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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.232 by root, Wed Apr 4 02:07:19 2007 UTC vs.
Revision 1.292 by root, Tue Jul 3 00:54:57 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
		25	use JSON::XS 1.4 ();
22	use BDB ();	26	use BDB ();
23	use Data::Dumper;	27	use Data::Dumper;
24	use Digest::MD5;	28	use Digest::MD5;
25	use Fcntl;	29	use Fcntl;
26	use YAML::Syck ();	30	use YAML::Syck ();
…		…
28	use Time::HiRes;	32	use Time::HiRes;
29	use Compress::LZF;	33	use Compress::LZF;
30		34
31	# configure various modules to our taste	35	# configure various modules to our taste
32	#	36	#
		37	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		40
36	$Event::Eval = 1; # no idea why this is required, but it is	41	$Event::Eval = 1; # no idea why this is required, but it is
37		42
…		…
45	our %COMMAND = ();	50	our %COMMAND = ();
46	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
47		52
48	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
52		58
53	our $RELOAD; # number of reloads so far	59	our $RELOAD; # number of reloads so far
54	our @EVENT;	60	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		61
57	our $TICK = MAX_TIME * 1e-6;	62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
		73
		74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
58	our $TICK_WATCHER;	75	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	78	our $NEXT_TICK;
62	our $NOW;	79	our $NOW;
…		…
71	our $RUNTIME;	88	our $RUNTIME;
72		89
73	our %PLAYER; # all users	90	our %PLAYER; # all users
74	our %MAP; # all maps	91	our %MAP; # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	92	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		93
82	# used to convert map paths into valid unix filenames by replacing / by ∕	94	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		96
		97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		98	our $LOADAVG; # same thing, but with alpha-smoothing
		99	our $tick_start; # for load detecting purposes
		100
85	binmode STDOUT;	101	binmode STDOUT;
86	binmode STDERR;	102	binmode STDERR;
87		103
88	# read virtual server time, if available	104	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
93	}	109	}
94		110
95	mkdir cf::localdir;	111	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		113
102	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
103		115
104	sub cf::map::normalise;	116	sub cf::map::normalise;
105		117
…		…
116	=item $cf::RUNTIME	128	=item $cf::RUNTIME
117		129
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	130	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	131	every server tick.
120		132
121	=item $cf::LIBDIR	133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		136
123	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		139	unique-items directory, player file directory, random maps directory and
		140	database environment.
125		141
126	=item $cf::NOW	142	=item $cf::NOW
127		143
128	The time of the last (current) server tick.	144	The time of the last (current) server tick.
129		145
130	=item $cf::TICK	146	=item $cf::TICK
131		147
132	The interval between server ticks, in seconds.	148	The interval between server ticks, in seconds.
		149
		150	=item $cf::LOADAVG
		151
		152	The current CPU load on the server (alpha-smoothed), as a value between 0
		153	(none) and 1 (overloaded), indicating how much time is spent on processing
		154	objects per tick. Healthy values are < 0.5.
		155
		156	=item $cf::LOAD
		157
		158	The raw value load value from the last tick.
133		159
134	=item %cf::CFG	160	=item %cf::CFG
135		161
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	163	from wherever your confdir points to.
138		164
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		166
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	168	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.
145		170
146	=back	171	=back
147		172
148	=cut	173	=cut
149		174
150	BEGIN {	175	BEGIN {
151	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	177	my $msg = join "", @_;
153	utf8::encode $msg;
154		178
155	$msg .= "\n"	179	$msg .= "\n"
156	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
157		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
158	LOG llevError, $msg;	185	LOG llevError, $msg;
159	};	186	};
160	}	187	}
161		188
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	193	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		194	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	195	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		196
169	# we bless all objects into (empty) derived classes to force a method lookup	197	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	198	# within the Safe compartment.
171	for my $pkg (qw(	199	for my $pkg (qw(
172	cf::global cf::attachable	200	cf::global cf::attachable
…		…
180	}	208	}
181		209
182	$Event::DIED = sub {	210	$Event::DIED = sub {
183	warn "error in event callback: @_";	211	warn "error in event callback: @_";
184	};	212	};
		213
		214	#############################################################################
185		215
186	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
187		217
188	=over 4	218	=over 4
189		219
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	239	$d
210	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
211	}	241	}
212		242
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
216		244
217	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
218		246
219	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
220		248
221	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
		250
		251	=cut
		252
		253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		254
		255	sub to_json ($) { $json_coder->encode ($_[0]) }
		256	sub from_json ($) { $json_coder->decode ($_[0]) }
222		257
223	=item cf::lock_wait $string	258	=item cf::lock_wait $string
224		259
225	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
226		261
…		…
232	returned.	267	returned.
233		268
234	Lock names should begin with a unique identifier (for example, cf::map::find	269	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
236		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
237	=cut	276	=cut
238		277
239	our %LOCK;	278	our %LOCK;
240		279
241	sub lock_wait($) {	280	sub lock_wait($) {
…		…
258		297
259	Coro::guard {	298	Coro::guard {
260	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
262	}	301	}
		302	}
		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
263	}	308	}
264		309
265	sub freeze_mainloop {	310	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
267		312
…		…
282		327
283	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
284		329
285	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
286		331
287	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
290		336
291	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
294	fast or be very important.	340	fast or be very important.
…		…
297		343
298	sub sync_job(&) {	344	sub sync_job(&) {
299	my ($job) = @_;	345	my ($job) = @_;
300		346
301	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
302	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
304		352
305	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
317		365
318	while ($busy) {	366	while ($busy) {
319	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
320	}	368	}
321		369
		370	$time = Event::time - $time;
		371
		372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		374
		375	$tick_start += $time; # do not account sync jobs to server load
		376
322	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
323	} else {	378	} else {
324	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
325		380
326	$job->()	381	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
346		401
347	$coro	402	$coro
348	}	403	}
349		404
350	sub write_runtime {	405	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		406
353	my $runtime = cf::localdir . "/runtime";	407	Executes the given code block with the given arguments in a seperate
		408	process, returning the results. Everything must be serialisable with
		409	Coro::Storable. May, of course, block. Note that the executed sub may
		410	never block itself or use any form of Event handling.
354		411
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	412	=cut
356	or return;
357		413
358	my $value = $cf::RUNTIME + 90 + 10;	414	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	415	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		416
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
363	and return;	418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
364		421
365	# always fsync - this file is important	422	if (my $pid = fork) {
366	aio_fsync $fh
367	and return;
368
369	close $fh	423	close $fh2;
370	or return;
371		424
372	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
373	and return;	426	$res = Coro::Storable::thaw $res;
374		427
		428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
375	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		480	my $key = "$_[0]/$_[1]";
		481
		482	cf::sync_job {
		483	BDB::db_get $DB, undef, $key, my $data;
		484
		485	$! ? ()
		486	: $data
		487	}
		488	}
		489
		490	sub db_put($$$) {
		491	BDB::dbreq_pri 4;
		492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		493	}
		494
		495	=item cf::cache $id => [$paths...], $processversion => $process
		496
		497	Generic caching function that returns the value of the resource $id,
		498	caching and regenerating as required.
		499
		500	This function can block.
		501
		502	=cut
		503
		504	sub cache {
		505	my ($id, $src, $processversion, $process) = @_;
		506
		507	my $meta =
		508	join "\x00",
		509	$processversion,
		510	map {
		511	aio_stat $_
		512	and Carp::croak "$_: $!";
		513
		514	($_, (stat _)[7,9])
		515	} @$src;
		516
		517	my $dbmeta = db_get cache => "$id/meta";
		518	if ($dbmeta ne $meta) {
		519	# changed, we may need to process
		520
		521	my @data;
		522	my $md5;
		523
		524	for (0 .. $#$src) {
		525	0 <= aio_load $src->[$_], $data[$_]
		526	or Carp::croak "$src->[$_]: $!";
		527	}
		528
		529	# if processing is expensive, check
		530	# checksum first
		531	if (1) {
		532	$md5 =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	Coro::cede;
		537	($src->[$_], Digest::MD5::md5_hex $data[$_])
		538	} 0.. $#$src;
		539
		540
		541	my $dbmd5 = db_get cache => "$id/md5";
		542	if ($dbmd5 eq $md5) {
		543	db_put cache => "$id/meta", $meta;
		544
		545	return db_get cache => "$id/data";
		546	}
		547	}
		548
		549	my $t1 = Time::HiRes::time;
		550	my $data = $process->(\@data);
		551	my $t2 = Time::HiRes::time;
		552
		553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		554
		555	db_put cache => "$id/data", $data;
		556	db_put cache => "$id/md5" , $md5;
		557	db_put cache => "$id/meta", $meta;
		558
		559	return $data;
		560	}
		561
		562	db_get cache => "$id/data"
376	}	563	}
377		564
378	=item cf::datalog type => key => value, ...	565	=item cf::datalog type => key => value, ...
379		566
380	Log a datalog packet of the given type with the given key-value pairs.	567	Log a datalog packet of the given type with the given key-value pairs.
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	585	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
400		587
401	In the following description, CLASS can be any of C<global>, C<object>	588	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	589	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	590	Crossfire TRT).
404		591
405	=over 4	592	=over 4
406		593
407	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
408		595
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
572		759
573	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		764
578	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	766	my $pkg = shift @arg;
580		767
581	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
611	}	798	}
612		799
613	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
614	} else {	801	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	803	}
617		804
618	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
619	}	806	}
620		807
…		…
622	if (ref $_[0]) {	809	if (ref $_[0]) {
623	_object_attach @_;	810	_object_attach @_;
624	} else {	811	} else {
625	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
626	}	813	}
		814	_recalc_want;
627	};	815	};
628		816
629	# all those should be optimised	817	# all those should be optimised
630	sub cf::attachable::detach {	818	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
635	reattach ($obj);	823	reattach ($obj);
636	} else {	824	} else {
637	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
638	}	826	}
		827	_recalc_want;
639	};	828	};
640		829
641	sub cf::attachable::attached {	830	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
643		832
…		…
816	or return;	1005	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1007	}
819		1008
820	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	1011	return ($data, $av);
823	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
824		1019
825	#############################################################################	1020	#############################################################################
826	# command handling &c	1021	# command handling &c
827		1022
828	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1037	}
843		1038
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1040
846	Register a callbackf ro execution when the client sends an extcmd packet.	1041	Register a callback for execution when the client sends an (synchronous)
		1042	extcmd packet. Ext commands will be processed in the order they are
		1043	received by the server, like other user commands. The first argument is
		1044	the logged-in player. Ext commands can only be processed after a player
		1045	has logged in successfully.
847		1046
848	If the callback returns something, it is sent back as if reply was being	1047	If the callback returns something, it is sent back as if reply was being
849	called.	1048	called.
850		1049
		1050	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1051
		1052	Register a callback for execution when the client sends an (asynchronous)
		1053	exticmd packet. Exti commands are processed by the server as soon as they
		1054	are received, i.e. out of order w.r.t. other commands. The first argument
		1055	is a client socket. Exti commands can be received anytime, even before
		1056	log-in.
		1057
		1058	If the callback returns something, it is sent back as if reply was being
		1059	called.
		1060
851	=cut	1061	=cut
852		1062
853	sub register_extcmd {	1063	sub register_extcmd {
854	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
855		1065
856	$EXTCMD{$name} = $cb;	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
857	}	1073	}
858		1074
859	cf::player->attach (	1075	cf::player->attach (
860	on_command => sub {	1076	on_command => sub {
861	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1086	cf::override;
871	},	1087	},
872	on_extcmd => sub {	1088	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1089	my ($pl, $buf) = @_;
874		1090
875	my $msg = eval { from_json $buf };	1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1092
877	if (ref $msg) {	1093	if (ref $msg) {
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
879	if (my %reply = $cb->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
880	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
886		1102
887	cf::override;	1103	cf::override;
888	},	1104	},
889	);	1105	);
890		1106
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 {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
926	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1112	next unless -r $path;
928	eval {	1113
929	load_extension $ext;	1114	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1115	my $base = $1;
		1116	my $pkg = $1;
		1117	$pkg =~ s/[^[:word:]]/_/g;
		1118	$pkg = "ext::$pkg";
		1119
		1120	open my $fh, "<:utf8", $path
		1121	or die "$path: $!";
		1122
		1123	my $source = do { local $/; <$fh> };
		1124
		1125	my %ext = (
		1126	path => $path,
		1127	base => $base,
		1128	pkg => $pkg,
		1129	);
		1130
		1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1133
		1134	$ext{source} =
		1135	"package $pkg; use strict; use utf8;\n"
		1136	. "#line 1 \"$path\"\n{\n"
		1137	. $source
		1138	. "\n};\n1";
		1139
		1140	$todo{$base} = \%ext;
		1141	}
		1142
		1143	my %done;
		1144	while (%todo) {
		1145	my $progress;
		1146
		1147	while (my ($k, $v) = each %todo) {
		1148	for (split /,\s*/, $v->{meta}{depends}) {
		1149	goto skip
		1150	unless exists $done{$_};
		1151	}
		1152
		1153	warn "... loading '$k' into '$v->{pkg}'\n";
		1154
		1155	unless (eval $v->{source}) {
		1156	my $msg = $@ ? "$v->{path}: $@\n"
		1157	: "$v->{base}: extension inactive.\n";
		1158
		1159	if (exists $v->{meta}{mandatory}) {
		1160	warn $msg;
		1161	warn "mandatory extension failed to load, exiting.\n";
		1162	exit 1;
		1163	}
		1164
		1165	warn $msg;
		1166	}
		1167
		1168	$done{$k} = delete $todo{$k};
		1169	push @EXTS, $v->{pkg};
		1170	$progress = 1;
930	1	1171	}
931	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
932	}	1177	};
933	}	1178	}
934		1179
935	#############################################################################	1180	#############################################################################
936		1181
		1182	=back
		1183
937	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
938		1185
939	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
940		1187
941	=cut	1188	=cut
…		…
953	Returns the given player object, loading it if necessary (might block).	1200	Returns the given player object, loading it if necessary (might block).
954		1201
955	=cut	1202	=cut
956		1203
957	sub playerdir($) {	1204	sub playerdir($) {
958	cf::localdir	1205	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1207	}
964		1208
965	sub path($) {	1209	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1211
968	(playerdir $login) . "/$login.pl"	1212	(playerdir $login) . "/playerdata"
969	}	1213	}
970		1214
971	sub find_active($) {	1215	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1216	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1217	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1230	my $login = $_[0];
987		1231
988	my $guard = cf::lock_acquire "user_find:$login";	1232	my $guard = cf::lock_acquire "user_find:$login";
989		1233
990	$cf::PLAYER{$_[0]} || do {	1234	$cf::PLAYER{$_[0]} || do {
		1235	# rename old playerfiles to new ones
		1236	#TODO: remove when no longer required
		1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1240	aio_unlink +(playerdir $login) . "/$login.pl";
		1241
991	my $pl = load_pl path $login	1242	my $pl = load_pl path $login
992	or return;	1243	or return;
993	$cf::PLAYER{$login} = $pl	1244	$cf::PLAYER{$login} = $pl
994	}	1245	}
995	}	1246	}
…		…
1079	while and may block, so not sync_job-capable, ever.	1330	while and may block, so not sync_job-capable, ever.
1080		1331
1081	=cut	1332	=cut
1082		1333
1083	sub list_logins {	1334	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1335	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1336	or return [];
1086		1337
1087	my @logins;	1338	my @logins;
1088		1339
1089	for my $login (@$dirs) {	1340	for my $login (@$dirs) {
…		…
1124	}	1375	}
1125		1376
1126	\@paths	1377	\@paths
1127	}	1378	}
1128		1379
		1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1381
		1382	Expand crossfire pod fragments into protocol xml.
		1383
		1384	=cut
		1385
		1386	sub expand_cfpod {
		1387	((my $self), (local $_)) = @_;
		1388
		1389	# escape & and <
		1390	s/&/&amp;/g;
		1391	s/(?<![BIUGH])</&lt;/g;
		1392
		1393	# this is buggy, it needs to properly take care of nested <'s
		1394
		1395	1 while
		1396	# replace B<>, I<>, U<> etc.
		1397	s/B<([^\>]*)>/<b>$1<\/b>/
		1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1400	# replace G<male|female> tags
		1401	|| s{G<([^>|]*)\|([^>]*)>}{
		1402	$self->gender ? $2 : $1
		1403	}ge
		1404	# replace H<hint text>
		1405	|| s{H<([^\>]*)>}
		1406	{
		1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1409	"")
		1410	[$self->{hintmode}]
		1411	}ge;
		1412
		1413	# create single paragraphs (very hackish)
		1414	s/(?<=\S)\n(?=\w)/ /g;
		1415
		1416	# compress some whitespace
		1417	1 while s/\s*\n\s*\n\s*/\n/;
		1418
		1419	$_
		1420	}
		1421
		1422	sub hintmode {
		1423	$_[0]{hintmode} = $_[1] if @_ > 1;
		1424	$_[0]{hintmode}
		1425	}
		1426
1129	=item $player->ext_reply ($msgid, %msg)	1427	=item $player->ext_reply ($msgid, %msg)
1130		1428
1131	Sends an ext reply to the player.	1429	Sends an ext reply to the player.
1132		1430
1133	=cut	1431	=cut
1134		1432
1135	sub ext_reply($$%) {	1433	sub ext_reply($$%) {
1136	my ($self, $id, %msg) = @_;	1434	my ($self, $id, %msg) = @_;
1137		1435
1138	$msg{msgid} = $id;	1436	$msg{msgid} = $id;
1139		1437	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1438	}
1142		1439
1143	=item $player->ext_event ($type, %msg)	1440	=item $player->ext_event ($type, %msg)
1144		1441
1145	Sends an ext event to the client.	1442	Sends an ext event to the client.
…		…
1150	my ($self, $type, %msg) = @_;	1447	my ($self, $type, %msg) = @_;
1151		1448
1152	$self->ns->ext_event ($type, %msg);	1449	$self->ns->ext_event ($type, %msg);
1153	}	1450	}
1154		1451
1155	package cf;	1452	=head3 cf::region
		1453
		1454	=over 4
		1455
		1456	=cut
		1457
		1458	package cf::region;
		1459
		1460	=item cf::region::find_by_path $path
		1461
		1462	Tries to decuce the likely region for a map knowing only its path.
		1463
		1464	=cut
		1465
		1466	sub find_by_path($) {
		1467	my ($path) = @_;
		1468
		1469	my ($match, $specificity);
		1470
		1471	for my $region (list) {
		1472	if ($region->match && $path =~ $region->match) {
		1473	($match, $specificity) = ($region, $region->specificity)
		1474	if $region->specificity > $specificity;
		1475	}
		1476	}
		1477
		1478	$match
		1479	}
1156		1480
1157	=back	1481	=back
1158
1159		1482
1160	=head3 cf::map	1483	=head3 cf::map
1161		1484
1162	=over 4	1485	=over 4
1163		1486
…		…
1218	my ($self, $merge) = @_;	1541	my ($self, $merge) = @_;
1219		1542
1220	# we have to keep some variables in memory intact	1543	# we have to keep some variables in memory intact
1221	local $self->{path};	1544	local $self->{path};
1222	local $self->{load_path};	1545	local $self->{load_path};
1223	local $self->{deny_save};
1224	local $self->{deny_reset};
1225		1546
1226	$self->SUPER::thawer_merge ($merge);	1547	$self->SUPER::thawer_merge ($merge);
1227	}	1548	}
1228		1549
1229	sub normalise {	1550	sub normalise {
…		…
1301		1622
1302	# the original (read-only) location	1623	# the original (read-only) location
1303	sub load_path {	1624	sub load_path {
1304	my ($self) = @_;	1625	my ($self) = @_;
1305		1626
1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1627	"$MAPDIR/$self->{path}.map"
1307	}	1628	}
1308		1629
1309	# the temporary/swap location	1630	# the temporary/swap location
1310	sub save_path {	1631	sub save_path {
1311	my ($self) = @_;	1632	my ($self) = @_;
1312		1633
1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1634	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1635	"$TMPDIR/$path.map"
1315	}	1636	}
1316		1637
1317	# the unique path, undef == no special unique path	1638	# the unique path, undef == no special unique path
1318	sub uniq_path {	1639	sub uniq_path {
1319	my ($self) = @_;	1640	my ($self) = @_;
1320		1641
1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1642	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1643	"$UNIQUEDIR/$path"
1323	}	1644	}
1324		1645
1325	# and all this just because we cannot iterate over	1646	# and all this just because we cannot iterate over
1326	# all maps in C++...	1647	# all maps in C++...
1327	sub change_all_map_light {	1648	sub change_all_map_light {
1328	my ($change) = @_;	1649	my ($change) = @_;
1329		1650
1330	$_->change_map_light ($change)	1651	$_->change_map_light ($change)
1331	for grep $_->outdoor, values %cf::MAP;	1652	for grep $_->outdoor, values %cf::MAP;
		1653	}
		1654
		1655	sub decay_objects {
		1656	my ($self) = @_;
		1657
		1658	return if $self->{deny_reset};
		1659
		1660	$self->do_decay_objects;
1332	}	1661	}
1333		1662
1334	sub unlink_save {	1663	sub unlink_save {
1335	my ($self) = @_;	1664	my ($self) = @_;
1336		1665
…		…
1394	$self->load_header_orig	1723	$self->load_header_orig
1395	or return;	1724	or return;
1396	$self->prepare_orig;	1725	$self->prepare_orig;
1397	}	1726	}
1398		1727
		1728	$self->{deny_reset} = 1
		1729	if $self->no_reset;
		1730
		1731	$self->default_region (cf::region::find_by_path $self->{path})
		1732	unless $self->default_region;
		1733
1399	1	1734	1
1400	}	1735	}
1401		1736
1402	sub find;	1737	sub find;
1403	sub find {	1738	sub find {
…		…
1415	$map->{last_save} = $cf::RUNTIME;	1750	$map->{last_save} = $cf::RUNTIME;
1416		1751
1417	$map->load_header	1752	$map->load_header
1418	or return;	1753	or return;
1419		1754
1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1755	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421	# doing this can freeze the server in a sync job, obviously	1756	# doing this can freeze the server in a sync job, obviously
1422	#$cf::WAIT_FOR_TICK->wait;	1757	#$cf::WAIT_FOR_TICK->wait;
1423	$map->reset;	1758	$map->reset;
1424	undef $guard;	1759	undef $guard;
1425	return find $path;	1760	return find $path;
…		…
1436	my ($self) = @_;	1771	my ($self) = @_;
1437		1772
1438	local $self->{deny_reset} = 1; # loading can take a long time	1773	local $self->{deny_reset} = 1; # loading can take a long time
1439		1774
1440	my $path = $self->{path};	1775	my $path = $self->{path};
		1776
		1777	{
1441	my $guard = cf::lock_acquire "map_load:$path";	1778	my $guard = cf::lock_acquire "map_load:$path";
1442		1779
1443	return if $self->in_memory != cf::MAP_SWAPPED;	1780	return if $self->in_memory != cf::MAP_SWAPPED;
1444		1781
1445	$self->in_memory (cf::MAP_LOADING);	1782	$self->in_memory (cf::MAP_LOADING);
1446		1783
1447	$self->alloc;	1784	$self->alloc;
1448		1785
1449	$self->pre_load;	1786	$self->pre_load;
1450
1451	$self->_load_objects ($self->{load_path}, 1)
1452	or return;
1453
1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1455	if delete $self->{load_original};
1456
1457	if (my $uniq = $self->uniq_path) {
1458	utf8::encode $uniq;
1459	if (aio_open $uniq, O_RDONLY, 0) {
1460	$self->clear_unique_items;
1461	$self->_load_objects ($uniq, 0);
1462	}
1463	}
1464
1465	Coro::cede;
1466
1467	# now do the right thing for maps
1468	$self->link_multipart_objects;
1469
1470	unless ($self->{deny_activate}) {
1471	$self->decay_objects;
1472	$self->fix_auto_apply;
1473	$self->update_buttons;
1474	Coro::cede;	1787	Coro::cede;
1475	$self->set_darkness_map;	1788
		1789	$self->_load_objects ($self->{load_path}, 1)
		1790	or return;
		1791
		1792	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1793	if delete $self->{load_original};
		1794
		1795	if (my $uniq = $self->uniq_path) {
		1796	utf8::encode $uniq;
		1797	if (aio_open $uniq, O_RDONLY, 0) {
		1798	$self->clear_unique_items;
		1799	$self->_load_objects ($uniq, 0);
		1800	}
		1801	}
		1802
		1803	Coro::cede;
		1804	# now do the right thing for maps
		1805	$self->link_multipart_objects;
1476	$self->difficulty ($self->estimate_difficulty)	1806	$self->difficulty ($self->estimate_difficulty)
1477	unless $self->difficulty;	1807	unless $self->difficulty;
1478	Coro::cede;	1808	Coro::cede;
		1809
		1810	unless ($self->{deny_activate}) {
		1811	$self->decay_objects;
		1812	$self->fix_auto_apply;
		1813	$self->update_buttons;
		1814	Coro::cede;
		1815	$self->set_darkness_map;
		1816	Coro::cede;
1479	$self->activate;	1817	$self->activate;
		1818	}
		1819
		1820	$self->in_memory (cf::MAP_IN_MEMORY);
1480	}	1821	}
1481		1822
1482	$self->post_load;	1823	$self->post_load;
1483
1484	$self->in_memory (cf::MAP_IN_MEMORY);
1485	}	1824	}
1486		1825
1487	sub customise_for {	1826	sub customise_for {
1488	my ($self, $ob) = @_;	1827	my ($self, $ob) = @_;
1489		1828
1490	return find "~" . $ob->name . "/" . $self->{path}	1829	return find "~" . $ob->name . "/" . $self->{path}
1491	if $self->per_player;	1830	if $self->per_player;
		1831
		1832	# return find "?party/" . $ob->name . "/" . $self->{path}
		1833	# if $self->per_party;
1492		1834
1493	$self	1835	$self
1494	}	1836	}
1495		1837
1496	# find and load all maps in the 3x3 area around a map	1838	# find and load all maps in the 3x3 area around a map
…		…
1607		1949
1608	sub reset_at {	1950	sub reset_at {
1609	my ($self) = @_;	1951	my ($self) = @_;
1610		1952
1611	# TODO: safety, remove and allow resettable per-player maps	1953	# TODO: safety, remove and allow resettable per-player maps
1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1613	return 1e99 if $self->{deny_reset};	1954	return 1e99 if $self->{deny_reset};
1614		1955
1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1956	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1957	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617		1958
…		…
1628	my ($self) = @_;	1969	my ($self) = @_;
1629		1970
1630	my $lock = cf::lock_acquire "map_data:$self->{path}";	1971	my $lock = cf::lock_acquire "map_data:$self->{path}";
1631		1972
1632	return if $self->players;	1973	return if $self->players;
1633	return if $self->isa ("ext::map_per_player");#d#
1634		1974
1635	warn "resetting map ", $self->path;#d#	1975	warn "resetting map ", $self->path;
1636		1976
1637	$self->in_memory (cf::MAP_SWAPPED);	1977	$self->in_memory (cf::MAP_SWAPPED);
1638		1978
1639	# need to save uniques path	1979	# need to save uniques path
1640	unless ($self->{deny_save}) {	1980	unless ($self->{deny_save}) {
…		…
1672	$cf::MAP{$self->path} = $self;	2012	$cf::MAP{$self->path} = $self;
1673		2013
1674	$self->reset; # polite request, might not happen	2014	$self->reset; # polite request, might not happen
1675	}	2015	}
1676		2016
		2017	=item $maps = cf::map::tmp_maps
		2018
		2019	Returns an arrayref with all map paths of currently instantiated and saved
		2020	maps. May block.
		2021
		2022	=cut
		2023
		2024	sub tmp_maps() {
		2025	[
		2026	map {
		2027	utf8::decode $_;
		2028	/\.map$/
		2029	? normalise $_
		2030	: ()
		2031	} @{ aio_readdir $TMPDIR or [] }
		2032	]
		2033	}
		2034
		2035	=item $maps = cf::map::random_maps
		2036
		2037	Returns an arrayref with all map paths of currently instantiated and saved
		2038	random maps. May block.
		2039
		2040	=cut
		2041
		2042	sub random_maps() {
		2043	[
		2044	map {
		2045	utf8::decode $_;
		2046	/\.map$/
		2047	? normalise "?random/$_"
		2048	: ()
		2049	} @{ aio_readdir $RANDOMDIR or [] }
		2050	]
		2051	}
		2052
1677	=item cf::map::unique_maps	2053	=item cf::map::unique_maps
1678		2054
1679	Returns an arrayref of paths of all shared maps that have	2055	Returns an arrayref of paths of all shared maps that have
1680	instantiated unique items. May block.	2056	instantiated unique items. May block.
1681		2057
1682	=cut	2058	=cut
1683		2059
1684	sub unique_maps() {	2060	sub unique_maps() {
1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2061	[
1686	or return;	2062	map {
1687
1688	my @paths;
1689
1690	for (@$files) {
1691	utf8::decode $_;	2063	utf8::decode $_;
1692	next if /\.pst$/;	2064	/\.map$/
1693	next unless /^$PATH_SEP/o;	2065	? normalise $_
1694		2066	: ()
1695	push @paths, cf::map::normalise $_;	2067	} @{ aio_readdir $UNIQUEDIR or [] }
1696	}	2068	]
1697
1698	\@paths
1699	}	2069	}
1700		2070
1701	package cf;	2071	package cf;
1702		2072
1703	=back	2073	=back
…		…
1749		2119
1750	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2120	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751		2121
1752	if ($self->{record_replies}) {	2122	if ($self->{record_replies}) {
1753	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2123	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2124
1754	} else {	2125	} else {
		2126	my $pl = $self->contr;
		2127
		2128	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2129	my $diag = $pl->{npc_dialog};
		2130	$diag->{pl}->ext_reply (
		2131	$diag->{id},
		2132	msgtype => "reply",
		2133	msg => $diag->{pl}->expand_cfpod ($msg),
		2134	add_topics => []
		2135	);
		2136
		2137	} else {
1755	$msg = $npc->name . " says: $msg" if $npc;	2138	$msg = $npc->name . " says: $msg" if $npc;
1756	$self->message ($msg, $flags);	2139	$self->message ($msg, $flags);
		2140	}
1757	}	2141	}
1758	}	2142	}
1759		2143
1760	=item $player_object->may ("access")	2144	=item $player_object->may ("access")
1761		2145
…		…
1809	$self->deactivate_recursive;	2193	$self->deactivate_recursive;
1810		2194
1811	return if UNIVERSAL::isa $self->map, "ext::map_link";	2195	return if UNIVERSAL::isa $self->map, "ext::map_link";
1812		2196
1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2197	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814	if $self->map;	2198	if $self->map && $self->map->{path} ne "{link}";
1815		2199
1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2200	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1817	}	2201	}
1818		2202
1819	sub cf::object::player::leave_link {	2203	sub cf::object::player::leave_link {
1820	my ($self, $map, $x, $y) = @_;	2204	my ($self, $map, $x, $y) = @_;
		2205
		2206	return unless $self->contr->active;
1821		2207
1822	my $link_pos = delete $self->{_link_pos};	2208	my $link_pos = delete $self->{_link_pos};
1823		2209
1824	unless ($map) {	2210	unless ($map) {
1825	# restore original map position	2211	# restore original map position
…		…
1848		2234
1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2235	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850	$self->enter_map ($map, $x, $y);	2236	$self->enter_map ($map, $x, $y);
1851	}	2237	}
1852		2238
1853	cf::player->attach (
1854	on_logout => sub {
1855	my ($pl) = @_;
1856
1857	# abort map switching before logout
1858	if ($pl->ob->{_link_pos}) {
1859	cf::sync_job {
1860	$pl->ob->leave_link
1861	};
1862	}
1863	},
1864	on_login => sub {
1865	my ($pl) = @_;
1866
1867	# try to abort aborted map switching on player login :)
1868	# should happen only on crashes
1869	if ($pl->ob->{_link_pos}) {
1870	$pl->ob->enter_link;
1871	(async {
1872	$pl->ob->reply (undef,
1873	"There was an internal problem at your last logout, "
1874	. "the server will try to bring you to your intended destination in a second.",
1875	cf::NDI_RED);
1876	# we need this sleep as the login has a concurrent enter_exit running
1877	# and this sleep increases chances of the player not ending up in scorn
1878	Coro::Timer::sleep 1;
1879	$pl->ob->leave_link;
1880	})->prio (2);
1881	}
1882	},
1883	);
1884
1885	=item $player_object->goto ($path, $x, $y)	2239	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1886		2240
		2241	Moves the player to the given map-path and coordinates by first freezing
		2242	her, loading and preparing them map, calling the provided $check callback
		2243	that has to return the map if sucecssful, and then unfreezes the player on
		2244	the new (success) or old (failed) map position.
		2245
1887	=cut	2246	=cut
		2247
		2248	our $GOTOGEN;
1888		2249
1889	sub cf::object::player::goto {	2250	sub cf::object::player::goto {
1890	my ($self, $path, $x, $y) = @_;	2251	my ($self, $path, $x, $y, $check) = @_;
		2252
		2253	# do generation counting so two concurrent goto's will be executed in-order
		2254	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1891		2255
1892	$self->enter_link;	2256	$self->enter_link;
1893		2257
1894	(async {	2258	(async {
1895	my $map = eval {	2259	my $map = eval {
1896	my $map = cf::map::find $path;	2260	my $map = cf::map::find $path;
		2261
		2262	if ($map) {
1897	$map = $map->customise_for ($self) if $map;	2263	$map = $map->customise_for ($self);
		2264	$map = $check->($map) if $check && $map;
		2265	} else {
		2266	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2267	}
		2268
1898	$map	2269	$map
		2270	};
		2271
		2272	if ($@) {
		2273	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2274	LOG llevError | logBacktrace, Carp::longmess $@;
1899	} or	2275	}
1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901		2276
		2277	if ($gen == $self->{_goto_generation}) {
		2278	delete $self->{_goto_generation};
1902	$self->leave_link ($map, $x, $y);	2279	$self->leave_link ($map, $x, $y);
		2280	}
1903	})->prio (1);	2281	})->prio (1);
1904	}	2282	}
1905		2283
1906	=item $player_object->enter_exit ($exit_object)	2284	=item $player_object->enter_exit ($exit_object)
1907		2285
…		…
1946		2324
1947	$rmp->{random_seed} ||= $exit->random_seed;	2325	$rmp->{random_seed} ||= $exit->random_seed;
1948		2326
1949	my $data = cf::to_json $rmp;	2327	my $data = cf::to_json $rmp;
1950	my $md5 = Digest::MD5::md5_hex $data;	2328	my $md5 = Digest::MD5::md5_hex $data;
1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2329	my $meta = "$RANDOMDIR/$md5.meta";
1952		2330
1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2331	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954	aio_write $fh, 0, (length $data), $data, 0;	2332	aio_write $fh, 0, (length $data), $data, 0;
1955	undef $fh;	2333	undef $fh;
1956	aio_rename "$meta~", $meta;	2334	aio_rename "$meta~", $meta;
…		…
1965		2343
1966	return unless $self->type == cf::PLAYER;	2344	return unless $self->type == cf::PLAYER;
1967		2345
1968	if ($exit->slaying eq "/!") {	2346	if ($exit->slaying eq "/!") {
1969	#TODO: this should de-fi-ni-te-ly not be a sync-job	2347	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2348	# the problem is that $exit might not survive long enough
		2349	# so it needs to be done right now, right here
1970	cf::sync_job { prepare_random_map $exit };	2350	cf::sync_job { prepare_random_map $exit };
1971	}	2351	}
1972		2352
1973	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2353	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1974	my $hp = $exit->stats->hp;	2354	my $hp = $exit->stats->hp;
…		…
1982	$self->goto ($slaying, $hp, $sp);	2362	$self->goto ($slaying, $hp, $sp);
1983		2363
1984	1;	2364	1;
1985	}) {	2365	}) {
1986	$self->message ("Something went wrong deep within the crossfire server. "	2366	$self->message ("Something went wrong deep within the crossfire server. "
1987	. "I'll try to bring you back to the map you were before. "	2367	. "I'll try to bring you back to the map you were before. "
1988	. "Please report this to the dungeon master!",	2368	. "Please report this to the dungeon master!",
1989	cf::NDI_UNIQUE | cf::NDI_RED);	2369	cf::NDI_UNIQUE | cf::NDI_RED);
1990		2370
1991	warn "ERROR in enter_exit: $@";	2371	warn "ERROR in enter_exit: $@";
1992	$self->leave_link;	2372	$self->leave_link;
1993	}	2373	}
1994	})->prio (1);	2374	})->prio (1);
…		…
2010		2390
2011	utf8::encode $text;	2391	utf8::encode $text;
2012	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2392	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2013	}	2393	}
2014		2394
		2395	=item $client->send_msg ($color, $type, $msg, [extra...])
		2396
		2397	Send a drawinfo or msg packet to the client, formatting the msg for the
		2398	client if neccessary. C<$type> should be a string identifying the type of
		2399	the message, with C<log> being the default. If C<$color> is negative, suppress
		2400	the message unless the client supports the msg packet.
		2401
		2402	=cut
		2403
		2404	sub cf::client::send_msg {
		2405	my ($self, $color, $type, $msg, @extra) = @_;
		2406
		2407	$msg = $self->pl->expand_cfpod ($msg);
		2408
		2409	if ($self->can_msg) {
		2410	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2411	} else {
		2412	# replace some tags by gcfclient-compatible ones
		2413	for ($msg) {
		2414	1 while
		2415	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2416	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2417	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2418	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2419	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2420	}
		2421
		2422	if ($color >= 0) {
		2423	if (0 && $msg =~ /\[/) {
		2424	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2425	} else {
		2426	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2427	$self->send_packet ("drawinfo $color $msg")
		2428	}
		2429	}
		2430	}
		2431	}
		2432
2015	=item $client->ext_event ($type, %msg)	2433	=item $client->ext_event ($type, %msg)
2016		2434
2017	Sends an exti event to the client.	2435	Sends an ext event to the client.
2018		2436
2019	=cut	2437	=cut
2020		2438
2021	sub cf::client::ext_event($$%) {	2439	sub cf::client::ext_event($$%) {
2022	my ($self, $type, %msg) = @_;	2440	my ($self, $type, %msg) = @_;
2023		2441
2024	$msg{msgtype} = "event_$type";	2442	$msg{msgtype} = "event_$type";
2025	$self->send_packet ("ext " . cf::to_json \%msg);	2443	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2026	}	2444	}
2027		2445
2028	=item $success = $client->query ($flags, "text", \&cb)	2446	=item $success = $client->query ($flags, "text", \&cb)
2029		2447
2030	Queues a query to the client, calling the given callback with	2448	Queues a query to the client, calling the given callback with
2031	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2449	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2032	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2450	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2033		2451
2034	Queries can fail, so check the return code. Or don't, as queries will become	2452	Queries can fail, so check the return code. Or don't, as queries will
2035	reliable at some point in the future.	2453	become reliable at some point in the future.
2036		2454
2037	=cut	2455	=cut
2038		2456
2039	sub cf::client::query {	2457	sub cf::client::query {
2040	my ($self, $flags, $text, $cb) = @_;	2458	my ($self, $flags, $text, $cb) = @_;
…		…
2048	utf8::encode $text;	2466	utf8::encode $text;
2049	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2467	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2050		2468
2051	$self->send_packet ($self->{query_queue}[0][0])	2469	$self->send_packet ($self->{query_queue}[0][0])
2052	if @{ $self->{query_queue} } == 1;	2470	if @{ $self->{query_queue} } == 1;
		2471
		2472	1
2053	}	2473	}
2054		2474
2055	cf::client->attach (	2475	cf::client->attach (
		2476	on_connect => sub {
		2477	my ($ns) = @_;
		2478
		2479	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2480	},
2056	on_reply => sub {	2481	on_reply => sub {
2057	my ($ns, $msg) = @_;	2482	my ($ns, $msg) = @_;
2058		2483
2059	# this weird shuffling is so that direct followup queries	2484	# this weird shuffling is so that direct followup queries
2060	# get handled first	2485	# get handled first
…		…
2071	$ns->send_packet ($ns->{query_queue}[0][0]);	2496	$ns->send_packet ($ns->{query_queue}[0][0]);
2072	} else {	2497	} else {
2073	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2498	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2074	}	2499	}
2075	}	2500	}
		2501	},
		2502	on_exticmd => sub {
		2503	my ($ns, $buf) = @_;
		2504
		2505	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2506
		2507	if (ref $msg) {
		2508	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2509	if (my %reply = $cb->($ns, $msg)) {
		2510	$reply{msgid} = $msg->{msgid};
		2511	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2512	}
		2513	}
		2514	} else {
		2515	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2516	}
		2517
		2518	cf::override;
2076	},	2519	},
2077	);	2520	);
2078		2521
2079	=item $client->async (\&cb)	2522	=item $client->async (\&cb)
2080		2523
…		…
2219	=back	2662	=back
2220		2663
2221	=cut	2664	=cut
2222		2665
2223	#############################################################################	2666	#############################################################################
2224
2225	=head2 EXTENSION DATABASE SUPPORT
2226
2227	Crossfire maintains a very simple database for extension use. It can
2228	currently store anything that can be serialised using Storable, which
2229	excludes objects.
2230
2231	The parameter C<$family> should best start with the name of the extension
2232	using it, it should be unique.
2233
2234	=over 4
2235
2236	=item $value = cf::db_get $family => $key
2237
2238	Returns a single value from the database.
2239
2240	=item cf::db_put $family => $key => $value
2241
2242	Stores the given C<$value> in the family.
2243
2244	=cut
2245
2246	our $DB;
2247
2248	sub db_init {
2249	unless ($DB) {
2250	$DB = BDB::db_create $DB_ENV;
2251
2252	cf::sync_job {
2253	eval {
2254	$DB->set_flags (BDB::CHKSUM);
2255
2256	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2257	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2258	cf::cleanup "db_open(db): $!" if $!;
2259	};
2260	cf::cleanup "db_open(db): $@" if $@;
2261	};
2262
2263	my $path = cf::localdir . "/database.pst";
2264	if (stat $path) {
2265	cf::sync_job {
2266	my $pst = Storable::retrieve $path;
2267
2268	cf::db_put (board => data => $pst->{board});
2269	cf::db_put (guildrules => data => $pst->{guildrules});
2270	cf::db_put (rent => balance => $pst->{rent}{balance});
2271	BDB::db_env_txn_checkpoint $DB_ENV;
2272
2273	unlink $path;
2274	};
2275	}
2276	}
2277	}
2278
2279	sub db_get($$) {
2280	my $key = "$_[0]/$_[1]";
2281
2282	cf::sync_job {
2283	BDB::db_get $DB, undef, $key, my $data;
2284
2285	$! ? ()
2286	: Compress::LZF::sthaw $data
2287	}
2288	}
2289
2290	sub db_put($$$) {
2291	BDB::dbreq_pri 4;
2292	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2293	}
2294
2295	#############################################################################
2296	# the server's init and main functions	2667	# the server's init and main functions
2297		2668
2298	sub load_facedata {	2669	sub load_facedata($) {
2299	my $path = sprintf "%s/facedata", cf::datadir;	2670	my ($path) = @_;
2300		2671
2301	warn "loading facedata from $path\n";	2672	warn "loading facedata from $path\n";
2302		2673
2303	my $faces;	2674	my $facedata;
2304	0 < aio_load $path, $faces	2675	0 < aio_load $path, $facedata
2305	or die "$path: $!";	2676	or die "$path: $!";
2306		2677
2307	Coro::cede;
2308	$faces = Storable::thaw $faces;	2678	$facedata = Coro::Storable::thaw $facedata;
2309	Coro::cede;
2310		2679
2311	my $meta = delete $faces->{""};
2312	$meta->{version} == 1	2680	$facedata->{version} == 2
2313	or cf::cleanup "$path: version mismatch, cannot proceed.";	2681	or cf::cleanup "$path: version mismatch, cannot proceed.";
2314		2682
		2683	{
		2684	my $faces = $facedata->{faceinfo};
		2685
2315	while (my ($face, $info) = each %$faces) {	2686	while (my ($face, $info) = each %$faces) {
2316	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2687	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2317	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2688	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2689	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2690	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2320	Coro::cede;	2691	Coro::cede;
2321	}	2692	}
2322		2693
2323	while (my ($face, $info) = each %$faces) {	2694	while (my ($face, $info) = each %$faces) {
2324	next unless $info->{smooth};	2695	next unless $info->{smooth};
2325	my $idx = cf::face::find $face	2696	my $idx = cf::face::find $face
2326	or next;	2697	or next;
2327	if (my $smooth = cf::face::find $info->{smooth}) {	2698	if (my $smooth = cf::face::find $info->{smooth}) {
2328	cf::face::set_smooth $idx, $smooth;	2699	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2329	} else {	2700	} else {
2330	warn "smooth face '$info->{smooth}' not found for face '$face'";	2701	warn "smooth face '$info->{smooth}' not found for face '$face'";
2331	}	2702	}
2332	Coro::cede;	2703	Coro::cede;
		2704	}
		2705	}
		2706
		2707	{
		2708	my $anims = $facedata->{animinfo};
		2709
		2710	while (my ($anim, $info) = each %$anims) {
		2711	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2712	Coro::cede;
		2713	}
		2714
		2715	cf::anim::invalidate_all; # d'oh
2333	}	2716	}
2334		2717
2335	1	2718	1
2336	}	2719	}
2337		2720
		2721	sub reload_regions {
		2722	load_resource_file "$MAPDIR/regions"
		2723	or die "unable to load regions file\n";
		2724	}
		2725
		2726	sub reload_facedata {
		2727	load_facedata "$DATADIR/facedata"
		2728	or die "unable to load facedata\n";
		2729	}
		2730
		2731	sub reload_archetypes {
		2732	load_resource_file "$DATADIR/archetypes"
		2733	or die "unable to load archetypes\n";
		2734	#d# NEED to laod twice to resolve forward references
		2735	# this really needs to be done in an extra post-pass
		2736	# (which needs to be synchronous, so solve it differently)
		2737	load_resource_file "$DATADIR/archetypes"
		2738	or die "unable to load archetypes\n";
		2739	}
		2740
		2741	sub reload_treasures {
		2742	load_resource_file "$DATADIR/treasures"
		2743	or die "unable to load treasurelists\n";
		2744	}
		2745
2338	sub reload_resources {	2746	sub reload_resources {
2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2747	warn "reloading resource files...\n";
2340	or die "unable to load regions file\n";#d#	2748
		2749	reload_regions;
2341	load_facedata	2750	reload_facedata;
2342	or die "unable to load facedata\n";#d#	2751	#reload_archetypes;#d#
		2752	reload_archetypes;
		2753	reload_treasures;
		2754
		2755	warn "finished reloading resource files\n";
2343	}	2756	}
2344		2757
2345	sub init {	2758	sub init {
2346	reload_resources;	2759	reload_resources;
2347	}	2760	}
2348		2761
2349	sub cfg_load {	2762	sub cfg_load {
2350	open my $fh, "<:utf8", cf::confdir . "/config"	2763	open my $fh, "<:utf8", "$CONFDIR/config"
2351	or return;	2764	or return;
2352		2765
2353	local $/;	2766	local $/;
2354	*CFG = YAML::Syck::Load <$fh>;	2767	*CFG = YAML::Syck::Load <$fh>;
2355		2768
…		…
2400	},	2813	},
2401	);	2814	);
2402	}	2815	}
2403	}	2816	}
2404		2817
		2818	sub write_runtime {
		2819	my $runtime = "$LOCALDIR/runtime";
		2820
		2821	# first touch the runtime file to show we are still running:
		2822	# the fsync below can take a very very long time.
		2823
		2824	IO::AIO::aio_utime $runtime, undef, undef;
		2825
		2826	my $guard = cf::lock_acquire "write_runtime";
		2827
		2828	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2829	or return;
		2830
		2831	my $value = $cf::RUNTIME + 90 + 10;
		2832	# 10 is the runtime save interval, for a monotonic clock
		2833	# 60 allows for the watchdog to kill the server.
		2834
		2835	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2836	and return;
		2837
		2838	# always fsync - this file is important
		2839	aio_fsync $fh
		2840	and return;
		2841
		2842	# touch it again to show we are up-to-date
		2843	aio_utime $fh, undef, undef;
		2844
		2845	close $fh
		2846	or return;
		2847
		2848	aio_rename "$runtime~", $runtime
		2849	and return;
		2850
		2851	warn "runtime file written.\n";
		2852
		2853	1
		2854	}
		2855
2405	sub emergency_save() {	2856	sub emergency_save() {
2406	my $freeze_guard = cf::freeze_mainloop;	2857	my $freeze_guard = cf::freeze_mainloop;
2407		2858
2408	warn "enter emergency perl save\n";	2859	warn "enter emergency perl save\n";
2409		2860
…		…
2440		2891
2441	warn Carp::longmess "post_cleanup backtrace"	2892	warn Carp::longmess "post_cleanup backtrace"
2442	if $make_core;	2893	if $make_core;
2443	}	2894	}
2444		2895
2445	sub reload() {	2896	sub do_reload_perl() {
2446	# can/must only be called in main	2897	# can/must only be called in main
2447	if ($Coro::current != $Coro::main) {	2898	if ($Coro::current != $Coro::main) {
2448	warn "can only reload from main coroutine";	2899	warn "can only reload from main coroutine";
2449	return;	2900	return;
2450	}	2901	}
…		…
2484	%EXT_CORO = ();	2935	%EXT_CORO = ();
2485		2936
2486	warn "removing commands";	2937	warn "removing commands";
2487	%COMMAND = ();	2938	%COMMAND = ();
2488		2939
2489	warn "removing ext commands";	2940	warn "removing ext/exti commands";
2490	%EXTCMD = ();	2941	%EXTCMD = ();
		2942	%EXTICMD = ();
2491		2943
2492	warn "unloading/nuking all extensions";	2944	warn "unloading/nuking all extensions";
2493	for my $pkg (@EXTS) {	2945	for my $pkg (@EXTS) {
2494	warn "... unloading $pkg";	2946	warn "... unloading $pkg";
2495		2947
…		…
2525	Symbol::delete_package "safe::$_"	2977	Symbol::delete_package "safe::$_"
2526	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2978	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2527		2979
2528	warn "unloading cf.pm \"a bit\"";	2980	warn "unloading cf.pm \"a bit\"";
2529	delete $INC{"cf.pm"};	2981	delete $INC{"cf.pm"};
		2982	delete $INC{"cf/pod.pm"};
2530		2983
2531	# don't, removes xs symbols, too,	2984	# don't, removes xs symbols, too,
2532	# and global variables created in xs	2985	# and global variables created in xs
2533	#Symbol::delete_package __PACKAGE__;	2986	#Symbol::delete_package __PACKAGE__;
2534		2987
…		…
2549	warn "reattaching attachments to maps";	3002	warn "reattaching attachments to maps";
2550	reattach $_ for values %MAP;	3003	reattach $_ for values %MAP;
2551	warn "reattaching attachments to players";	3004	warn "reattaching attachments to players";
2552	reattach $_ for values %PLAYER;	3005	reattach $_ for values %PLAYER;
2553		3006
2554	warn "loading reloadable resources";
2555	reload_resources;
2556
2557	warn "leaving sync_job";	3007	warn "leaving sync_job";
2558		3008
2559	1	3009	1
2560	} or do {	3010	} or do {
2561	warn $@;	3011	warn $@;
…		…
2566	warn "reloaded";	3016	warn "reloaded";
2567	};	3017	};
2568		3018
2569	our $RELOAD_WATCHER; # used only during reload	3019	our $RELOAD_WATCHER; # used only during reload
2570		3020
		3021	sub reload_perl() {
		3022	# doing reload synchronously and two reloads happen back-to-back,
		3023	# coro crashes during coro_state_free->destroy here.
		3024
		3025	$RELOAD_WATCHER ||= Event->timer (
		3026	reentrant => 0,
		3027	after => 0,
		3028	data => WF_AUTOCANCEL,
		3029	cb => sub {
		3030	do_reload_perl;
		3031	undef $RELOAD_WATCHER;
		3032	},
		3033	);
		3034	}
		3035
2571	register_command "reload" => sub {	3036	register_command "reload" => sub {
2572	my ($who, $arg) = @_;	3037	my ($who, $arg) = @_;
2573		3038
2574	if ($who->flag (FLAG_WIZ)) {	3039	if ($who->flag (FLAG_WIZ)) {
2575	$who->message ("reloading server.");	3040	$who->message ("reloading server.");
2576		3041	async { reload_perl };
2577	# doing reload synchronously and two reloads happen back-to-back,
2578	# coro crashes during coro_state_free->destroy here.
2579
2580	$RELOAD_WATCHER ||= Event->timer (
2581	reentrant => 0,
2582	after => 0,
2583	data => WF_AUTOCANCEL,
2584	cb => sub {
2585	reload;
2586	undef $RELOAD_WATCHER;
2587	},
2588	);
2589	}	3042	}
2590	};	3043	};
2591		3044
2592	unshift @INC, $LIBDIR;	3045	unshift @INC, $LIBDIR;
2593		3046
2594	my $bug_warning = 0;	3047	my $bug_warning = 0;
2595		3048
		3049	our @WAIT_FOR_TICK;
		3050	our @WAIT_FOR_TICK_BEGIN;
		3051
		3052	sub wait_for_tick {
		3053	return unless $TICK_WATCHER->is_active;
		3054	return if $Coro::current == $Coro::main;
		3055
		3056	my $signal = new Coro::Signal;
		3057	push @WAIT_FOR_TICK, $signal;
		3058	$signal->wait;
		3059	}
		3060
		3061	sub wait_for_tick_begin {
		3062	return unless $TICK_WATCHER->is_active;
		3063	return if $Coro::current == $Coro::main;
		3064
		3065	my $signal = new Coro::Signal;
		3066	push @WAIT_FOR_TICK_BEGIN, $signal;
		3067	$signal->wait;
		3068	}
		3069
		3070	my $min = 1e6;#d#
		3071	my $avg = 10;
2596	$TICK_WATCHER = Event->timer (	3072	$TICK_WATCHER = Event->timer (
2597	reentrant => 0,	3073	reentrant => 0,
2598	parked => 1,	3074	parked => 1,
2599	prio => 0,	3075	prio => 0,
2600	at => $NEXT_TICK || $TICK,	3076	at => $NEXT_TICK || $TICK,
…		…
2604	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3080	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2605	unless ++$bug_warning > 10;	3081	unless ++$bug_warning > 10;
2606	return;	3082	return;
2607	}	3083	}
2608		3084
2609	$NOW = Event::time;	3085	$NOW = $tick_start = Event::time;
2610		3086
2611	cf::server_tick; # one server iteration	3087	cf::server_tick; # one server iteration
		3088
		3089	0 && sync_job {#d#
		3090	for(1..10) {
		3091	my $t = Event::time;
		3092	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3093	or die;
		3094
		3095	$map->width (50);
		3096	$map->height (50);
		3097	$map->alloc;
		3098	$map->_load_objects ("/tmp/x.map", 1);
		3099	my $t = Event::time - $t;
		3100
		3101	#next unless $t < 0.0013;#d#
		3102	if ($t < $min) {
		3103	$min = $t;
		3104	}
		3105	$avg = $avg * 0.99 + $t * 0.01;
		3106	}
		3107	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3108	exit 0;
		3109	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3110	};
		3111
2612	$RUNTIME += $TICK;	3112	$RUNTIME += $TICK;
2613	$NEXT_TICK += $TICK;	3113	$NEXT_TICK += $TICK;
2614		3114
2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3115	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2616	$NEXT_RUNTIME_WRITE = $NOW + 10;	3116	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2618	write_runtime	3118	write_runtime
2619	or warn "ERROR: unable to write runtime file: $!";	3119	or warn "ERROR: unable to write runtime file: $!";
2620	};	3120	};
2621	}	3121	}
2622		3122
2623	$WAIT_FOR_TICK->broadcast;
2624	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2625
2626	# my $AFTER = Event::time;	3123	# my $AFTER = Event::time;
2627	# warn $AFTER - $NOW;#d#	3124	# warn $AFTER - $NOW;#d#
2628		3125
		3126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3127	$sig->send;
		3128	}
		3129	while (my $sig = shift @WAIT_FOR_TICK) {
		3130	$sig->send;
		3131	}
		3132
		3133	$NOW = Event::time;
		3134
2629	# if we are delayed by four ticks or more, skip them all	3135	# if we are delayed by four ticks or more, skip them all
2630	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3136	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2631		3137
2632	$TICK_WATCHER->at ($NEXT_TICK);	3138	$TICK_WATCHER->at ($NEXT_TICK);
2633	$TICK_WATCHER->start;	3139	$TICK_WATCHER->start;
		3140
		3141	$LOAD = ($NOW - $tick_start) / $TICK;
		3142	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3143
		3144	_post_tick;
		3145
		3146
2634	},	3147	},
2635	);	3148	);
2636		3149
2637	{	3150	{
2638	BDB::max_poll_time $TICK * 0.1;	3151	BDB::max_poll_time $TICK * 0.1;
…		…
2666		3179
2667	cf::sync_job {	3180	cf::sync_job {
2668	eval {	3181	eval {
2669	BDB::db_env_open	3182	BDB::db_env_open
2670	$DB_ENV,	3183	$DB_ENV,
2671	$BDB_ENV_DIR,	3184	$BDBDIR,
2672	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3185	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2673	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3186	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2674	0666;	3187	0666;
2675		3188
2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3189	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2677		3190
2678	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3191	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2679	$DB_ENV->set_lk_detect;	3192	$DB_ENV->set_lk_detect;
2680	};	3193	};
2681		3194
…		…
2697	prio => 6,	3210	prio => 6,
2698	cb => \&IO::AIO::poll_cb,	3211	cb => \&IO::AIO::poll_cb,
2699	);	3212	);
2700	}	3213	}
2701		3214
		3215	my $_log_backtrace;
		3216
		3217	sub _log_backtrace {
		3218	my ($msg, @addr) = @_;
		3219
		3220	$msg =~ s/\n//;
		3221
		3222	# limit the # of concurrent backtraces
		3223	if ($_log_backtrace < 2) {
		3224	++$_log_backtrace;
		3225	async {
		3226	my @bt = fork_call {
		3227	@addr = map { sprintf "%x", $_ } @addr;
		3228	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3229	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3230	or die "addr2line: $!";
		3231
		3232	my @funcs;
		3233	my @res = <$fh>;
		3234	chomp for @res;
		3235	while (@res) {
		3236	my ($func, $line) = splice @res, 0, 2, ();
		3237	push @funcs, "[$func] $line";
		3238	}
		3239
		3240	@funcs
		3241	};
		3242
		3243	LOG llevInfo, "[ABT] $msg\n";
		3244	LOG llevInfo, "[ABT] $_\n" for @bt;
		3245	--$_log_backtrace;
		3246	};
		3247	} else {
		3248	LOG llevInfo, "[ABT] $msg\n";
		3249	LOG llevInfo, "[ABT] [suppressed]\n";
		3250	}
		3251	}
		3252
		3253	# load additional modules
		3254	use cf::pod;
		3255
2702	END { cf::emergency_save }	3256	END { cf::emergency_save }
2703		3257
2704	1	3258	1
2705		3259

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