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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 1.285 by root, Sun Jun 24 04:21:42 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
		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
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1385	=item $player->ext_reply ($msgid, %msg)
1130		1386
1131	Sends an ext reply to the player.	1387	Sends an ext reply to the player.
1132		1388
1133	=cut	1389	=cut
1134		1390
1135	sub ext_reply($$$%) {	1391	sub ext_reply($$%) {
1136	my ($self, $id, %msg) = @_;	1392	my ($self, $id, %msg) = @_;
1137		1393
1138	$msg{msgid} = $id;	1394	$msg{msgid} = $id;
1139		1395
1140	$self->send ("ext " . cf::to_json \%msg);	1396	$self->send ("ext " . cf::to_json \%msg);
1141	}	1397	}
1142		1398
1143	package cf;	1399	=item $player->ext_event ($type, %msg)
		1400
		1401	Sends an ext event to the client.
		1402
		1403	=cut
		1404
		1405	sub ext_event($$%) {
		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	$match
		1438	}
1144		1439
1145	=back	1440	=back
1146
1147		1441
1148	=head3 cf::map	1442	=head3 cf::map
1149		1443
1150	=over 4	1444	=over 4
1151		1445
…		…
1206	my ($self, $merge) = @_;	1500	my ($self, $merge) = @_;
1207		1501
1208	# we have to keep some variables in memory intact	1502	# we have to keep some variables in memory intact
1209	local $self->{path};	1503	local $self->{path};
1210	local $self->{load_path};	1504	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1505
1214	$self->SUPER::thawer_merge ($merge);	1506	$self->SUPER::thawer_merge ($merge);
1215	}	1507	}
1216		1508
1217	sub normalise {	1509	sub normalise {
…		…
1289		1581
1290	# the original (read-only) location	1582	# the original (read-only) location
1291	sub load_path {	1583	sub load_path {
1292	my ($self) = @_;	1584	my ($self) = @_;
1293		1585
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1586	"$MAPDIR/$self->{path}.map"
1295	}	1587	}
1296		1588
1297	# the temporary/swap location	1589	# the temporary/swap location
1298	sub save_path {	1590	sub save_path {
1299	my ($self) = @_;	1591	my ($self) = @_;
1300		1592
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1594	"$TMPDIR/$path.map"
1303	}	1595	}
1304		1596
1305	# the unique path, undef == no special unique path	1597	# the unique path, undef == no special unique path
1306	sub uniq_path {	1598	sub uniq_path {
1307	my ($self) = @_;	1599	my ($self) = @_;
1308		1600
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1602	"$UNIQUEDIR/$path"
1311	}	1603	}
1312		1604
1313	# and all this just because we cannot iterate over	1605	# and all this just because we cannot iterate over
1314	# all maps in C++...	1606	# all maps in C++...
1315	sub change_all_map_light {	1607	sub change_all_map_light {
1316	my ($change) = @_;	1608	my ($change) = @_;
1317		1609
1318	$_->change_map_light ($change)	1610	$_->change_map_light ($change)
1319	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	$self->do_decay_objects;
1320	}	1620	}
1321		1621
1322	sub unlink_save {	1622	sub unlink_save {
1323	my ($self) = @_;	1623	my ($self) = @_;
1324		1624
…		…
1382	$self->load_header_orig	1682	$self->load_header_orig
1383	or return;	1683	or return;
1384	$self->prepare_orig;	1684	$self->prepare_orig;
1385	}	1685	}
1386		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
1387	1	1693	1
1388	}	1694	}
1389		1695
1390	sub find;	1696	sub find;
1391	sub find {	1697	sub find {
…		…
1403	$map->{last_save} = $cf::RUNTIME;	1709	$map->{last_save} = $cf::RUNTIME;
1404		1710
1405	$map->load_header	1711	$map->load_header
1406	or return;	1712	or return;
1407		1713
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1715	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1716	#$cf::WAIT_FOR_TICK->wait;
1411	$map->reset;	1717	$map->reset;
1412	undef $guard;	1718	undef $guard;
1413	return find $path;	1719	return find $path;
…		…
1424	my ($self) = @_;	1730	my ($self) = @_;
1425		1731
1426	local $self->{deny_reset} = 1; # loading can take a long time	1732	local $self->{deny_reset} = 1; # loading can take a long time
1427		1733
1428	my $path = $self->{path};	1734	my $path = $self->{path};
		1735
		1736	{
1429	my $guard = cf::lock_acquire "map_load:$path";	1737	my $guard = cf::lock_acquire "map_load:$path";
1430		1738
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1739	return if $self->in_memory != cf::MAP_SWAPPED;
1432		1740
1433	$self->in_memory (cf::MAP_LOADING);	1741	$self->in_memory (cf::MAP_LOADING);
1434		1742
1435	$self->alloc;	1743	$self->alloc;
1436		1744
1437	$self->pre_load;	1745	$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;	1746	Coro::cede;
1463	$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;
1464	$self->difficulty ($self->estimate_difficulty)	1765	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	1766	unless $self->difficulty;
1466	Coro::cede;	1767	Coro::cede;
		1768
		1769	unless ($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;
1467	$self->activate;	1776	$self->activate;
		1777	}
		1778
		1779	$self->in_memory (cf::MAP_IN_MEMORY);
1468	}	1780	}
1469		1781
1470	$self->post_load;	1782	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	1783	}
1474		1784
1475	sub customise_for {	1785	sub customise_for {
1476	my ($self, $ob) = @_;	1786	my ($self, $ob) = @_;
1477		1787
1478	return find "~" . $ob->name . "/" . $self->{path}	1788	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	1789	if $self->per_player;
		1790
		1791	# return find "?party/" . $ob->name . "/" . $self->{path}
		1792	# if $self->per_party;
1480		1793
1481	$self	1794	$self
1482	}	1795	}
1483		1796
1484	# find and load all maps in the 3x3 area around a map	1797	# find and load all maps in the 3x3 area around a map
…		…
1595		1908
1596	sub reset_at {	1909	sub reset_at {
1597	my ($self) = @_;	1910	my ($self) = @_;
1598		1911
1599	# TODO: safety, remove and allow resettable per-player maps	1912	# 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};	1913	return 1e99 if $self->{deny_reset};
1602		1914
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1915	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1916	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		1917
…		…
1616	my ($self) = @_;	1928	my ($self) = @_;
1617		1929
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	1930	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		1931
1620	return if $self->players;	1932	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		1933
1623	warn "resetting map ", $self->path;#d#	1934	warn "resetting map ", $self->path;
1624		1935
1625	$self->in_memory (cf::MAP_SWAPPED);	1936	$self->in_memory (cf::MAP_SWAPPED);
1626		1937
1627	# need to save uniques path	1938	# need to save uniques path
1628	unless ($self->{deny_save}) {	1939	unless ($self->{deny_save}) {
…		…
1660	$cf::MAP{$self->path} = $self;	1971	$cf::MAP{$self->path} = $self;
1661		1972
1662	$self->reset; # polite request, might not happen	1973	$self->reset; # polite request, might not happen
1663	}	1974	}
1664		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
1665	=item cf::map::unique_maps	2012	=item cf::map::unique_maps
1666		2013
1667	Returns an arrayref of paths of all shared maps that have	2014	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2015	instantiated unique items. May block.
1669		2016
1670	=cut	2017	=cut
1671		2018
1672	sub unique_maps() {	2019	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2020	[
1674	or return;	2021	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2022	utf8::decode $_;
1680	next if /\.pst$/;	2023	/\.map$/
1681	next unless /^$PATH_SEP/o;	2024	? normalise $_
1682		2025	: ()
1683	push @paths, cf::map::normalise $_;	2026	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2027	]
1685
1686	\@paths
1687	}	2028	}
1688		2029
1689	package cf;	2030	package cf;
1690		2031
1691	=back	2032	=back
…		…
1737		2078
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2079	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2080
1740	if ($self->{record_replies}) {	2081	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2082	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2083
1742	} 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 {
1743	$msg = $npc->name . " says: $msg" if $npc;	2097	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2098	$self->message ($msg, $flags);
		2099	}
1745	}	2100	}
1746	}	2101	}
1747		2102
1748	=item $player_object->may ("access")	2103	=item $player_object->may ("access")
1749		2104
…		…
1797	$self->deactivate_recursive;	2152	$self->deactivate_recursive;
1798		2153
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2154	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2155
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2157	if $self->map && $self->map->{path} ne "{link}";
1803		2158
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2160	}
1806		2161
1807	sub cf::object::player::leave_link {	2162	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2163	my ($self, $map, $x, $y) = @_;
		2164
		2165	return unless $self->contr->active;
1809		2166
1810	my $link_pos = delete $self->{_link_pos};	2167	my $link_pos = delete $self->{_link_pos};
1811		2168
1812	unless ($map) {	2169	unless ($map) {
1813	# restore original map position	2170	# restore original map position
…		…
1836		2193
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2195	$self->enter_map ($map, $x, $y);
1839	}	2196	}
1840		2197
1841	cf::player->attach (
1842	on_logout => sub {
1843	my ($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)	2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1874		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
1875	=cut	2205	=cut
		2206
		2207	our $GOTOGEN;
1876		2208
1877	sub cf::object::player::goto {	2209	sub cf::object::player::goto {
1878	my ($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;
1879		2214
1880	$self->enter_link;	2215	$self->enter_link;
1881		2216
1882	(async {	2217	(async {
1883	my $map = eval {	2218	my $map = eval {
1884	my $map = cf::map::find $path;	2219	my $map = cf::map::find $path;
		2220
		2221	if ($map) {
1885	$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
1886	$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 $@;
1887	} or	2234	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2235
		2236	if ($gen == $self->{_goto_generation}) {
		2237	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2238	$self->leave_link ($map, $x, $y);
		2239	}
1891	})->prio (1);	2240	})->prio (1);
1892	}	2241	}
1893		2242
1894	=item $player_object->enter_exit ($exit_object)	2243	=item $player_object->enter_exit ($exit_object)
1895		2244
…		…
1934		2283
1935	$rmp->{random_seed} ||= $exit->random_seed;	2284	$rmp->{random_seed} ||= $exit->random_seed;
1936		2285
1937	my $data = cf::to_json $rmp;	2286	my $data = cf::to_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2287	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2288	my $meta = "$RANDOMDIR/$md5.meta";
1940		2289
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2291	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2292	undef $fh;
1944	aio_rename "$meta~", $meta;	2293	aio_rename "$meta~", $meta;
…		…
1953		2302
1954	return unless $self->type == cf::PLAYER;	2303	return unless $self->type == cf::PLAYER;
1955		2304
1956	if ($exit->slaying eq "/!") {	2305	if ($exit->slaying eq "/!") {
1957	#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
1958	cf::sync_job { prepare_random_map $exit };	2309	cf::sync_job { prepare_random_map $exit };
1959	}	2310	}
1960		2311
1961	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;
1962	my $hp = $exit->stats->hp;	2313	my $hp = $exit->stats->hp;
…		…
1970	$self->goto ($slaying, $hp, $sp);	2321	$self->goto ($slaying, $hp, $sp);
1971		2322
1972	1;	2323	1;
1973	}) {	2324	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2325	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "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. "
1976	. "Please report this to the dungeon master!",	2327	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2328	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2329
1979	warn "ERROR in enter_exit: $@";	2330	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2331	$self->leave_link;
1981	}	2332	}
1982	})->prio (1);	2333	})->prio (1);
…		…
1998		2349
1999	utf8::encode $text;	2350	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2352	}
2002		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	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	}
2003		2404
2004	=item $success = $client->query ($flags, "text", \&cb)	2405	=item $success = $client->query ($flags, "text", \&cb)
2005		2406
2006	Queues a query to the client, calling the given callback with	2407	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>,	2408	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2104		2505
2105	# here we export the classes and methods available to script code	2506	# here we export the classes and methods available to script code
2106		2507
2107	=pod	2508	=pod
2108		2509
2109	The following fucntions and emthods are available within a safe environment:	2510	The following functions and methods are available within a safe environment:
2110		2511
2111	cf::object contr pay_amount pay_player map	2512	cf::object contr pay_amount pay_player map
2112	cf::object::player player	2513	cf::object::player player
2113	cf::player peaceful	2514	cf::player peaceful
2114	cf::map trigger	2515	cf::map trigger
…		…
2195	=back	2596	=back
2196		2597
2197	=cut	2598	=cut
2198		2599
2199	#############################################################################	2600	#############################################################################
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	2601	# the server's init and main functions
2273		2602
2274	sub load_faces {	2603	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	2604	my ($path) = @_;
2276		2605
2277	warn "loading faces from $path\n";	2606	warn "loading facedata from $path\n";
2278		2607
2279	my $faces;	2608	my $facedata;
2280	0 < aio_load $path, $faces	2609	0 < aio_load $path, $facedata
2281	or die "$path: $!";	2610	or die "$path: $!";
2282		2611
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	2612	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		2613
2287	my $meta = delete $faces->{""};
2288	$meta->{version} == 1	2614	$facedata->{version} == 2
2289	or cf::cleanup "$path: version mismatch, cannot proceed.";	2615	or cf::cleanup "$path: version mismatch, cannot proceed.";
2290		2616
		2617	{
		2618	my $faces = $facedata->{faceinfo};
		2619
2291	while (my ($face, $info) = each %$faces) {	2620	while (my ($face, $info) = each %$faces) {
2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2295	Coro::cede;	2625	Coro::cede;
2296	}	2626	}
2297		2627
2298	while (my ($face, $info) = each %$faces) {	2628	while (my ($face, $info) = each %$faces) {
2299	next unless $info->{smooth};	2629	next unless $info->{smooth};
2300	my $idx = cf::face::find $face	2630	my $idx = cf::face::find $face
2301	or next;	2631	or next;
2302	if (my $smooth = cf::face::find $info->{smooth}) {	2632	if (my $smooth = cf::face::find $info->{smooth}) {
2303	cf::face::set_smooth $idx, $smooth;	2633	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2304	} else {	2634	} else {
2305	warn "smooth face '$info->{smooth}' not found for face '$face'";	2635	warn "smooth face '$info->{smooth}' not found for face '$face'";
2306	}	2636	}
2307	Coro::cede;	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
2308	}	2650	}
2309		2651
2310	1	2652	1
2311	}	2653	}
2312		2654
		2655	sub reload_regions {
		2656	load_resource_file "$MAPDIR/regions"
		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
2313	sub reload_resources {	2675	sub reload_resources {
2314	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2676	warn "reloading resource files...\n";
2315	or die "unable to load regions file\n";#d#	2677
		2678	reload_regions;
2316	load_faces	2679	reload_facedata;
2317	or die "unable to load faces\n";#d#	2680	#reload_archetypes;#d#
		2681	reload_archetypes;
		2682	reload_treasures;
		2683
		2684	warn "finished reloading resource files\n";
2318	}	2685	}
2319		2686
2320	sub init {	2687	sub init {
2321	reload_resources;	2688	reload_resources;
2322	}	2689	}
2323		2690
2324	sub cfg_load {	2691	sub cfg_load {
2325	open my $fh, "<:utf8", cf::confdir . "/config"	2692	open my $fh, "<:utf8", "$CONFDIR/config"
2326	or return;	2693	or return;
2327		2694
2328	local $/;	2695	local $/;
2329	*CFG = YAML::Syck::Load <$fh>;	2696	*CFG = YAML::Syck::Load <$fh>;
2330		2697
…		…
2375	},	2742	},
2376	);	2743	);
2377	}	2744	}
2378	}	2745	}
2379		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
2380	sub emergency_save() {	2785	sub emergency_save() {
2381	my $freeze_guard = cf::freeze_mainloop;	2786	my $freeze_guard = cf::freeze_mainloop;
2382		2787
2383	warn "enter emergency perl save\n";	2788	warn "enter emergency perl save\n";
2384		2789
…		…
2415		2820
2416	warn Carp::longmess "post_cleanup backtrace"	2821	warn Carp::longmess "post_cleanup backtrace"
2417	if $make_core;	2822	if $make_core;
2418	}	2823	}
2419		2824
2420	sub reload() {	2825	sub do_reload_perl() {
2421	# can/must only be called in main	2826	# can/must only be called in main
2422	if ($Coro::current != $Coro::main) {	2827	if ($Coro::current != $Coro::main) {
2423	warn "can only reload from main coroutine";	2828	warn "can only reload from main coroutine";
2424	return;	2829	return;
2425	}	2830	}
…		…
2500	Symbol::delete_package "safe::$_"	2905	Symbol::delete_package "safe::$_"
2501	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);
2502		2907
2503	warn "unloading cf.pm \"a bit\"";	2908	warn "unloading cf.pm \"a bit\"";
2504	delete $INC{"cf.pm"};	2909	delete $INC{"cf.pm"};
		2910	delete $INC{"cf/pod.pm"};
2505		2911
2506	# don't, removes xs symbols, too,	2912	# don't, removes xs symbols, too,
2507	# and global variables created in xs	2913	# and global variables created in xs
2508	#Symbol::delete_package __PACKAGE__;	2914	#Symbol::delete_package __PACKAGE__;
2509		2915
…		…
2524	warn "reattaching attachments to maps";	2930	warn "reattaching attachments to maps";
2525	reattach $_ for values %MAP;	2931	reattach $_ for values %MAP;
2526	warn "reattaching attachments to players";	2932	warn "reattaching attachments to players";
2527	reattach $_ for values %PLAYER;	2933	reattach $_ for values %PLAYER;
2528		2934
2529	warn "loading reloadable resources";
2530	reload_resources;
2531
2532	warn "leaving sync_job";	2935	warn "leaving sync_job";
2533		2936
2534	1	2937	1
2535	} or do {	2938	} or do {
2536	warn $@;	2939	warn $@;
…		…
2541	warn "reloaded";	2944	warn "reloaded";
2542	};	2945	};
2543		2946
2544	our $RELOAD_WATCHER; # used only during reload	2947	our $RELOAD_WATCHER; # used only during reload
2545		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
2546	register_command "reload" => sub {	2964	register_command "reload" => sub {
2547	my ($who, $arg) = @_;	2965	my ($who, $arg) = @_;
2548		2966
2549	if ($who->flag (FLAG_WIZ)) {	2967	if ($who->flag (FLAG_WIZ)) {
2550	$who->message ("reloading server.");	2968	$who->message ("reloading server.");
2551		2969	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	}	2970	}
2565	};	2971	};
2566		2972
2567	unshift @INC, $LIBDIR;	2973	unshift @INC, $LIBDIR;
2568		2974
2569	my $bug_warning = 0;	2975	my $bug_warning = 0;
2570		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;
2571	$TICK_WATCHER = Event->timer (	3000	$TICK_WATCHER = Event->timer (
2572	reentrant => 0,	3001	reentrant => 0,
2573	parked => 1,	3002	parked => 1,
2574	prio => 0,	3003	prio => 0,
2575	at => $NEXT_TICK || $TICK,	3004	at => $NEXT_TICK || $TICK,
…		…
2579	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"
2580	unless ++$bug_warning > 10;	3009	unless ++$bug_warning > 10;
2581	return;	3010	return;
2582	}	3011	}
2583		3012
2584	$NOW = Event::time;	3013	$NOW = $tick_start = Event::time;
2585		3014
2586	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
2587	$RUNTIME += $TICK;	3040	$RUNTIME += $TICK;
2588	$NEXT_TICK += $TICK;	3041	$NEXT_TICK += $TICK;
2589		3042
2590	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2591	$NEXT_RUNTIME_WRITE = $NOW + 10;	3044	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2593	write_runtime	3046	write_runtime
2594	or warn "ERROR: unable to write runtime file: $!";	3047	or warn "ERROR: unable to write runtime file: $!";
2595	};	3048	};
2596	}	3049	}
2597		3050
2598	$WAIT_FOR_TICK->broadcast;
2599	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2600
2601	# my $AFTER = Event::time;	3051	# my $AFTER = Event::time;
2602	# warn $AFTER - $NOW;#d#	3052	# warn $AFTER - $NOW;#d#
2603		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
2604	# 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
2605	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2606		3065
2607	$TICK_WATCHER->at ($NEXT_TICK);	3066	$TICK_WATCHER->at ($NEXT_TICK);
2608	$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
2609	},	3075	},
2610	);	3076	);
2611		3077
2612	{	3078	{
2613	BDB::max_poll_time $TICK * 0.1;	3079	BDB::max_poll_time $TICK * 0.1;
…		…
2641		3107
2642	cf::sync_job {	3108	cf::sync_job {
2643	eval {	3109	eval {
2644	BDB::db_env_open	3110	BDB::db_env_open
2645	$DB_ENV,	3111	$DB_ENV,
2646	$BDB_ENV_DIR,	3112	$BDBDIR,
2647	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
2648	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2649	0666;	3115	0666;
2650		3116
2651	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2652		3118
2653	$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);
2654	$DB_ENV->set_lk_detect;	3120	$DB_ENV->set_lk_detect;
2655	};	3121	};
2656		3122
…		…
2672	prio => 6,	3138	prio => 6,
2673	cb => \&IO::AIO::poll_cb,	3139	cb => \&IO::AIO::poll_cb,
2674	);	3140	);
2675	}	3141	}
2676		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
2677	END { cf::emergency_save }	3184	END { cf::emergency_save }
2678		3185
2679	1	3186	1
2680		3187

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