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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.236 by root, Thu Apr 12 14:18:05 2007 UTC vs.
Revision 1.305 by root, Thu Jul 12 08:40:14 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];
…		…
1086	while and may block, so not sync_job-capable, ever.	1349	while and may block, so not sync_job-capable, ever.
1087		1350
1088	=cut	1351	=cut
1089		1352
1090	sub list_logins {	1353	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1354	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1355	or return [];
1093		1356
1094	my @logins;	1357	my @logins;
1095		1358
1096	for my $login (@$dirs) {	1359	for my $login (@$dirs) {
…		…
1131	}	1394	}
1132		1395
1133	\@paths	1396	\@paths
1134	}	1397	}
1135		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
1136	=item $player->ext_reply ($msgid, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1137		1450
1138	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1139		1452
1140	=cut	1453	=cut
1141		1454
1142	sub ext_reply($$%) {	1455	sub ext_reply($$%) {
1143	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1144		1457
1145	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1146		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1460	}
1149		1461
1150	=item $player->ext_event ($type, %msg)	1462	=item $player->ext_event ($type, %msg)
1151		1463
1152	Sends an ext event to the client.	1464	Sends an ext event to the client.
…		…
1157	my ($self, $type, %msg) = @_;	1469	my ($self, $type, %msg) = @_;
1158		1470
1159	$self->ns->ext_event ($type, %msg);	1471	$self->ns->ext_event ($type, %msg);
1160	}	1472	}
1161		1473
1162	package cf;	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	$match
		1501	}
1163		1502
1164	=back	1503	=back
1165
1166		1504
1167	=head3 cf::map	1505	=head3 cf::map
1168		1506
1169	=over 4	1507	=over 4
1170		1508
…		…
1225	my ($self, $merge) = @_;	1563	my ($self, $merge) = @_;
1226		1564
1227	# we have to keep some variables in memory intact	1565	# we have to keep some variables in memory intact
1228	local $self->{path};	1566	local $self->{path};
1229	local $self->{load_path};	1567	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1568
1233	$self->SUPER::thawer_merge ($merge);	1569	$self->SUPER::thawer_merge ($merge);
1234	}	1570	}
1235		1571
1236	sub normalise {	1572	sub normalise {
…		…
1308		1644
1309	# the original (read-only) location	1645	# the original (read-only) location
1310	sub load_path {	1646	sub load_path {
1311	my ($self) = @_;	1647	my ($self) = @_;
1312		1648
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1649	"$MAPDIR/$self->{path}.map"
1314	}	1650	}
1315		1651
1316	# the temporary/swap location	1652	# the temporary/swap location
1317	sub save_path {	1653	sub save_path {
1318	my ($self) = @_;	1654	my ($self) = @_;
1319		1655
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1657	"$TMPDIR/$path.map"
1322	}	1658	}
1323		1659
1324	# the unique path, undef == no special unique path	1660	# the unique path, undef == no special unique path
1325	sub uniq_path {	1661	sub uniq_path {
1326	my ($self) = @_;	1662	my ($self) = @_;
1327		1663
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1665	"$UNIQUEDIR/$path"
1330	}	1666	}
1331		1667
1332	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1333	# all maps in C++...	1669	# all maps in C++...
1334	sub change_all_map_light {	1670	sub change_all_map_light {
1335	my ($change) = @_;	1671	my ($change) = @_;
1336		1672
1337	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1338	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	$self->do_decay_objects;
1339	}	1683	}
1340		1684
1341	sub unlink_save {	1685	sub unlink_save {
1342	my ($self) = @_;	1686	my ($self) = @_;
1343		1687
…		…
1401	$self->load_header_orig	1745	$self->load_header_orig
1402	or return;	1746	or return;
1403	$self->prepare_orig;	1747	$self->prepare_orig;
1404	}	1748	}
1405		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
1406	1	1756	1
1407	}	1757	}
1408		1758
1409	sub find;	1759	sub find;
1410	sub find {	1760	sub find {
…		…
1422	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1423		1773
1424	$map->load_header	1774	$map->load_header
1425	or return;	1775	or return;
1426		1776
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	1778	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	1779	#$cf::WAIT_FOR_TICK->wait;
1430	$map->reset;	1780	$map->reset;
1431	undef $guard;	1781	undef $guard;
1432	return find $path;	1782	return find $path;
…		…
1443	my ($self) = @_;	1793	my ($self) = @_;
1444		1794
1445	local $self->{deny_reset} = 1; # loading can take a long time	1795	local $self->{deny_reset} = 1; # loading can take a long time
1446		1796
1447	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1448	my $guard = cf::lock_acquire "map_load:$path";	1800	my $guard = cf::lock_acquire "map_load:$path";
1449		1801
1450	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1451		1803
1452	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1453		1805
1454	$self->alloc;	1806	$self->alloc;
1455		1807
1456	$self->pre_load;	1808	$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;	1809	Coro::cede;
1482	$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;
1483	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	1829	unless $self->difficulty;
1485	Coro::cede;	1830	Coro::cede;
		1831
		1832	unless ($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;
1486	$self->activate;	1839	$self->activate;
		1840	}
		1841
		1842	$self->in_memory (cf::MAP_IN_MEMORY);
1487	}	1843	}
1488		1844
1489	$self->post_load;	1845	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	1846	}
1493		1847
1494	sub customise_for {	1848	sub customise_for {
1495	my ($self, $ob) = @_;	1849	my ($self, $ob) = @_;
1496		1850
1497	return find "~" . $ob->name . "/" . $self->{path}	1851	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
1499		1856
1500	$self	1857	$self
1501	}	1858	}
1502		1859
1503	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
…		…
1614		1971
1615	sub reset_at {	1972	sub reset_at {
1616	my ($self) = @_;	1973	my ($self) = @_;
1617		1974
1618	# TODO: safety, remove and allow resettable per-player maps	1975	# 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};	1976	return 1e99 if $self->{deny_reset};
1621		1977
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		1980
…		…
1635	my ($self) = @_;	1991	my ($self) = @_;
1636		1992
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		1994
1639	return if $self->players;	1995	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		1996
1642	warn "resetting map ", $self->path;#d#	1997	warn "resetting map ", $self->path;
1643		1998
1644	$self->in_memory (cf::MAP_SWAPPED);	1999	$self->in_memory (cf::MAP_SWAPPED);
1645		2000
1646	# need to save uniques path	2001	# need to save uniques path
1647	unless ($self->{deny_save}) {	2002	unless ($self->{deny_save}) {
…		…
1679	$cf::MAP{$self->path} = $self;	2034	$cf::MAP{$self->path} = $self;
1680		2035
1681	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1682	}	2037	}
1683		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
1684	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1685		2076
1686	Returns an arrayref of paths of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2078	instantiated unique items. May block.
1688		2079
1689	=cut	2080	=cut
1690		2081
1691	sub unique_maps() {	2082	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2083	[
1693	or return;	2084	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2085	utf8::decode $_;
1699	next if /\.pst$/;	2086	/\.map$/
1700	next unless /^$PATH_SEP/o;	2087	? normalise $_
1701		2088	: ()
1702	push @paths, cf::map::normalise $_;	2089	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2090	]
1704
1705	\@paths
1706	}	2091	}
1707		2092
1708	package cf;	2093	package cf;
1709		2094
1710	=back	2095	=back
…		…
1756		2141
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2143
1759	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1761	} 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 {
1762	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1764	}	2163	}
1765	}	2164	}
1766		2165
1767	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1768		2167
…		…
1816	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1817		2216
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2218
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1822		2221
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1824	}	2223	}
1825		2224
1826	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1828		2229
1829	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1830		2231
1831	unless ($map) {	2232	unless ($map) {
1832	# restore original map position	2233	# restore original map position
…		…
1855		2256
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1858	}	2259	}
1859		2260
1860	cf::player->attach (
1861	on_logout => sub {
1862	my ($pl) = @_;
1863
1864	# abort map switching before logout
1865	if ($pl->ob->{_link_pos}) {
1866	cf::sync_job {
1867	$pl->ob->leave_link
1868	};
1869	}
1870	},
1871	on_login => sub {
1872	my ($pl) = @_;
1873
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)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1893		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
1894	=cut	2268	=cut
		2269
		2270	our $GOTOGEN;
1895		2271
1896	sub cf::object::player::goto {	2272	sub cf::object::player::goto {
1897	my ($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;
1898		2277
1899	$self->enter_link;	2278	$self->enter_link;
1900		2279
1901	(async {	2280	(async {
1902	my $map = eval {	2281	my $map = eval {
1903	my $map = cf::map::find $path;	2282	my $map = cf::map::find $path;
		2283
		2284	if ($map) {
1904	$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
1905	$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 $@;
1906	} or	2297	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2298
		2299	if ($gen == $self->{_goto_generation}) {
		2300	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2301	$self->leave_link ($map, $x, $y);
		2302	}
1910	})->prio (1);	2303	})->prio (1);
1911	}	2304	}
1912		2305
1913	=item $player_object->enter_exit ($exit_object)	2306	=item $player_object->enter_exit ($exit_object)
1914		2307
…		…
1953		2346
1954	$rmp->{random_seed} ||= $exit->random_seed;	2347	$rmp->{random_seed} ||= $exit->random_seed;
1955		2348
1956	my $data = cf::to_json $rmp;	2349	my $data = cf::to_json $rmp;
1957	my $md5 = Digest::MD5::md5_hex $data;	2350	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2351	my $meta = "$RANDOMDIR/$md5.meta";
1959		2352
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2354	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2355	undef $fh;
1963	aio_rename "$meta~", $meta;	2356	aio_rename "$meta~", $meta;
…		…
1982	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;
1983	my $hp = $exit->stats->hp;	2376	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;	2377	my $sp = $exit->stats->sp;
1985		2378
1986	$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);
1987		2384
1988	(async {	2385	(async {
1989	$self->deactivate_recursive; # just to be sure	2386	$self->deactivate_recursive; # just to be sure
1990	unless (eval {	2387	unless (eval {
1991	$self->goto ($slaying, $hp, $sp);	2388	$self->goto ($slaying, $hp, $sp);
…		…
2019		2416
2020	utf8::encode $text;	2417	utf8::encode $text;
2021	$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);
2022	}	2419	}
2023		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
2024	=item $client->ext_event ($type, %msg)	2461	=item $client->ext_event ($type, %msg)
2025		2462
2026	Sends an exti event to the client.	2463	Sends an ext event to the client.
2027		2464
2028	=cut	2465	=cut
2029		2466
2030	sub cf::client::ext_event($$%) {	2467	sub cf::client::ext_event($$%) {
2031	my ($self, $type, %msg) = @_;	2468	my ($self, $type, %msg) = @_;
2032		2469
		2470	return unless $self->extcmd;
		2471
2033	$msg{msgtype} = "event_$type";	2472	$msg{msgtype} = "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	2473	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2035	}	2474	}
2036		2475
2037	=item $success = $client->query ($flags, "text", \&cb)	2476	=item $success = $client->query ($flags, "text", \&cb)
2038		2477
2039	Queues a query to the client, calling the given callback with	2478	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>,	2479	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>.	2480	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		2481
2043	Queries can fail, so check the return code. Or don't, as queries will become	2482	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	2483	become reliable at some point in the future.
2045		2484
2046	=cut	2485	=cut
2047		2486
2048	sub cf::client::query {	2487	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	2488	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	2496	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2497	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		2498
2060	$self->send_packet ($self->{query_queue}[0][0])	2499	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	2500	if @{ $self->{query_queue} } == 1;
		2501
		2502	1
2062	}	2503	}
2063		2504
2064	cf::client->attach (	2505	cf::client->attach (
		2506	on_connect => sub {
		2507	my ($ns) = @_;
		2508
		2509	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2510	},
2065	on_reply => sub {	2511	on_reply => sub {
2066	my ($ns, $msg) = @_;	2512	my ($ns, $msg) = @_;
2067		2513
2068	# this weird shuffling is so that direct followup queries	2514	# this weird shuffling is so that direct followup queries
2069	# get handled first	2515	# get handled first
…		…
2081	} else {	2527	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2528	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	2529	}
2084	}	2530	}
2085	},	2531	},
		2532	on_exticmd => sub {
		2533	my ($ns, $buf) = @_;
		2534
		2535	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2536
		2537	if (ref $msg) {
		2538	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2539	if (my %reply = $cb->($ns, $msg)) {
		2540	$reply{msgid} = $msg->{msgid};
		2541	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2542	}
		2543	}
		2544	} else {
		2545	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2546	}
		2547
		2548	cf::override;
		2549	},
2086	);	2550	);
2087		2551
2088	=item $client->async (\&cb)	2552	=item $client->async (\&cb)
2089		2553
2090	Create a new coroutine, running the specified callback. The coroutine will	2554	Create a new coroutine, running the specified callback. The coroutine will
…		…
2139		2603
2140	=pod	2604	=pod
2141		2605
2142	The following functions and methods are available within a safe environment:	2606	The following functions and methods are available within a safe environment:
2143		2607
2144	cf::object contr pay_amount pay_player map	2608	cf::object
		2609	contr pay_amount pay_player map x y force_find force_add
		2610	insert remove
		2611
2145	cf::object::player player	2612	cf::object::player
2146	cf::player peaceful	2613	player
2147	cf::map trigger	2614
		2615	cf::player
		2616	peaceful
		2617
		2618	cf::map
		2619	trigger
2148		2620
2149	=cut	2621	=cut
2150		2622
2151	for (	2623	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	2624	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2625	insert remove)],
2153	["cf::object::player" => qw(player)],	2626	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	2627	["cf::player" => qw(peaceful)],
2155	["cf::map" => qw(trigger)],	2628	["cf::map" => qw(trigger)],
2156	) {	2629	) {
2157	no strict 'refs';	2630	no strict 'refs';
…		…
2228	=back	2701	=back
2229		2702
2230	=cut	2703	=cut
2231		2704
2232	#############################################################################	2705	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$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 $_[2], 0, sub { };
2302	}
2303
2304	#############################################################################
2305	# the server's init and main functions	2706	# the server's init and main functions
2306		2707
2307	sub load_facedata {	2708	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	2709	my ($path) = @_;
2309		2710
2310	warn "loading facedata from $path\n";	2711	warn "loading facedata from $path\n";
2311		2712
2312	my $facedata;	2713	my $facedata;
2313	0 < aio_load $path, $facedata	2714	0 < aio_load $path, $facedata
2314	or die "$path: $!";	2715	or die "$path: $!";
2315		2716
2316	Coro::cede;
2317	$facedata = Storable::thaw $facedata;	2717	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		2718
2320	$facedata->{version} == 2	2719	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	2720	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		2721
2323	{	2722	{
2324	my $faces = $facedata->{faceinfo};	2723	my $faces = $facedata->{faceinfo};
2325		2724
2326	while (my ($face, $info) = each %$faces) {	2725	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2726	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2727	cf::face::set_visibility $idx, $info->{visibility};
		2728	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2729	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2730	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2331	Coro::cede;	2731
		2732	cf::cede_to_tick;
2332	}	2733	}
2333		2734
2334	while (my ($face, $info) = each %$faces) {	2735	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	2736	next unless $info->{smooth};
2336	my $idx = cf::face::find $face	2737	my $idx = cf::face::find $face
2337	or next;	2738	or next;
2338	if (my $smooth = cf::face::find $info->{smooth}) {	2739	if (my $smooth = cf::face::find $info->{smooth}) {
		2740	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2741	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	2742	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	2743	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	2744	}
2343	Coro::cede;	2745
		2746	cf::cede_to_tick;
2344	}	2747	}
2345	}	2748	}
2346		2749
2347	{	2750	{
2348	my $anims = $facedata->{animinfo};	2751	my $anims = $facedata->{animinfo};
2349		2752
2350	while (my ($anim, $info) = each %$anims) {	2753	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	2754	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	2755	cf::cede_to_tick;
2353	}	2756	}
2354		2757
2355	cf::anim::invalidate_all; # d'oh	2758	cf::anim::invalidate_all; # d'oh
2356	}	2759	}
2357		2760
		2761	{
		2762	# TODO: for gcfclient pleasure, we should give resources
		2763	# that gcfclient doesn't grok a >10000 face index.
		2764	my $res = $facedata->{resource};
		2765	my $enc = JSON::XS->new->utf8->canonical;
		2766
		2767	while (my ($name, $info) = each %$res) {
		2768	my $meta = $enc->encode ({
		2769	name => $name,
		2770	type => $info->{type},
		2771	copyright => $info->{copyright}, #TODO#
		2772	});
		2773	my $data = pack "(w/a*)*", $meta, $info->{data};
		2774	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		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, $chk;
		2779
		2780	cf::cede_to_tick;
		2781	}
		2782	}
		2783
2358	1	2784	1
2359	}	2785	}
2360		2786
		2787	sub reload_regions {
		2788	load_resource_file "$MAPDIR/regions"
		2789	or die "unable to load regions file\n";
		2790
		2791	for (cf::region::list) {
		2792	$_->{match} = qr/$_->{match}/
		2793	if exists $_->{match};
		2794	}
		2795	}
		2796
		2797	sub reload_facedata {
		2798	load_facedata "$DATADIR/facedata"
		2799	or die "unable to load facedata\n";
		2800	}
		2801
		2802	sub reload_archetypes {
		2803	load_resource_file "$DATADIR/archetypes"
		2804	or die "unable to load archetypes\n";
		2805	#d# NEED to laod twice to resolve forward references
		2806	# this really needs to be done in an extra post-pass
		2807	# (which needs to be synchronous, so solve it differently)
		2808	load_resource_file "$DATADIR/archetypes"
		2809	or die "unable to load archetypes\n";
		2810	}
		2811
		2812	sub reload_treasures {
		2813	load_resource_file "$DATADIR/treasures"
		2814	or die "unable to load treasurelists\n";
		2815	}
		2816
2361	sub reload_resources {	2817	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2818	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	2819
		2820	reload_regions;
2364	load_facedata	2821	reload_facedata;
2365	or die "unable to load facedata\n";#d#	2822	#reload_archetypes;#d#
		2823	reload_archetypes;
		2824	reload_treasures;
		2825
		2826	warn "finished reloading resource files\n";
2366	}	2827	}
2367		2828
2368	sub init {	2829	sub init {
2369	reload_resources;	2830	reload_resources;
2370	}	2831	}
2371		2832
2372	sub cfg_load {	2833	sub cfg_load {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	2834	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	2835	or return;
2375		2836
2376	local $/;	2837	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	2838	*CFG = YAML::Syck::Load <$fh>;
2378		2839
…		…
2423	},	2884	},
2424	);	2885	);
2425	}	2886	}
2426	}	2887	}
2427		2888
		2889	sub write_runtime {
		2890	my $runtime = "$LOCALDIR/runtime";
		2891
		2892	# first touch the runtime file to show we are still running:
		2893	# the fsync below can take a very very long time.
		2894
		2895	IO::AIO::aio_utime $runtime, undef, undef;
		2896
		2897	my $guard = cf::lock_acquire "write_runtime";
		2898
		2899	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2900	or return;
		2901
		2902	my $value = $cf::RUNTIME + 90 + 10;
		2903	# 10 is the runtime save interval, for a monotonic clock
		2904	# 60 allows for the watchdog to kill the server.
		2905
		2906	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2907	and return;
		2908
		2909	# always fsync - this file is important
		2910	aio_fsync $fh
		2911	and return;
		2912
		2913	# touch it again to show we are up-to-date
		2914	aio_utime $fh, undef, undef;
		2915
		2916	close $fh
		2917	or return;
		2918
		2919	aio_rename "$runtime~", $runtime
		2920	and return;
		2921
		2922	warn "runtime file written.\n";
		2923
		2924	1
		2925	}
		2926
2428	sub emergency_save() {	2927	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	2928	my $freeze_guard = cf::freeze_mainloop;
2430		2929
2431	warn "enter emergency perl save\n";	2930	warn "enter emergency perl save\n";
2432		2931
…		…
2463		2962
2464	warn Carp::longmess "post_cleanup backtrace"	2963	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	2964	if $make_core;
2466	}	2965	}
2467		2966
2468	sub reload() {	2967	sub do_reload_perl() {
2469	# can/must only be called in main	2968	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	2969	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	2970	warn "can only reload from main coroutine";
2472	return;	2971	return;
2473	}	2972	}
…		…
2507	%EXT_CORO = ();	3006	%EXT_CORO = ();
2508		3007
2509	warn "removing commands";	3008	warn "removing commands";
2510	%COMMAND = ();	3009	%COMMAND = ();
2511		3010
2512	warn "removing ext commands";	3011	warn "removing ext/exti commands";
2513	%EXTCMD = ();	3012	%EXTCMD = ();
		3013	%EXTICMD = ();
2514		3014
2515	warn "unloading/nuking all extensions";	3015	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3016	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3017	warn "... unloading $pkg";
2518		3018
…		…
2548	Symbol::delete_package "safe::$_"	3048	Symbol::delete_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3049	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3050
2551	warn "unloading cf.pm \"a bit\"";	3051	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3052	delete $INC{"cf.pm"};
		3053	delete $INC{"cf/pod.pm"};
2553		3054
2554	# don't, removes xs symbols, too,	3055	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3056	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3057	#Symbol::delete_package __PACKAGE__;
2557		3058
…		…
2572	warn "reattaching attachments to maps";	3073	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3074	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3075	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3076	reattach $_ for values %PLAYER;
2576		3077
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3078	warn "leaving sync_job";
2581		3079
2582	1	3080	1
2583	} or do {	3081	} or do {
2584	warn $@;	3082	warn $@;
…		…
2589	warn "reloaded";	3087	warn "reloaded";
2590	};	3088	};
2591		3089
2592	our $RELOAD_WATCHER; # used only during reload	3090	our $RELOAD_WATCHER; # used only during reload
2593		3091
		3092	sub reload_perl() {
		3093	# doing reload synchronously and two reloads happen back-to-back,
		3094	# coro crashes during coro_state_free->destroy here.
		3095
		3096	$RELOAD_WATCHER ||= Event->timer (
		3097	reentrant => 0,
		3098	after => 0,
		3099	data => WF_AUTOCANCEL,
		3100	cb => sub {
		3101	do_reload_perl;
		3102	undef $RELOAD_WATCHER;
		3103	},
		3104	);
		3105	}
		3106
2594	register_command "reload" => sub {	3107	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3108	my ($who, $arg) = @_;
2596		3109
2597	if ($who->flag (FLAG_WIZ)) {	3110	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3111	$who->message ("reloading server.");
2599		3112	async { reload_perl };
2600	# doing reload synchronously and two reloads happen back-to-back,
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);
2612	}	3113	}
2613	};	3114	};
2614		3115
2615	unshift @INC, $LIBDIR;	3116	unshift @INC, $LIBDIR;
2616		3117
2617	my $bug_warning = 0;	3118	my $bug_warning = 0;
2618		3119
		3120	our @WAIT_FOR_TICK;
		3121	our @WAIT_FOR_TICK_BEGIN;
		3122
		3123	sub wait_for_tick {
		3124	return unless $TICK_WATCHER->is_active;
		3125	return if $Coro::current == $Coro::main;
		3126
		3127	my $signal = new Coro::Signal;
		3128	push @WAIT_FOR_TICK, $signal;
		3129	$signal->wait;
		3130	}
		3131
		3132	sub wait_for_tick_begin {
		3133	return unless $TICK_WATCHER->is_active;
		3134	return if $Coro::current == $Coro::main;
		3135
		3136	my $signal = new Coro::Signal;
		3137	push @WAIT_FOR_TICK_BEGIN, $signal;
		3138	$signal->wait;
		3139	}
		3140
		3141	my $min = 1e6;#d#
		3142	my $avg = 10;
2619	$TICK_WATCHER = Event->timer (	3143	$TICK_WATCHER = Event->timer (
2620	reentrant => 0,	3144	reentrant => 0,
2621	parked => 1,	3145	parked => 1,
2622	prio => 0,	3146	prio => 0,
2623	at => $NEXT_TICK || $TICK,	3147	at => $NEXT_TICK || $TICK,
…		…
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3151	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3152	unless ++$bug_warning > 10;
2629	return;	3153	return;
2630	}	3154	}
2631		3155
2632	$NOW = Event::time;	3156	$NOW = $tick_start = Event::time;
2633		3157
2634	cf::server_tick; # one server iteration	3158	cf::server_tick; # one server iteration
		3159
		3160	0 && sync_job {#d#
		3161	for(1..10) {
		3162	my $t = Event::time;
		3163	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3164	or die;
		3165
		3166	$map->width (50);
		3167	$map->height (50);
		3168	$map->alloc;
		3169	$map->_load_objects ("/tmp/x.map", 1);
		3170	my $t = Event::time - $t;
		3171
		3172	#next unless $t < 0.0013;#d#
		3173	if ($t < $min) {
		3174	$min = $t;
		3175	}
		3176	$avg = $avg * 0.99 + $t * 0.01;
		3177	}
		3178	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3179	exit 0;
		3180	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3181	};
		3182
2635	$RUNTIME += $TICK;	3183	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;	3184	$NEXT_TICK += $TICK;
2637		3185
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3186	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3187	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2641	write_runtime	3189	write_runtime
2642	or warn "ERROR: unable to write runtime file: $!";	3190	or warn "ERROR: unable to write runtime file: $!";
2643	};	3191	};
2644	}	3192	}
2645		3193
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;	3194	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#	3195	# warn $AFTER - $NOW;#d#
2651		3196
		3197	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3198	$sig->send;
		3199	}
		3200	while (my $sig = shift @WAIT_FOR_TICK) {
		3201	$sig->send;
		3202	}
		3203
		3204	$NOW = Event::time;
		3205
2652	# if we are delayed by four ticks or more, skip them all	3206	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3207	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2654		3208
2655	$TICK_WATCHER->at ($NEXT_TICK);	3209	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;	3210	$TICK_WATCHER->start;
		3211
		3212	$LOAD = ($NOW - $tick_start) / $TICK;
		3213	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3214
		3215	_post_tick;
		3216
		3217
2657	},	3218	},
2658	);	3219	);
2659		3220
2660	{	3221	{
2661	BDB::max_poll_time $TICK * 0.1;	3222	BDB::max_poll_time $TICK * 0.1;
…		…
2689		3250
2690	cf::sync_job {	3251	cf::sync_job {
2691	eval {	3252	eval {
2692	BDB::db_env_open	3253	BDB::db_env_open
2693	$DB_ENV,	3254	$DB_ENV,
2694	$BDB_ENV_DIR,	3255	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3256	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3257	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3258	0666;
2698		3259
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3260	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700		3261
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3262	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;	3263	$DB_ENV->set_lk_detect;
2703	};	3264	};
2704		3265
…		…
2720	prio => 6,	3281	prio => 6,
2721	cb => \&IO::AIO::poll_cb,	3282	cb => \&IO::AIO::poll_cb,
2722	);	3283	);
2723	}	3284	}
2724		3285
		3286	my $_log_backtrace;
		3287
		3288	sub _log_backtrace {
		3289	my ($msg, @addr) = @_;
		3290
		3291	$msg =~ s/\n//;
		3292
		3293	# limit the # of concurrent backtraces
		3294	if ($_log_backtrace < 2) {
		3295	++$_log_backtrace;
		3296	async {
		3297	my @bt = fork_call {
		3298	@addr = map { sprintf "%x", $_ } @addr;
		3299	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3300	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3301	or die "addr2line: $!";
		3302
		3303	my @funcs;
		3304	my @res = <$fh>;
		3305	chomp for @res;
		3306	while (@res) {
		3307	my ($func, $line) = splice @res, 0, 2, ();
		3308	push @funcs, "[$func] $line";
		3309	}
		3310
		3311	@funcs
		3312	};
		3313
		3314	LOG llevInfo, "[ABT] $msg\n";
		3315	LOG llevInfo, "[ABT] $_\n" for @bt;
		3316	--$_log_backtrace;
		3317	};
		3318	} else {
		3319	LOG llevInfo, "[ABT] $msg\n";
		3320	LOG llevInfo, "[ABT] [suppressed]\n";
		3321	}
		3322	}
		3323
		3324	# load additional modules
		3325	use cf::pod;
		3326
2725	END { cf::emergency_save }	3327	END { cf::emergency_save }
2726		3328
2727	1	3329	1
2728		3330

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