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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.227 by root, Fri Mar 23 18:32:48 2007 UTC vs.
Revision 1.294 by root, Tue Jul 3 06:00:48 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"
		563	}
		564
		565	=item cf::datalog type => key => value, ...
		566
		567	Log a datalog packet of the given type with the given key-value pairs.
		568
		569	=cut
		570
		571	sub datalog($@) {
		572	my ($type, %kv) = @_;
		573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	574	}
377		575
378	=back	576	=back
379		577
380	=cut	578	=cut
…		…
387	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")
388	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
389		587
390	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>
391	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
392	crossfire+).	590	Crossfire TRT).
393		591
394	=over 4	592	=over 4
395		593
396	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
397		595
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
561		759
562	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		764
567	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	766	my $pkg = shift @arg;
569		767
570	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
600	}	798	}
601		799
602	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
603	} else {	801	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	803	}
606		804
607	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
608	}	806	}
609		807
…		…
611	if (ref $_[0]) {	809	if (ref $_[0]) {
612	_object_attach @_;	810	_object_attach @_;
613	} else {	811	} else {
614	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
615	}	813	}
		814	_recalc_want;
616	};	815	};
617		816
618	# all those should be optimised	817	# all those should be optimised
619	sub cf::attachable::detach {	818	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
624	reattach ($obj);	823	reattach ($obj);
625	} else {	824	} else {
626	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
627	}	826	}
		827	_recalc_want;
628	};	828	};
629		829
630	sub cf::attachable::attached {	830	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
632		832
…		…
805	or return;	1005	or return;
806	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
807	}	1007	}
808		1008
809	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
811	return ($data, $av);	1011	return ($data, $av);
812	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
813		1019
814	#############################################################################	1020	#############################################################################
815	# command handling &c	1021	# command handling &c
816		1022
817	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1037	}
832		1038
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1040
835	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.
836		1046
837	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
838	called.	1048	called.
839		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
840	=cut	1061	=cut
841		1062
842	sub register_extcmd {	1063	sub register_extcmd {
843	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
844		1065
845	$EXTCMD{$name} = $cb;	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
846	}	1073	}
847		1074
848	cf::player->attach (	1075	cf::player->attach (
849	on_command => sub {	1076	on_command => sub {
850	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
859	cf::override;	1086	cf::override;
860	},	1087	},
861	on_extcmd => sub {	1088	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1089	my ($pl, $buf) = @_;
863		1090
864	my $msg = eval { from_json $buf };	1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1092
866	if (ref $msg) {	1093	if (ref $msg) {
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
868	if (my %reply = $cb->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
869	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
875		1102
876	cf::override;	1103	cf::override;
877	},	1104	},
878	);	1105	);
879		1106
880	sub load_extension {
881	my ($path) = @_;
882
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
884	my $base = $1;
885	my $pkg = $1;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}
908	die $@;
909	}
910
911	push @EXTS, $pkg;
912	}
913
914	sub load_extensions {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
915	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1112	next unless -r $path;
917	eval {	1113
918	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;
919	1	1171	}
920	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
921	}	1177	};
922	}	1178	}
923		1179
924	#############################################################################	1180	#############################################################################
925		1181
		1182	=back
		1183
926	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
927		1185
928	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
929		1187
930	=cut	1188	=cut
…		…
942	Returns the given player object, loading it if necessary (might block).	1200	Returns the given player object, loading it if necessary (might block).
943		1201
944	=cut	1202	=cut
945		1203
946	sub playerdir($) {	1204	sub playerdir($) {
947	cf::localdir	1205	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1207	}
953		1208
954	sub path($) {	1209	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1211
957	(playerdir $login) . "/$login.pl"	1212	(playerdir $login) . "/playerdata"
958	}	1213	}
959		1214
960	sub find_active($) {	1215	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1216	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1217	and $cf::PLAYER{$_[0]}->active
…		…
975	my $login = $_[0];	1230	my $login = $_[0];
976		1231
977	my $guard = cf::lock_acquire "user_find:$login";	1232	my $guard = cf::lock_acquire "user_find:$login";
978		1233
979	$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
980	my $pl = load_pl path $login	1242	my $pl = load_pl path $login
981	or return;	1243	or return;
982	$cf::PLAYER{$login} = $pl	1244	$cf::PLAYER{$login} = $pl
983	}	1245	}
984	}	1246	}
…		…
1068	while and may block, so not sync_job-capable, ever.	1330	while and may block, so not sync_job-capable, ever.
1069		1331
1070	=cut	1332	=cut
1071		1333
1072	sub list_logins {	1334	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1335	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1336	or return [];
1075		1337
1076	my @logins;	1338	my @logins;
1077		1339
1078	for my $login (@$dirs) {	1340	for my $login (@$dirs) {
…		…
1113	}	1375	}
1114		1376
1115	\@paths	1377	\@paths
1116	}	1378	}
1117		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	s/^\s+//;
		1420	s/\s+$//;
		1421
		1422	$_
		1423	}
		1424
		1425	sub hintmode {
		1426	$_[0]{hintmode} = $_[1] if @_ > 1;
		1427	$_[0]{hintmode}
		1428	}
		1429
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1430	=item $player->ext_reply ($msgid, %msg)
1119		1431
1120	Sends an ext reply to the player.	1432	Sends an ext reply to the player.
1121		1433
1122	=cut	1434	=cut
1123		1435
1124	sub ext_reply($$$%) {	1436	sub ext_reply($$%) {
1125	my ($self, $id, %msg) = @_;	1437	my ($self, $id, %msg) = @_;
1126		1438
1127	$msg{msgid} = $id;	1439	$msg{msgid} = $id;
1128		1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1441	}
1131		1442
1132	package cf;	1443	=item $player->ext_event ($type, %msg)
		1444
		1445	Sends an ext event to the client.
		1446
		1447	=cut
		1448
		1449	sub ext_event($$%) {
		1450	my ($self, $type, %msg) = @_;
		1451
		1452	$self->ns->ext_event ($type, %msg);
		1453	}
		1454
		1455	=head3 cf::region
		1456
		1457	=over 4
		1458
		1459	=cut
		1460
		1461	package cf::region;
		1462
		1463	=item cf::region::find_by_path $path
		1464
		1465	Tries to decuce the likely region for a map knowing only its path.
		1466
		1467	=cut
		1468
		1469	sub find_by_path($) {
		1470	my ($path) = @_;
		1471
		1472	my ($match, $specificity);
		1473
		1474	for my $region (list) {
		1475	if ($region->match && $path =~ $region->match) {
		1476	($match, $specificity) = ($region, $region->specificity)
		1477	if $region->specificity > $specificity;
		1478	}
		1479	}
		1480
		1481	$match
		1482	}
1133		1483
1134	=back	1484	=back
1135
1136		1485
1137	=head3 cf::map	1486	=head3 cf::map
1138		1487
1139	=over 4	1488	=over 4
1140		1489
…		…
1195	my ($self, $merge) = @_;	1544	my ($self, $merge) = @_;
1196		1545
1197	# we have to keep some variables in memory intact	1546	# we have to keep some variables in memory intact
1198	local $self->{path};	1547	local $self->{path};
1199	local $self->{load_path};	1548	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1549
1203	$self->SUPER::thawer_merge ($merge);	1550	$self->SUPER::thawer_merge ($merge);
1204	}	1551	}
1205		1552
1206	sub normalise {	1553	sub normalise {
…		…
1278		1625
1279	# the original (read-only) location	1626	# the original (read-only) location
1280	sub load_path {	1627	sub load_path {
1281	my ($self) = @_;	1628	my ($self) = @_;
1282		1629
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1630	"$MAPDIR/$self->{path}.map"
1284	}	1631	}
1285		1632
1286	# the temporary/swap location	1633	# the temporary/swap location
1287	sub save_path {	1634	sub save_path {
1288	my ($self) = @_;	1635	my ($self) = @_;
1289		1636
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1638	"$TMPDIR/$path.map"
1292	}	1639	}
1293		1640
1294	# the unique path, undef == no special unique path	1641	# the unique path, undef == no special unique path
1295	sub uniq_path {	1642	sub uniq_path {
1296	my ($self) = @_;	1643	my ($self) = @_;
1297		1644
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1646	"$UNIQUEDIR/$path"
1300	}	1647	}
1301		1648
1302	# and all this just because we cannot iterate over	1649	# and all this just because we cannot iterate over
1303	# all maps in C++...	1650	# all maps in C++...
1304	sub change_all_map_light {	1651	sub change_all_map_light {
1305	my ($change) = @_;	1652	my ($change) = @_;
1306		1653
1307	$_->change_map_light ($change)	1654	$_->change_map_light ($change)
1308	for grep $_->outdoor, values %cf::MAP;	1655	for grep $_->outdoor, values %cf::MAP;
		1656	}
		1657
		1658	sub decay_objects {
		1659	my ($self) = @_;
		1660
		1661	return if $self->{deny_reset};
		1662
		1663	$self->do_decay_objects;
1309	}	1664	}
1310		1665
1311	sub unlink_save {	1666	sub unlink_save {
1312	my ($self) = @_;	1667	my ($self) = @_;
1313		1668
…		…
1371	$self->load_header_orig	1726	$self->load_header_orig
1372	or return;	1727	or return;
1373	$self->prepare_orig;	1728	$self->prepare_orig;
1374	}	1729	}
1375		1730
		1731	$self->{deny_reset} = 1
		1732	if $self->no_reset;
		1733
		1734	$self->default_region (cf::region::find_by_path $self->{path})
		1735	unless $self->default_region;
		1736
1376	1	1737	1
1377	}	1738	}
1378		1739
1379	sub find;	1740	sub find;
1380	sub find {	1741	sub find {
…		…
1392	$map->{last_save} = $cf::RUNTIME;	1753	$map->{last_save} = $cf::RUNTIME;
1393		1754
1394	$map->load_header	1755	$map->load_header
1395	or return;	1756	or return;
1396		1757
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1759	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1760	#$cf::WAIT_FOR_TICK->wait;
1400	$map->reset;	1761	$map->reset;
1401	undef $guard;	1762	undef $guard;
1402	return find $path;	1763	return find $path;
…		…
1413	my ($self) = @_;	1774	my ($self) = @_;
1414		1775
1415	local $self->{deny_reset} = 1; # loading can take a long time	1776	local $self->{deny_reset} = 1; # loading can take a long time
1416		1777
1417	my $path = $self->{path};	1778	my $path = $self->{path};
		1779
		1780	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1781	my $guard = cf::lock_acquire "map_load:$path";
1419		1782
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1783	return if $self->in_memory != cf::MAP_SWAPPED;
1421		1784
1422	$self->in_memory (cf::MAP_LOADING);	1785	$self->in_memory (cf::MAP_LOADING);
1423		1786
1424	$self->alloc;	1787	$self->alloc;
1425		1788
1426	$self->pre_load;	1789	$self->pre_load;
1427
1428	$self->_load_objects ($self->{load_path}, 1)
1429	or return;
1430
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};
1433
1434	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {
1437	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);
1439	}
1440	}
1441
1442	Coro::cede;
1443
1444	# now do the right thing for maps
1445	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;	1790	Coro::cede;
1452	$self->set_darkness_map;	1791
		1792	$self->_load_objects ($self->{load_path}, 1)
		1793	or return;
		1794
		1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1796	if delete $self->{load_original};
		1797
		1798	if (my $uniq = $self->uniq_path) {
		1799	utf8::encode $uniq;
		1800	if (aio_open $uniq, O_RDONLY, 0) {
		1801	$self->clear_unique_items;
		1802	$self->_load_objects ($uniq, 0);
		1803	}
		1804	}
		1805
		1806	Coro::cede;
		1807	# now do the right thing for maps
		1808	$self->link_multipart_objects;
1453	$self->difficulty ($self->estimate_difficulty)	1809	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1810	unless $self->difficulty;
1455	Coro::cede;	1811	Coro::cede;
		1812
		1813	unless ($self->{deny_activate}) {
		1814	$self->decay_objects;
		1815	$self->fix_auto_apply;
		1816	$self->update_buttons;
		1817	Coro::cede;
		1818	$self->set_darkness_map;
		1819	Coro::cede;
1456	$self->activate;	1820	$self->activate;
		1821	}
		1822
		1823	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1824	}
1458		1825
1459	$self->post_load;	1826	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1827	}
1463		1828
1464	sub customise_for {	1829	sub customise_for {
1465	my ($self, $ob) = @_;	1830	my ($self, $ob) = @_;
1466		1831
1467	return find "~" . $ob->name . "/" . $self->{path}	1832	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1833	if $self->per_player;
		1834
		1835	# return find "?party/" . $ob->name . "/" . $self->{path}
		1836	# if $self->per_party;
1469		1837
1470	$self	1838	$self
1471	}	1839	}
1472		1840
1473	# find and load all maps in the 3x3 area around a map	1841	# find and load all maps in the 3x3 area around a map
…		…
1584		1952
1585	sub reset_at {	1953	sub reset_at {
1586	my ($self) = @_;	1954	my ($self) = @_;
1587		1955
1588	# TODO: safety, remove and allow resettable per-player maps	1956	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	1957	return 1e99 if $self->{deny_reset};
1591		1958
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1959	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1960	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		1961
…		…
1605	my ($self) = @_;	1972	my ($self) = @_;
1606		1973
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	1974	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		1975
1609	return if $self->players;	1976	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		1977
1612	warn "resetting map ", $self->path;#d#	1978	warn "resetting map ", $self->path;
1613		1979
1614	$self->in_memory (cf::MAP_SWAPPED);	1980	$self->in_memory (cf::MAP_SWAPPED);
1615		1981
1616	# need to save uniques path	1982	# need to save uniques path
1617	unless ($self->{deny_save}) {	1983	unless ($self->{deny_save}) {
…		…
1649	$cf::MAP{$self->path} = $self;	2015	$cf::MAP{$self->path} = $self;
1650		2016
1651	$self->reset; # polite request, might not happen	2017	$self->reset; # polite request, might not happen
1652	}	2018	}
1653		2019
		2020	=item $maps = cf::map::tmp_maps
		2021
		2022	Returns an arrayref with all map paths of currently instantiated and saved
		2023	maps. May block.
		2024
		2025	=cut
		2026
		2027	sub tmp_maps() {
		2028	[
		2029	map {
		2030	utf8::decode $_;
		2031	/\.map$/
		2032	? normalise $_
		2033	: ()
		2034	} @{ aio_readdir $TMPDIR or [] }
		2035	]
		2036	}
		2037
		2038	=item $maps = cf::map::random_maps
		2039
		2040	Returns an arrayref with all map paths of currently instantiated and saved
		2041	random maps. May block.
		2042
		2043	=cut
		2044
		2045	sub random_maps() {
		2046	[
		2047	map {
		2048	utf8::decode $_;
		2049	/\.map$/
		2050	? normalise "?random/$_"
		2051	: ()
		2052	} @{ aio_readdir $RANDOMDIR or [] }
		2053	]
		2054	}
		2055
1654	=item cf::map::unique_maps	2056	=item cf::map::unique_maps
1655		2057
1656	Returns an arrayref of paths of all shared maps that have	2058	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2059	instantiated unique items. May block.
1658		2060
1659	=cut	2061	=cut
1660		2062
1661	sub unique_maps() {	2063	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2064	[
1663	or return;	2065	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2066	utf8::decode $_;
1669	next if /\.pst$/;	2067	/\.map$/
1670	next unless /^$PATH_SEP/o;	2068	? normalise $_
1671		2069	: ()
1672	push @paths, cf::map::normalise $_;	2070	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2071	]
1674
1675	\@paths
1676	}	2072	}
1677		2073
1678	package cf;	2074	package cf;
1679		2075
1680	=back	2076	=back
…		…
1726		2122
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2123	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2124
1729	if ($self->{record_replies}) {	2125	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2126	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2127
1731	} else {	2128	} else {
		2129	my $pl = $self->contr;
		2130
		2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2132	my $diag = $pl->{npc_dialog};
		2133	$diag->{pl}->ext_reply (
		2134	$diag->{id},
		2135	msgtype => "reply",
		2136	msg => $diag->{pl}->expand_cfpod ($msg),
		2137	add_topics => []
		2138	);
		2139
		2140	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2141	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2142	$self->message ($msg, $flags);
		2143	}
1734	}	2144	}
1735	}	2145	}
1736		2146
1737	=item $player_object->may ("access")	2147	=item $player_object->may ("access")
1738		2148
…		…
1786	$self->deactivate_recursive;	2196	$self->deactivate_recursive;
1787		2197
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2198	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2199
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2201	if $self->map && $self->map->{path} ne "{link}";
1792		2202
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2204	}
1795		2205
1796	sub cf::object::player::leave_link {	2206	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2207	my ($self, $map, $x, $y) = @_;
		2208
		2209	return unless $self->contr->active;
1798		2210
1799	my $link_pos = delete $self->{_link_pos};	2211	my $link_pos = delete $self->{_link_pos};
1800		2212
1801	unless ($map) {	2213	unless ($map) {
1802	# restore original map position	2214	# restore original map position
…		…
1825		2237
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2239	$self->enter_map ($map, $x, $y);
1828	}	2240	}
1829		2241
1830	cf::player->attach (
1831	on_logout => sub {
1832	my ($pl) = @_;
1833
1834	# abort map switching before logout
1835	if ($pl->ob->{_link_pos}) {
1836	cf::sync_job {
1837	$pl->ob->leave_link
1838	};
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)	2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1863		2243
		2244	Moves the player to the given map-path and coordinates by first freezing
		2245	her, loading and preparing them map, calling the provided $check callback
		2246	that has to return the map if sucecssful, and then unfreezes the player on
		2247	the new (success) or old (failed) map position.
		2248
1864	=cut	2249	=cut
		2250
		2251	our $GOTOGEN;
1865		2252
1866	sub cf::object::player::goto {	2253	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2254	my ($self, $path, $x, $y, $check) = @_;
		2255
		2256	# do generation counting so two concurrent goto's will be executed in-order
		2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2258
1869	$self->enter_link;	2259	$self->enter_link;
1870		2260
1871	(async {	2261	(async {
1872	my $map = eval {	2262	my $map = eval {
1873	my $map = cf::map::find $path;	2263	my $map = cf::map::find $path;
		2264
		2265	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2266	$map = $map->customise_for ($self);
		2267	$map = $check->($map) if $check && $map;
		2268	} else {
		2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2270	}
		2271
1875	$map	2272	$map
		2273	};
		2274
		2275	if ($@) {
		2276	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2277	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2278	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2279
		2280	if ($gen == $self->{_goto_generation}) {
		2281	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2282	$self->leave_link ($map, $x, $y);
		2283	}
1880	})->prio (1);	2284	})->prio (1);
1881	}	2285	}
1882		2286
1883	=item $player_object->enter_exit ($exit_object)	2287	=item $player_object->enter_exit ($exit_object)
1884		2288
…		…
1923		2327
1924	$rmp->{random_seed} ||= $exit->random_seed;	2328	$rmp->{random_seed} ||= $exit->random_seed;
1925		2329
1926	my $data = cf::to_json $rmp;	2330	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2331	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2332	my $meta = "$RANDOMDIR/$md5.meta";
1929		2333
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2335	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2336	undef $fh;
1933	aio_rename "$meta~", $meta;	2337	aio_rename "$meta~", $meta;
…		…
1942		2346
1943	return unless $self->type == cf::PLAYER;	2347	return unless $self->type == cf::PLAYER;
1944		2348
1945	if ($exit->slaying eq "/!") {	2349	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2351	# the problem is that $exit might not survive long enough
		2352	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2353	cf::sync_job { prepare_random_map $exit };
1948	}	2354	}
1949		2355
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2357	my $hp = $exit->stats->hp;
…		…
1959	$self->goto ($slaying, $hp, $sp);	2365	$self->goto ($slaying, $hp, $sp);
1960		2366
1961	1;	2367	1;
1962	}) {	2368	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2369	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2370	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2371	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2372	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2373
1968	warn "ERROR in enter_exit: $@";	2374	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2375	$self->leave_link;
1970	}	2376	}
1971	})->prio (1);	2377	})->prio (1);
…		…
1987		2393
1988	utf8::encode $text;	2394	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2396	}
1991		2397
		2398	=item $client->send_msg ($color, $type, $msg, [extra...])
		2399
		2400	Send a drawinfo or msg packet to the client, formatting the msg for the
		2401	client if neccessary. C<$type> should be a string identifying the type of
		2402	the message, with C<log> being the default. If C<$color> is negative, suppress
		2403	the message unless the client supports the msg packet.
		2404
		2405	=cut
		2406
		2407	sub cf::client::send_msg {
		2408	my ($self, $color, $type, $msg, @extra) = @_;
		2409
		2410	$msg = $self->pl->expand_cfpod ($msg);
		2411
		2412	return unless @extra || length $msg;
		2413
		2414	if ($self->can_msg) {
		2415	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2416	} else {
		2417	# replace some tags by gcfclient-compatible ones
		2418	for ($msg) {
		2419	1 while
		2420	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2421	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2422	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2423	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2424	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2425	}
		2426
		2427	if ($color >= 0) {
		2428	if (0 && $msg =~ /\[/) {
		2429	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2430	} else {
		2431	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2432	$self->send_packet ("drawinfo $color $msg")
		2433	}
		2434	}
		2435	}
		2436	}
		2437
		2438	=item $client->ext_event ($type, %msg)
		2439
		2440	Sends an ext event to the client.
		2441
		2442	=cut
		2443
		2444	sub cf::client::ext_event($$%) {
		2445	my ($self, $type, %msg) = @_;
		2446
		2447	$msg{msgtype} = "event_$type";
		2448	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2449	}
1992		2450
1993	=item $success = $client->query ($flags, "text", \&cb)	2451	=item $success = $client->query ($flags, "text", \&cb)
1994		2452
1995	Queues a query to the client, calling the given callback with	2453	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2454	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2455	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2456
1999	Queries can fail, so check the return code. Or don't, as queries will become	2457	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2458	become reliable at some point in the future.
2001		2459
2002	=cut	2460	=cut
2003		2461
2004	sub cf::client::query {	2462	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2463	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2471	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2472	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2473
2016	$self->send_packet ($self->{query_queue}[0][0])	2474	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2475	if @{ $self->{query_queue} } == 1;
		2476
		2477	1
2018	}	2478	}
2019		2479
2020	cf::client->attach (	2480	cf::client->attach (
		2481	on_connect => sub {
		2482	my ($ns) = @_;
		2483
		2484	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2485	},
2021	on_reply => sub {	2486	on_reply => sub {
2022	my ($ns, $msg) = @_;	2487	my ($ns, $msg) = @_;
2023		2488
2024	# this weird shuffling is so that direct followup queries	2489	# this weird shuffling is so that direct followup queries
2025	# get handled first	2490	# get handled first
…		…
2037	} else {	2502	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2503	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2504	}
2040	}	2505	}
2041	},	2506	},
		2507	on_exticmd => sub {
		2508	my ($ns, $buf) = @_;
		2509
		2510	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2511
		2512	if (ref $msg) {
		2513	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2514	if (my %reply = $cb->($ns, $msg)) {
		2515	$reply{msgid} = $msg->{msgid};
		2516	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2517	}
		2518	}
		2519	} else {
		2520	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2521	}
		2522
		2523	cf::override;
		2524	},
2042	);	2525	);
2043		2526
2044	=item $client->async (\&cb)	2527	=item $client->async (\&cb)
2045		2528
2046	Create a new coroutine, running the specified callback. The coroutine will	2529	Create a new coroutine, running the specified callback. The coroutine will
…		…
2093		2576
2094	# here we export the classes and methods available to script code	2577	# here we export the classes and methods available to script code
2095		2578
2096	=pod	2579	=pod
2097		2580
2098	The following fucntions and emthods are available within a safe environment:	2581	The following functions and methods are available within a safe environment:
2099		2582
2100	cf::object contr pay_amount pay_player map	2583	cf::object contr pay_amount pay_player map
2101	cf::object::player player	2584	cf::object::player player
2102	cf::player peaceful	2585	cf::player peaceful
2103	cf::map trigger	2586	cf::map trigger
…		…
2184	=back	2667	=back
2185		2668
2186	=cut	2669	=cut
2187		2670
2188	#############################################################################	2671	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	2672	# the server's init and main functions
2262		2673
2263	sub load_faces {	2674	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	2675	my ($path) = @_;
2265		2676
2266	warn "loading faces from $path\n";	2677	warn "loading facedata from $path\n";
2267		2678
2268	my $faces;	2679	my $facedata;
2269	0 < aio_load $path, $faces	2680	0 < aio_load $path, $facedata
2270	or die "$path: $!";	2681	or die "$path: $!";
2271		2682
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	2683	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		2684
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	2685	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	2686	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		2687
		2688	{
		2689	my $faces = $facedata->{faceinfo};
		2690
2280	while (my ($face, $info) = each %$faces) {	2691	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2692	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2693	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2694	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2695	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2284	Coro::cede;	2696	Coro::cede;
2285	}	2697	}
2286		2698
2287	while (my ($face, $info) = each %$faces) {	2699	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	2700	next unless $info->{smooth};
2289	my $idx = cf::face::find $face	2701	my $idx = cf::face::find $face
2290	or next;	2702	or next;
2291	if (my $smooth = cf::face::find $info->{smooth}) {	2703	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;	2704	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2293	} else {	2705	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";	2706	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}	2707	}
2296	Coro::cede;	2708	Coro::cede;
		2709	}
		2710	}
		2711
		2712	{
		2713	my $anims = $facedata->{animinfo};
		2714
		2715	while (my ($anim, $info) = each %$anims) {
		2716	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2717	Coro::cede;
		2718	}
		2719
		2720	cf::anim::invalidate_all; # d'oh
2297	}	2721	}
2298		2722
2299	1	2723	1
2300	}	2724	}
2301		2725
		2726	sub reload_regions {
		2727	load_resource_file "$MAPDIR/regions"
		2728	or die "unable to load regions file\n";
		2729	}
		2730
		2731	sub reload_facedata {
		2732	load_facedata "$DATADIR/facedata"
		2733	or die "unable to load facedata\n";
		2734	}
		2735
		2736	sub reload_archetypes {
		2737	load_resource_file "$DATADIR/archetypes"
		2738	or die "unable to load archetypes\n";
		2739	#d# NEED to laod twice to resolve forward references
		2740	# this really needs to be done in an extra post-pass
		2741	# (which needs to be synchronous, so solve it differently)
		2742	load_resource_file "$DATADIR/archetypes"
		2743	or die "unable to load archetypes\n";
		2744	}
		2745
		2746	sub reload_treasures {
		2747	load_resource_file "$DATADIR/treasures"
		2748	or die "unable to load treasurelists\n";
		2749	}
		2750
2302	sub reload_resources {	2751	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2752	warn "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	2753
		2754	reload_regions;
2305	load_faces	2755	reload_facedata;
2306	or die "unable to load faces\n";#d#	2756	#reload_archetypes;#d#
		2757	reload_archetypes;
		2758	reload_treasures;
		2759
		2760	warn "finished reloading resource files\n";
2307	}	2761	}
2308		2762
2309	sub init {	2763	sub init {
2310	reload_resources;	2764	reload_resources;
2311	}	2765	}
2312		2766
2313	sub cfg_load {	2767	sub cfg_load {
2314	open my $fh, "<:utf8", cf::confdir . "/config"	2768	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	2769	or return;
2316		2770
2317	local $/;	2771	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	2772	*CFG = YAML::Syck::Load <$fh>;
2319		2773
…		…
2364	},	2818	},
2365	);	2819	);
2366	}	2820	}
2367	}	2821	}
2368		2822
		2823	sub write_runtime {
		2824	my $runtime = "$LOCALDIR/runtime";
		2825
		2826	# first touch the runtime file to show we are still running:
		2827	# the fsync below can take a very very long time.
		2828
		2829	IO::AIO::aio_utime $runtime, undef, undef;
		2830
		2831	my $guard = cf::lock_acquire "write_runtime";
		2832
		2833	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2834	or return;
		2835
		2836	my $value = $cf::RUNTIME + 90 + 10;
		2837	# 10 is the runtime save interval, for a monotonic clock
		2838	# 60 allows for the watchdog to kill the server.
		2839
		2840	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2841	and return;
		2842
		2843	# always fsync - this file is important
		2844	aio_fsync $fh
		2845	and return;
		2846
		2847	# touch it again to show we are up-to-date
		2848	aio_utime $fh, undef, undef;
		2849
		2850	close $fh
		2851	or return;
		2852
		2853	aio_rename "$runtime~", $runtime
		2854	and return;
		2855
		2856	warn "runtime file written.\n";
		2857
		2858	1
		2859	}
		2860
2369	sub emergency_save() {	2861	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	2862	my $freeze_guard = cf::freeze_mainloop;
2371		2863
2372	warn "enter emergency perl save\n";	2864	warn "enter emergency perl save\n";
2373		2865
…		…
2404		2896
2405	warn Carp::longmess "post_cleanup backtrace"	2897	warn Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	2898	if $make_core;
2407	}	2899	}
2408		2900
2409	sub reload() {	2901	sub do_reload_perl() {
2410	# can/must only be called in main	2902	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	2903	if ($Coro::current != $Coro::main) {
2412	warn "can only reload from main coroutine";	2904	warn "can only reload from main coroutine";
2413	return;	2905	return;
2414	}	2906	}
…		…
2448	%EXT_CORO = ();	2940	%EXT_CORO = ();
2449		2941
2450	warn "removing commands";	2942	warn "removing commands";
2451	%COMMAND = ();	2943	%COMMAND = ();
2452		2944
2453	warn "removing ext commands";	2945	warn "removing ext/exti commands";
2454	%EXTCMD = ();	2946	%EXTCMD = ();
		2947	%EXTICMD = ();
2455		2948
2456	warn "unloading/nuking all extensions";	2949	warn "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	2950	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	2951	warn "... unloading $pkg";
2459		2952
…		…
2489	Symbol::delete_package "safe::$_"	2982	Symbol::delete_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2983	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		2984
2492	warn "unloading cf.pm \"a bit\"";	2985	warn "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	2986	delete $INC{"cf.pm"};
		2987	delete $INC{"cf/pod.pm"};
2494		2988
2495	# don't, removes xs symbols, too,	2989	# don't, removes xs symbols, too,
2496	# and global variables created in xs	2990	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	2991	#Symbol::delete_package __PACKAGE__;
2498		2992
…		…
2513	warn "reattaching attachments to maps";	3007	warn "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3008	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3009	warn "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3010	reattach $_ for values %PLAYER;
2517		3011
2518	warn "loading reloadable resources";
2519	reload_resources;
2520
2521	warn "leaving sync_job";	3012	warn "leaving sync_job";
2522		3013
2523	1	3014	1
2524	} or do {	3015	} or do {
2525	warn $@;	3016	warn $@;
…		…
2530	warn "reloaded";	3021	warn "reloaded";
2531	};	3022	};
2532		3023
2533	our $RELOAD_WATCHER; # used only during reload	3024	our $RELOAD_WATCHER; # used only during reload
2534		3025
		3026	sub reload_perl() {
		3027	# doing reload synchronously and two reloads happen back-to-back,
		3028	# coro crashes during coro_state_free->destroy here.
		3029
		3030	$RELOAD_WATCHER ||= Event->timer (
		3031	reentrant => 0,
		3032	after => 0,
		3033	data => WF_AUTOCANCEL,
		3034	cb => sub {
		3035	do_reload_perl;
		3036	undef $RELOAD_WATCHER;
		3037	},
		3038	);
		3039	}
		3040
2535	register_command "reload" => sub {	3041	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	3042	my ($who, $arg) = @_;
2537		3043
2538	if ($who->flag (FLAG_WIZ)) {	3044	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	3045	$who->message ("reloading server.");
2540		3046	async { reload_perl };
2541	# doing reload synchronously and two reloads happen back-to-back,
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);
2553	}	3047	}
2554	};	3048	};
2555		3049
2556	unshift @INC, $LIBDIR;	3050	unshift @INC, $LIBDIR;
2557		3051
2558	my $bug_warning = 0;	3052	my $bug_warning = 0;
2559		3053
		3054	our @WAIT_FOR_TICK;
		3055	our @WAIT_FOR_TICK_BEGIN;
		3056
		3057	sub wait_for_tick {
		3058	return unless $TICK_WATCHER->is_active;
		3059	return if $Coro::current == $Coro::main;
		3060
		3061	my $signal = new Coro::Signal;
		3062	push @WAIT_FOR_TICK, $signal;
		3063	$signal->wait;
		3064	}
		3065
		3066	sub wait_for_tick_begin {
		3067	return unless $TICK_WATCHER->is_active;
		3068	return if $Coro::current == $Coro::main;
		3069
		3070	my $signal = new Coro::Signal;
		3071	push @WAIT_FOR_TICK_BEGIN, $signal;
		3072	$signal->wait;
		3073	}
		3074
		3075	my $min = 1e6;#d#
		3076	my $avg = 10;
2560	$TICK_WATCHER = Event->timer (	3077	$TICK_WATCHER = Event->timer (
2561	reentrant => 0,	3078	reentrant => 0,
2562	parked => 1,	3079	parked => 1,
2563	prio => 0,	3080	prio => 0,
2564	at => $NEXT_TICK || $TICK,	3081	at => $NEXT_TICK || $TICK,
…		…
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3085	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	3086	unless ++$bug_warning > 10;
2570	return;	3087	return;
2571	}	3088	}
2572		3089
2573	$NOW = Event::time;	3090	$NOW = $tick_start = Event::time;
2574		3091
2575	cf::server_tick; # one server iteration	3092	cf::server_tick; # one server iteration
		3093
		3094	0 && sync_job {#d#
		3095	for(1..10) {
		3096	my $t = Event::time;
		3097	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3098	or die;
		3099
		3100	$map->width (50);
		3101	$map->height (50);
		3102	$map->alloc;
		3103	$map->_load_objects ("/tmp/x.map", 1);
		3104	my $t = Event::time - $t;
		3105
		3106	#next unless $t < 0.0013;#d#
		3107	if ($t < $min) {
		3108	$min = $t;
		3109	}
		3110	$avg = $avg * 0.99 + $t * 0.01;
		3111	}
		3112	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3113	exit 0;
		3114	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3115	};
		3116
2576	$RUNTIME += $TICK;	3117	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;	3118	$NEXT_TICK += $TICK;
2578		3119
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3120	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	3121	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2582	write_runtime	3123	write_runtime
2583	or warn "ERROR: unable to write runtime file: $!";	3124	or warn "ERROR: unable to write runtime file: $!";
2584	};	3125	};
2585	}	3126	}
2586		3127
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;	3128	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#	3129	# warn $AFTER - $NOW;#d#
2592		3130
		3131	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3132	$sig->send;
		3133	}
		3134	while (my $sig = shift @WAIT_FOR_TICK) {
		3135	$sig->send;
		3136	}
		3137
		3138	$NOW = Event::time;
		3139
2593	# if we are delayed by four ticks or more, skip them all	3140	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3141	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2595		3142
2596	$TICK_WATCHER->at ($NEXT_TICK);	3143	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;	3144	$TICK_WATCHER->start;
		3145
		3146	$LOAD = ($NOW - $tick_start) / $TICK;
		3147	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3148
		3149	_post_tick;
		3150
		3151
2598	},	3152	},
2599	);	3153	);
2600		3154
2601	{	3155	{
2602	BDB::max_poll_time $TICK * 0.1;	3156	BDB::max_poll_time $TICK * 0.1;
…		…
2630		3184
2631	cf::sync_job {	3185	cf::sync_job {
2632	eval {	3186	eval {
2633	BDB::db_env_open	3187	BDB::db_env_open
2634	$DB_ENV,	3188	$DB_ENV,
2635	$BDB_ENV_DIR,	3189	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3190	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3191	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	3192	0666;
2639		3193
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3194	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641		3195
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3196	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;	3197	$DB_ENV->set_lk_detect;
2644	};	3198	};
2645		3199
…		…
2661	prio => 6,	3215	prio => 6,
2662	cb => \&IO::AIO::poll_cb,	3216	cb => \&IO::AIO::poll_cb,
2663	);	3217	);
2664	}	3218	}
2665		3219
		3220	my $_log_backtrace;
		3221
		3222	sub _log_backtrace {
		3223	my ($msg, @addr) = @_;
		3224
		3225	$msg =~ s/\n//;
		3226
		3227	# limit the # of concurrent backtraces
		3228	if ($_log_backtrace < 2) {
		3229	++$_log_backtrace;
		3230	async {
		3231	my @bt = fork_call {
		3232	@addr = map { sprintf "%x", $_ } @addr;
		3233	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3234	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3235	or die "addr2line: $!";
		3236
		3237	my @funcs;
		3238	my @res = <$fh>;
		3239	chomp for @res;
		3240	while (@res) {
		3241	my ($func, $line) = splice @res, 0, 2, ();
		3242	push @funcs, "[$func] $line";
		3243	}
		3244
		3245	@funcs
		3246	};
		3247
		3248	LOG llevInfo, "[ABT] $msg\n";
		3249	LOG llevInfo, "[ABT] $_\n" for @bt;
		3250	--$_log_backtrace;
		3251	};
		3252	} else {
		3253	LOG llevInfo, "[ABT] $msg\n";
		3254	LOG llevInfo, "[ABT] [suppressed]\n";
		3255	}
		3256	}
		3257
		3258	# load additional modules
		3259	use cf::pod;
		3260
2666	END { cf::emergency_save }	3261	END { cf::emergency_save }
2667		3262
2668	1	3263	1
2669		3264

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