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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC vs.
Revision 1.297 by root, Thu Jul 5 08:10:30 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	s/\s+\n/\n/g; # ws line-ends
		1418	s/\n\n+/\n/g; # double lines
		1419	s/^\n+//; # beginning lines
		1420	s/\n+$//; # ending lines
		1421
		1422	$_
		1423	}
		1424
		1425	sub hintmode {
		1426	$_[0]{hintmode} = $_[1] if @_ > 1;
		1427	$_[0]{hintmode}
		1428	}
		1429
1129	=item $player->ext_reply ($msgid, %msg)	1430	=item $player->ext_reply ($msgid, %msg)
1130		1431
1131	Sends an ext reply to the player.	1432	Sends an ext reply to the player.
1132		1433
1133	=cut	1434	=cut
1134		1435
1135	sub ext_reply($$%) {	1436	sub ext_reply($$%) {
1136	my ($self, $id, %msg) = @_;	1437	my ($self, $id, %msg) = @_;
1137		1438
1138	$msg{msgid} = $id;	1439	$msg{msgid} = $id;
1139		1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1441	}
1142		1442
1143	=item $player->ext_event ($type, %msg)	1443	=item $player->ext_event ($type, %msg)
1144		1444
1145	Sends an ext event to the client.	1445	Sends an ext event to the client.
…		…
1147	=cut	1447	=cut
1148		1448
1149	sub ext_event($$%) {	1449	sub ext_event($$%) {
1150	my ($self, $type, %msg) = @_;	1450	my ($self, $type, %msg) = @_;
1151		1451
1152	delete $msg{msgid};	1452	$self->ns->ext_event ($type, %msg);
1153	$msg{msgtype} = "event";
1154	$msg{eventtype} = $type;
1155
1156	$self->send ("ext " . cf::to_json \%msg);
1157	}	1453	}
1158		1454
1159	package cf;	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	$match
		1482	}
1160		1483
1161	=back	1484	=back
1162
1163		1485
1164	=head3 cf::map	1486	=head3 cf::map
1165		1487
1166	=over 4	1488	=over 4
1167		1489
…		…
1222	my ($self, $merge) = @_;	1544	my ($self, $merge) = @_;
1223		1545
1224	# we have to keep some variables in memory intact	1546	# we have to keep some variables in memory intact
1225	local $self->{path};	1547	local $self->{path};
1226	local $self->{load_path};	1548	local $self->{load_path};
1227	local $self->{deny_save};
1228	local $self->{deny_reset};
1229		1549
1230	$self->SUPER::thawer_merge ($merge);	1550	$self->SUPER::thawer_merge ($merge);
1231	}	1551	}
1232		1552
1233	sub normalise {	1553	sub normalise {
…		…
1305		1625
1306	# the original (read-only) location	1626	# the original (read-only) location
1307	sub load_path {	1627	sub load_path {
1308	my ($self) = @_;	1628	my ($self) = @_;
1309		1629
1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1630	"$MAPDIR/$self->{path}.map"
1311	}	1631	}
1312		1632
1313	# the temporary/swap location	1633	# the temporary/swap location
1314	sub save_path {	1634	sub save_path {
1315	my ($self) = @_;	1635	my ($self) = @_;
1316		1636
1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1638	"$TMPDIR/$path.map"
1319	}	1639	}
1320		1640
1321	# the unique path, undef == no special unique path	1641	# the unique path, undef == no special unique path
1322	sub uniq_path {	1642	sub uniq_path {
1323	my ($self) = @_;	1643	my ($self) = @_;
1324		1644
1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1646	"$UNIQUEDIR/$path"
1327	}	1647	}
1328		1648
1329	# and all this just because we cannot iterate over	1649	# and all this just because we cannot iterate over
1330	# all maps in C++...	1650	# all maps in C++...
1331	sub change_all_map_light {	1651	sub change_all_map_light {
1332	my ($change) = @_;	1652	my ($change) = @_;
1333		1653
1334	$_->change_map_light ($change)	1654	$_->change_map_light ($change)
1335	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	$self->do_decay_objects;
1336	}	1664	}
1337		1665
1338	sub unlink_save {	1666	sub unlink_save {
1339	my ($self) = @_;	1667	my ($self) = @_;
1340		1668
…		…
1398	$self->load_header_orig	1726	$self->load_header_orig
1399	or return;	1727	or return;
1400	$self->prepare_orig;	1728	$self->prepare_orig;
1401	}	1729	}
1402		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
1403	1	1737	1
1404	}	1738	}
1405		1739
1406	sub find;	1740	sub find;
1407	sub find {	1741	sub find {
…		…
1419	$map->{last_save} = $cf::RUNTIME;	1753	$map->{last_save} = $cf::RUNTIME;
1420		1754
1421	$map->load_header	1755	$map->load_header
1422	or return;	1756	or return;
1423		1757
1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425	# doing this can freeze the server in a sync job, obviously	1759	# doing this can freeze the server in a sync job, obviously
1426	#$cf::WAIT_FOR_TICK->wait;	1760	#$cf::WAIT_FOR_TICK->wait;
1427	$map->reset;	1761	$map->reset;
1428	undef $guard;	1762	undef $guard;
1429	return find $path;	1763	return find $path;
…		…
1440	my ($self) = @_;	1774	my ($self) = @_;
1441		1775
1442	local $self->{deny_reset} = 1; # loading can take a long time	1776	local $self->{deny_reset} = 1; # loading can take a long time
1443		1777
1444	my $path = $self->{path};	1778	my $path = $self->{path};
		1779
		1780	{
1445	my $guard = cf::lock_acquire "map_load:$path";	1781	my $guard = cf::lock_acquire "map_load:$path";
1446		1782
1447	return if $self->in_memory != cf::MAP_SWAPPED;	1783	return if $self->in_memory != cf::MAP_SWAPPED;
1448		1784
1449	$self->in_memory (cf::MAP_LOADING);	1785	$self->in_memory (cf::MAP_LOADING);
1450		1786
1451	$self->alloc;	1787	$self->alloc;
1452		1788
1453	$self->pre_load;	1789	$self->pre_load;
1454
1455	$self->_load_objects ($self->{load_path}, 1)
1456	or return;
1457
1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1459	if delete $self->{load_original};
1460
1461	if (my $uniq = $self->uniq_path) {
1462	utf8::encode $uniq;
1463	if (aio_open $uniq, O_RDONLY, 0) {
1464	$self->clear_unique_items;
1465	$self->_load_objects ($uniq, 0);
1466	}
1467	}
1468
1469	Coro::cede;
1470
1471	# now do the right thing for maps
1472	$self->link_multipart_objects;
1473
1474	unless ($self->{deny_activate}) {
1475	$self->decay_objects;
1476	$self->fix_auto_apply;
1477	$self->update_buttons;
1478	Coro::cede;	1790	Coro::cede;
1479	$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;
1480	$self->difficulty ($self->estimate_difficulty)	1809	$self->difficulty ($self->estimate_difficulty)
1481	unless $self->difficulty;	1810	unless $self->difficulty;
1482	Coro::cede;	1811	Coro::cede;
		1812
		1813	unless ($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;
1483	$self->activate;	1820	$self->activate;
		1821	}
		1822
		1823	$self->in_memory (cf::MAP_IN_MEMORY);
1484	}	1824	}
1485		1825
1486	$self->post_load;	1826	$self->post_load;
1487
1488	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	1827	}
1490		1828
1491	sub customise_for {	1829	sub customise_for {
1492	my ($self, $ob) = @_;	1830	my ($self, $ob) = @_;
1493		1831
1494	return find "~" . $ob->name . "/" . $self->{path}	1832	return find "~" . $ob->name . "/" . $self->{path}
1495	if $self->per_player;	1833	if $self->per_player;
		1834
		1835	# return find "?party/" . $ob->name . "/" . $self->{path}
		1836	# if $self->per_party;
1496		1837
1497	$self	1838	$self
1498	}	1839	}
1499		1840
1500	# find and load all maps in the 3x3 area around a map	1841	# find and load all maps in the 3x3 area around a map
…		…
1611		1952
1612	sub reset_at {	1953	sub reset_at {
1613	my ($self) = @_;	1954	my ($self) = @_;
1614		1955
1615	# TODO: safety, remove and allow resettable per-player maps	1956	# TODO: safety, remove and allow resettable per-player maps
1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1617	return 1e99 if $self->{deny_reset};	1957	return 1e99 if $self->{deny_reset};
1618		1958
1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1959	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1960	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621		1961
…		…
1632	my ($self) = @_;	1972	my ($self) = @_;
1633		1973
1634	my $lock = cf::lock_acquire "map_data:$self->{path}";	1974	my $lock = cf::lock_acquire "map_data:$self->{path}";
1635		1975
1636	return if $self->players;	1976	return if $self->players;
1637	return if $self->isa ("ext::map_per_player");#d#
1638		1977
1639	warn "resetting map ", $self->path;#d#	1978	warn "resetting map ", $self->path;
1640		1979
1641	$self->in_memory (cf::MAP_SWAPPED);	1980	$self->in_memory (cf::MAP_SWAPPED);
1642		1981
1643	# need to save uniques path	1982	# need to save uniques path
1644	unless ($self->{deny_save}) {	1983	unless ($self->{deny_save}) {
…		…
1676	$cf::MAP{$self->path} = $self;	2015	$cf::MAP{$self->path} = $self;
1677		2016
1678	$self->reset; # polite request, might not happen	2017	$self->reset; # polite request, might not happen
1679	}	2018	}
1680		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
1681	=item cf::map::unique_maps	2056	=item cf::map::unique_maps
1682		2057
1683	Returns an arrayref of paths of all shared maps that have	2058	Returns an arrayref of paths of all shared maps that have
1684	instantiated unique items. May block.	2059	instantiated unique items. May block.
1685		2060
1686	=cut	2061	=cut
1687		2062
1688	sub unique_maps() {	2063	sub unique_maps() {
1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2064	[
1690	or return;	2065	map {
1691
1692	my @paths;
1693
1694	for (@$files) {
1695	utf8::decode $_;	2066	utf8::decode $_;
1696	next if /\.pst$/;	2067	/\.map$/
1697	next unless /^$PATH_SEP/o;	2068	? normalise $_
1698		2069	: ()
1699	push @paths, cf::map::normalise $_;	2070	} @{ aio_readdir $UNIQUEDIR or [] }
1700	}	2071	]
1701
1702	\@paths
1703	}	2072	}
1704		2073
1705	package cf;	2074	package cf;
1706		2075
1707	=back	2076	=back
…		…
1753		2122
1754	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2123	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755		2124
1756	if ($self->{record_replies}) {	2125	if ($self->{record_replies}) {
1757	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2126	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2127
1758	} 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 {
1759	$msg = $npc->name . " says: $msg" if $npc;	2141	$msg = $npc->name . " says: $msg" if $npc;
1760	$self->message ($msg, $flags);	2142	$self->message ($msg, $flags);
		2143	}
1761	}	2144	}
1762	}	2145	}
1763		2146
1764	=item $player_object->may ("access")	2147	=item $player_object->may ("access")
1765		2148
…		…
1813	$self->deactivate_recursive;	2196	$self->deactivate_recursive;
1814		2197
1815	return if UNIVERSAL::isa $self->map, "ext::map_link";	2198	return if UNIVERSAL::isa $self->map, "ext::map_link";
1816		2199
1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818	if $self->map;	2201	if $self->map && $self->map->{path} ne "{link}";
1819		2202
1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1821	}	2204	}
1822		2205
1823	sub cf::object::player::leave_link {	2206	sub cf::object::player::leave_link {
1824	my ($self, $map, $x, $y) = @_;	2207	my ($self, $map, $x, $y) = @_;
		2208
		2209	return unless $self->contr->active;
1825		2210
1826	my $link_pos = delete $self->{_link_pos};	2211	my $link_pos = delete $self->{_link_pos};
1827		2212
1828	unless ($map) {	2213	unless ($map) {
1829	# restore original map position	2214	# restore original map position
…		…
1852		2237
1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854	$self->enter_map ($map, $x, $y);	2239	$self->enter_map ($map, $x, $y);
1855	}	2240	}
1856		2241
1857	cf::player->attach (
1858	on_logout => sub {
1859	my ($pl) = @_;
1860
1861	# abort map switching before logout
1862	if ($pl->ob->{_link_pos}) {
1863	cf::sync_job {
1864	$pl->ob->leave_link
1865	};
1866	}
1867	},
1868	on_login => sub {
1869	my ($pl) = @_;
1870
1871	# try to abort aborted map switching on player login :)
1872	# should happen only on crashes
1873	if ($pl->ob->{_link_pos}) {
1874	$pl->ob->enter_link;
1875	(async {
1876	$pl->ob->reply (undef,
1877	"There was an internal problem at your last logout, "
1878	. "the server will try to bring you to your intended destination in a second.",
1879	cf::NDI_RED);
1880	# we need this sleep as the login has a concurrent enter_exit running
1881	# and this sleep increases chances of the player not ending up in scorn
1882	Coro::Timer::sleep 1;
1883	$pl->ob->leave_link;
1884	})->prio (2);
1885	}
1886	},
1887	);
1888
1889	=item $player_object->goto ($path, $x, $y)	2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1890		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
1891	=cut	2249	=cut
		2250
		2251	our $GOTOGEN;
1892		2252
1893	sub cf::object::player::goto {	2253	sub cf::object::player::goto {
1894	my ($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;
1895		2258
1896	$self->enter_link;	2259	$self->enter_link;
1897		2260
1898	(async {	2261	(async {
1899	my $map = eval {	2262	my $map = eval {
1900	my $map = cf::map::find $path;	2263	my $map = cf::map::find $path;
		2264
		2265	if ($map) {
1901	$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
1902	$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 $@;
1903	} or	2278	}
1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905		2279
		2280	if ($gen == $self->{_goto_generation}) {
		2281	delete $self->{_goto_generation};
1906	$self->leave_link ($map, $x, $y);	2282	$self->leave_link ($map, $x, $y);
		2283	}
1907	})->prio (1);	2284	})->prio (1);
1908	}	2285	}
1909		2286
1910	=item $player_object->enter_exit ($exit_object)	2287	=item $player_object->enter_exit ($exit_object)
1911		2288
…		…
1950		2327
1951	$rmp->{random_seed} ||= $exit->random_seed;	2328	$rmp->{random_seed} ||= $exit->random_seed;
1952		2329
1953	my $data = cf::to_json $rmp;	2330	my $data = cf::to_json $rmp;
1954	my $md5 = Digest::MD5::md5_hex $data;	2331	my $md5 = Digest::MD5::md5_hex $data;
1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2332	my $meta = "$RANDOMDIR/$md5.meta";
1956		2333
1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958	aio_write $fh, 0, (length $data), $data, 0;	2335	aio_write $fh, 0, (length $data), $data, 0;
1959	undef $fh;	2336	undef $fh;
1960	aio_rename "$meta~", $meta;	2337	aio_rename "$meta~", $meta;
…		…
1969		2346
1970	return unless $self->type == cf::PLAYER;	2347	return unless $self->type == cf::PLAYER;
1971		2348
1972	if ($exit->slaying eq "/!") {	2349	if ($exit->slaying eq "/!") {
1973	#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
1974	cf::sync_job { prepare_random_map $exit };	2353	cf::sync_job { prepare_random_map $exit };
1975	}	2354	}
1976		2355
1977	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;
1978	my $hp = $exit->stats->hp;	2357	my $hp = $exit->stats->hp;
1979	my $sp = $exit->stats->sp;	2358	my $sp = $exit->stats->sp;
1980		2359
1981	$self->enter_link;	2360	$self->enter_link;
		2361
		2362	# if exit is damned, update players death & WoR home-position
		2363	$self->contr->savebed ($slaying, $hp, $sp)
		2364	if $exit->flag (FLAG_DAMNED);
1982		2365
1983	(async {	2366	(async {
1984	$self->deactivate_recursive; # just to be sure	2367	$self->deactivate_recursive; # just to be sure
1985	unless (eval {	2368	unless (eval {
1986	$self->goto ($slaying, $hp, $sp);	2369	$self->goto ($slaying, $hp, $sp);
1987		2370
1988	1;	2371	1;
1989	}) {	2372	}) {
1990	$self->message ("Something went wrong deep within the crossfire server. "	2373	$self->message ("Something went wrong deep within the crossfire server. "
1991	. "I'll try to bring you back to the map you were before. "	2374	. "I'll try to bring you back to the map you were before. "
1992	. "Please report this to the dungeon master!",	2375	. "Please report this to the dungeon master!",
1993	cf::NDI_UNIQUE | cf::NDI_RED);	2376	cf::NDI_UNIQUE | cf::NDI_RED);
1994		2377
1995	warn "ERROR in enter_exit: $@";	2378	warn "ERROR in enter_exit: $@";
1996	$self->leave_link;	2379	$self->leave_link;
1997	}	2380	}
1998	})->prio (1);	2381	})->prio (1);
…		…
2014		2397
2015	utf8::encode $text;	2398	utf8::encode $text;
2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2399	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2017	}	2400	}
2018		2401
		2402	=item $client->send_msg ($color, $type, $msg, [extra...])
		2403
		2404	Send a drawinfo or msg packet to the client, formatting the msg for the
		2405	client if neccessary. C<$type> should be a string identifying the type of
		2406	the message, with C<log> being the default. If C<$color> is negative, suppress
		2407	the message unless the client supports the msg packet.
		2408
		2409	=cut
		2410
		2411	sub cf::client::send_msg {
		2412	my ($self, $color, $type, $msg, @extra) = @_;
		2413
		2414	$msg = $self->pl->expand_cfpod ($msg);
		2415
		2416	return unless @extra || length $msg;
		2417
		2418	if ($self->can_msg) {
		2419	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2420	} else {
		2421	# replace some tags by gcfclient-compatible ones
		2422	for ($msg) {
		2423	1 while
		2424	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2425	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2426	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2427	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2428	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2429	}
		2430
		2431	if ($color >= 0) {
		2432	if (0 && $msg =~ /\[/) {
		2433	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2434	} else {
		2435	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2436	$self->send_packet ("drawinfo $color $msg")
		2437	}
		2438	}
		2439	}
		2440	}
		2441
		2442	=item $client->ext_event ($type, %msg)
		2443
		2444	Sends an ext event to the client.
		2445
		2446	=cut
		2447
		2448	sub cf::client::ext_event($$%) {
		2449	my ($self, $type, %msg) = @_;
		2450
		2451	$msg{msgtype} = "event_$type";
		2452	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2453	}
2019		2454
2020	=item $success = $client->query ($flags, "text", \&cb)	2455	=item $success = $client->query ($flags, "text", \&cb)
2021		2456
2022	Queues a query to the client, calling the given callback with	2457	Queues a query to the client, calling the given callback with
2023	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2458	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2024	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2459	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2025		2460
2026	Queries can fail, so check the return code. Or don't, as queries will become	2461	Queries can fail, so check the return code. Or don't, as queries will
2027	reliable at some point in the future.	2462	become reliable at some point in the future.
2028		2463
2029	=cut	2464	=cut
2030		2465
2031	sub cf::client::query {	2466	sub cf::client::query {
2032	my ($self, $flags, $text, $cb) = @_;	2467	my ($self, $flags, $text, $cb) = @_;
…		…
2040	utf8::encode $text;	2475	utf8::encode $text;
2041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2476	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042		2477
2043	$self->send_packet ($self->{query_queue}[0][0])	2478	$self->send_packet ($self->{query_queue}[0][0])
2044	if @{ $self->{query_queue} } == 1;	2479	if @{ $self->{query_queue} } == 1;
		2480
		2481	1
2045	}	2482	}
2046		2483
2047	cf::client->attach (	2484	cf::client->attach (
		2485	on_connect => sub {
		2486	my ($ns) = @_;
		2487
		2488	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2489	},
2048	on_reply => sub {	2490	on_reply => sub {
2049	my ($ns, $msg) = @_;	2491	my ($ns, $msg) = @_;
2050		2492
2051	# this weird shuffling is so that direct followup queries	2493	# this weird shuffling is so that direct followup queries
2052	# get handled first	2494	# get handled first
…		…
2064	} else {	2506	} else {
2065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2507	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066	}	2508	}
2067	}	2509	}
2068	},	2510	},
		2511	on_exticmd => sub {
		2512	my ($ns, $buf) = @_;
		2513
		2514	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2515
		2516	if (ref $msg) {
		2517	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2518	if (my %reply = $cb->($ns, $msg)) {
		2519	$reply{msgid} = $msg->{msgid};
		2520	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2521	}
		2522	}
		2523	} else {
		2524	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2525	}
		2526
		2527	cf::override;
		2528	},
2069	);	2529	);
2070		2530
2071	=item $client->async (\&cb)	2531	=item $client->async (\&cb)
2072		2532
2073	Create a new coroutine, running the specified callback. The coroutine will	2533	Create a new coroutine, running the specified callback. The coroutine will
…		…
2122		2582
2123	=pod	2583	=pod
2124		2584
2125	The following functions and methods are available within a safe environment:	2585	The following functions and methods are available within a safe environment:
2126		2586
2127	cf::object contr pay_amount pay_player map	2587	cf::object
		2588	contr pay_amount pay_player map x y force_find force_add
		2589	insert remove
		2590
2128	cf::object::player player	2591	cf::object::player
2129	cf::player peaceful	2592	player
2130	cf::map trigger	2593
		2594	cf::player
		2595	peaceful
		2596
		2597	cf::map
		2598	trigger
2131		2599
2132	=cut	2600	=cut
2133		2601
2134	for (	2602	for (
2135	["cf::object" => qw(contr pay_amount pay_player map)],	2603	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2604	insert remove)],
2136	["cf::object::player" => qw(player)],	2605	["cf::object::player" => qw(player)],
2137	["cf::player" => qw(peaceful)],	2606	["cf::player" => qw(peaceful)],
2138	["cf::map" => qw(trigger)],	2607	["cf::map" => qw(trigger)],
2139	) {	2608	) {
2140	no strict 'refs';	2609	no strict 'refs';
…		…
2211	=back	2680	=back
2212		2681
2213	=cut	2682	=cut
2214		2683
2215	#############################################################################	2684	#############################################################################
2216
2217	=head2 EXTENSION DATABASE SUPPORT
2218
2219	Crossfire maintains a very simple database for extension use. It can
2220	currently store anything that can be serialised using Storable, which
2221	excludes objects.
2222
2223	The parameter C<$family> should best start with the name of the extension
2224	using it, it should be unique.
2225
2226	=over 4
2227
2228	=item $value = cf::db_get $family => $key
2229
2230	Returns a single value from the database.
2231
2232	=item cf::db_put $family => $key => $value
2233
2234	Stores the given C<$value> in the family.
2235
2236	=cut
2237
2238	our $DB;
2239
2240	sub db_init {
2241	unless ($DB) {
2242	$DB = BDB::db_create $DB_ENV;
2243
2244	cf::sync_job {
2245	eval {
2246	$DB->set_flags (BDB::CHKSUM);
2247
2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250	cf::cleanup "db_open(db): $!" if $!;
2251	};
2252	cf::cleanup "db_open(db): $@" if $@;
2253	};
2254
2255	my $path = cf::localdir . "/database.pst";
2256	if (stat $path) {
2257	cf::sync_job {
2258	my $pst = Storable::retrieve $path;
2259
2260	cf::db_put (board => data => $pst->{board});
2261	cf::db_put (guildrules => data => $pst->{guildrules});
2262	cf::db_put (rent => balance => $pst->{rent}{balance});
2263	BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265	unlink $path;
2266	};
2267	}
2268	}
2269	}
2270
2271	sub db_get($$) {
2272	my $key = "$_[0]/$_[1]";
2273
2274	cf::sync_job {
2275	BDB::db_get $DB, undef, $key, my $data;
2276
2277	$! ? ()
2278	: Compress::LZF::sthaw $data
2279	}
2280	}
2281
2282	sub db_put($$$) {
2283	BDB::dbreq_pri 4;
2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285	}
2286
2287	#############################################################################
2288	# the server's init and main functions	2685	# the server's init and main functions
2289		2686
2290	sub load_facedata {	2687	sub load_facedata($) {
2291	my $path = sprintf "%s/facedata", cf::datadir;	2688	my ($path) = @_;
2292		2689
2293	warn "loading facedata from $path\n";	2690	warn "loading facedata from $path\n";
2294		2691
2295	my $faces;	2692	my $facedata;
2296	0 < aio_load $path, $faces	2693	0 < aio_load $path, $facedata
2297	or die "$path: $!";	2694	or die "$path: $!";
2298		2695
2299	Coro::cede;
2300	$faces = Storable::thaw $faces;	2696	$facedata = Coro::Storable::thaw $facedata;
2301	Coro::cede;
2302		2697
2303	my $meta = delete $faces->{""};
2304	$meta->{version} == 1	2698	$facedata->{version} == 2
2305	or cf::cleanup "$path: version mismatch, cannot proceed.";	2699	or cf::cleanup "$path: version mismatch, cannot proceed.";
2306		2700
		2701	{
		2702	my $faces = $facedata->{faceinfo};
		2703
2307	while (my ($face, $info) = each %$faces) {	2704	while (my ($face, $info) = each %$faces) {
2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2705	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2706	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2707	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2708	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2312	Coro::cede;	2709	Coro::cede;
2313	}	2710	}
2314		2711
2315	while (my ($face, $info) = each %$faces) {	2712	while (my ($face, $info) = each %$faces) {
2316	next unless $info->{smooth};	2713	next unless $info->{smooth};
2317	my $idx = cf::face::find $face	2714	my $idx = cf::face::find $face
2318	or next;	2715	or next;
2319	if (my $smooth = cf::face::find $info->{smooth}) {	2716	if (my $smooth = cf::face::find $info->{smooth}) {
2320	cf::face::set_smooth $idx, $smooth;	2717	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2321	} else {	2718	} else {
2322	warn "smooth face '$info->{smooth}' not found for face '$face'";	2719	warn "smooth face '$info->{smooth}' not found for face '$face'";
2323	}	2720	}
2324	Coro::cede;	2721	Coro::cede;
		2722	}
		2723	}
		2724
		2725	{
		2726	my $anims = $facedata->{animinfo};
		2727
		2728	while (my ($anim, $info) = each %$anims) {
		2729	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2730	Coro::cede;
		2731	}
		2732
		2733	cf::anim::invalidate_all; # d'oh
2325	}	2734	}
2326		2735
2327	1	2736	1
2328	}	2737	}
2329		2738
		2739	sub reload_regions {
		2740	load_resource_file "$MAPDIR/regions"
		2741	or die "unable to load regions file\n";
		2742	}
		2743
		2744	sub reload_facedata {
		2745	load_facedata "$DATADIR/facedata"
		2746	or die "unable to load facedata\n";
		2747	}
		2748
		2749	sub reload_archetypes {
		2750	load_resource_file "$DATADIR/archetypes"
		2751	or die "unable to load archetypes\n";
		2752	#d# NEED to laod twice to resolve forward references
		2753	# this really needs to be done in an extra post-pass
		2754	# (which needs to be synchronous, so solve it differently)
		2755	load_resource_file "$DATADIR/archetypes"
		2756	or die "unable to load archetypes\n";
		2757	}
		2758
		2759	sub reload_treasures {
		2760	load_resource_file "$DATADIR/treasures"
		2761	or die "unable to load treasurelists\n";
		2762	}
		2763
2330	sub reload_resources {	2764	sub reload_resources {
2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2765	warn "reloading resource files...\n";
2332	or die "unable to load regions file\n";#d#	2766
		2767	reload_regions;
2333	load_facedata	2768	reload_facedata;
2334	or die "unable to load facedata\n";#d#	2769	#reload_archetypes;#d#
		2770	reload_archetypes;
		2771	reload_treasures;
		2772
		2773	warn "finished reloading resource files\n";
2335	}	2774	}
2336		2775
2337	sub init {	2776	sub init {
2338	reload_resources;	2777	reload_resources;
2339	}	2778	}
2340		2779
2341	sub cfg_load {	2780	sub cfg_load {
2342	open my $fh, "<:utf8", cf::confdir . "/config"	2781	open my $fh, "<:utf8", "$CONFDIR/config"
2343	or return;	2782	or return;
2344		2783
2345	local $/;	2784	local $/;
2346	*CFG = YAML::Syck::Load <$fh>;	2785	*CFG = YAML::Syck::Load <$fh>;
2347		2786
…		…
2392	},	2831	},
2393	);	2832	);
2394	}	2833	}
2395	}	2834	}
2396		2835
		2836	sub write_runtime {
		2837	my $runtime = "$LOCALDIR/runtime";
		2838
		2839	# first touch the runtime file to show we are still running:
		2840	# the fsync below can take a very very long time.
		2841
		2842	IO::AIO::aio_utime $runtime, undef, undef;
		2843
		2844	my $guard = cf::lock_acquire "write_runtime";
		2845
		2846	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2847	or return;
		2848
		2849	my $value = $cf::RUNTIME + 90 + 10;
		2850	# 10 is the runtime save interval, for a monotonic clock
		2851	# 60 allows for the watchdog to kill the server.
		2852
		2853	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2854	and return;
		2855
		2856	# always fsync - this file is important
		2857	aio_fsync $fh
		2858	and return;
		2859
		2860	# touch it again to show we are up-to-date
		2861	aio_utime $fh, undef, undef;
		2862
		2863	close $fh
		2864	or return;
		2865
		2866	aio_rename "$runtime~", $runtime
		2867	and return;
		2868
		2869	warn "runtime file written.\n";
		2870
		2871	1
		2872	}
		2873
2397	sub emergency_save() {	2874	sub emergency_save() {
2398	my $freeze_guard = cf::freeze_mainloop;	2875	my $freeze_guard = cf::freeze_mainloop;
2399		2876
2400	warn "enter emergency perl save\n";	2877	warn "enter emergency perl save\n";
2401		2878
…		…
2432		2909
2433	warn Carp::longmess "post_cleanup backtrace"	2910	warn Carp::longmess "post_cleanup backtrace"
2434	if $make_core;	2911	if $make_core;
2435	}	2912	}
2436		2913
2437	sub reload() {	2914	sub do_reload_perl() {
2438	# can/must only be called in main	2915	# can/must only be called in main
2439	if ($Coro::current != $Coro::main) {	2916	if ($Coro::current != $Coro::main) {
2440	warn "can only reload from main coroutine";	2917	warn "can only reload from main coroutine";
2441	return;	2918	return;
2442	}	2919	}
…		…
2476	%EXT_CORO = ();	2953	%EXT_CORO = ();
2477		2954
2478	warn "removing commands";	2955	warn "removing commands";
2479	%COMMAND = ();	2956	%COMMAND = ();
2480		2957
2481	warn "removing ext commands";	2958	warn "removing ext/exti commands";
2482	%EXTCMD = ();	2959	%EXTCMD = ();
		2960	%EXTICMD = ();
2483		2961
2484	warn "unloading/nuking all extensions";	2962	warn "unloading/nuking all extensions";
2485	for my $pkg (@EXTS) {	2963	for my $pkg (@EXTS) {
2486	warn "... unloading $pkg";	2964	warn "... unloading $pkg";
2487		2965
…		…
2517	Symbol::delete_package "safe::$_"	2995	Symbol::delete_package "safe::$_"
2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2996	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2519		2997
2520	warn "unloading cf.pm \"a bit\"";	2998	warn "unloading cf.pm \"a bit\"";
2521	delete $INC{"cf.pm"};	2999	delete $INC{"cf.pm"};
		3000	delete $INC{"cf/pod.pm"};
2522		3001
2523	# don't, removes xs symbols, too,	3002	# don't, removes xs symbols, too,
2524	# and global variables created in xs	3003	# and global variables created in xs
2525	#Symbol::delete_package __PACKAGE__;	3004	#Symbol::delete_package __PACKAGE__;
2526		3005
…		…
2541	warn "reattaching attachments to maps";	3020	warn "reattaching attachments to maps";
2542	reattach $_ for values %MAP;	3021	reattach $_ for values %MAP;
2543	warn "reattaching attachments to players";	3022	warn "reattaching attachments to players";
2544	reattach $_ for values %PLAYER;	3023	reattach $_ for values %PLAYER;
2545		3024
2546	warn "loading reloadable resources";
2547	reload_resources;
2548
2549	warn "leaving sync_job";	3025	warn "leaving sync_job";
2550		3026
2551	1	3027	1
2552	} or do {	3028	} or do {
2553	warn $@;	3029	warn $@;
…		…
2558	warn "reloaded";	3034	warn "reloaded";
2559	};	3035	};
2560		3036
2561	our $RELOAD_WATCHER; # used only during reload	3037	our $RELOAD_WATCHER; # used only during reload
2562		3038
		3039	sub reload_perl() {
		3040	# doing reload synchronously and two reloads happen back-to-back,
		3041	# coro crashes during coro_state_free->destroy here.
		3042
		3043	$RELOAD_WATCHER ||= Event->timer (
		3044	reentrant => 0,
		3045	after => 0,
		3046	data => WF_AUTOCANCEL,
		3047	cb => sub {
		3048	do_reload_perl;
		3049	undef $RELOAD_WATCHER;
		3050	},
		3051	);
		3052	}
		3053
2563	register_command "reload" => sub {	3054	register_command "reload" => sub {
2564	my ($who, $arg) = @_;	3055	my ($who, $arg) = @_;
2565		3056
2566	if ($who->flag (FLAG_WIZ)) {	3057	if ($who->flag (FLAG_WIZ)) {
2567	$who->message ("reloading server.");	3058	$who->message ("reloading server.");
2568		3059	async { reload_perl };
2569	# doing reload synchronously and two reloads happen back-to-back,
2570	# coro crashes during coro_state_free->destroy here.
2571
2572	$RELOAD_WATCHER ||= Event->timer (
2573	reentrant => 0,
2574	after => 0,
2575	data => WF_AUTOCANCEL,
2576	cb => sub {
2577	reload;
2578	undef $RELOAD_WATCHER;
2579	},
2580	);
2581	}	3060	}
2582	};	3061	};
2583		3062
2584	unshift @INC, $LIBDIR;	3063	unshift @INC, $LIBDIR;
2585		3064
2586	my $bug_warning = 0;	3065	my $bug_warning = 0;
2587		3066
		3067	our @WAIT_FOR_TICK;
		3068	our @WAIT_FOR_TICK_BEGIN;
		3069
		3070	sub wait_for_tick {
		3071	return unless $TICK_WATCHER->is_active;
		3072	return if $Coro::current == $Coro::main;
		3073
		3074	my $signal = new Coro::Signal;
		3075	push @WAIT_FOR_TICK, $signal;
		3076	$signal->wait;
		3077	}
		3078
		3079	sub wait_for_tick_begin {
		3080	return unless $TICK_WATCHER->is_active;
		3081	return if $Coro::current == $Coro::main;
		3082
		3083	my $signal = new Coro::Signal;
		3084	push @WAIT_FOR_TICK_BEGIN, $signal;
		3085	$signal->wait;
		3086	}
		3087
		3088	my $min = 1e6;#d#
		3089	my $avg = 10;
2588	$TICK_WATCHER = Event->timer (	3090	$TICK_WATCHER = Event->timer (
2589	reentrant => 0,	3091	reentrant => 0,
2590	parked => 1,	3092	parked => 1,
2591	prio => 0,	3093	prio => 0,
2592	at => $NEXT_TICK || $TICK,	3094	at => $NEXT_TICK || $TICK,
…		…
2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3098	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597	unless ++$bug_warning > 10;	3099	unless ++$bug_warning > 10;
2598	return;	3100	return;
2599	}	3101	}
2600		3102
2601	$NOW = Event::time;	3103	$NOW = $tick_start = Event::time;
2602		3104
2603	cf::server_tick; # one server iteration	3105	cf::server_tick; # one server iteration
		3106
		3107	0 && sync_job {#d#
		3108	for(1..10) {
		3109	my $t = Event::time;
		3110	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3111	or die;
		3112
		3113	$map->width (50);
		3114	$map->height (50);
		3115	$map->alloc;
		3116	$map->_load_objects ("/tmp/x.map", 1);
		3117	my $t = Event::time - $t;
		3118
		3119	#next unless $t < 0.0013;#d#
		3120	if ($t < $min) {
		3121	$min = $t;
		3122	}
		3123	$avg = $avg * 0.99 + $t * 0.01;
		3124	}
		3125	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3126	exit 0;
		3127	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3128	};
		3129
2604	$RUNTIME += $TICK;	3130	$RUNTIME += $TICK;
2605	$NEXT_TICK += $TICK;	3131	$NEXT_TICK += $TICK;
2606		3132
2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3133	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608	$NEXT_RUNTIME_WRITE = $NOW + 10;	3134	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2610	write_runtime	3136	write_runtime
2611	or warn "ERROR: unable to write runtime file: $!";	3137	or warn "ERROR: unable to write runtime file: $!";
2612	};	3138	};
2613	}	3139	}
2614		3140
2615	$WAIT_FOR_TICK->broadcast;
2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617
2618	# my $AFTER = Event::time;	3141	# my $AFTER = Event::time;
2619	# warn $AFTER - $NOW;#d#	3142	# warn $AFTER - $NOW;#d#
2620		3143
		3144	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3145	$sig->send;
		3146	}
		3147	while (my $sig = shift @WAIT_FOR_TICK) {
		3148	$sig->send;
		3149	}
		3150
		3151	$NOW = Event::time;
		3152
2621	# if we are delayed by four ticks or more, skip them all	3153	# if we are delayed by four ticks or more, skip them all
2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3154	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2623		3155
2624	$TICK_WATCHER->at ($NEXT_TICK);	3156	$TICK_WATCHER->at ($NEXT_TICK);
2625	$TICK_WATCHER->start;	3157	$TICK_WATCHER->start;
		3158
		3159	$LOAD = ($NOW - $tick_start) / $TICK;
		3160	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3161
		3162	_post_tick;
		3163
		3164
2626	},	3165	},
2627	);	3166	);
2628		3167
2629	{	3168	{
2630	BDB::max_poll_time $TICK * 0.1;	3169	BDB::max_poll_time $TICK * 0.1;
…		…
2658		3197
2659	cf::sync_job {	3198	cf::sync_job {
2660	eval {	3199	eval {
2661	BDB::db_env_open	3200	BDB::db_env_open
2662	$DB_ENV,	3201	$DB_ENV,
2663	$BDB_ENV_DIR,	3202	$BDBDIR,
2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3203	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3204	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666	0666;	3205	0666;
2667		3206
2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3207	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669		3208
2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671	$DB_ENV->set_lk_detect;	3210	$DB_ENV->set_lk_detect;
2672	};	3211	};
2673		3212
…		…
2689	prio => 6,	3228	prio => 6,
2690	cb => \&IO::AIO::poll_cb,	3229	cb => \&IO::AIO::poll_cb,
2691	);	3230	);
2692	}	3231	}
2693		3232
		3233	my $_log_backtrace;
		3234
		3235	sub _log_backtrace {
		3236	my ($msg, @addr) = @_;
		3237
		3238	$msg =~ s/\n//;
		3239
		3240	# limit the # of concurrent backtraces
		3241	if ($_log_backtrace < 2) {
		3242	++$_log_backtrace;
		3243	async {
		3244	my @bt = fork_call {
		3245	@addr = map { sprintf "%x", $_ } @addr;
		3246	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3247	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3248	or die "addr2line: $!";
		3249
		3250	my @funcs;
		3251	my @res = <$fh>;
		3252	chomp for @res;
		3253	while (@res) {
		3254	my ($func, $line) = splice @res, 0, 2, ();
		3255	push @funcs, "[$func] $line";
		3256	}
		3257
		3258	@funcs
		3259	};
		3260
		3261	LOG llevInfo, "[ABT] $msg\n";
		3262	LOG llevInfo, "[ABT] $_\n" for @bt;
		3263	--$_log_backtrace;
		3264	};
		3265	} else {
		3266	LOG llevInfo, "[ABT] $msg\n";
		3267	LOG llevInfo, "[ABT] [suppressed]\n";
		3268	}
		3269	}
		3270
		3271	# load additional modules
		3272	use cf::pod;
		3273
2694	END { cf::emergency_save }	3274	END { cf::emergency_save }
2695		3275
2696	1	3276	1
2697		3277

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