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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.230 by root, Mon Apr 2 18:04:46 2007 UTC vs.
Revision 1.302 by root, Tue Jul 10 16:23:59 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.
145		171
146	=back	172	=back
147		173
148	=cut	174	=cut
149		175
150	BEGIN {	176	BEGIN {
151	*CORE::GLOBAL::warn = sub {	177	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	178	my $msg = join "", @_;
153	utf8::encode $msg;
154		179
155	$msg .= "\n"	180	$msg .= "\n"
156	unless $msg =~ /\n$/;	181	unless $msg =~ /\n$/;
157		182
		183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		184
		185	utf8::encode $msg;
158	LOG llevError, $msg;	186	LOG llevError, $msg;
159	};	187	};
160	}	188	}
161		189
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	194	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		195	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	196	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		197
169	# we bless all objects into (empty) derived classes to force a method lookup	198	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	199	# within the Safe compartment.
171	for my $pkg (qw(	200	for my $pkg (qw(
172	cf::global cf::attachable	201	cf::global cf::attachable
…		…
180	}	209	}
181		210
182	$Event::DIED = sub {	211	$Event::DIED = sub {
183	warn "error in event callback: @_";	212	warn "error in event callback: @_";
184	};	213	};
		214
		215	#############################################################################
185		216
186	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
187		218
188	=over 4	219	=over 4
189		220
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	240	$d
210	} || "[unable to dump $_[0]: '$@']";	241	} || "[unable to dump $_[0]: '$@']";
211	}	242	}
212		243
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
216		245
217	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
218		247
219	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
220		249
221	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
		251
		252	=cut
		253
		254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		255
		256	sub to_json ($) { $json_coder->encode ($_[0]) }
		257	sub from_json ($) { $json_coder->decode ($_[0]) }
222		258
223	=item cf::lock_wait $string	259	=item cf::lock_wait $string
224		260
225	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
226		262
…		…
232	returned.	268	returned.
233		269
234	Lock names should begin with a unique identifier (for example, cf::map::find	270	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
236		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
237	=cut	277	=cut
238		278
239	our %LOCK;	279	our %LOCK;
240		280
241	sub lock_wait($) {	281	sub lock_wait($) {
…		…
258		298
259	Coro::guard {	299	Coro::guard {
260	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
262	}	302	}
		303	}
		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
263	}	309	}
264		310
265	sub freeze_mainloop {	311	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
267		313
…		…
282		328
283	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
284		330
285	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
286		332
287	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
290		337
291	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
294	fast or be very important.	341	fast or be very important.
…		…
297		344
298	sub sync_job(&) {	345	sub sync_job(&) {
299	my ($job) = @_;	346	my ($job) = @_;
300		347
301	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
302	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
304		353
305	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
317		366
318	while ($busy) {	367	while ($busy) {
319	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
320	}	369	}
321		370
		371	$time = Event::time - $time;
		372
		373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		375
		376	$tick_start += $time; # do not account sync jobs to server load
		377
322	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
323	} else {	379	} else {
324	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
325		381
326	$job->()	382	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
346		402
347	$coro	403	$coro
348	}	404	}
349		405
350	sub write_runtime {	406	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		407
353	my $runtime = cf::localdir . "/runtime";	408	Executes the given code block with the given arguments in a seperate
		409	process, returning the results. Everything must be serialisable with
		410	Coro::Storable. May, of course, block. Note that the executed sub may
		411	never block itself or use any form of Event handling.
354		412
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	413	=cut
356	or return;
357		414
358	my $value = $cf::RUNTIME + 90 + 10;	415	sub _store_scalar {
359	# 10 is the runtime save interval, for a monotonic clock	416	open my $fh, ">", \my $buf
360	# 60 allows for the watchdog to kill the server.	417	or die "fork_call: cannot open fh-to-buf in child : $!";
361		418	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	419	close $fh;
370	or return;
371		420
372	aio_rename "$runtime~", $runtime	421	$buf
373	and return;	422	}
374		423
		424	sub fork_call(&@) {
		425	my ($cb, @args) = @_;
		426
		427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		428	# or die "socketpair: $!";
		429	pipe my $fh1, my $fh2
		430	or die "pipe: $!";
		431
		432	if (my $pid = fork) {
		433	close $fh2;
		434
		435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		436	warn "pst<$res>" unless $res =~ /^pst/;
		437	$res = Coro::Storable::thaw $res;
		438
		439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		440
		441	Carp::confess $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
375	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		499	my $key = "$_[0]/$_[1]";
		500
		501	cf::sync_job {
		502	BDB::db_get $DB, undef, $key, my $data;
		503
		504	$! ? ()
		505	: $data
		506	}
		507	}
		508
		509	sub db_put($$$) {
		510	BDB::dbreq_pri 4;
		511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		512	}
		513
		514	=item cf::cache $id => [$paths...], $processversion => $process
		515
		516	Generic caching function that returns the value of the resource $id,
		517	caching and regenerating as required.
		518
		519	This function can block.
		520
		521	=cut
		522
		523	sub cache {
		524	my ($id, $src, $processversion, $process) = @_;
		525
		526	my $meta =
		527	join "\x00",
		528	$processversion,
		529	map {
		530	aio_stat $_
		531	and Carp::croak "$_: $!";
		532
		533	($_, (stat _)[7,9])
		534	} @$src;
		535
		536	my $dbmeta = db_get cache => "$id/meta";
		537	if ($dbmeta ne $meta) {
		538	# changed, we may need to process
		539
		540	my @data;
		541	my $md5;
		542
		543	for (0 .. $#$src) {
		544	0 <= aio_load $src->[$_], $data[$_]
		545	or Carp::croak "$src->[$_]: $!";
		546	}
		547
		548	# if processing is expensive, check
		549	# checksum first
		550	if (1) {
		551	$md5 =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	Coro::cede;
		556	($src->[$_], Digest::MD5::md5_hex $data[$_])
		557	} 0.. $#$src;
		558
		559
		560	my $dbmd5 = db_get cache => "$id/md5";
		561	if ($dbmd5 eq $md5) {
		562	db_put cache => "$id/meta", $meta;
		563
		564	return db_get cache => "$id/data";
		565	}
		566	}
		567
		568	my $t1 = Time::HiRes::time;
		569	my $data = $process->(\@data);
		570	my $t2 = Time::HiRes::time;
		571
		572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		573
		574	db_put cache => "$id/data", $data;
		575	db_put cache => "$id/md5" , $md5;
		576	db_put cache => "$id/meta", $meta;
		577
		578	return $data;
		579	}
		580
		581	db_get cache => "$id/data"
376	}	582	}
377		583
378	=item cf::datalog type => key => value, ...	584	=item cf::datalog type => key => value, ...
379		585
380	Log a datalog packet of the given type with the given key-value pairs.	586	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")	604	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
400		606
401	In the following description, CLASS can be any of C<global>, C<object>	607	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	608	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	609	Crossfire TRT).
404		610
405	=over 4	611	=over 4
406		612
407	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
408		614
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
572		778
573	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		783
578	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	785	my $pkg = shift @arg;
580		786
581	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
611	}	817	}
612		818
613	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
614	} else {	820	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	822	}
617		823
618	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
619	}	825	}
620		826
…		…
622	if (ref $_[0]) {	828	if (ref $_[0]) {
623	_object_attach @_;	829	_object_attach @_;
624	} else {	830	} else {
625	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
626	}	832	}
		833	_recalc_want;
627	};	834	};
628		835
629	# all those should be optimised	836	# all those should be optimised
630	sub cf::attachable::detach {	837	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
635	reattach ($obj);	842	reattach ($obj);
636	} else {	843	} else {
637	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
638	}	845	}
		846	_recalc_want;
639	};	847	};
640		848
641	sub cf::attachable::attached {	849	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
643		851
…		…
816	or return;	1024	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1026	}
819		1027
820	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1029	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	1030	return ($data, $av);
823	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
824		1038
825	#############################################################################	1039	#############################################################################
826	# command handling &c	1040	# command handling &c
827		1041
828	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1056	}
843		1057
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1059
846	Register a callbackf ro execution when the client sends an extcmd packet.	1060	Register a callback for execution when the client sends an (synchronous)
		1061	extcmd packet. Ext commands will be processed in the order they are
		1062	received by the server, like other user commands. The first argument is
		1063	the logged-in player. Ext commands can only be processed after a player
		1064	has logged in successfully.
847		1065
848	If the callback returns something, it is sent back as if reply was being	1066	If the callback returns something, it is sent back as if reply was being
849	called.	1067	called.
850		1068
		1069	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1070
		1071	Register a callback for execution when the client sends an (asynchronous)
		1072	exticmd packet. Exti commands are processed by the server as soon as they
		1073	are received, i.e. out of order w.r.t. other commands. The first argument
		1074	is a client socket. Exti commands can be received anytime, even before
		1075	log-in.
		1076
		1077	If the callback returns something, it is sent back as if reply was being
		1078	called.
		1079
851	=cut	1080	=cut
852		1081
853	sub register_extcmd {	1082	sub register_extcmd {
854	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
855		1084
856	$EXTCMD{$name} = $cb;	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
857	}	1092	}
858		1093
859	cf::player->attach (	1094	cf::player->attach (
860	on_command => sub {	1095	on_command => sub {
861	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1105	cf::override;
871	},	1106	},
872	on_extcmd => sub {	1107	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
874		1109
875	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1111
877	if (ref $msg) {	1112	if (ref $msg) {
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
879	if (my %reply = $cb->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
880	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
886		1121
887	cf::override;	1122	cf::override;
888	},	1123	},
889	);	1124	);
890		1125
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 {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
926	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1131	next unless -r $path;
928	eval {	1132
929	load_extension $ext;	1133	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1134	my $base = $1;
		1135	my $pkg = $1;
		1136	$pkg =~ s/[^[:word:]]/_/g;
		1137	$pkg = "ext::$pkg";
		1138
		1139	open my $fh, "<:utf8", $path
		1140	or die "$path: $!";
		1141
		1142	my $source = do { local $/; <$fh> };
		1143
		1144	my %ext = (
		1145	path => $path,
		1146	base => $base,
		1147	pkg => $pkg,
		1148	);
		1149
		1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1152
		1153	$ext{source} =
		1154	"package $pkg; use strict; use utf8;\n"
		1155	. "#line 1 \"$path\"\n{\n"
		1156	. $source
		1157	. "\n};\n1";
		1158
		1159	$todo{$base} = \%ext;
		1160	}
		1161
		1162	my %done;
		1163	while (%todo) {
		1164	my $progress;
		1165
		1166	while (my ($k, $v) = each %todo) {
		1167	for (split /,\s*/, $v->{meta}{depends}) {
		1168	goto skip
		1169	unless exists $done{$_};
		1170	}
		1171
		1172	warn "... loading '$k' into '$v->{pkg}'\n";
		1173
		1174	unless (eval $v->{source}) {
		1175	my $msg = $@ ? "$v->{path}: $@\n"
		1176	: "$v->{base}: extension inactive.\n";
		1177
		1178	if (exists $v->{meta}{mandatory}) {
		1179	warn $msg;
		1180	warn "mandatory extension failed to load, exiting.\n";
		1181	exit 1;
		1182	}
		1183
		1184	warn $msg;
		1185	}
		1186
		1187	$done{$k} = delete $todo{$k};
		1188	push @EXTS, $v->{pkg};
		1189	$progress = 1;
930	1	1190	}
931	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
932	}	1196	};
933	}	1197	}
934		1198
935	#############################################################################	1199	#############################################################################
936		1200
		1201	=back
		1202
937	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
938		1204
939	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
940		1206
941	=cut	1207	=cut
…		…
953	Returns the given player object, loading it if necessary (might block).	1219	Returns the given player object, loading it if necessary (might block).
954		1220
955	=cut	1221	=cut
956		1222
957	sub playerdir($) {	1223	sub playerdir($) {
958	cf::localdir	1224	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1225	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1226	}
964		1227
965	sub path($) {	1228	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1229	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1230
968	(playerdir $login) . "/$login.pl"	1231	(playerdir $login) . "/playerdata"
969	}	1232	}
970		1233
971	sub find_active($) {	1234	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1235	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1236	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1249	my $login = $_[0];
987		1250
988	my $guard = cf::lock_acquire "user_find:$login";	1251	my $guard = cf::lock_acquire "user_find:$login";
989		1252
990	$cf::PLAYER{$_[0]} || do {	1253	$cf::PLAYER{$_[0]} || do {
		1254	# rename old playerfiles to new ones
		1255	#TODO: remove when no longer required
		1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1259	aio_unlink +(playerdir $login) . "/$login.pl";
		1260
991	my $pl = load_pl path $login	1261	my $pl = load_pl path $login
992	or return;	1262	or return;
993	$cf::PLAYER{$login} = $pl	1263	$cf::PLAYER{$login} = $pl
994	}	1264	}
995	}	1265	}
…		…
1079	while and may block, so not sync_job-capable, ever.	1349	while and may block, so not sync_job-capable, ever.
1080		1350
1081	=cut	1351	=cut
1082		1352
1083	sub list_logins {	1353	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1354	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1355	or return [];
1086		1356
1087	my @logins;	1357	my @logins;
1088		1358
1089	for my $login (@$dirs) {	1359	for my $login (@$dirs) {
…		…
1124	}	1394	}
1125		1395
1126	\@paths	1396	\@paths
1127	}	1397	}
1128		1398
		1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1400
		1401	Expand crossfire pod fragments into protocol xml.
		1402
		1403	=cut
		1404
		1405	sub expand_cfpod {
		1406	((my $self), (local $_)) = @_;
		1407
		1408	# escape & and <
		1409	s/&/&amp;/g;
		1410	s/(?<![BIUGH])</&lt;/g;
		1411
		1412	# this is buggy, it needs to properly take care of nested <'s
		1413
		1414	1 while
		1415	# replace B<>, I<>, U<> etc.
		1416	s/B<([^\>]*)>/<b>$1<\/b>/
		1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1419	# replace G<male|female> tags
		1420	|| s{G<([^>|]*)\|([^>]*)>}{
		1421	$self->gender ? $2 : $1
		1422	}ge
		1423	# replace H<hint text>
		1424	|| s{H<([^\>]*)>}
		1425	{
		1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1428	"")
		1429	[$self->{hintmode}]
		1430	}ge;
		1431
		1432	# create single paragraphs (very hackish)
		1433	s/(?<=\S)\n(?=\w)/ /g;
		1434
		1435	# compress some whitespace
		1436	s/\s+\n/\n/g; # ws line-ends
		1437	s/\n\n+/\n/g; # double lines
		1438	s/^\n+//; # beginning lines
		1439	s/\n+$//; # ending lines
		1440
		1441	$_
		1442	}
		1443
		1444	sub hintmode {
		1445	$_[0]{hintmode} = $_[1] if @_ > 1;
		1446	$_[0]{hintmode}
		1447	}
		1448
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1130		1450
1131	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1132		1452
1133	=cut	1453	=cut
1134		1454
1135	sub ext_reply($$$%) {	1455	sub ext_reply($$%) {
1136	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1137		1457
1138	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1139		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1460	}
1142		1461
1143	package cf;	1462	=item $player->ext_event ($type, %msg)
		1463
		1464	Sends an ext event to the client.
		1465
		1466	=cut
		1467
		1468	sub ext_event($$%) {
		1469	my ($self, $type, %msg) = @_;
		1470
		1471	$self->ns->ext_event ($type, %msg);
		1472	}
		1473
		1474	=head3 cf::region
		1475
		1476	=over 4
		1477
		1478	=cut
		1479
		1480	package cf::region;
		1481
		1482	=item cf::region::find_by_path $path
		1483
		1484	Tries to decuce the likely region for a map knowing only its path.
		1485
		1486	=cut
		1487
		1488	sub find_by_path($) {
		1489	my ($path) = @_;
		1490
		1491	my ($match, $specificity);
		1492
		1493	for my $region (list) {
		1494	if ($region->match && $path =~ $region->match) {
		1495	($match, $specificity) = ($region, $region->specificity)
		1496	if $region->specificity > $specificity;
		1497	}
		1498	}
		1499
		1500	$match
		1501	}
1144		1502
1145	=back	1503	=back
1146
1147		1504
1148	=head3 cf::map	1505	=head3 cf::map
1149		1506
1150	=over 4	1507	=over 4
1151		1508
…		…
1206	my ($self, $merge) = @_;	1563	my ($self, $merge) = @_;
1207		1564
1208	# we have to keep some variables in memory intact	1565	# we have to keep some variables in memory intact
1209	local $self->{path};	1566	local $self->{path};
1210	local $self->{load_path};	1567	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1568
1214	$self->SUPER::thawer_merge ($merge);	1569	$self->SUPER::thawer_merge ($merge);
1215	}	1570	}
1216		1571
1217	sub normalise {	1572	sub normalise {
…		…
1289		1644
1290	# the original (read-only) location	1645	# the original (read-only) location
1291	sub load_path {	1646	sub load_path {
1292	my ($self) = @_;	1647	my ($self) = @_;
1293		1648
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1649	"$MAPDIR/$self->{path}.map"
1295	}	1650	}
1296		1651
1297	# the temporary/swap location	1652	# the temporary/swap location
1298	sub save_path {	1653	sub save_path {
1299	my ($self) = @_;	1654	my ($self) = @_;
1300		1655
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1657	"$TMPDIR/$path.map"
1303	}	1658	}
1304		1659
1305	# the unique path, undef == no special unique path	1660	# the unique path, undef == no special unique path
1306	sub uniq_path {	1661	sub uniq_path {
1307	my ($self) = @_;	1662	my ($self) = @_;
1308		1663
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1665	"$UNIQUEDIR/$path"
1311	}	1666	}
1312		1667
1313	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1314	# all maps in C++...	1669	# all maps in C++...
1315	sub change_all_map_light {	1670	sub change_all_map_light {
1316	my ($change) = @_;	1671	my ($change) = @_;
1317		1672
1318	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
		1675	}
		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
1320	}	1683	}
1321		1684
1322	sub unlink_save {	1685	sub unlink_save {
1323	my ($self) = @_;	1686	my ($self) = @_;
1324		1687
…		…
1382	$self->load_header_orig	1745	$self->load_header_orig
1383	or return;	1746	or return;
1384	$self->prepare_orig;	1747	$self->prepare_orig;
1385	}	1748	}
1386		1749
		1750	$self->{deny_reset} = 1
		1751	if $self->no_reset;
		1752
		1753	$self->default_region (cf::region::find_by_path $self->{path})
		1754	unless $self->default_region;
		1755
1387	1	1756	1
1388	}	1757	}
1389		1758
1390	sub find;	1759	sub find;
1391	sub find {	1760	sub find {
…		…
1403	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1404		1773
1405	$map->load_header	1774	$map->load_header
1406	or return;	1775	or return;
1407		1776
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1778	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1779	#$cf::WAIT_FOR_TICK->wait;
1411	$map->reset;	1780	$map->reset;
1412	undef $guard;	1781	undef $guard;
1413	return find $path;	1782	return find $path;
…		…
1424	my ($self) = @_;	1793	my ($self) = @_;
1425		1794
1426	local $self->{deny_reset} = 1; # loading can take a long time	1795	local $self->{deny_reset} = 1; # loading can take a long time
1427		1796
1428	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1429	my $guard = cf::lock_acquire "map_load:$path";	1800	my $guard = cf::lock_acquire "map_load:$path";
1430		1801
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1432		1803
1433	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1434		1805
1435	$self->alloc;	1806	$self->alloc;
1436		1807
1437	$self->pre_load;	1808	$self->pre_load;
1438
1439	$self->_load_objects ($self->{load_path}, 1)
1440	or return;
1441
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};
1444
1445	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {
1448	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);
1450	}
1451	}
1452
1453	Coro::cede;
1454
1455	# now do the right thing for maps
1456	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;	1809	Coro::cede;
1463	$self->set_darkness_map;	1810
		1811	$self->_load_objects ($self->{load_path}, 1)
		1812	or return;
		1813
		1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1815	if delete $self->{load_original};
		1816
		1817	if (my $uniq = $self->uniq_path) {
		1818	utf8::encode $uniq;
		1819	if (aio_open $uniq, O_RDONLY, 0) {
		1820	$self->clear_unique_items;
		1821	$self->_load_objects ($uniq, 0);
		1822	}
		1823	}
		1824
		1825	Coro::cede;
		1826	# now do the right thing for maps
		1827	$self->link_multipart_objects;
1464	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	1829	unless $self->difficulty;
1466	Coro::cede;	1830	Coro::cede;
		1831
		1832	unless ($self->{deny_activate}) {
		1833	$self->decay_objects;
		1834	$self->fix_auto_apply;
		1835	$self->update_buttons;
		1836	Coro::cede;
		1837	$self->set_darkness_map;
		1838	Coro::cede;
1467	$self->activate;	1839	$self->activate;
		1840	}
		1841
		1842	$self->in_memory (cf::MAP_IN_MEMORY);
1468	}	1843	}
1469		1844
1470	$self->post_load;	1845	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	1846	}
1474		1847
1475	sub customise_for {	1848	sub customise_for {
1476	my ($self, $ob) = @_;	1849	my ($self, $ob) = @_;
1477		1850
1478	return find "~" . $ob->name . "/" . $self->{path}	1851	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
1480		1856
1481	$self	1857	$self
1482	}	1858	}
1483		1859
1484	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
…		…
1595		1971
1596	sub reset_at {	1972	sub reset_at {
1597	my ($self) = @_;	1973	my ($self) = @_;
1598		1974
1599	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1602		1977
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		1980
…		…
1616	my ($self) = @_;	1991	my ($self) = @_;
1617		1992
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		1994
1620	return if $self->players;	1995	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		1996
1623	warn "resetting map ", $self->path;#d#	1997	warn "resetting map ", $self->path;
1624		1998
1625	$self->in_memory (cf::MAP_SWAPPED);	1999	$self->in_memory (cf::MAP_SWAPPED);
1626		2000
1627	# need to save uniques path	2001	# need to save uniques path
1628	unless ($self->{deny_save}) {	2002	unless ($self->{deny_save}) {
…		…
1660	$cf::MAP{$self->path} = $self;	2034	$cf::MAP{$self->path} = $self;
1661		2035
1662	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1663	}	2037	}
1664		2038
		2039	=item $maps = cf::map::tmp_maps
		2040
		2041	Returns an arrayref with all map paths of currently instantiated and saved
		2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
		2047	[
		2048	map {
		2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
		2055	}
		2056
		2057	=item $maps = cf::map::random_maps
		2058
		2059	Returns an arrayref with all map paths of currently instantiated and saved
		2060	random maps. May block.
		2061
		2062	=cut
		2063
		2064	sub random_maps() {
		2065	[
		2066	map {
		2067	utf8::decode $_;
		2068	/\.map$/
		2069	? normalise "?random/$_"
		2070	: ()
		2071	} @{ aio_readdir $RANDOMDIR or [] }
		2072	]
		2073	}
		2074
1665	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1666		2076
1667	Returns an arrayref of paths of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2078	instantiated unique items. May block.
1669		2079
1670	=cut	2080	=cut
1671		2081
1672	sub unique_maps() {	2082	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2083	[
1674	or return;	2084	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2085	utf8::decode $_;
1680	next if /\.pst$/;	2086	/\.map$/
1681	next unless /^$PATH_SEP/o;	2087	? normalise $_
1682		2088	: ()
1683	push @paths, cf::map::normalise $_;	2089	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2090	]
1685
1686	\@paths
1687	}	2091	}
1688		2092
1689	package cf;	2093	package cf;
1690		2094
1691	=back	2095	=back
…		…
1737		2141
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2143
1740	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1742	} else {	2147	} else {
		2148	my $pl = $self->contr;
		2149
		2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2151	my $diag = $pl->{npc_dialog};
		2152	$diag->{pl}->ext_reply (
		2153	$diag->{id},
		2154	msgtype => "reply",
		2155	msg => $diag->{pl}->expand_cfpod ($msg),
		2156	add_topics => []
		2157	);
		2158
		2159	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1745	}	2163	}
1746	}	2164	}
1747		2165
1748	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1749		2167
…		…
1797	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1798		2216
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2218
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1803		2221
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2223	}
1806		2224
1807	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1809		2229
1810	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1811		2231
1812	unless ($map) {	2232	unless ($map) {
1813	# restore original map position	2233	# restore original map position
…		…
1836		2256
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1839	}	2259	}
1840		2260
1841	cf::player->attach (
1842	on_logout => sub {
1843	my ($pl) = @_;
1844
1845	# abort map switching before logout
1846	if ($pl->ob->{_link_pos}) {
1847	cf::sync_job {
1848	$pl->ob->leave_link
1849	};
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854
1855	# try to abort aborted map switching on player login :)
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872
1873	=item $player_object->goto ($path, $x, $y)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1874		2262
		2263	Moves the player to the given map-path and coordinates by first freezing
		2264	her, loading and preparing them map, calling the provided $check callback
		2265	that has to return the map if sucecssful, and then unfreezes the player on
		2266	the new (success) or old (failed) map position.
		2267
1875	=cut	2268	=cut
		2269
		2270	our $GOTOGEN;
1876		2271
1877	sub cf::object::player::goto {	2272	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2273	my ($self, $path, $x, $y, $check) = @_;
		2274
		2275	# do generation counting so two concurrent goto's will be executed in-order
		2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2277
1880	$self->enter_link;	2278	$self->enter_link;
1881		2279
1882	(async {	2280	(async {
1883	my $map = eval {	2281	my $map = eval {
1884	my $map = cf::map::find $path;	2282	my $map = cf::map::find $path;
		2283
		2284	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2285	$map = $map->customise_for ($self);
		2286	$map = $check->($map) if $check && $map;
		2287	} else {
		2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2289	}
		2290
1886	$map	2291	$map
		2292	};
		2293
		2294	if ($@) {
		2295	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2297	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2298
		2299	if ($gen == $self->{_goto_generation}) {
		2300	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2301	$self->leave_link ($map, $x, $y);
		2302	}
1891	})->prio (1);	2303	})->prio (1);
1892	}	2304	}
1893		2305
1894	=item $player_object->enter_exit ($exit_object)	2306	=item $player_object->enter_exit ($exit_object)
1895		2307
…		…
1934		2346
1935	$rmp->{random_seed} ||= $exit->random_seed;	2347	$rmp->{random_seed} ||= $exit->random_seed;
1936		2348
1937	my $data = cf::to_json $rmp;	2349	my $data = cf::to_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2350	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2351	my $meta = "$RANDOMDIR/$md5.meta";
1940		2352
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2354	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2355	undef $fh;
1944	aio_rename "$meta~", $meta;	2356	aio_rename "$meta~", $meta;
…		…
1953		2365
1954	return unless $self->type == cf::PLAYER;	2366	return unless $self->type == cf::PLAYER;
1955		2367
1956	if ($exit->slaying eq "/!") {	2368	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job	2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2370	# the problem is that $exit might not survive long enough
		2371	# so it needs to be done right now, right here
1958	cf::sync_job { prepare_random_map $exit };	2372	cf::sync_job { prepare_random_map $exit };
1959	}	2373	}
1960		2374
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;	2376	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;	2377	my $sp = $exit->stats->sp;
1964		2378
1965	$self->enter_link;	2379	$self->enter_link;
		2380
		2381	# if exit is damned, update players death & WoR home-position
		2382	$self->contr->savebed ($slaying, $hp, $sp)
		2383	if $exit->flag (FLAG_DAMNED);
1966		2384
1967	(async {	2385	(async {
1968	$self->deactivate_recursive; # just to be sure	2386	$self->deactivate_recursive; # just to be sure
1969	unless (eval {	2387	unless (eval {
1970	$self->goto ($slaying, $hp, $sp);	2388	$self->goto ($slaying, $hp, $sp);
1971		2389
1972	1;	2390	1;
1973	}) {	2391	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2392	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "I'll try to bring you back to the map you were before. "	2393	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2394	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2395	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2396
1979	warn "ERROR in enter_exit: $@";	2397	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2398	$self->leave_link;
1981	}	2399	}
1982	})->prio (1);	2400	})->prio (1);
…		…
1998		2416
1999	utf8::encode $text;	2417	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2419	}
2002		2420
		2421	=item $client->send_msg ($color, $type, $msg, [extra...])
		2422
		2423	Send a drawinfo or msg packet to the client, formatting the msg for the
		2424	client if neccessary. C<$type> should be a string identifying the type of
		2425	the message, with C<log> being the default. If C<$color> is negative, suppress
		2426	the message unless the client supports the msg packet.
		2427
		2428	=cut
		2429
		2430	sub cf::client::send_msg {
		2431	my ($self, $color, $type, $msg, @extra) = @_;
		2432
		2433	$msg = $self->pl->expand_cfpod ($msg);
		2434
		2435	return unless @extra || length $msg;
		2436
		2437	if ($self->can_msg) {
		2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2439	} else {
		2440	# replace some tags by gcfclient-compatible ones
		2441	for ($msg) {
		2442	1 while
		2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2448	}
		2449
		2450	if ($color >= 0) {
		2451	if (0 && $msg =~ /\[/) {
		2452	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2453	} else {
		2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2455	$self->send_packet ("drawinfo $color $msg")
		2456	}
		2457	}
		2458	}
		2459	}
		2460
		2461	=item $client->ext_event ($type, %msg)
		2462
		2463	Sends an ext event to the client.
		2464
		2465	=cut
		2466
		2467	sub cf::client::ext_event($$%) {
		2468	my ($self, $type, %msg) = @_;
		2469
		2470	$msg{msgtype} = "event_$type";
		2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2472	}
2003		2473
2004	=item $success = $client->query ($flags, "text", \&cb)	2474	=item $success = $client->query ($flags, "text", \&cb)
2005		2475
2006	Queues a query to the client, calling the given callback with	2476	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2477	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2478	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2479
2010	Queries can fail, so check the return code. Or don't, as queries will become	2480	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2481	become reliable at some point in the future.
2012		2482
2013	=cut	2483	=cut
2014		2484
2015	sub cf::client::query {	2485	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2486	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2494	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2495	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2496
2027	$self->send_packet ($self->{query_queue}[0][0])	2497	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2498	if @{ $self->{query_queue} } == 1;
		2499
		2500	1
2029	}	2501	}
2030		2502
2031	cf::client->attach (	2503	cf::client->attach (
		2504	on_connect => sub {
		2505	my ($ns) = @_;
		2506
		2507	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2508	},
2032	on_reply => sub {	2509	on_reply => sub {
2033	my ($ns, $msg) = @_;	2510	my ($ns, $msg) = @_;
2034		2511
2035	# this weird shuffling is so that direct followup queries	2512	# this weird shuffling is so that direct followup queries
2036	# get handled first	2513	# get handled first
…		…
2048	} else {	2525	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2526	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2527	}
2051	}	2528	}
2052	},	2529	},
		2530	on_exticmd => sub {
		2531	my ($ns, $buf) = @_;
		2532
		2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2534
		2535	if (ref $msg) {
		2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2537	if (my %reply = $cb->($ns, $msg)) {
		2538	$reply{msgid} = $msg->{msgid};
		2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2540	}
		2541	}
		2542	} else {
		2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2544	}
		2545
		2546	cf::override;
		2547	},
2053	);	2548	);
2054		2549
2055	=item $client->async (\&cb)	2550	=item $client->async (\&cb)
2056		2551
2057	Create a new coroutine, running the specified callback. The coroutine will	2552	Create a new coroutine, running the specified callback. The coroutine will
…		…
2106		2601
2107	=pod	2602	=pod
2108		2603
2109	The following functions and methods are available within a safe environment:	2604	The following functions and methods are available within a safe environment:
2110		2605
2111	cf::object contr pay_amount pay_player map	2606	cf::object
		2607	contr pay_amount pay_player map x y force_find force_add
		2608	insert remove
		2609
2112	cf::object::player player	2610	cf::object::player
2113	cf::player peaceful	2611	player
2114	cf::map trigger	2612
		2613	cf::player
		2614	peaceful
		2615
		2616	cf::map
		2617	trigger
2115		2618
2116	=cut	2619	=cut
2117		2620
2118	for (	2621	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2623	insert remove)],
2120	["cf::object::player" => qw(player)],	2624	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	2625	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	2626	["cf::map" => qw(trigger)],
2123	) {	2627	) {
2124	no strict 'refs';	2628	no strict 'refs';
…		…
2195	=back	2699	=back
2196		2700
2197	=cut	2701	=cut
2198		2702
2199	#############################################################################	2703	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	2704	# the server's init and main functions
2273		2705
2274	sub load_facedata {	2706	sub load_facedata($) {
2275	my $path = sprintf "%s/facedata", cf::datadir;	2707	my ($path) = @_;
2276		2708
2277	warn "loading facedata from $path\n";	2709	warn "loading facedata from $path\n";
2278		2710
2279	my $faces;	2711	my $facedata;
2280	0 < aio_load $path, $faces	2712	0 < aio_load $path, $facedata
2281	or die "$path: $!";	2713	or die "$path: $!";
2282		2714
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	2715	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		2716
2287	my $meta = delete $faces->{""};
2288	$meta->{version} == 1	2717	$facedata->{version} == 2
2289	or cf::cleanup "$path: version mismatch, cannot proceed.";	2718	or cf::cleanup "$path: version mismatch, cannot proceed.";
2290		2719
		2720	{
		2721	my $faces = $facedata->{faceinfo};
		2722
2291	while (my ($face, $info) = each %$faces) {	2723	while (my ($face, $info) = each %$faces) {
2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2725	cf::face::set_visibility $idx, $info->{visibility};
		2726	cf::face::set_magicmap $idx, $info->{magicmap};
2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2727	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2295	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2728	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2296	Coro::cede;
2297	}
2298		2729
		2730	cf::cede_to_tick;
		2731	}
		2732
2299	while (my ($face, $info) = each %$faces) {	2733	while (my ($face, $info) = each %$faces) {
2300	next unless $info->{smooth};	2734	next unless $info->{smooth};
2301	my $idx = cf::face::find $face	2735	my $idx = cf::face::find $face
2302	or next;	2736	or next;
2303	if (my $smooth = cf::face::find $info->{smooth}) {	2737	if (my $smooth = cf::face::find $info->{smooth}) {
2304	cf::face::set_smooth $idx, $smooth;	2738	cf::face::set_smooth $idx, $smooth;
		2739	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2305	} else {	2740	} else {
2306	warn "smooth face '$info->{smooth}' not found for face '$face'";	2741	warn "smooth face '$info->{smooth}' not found for face '$face'";
2307	}	2742	}
2308	Coro::cede;	2743
		2744	cf::cede_to_tick;
		2745	}
		2746	}
		2747
		2748	{
		2749	my $anims = $facedata->{animinfo};
		2750
		2751	while (my ($anim, $info) = each %$anims) {
		2752	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2753	cf::cede_to_tick;
		2754	}
		2755
		2756	cf::anim::invalidate_all; # d'oh
		2757	}
		2758
		2759	{
		2760	# TODO: for gcfclient pleasure, we should give resources
		2761	# that gcfclient doesn't grok a >10000 face index.
		2762	my $res = $facedata->{resource};
		2763	my $enc = JSON::XS->new->utf8->canonical;
		2764
		2765	while (my ($name, $info) = each %$res) {
		2766	my $meta = $enc->encode ({
		2767	name => $name,
		2768	type => $info->{type},
		2769	copyright => $info->{copyright},
		2770	});
		2771	my $data = pack "(w/a*)*", $meta, $info->{data};
		2772	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2773
		2774	use Data::Dumper; warn Dumper substr $data, 0, 100;#d#
		2775
		2776	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2777	cf::face::set_type $idx, 1;
		2778	cf::face::set_data $idx, 0, $data, $chk;
		2779
		2780	# TODO
		2781	cf::cede_to_tick;
		2782	}
2309	}	2783	}
2310		2784
2311	1	2785	1
2312	}	2786	}
2313		2787
		2788	sub reload_regions {
		2789	load_resource_file "$MAPDIR/regions"
		2790	or die "unable to load regions file\n";
		2791	}
		2792
		2793	sub reload_facedata {
		2794	load_facedata "$DATADIR/facedata"
		2795	or die "unable to load facedata\n";
		2796	}
		2797
		2798	sub reload_archetypes {
		2799	load_resource_file "$DATADIR/archetypes"
		2800	or die "unable to load archetypes\n";
		2801	#d# NEED to laod twice to resolve forward references
		2802	# this really needs to be done in an extra post-pass
		2803	# (which needs to be synchronous, so solve it differently)
		2804	load_resource_file "$DATADIR/archetypes"
		2805	or die "unable to load archetypes\n";
		2806	}
		2807
		2808	sub reload_treasures {
		2809	load_resource_file "$DATADIR/treasures"
		2810	or die "unable to load treasurelists\n";
		2811	}
		2812
2314	sub reload_resources {	2813	sub reload_resources {
2315	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2814	warn "reloading resource files...\n";
2316	or die "unable to load regions file\n";#d#	2815
		2816	reload_regions;
2317	load_facedata	2817	reload_facedata;
2318	or die "unable to load facedata\n";#d#	2818	#reload_archetypes;#d#
		2819	reload_archetypes;
		2820	reload_treasures;
		2821
		2822	warn "finished reloading resource files\n";
2319	}	2823	}
2320		2824
2321	sub init {	2825	sub init {
2322	reload_resources;	2826	reload_resources;
2323	}	2827	}
2324		2828
2325	sub cfg_load {	2829	sub cfg_load {
2326	open my $fh, "<:utf8", cf::confdir . "/config"	2830	open my $fh, "<:utf8", "$CONFDIR/config"
2327	or return;	2831	or return;
2328		2832
2329	local $/;	2833	local $/;
2330	*CFG = YAML::Syck::Load <$fh>;	2834	*CFG = YAML::Syck::Load <$fh>;
2331		2835
…		…
2376	},	2880	},
2377	);	2881	);
2378	}	2882	}
2379	}	2883	}
2380		2884
		2885	sub write_runtime {
		2886	my $runtime = "$LOCALDIR/runtime";
		2887
		2888	# first touch the runtime file to show we are still running:
		2889	# the fsync below can take a very very long time.
		2890
		2891	IO::AIO::aio_utime $runtime, undef, undef;
		2892
		2893	my $guard = cf::lock_acquire "write_runtime";
		2894
		2895	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2896	or return;
		2897
		2898	my $value = $cf::RUNTIME + 90 + 10;
		2899	# 10 is the runtime save interval, for a monotonic clock
		2900	# 60 allows for the watchdog to kill the server.
		2901
		2902	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2903	and return;
		2904
		2905	# always fsync - this file is important
		2906	aio_fsync $fh
		2907	and return;
		2908
		2909	# touch it again to show we are up-to-date
		2910	aio_utime $fh, undef, undef;
		2911
		2912	close $fh
		2913	or return;
		2914
		2915	aio_rename "$runtime~", $runtime
		2916	and return;
		2917
		2918	warn "runtime file written.\n";
		2919
		2920	1
		2921	}
		2922
2381	sub emergency_save() {	2923	sub emergency_save() {
2382	my $freeze_guard = cf::freeze_mainloop;	2924	my $freeze_guard = cf::freeze_mainloop;
2383		2925
2384	warn "enter emergency perl save\n";	2926	warn "enter emergency perl save\n";
2385		2927
…		…
2416		2958
2417	warn Carp::longmess "post_cleanup backtrace"	2959	warn Carp::longmess "post_cleanup backtrace"
2418	if $make_core;	2960	if $make_core;
2419	}	2961	}
2420		2962
2421	sub reload() {	2963	sub do_reload_perl() {
2422	# can/must only be called in main	2964	# can/must only be called in main
2423	if ($Coro::current != $Coro::main) {	2965	if ($Coro::current != $Coro::main) {
2424	warn "can only reload from main coroutine";	2966	warn "can only reload from main coroutine";
2425	return;	2967	return;
2426	}	2968	}
…		…
2460	%EXT_CORO = ();	3002	%EXT_CORO = ();
2461		3003
2462	warn "removing commands";	3004	warn "removing commands";
2463	%COMMAND = ();	3005	%COMMAND = ();
2464		3006
2465	warn "removing ext commands";	3007	warn "removing ext/exti commands";
2466	%EXTCMD = ();	3008	%EXTCMD = ();
		3009	%EXTICMD = ();
2467		3010
2468	warn "unloading/nuking all extensions";	3011	warn "unloading/nuking all extensions";
2469	for my $pkg (@EXTS) {	3012	for my $pkg (@EXTS) {
2470	warn "... unloading $pkg";	3013	warn "... unloading $pkg";
2471		3014
…		…
2501	Symbol::delete_package "safe::$_"	3044	Symbol::delete_package "safe::$_"
2502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3045	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2503		3046
2504	warn "unloading cf.pm \"a bit\"";	3047	warn "unloading cf.pm \"a bit\"";
2505	delete $INC{"cf.pm"};	3048	delete $INC{"cf.pm"};
		3049	delete $INC{"cf/pod.pm"};
2506		3050
2507	# don't, removes xs symbols, too,	3051	# don't, removes xs symbols, too,
2508	# and global variables created in xs	3052	# and global variables created in xs
2509	#Symbol::delete_package __PACKAGE__;	3053	#Symbol::delete_package __PACKAGE__;
2510		3054
…		…
2525	warn "reattaching attachments to maps";	3069	warn "reattaching attachments to maps";
2526	reattach $_ for values %MAP;	3070	reattach $_ for values %MAP;
2527	warn "reattaching attachments to players";	3071	warn "reattaching attachments to players";
2528	reattach $_ for values %PLAYER;	3072	reattach $_ for values %PLAYER;
2529		3073
2530	warn "loading reloadable resources";
2531	reload_resources;
2532
2533	warn "leaving sync_job";	3074	warn "leaving sync_job";
2534		3075
2535	1	3076	1
2536	} or do {	3077	} or do {
2537	warn $@;	3078	warn $@;
…		…
2542	warn "reloaded";	3083	warn "reloaded";
2543	};	3084	};
2544		3085
2545	our $RELOAD_WATCHER; # used only during reload	3086	our $RELOAD_WATCHER; # used only during reload
2546		3087
		3088	sub reload_perl() {
		3089	# doing reload synchronously and two reloads happen back-to-back,
		3090	# coro crashes during coro_state_free->destroy here.
		3091
		3092	$RELOAD_WATCHER ||= Event->timer (
		3093	reentrant => 0,
		3094	after => 0,
		3095	data => WF_AUTOCANCEL,
		3096	cb => sub {
		3097	do_reload_perl;
		3098	undef $RELOAD_WATCHER;
		3099	},
		3100	);
		3101	}
		3102
2547	register_command "reload" => sub {	3103	register_command "reload" => sub {
2548	my ($who, $arg) = @_;	3104	my ($who, $arg) = @_;
2549		3105
2550	if ($who->flag (FLAG_WIZ)) {	3106	if ($who->flag (FLAG_WIZ)) {
2551	$who->message ("reloading server.");	3107	$who->message ("reloading server.");
2552		3108	async { reload_perl };
2553	# doing reload synchronously and two reloads happen back-to-back,
2554	# coro crashes during coro_state_free->destroy here.
2555
2556	$RELOAD_WATCHER ||= Event->timer (
2557	reentrant => 0,
2558	after => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => sub {
2561	reload;
2562	undef $RELOAD_WATCHER;
2563	},
2564	);
2565	}	3109	}
2566	};	3110	};
2567		3111
2568	unshift @INC, $LIBDIR;	3112	unshift @INC, $LIBDIR;
2569		3113
2570	my $bug_warning = 0;	3114	my $bug_warning = 0;
2571		3115
		3116	our @WAIT_FOR_TICK;
		3117	our @WAIT_FOR_TICK_BEGIN;
		3118
		3119	sub wait_for_tick {
		3120	return unless $TICK_WATCHER->is_active;
		3121	return if $Coro::current == $Coro::main;
		3122
		3123	my $signal = new Coro::Signal;
		3124	push @WAIT_FOR_TICK, $signal;
		3125	$signal->wait;
		3126	}
		3127
		3128	sub wait_for_tick_begin {
		3129	return unless $TICK_WATCHER->is_active;
		3130	return if $Coro::current == $Coro::main;
		3131
		3132	my $signal = new Coro::Signal;
		3133	push @WAIT_FOR_TICK_BEGIN, $signal;
		3134	$signal->wait;
		3135	}
		3136
		3137	my $min = 1e6;#d#
		3138	my $avg = 10;
2572	$TICK_WATCHER = Event->timer (	3139	$TICK_WATCHER = Event->timer (
2573	reentrant => 0,	3140	reentrant => 0,
2574	parked => 1,	3141	parked => 1,
2575	prio => 0,	3142	prio => 0,
2576	at => $NEXT_TICK || $TICK,	3143	at => $NEXT_TICK || $TICK,
…		…
2580	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3147	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2581	unless ++$bug_warning > 10;	3148	unless ++$bug_warning > 10;
2582	return;	3149	return;
2583	}	3150	}
2584		3151
2585	$NOW = Event::time;	3152	$NOW = $tick_start = Event::time;
2586		3153
2587	cf::server_tick; # one server iteration	3154	cf::server_tick; # one server iteration
		3155
		3156	0 && sync_job {#d#
		3157	for(1..10) {
		3158	my $t = Event::time;
		3159	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3160	or die;
		3161
		3162	$map->width (50);
		3163	$map->height (50);
		3164	$map->alloc;
		3165	$map->_load_objects ("/tmp/x.map", 1);
		3166	my $t = Event::time - $t;
		3167
		3168	#next unless $t < 0.0013;#d#
		3169	if ($t < $min) {
		3170	$min = $t;
		3171	}
		3172	$avg = $avg * 0.99 + $t * 0.01;
		3173	}
		3174	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3175	exit 0;
		3176	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3177	};
		3178
2588	$RUNTIME += $TICK;	3179	$RUNTIME += $TICK;
2589	$NEXT_TICK += $TICK;	3180	$NEXT_TICK += $TICK;
2590		3181
2591	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3182	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2592	$NEXT_RUNTIME_WRITE = $NOW + 10;	3183	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2594	write_runtime	3185	write_runtime
2595	or warn "ERROR: unable to write runtime file: $!";	3186	or warn "ERROR: unable to write runtime file: $!";
2596	};	3187	};
2597	}	3188	}
2598		3189
2599	$WAIT_FOR_TICK->broadcast;
2600	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2601
2602	# my $AFTER = Event::time;	3190	# my $AFTER = Event::time;
2603	# warn $AFTER - $NOW;#d#	3191	# warn $AFTER - $NOW;#d#
2604		3192
		3193	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3194	$sig->send;
		3195	}
		3196	while (my $sig = shift @WAIT_FOR_TICK) {
		3197	$sig->send;
		3198	}
		3199
		3200	$NOW = Event::time;
		3201
2605	# if we are delayed by four ticks or more, skip them all	3202	# if we are delayed by four ticks or more, skip them all
2606	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3203	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2607		3204
2608	$TICK_WATCHER->at ($NEXT_TICK);	3205	$TICK_WATCHER->at ($NEXT_TICK);
2609	$TICK_WATCHER->start;	3206	$TICK_WATCHER->start;
		3207
		3208	$LOAD = ($NOW - $tick_start) / $TICK;
		3209	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3210
		3211	_post_tick;
		3212
		3213
2610	},	3214	},
2611	);	3215	);
2612		3216
2613	{	3217	{
2614	BDB::max_poll_time $TICK * 0.1;	3218	BDB::max_poll_time $TICK * 0.1;
…		…
2642		3246
2643	cf::sync_job {	3247	cf::sync_job {
2644	eval {	3248	eval {
2645	BDB::db_env_open	3249	BDB::db_env_open
2646	$DB_ENV,	3250	$DB_ENV,
2647	$BDB_ENV_DIR,	3251	$BDBDIR,
2648	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3252	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2649	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3253	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2650	0666;	3254	0666;
2651		3255
2652	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3256	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2653		3257
2654	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3258	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2655	$DB_ENV->set_lk_detect;	3259	$DB_ENV->set_lk_detect;
2656	};	3260	};
2657		3261
…		…
2673	prio => 6,	3277	prio => 6,
2674	cb => \&IO::AIO::poll_cb,	3278	cb => \&IO::AIO::poll_cb,
2675	);	3279	);
2676	}	3280	}
2677		3281
		3282	my $_log_backtrace;
		3283
		3284	sub _log_backtrace {
		3285	my ($msg, @addr) = @_;
		3286
		3287	$msg =~ s/\n//;
		3288
		3289	# limit the # of concurrent backtraces
		3290	if ($_log_backtrace < 2) {
		3291	++$_log_backtrace;
		3292	async {
		3293	my @bt = fork_call {
		3294	@addr = map { sprintf "%x", $_ } @addr;
		3295	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3296	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3297	or die "addr2line: $!";
		3298
		3299	my @funcs;
		3300	my @res = <$fh>;
		3301	chomp for @res;
		3302	while (@res) {
		3303	my ($func, $line) = splice @res, 0, 2, ();
		3304	push @funcs, "[$func] $line";
		3305	}
		3306
		3307	@funcs
		3308	};
		3309
		3310	LOG llevInfo, "[ABT] $msg\n";
		3311	LOG llevInfo, "[ABT] $_\n" for @bt;
		3312	--$_log_backtrace;
		3313	};
		3314	} else {
		3315	LOG llevInfo, "[ABT] $msg\n";
		3316	LOG llevInfo, "[ABT] [suppressed]\n";
		3317	}
		3318	}
		3319
		3320	# load additional modules
		3321	use cf::pod;
		3322
2678	END { cf::emergency_save }	3323	END { cf::emergency_save }
2679		3324
2680	1	3325	1
2681		3326

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