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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.235 by root, Tue Apr 10 09:35:23 2007 UTC vs.
Revision 1.310 by elmex, Mon Jul 16 15:43:49 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 ();
27	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
28	use Time::HiRes;	32	use Time::HiRes;
29	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
30		35
31	# configure various modules to our taste	36	# configure various modules to our taste
32	#	37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	39	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	40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		41
36	$Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
37		43
…		…
45	our %COMMAND = ();	51	our %COMMAND = ();
46	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
47		53
48	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
52		59
53	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
54	our @EVENT;	61	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		62
57	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
58	our $TICK_WATCHER;	76	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	79	our $NEXT_TICK;
62	our $NOW;	80	our $NOW;
…		…
71	our $RUNTIME;	89	our $RUNTIME;
72		90
73	our %PLAYER; # all users	91	our %PLAYER; # all users
74	our %MAP; # all maps	92	our %MAP; # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	93	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		94
82	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
85	binmode STDOUT;	102	binmode STDOUT;
86	binmode STDERR;	103	binmode STDERR;
87		104
88	# read virtual server time, if available	105	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
93	}	110	}
94		111
95	mkdir cf::localdir;	112	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	113	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		114
102	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
103		116
104	sub cf::map::normalise;	117	sub cf::map::normalise;
105		118
…		…
116	=item $cf::RUNTIME	129	=item $cf::RUNTIME
117		130
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	132	every server tick.
120		133
121	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		137
123	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
125		142
126	=item $cf::NOW	143	=item $cf::NOW
127		144
128	The time of the last (current) server tick.	145	The time of the last (current) server tick.
129		146
130	=item $cf::TICK	147	=item $cf::TICK
131		148
132	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
133		160
134	=item %cf::CFG	161	=item %cf::CFG
135		162
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	164	from wherever your confdir points to.
138		165
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		167
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	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	169	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	170	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.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
145		177
146	=back	178	=back
147		179
148	=cut	180	=cut
149		181
150	BEGIN {	182	BEGIN {
151	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	184	my $msg = join "", @_;
153	utf8::encode $msg;
154		185
155	$msg .= "\n"	186	$msg .= "\n"
156	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
157		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
158	LOG llevError, $msg;	192	LOG llevError, $msg;
159	};	193	};
160	}	194	}
161		195
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		203
169	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	205	# within the Safe compartment.
171	for my $pkg (qw(	206	for my $pkg (qw(
172	cf::global cf::attachable	207	cf::global cf::attachable
…		…
180	}	215	}
181		216
182	$Event::DIED = sub {	217	$Event::DIED = sub {
183	warn "error in event callback: @_";	218	warn "error in event callback: @_";
184	};	219	};
		220
		221	#############################################################################
185		222
186	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
187		224
188	=over 4	225	=over 4
189		226
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	246	$d
210	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
211	}	248	}
212		249
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
216		251
217	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
218		253
219	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
220		255
221	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
		257
		258	=cut
		259
		260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		261
		262	sub to_json ($) { $json_coder->encode ($_[0]) }
		263	sub from_json ($) { $json_coder->decode ($_[0]) }
222		264
223	=item cf::lock_wait $string	265	=item cf::lock_wait $string
224		266
225	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
226		268
…		…
232	returned.	274	returned.
233		275
234	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
236		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
237	=cut	283	=cut
238		284
239	our %LOCK;	285	our %LOCK;
240		286
241	sub lock_wait($) {	287	sub lock_wait($) {
…		…
258		304
259	Coro::guard {	305	Coro::guard {
260	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
262	}	308	}
		309	}
		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
263	}	315	}
264		316
265	sub freeze_mainloop {	317	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
267		319
…		…
282		334
283	BEGIN { *async = \&Coro::async_pool }	335	BEGIN { *async = \&Coro::async_pool }
284		336
285	=item cf::sync_job { BLOCK }	337	=item cf::sync_job { BLOCK }
286		338
287	The design of crossfire+ requires that the main coro ($Coro::main) is	339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	340	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		342	acceptable.
290		343
291	If it must be done, put the blocking parts into C<sync_job>. This will run	344	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	345	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	346	server will be frozen during this time, so the block should either finish
294	fast or be very important.	347	fast or be very important.
…		…
297		350
298	sub sync_job(&) {	351	sub sync_job(&) {
299	my ($job) = @_;	352	my ($job) = @_;
300		353
301	if ($Coro::current == $Coro::main) {	354	if ($Coro::current == $Coro::main) {
		355	my $time = Event::time;
		356
302	# this is the main coro, too bad, we have to block	357	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	358	# till the operation succeeds, freezing the server :/
304		359
305	# TODO: use suspend/resume instead	360	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	361	# (but this is cancel-safe)
…		…
317		372
318	while ($busy) {	373	while ($busy) {
319	Coro::cede or Event::one_event;	374	Coro::cede or Event::one_event;
320	}	375	}
321		376
		377	$time = Event::time - $time;
		378
		379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		381
		382	$tick_start += $time; # do not account sync jobs to server load
		383
322	wantarray ? @res : $res[0]	384	wantarray ? @res : $res[0]
323	} else {	385	} else {
324	# we are in another coroutine, how wonderful, everything just works	386	# we are in another coroutine, how wonderful, everything just works
325		387
326	$job->()	388	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	407	$EXT_CORO{$coro+0} = $coro;
346		408
347	$coro	409	$coro
348	}	410	}
349		411
350	sub write_runtime {	412	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		413
353	my $runtime = cf::localdir . "/runtime";	414	Executes the given code block with the given arguments in a seperate
		415	process, returning the results. Everything must be serialisable with
		416	Coro::Storable. May, of course, block. Note that the executed sub may
		417	never block itself or use any form of Event handling.
354		418
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	419	=cut
356	or return;
357		420
358	my $value = $cf::RUNTIME + 90 + 10;	421	sub _store_scalar {
359	# 10 is the runtime save interval, for a monotonic clock	422	open my $fh, ">", \my $buf
360	# 60 allows for the watchdog to kill the server.	423	or die "fork_call: cannot open fh-to-buf in child : $!";
361		424	Storable::store_fd $_[0], $fh;
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
363	and return;
364
365	# always fsync - this file is important
366	aio_fsync $fh
367	and return;
368
369	close $fh	425	close $fh;
370	or return;
371		426
372	aio_rename "$runtime~", $runtime	427	$buf
373	and return;	428	}
374		429
		430	sub fork_call(&@) {
		431	my ($cb, @args) = @_;
		432
		433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		434	# or die "socketpair: $!";
		435	pipe my $fh1, my $fh2
		436	or die "pipe: $!";
		437
		438	if (my $pid = fork) {
		439	close $fh2;
		440
		441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		442	warn "pst<$res>" unless $res =~ /^pst/;
		443	$res = Coro::Storable::thaw $res;
		444
		445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		446
		447	Carp::confess $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
375	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		505	my $key = "$_[0]/$_[1]";
		506
		507	cf::sync_job {
		508	BDB::db_get $DB, undef, $key, my $data;
		509
		510	$! ? ()
		511	: $data
		512	}
		513	}
		514
		515	sub db_put($$$) {
		516	BDB::dbreq_pri 4;
		517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		518	}
		519
		520	=item cf::cache $id => [$paths...], $processversion => $process
		521
		522	Generic caching function that returns the value of the resource $id,
		523	caching and regenerating as required.
		524
		525	This function can block.
		526
		527	=cut
		528
		529	sub cache {
		530	my ($id, $src, $processversion, $process) = @_;
		531
		532	my $meta =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	aio_stat $_
		537	and Carp::croak "$_: $!";
		538
		539	($_, (stat _)[7,9])
		540	} @$src;
		541
		542	my $dbmeta = db_get cache => "$id/meta";
		543	if ($dbmeta ne $meta) {
		544	# changed, we may need to process
		545
		546	my @data;
		547	my $md5;
		548
		549	for (0 .. $#$src) {
		550	0 <= aio_load $src->[$_], $data[$_]
		551	or Carp::croak "$src->[$_]: $!";
		552	}
		553
		554	# if processing is expensive, check
		555	# checksum first
		556	if (1) {
		557	$md5 =
		558	join "\x00",
		559	$processversion,
		560	map {
		561	Coro::cede;
		562	($src->[$_], Digest::MD5::md5_hex $data[$_])
		563	} 0.. $#$src;
		564
		565
		566	my $dbmd5 = db_get cache => "$id/md5";
		567	if ($dbmd5 eq $md5) {
		568	db_put cache => "$id/meta", $meta;
		569
		570	return db_get cache => "$id/data";
		571	}
		572	}
		573
		574	my $t1 = Time::HiRes::time;
		575	my $data = $process->(\@data);
		576	my $t2 = Time::HiRes::time;
		577
		578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		579
		580	db_put cache => "$id/data", $data;
		581	db_put cache => "$id/md5" , $md5;
		582	db_put cache => "$id/meta", $meta;
		583
		584	return $data;
		585	}
		586
		587	db_get cache => "$id/data"
376	}	588	}
377		589
378	=item cf::datalog type => key => value, ...	590	=item cf::datalog type => key => value, ...
379		591
380	Log a datalog packet of the given type with the given key-value pairs.	592	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")	610	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
400		612
401	In the following description, CLASS can be any of C<global>, C<object>	613	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	614	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	615	Crossfire TRT).
404		616
405	=over 4	617	=over 4
406		618
407	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
408		620
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
572		784
573	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		789
578	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	791	my $pkg = shift @arg;
580		792
581	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
611	}	823	}
612		824
613	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
614	} else {	826	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	828	}
617		829
618	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
619	}	831	}
620		832
…		…
622	if (ref $_[0]) {	834	if (ref $_[0]) {
623	_object_attach @_;	835	_object_attach @_;
624	} else {	836	} else {
625	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
626	}	838	}
		839	_recalc_want;
627	};	840	};
628		841
629	# all those should be optimised	842	# all those should be optimised
630	sub cf::attachable::detach {	843	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
635	reattach ($obj);	848	reattach ($obj);
636	} else {	849	} else {
637	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
638	}	851	}
		852	_recalc_want;
639	};	853	};
640		854
641	sub cf::attachable::attached {	855	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
643		857
…		…
658	";	872	";
659	die if $@;	873	die if $@;
660	}	874	}
661		875
662	our $override;	876	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	877	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		878
665	sub override {	879	sub override {
666	$override = 1;	880	$override = 1;
667	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
668	}	882	}
669		883
670	sub do_invoke {	884	sub do_invoke {
671	my $event = shift;	885	my $event = shift;
672	my $callbacks = shift;	886	my $callbacks = shift;
673		887
674	@invoke_results = ();	888	@INVOKE_RESULTS = ();
675		889
676	local $override;	890	local $override;
677		891
678	for (@$callbacks) {	892	for (@$callbacks) {
679	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
696		910
697	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
698		912
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	913	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	914	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		916
703	=back	917	=back
704		918
705	=cut	919	=cut
706		920
…		…
816	or return;	1030	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };	1031	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1032	}
819		1033
820	warn sprintf "loading %s (%d)\n",	1034	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1035	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	1036	return ($data, $av);
823	}	1037	}
		1038
		1039	=head2 COMMAND CALLBACKS
		1040
		1041	=over 4
		1042
		1043	=cut
824		1044
825	#############################################################################	1045	#############################################################################
826	# command handling &c	1046	# command handling &c
827		1047
828	=item cf::register_command $name => \&callback($ob,$args);	1048	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1061	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1062	}
843		1063
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1064	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1065
846	Register a callbackf ro execution when the client sends an extcmd packet.	1066	Register a callback for execution when the client sends an (synchronous)
		1067	extcmd packet. Ext commands will be processed in the order they are
		1068	received by the server, like other user commands. The first argument is
		1069	the logged-in player. Ext commands can only be processed after a player
		1070	has logged in successfully.
847		1071
848	If the callback returns something, it is sent back as if reply was being	1072	If the callback returns something, it is sent back as if reply was being
849	called.	1073	called.
850		1074
		1075	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1076
		1077	Register a callback for execution when the client sends an (asynchronous)
		1078	exticmd packet. Exti commands are processed by the server as soon as they
		1079	are received, i.e. out of order w.r.t. other commands. The first argument
		1080	is a client socket. Exti commands can be received anytime, even before
		1081	log-in.
		1082
		1083	If the callback returns something, it is sent back as if reply was being
		1084	called.
		1085
851	=cut	1086	=cut
852		1087
853	sub register_extcmd {	1088	sub register_extcmd {
854	my ($name, $cb) = @_;	1089	my ($name, $cb) = @_;
855		1090
856	$EXTCMD{$name} = $cb;	1091	$EXTCMD{$name} = $cb;
		1092	}
		1093
		1094	sub register_exticmd {
		1095	my ($name, $cb) = @_;
		1096
		1097	$EXTICMD{$name} = $cb;
857	}	1098	}
858		1099
859	cf::player->attach (	1100	cf::player->attach (
860	on_command => sub {	1101	on_command => sub {
861	my ($pl, $name, $params) = @_;	1102	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1111	cf::override;
871	},	1112	},
872	on_extcmd => sub {	1113	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1114	my ($pl, $buf) = @_;
874		1115
875	my $msg = eval { from_json $buf };	1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1117
877	if (ref $msg) {	1118	if (ref $msg) {
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
879	if (my %reply = $cb->($pl, $msg)) {	1120	if (my %reply = $cb->($pl, $msg)) {
880	$pl->ext_reply ($msg->{msgid}, %reply);	1121	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
886		1127
887	cf::override;	1128	cf::override;
888	},	1129	},
889	);	1130	);
890		1131
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 {	1132	sub load_extensions {
		1133	cf::sync_job {
		1134	my %todo;
		1135
926	for my $ext (<$LIBDIR/*.ext>) {	1136	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1137	next unless -r $path;
928	eval {	1138
929	load_extension $ext;	1139	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1140	my $base = $1;
		1141	my $pkg = $1;
		1142	$pkg =~ s/[^[:word:]]/_/g;
		1143	$pkg = "ext::$pkg";
		1144
		1145	open my $fh, "<:utf8", $path
		1146	or die "$path: $!";
		1147
		1148	my $source = do { local $/; <$fh> };
		1149
		1150	my %ext = (
		1151	path => $path,
		1152	base => $base,
		1153	pkg => $pkg,
		1154	);
		1155
		1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1158
		1159	$ext{source} =
		1160	"package $pkg; use strict; use utf8;\n"
		1161	. "#line 1 \"$path\"\n{\n"
		1162	. $source
		1163	. "\n};\n1";
		1164
		1165	$todo{$base} = \%ext;
		1166	}
		1167
		1168	my %done;
		1169	while (%todo) {
		1170	my $progress;
		1171
		1172	while (my ($k, $v) = each %todo) {
		1173	for (split /,\s*/, $v->{meta}{depends}) {
		1174	goto skip
		1175	unless exists $done{$_};
		1176	}
		1177
		1178	warn "... loading '$k' into '$v->{pkg}'\n";
		1179
		1180	unless (eval $v->{source}) {
		1181	my $msg = $@ ? "$v->{path}: $@\n"
		1182	: "$v->{base}: extension inactive.\n";
		1183
		1184	if (exists $v->{meta}{mandatory}) {
		1185	warn $msg;
		1186	warn "mandatory extension failed to load, exiting.\n";
		1187	exit 1;
		1188	}
		1189
		1190	warn $msg;
		1191	}
		1192
		1193	$done{$k} = delete $todo{$k};
		1194	push @EXTS, $v->{pkg};
		1195	$progress = 1;
930	1	1196	}
931	} or warn "$ext not loaded: $@";	1197
		1198	skip:
		1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1200	unless $progress;
		1201	}
932	}	1202	};
933	}	1203	}
934		1204
935	#############################################################################	1205	#############################################################################
936		1206
		1207	=back
		1208
937	=head2 CORE EXTENSIONS	1209	=head2 CORE EXTENSIONS
938		1210
939	Functions and methods that extend core crossfire objects.	1211	Functions and methods that extend core crossfire objects.
940		1212
941	=cut	1213	=cut
…		…
953	Returns the given player object, loading it if necessary (might block).	1225	Returns the given player object, loading it if necessary (might block).
954		1226
955	=cut	1227	=cut
956		1228
957	sub playerdir($) {	1229	sub playerdir($) {
958	cf::localdir	1230	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1231	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1232	}
964		1233
965	sub path($) {	1234	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1235	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1086	while and may block, so not sync_job-capable, ever.	1355	while and may block, so not sync_job-capable, ever.
1087		1356
1088	=cut	1357	=cut
1089		1358
1090	sub list_logins {	1359	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1360	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1361	or return [];
1093		1362
1094	my @logins;	1363	my @logins;
1095		1364
1096	for my $login (@$dirs) {	1365	for my $login (@$dirs) {
…		…
1131	}	1400	}
1132		1401
1133	\@paths	1402	\@paths
1134	}	1403	}
1135		1404
		1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1406
		1407	Expand crossfire pod fragments into protocol xml.
		1408
		1409	=cut
		1410
		1411	sub expand_cfpod {
		1412	((my $self), (local $_)) = @_;
		1413
		1414	# escape & and <
		1415	s/&/&amp;/g;
		1416	s/(?<![BIUGH])</&lt;/g;
		1417
		1418	# this is buggy, it needs to properly take care of nested <'s
		1419
		1420	1 while
		1421	# replace B<>, I<>, U<> etc.
		1422	s/B<([^\>]*)>/<b>$1<\/b>/
		1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1425	# replace G<male|female> tags
		1426	|| s{G<([^>|]*)\|([^>]*)>}{
		1427	$self->gender ? $2 : $1
		1428	}ge
		1429	# replace H<hint text>
		1430	|| s{H<([^\>]*)>}
		1431	{
		1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1434	"")
		1435	[$self->{hintmode}]
		1436	}ge;
		1437
		1438	# create single paragraphs (very hackish)
		1439	s/(?<=\S)\n(?=\w)/ /g;
		1440
		1441	# compress some whitespace
		1442	s/\s+\n/\n/g; # ws line-ends
		1443	s/\n\n+/\n/g; # double lines
		1444	s/^\n+//; # beginning lines
		1445	s/\n+$//; # ending lines
		1446
		1447	$_
		1448	}
		1449
		1450	sub hintmode {
		1451	$_[0]{hintmode} = $_[1] if @_ > 1;
		1452	$_[0]{hintmode}
		1453	}
		1454
1136	=item $player->ext_reply ($msgid, %msg)	1455	=item $player->ext_reply ($msgid, %msg)
1137		1456
1138	Sends an ext reply to the player.	1457	Sends an ext reply to the player.
1139		1458
1140	=cut	1459	=cut
1141		1460
1142	sub ext_reply($$%) {	1461	sub ext_reply($$%) {
1143	my ($self, $id, %msg) = @_;	1462	my ($self, $id, %msg) = @_;
1144		1463
1145	$msg{msgid} = $id;	1464	$msg{msgid} = $id;
1146		1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1466	}
1149		1467
1150	=item $player->ext_event ($type, %msg)	1468	=item $player->ext_event ($type, %msg)
1151		1469
1152	Sends an ext event to the client.	1470	Sends an ext event to the client.
…		…
1157	my ($self, $type, %msg) = @_;	1475	my ($self, $type, %msg) = @_;
1158		1476
1159	$self->ns->ext_event ($type, %msg);	1477	$self->ns->ext_event ($type, %msg);
1160	}	1478	}
1161		1479
1162	package cf;	1480	=head3 cf::region
		1481
		1482	=over 4
		1483
		1484	=cut
		1485
		1486	package cf::region;
		1487
		1488	=item cf::region::find_by_path $path
		1489
		1490	Tries to decuce the likely region for a map knowing only its path.
		1491
		1492	=cut
		1493
		1494	sub find_by_path($) {
		1495	my ($path) = @_;
		1496
		1497	my ($match, $specificity);
		1498
		1499	for my $region (list) {
		1500	if ($region->{match} && $path =~ $region->{match}) {
		1501	($match, $specificity) = ($region, $region->specificity)
		1502	if $region->specificity > $specificity;
		1503	}
		1504	}
		1505
		1506	$match
		1507	}
1163		1508
1164	=back	1509	=back
1165
1166		1510
1167	=head3 cf::map	1511	=head3 cf::map
1168		1512
1169	=over 4	1513	=over 4
1170		1514
…		…
1225	my ($self, $merge) = @_;	1569	my ($self, $merge) = @_;
1226		1570
1227	# we have to keep some variables in memory intact	1571	# we have to keep some variables in memory intact
1228	local $self->{path};	1572	local $self->{path};
1229	local $self->{load_path};	1573	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1574
1233	$self->SUPER::thawer_merge ($merge);	1575	$self->SUPER::thawer_merge ($merge);
1234	}	1576	}
1235		1577
1236	sub normalise {	1578	sub normalise {
…		…
1283	$self->init; # pass $1 etc.	1625	$self->init; # pass $1 etc.
1284	return $self;	1626	return $self;
1285	}	1627	}
1286	}	1628	}
1287		1629
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1630	Carp::cluck "unable to resolve path '$path' (base '$base').";
1289	()	1631	()
1290	}	1632	}
1291		1633
1292	sub init {	1634	sub init {
1293	my ($self) = @_;	1635	my ($self) = @_;
…		…
1308		1650
1309	# the original (read-only) location	1651	# the original (read-only) location
1310	sub load_path {	1652	sub load_path {
1311	my ($self) = @_;	1653	my ($self) = @_;
1312		1654
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1655	"$MAPDIR/$self->{path}.map"
1314	}	1656	}
1315		1657
1316	# the temporary/swap location	1658	# the temporary/swap location
1317	sub save_path {	1659	sub save_path {
1318	my ($self) = @_;	1660	my ($self) = @_;
1319		1661
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1663	"$TMPDIR/$path.map"
1322	}	1664	}
1323		1665
1324	# the unique path, undef == no special unique path	1666	# the unique path, undef == no special unique path
1325	sub uniq_path {	1667	sub uniq_path {
1326	my ($self) = @_;	1668	my ($self) = @_;
1327		1669
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1671	"$UNIQUEDIR/$path"
1330	}	1672	}
1331		1673
1332	# and all this just because we cannot iterate over	1674	# and all this just because we cannot iterate over
1333	# all maps in C++...	1675	# all maps in C++...
1334	sub change_all_map_light {	1676	sub change_all_map_light {
1335	my ($change) = @_;	1677	my ($change) = @_;
1336		1678
1337	$_->change_map_light ($change)	1679	$_->change_map_light ($change)
1338	for grep $_->outdoor, values %cf::MAP;	1680	for grep $_->outdoor, values %cf::MAP;
		1681	}
		1682
		1683	sub decay_objects {
		1684	my ($self) = @_;
		1685
		1686	return if $self->{deny_reset};
		1687
		1688	$self->do_decay_objects;
1339	}	1689	}
1340		1690
1341	sub unlink_save {	1691	sub unlink_save {
1342	my ($self) = @_;	1692	my ($self) = @_;
1343		1693
…		…
1401	$self->load_header_orig	1751	$self->load_header_orig
1402	or return;	1752	or return;
1403	$self->prepare_orig;	1753	$self->prepare_orig;
1404	}	1754	}
1405		1755
		1756	$self->{deny_reset} = 1
		1757	if $self->no_reset;
		1758
		1759	$self->default_region (cf::region::find_by_path $self->{path})
		1760	unless $self->default_region;
		1761
1406	1	1762	1
1407	}	1763	}
1408		1764
1409	sub find;	1765	sub find;
1410	sub find {	1766	sub find {
…		…
1422	$map->{last_save} = $cf::RUNTIME;	1778	$map->{last_save} = $cf::RUNTIME;
1423		1779
1424	$map->load_header	1780	$map->load_header
1425	or return;	1781	or return;
1426		1782
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	1784	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	1785	#$cf::WAIT_FOR_TICK->wait;
1430	$map->reset;	1786	$map->reset;
1431	undef $guard;	1787	undef $guard;
1432	return find $path;	1788	return find $path;
…		…
1443	my ($self) = @_;	1799	my ($self) = @_;
1444		1800
1445	local $self->{deny_reset} = 1; # loading can take a long time	1801	local $self->{deny_reset} = 1; # loading can take a long time
1446		1802
1447	my $path = $self->{path};	1803	my $path = $self->{path};
		1804
		1805	{
1448	my $guard = cf::lock_acquire "map_load:$path";	1806	my $guard = cf::lock_acquire "map_load:$path";
1449		1807
1450	return if $self->in_memory != cf::MAP_SWAPPED;	1808	return if $self->in_memory != cf::MAP_SWAPPED;
1451		1809
1452	$self->in_memory (cf::MAP_LOADING);	1810	$self->in_memory (cf::MAP_LOADING);
1453		1811
1454	$self->alloc;	1812	$self->alloc;
1455		1813
1456	$self->pre_load;	1814	$self->pre_load;
1457
1458	$self->_load_objects ($self->{load_path}, 1)
1459	or return;
1460
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1462	if delete $self->{load_original};
1463
1464	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {
1467	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);
1469	}
1470	}
1471
1472	Coro::cede;
1473
1474	# now do the right thing for maps
1475	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;	1815	Coro::cede;
1482	$self->set_darkness_map;	1816
		1817	$self->_load_objects ($self->{load_path}, 1)
		1818	or return;
		1819
		1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1821	if delete $self->{load_original};
		1822
		1823	if (my $uniq = $self->uniq_path) {
		1824	utf8::encode $uniq;
		1825	if (aio_open $uniq, O_RDONLY, 0) {
		1826	$self->clear_unique_items;
		1827	$self->_load_objects ($uniq, 0);
		1828	}
		1829	}
		1830
		1831	Coro::cede;
		1832	# now do the right thing for maps
		1833	$self->link_multipart_objects;
1483	$self->difficulty ($self->estimate_difficulty)	1834	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	1835	unless $self->difficulty;
1485	Coro::cede;	1836	Coro::cede;
		1837
		1838	unless ($self->{deny_activate}) {
		1839	$self->decay_objects;
		1840	$self->fix_auto_apply;
		1841	$self->update_buttons;
		1842	Coro::cede;
		1843	$self->set_darkness_map;
		1844	Coro::cede;
1486	$self->activate;	1845	$self->activate;
		1846	}
		1847
		1848	$self->in_memory (cf::MAP_IN_MEMORY);
1487	}	1849	}
1488		1850
1489	$self->post_load;	1851	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	1852	}
1493		1853
1494	sub customise_for {	1854	sub customise_for {
1495	my ($self, $ob) = @_;	1855	my ($self, $ob) = @_;
1496		1856
1497	return find "~" . $ob->name . "/" . $self->{path}	1857	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	1858	if $self->per_player;
		1859
		1860	# return find "?party/" . $ob->name . "/" . $self->{path}
		1861	# if $self->per_party;
1499		1862
1500	$self	1863	$self
1501	}	1864	}
1502		1865
1503	# find and load all maps in the 3x3 area around a map	1866	# find and load all maps in the 3x3 area around a map
…		…
1550		1913
1551	undef $MAP_PREFETCH{$path};	1914	undef $MAP_PREFETCH{$path};
1552	$MAP_PREFETCHER ||= cf::async {	1915	$MAP_PREFETCHER ||= cf::async {
1553	while (%MAP_PREFETCH) {	1916	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	1917	for my $path (keys %MAP_PREFETCH) {
1555	my $map = find $path	1918	if (my $map = find $path) {
1556	or next;
1557	$map->load;	1919	$map->load;
		1920	}
1558		1921
1559	delete $MAP_PREFETCH{$path};	1922	delete $MAP_PREFETCH{$path};
1560	}	1923	}
1561	}	1924	}
1562	undef $MAP_PREFETCHER;	1925	undef $MAP_PREFETCHER;
…		…
1614		1977
1615	sub reset_at {	1978	sub reset_at {
1616	my ($self) = @_;	1979	my ($self) = @_;
1617		1980
1618	# TODO: safety, remove and allow resettable per-player maps	1981	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	1982	return 1e99 if $self->{deny_reset};
1621		1983
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1984	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1985	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		1986
…		…
1635	my ($self) = @_;	1997	my ($self) = @_;
1636		1998
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	1999	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2000
1639	return if $self->players;	2001	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2002
1642	warn "resetting map ", $self->path;#d#	2003	warn "resetting map ", $self->path;
1643		2004
1644	$self->in_memory (cf::MAP_SWAPPED);	2005	$self->in_memory (cf::MAP_SWAPPED);
1645		2006
1646	# need to save uniques path	2007	# need to save uniques path
1647	unless ($self->{deny_save}) {	2008	unless ($self->{deny_save}) {
…		…
1679	$cf::MAP{$self->path} = $self;	2040	$cf::MAP{$self->path} = $self;
1680		2041
1681	$self->reset; # polite request, might not happen	2042	$self->reset; # polite request, might not happen
1682	}	2043	}
1683		2044
		2045	=item $maps = cf::map::tmp_maps
		2046
		2047	Returns an arrayref with all map paths of currently instantiated and saved
		2048	maps. May block.
		2049
		2050	=cut
		2051
		2052	sub tmp_maps() {
		2053	[
		2054	map {
		2055	utf8::decode $_;
		2056	/\.map$/
		2057	? normalise $_
		2058	: ()
		2059	} @{ aio_readdir $TMPDIR or [] }
		2060	]
		2061	}
		2062
		2063	=item $maps = cf::map::random_maps
		2064
		2065	Returns an arrayref with all map paths of currently instantiated and saved
		2066	random maps. May block.
		2067
		2068	=cut
		2069
		2070	sub random_maps() {
		2071	[
		2072	map {
		2073	utf8::decode $_;
		2074	/\.map$/
		2075	? normalise "?random/$_"
		2076	: ()
		2077	} @{ aio_readdir $RANDOMDIR or [] }
		2078	]
		2079	}
		2080
1684	=item cf::map::unique_maps	2081	=item cf::map::unique_maps
1685		2082
1686	Returns an arrayref of paths of all shared maps that have	2083	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2084	instantiated unique items. May block.
1688		2085
1689	=cut	2086	=cut
1690		2087
1691	sub unique_maps() {	2088	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2089	[
1693	or return;	2090	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2091	utf8::decode $_;
1699	next if /\.pst$/;	2092	/\.map$/
1700	next unless /^$PATH_SEP/o;	2093	? normalise $_
1701		2094	: ()
1702	push @paths, cf::map::normalise $_;	2095	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2096	]
1704
1705	\@paths
1706	}	2097	}
1707		2098
1708	package cf;	2099	package cf;
1709		2100
1710	=back	2101	=back
…		…
1756		2147
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2148	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2149
1759	if ($self->{record_replies}) {	2150	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2151	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2152
1761	} else {	2153	} else {
		2154	my $pl = $self->contr;
		2155
		2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2157	my $diag = $pl->{npc_dialog};
		2158	$diag->{pl}->ext_reply (
		2159	$diag->{id},
		2160	msgtype => "reply",
		2161	msg => $diag->{pl}->expand_cfpod ($msg),
		2162	add_topics => []
		2163	);
		2164
		2165	} else {
1762	$msg = $npc->name . " says: $msg" if $npc;	2166	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2167	$self->message ($msg, $flags);
		2168	}
1764	}	2169	}
1765	}	2170	}
1766		2171
1767	=item $player_object->may ("access")	2172	=item $player_object->may ("access")
1768		2173
…		…
1816	$self->deactivate_recursive;	2221	$self->deactivate_recursive;
1817		2222
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2223	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2224
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2226	if $self->map && $self->map->{path} ne "{link}";
1822		2227
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1824	}	2229	}
1825		2230
1826	sub cf::object::player::leave_link {	2231	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2232	my ($self, $map, $x, $y) = @_;
		2233
		2234	return unless $self->contr->active;
1828		2235
1829	my $link_pos = delete $self->{_link_pos};	2236	my $link_pos = delete $self->{_link_pos};
1830		2237
1831	unless ($map) {	2238	unless ($map) {
1832	# restore original map position	2239	# restore original map position
…		…
1855		2262
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2264	$self->enter_map ($map, $x, $y);
1858	}	2265	}
1859		2266
1860	cf::player->attach (	2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1861	on_logout => sub {
1862	my ($pl) = @_;
1863		2268
1864	# abort map switching before logout	2269	Moves the player to the given map-path and coordinates by first freezing
1865	if ($pl->ob->{_link_pos}) {	2270	her, loading and preparing them map, calling the provided $check callback
1866	cf::sync_job {	2271	that has to return the map if sucecssful, and then unfreezes the player on
1867	$pl->ob->leave_link	2272	the new (success) or old (failed) map position. In either case, $done will
1868	};	2273	be called at the end of this process.
1869	}
1870	},
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2274
1874	# try to abort aborted map switching on player login :)
1875	# should happen only on crashes
1876	if ($pl->ob->{_link_pos}) {
1877	$pl->ob->enter_link;
1878	(async {
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891
1892	=item $player_object->goto ($path, $x, $y)
1893
1894	=cut	2275	=cut
		2276
		2277	our $GOTOGEN;
1895		2278
1896	sub cf::object::player::goto {	2279	sub cf::object::player::goto {
1897	my ($self, $path, $x, $y) = @_;	2280	my ($self, $path, $x, $y, $check, $done) = @_;
		2281
		2282	# do generation counting so two concurrent goto's will be executed in-order
		2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898		2284
1899	$self->enter_link;	2285	$self->enter_link;
1900		2286
1901	(async {	2287	(async {
1902	my $map = eval {	2288	my $map = eval {
1903	my $map = cf::map::find $path;	2289	my $map = cf::map::find $path;
		2290
		2291	if ($map) {
1904	$map = $map->customise_for ($self) if $map;	2292	$map = $map->customise_for ($self);
		2293	$map = $check->($map) if $check && $map;
		2294	} else {
		2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	}
		2297
1905	$map	2298	$map
		2299	};
		2300
		2301	if ($@) {
		2302	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2303	LOG llevError | logBacktrace, Carp::longmess $@;
1906	} or	2304	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2305
		2306	if ($gen == $self->{_goto_generation}) {
		2307	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2308	$self->leave_link ($map, $x, $y);
		2309	}
		2310
		2311	$done->() if $done;
1910	})->prio (1);	2312	})->prio (1);
1911	}	2313	}
1912		2314
1913	=item $player_object->enter_exit ($exit_object)	2315	=item $player_object->enter_exit ($exit_object)
1914		2316
…		…
1953		2355
1954	$rmp->{random_seed} ||= $exit->random_seed;	2356	$rmp->{random_seed} ||= $exit->random_seed;
1955		2357
1956	my $data = cf::to_json $rmp;	2358	my $data = cf::to_json $rmp;
1957	my $md5 = Digest::MD5::md5_hex $data;	2359	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2360	my $meta = "$RANDOMDIR/$md5.meta";
1959		2361
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2363	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2364	undef $fh;
1963	aio_rename "$meta~", $meta;	2365	aio_rename "$meta~", $meta;
…		…
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;	2385	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;	2386	my $sp = $exit->stats->sp;
1985		2387
1986	$self->enter_link;	2388	$self->enter_link;
		2389
		2390	# if exit is damned, update players death & WoR home-position
		2391	$self->contr->savebed ($slaying, $hp, $sp)
		2392	if $exit->flag (FLAG_DAMNED);
1987		2393
1988	(async {	2394	(async {
1989	$self->deactivate_recursive; # just to be sure	2395	$self->deactivate_recursive; # just to be sure
1990	unless (eval {	2396	unless (eval {
1991	$self->goto ($slaying, $hp, $sp);	2397	$self->goto ($slaying, $hp, $sp);
…		…
2019		2425
2020	utf8::encode $text;	2426	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2428	}
2023		2429
		2430	=item $client->send_msg ($color, $type, $msg, [extra...])
		2431
		2432	Send a drawinfo or msg packet to the client, formatting the msg for the
		2433	client if neccessary. C<$type> should be a string identifying the type of
		2434	the message, with C<log> being the default. If C<$color> is negative, suppress
		2435	the message unless the client supports the msg packet.
		2436
		2437	=cut
		2438
		2439	sub cf::client::send_msg {
		2440	my ($self, $color, $type, $msg, @extra) = @_;
		2441
		2442	$msg = $self->pl->expand_cfpod ($msg);
		2443
		2444	return unless @extra || length $msg;
		2445
		2446	if ($self->can_msg) {
		2447	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2448	} else {
		2449	# replace some tags by gcfclient-compatible ones
		2450	for ($msg) {
		2451	1 while
		2452	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2453	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2454	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2455	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2456	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2457	}
		2458
		2459	if ($color >= 0) {
		2460	if (0 && $msg =~ /\[/) {
		2461	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2462	} else {
		2463	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2464	$self->send_packet ("drawinfo $color $msg")
		2465	}
		2466	}
		2467	}
		2468	}
		2469
2024	=item $client->ext_event ($type, %msg)	2470	=item $client->ext_event ($type, %msg)
2025		2471
2026	Sends an exti event to the client.	2472	Sends an ext event to the client.
2027		2473
2028	=cut	2474	=cut
2029		2475
2030	sub cf::client::ext_event($$%) {	2476	sub cf::client::ext_event($$%) {
2031	my ($self, $type, %msg) = @_;	2477	my ($self, $type, %msg) = @_;
2032		2478
		2479	return unless $self->extcmd;
		2480
2033	$msg{msgtype} = "event_$type";	2481	$msg{msgtype} = "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	2482	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2035	}	2483	}
2036		2484
2037	=item $success = $client->query ($flags, "text", \&cb)	2485	=item $success = $client->query ($flags, "text", \&cb)
2038		2486
2039	Queues a query to the client, calling the given callback with	2487	Queues a query to the client, calling the given callback with
2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2488	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2041	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2489	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		2490
2043	Queries can fail, so check the return code. Or don't, as queries will become	2491	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	2492	become reliable at some point in the future.
2045		2493
2046	=cut	2494	=cut
2047		2495
2048	sub cf::client::query {	2496	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	2497	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	2505	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2506	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		2507
2060	$self->send_packet ($self->{query_queue}[0][0])	2508	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	2509	if @{ $self->{query_queue} } == 1;
		2510
		2511	1
2062	}	2512	}
2063		2513
2064	cf::client->attach (	2514	cf::client->attach (
		2515	on_connect => sub {
		2516	my ($ns) = @_;
		2517
		2518	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2519	},
2065	on_reply => sub {	2520	on_reply => sub {
2066	my ($ns, $msg) = @_;	2521	my ($ns, $msg) = @_;
2067		2522
2068	# this weird shuffling is so that direct followup queries	2523	# this weird shuffling is so that direct followup queries
2069	# get handled first	2524	# get handled first
…		…
2081	} else {	2536	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2537	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	2538	}
2084	}	2539	}
2085	},	2540	},
		2541	on_exticmd => sub {
		2542	my ($ns, $buf) = @_;
		2543
		2544	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2545
		2546	if (ref $msg) {
		2547	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2548	if (my %reply = $cb->($ns, $msg)) {
		2549	$reply{msgid} = $msg->{msgid};
		2550	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2551	}
		2552	}
		2553	} else {
		2554	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2555	}
		2556
		2557	cf::override;
		2558	},
2086	);	2559	);
2087		2560
2088	=item $client->async (\&cb)	2561	=item $client->async (\&cb)
2089		2562
2090	Create a new coroutine, running the specified callback. The coroutine will	2563	Create a new coroutine, running the specified callback. The coroutine will
…		…
2139		2612
2140	=pod	2613	=pod
2141		2614
2142	The following functions and methods are available within a safe environment:	2615	The following functions and methods are available within a safe environment:
2143		2616
2144	cf::object contr pay_amount pay_player map	2617	cf::object
		2618	contr pay_amount pay_player map x y force_find force_add
		2619	insert remove
		2620
2145	cf::object::player player	2621	cf::object::player
2146	cf::player peaceful	2622	player
2147	cf::map trigger	2623
		2624	cf::player
		2625	peaceful
		2626
		2627	cf::map
		2628	trigger
2148		2629
2149	=cut	2630	=cut
2150		2631
2151	for (	2632	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	2633	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2634	insert remove)],
2153	["cf::object::player" => qw(player)],	2635	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	2636	["cf::player" => qw(peaceful)],
2155	["cf::map" => qw(trigger)],	2637	["cf::map" => qw(trigger)],
2156	) {	2638	) {
2157	no strict 'refs';	2639	no strict 'refs';
…		…
2228	=back	2710	=back
2229		2711
2230	=cut	2712	=cut
2231		2713
2232	#############################################################################	2714	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303
2304	#############################################################################
2305	# the server's init and main functions	2715	# the server's init and main functions
2306		2716
2307	sub load_facedata {	2717	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	2718	my ($path) = @_;
2309		2719
2310	warn "loading facedata from $path\n";	2720	warn "loading facedata from $path\n";
2311		2721
2312	my $faces;	2722	my $facedata;
2313	0 < aio_load $path, $faces	2723	0 < aio_load $path, $facedata
2314	or die "$path: $!";	2724	or die "$path: $!";
2315		2725
2316	Coro::cede;
2317	$faces = Storable::thaw $faces;	2726	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		2727
2320	my $meta = delete $faces->{""};
2321	$meta->{version} == 1	2728	$facedata->{version} == 2
2322	or cf::cleanup "$path: version mismatch, cannot proceed.";	2729	or cf::cleanup "$path: version mismatch, cannot proceed.";
2323		2730
		2731	{
		2732	my $faces = $facedata->{faceinfo};
		2733
2324	while (my ($face, $info) = each %$faces) {	2734	while (my ($face, $info) = each %$faces) {
2325	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2735	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2326	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2736	cf::face::set_visibility $idx, $info->{visibility};
		2737	cf::face::set_magicmap $idx, $info->{magicmap};
2327	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2738	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2328	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2739	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2329	Coro::cede;
2330	}
2331		2740
		2741	cf::cede_to_tick;
		2742	}
		2743
2332	while (my ($face, $info) = each %$faces) {	2744	while (my ($face, $info) = each %$faces) {
2333	next unless $info->{smooth};	2745	next unless $info->{smooth};
2334	my $idx = cf::face::find $face	2746	my $idx = cf::face::find $face
2335	or next;	2747	or next;
2336	if (my $smooth = cf::face::find $info->{smooth}) {	2748	if (my $smooth = cf::face::find $info->{smooth}) {
		2749	cf::face::set_smooth $idx, $smooth;
2337	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2750	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2338	} else {	2751	} else {
2339	warn "smooth face '$info->{smooth}' not found for face '$face'";	2752	warn "smooth face '$info->{smooth}' not found for face '$face'";
2340	}	2753	}
2341	Coro::cede;	2754
		2755	cf::cede_to_tick;
		2756	}
		2757	}
		2758
		2759	{
		2760	my $anims = $facedata->{animinfo};
		2761
		2762	while (my ($anim, $info) = each %$anims) {
		2763	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2764	cf::cede_to_tick;
		2765	}
		2766
		2767	cf::anim::invalidate_all; # d'oh
		2768	}
		2769
		2770	{
		2771	# TODO: for gcfclient pleasure, we should give resources
		2772	# that gcfclient doesn't grok a >10000 face index.
		2773	my $res = $facedata->{resource};
		2774	my $enc = JSON::XS->new->utf8->canonical;
		2775
		2776	while (my ($name, $info) = each %$res) {
		2777	my $meta = $enc->encode ({
		2778	name => $name,
		2779	type => $info->{type},
		2780	copyright => $info->{copyright}, #TODO#
		2781	});
		2782
		2783	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2784
		2785	if ($name =~ /\.jpg$/) {
		2786	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2787	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2788	} else {
		2789	my $data = pack "(w/a*)*", $meta, $info->{data};
		2790	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2791
		2792	cf::face::set_type $idx, 1;
		2793	cf::face::set_data $idx, 0, $data, $chk;
		2794	}
		2795
		2796	cf::cede_to_tick;
		2797	}
2342	}	2798	}
2343		2799
2344	1	2800	1
2345	}	2801	}
2346		2802
		2803	sub reload_regions {
		2804	load_resource_file "$MAPDIR/regions"
		2805	or die "unable to load regions file\n";
		2806
		2807	for (cf::region::list) {
		2808	$_->{match} = qr/$_->{match}/
		2809	if exists $_->{match};
		2810	}
		2811	}
		2812
		2813	sub reload_facedata {
		2814	load_facedata "$DATADIR/facedata"
		2815	or die "unable to load facedata\n";
		2816	}
		2817
		2818	sub reload_archetypes {
		2819	load_resource_file "$DATADIR/archetypes"
		2820	or die "unable to load archetypes\n";
		2821	#d# NEED to laod twice to resolve forward references
		2822	# this really needs to be done in an extra post-pass
		2823	# (which needs to be synchronous, so solve it differently)
		2824	load_resource_file "$DATADIR/archetypes"
		2825	or die "unable to load archetypes\n";
		2826	}
		2827
		2828	sub reload_treasures {
		2829	load_resource_file "$DATADIR/treasures"
		2830	or die "unable to load treasurelists\n";
		2831	}
		2832
2347	sub reload_resources {	2833	sub reload_resources {
2348	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2834	warn "reloading resource files...\n";
2349	or die "unable to load regions file\n";#d#	2835
		2836	reload_regions;
2350	load_facedata	2837	reload_facedata;
2351	or die "unable to load facedata\n";#d#	2838	#reload_archetypes;#d#
		2839	reload_archetypes;
		2840	reload_treasures;
		2841
		2842	warn "finished reloading resource files\n";
2352	}	2843	}
2353		2844
2354	sub init {	2845	sub init {
2355	reload_resources;	2846	reload_resources;
2356	}	2847	}
2357		2848
2358	sub cfg_load {	2849	sub cfg_load {
2359	open my $fh, "<:utf8", cf::confdir . "/config"	2850	open my $fh, "<:utf8", "$CONFDIR/config"
2360	or return;	2851	or return;
2361		2852
2362	local $/;	2853	local $/;
2363	*CFG = YAML::Syck::Load <$fh>;	2854	*CFG = YAML::Syck::Load <$fh>;
2364		2855
…		…
2409	},	2900	},
2410	);	2901	);
2411	}	2902	}
2412	}	2903	}
2413		2904
		2905	sub write_runtime {
		2906	my $runtime = "$LOCALDIR/runtime";
		2907
		2908	# first touch the runtime file to show we are still running:
		2909	# the fsync below can take a very very long time.
		2910
		2911	IO::AIO::aio_utime $runtime, undef, undef;
		2912
		2913	my $guard = cf::lock_acquire "write_runtime";
		2914
		2915	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2916	or return;
		2917
		2918	my $value = $cf::RUNTIME + 90 + 10;
		2919	# 10 is the runtime save interval, for a monotonic clock
		2920	# 60 allows for the watchdog to kill the server.
		2921
		2922	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2923	and return;
		2924
		2925	# always fsync - this file is important
		2926	aio_fsync $fh
		2927	and return;
		2928
		2929	# touch it again to show we are up-to-date
		2930	aio_utime $fh, undef, undef;
		2931
		2932	close $fh
		2933	or return;
		2934
		2935	aio_rename "$runtime~", $runtime
		2936	and return;
		2937
		2938	warn "runtime file written.\n";
		2939
		2940	1
		2941	}
		2942
2414	sub emergency_save() {	2943	sub emergency_save() {
2415	my $freeze_guard = cf::freeze_mainloop;	2944	my $freeze_guard = cf::freeze_mainloop;
2416		2945
2417	warn "enter emergency perl save\n";	2946	warn "enter emergency perl save\n";
2418		2947
…		…
2449		2978
2450	warn Carp::longmess "post_cleanup backtrace"	2979	warn Carp::longmess "post_cleanup backtrace"
2451	if $make_core;	2980	if $make_core;
2452	}	2981	}
2453		2982
2454	sub reload() {	2983	sub do_reload_perl() {
2455	# can/must only be called in main	2984	# can/must only be called in main
2456	if ($Coro::current != $Coro::main) {	2985	if ($Coro::current != $Coro::main) {
2457	warn "can only reload from main coroutine";	2986	warn "can only reload from main coroutine";
2458	return;	2987	return;
2459	}	2988	}
…		…
2493	%EXT_CORO = ();	3022	%EXT_CORO = ();
2494		3023
2495	warn "removing commands";	3024	warn "removing commands";
2496	%COMMAND = ();	3025	%COMMAND = ();
2497		3026
2498	warn "removing ext commands";	3027	warn "removing ext/exti commands";
2499	%EXTCMD = ();	3028	%EXTCMD = ();
		3029	%EXTICMD = ();
2500		3030
2501	warn "unloading/nuking all extensions";	3031	warn "unloading/nuking all extensions";
2502	for my $pkg (@EXTS) {	3032	for my $pkg (@EXTS) {
2503	warn "... unloading $pkg";	3033	warn "... unloading $pkg";
2504		3034
…		…
2534	Symbol::delete_package "safe::$_"	3064	Symbol::delete_package "safe::$_"
2535	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2536		3066
2537	warn "unloading cf.pm \"a bit\"";	3067	warn "unloading cf.pm \"a bit\"";
2538	delete $INC{"cf.pm"};	3068	delete $INC{"cf.pm"};
		3069	delete $INC{"cf/pod.pm"};
2539		3070
2540	# don't, removes xs symbols, too,	3071	# don't, removes xs symbols, too,
2541	# and global variables created in xs	3072	# and global variables created in xs
2542	#Symbol::delete_package __PACKAGE__;	3073	#Symbol::delete_package __PACKAGE__;
2543		3074
…		…
2558	warn "reattaching attachments to maps";	3089	warn "reattaching attachments to maps";
2559	reattach $_ for values %MAP;	3090	reattach $_ for values %MAP;
2560	warn "reattaching attachments to players";	3091	warn "reattaching attachments to players";
2561	reattach $_ for values %PLAYER;	3092	reattach $_ for values %PLAYER;
2562		3093
2563	warn "loading reloadable resources";
2564	reload_resources;
2565
2566	warn "leaving sync_job";	3094	warn "leaving sync_job";
2567		3095
2568	1	3096	1
2569	} or do {	3097	} or do {
2570	warn $@;	3098	warn $@;
…		…
2575	warn "reloaded";	3103	warn "reloaded";
2576	};	3104	};
2577		3105
2578	our $RELOAD_WATCHER; # used only during reload	3106	our $RELOAD_WATCHER; # used only during reload
2579		3107
		3108	sub reload_perl() {
		3109	# doing reload synchronously and two reloads happen back-to-back,
		3110	# coro crashes during coro_state_free->destroy here.
		3111
		3112	$RELOAD_WATCHER ||= Event->timer (
		3113	reentrant => 0,
		3114	after => 0,
		3115	data => WF_AUTOCANCEL,
		3116	cb => sub {
		3117	do_reload_perl;
		3118	undef $RELOAD_WATCHER;
		3119	},
		3120	);
		3121	}
		3122
2580	register_command "reload" => sub {	3123	register_command "reload" => sub {
2581	my ($who, $arg) = @_;	3124	my ($who, $arg) = @_;
2582		3125
2583	if ($who->flag (FLAG_WIZ)) {	3126	if ($who->flag (FLAG_WIZ)) {
2584	$who->message ("reloading server.");	3127	$who->message ("reloading server.");
2585		3128	async { reload_perl };
2586	# doing reload synchronously and two reloads happen back-to-back,
2587	# coro crashes during coro_state_free->destroy here.
2588
2589	$RELOAD_WATCHER ||= Event->timer (
2590	reentrant => 0,
2591	after => 0,
2592	data => WF_AUTOCANCEL,
2593	cb => sub {
2594	reload;
2595	undef $RELOAD_WATCHER;
2596	},
2597	);
2598	}	3129	}
2599	};	3130	};
2600		3131
2601	unshift @INC, $LIBDIR;	3132	unshift @INC, $LIBDIR;
2602		3133
2603	my $bug_warning = 0;	3134	my $bug_warning = 0;
2604		3135
		3136	our @WAIT_FOR_TICK;
		3137	our @WAIT_FOR_TICK_BEGIN;
		3138
		3139	sub wait_for_tick {
		3140	return unless $TICK_WATCHER->is_active;
		3141	return if $Coro::current == $Coro::main;
		3142
		3143	my $signal = new Coro::Signal;
		3144	push @WAIT_FOR_TICK, $signal;
		3145	$signal->wait;
		3146	}
		3147
		3148	sub wait_for_tick_begin {
		3149	return unless $TICK_WATCHER->is_active;
		3150	return if $Coro::current == $Coro::main;
		3151
		3152	my $signal = new Coro::Signal;
		3153	push @WAIT_FOR_TICK_BEGIN, $signal;
		3154	$signal->wait;
		3155	}
		3156
		3157	my $min = 1e6;#d#
		3158	my $avg = 10;
2605	$TICK_WATCHER = Event->timer (	3159	$TICK_WATCHER = Event->timer (
2606	reentrant => 0,	3160	reentrant => 0,
2607	parked => 1,	3161	parked => 1,
2608	prio => 0,	3162	prio => 0,
2609	at => $NEXT_TICK || $TICK,	3163	at => $NEXT_TICK || $TICK,
…		…
2613	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2614	unless ++$bug_warning > 10;	3168	unless ++$bug_warning > 10;
2615	return;	3169	return;
2616	}	3170	}
2617		3171
2618	$NOW = Event::time;	3172	$NOW = $tick_start = Event::time;
2619		3173
2620	cf::server_tick; # one server iteration	3174	cf::server_tick; # one server iteration
		3175
		3176	0 && sync_job {#d#
		3177	for(1..10) {
		3178	my $t = Event::time;
		3179	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3180	or die;
		3181
		3182	$map->width (50);
		3183	$map->height (50);
		3184	$map->alloc;
		3185	$map->_load_objects ("/tmp/x.map", 1);
		3186	my $t = Event::time - $t;
		3187
		3188	#next unless $t < 0.0013;#d#
		3189	if ($t < $min) {
		3190	$min = $t;
		3191	}
		3192	$avg = $avg * 0.99 + $t * 0.01;
		3193	}
		3194	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3195	exit 0;
		3196	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3197	};
		3198
2621	$RUNTIME += $TICK;	3199	$RUNTIME += $TICK;
2622	$NEXT_TICK += $TICK;	3200	$NEXT_TICK += $TICK;
2623		3201
2624	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3202	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2625	$NEXT_RUNTIME_WRITE = $NOW + 10;	3203	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2627	write_runtime	3205	write_runtime
2628	or warn "ERROR: unable to write runtime file: $!";	3206	or warn "ERROR: unable to write runtime file: $!";
2629	};	3207	};
2630	}	3208	}
2631		3209
2632	$WAIT_FOR_TICK->broadcast;
2633	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2634
2635	# my $AFTER = Event::time;	3210	# my $AFTER = Event::time;
2636	# warn $AFTER - $NOW;#d#	3211	# warn $AFTER - $NOW;#d#
2637		3212
		3213	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3214	$sig->send;
		3215	}
		3216	while (my $sig = shift @WAIT_FOR_TICK) {
		3217	$sig->send;
		3218	}
		3219
		3220	$NOW = Event::time;
		3221
2638	# if we are delayed by four ticks or more, skip them all	3222	# if we are delayed by four ticks or more, skip them all
2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3223	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2640		3224
2641	$TICK_WATCHER->at ($NEXT_TICK);	3225	$TICK_WATCHER->at ($NEXT_TICK);
2642	$TICK_WATCHER->start;	3226	$TICK_WATCHER->start;
		3227
		3228	$LOAD = ($NOW - $tick_start) / $TICK;
		3229	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3230
		3231	_post_tick;
		3232
		3233
2643	},	3234	},
2644	);	3235	);
2645		3236
2646	{	3237	{
2647	BDB::max_poll_time $TICK * 0.1;	3238	BDB::max_poll_time $TICK * 0.1;
…		…
2675		3266
2676	cf::sync_job {	3267	cf::sync_job {
2677	eval {	3268	eval {
2678	BDB::db_env_open	3269	BDB::db_env_open
2679	$DB_ENV,	3270	$DB_ENV,
2680	$BDB_ENV_DIR,	3271	$BDBDIR,
2681	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3272	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2682	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3273	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2683	0666;	3274	0666;
2684		3275
2685	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3276	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2686		3277
2687	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3278	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2688	$DB_ENV->set_lk_detect;	3279	$DB_ENV->set_lk_detect;
2689	};	3280	};
2690		3281
…		…
2706	prio => 6,	3297	prio => 6,
2707	cb => \&IO::AIO::poll_cb,	3298	cb => \&IO::AIO::poll_cb,
2708	);	3299	);
2709	}	3300	}
2710		3301
		3302	my $_log_backtrace;
		3303
		3304	sub _log_backtrace {
		3305	my ($msg, @addr) = @_;
		3306
		3307	$msg =~ s/\n//;
		3308
		3309	# limit the # of concurrent backtraces
		3310	if ($_log_backtrace < 2) {
		3311	++$_log_backtrace;
		3312	async {
		3313	my @bt = fork_call {
		3314	@addr = map { sprintf "%x", $_ } @addr;
		3315	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3316	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3317	or die "addr2line: $!";
		3318
		3319	my @funcs;
		3320	my @res = <$fh>;
		3321	chomp for @res;
		3322	while (@res) {
		3323	my ($func, $line) = splice @res, 0, 2, ();
		3324	push @funcs, "[$func] $line";
		3325	}
		3326
		3327	@funcs
		3328	};
		3329
		3330	LOG llevInfo, "[ABT] $msg\n";
		3331	LOG llevInfo, "[ABT] $_\n" for @bt;
		3332	--$_log_backtrace;
		3333	};
		3334	} else {
		3335	LOG llevInfo, "[ABT] $msg\n";
		3336	LOG llevInfo, "[ABT] [suppressed]\n";
		3337	}
		3338	}
		3339
		3340	# load additional modules
		3341	use cf::pod;
		3342
2711	END { cf::emergency_save }	3343	END { cf::emergency_save }
2712		3344
2713	1	3345	1
2714		3346

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