.meta";
1940		2253
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2255	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2256	undef $fh;
1944	aio_rename "$meta~", $meta;	2257	aio_rename "$meta~", $meta;
…		…
1953		2266
1954	return unless $self->type == cf::PLAYER;	2267	return unless $self->type == cf::PLAYER;
1955		2268
1956	if ($exit->slaying eq "/!") {	2269	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job	2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2271	# the problem is that $exit might not survive long enough
		2272	# so it needs to be done right now, right here
1958	cf::sync_job { prepare_random_map $exit };	2273	cf::sync_job { prepare_random_map $exit };
1959	}	2274	}
1960		2275
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;	2277	my $hp = $exit->stats->hp;
…		…
1970	$self->goto ($slaying, $hp, $sp);	2285	$self->goto ($slaying, $hp, $sp);
1971		2286
1972	1;	2287	1;
1973	}) {	2288	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2289	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "I'll try to bring you back to the map you were before. "	2290	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2291	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2292	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2293
1979	warn "ERROR in enter_exit: $@";	2294	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2295	$self->leave_link;
1981	}	2296	}
1982	})->prio (1);	2297	})->prio (1);
…		…
1998		2313
1999	utf8::encode $text;	2314	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2316	}
2002		2317
		2318	=item $client->ext_event ($type, %msg)
		2319
		2320	Sends an exti event to the client.
		2321
		2322	=cut
		2323
		2324	sub cf::client::ext_event($$%) {
		2325	my ($self, $type, %msg) = @_;
		2326
		2327	$msg{msgtype} = "event_$type";
		2328	$self->send_packet ("ext " . cf::to_json \%msg);
		2329	}
2003		2330
2004	=item $success = $client->query ($flags, "text", \&cb)	2331	=item $success = $client->query ($flags, "text", \&cb)
2005		2332
2006	Queues a query to the client, calling the given callback with	2333	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2104		2431
2105	# here we export the classes and methods available to script code	2432	# here we export the classes and methods available to script code
2106		2433
2107	=pod	2434	=pod
2108		2435
2109	The following fucntions and emthods are available within a safe environment:	2436	The following functions and methods are available within a safe environment:
2110		2437
2111	cf::object contr pay_amount pay_player map	2438	cf::object contr pay_amount pay_player map
2112	cf::object::player player	2439	cf::object::player player
2113	cf::player peaceful	2440	cf::player peaceful
2114	cf::map trigger	2441	cf::map trigger
…		…
2195	=back	2522	=back
2196		2523
2197	=cut	2524	=cut
2198		2525
2199	#############################################################################	2526	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	2527	# the server's init and main functions
2273		2528
2274	sub load_faces {	2529	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	2530	my ($path) = @_;
2276		2531
2277	warn "loading faces from $path\n";	2532	warn "loading facedata from $path\n";
2278		2533
2279	my $faces;	2534	my $facedata;
2280	0 < aio_load $path, $faces	2535	0 < aio_load $path, $facedata
2281	or die "$path: $!";	2536	or die "$path: $!";
2282		2537
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	2538	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		2539
2287	my $meta = delete $faces->{""};
2288	$meta->{version} == 1	2540	$facedata->{version} == 2
2289	or cf::cleanup "$path: version mismatch, cannot proceed.";	2541	or cf::cleanup "$path: version mismatch, cannot proceed.";
2290		2542
		2543	{
		2544	my $faces = $facedata->{faceinfo};
		2545
2291	while (my ($face, $info) = each %$faces) {	2546	while (my ($face, $info) = each %$faces) {
2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2295	Coro::cede;	2551	Coro::cede;
2296	}	2552	}
2297		2553
2298	while (my ($face, $info) = each %$faces) {	2554	while (my ($face, $info) = each %$faces) {
2299	next unless $info->{smooth};	2555	next unless $info->{smooth};
2300	my $idx = cf::face::find $face	2556	my $idx = cf::face::find $face
2301	or next;	2557	or next;
2302	if (my $smooth = cf::face::find $info->{smooth}) {	2558	if (my $smooth = cf::face::find $info->{smooth}) {
2303	cf::face::set_smooth $idx, $smooth;	2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2304	} else {	2560	} else {
2305	warn "smooth face '$info->{smooth}' not found for face '$face'";	2561	warn "smooth face '$info->{smooth}' not found for face '$face'";
2306	}	2562	}
2307	Coro::cede;	2563	Coro::cede;
		2564	}
		2565	}
		2566
		2567	{
		2568	my $anims = $facedata->{animinfo};
		2569
		2570	while (my ($anim, $info) = each %$anims) {
		2571	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2572	Coro::cede;
		2573	}
		2574
		2575	cf::anim::invalidate_all; # d'oh
2308	}	2576	}
2309		2577
2310	1	2578	1
2311	}	2579	}
2312		2580
		2581	sub reload_regions {
		2582	load_resource_file "$MAPDIR/regions"
		2583	or die "unable to load regions file\n";
		2584	}
		2585
		2586	sub reload_facedata {
		2587	load_facedata "$DATADIR/facedata"
		2588	or die "unable to load facedata\n";
		2589	}
		2590
		2591	sub reload_archetypes {
		2592	load_resource_file "$DATADIR/archetypes"
		2593	or die "unable to load archetypes\n";
		2594	}
		2595
		2596	sub reload_treasures {
		2597	load_resource_file "$DATADIR/treasures"
		2598	or die "unable to load treasurelists\n";
		2599	}
		2600
2313	sub reload_resources {	2601	sub reload_resources {
2314	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2602	warn "reloading resource files...\n";
2315	or die "unable to load regions file\n";#d#	2603
		2604	reload_regions;
2316	load_faces	2605	reload_facedata;
2317	or die "unable to load faces\n";#d#	2606	#reload_archetypes;#d#
		2607	reload_archetypes;
		2608	reload_treasures;
		2609
		2610	warn "finished reloading resource files\n";
2318	}	2611	}
2319		2612
2320	sub init {	2613	sub init {
2321	reload_resources;	2614	reload_resources;
2322	}	2615	}
2323		2616
2324	sub cfg_load {	2617	sub cfg_load {
2325	open my $fh, "<:utf8", cf::confdir . "/config"	2618	open my $fh, "<:utf8", "$CONFDIR/config"
2326	or return;	2619	or return;
2327		2620
2328	local $/;	2621	local $/;
2329	*CFG = YAML::Syck::Load <$fh>;	2622	*CFG = YAML::Syck::Load <$fh>;
2330		2623
…		…
2375	},	2668	},
2376	);	2669	);
2377	}	2670	}
2378	}	2671	}
2379		2672
		2673	sub write_runtime {
		2674	my $runtime = "$LOCALDIR/runtime";
		2675
		2676	# first touch the runtime file to show we are still running:
		2677	# the fsync below can take a very very long time.
		2678
		2679	IO::AIO::aio_utime $runtime, undef, undef;
		2680
		2681	my $guard = cf::lock_acquire "write_runtime";
		2682
		2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2684	or return;
		2685
		2686	my $value = $cf::RUNTIME + 90 + 10;
		2687	# 10 is the runtime save interval, for a monotonic clock
		2688	# 60 allows for the watchdog to kill the server.
		2689
		2690	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2691	and return;
		2692
		2693	# always fsync - this file is important
		2694	aio_fsync $fh
		2695	and return;
		2696
		2697	# touch it again to show we are up-to-date
		2698	aio_utime $fh, undef, undef;
		2699
		2700	close $fh
		2701	or return;
		2702
		2703	aio_rename "$runtime~", $runtime
		2704	and return;
		2705
		2706	warn "runtime file written.\n";
		2707
		2708	1
		2709	}
		2710
2380	sub emergency_save() {	2711	sub emergency_save() {
2381	my $freeze_guard = cf::freeze_mainloop;	2712	my $freeze_guard = cf::freeze_mainloop;
2382		2713
2383	warn "enter emergency perl save\n";	2714	warn "enter emergency perl save\n";
2384		2715
…		…
2415		2746
2416	warn Carp::longmess "post_cleanup backtrace"	2747	warn Carp::longmess "post_cleanup backtrace"
2417	if $make_core;	2748	if $make_core;
2418	}	2749	}
2419		2750
2420	sub reload() {	2751	sub do_reload_perl() {
2421	# can/must only be called in main	2752	# can/must only be called in main
2422	if ($Coro::current != $Coro::main) {	2753	if ($Coro::current != $Coro::main) {
2423	warn "can only reload from main coroutine";	2754	warn "can only reload from main coroutine";
2424	return;	2755	return;
2425	}	2756	}
…		…
2500	Symbol::delete_package "safe::$_"	2831	Symbol::delete_package "safe::$_"
2501	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2502		2833
2503	warn "unloading cf.pm \"a bit\"";	2834	warn "unloading cf.pm \"a bit\"";
2504	delete $INC{"cf.pm"};	2835	delete $INC{"cf.pm"};
		2836	delete $INC{"cf/pod.pm"};
2505		2837
2506	# don't, removes xs symbols, too,	2838	# don't, removes xs symbols, too,
2507	# and global variables created in xs	2839	# and global variables created in xs
2508	#Symbol::delete_package __PACKAGE__;	2840	#Symbol::delete_package __PACKAGE__;
2509		2841
…		…
2524	warn "reattaching attachments to maps";	2856	warn "reattaching attachments to maps";
2525	reattach $_ for values %MAP;	2857	reattach $_ for values %MAP;
2526	warn "reattaching attachments to players";	2858	warn "reattaching attachments to players";
2527	reattach $_ for values %PLAYER;	2859	reattach $_ for values %PLAYER;
2528		2860
2529	warn "loading reloadable resources";
2530	reload_resources;
2531
2532	warn "leaving sync_job";	2861	warn "leaving sync_job";
2533		2862
2534	1	2863	1
2535	} or do {	2864	} or do {
2536	warn $@;	2865	warn $@;
…		…
2541	warn "reloaded";	2870	warn "reloaded";
2542	};	2871	};
2543		2872
2544	our $RELOAD_WATCHER; # used only during reload	2873	our $RELOAD_WATCHER; # used only during reload
2545		2874
		2875	sub reload_perl() {
		2876	# doing reload synchronously and two reloads happen back-to-back,
		2877	# coro crashes during coro_state_free->destroy here.
		2878
		2879	$RELOAD_WATCHER ||= Event->timer (
		2880	reentrant => 0,
		2881	after => 0,
		2882	data => WF_AUTOCANCEL,
		2883	cb => sub {
		2884	do_reload_perl;
		2885	undef $RELOAD_WATCHER;
		2886	},
		2887	);
		2888	}
		2889
2546	register_command "reload" => sub {	2890	register_command "reload" => sub {
2547	my ($who, $arg) = @_;	2891	my ($who, $arg) = @_;
2548		2892
2549	if ($who->flag (FLAG_WIZ)) {	2893	if ($who->flag (FLAG_WIZ)) {
2550	$who->message ("reloading server.");	2894	$who->message ("reloading server.");
2551		2895	async { reload_perl };
2552	# doing reload synchronously and two reloads happen back-to-back,
2553	# coro crashes during coro_state_free->destroy here.
2554
2555	$RELOAD_WATCHER ||= Event->timer (
2556	reentrant => 0,
2557	after => 0,
2558	data => WF_AUTOCANCEL,
2559	cb => sub {
2560	reload;
2561	undef $RELOAD_WATCHER;
2562	},
2563	);
2564	}	2896	}
2565	};	2897	};
2566		2898
2567	unshift @INC, $LIBDIR;	2899	unshift @INC, $LIBDIR;
2568		2900
2569	my $bug_warning = 0;	2901	my $bug_warning = 0;
2570		2902
		2903	our @WAIT_FOR_TICK;
		2904	our @WAIT_FOR_TICK_BEGIN;
		2905
		2906	sub wait_for_tick {
		2907	return unless $TICK_WATCHER->is_active;
		2908	return if $Coro::current == $Coro::main;
		2909
		2910	my $signal = new Coro::Signal;
		2911	push @WAIT_FOR_TICK, $signal;
		2912	$signal->wait;
		2913	}
		2914
		2915	sub wait_for_tick_begin {
		2916	return unless $TICK_WATCHER->is_active;
		2917	return if $Coro::current == $Coro::main;
		2918
		2919	my $signal = new Coro::Signal;
		2920	push @WAIT_FOR_TICK_BEGIN, $signal;
		2921	$signal->wait;
		2922	}
		2923
		2924	my $min = 1e6;#d#
		2925	my $avg = 10;
2571	$TICK_WATCHER = Event->timer (	2926	$TICK_WATCHER = Event->timer (
2572	reentrant => 0,	2927	reentrant => 0,
2573	parked => 1,	2928	parked => 1,
2574	prio => 0,	2929	prio => 0,
2575	at => $NEXT_TICK || $TICK,	2930	at => $NEXT_TICK || $TICK,
…		…
2579	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2580	unless ++$bug_warning > 10;	2935	unless ++$bug_warning > 10;
2581	return;	2936	return;
2582	}	2937	}
2583		2938
2584	$NOW = Event::time;	2939	$NOW = $tick_start = Event::time;
2585		2940
2586	cf::server_tick; # one server iteration	2941	cf::server_tick; # one server iteration
		2942
		2943	0 && sync_job {#d#
		2944	for(1..10) {
		2945	my $t = Event::time;
		2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2947	or die;
		2948
		2949	$map->width (50);
		2950	$map->height (50);
		2951	$map->alloc;
		2952	$map->_load_objects ("/tmp/x.map", 1);
		2953	my $t = Event::time - $t;
		2954
		2955	#next unless $t < 0.0013;#d#
		2956	if ($t < $min) {
		2957	$min = $t;
		2958	}
		2959	$avg = $avg * 0.99 + $t * 0.01;
		2960	}
		2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2962	exit 0;
		2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2964	};
		2965
2587	$RUNTIME += $TICK;	2966	$RUNTIME += $TICK;
2588	$NEXT_TICK += $TICK;	2967	$NEXT_TICK += $TICK;
2589		2968
2590	if ($NOW >= $NEXT_RUNTIME_WRITE) {	2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2591	$NEXT_RUNTIME_WRITE = $NOW + 10;	2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2593	write_runtime	2972	write_runtime
2594	or warn "ERROR: unable to write runtime file: $!";	2973	or warn "ERROR: unable to write runtime file: $!";
2595	};	2974	};
2596	}	2975	}
2597		2976
2598	$WAIT_FOR_TICK->broadcast;
2599	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2600
2601	# my $AFTER = Event::time;	2977	# my $AFTER = Event::time;
2602	# warn $AFTER - $NOW;#d#	2978	# warn $AFTER - $NOW;#d#
2603		2979
		2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2981	$sig->send;
		2982	}
		2983	while (my $sig = shift @WAIT_FOR_TICK) {
		2984	$sig->send;
		2985	}
		2986
		2987	$NOW = Event::time;
		2988
2604	# if we are delayed by four ticks or more, skip them all	2989	# if we are delayed by four ticks or more, skip them all
2605	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2606		2991
2607	$TICK_WATCHER->at ($NEXT_TICK);	2992	$TICK_WATCHER->at ($NEXT_TICK);
2608	$TICK_WATCHER->start;	2993	$TICK_WATCHER->start;
		2994
		2995	$LOAD = ($NOW - $tick_start) / $TICK;
		2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2997
		2998	_post_tick;
		2999
		3000
2609	},	3001	},
2610	);	3002	);
2611		3003
2612	{	3004	{
2613	BDB::max_poll_time $TICK * 0.1;	3005	BDB::max_poll_time $TICK * 0.1;
…		…
2641		3033
2642	cf::sync_job {	3034	cf::sync_job {
2643	eval {	3035	eval {
2644	BDB::db_env_open	3036	BDB::db_env_open
2645	$DB_ENV,	3037	$DB_ENV,
2646	$BDB_ENV_DIR,	3038	$BDBDIR,
2647	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2648	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2649	0666;	3041	0666;
2650		3042
2651	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2652		3044
2653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2654	$DB_ENV->set_lk_detect;	3046	$DB_ENV->set_lk_detect;
2655	};	3047	};
2656		3048
…		…
2672	prio => 6,	3064	prio => 6,
2673	cb => \&IO::AIO::poll_cb,	3065	cb => \&IO::AIO::poll_cb,
2674	);	3066	);
2675	}	3067	}
2676		3068
		3069	my $_log_backtrace;
		3070
		3071	sub _log_backtrace {
		3072	my ($msg, @addr) = @_;
		3073
		3074	$msg =~ s/\n//;
		3075
		3076	# limit the # of concurrent backtraces
		3077	if ($_log_backtrace < 2) {
		3078	++$_log_backtrace;
		3079	async {
		3080	my @bt = fork_call {
		3081	@addr = map { sprintf "%x", $_ } @addr;
		3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3084	or die "addr2line: $!";
		3085
		3086	my @funcs;
		3087	my @res = <$fh>;
		3088	chomp for @res;
		3089	while (@res) {
		3090	my ($func, $line) = splice @res, 0, 2, ();
		3091	push @funcs, "[$func] $line";
		3092	}
		3093
		3094	@funcs
		3095	};
		3096
		3097	LOG llevInfo, "[ABT] $msg\n";
		3098	LOG llevInfo, "[ABT] $_\n" for @bt;
		3099	--$_log_backtrace;
		3100	};
		3101	} else {
		3102	LOG llevInfo, "[ABT] $msg\n";
		3103	LOG llevInfo, "[ABT] [suppressed]\n";
		3104	}
		3105	}
		3106
		3107	# load additional modules
		3108	use cf::pod;
		3109
2677	END { cf::emergency_save }	3110	END { cf::emergency_save }
2678		3111
2679	1	3112	1
2680		3113

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