ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.240 by root, Mon Apr 16 10:14:25 2007 UTC vs.
Revision 1.312 by root, Sat Jul 21 18:01:26 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;
21	use Coro::Storable;	23	use Coro::Storable;
22		24
		25	use JSON::XS 1.4 ();
23	use BDB ();	26	use BDB ();
24	use Data::Dumper;	27	use Data::Dumper;
25	use Digest::MD5;	28	use Digest::MD5;
26	use Fcntl;	29	use Fcntl;
27	use YAML::Syck ();	30	use YAML::Syck ();
28	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
29	use Time::HiRes;	32	use Time::HiRes;
30	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
31		35
32	# configure various modules to our taste	36	# configure various modules to our taste
33	#	37	#
34	$Storable::canonical = 1; # reduce rsync transfers	38	$Storable::canonical = 1; # reduce rsync transfers
35	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
…		…
47	our %COMMAND = ();	51	our %COMMAND = ();
48	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
49		53
50	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
54		59
55	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
56	our @EVENT;	61	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		62
59	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(!)
60	our $TICK_WATCHER;	76	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	79	our $NEXT_TICK;
64	our $NOW;	80	our $NOW;
…		…
73	our $RUNTIME;	89	our $RUNTIME;
74		90
75	our %PLAYER; # all users	91	our %PLAYER; # all users
76	our %MAP; # all maps	92	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		94
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $tick_start; # for load detecting purposes
		101
84	binmode STDOUT;	102	binmode STDOUT;
85	binmode STDERR;	103	binmode STDERR;
86		104
87	# read virtual server time, if available	105	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
92	}	110	}
93		111
94	mkdir cf::localdir;	112	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		114
101	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
102		116
103	sub cf::map::normalise;	117	sub cf::map::normalise;
104		118
…		…
115	=item $cf::RUNTIME	129	=item $cf::RUNTIME
116		130
117	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
118	every server tick.	132	every server tick.
119		133
120	=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
121		137
122	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		142
125	=item $cf::NOW	143	=item $cf::NOW
126		144
127	The time of the last (current) server tick.	145	The time of the last (current) server tick.
128		146
129	=item $cf::TICK	147	=item $cf::TICK
130		148
131	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.
132		160
133	=item %cf::CFG	161	=item %cf::CFG
134		162
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
136	from wherever your confdir points to.	164	from wherever your confdir points to.
…		…
139		167
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	169	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
		177
144	=back	178	=back
145		179
146	=cut	180	=cut
147		181
148	BEGIN {	182	BEGIN {
149	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	184	my $msg = join "", @_;
151	utf8::encode $msg;
152		185
153	$msg .= "\n"	186	$msg .= "\n"
154	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
155		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
156	LOG llevError, $msg;	192	LOG llevError, $msg;
157	};	193	};
158	}	194	}
159		195
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		203
167	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	205	# within the Safe compartment.
169	for my $pkg (qw(	206	for my $pkg (qw(
170	cf::global cf::attachable	207	cf::global cf::attachable
…		…
178	}	215	}
179		216
180	$Event::DIED = sub {	217	$Event::DIED = sub {
181	warn "error in event callback: @_";	218	warn "error in event callback: @_";
182	};	219	};
		220
		221	#############################################################################
183		222
184	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
185		224
186	=over 4	225	=over 4
187		226
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	246	$d
208	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
209	}	248	}
210		249
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
214		251
215	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
216		253
217	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
218		255
219	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
		257
		258	=cut
		259
		260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		261
		262	sub to_json ($) { $json_coder->encode ($_[0]) }
		263	sub from_json ($) { $json_coder->decode ($_[0]) }
220		264
221	=item cf::lock_wait $string	265	=item cf::lock_wait $string
222		266
223	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
224		268
…		…
230	returned.	274	returned.
231		275
232	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
234		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
235	=cut	283	=cut
236		284
237	our %LOCK;	285	our %LOCK;
238		286
239	sub lock_wait($) {	287	sub lock_wait($) {
…		…
256		304
257	Coro::guard {	305	Coro::guard {
258	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
260	}	308	}
		309	}
		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
261	}	315	}
262		316
263	sub freeze_mainloop {	317	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
265		319
…		…
280		334
281	BEGIN { *async = \&Coro::async_pool }	335	BEGIN { *async = \&Coro::async_pool }
282		336
283	=item cf::sync_job { BLOCK }	337	=item cf::sync_job { BLOCK }
284		338
285	The design of crossfire+ requires that the main coro ($Coro::main) is	339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	340	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		342	acceptable.
288		343
289	If it must be done, put the blocking parts into C<sync_job>. This will run	344	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	345	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	346	server will be frozen during this time, so the block should either finish
292	fast or be very important.	347	fast or be very important.
…		…
295		350
296	sub sync_job(&) {	351	sub sync_job(&) {
297	my ($job) = @_;	352	my ($job) = @_;
298		353
299	if ($Coro::current == $Coro::main) {	354	if ($Coro::current == $Coro::main) {
		355	my $time = Event::time;
		356
300	# this is the main coro, too bad, we have to block	357	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	358	# till the operation succeeds, freezing the server :/
302		359
303	# TODO: use suspend/resume instead	360	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	361	# (but this is cancel-safe)
…		…
315		372
316	while ($busy) {	373	while ($busy) {
317	Coro::cede or Event::one_event;	374	Coro::cede or Event::one_event;
318	}	375	}
319		376
		377	$time = Event::time - $time;
		378
		379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		381
		382	$tick_start += $time; # do not account sync jobs to server load
		383
320	wantarray ? @res : $res[0]	384	wantarray ? @res : $res[0]
321	} else {	385	} else {
322	# we are in another coroutine, how wonderful, everything just works	386	# we are in another coroutine, how wonderful, everything just works
323		387
324	$job->()	388	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	407	$EXT_CORO{$coro+0} = $coro;
344		408
345	$coro	409	$coro
346	}	410	}
347		411
348	sub write_runtime {	412	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		413
351	my $runtime = cf::localdir . "/runtime";	414	Executes the given code block with the given arguments in a seperate
		415	process, returning the results. Everything must be serialisable with
		416	Coro::Storable. May, of course, block. Note that the executed sub may
		417	never block itself or use any form of Event handling.
352		418
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	419	=cut
354	or return;
355		420
356	my $value = $cf::RUNTIME + 90 + 10;	421	sub _store_scalar {
357	# 10 is the runtime save interval, for a monotonic clock	422	open my $fh, ">", \my $buf
358	# 60 allows for the watchdog to kill the server.	423	or die "fork_call: cannot open fh-to-buf in child : $!";
359		424	Storable::store_fd $_[0], $fh;
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
361	and return;
362
363	# always fsync - this file is important
364	aio_fsync $fh
365	and return;
366
367	close $fh	425	close $fh;
368	or return;
369		426
370	aio_rename "$runtime~", $runtime	427	$buf
371	and return;	428	}
372		429
		430	sub fork_call(&@) {
		431	my ($cb, @args) = @_;
		432
		433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		434	# or die "socketpair: $!";
		435	pipe my $fh1, my $fh2
		436	or die "pipe: $!";
		437
		438	if (my $pid = fork) {
		439	close $fh2;
		440
		441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		442	warn "pst<$res>" unless $res =~ /^pst/;
		443	$res = Coro::Storable::thaw $res;
		444
		445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		446
		447	Carp::confess $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
373	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		505	my $key = "$_[0]/$_[1]";
		506
		507	cf::sync_job {
		508	BDB::db_get $DB, undef, $key, my $data;
		509
		510	$! ? ()
		511	: $data
		512	}
		513	}
		514
		515	sub db_put($$$) {
		516	BDB::dbreq_pri 4;
		517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		518	}
		519
		520	=item cf::cache $id => [$paths...], $processversion => $process
		521
		522	Generic caching function that returns the value of the resource $id,
		523	caching and regenerating as required.
		524
		525	This function can block.
		526
		527	=cut
		528
		529	sub cache {
		530	my ($id, $src, $processversion, $process) = @_;
		531
		532	my $meta =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	aio_stat $_
		537	and Carp::croak "$_: $!";
		538
		539	($_, (stat _)[7,9])
		540	} @$src;
		541
		542	my $dbmeta = db_get cache => "$id/meta";
		543	if ($dbmeta ne $meta) {
		544	# changed, we may need to process
		545
		546	my @data;
		547	my $md5;
		548
		549	for (0 .. $#$src) {
		550	0 <= aio_load $src->[$_], $data[$_]
		551	or Carp::croak "$src->[$_]: $!";
		552	}
		553
		554	# if processing is expensive, check
		555	# checksum first
		556	if (1) {
		557	$md5 =
		558	join "\x00",
		559	$processversion,
		560	map {
		561	Coro::cede;
		562	($src->[$_], Digest::MD5::md5_hex $data[$_])
		563	} 0.. $#$src;
		564
		565
		566	my $dbmd5 = db_get cache => "$id/md5";
		567	if ($dbmd5 eq $md5) {
		568	db_put cache => "$id/meta", $meta;
		569
		570	return db_get cache => "$id/data";
		571	}
		572	}
		573
		574	my $t1 = Time::HiRes::time;
		575	my $data = $process->(\@data);
		576	my $t2 = Time::HiRes::time;
		577
		578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		579
		580	db_put cache => "$id/data", $data;
		581	db_put cache => "$id/md5" , $md5;
		582	db_put cache => "$id/meta", $meta;
		583
		584	return $data;
		585	}
		586
		587	db_get cache => "$id/data"
374	}	588	}
375		589
376	=item cf::datalog type => key => value, ...	590	=item cf::datalog type => key => value, ...
377		591
378	Log a datalog packet of the given type with the given key-value pairs.	592	Log a datalog packet of the given type with the given key-value pairs.
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	610	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
398		612
399	In the following description, CLASS can be any of C<global>, C<object>	613	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	614	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	615	Crossfire TRT).
402		616
403	=over 4	617	=over 4
404		618
405	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
406		620
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
570		784
571	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		789
576	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	791	my $pkg = shift @arg;
578		792
579	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
609	}	823	}
610		824
611	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
612	} else {	826	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	828	}
615		829
616	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
617	}	831	}
618		832
…		…
620	if (ref $_[0]) {	834	if (ref $_[0]) {
621	_object_attach @_;	835	_object_attach @_;
622	} else {	836	} else {
623	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
624	}	838	}
		839	_recalc_want;
625	};	840	};
626		841
627	# all those should be optimised	842	# all those should be optimised
628	sub cf::attachable::detach {	843	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
633	reattach ($obj);	848	reattach ($obj);
634	} else {	849	} else {
635	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
636	}	851	}
		852	_recalc_want;
637	};	853	};
638		854
639	sub cf::attachable::attached {	855	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
641		857
…		…
656	";	872	";
657	die if $@;	873	die if $@;
658	}	874	}
659		875
660	our $override;	876	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	877	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		878
663	sub override {	879	sub override {
664	$override = 1;	880	$override = 1;
665	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
666	}	882	}
667		883
668	sub do_invoke {	884	sub do_invoke {
669	my $event = shift;	885	my $event = shift;
670	my $callbacks = shift;	886	my $callbacks = shift;
671		887
672	@invoke_results = ();	888	@INVOKE_RESULTS = ();
673		889
674	local $override;	890	local $override;
675		891
676	for (@$callbacks) {	892	for (@$callbacks) {
677	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
694		910
695	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
696		912
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	913	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	914	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		916
701	=back	917	=back
702		918
703	=cut	919	=cut
704		920
705	#############################################################################	921	#############################################################################
706	# object support	922	# object support
		923	#
		924
		925	sub _can_merge {
		926	my ($ob1, $ob2) = @_;
		927
		928	local $Storable::canonical = 1;
		929	my $fob1 = Storable::freeze $ob1;
		930	my $fob2 = Storable::freeze $ob2;
		931
		932	$fob1 eq $fob2
		933	}
707		934
708	sub reattach {	935	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	936	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	937	my ($obj) = @_;
711		938
…		…
814	or return;	1041	or return;
815	$av = eval { (Storable::thaw $av)->{objs} };	1042	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1043	}
817		1044
818	warn sprintf "loading %s (%d)\n",	1045	warn sprintf "loading %s (%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1046	$filename, length $data, scalar @{$av || []};
820	return ($data, $av);	1047	return ($data, $av);
821	}	1048	}
		1049
		1050	=head2 COMMAND CALLBACKS
		1051
		1052	=over 4
		1053
		1054	=cut
822		1055
823	#############################################################################	1056	#############################################################################
824	# command handling &c	1057	# command handling &c
825		1058
826	=item cf::register_command $name => \&callback($ob,$args);	1059	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1072	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1073	}
841		1074
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1075	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1076
844	Register a callbackf ro execution when the client sends an extcmd packet.	1077	Register a callback for execution when the client sends an (synchronous)
		1078	extcmd packet. Ext commands will be processed in the order they are
		1079	received by the server, like other user commands. The first argument is
		1080	the logged-in player. Ext commands can only be processed after a player
		1081	has logged in successfully.
845		1082
846	If the callback returns something, it is sent back as if reply was being	1083	If the callback returns something, it is sent back as if reply was being
847	called.	1084	called.
848		1085
		1086	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1087
		1088	Register a callback for execution when the client sends an (asynchronous)
		1089	exticmd packet. Exti commands are processed by the server as soon as they
		1090	are received, i.e. out of order w.r.t. other commands. The first argument
		1091	is a client socket. Exti commands can be received anytime, even before
		1092	log-in.
		1093
		1094	If the callback returns something, it is sent back as if reply was being
		1095	called.
		1096
849	=cut	1097	=cut
850		1098
851	sub register_extcmd {	1099	sub register_extcmd {
852	my ($name, $cb) = @_;	1100	my ($name, $cb) = @_;
853		1101
854	$EXTCMD{$name} = $cb;	1102	$EXTCMD{$name} = $cb;
		1103	}
		1104
		1105	sub register_exticmd {
		1106	my ($name, $cb) = @_;
		1107
		1108	$EXTICMD{$name} = $cb;
855	}	1109	}
856		1110
857	cf::player->attach (	1111	cf::player->attach (
858	on_command => sub {	1112	on_command => sub {
859	my ($pl, $name, $params) = @_;	1113	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1122	cf::override;
869	},	1123	},
870	on_extcmd => sub {	1124	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1125	my ($pl, $buf) = @_;
872		1126
873	my $msg = eval { from_json $buf };	1127	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1128
875	if (ref $msg) {	1129	if (ref $msg) {
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1130	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
877	if (my %reply = $cb->($pl, $msg)) {	1131	if (my %reply = $cb->($pl, $msg)) {
878	$pl->ext_reply ($msg->{msgid}, %reply);	1132	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
884		1138
885	cf::override;	1139	cf::override;
886	},	1140	},
887	);	1141	);
888		1142
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1143	sub load_extensions {
		1144	cf::sync_job {
		1145	my %todo;
		1146
924	for my $ext (<$LIBDIR/*.ext>) {	1147	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1148	next unless -r $path;
926	eval {	1149
927	load_extension $ext;	1150	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1151	my $base = $1;
		1152	my $pkg = $1;
		1153	$pkg =~ s/[^[:word:]]/_/g;
		1154	$pkg = "ext::$pkg";
		1155
		1156	open my $fh, "<:utf8", $path
		1157	or die "$path: $!";
		1158
		1159	my $source = do { local $/; <$fh> };
		1160
		1161	my %ext = (
		1162	path => $path,
		1163	base => $base,
		1164	pkg => $pkg,
		1165	);
		1166
		1167	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1168	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1169
		1170	$ext{source} =
		1171	"package $pkg; use strict; use utf8;\n"
		1172	. "#line 1 \"$path\"\n{\n"
		1173	. $source
		1174	. "\n};\n1";
		1175
		1176	$todo{$base} = \%ext;
		1177	}
		1178
		1179	my %done;
		1180	while (%todo) {
		1181	my $progress;
		1182
		1183	while (my ($k, $v) = each %todo) {
		1184	for (split /,\s*/, $v->{meta}{depends}) {
		1185	goto skip
		1186	unless exists $done{$_};
		1187	}
		1188
		1189	warn "... loading '$k' into '$v->{pkg}'\n";
		1190
		1191	unless (eval $v->{source}) {
		1192	my $msg = $@ ? "$v->{path}: $@\n"
		1193	: "$v->{base}: extension inactive.\n";
		1194
		1195	if (exists $v->{meta}{mandatory}) {
		1196	warn $msg;
		1197	warn "mandatory extension failed to load, exiting.\n";
		1198	exit 1;
		1199	}
		1200
		1201	warn $msg;
		1202	}
		1203
		1204	$done{$k} = delete $todo{$k};
		1205	push @EXTS, $v->{pkg};
		1206	$progress = 1;
928	1	1207	}
929	} or warn "$ext not loaded: $@";	1208
		1209	skip:
		1210	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1211	unless $progress;
		1212	}
930	}	1213	};
931	}	1214	}
932		1215
933	#############################################################################	1216	#############################################################################
934		1217
		1218	=back
		1219
935	=head2 CORE EXTENSIONS	1220	=head2 CORE EXTENSIONS
936		1221
937	Functions and methods that extend core crossfire objects.	1222	Functions and methods that extend core crossfire objects.
938		1223
939	=cut	1224	=cut
…		…
951	Returns the given player object, loading it if necessary (might block).	1236	Returns the given player object, loading it if necessary (might block).
952		1237
953	=cut	1238	=cut
954		1239
955	sub playerdir($) {	1240	sub playerdir($) {
956	cf::localdir	1241	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1242	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1243	}
962		1244
963	sub path($) {	1245	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1246	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1084	while and may block, so not sync_job-capable, ever.	1366	while and may block, so not sync_job-capable, ever.
1085		1367
1086	=cut	1368	=cut
1087		1369
1088	sub list_logins {	1370	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1371	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1372	or return [];
1091		1373
1092	my @logins;	1374	my @logins;
1093		1375
1094	for my $login (@$dirs) {	1376	for my $login (@$dirs) {
…		…
1129	}	1411	}
1130		1412
1131	\@paths	1413	\@paths
1132	}	1414	}
1133		1415
		1416	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1417
		1418	Expand crossfire pod fragments into protocol xml.
		1419
		1420	=cut
		1421
		1422	sub expand_cfpod {
		1423	((my $self), (local $_)) = @_;
		1424
		1425	# escape & and <
		1426	s/&/&amp;/g;
		1427	s/(?<![BIUGH])</&lt;/g;
		1428
		1429	# this is buggy, it needs to properly take care of nested <'s
		1430
		1431	1 while
		1432	# replace B<>, I<>, U<> etc.
		1433	s/B<([^\>]*)>/<b>$1<\/b>/
		1434	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1435	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1436	# replace G<male|female> tags
		1437	|| s{G<([^>|]*)\|([^>]*)>}{
		1438	$self->gender ? $2 : $1
		1439	}ge
		1440	# replace H<hint text>
		1441	|| s{H<([^\>]*)>}
		1442	{
		1443	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1444	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1445	"")
		1446	[$self->{hintmode}]
		1447	}ge;
		1448
		1449	# create single paragraphs (very hackish)
		1450	s/(?<=\S)\n(?=\w)/ /g;
		1451
		1452	# compress some whitespace
		1453	s/\s+\n/\n/g; # ws line-ends
		1454	s/\n\n+/\n/g; # double lines
		1455	s/^\n+//; # beginning lines
		1456	s/\n+$//; # ending lines
		1457
		1458	$_
		1459	}
		1460
		1461	sub hintmode {
		1462	$_[0]{hintmode} = $_[1] if @_ > 1;
		1463	$_[0]{hintmode}
		1464	}
		1465
1134	=item $player->ext_reply ($msgid, %msg)	1466	=item $player->ext_reply ($msgid, %msg)
1135		1467
1136	Sends an ext reply to the player.	1468	Sends an ext reply to the player.
1137		1469
1138	=cut	1470	=cut
1139		1471
1140	sub ext_reply($$%) {	1472	sub ext_reply($$%) {
1141	my ($self, $id, %msg) = @_;	1473	my ($self, $id, %msg) = @_;
1142		1474
1143	$msg{msgid} = $id;	1475	$msg{msgid} = $id;
1144		1476	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1477	}
1147		1478
1148	=item $player->ext_event ($type, %msg)	1479	=item $player->ext_event ($type, %msg)
1149		1480
1150	Sends an ext event to the client.	1481	Sends an ext event to the client.
…		…
1165		1496
1166	package cf::region;	1497	package cf::region;
1167		1498
1168	=item cf::region::find_by_path $path	1499	=item cf::region::find_by_path $path
1169		1500
1170	Tries to decuce the probable region for a map knowing only its path.	1501	Tries to decuce the likely region for a map knowing only its path.
1171		1502
1172	=cut	1503	=cut
1173		1504
1174	sub find_by_path($) {	1505	sub find_by_path($) {
1175	my ($path) = @_;	1506	my ($path) = @_;
1176		1507
1177	my ($match, $specificity);	1508	my ($match, $specificity);
1178		1509
1179	for my $region (list) {	1510	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1511	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1512	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1513	if $region->specificity > $specificity;
1183	}	1514	}
1184	}	1515	}
1185		1516
…		…
1249	my ($self, $merge) = @_;	1580	my ($self, $merge) = @_;
1250		1581
1251	# we have to keep some variables in memory intact	1582	# we have to keep some variables in memory intact
1252	local $self->{path};	1583	local $self->{path};
1253	local $self->{load_path};	1584	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1585
1257	$self->SUPER::thawer_merge ($merge);	1586	$self->SUPER::thawer_merge ($merge);
1258	}	1587	}
1259		1588
1260	sub normalise {	1589	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1636	$self->init; # pass $1 etc.
1308	return $self;	1637	return $self;
1309	}	1638	}
1310	}	1639	}
1311		1640
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1641	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1642	()
1314	}	1643	}
1315		1644
1316	sub init {	1645	sub init {
1317	my ($self) = @_;	1646	my ($self) = @_;
…		…
1332		1661
1333	# the original (read-only) location	1662	# the original (read-only) location
1334	sub load_path {	1663	sub load_path {
1335	my ($self) = @_;	1664	my ($self) = @_;
1336		1665
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1666	"$MAPDIR/$self->{path}.map"
1338	}	1667	}
1339		1668
1340	# the temporary/swap location	1669	# the temporary/swap location
1341	sub save_path {	1670	sub save_path {
1342	my ($self) = @_;	1671	my ($self) = @_;
1343		1672
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1673	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1674	"$TMPDIR/$path.map"
1346	}	1675	}
1347		1676
1348	# the unique path, undef == no special unique path	1677	# the unique path, undef == no special unique path
1349	sub uniq_path {	1678	sub uniq_path {
1350	my ($self) = @_;	1679	my ($self) = @_;
1351		1680
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1681	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1682	"$UNIQUEDIR/$path"
1354	}	1683	}
1355		1684
1356	# and all this just because we cannot iterate over	1685	# and all this just because we cannot iterate over
1357	# all maps in C++...	1686	# all maps in C++...
1358	sub change_all_map_light {	1687	sub change_all_map_light {
1359	my ($change) = @_;	1688	my ($change) = @_;
1360		1689
1361	$_->change_map_light ($change)	1690	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1691	for grep $_->outdoor, values %cf::MAP;
		1692	}
		1693
		1694	sub decay_objects {
		1695	my ($self) = @_;
		1696
		1697	return if $self->{deny_reset};
		1698
		1699	$self->do_decay_objects;
1363	}	1700	}
1364		1701
1365	sub unlink_save {	1702	sub unlink_save {
1366	my ($self) = @_;	1703	my ($self) = @_;
1367		1704
…		…
1425	$self->load_header_orig	1762	$self->load_header_orig
1426	or return;	1763	or return;
1427	$self->prepare_orig;	1764	$self->prepare_orig;
1428	}	1765	}
1429		1766
		1767	$self->{deny_reset} = 1
		1768	if $self->no_reset;
		1769
1430	$self->default_region (cf::region::find_by_path $self->{path})	1770	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1771	unless $self->default_region;
1432		1772
1433	1	1773	1
1434	}	1774	}
…		…
1449	$map->{last_save} = $cf::RUNTIME;	1789	$map->{last_save} = $cf::RUNTIME;
1450		1790
1451	$map->load_header	1791	$map->load_header
1452	or return;	1792	or return;
1453		1793
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1794	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1795	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1796	#$cf::WAIT_FOR_TICK->wait;
1457	$map->reset;	1797	$map->reset;
1458	undef $guard;	1798	undef $guard;
1459	return find $path;	1799	return find $path;
…		…
1470	my ($self) = @_;	1810	my ($self) = @_;
1471		1811
1472	local $self->{deny_reset} = 1; # loading can take a long time	1812	local $self->{deny_reset} = 1; # loading can take a long time
1473		1813
1474	my $path = $self->{path};	1814	my $path = $self->{path};
		1815
		1816	{
1475	my $guard = cf::lock_acquire "map_load:$path";	1817	my $guard = cf::lock_acquire "map_load:$path";
1476		1818
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1819	return if $self->in_memory != cf::MAP_SWAPPED;
1478		1820
1479	$self->in_memory (cf::MAP_LOADING);	1821	$self->in_memory (cf::MAP_LOADING);
1480		1822
1481	$self->alloc;	1823	$self->alloc;
1482		1824
1483	$self->pre_load;	1825	$self->pre_load;
1484	Coro::cede;
1485
1486	$self->_load_objects ($self->{load_path}, 1)
1487	or return;
1488
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};
1491
1492	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {
1495	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);
1497	}
1498	}
1499
1500	Coro::cede;
1501	# now do the right thing for maps
1502	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;	1826	Coro::cede;
1510	$self->set_darkness_map;	1827
		1828	$self->_load_objects ($self->{load_path}, 1)
		1829	or return;
		1830
		1831	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1832	if delete $self->{load_original};
		1833
		1834	if (my $uniq = $self->uniq_path) {
		1835	utf8::encode $uniq;
		1836	if (aio_open $uniq, O_RDONLY, 0) {
		1837	$self->clear_unique_items;
		1838	$self->_load_objects ($uniq, 0);
		1839	}
		1840	}
		1841
		1842	Coro::cede;
		1843	# now do the right thing for maps
		1844	$self->link_multipart_objects;
1511	$self->difficulty ($self->estimate_difficulty)	1845	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	1846	unless $self->difficulty;
1513	Coro::cede;	1847	Coro::cede;
		1848
		1849	unless ($self->{deny_activate}) {
		1850	$self->decay_objects;
		1851	$self->fix_auto_apply;
		1852	$self->update_buttons;
		1853	Coro::cede;
		1854	$self->set_darkness_map;
		1855	Coro::cede;
1514	$self->activate;	1856	$self->activate;
1515	Coro::cede;	1857	}
		1858
		1859	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	1860	}
1517		1861
1518	$self->post_load;	1862	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	1863	}
1523		1864
1524	sub customise_for {	1865	sub customise_for {
1525	my ($self, $ob) = @_;	1866	my ($self, $ob) = @_;
1526		1867
1527	return find "~" . $ob->name . "/" . $self->{path}	1868	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	1869	if $self->per_player;
		1870
		1871	# return find "?party/" . $ob->name . "/" . $self->{path}
		1872	# if $self->per_party;
1529		1873
1530	$self	1874	$self
1531	}	1875	}
1532		1876
1533	# find and load all maps in the 3x3 area around a map	1877	# find and load all maps in the 3x3 area around a map
…		…
1580		1924
1581	undef $MAP_PREFETCH{$path};	1925	undef $MAP_PREFETCH{$path};
1582	$MAP_PREFETCHER ||= cf::async {	1926	$MAP_PREFETCHER ||= cf::async {
1583	while (%MAP_PREFETCH) {	1927	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	1928	for my $path (keys %MAP_PREFETCH) {
1585	my $map = find $path	1929	if (my $map = find $path) {
1586	or next;
1587	$map->load;	1930	$map->load;
		1931	}
1588		1932
1589	delete $MAP_PREFETCH{$path};	1933	delete $MAP_PREFETCH{$path};
1590	}	1934	}
1591	}	1935	}
1592	undef $MAP_PREFETCHER;	1936	undef $MAP_PREFETCHER;
…		…
1644		1988
1645	sub reset_at {	1989	sub reset_at {
1646	my ($self) = @_;	1990	my ($self) = @_;
1647		1991
1648	# TODO: safety, remove and allow resettable per-player maps	1992	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	1993	return 1e99 if $self->{deny_reset};
1651		1994
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1995	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1996	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		1997
…		…
1665	my ($self) = @_;	2008	my ($self) = @_;
1666		2009
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2010	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2011
1669	return if $self->players;	2012	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2013
1672	warn "resetting map ", $self->path;#d#	2014	warn "resetting map ", $self->path;
1673		2015
1674	$self->in_memory (cf::MAP_SWAPPED);	2016	$self->in_memory (cf::MAP_SWAPPED);
1675		2017
1676	# need to save uniques path	2018	# need to save uniques path
1677	unless ($self->{deny_save}) {	2019	unless ($self->{deny_save}) {
…		…
1709	$cf::MAP{$self->path} = $self;	2051	$cf::MAP{$self->path} = $self;
1710		2052
1711	$self->reset; # polite request, might not happen	2053	$self->reset; # polite request, might not happen
1712	}	2054	}
1713		2055
		2056	=item $maps = cf::map::tmp_maps
		2057
		2058	Returns an arrayref with all map paths of currently instantiated and saved
		2059	maps. May block.
		2060
		2061	=cut
		2062
		2063	sub tmp_maps() {
		2064	[
		2065	map {
		2066	utf8::decode $_;
		2067	/\.map$/
		2068	? normalise $_
		2069	: ()
		2070	} @{ aio_readdir $TMPDIR or [] }
		2071	]
		2072	}
		2073
		2074	=item $maps = cf::map::random_maps
		2075
		2076	Returns an arrayref with all map paths of currently instantiated and saved
		2077	random maps. May block.
		2078
		2079	=cut
		2080
		2081	sub random_maps() {
		2082	[
		2083	map {
		2084	utf8::decode $_;
		2085	/\.map$/
		2086	? normalise "?random/$_"
		2087	: ()
		2088	} @{ aio_readdir $RANDOMDIR or [] }
		2089	]
		2090	}
		2091
1714	=item cf::map::unique_maps	2092	=item cf::map::unique_maps
1715		2093
1716	Returns an arrayref of paths of all shared maps that have	2094	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2095	instantiated unique items. May block.
1718		2096
1719	=cut	2097	=cut
1720		2098
1721	sub unique_maps() {	2099	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2100	[
1723	or return;	2101	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2102	utf8::decode $_;
1729	next if /\.pst$/;	2103	/\.map$/
1730	next unless /^$PATH_SEP/o;	2104	? normalise $_
1731		2105	: ()
1732	push @paths, cf::map::normalise $_;	2106	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2107	]
1734
1735	\@paths
1736	}	2108	}
1737		2109
1738	package cf;	2110	package cf;
1739		2111
1740	=back	2112	=back
…		…
1786		2158
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2159	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2160
1789	if ($self->{record_replies}) {	2161	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2162	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2163
1791	} else {	2164	} else {
		2165	my $pl = $self->contr;
		2166
		2167	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2168	my $diag = $pl->{npc_dialog};
		2169	$diag->{pl}->ext_reply (
		2170	$diag->{id},
		2171	msgtype => "reply",
		2172	msg => $diag->{pl}->expand_cfpod ($msg),
		2173	add_topics => []
		2174	);
		2175
		2176	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2177	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2178	$self->message ($msg, $flags);
		2179	}
1794	}	2180	}
1795	}	2181	}
1796		2182
1797	=item $player_object->may ("access")	2183	=item $player_object->may ("access")
1798		2184
…		…
1846	$self->deactivate_recursive;	2232	$self->deactivate_recursive;
1847		2233
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2234	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2235
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2236	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2237	if $self->map && $self->map->{path} ne "{link}";
1852		2238
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2239	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2240	}
1855		2241
1856	sub cf::object::player::leave_link {	2242	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2243	my ($self, $map, $x, $y) = @_;
		2244
		2245	return unless $self->contr->active;
1858		2246
1859	my $link_pos = delete $self->{_link_pos};	2247	my $link_pos = delete $self->{_link_pos};
1860		2248
1861	unless ($map) {	2249	unless ($map) {
1862	# restore original map position	2250	# restore original map position
…		…
1885		2273
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2274	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2275	$self->enter_map ($map, $x, $y);
1888	}	2276	}
1889		2277
1890	cf::player->attach (	2278	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2279
1894	# abort map switching before logout	2280	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2281	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2282	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2283	the new (success) or old (failed) map position. In either case, $done will
1898	};	2284	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2285
1904	# try to abort aborted map switching on player login :)
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2286	=cut
		2287
		2288	our $GOTOGEN;
1925		2289
1926	sub cf::object::player::goto {	2290	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2291	my ($self, $path, $x, $y, $check, $done) = @_;
		2292
		2293	# do generation counting so two concurrent goto's will be executed in-order
		2294	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2295
1929	$self->enter_link;	2296	$self->enter_link;
1930		2297
1931	(async {	2298	(async {
1932	my $map = eval {	2299	my $map = eval {
1933	my $map = cf::map::find $path;	2300	my $map = cf::map::find $path;
		2301
		2302	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2303	$map = $map->customise_for ($self);
		2304	$map = $check->($map) if $check && $map;
		2305	} else {
		2306	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2307	}
		2308
1935	$map	2309	$map
		2310	};
		2311
		2312	if ($@) {
		2313	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2314	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2315	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2316
		2317	if ($gen == $self->{_goto_generation}) {
		2318	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2319	$self->leave_link ($map, $x, $y);
		2320	}
		2321
		2322	$done->() if $done;
1940	})->prio (1);	2323	})->prio (1);
1941	}	2324	}
1942		2325
1943	=item $player_object->enter_exit ($exit_object)	2326	=item $player_object->enter_exit ($exit_object)
1944		2327
…		…
1983		2366
1984	$rmp->{random_seed} ||= $exit->random_seed;	2367	$rmp->{random_seed} ||= $exit->random_seed;
1985		2368
1986	my $data = cf::to_json $rmp;	2369	my $data = cf::to_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2370	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2371	my $meta = "$RANDOMDIR/$md5.meta";
1989		2372
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2373	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2374	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2375	undef $fh;
1993	aio_rename "$meta~", $meta;	2376	aio_rename "$meta~", $meta;
…		…
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2395	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;	2396	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2397	my $sp = $exit->stats->sp;
2015		2398
2016	$self->enter_link;	2399	$self->enter_link;
		2400
		2401	# if exit is damned, update players death & WoR home-position
		2402	$self->contr->savebed ($slaying, $hp, $sp)
		2403	if $exit->flag (FLAG_DAMNED);
2017		2404
2018	(async {	2405	(async {
2019	$self->deactivate_recursive; # just to be sure	2406	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2407	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2408	$self->goto ($slaying, $hp, $sp);
…		…
2049		2436
2050	utf8::encode $text;	2437	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2438	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2439	}
2053		2440
		2441	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2442
		2443	Send a drawinfo or msg packet to the client, formatting the msg for the
		2444	client if neccessary. C<$type> should be a string identifying the type of
		2445	the message, with C<log> being the default. If C<$color> is negative, suppress
		2446	the message unless the client supports the msg packet.
		2447
		2448	=cut
		2449
		2450	sub cf::client::send_msg {
		2451	my ($self, $channel, $msg, $color, @extra) = @_;
		2452
		2453	$msg = $self->pl->expand_cfpod ($msg);
		2454
		2455	return unless @extra || length $msg;
		2456
		2457	$color &= ~cf::NDI_UNIQUE; # just in case...
		2458
		2459	if (ref $channel) {
		2460	# send meta info to client, if not yet sent
		2461	unless (exists $self->{channel}{$channel->{id}}) {
		2462	$self->{channel}{$channel->{id}} = $channel;
		2463	$self->ext_event (channel_info => %$channel);
		2464	}
		2465
		2466	$channel = $channel->{id};
		2467	}
		2468
		2469	if ($self->can_msg) {
		2470	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2471	} else {
		2472	# replace some tags by gcfclient-compatible ones
		2473	for ($msg) {
		2474	1 while
		2475	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2476	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2477	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2478	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2479	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2480	}
		2481
		2482	if ($color >= 0) {
		2483	if (0 && $msg =~ /\[/) {
		2484	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2485	} else {
		2486	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2487	$self->send_packet ("drawinfo $color $msg")
		2488	}
		2489	}
		2490	}
		2491	}
		2492
2054	=item $client->ext_event ($type, %msg)	2493	=item $client->ext_event ($type, %msg)
2055		2494
2056	Sends an exti event to the client.	2495	Sends an ext event to the client.
2057		2496
2058	=cut	2497	=cut
2059		2498
2060	sub cf::client::ext_event($$%) {	2499	sub cf::client::ext_event($$%) {
2061	my ($self, $type, %msg) = @_;	2500	my ($self, $type, %msg) = @_;
2062		2501
		2502	return unless $self->extcmd;
		2503
2063	$msg{msgtype} = "event_$type";	2504	$msg{msgtype} = "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2505	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2065	}	2506	}
2066		2507
2067	=item $success = $client->query ($flags, "text", \&cb)	2508	=item $success = $client->query ($flags, "text", \&cb)
2068		2509
2069	Queues a query to the client, calling the given callback with	2510	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2511	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2512	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2513
2073	Queries can fail, so check the return code. Or don't, as queries will become	2514	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2515	become reliable at some point in the future.
2075		2516
2076	=cut	2517	=cut
2077		2518
2078	sub cf::client::query {	2519	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2520	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2528	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2529	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2530
2090	$self->send_packet ($self->{query_queue}[0][0])	2531	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2532	if @{ $self->{query_queue} } == 1;
		2533
		2534	1
2092	}	2535	}
2093		2536
2094	cf::client->attach (	2537	cf::client->attach (
		2538	on_connect => sub {
		2539	my ($ns) = @_;
		2540
		2541	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2542	},
2095	on_reply => sub {	2543	on_reply => sub {
2096	my ($ns, $msg) = @_;	2544	my ($ns, $msg) = @_;
2097		2545
2098	# this weird shuffling is so that direct followup queries	2546	# this weird shuffling is so that direct followup queries
2099	# get handled first	2547	# get handled first
…		…
2111	} else {	2559	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2560	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2561	}
2114	}	2562	}
2115	},	2563	},
		2564	on_exticmd => sub {
		2565	my ($ns, $buf) = @_;
		2566
		2567	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2568
		2569	if (ref $msg) {
		2570	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2571	if (my %reply = $cb->($ns, $msg)) {
		2572	$reply{msgid} = $msg->{msgid};
		2573	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2574	}
		2575	}
		2576	} else {
		2577	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2578	}
		2579
		2580	cf::override;
		2581	},
2116	);	2582	);
2117		2583
2118	=item $client->async (\&cb)	2584	=item $client->async (\&cb)
2119		2585
2120	Create a new coroutine, running the specified callback. The coroutine will	2586	Create a new coroutine, running the specified callback. The coroutine will
…		…
2169		2635
2170	=pod	2636	=pod
2171		2637
2172	The following functions and methods are available within a safe environment:	2638	The following functions and methods are available within a safe environment:
2173		2639
2174	cf::object contr pay_amount pay_player map	2640	cf::object
		2641	contr pay_amount pay_player map x y force_find force_add
		2642	insert remove
		2643
2175	cf::object::player player	2644	cf::object::player
2176	cf::player peaceful	2645	player
2177	cf::map trigger	2646
		2647	cf::player
		2648	peaceful
		2649
		2650	cf::map
		2651	trigger
2178		2652
2179	=cut	2653	=cut
2180		2654
2181	for (	2655	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	2656	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2657	insert remove)],
2183	["cf::object::player" => qw(player)],	2658	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	2659	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	2660	["cf::map" => qw(trigger)],
2186	) {	2661	) {
2187	no strict 'refs';	2662	no strict 'refs';
…		…
2258	=back	2733	=back
2259		2734
2260	=cut	2735	=cut
2261		2736
2262	#############################################################################	2737	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	2738	# the server's init and main functions
2336		2739
2337	sub load_facedata {	2740	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	2741	my ($path) = @_;
2339		2742
2340	warn "loading facedata from $path\n";	2743	warn "loading facedata from $path\n";
2341		2744
2342	my $facedata;	2745	my $facedata;
2343	0 < aio_load $path, $facedata	2746	0 < aio_load $path, $facedata
…		…
2351	{	2754	{
2352	my $faces = $facedata->{faceinfo};	2755	my $faces = $facedata->{faceinfo};
2353		2756
2354	while (my ($face, $info) = each %$faces) {	2757	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2758	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2759	cf::face::set_visibility $idx, $info->{visibility};
		2760	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2761	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2762	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2359	Coro::cede;	2763
		2764	cf::cede_to_tick;
2360	}	2765	}
2361		2766
2362	while (my ($face, $info) = each %$faces) {	2767	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	2768	next unless $info->{smooth};
2364	my $idx = cf::face::find $face	2769	my $idx = cf::face::find $face
2365	or next;	2770	or next;
2366	if (my $smooth = cf::face::find $info->{smooth}) {	2771	if (my $smooth = cf::face::find $info->{smooth}) {
		2772	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2773	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	2774	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	2775	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	2776	}
2371	Coro::cede;	2777
		2778	cf::cede_to_tick;
2372	}	2779	}
2373	}	2780	}
2374		2781
2375	{	2782	{
2376	my $anims = $facedata->{animinfo};	2783	my $anims = $facedata->{animinfo};
2377		2784
2378	while (my ($anim, $info) = each %$anims) {	2785	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	2786	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	2787	cf::cede_to_tick;
2381	}	2788	}
2382		2789
2383	cf::anim::invalidate_all; # d'oh	2790	cf::anim::invalidate_all; # d'oh
2384	}	2791	}
2385		2792
		2793	{
		2794	# TODO: for gcfclient pleasure, we should give resources
		2795	# that gcfclient doesn't grok a >10000 face index.
		2796	my $res = $facedata->{resource};
		2797	my $enc = JSON::XS->new->utf8->canonical;
		2798
		2799	while (my ($name, $info) = each %$res) {
		2800	my $meta = $enc->encode ({
		2801	name => $name,
		2802	type => $info->{type},
		2803	copyright => $info->{copyright}, #TODO#
		2804	});
		2805
		2806	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2807
		2808	if ($name =~ /\.jpg$/) {
		2809	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2810	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2811	} else {
		2812	my $data = pack "(w/a*)*", $meta, $info->{data};
		2813	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2814
		2815	cf::face::set_type $idx, 1;
		2816	cf::face::set_data $idx, 0, $data, $chk;
		2817	}
		2818
		2819	cf::cede_to_tick;
		2820	}
		2821	}
		2822
2386	1	2823	1
2387	}	2824	}
2388		2825
		2826	sub reload_regions {
		2827	load_resource_file "$MAPDIR/regions"
		2828	or die "unable to load regions file\n";
		2829
		2830	for (cf::region::list) {
		2831	$_->{match} = qr/$_->{match}/
		2832	if exists $_->{match};
		2833	}
		2834	}
		2835
		2836	sub reload_facedata {
		2837	load_facedata "$DATADIR/facedata"
		2838	or die "unable to load facedata\n";
		2839	}
		2840
		2841	sub reload_archetypes {
		2842	load_resource_file "$DATADIR/archetypes"
		2843	or die "unable to load archetypes\n";
		2844	#d# NEED to laod twice to resolve forward references
		2845	# this really needs to be done in an extra post-pass
		2846	# (which needs to be synchronous, so solve it differently)
		2847	load_resource_file "$DATADIR/archetypes"
		2848	or die "unable to load archetypes\n";
		2849	}
		2850
		2851	sub reload_treasures {
		2852	load_resource_file "$DATADIR/treasures"
		2853	or die "unable to load treasurelists\n";
		2854	}
		2855
2389	sub reload_resources {	2856	sub reload_resources {
2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2857	warn "reloading resource files...\n";
2391	or die "unable to load regions file\n";#d#	2858
		2859	reload_regions;
2392	load_facedata	2860	reload_facedata;
2393	or die "unable to load facedata\n";#d#	2861	#reload_archetypes;#d#
		2862	reload_archetypes;
		2863	reload_treasures;
		2864
		2865	warn "finished reloading resource files\n";
2394	}	2866	}
2395		2867
2396	sub init {	2868	sub init {
2397	reload_resources;	2869	reload_resources;
2398	}	2870	}
2399		2871
2400	sub cfg_load {	2872	sub cfg_load {
2401	open my $fh, "<:utf8", cf::confdir . "/config"	2873	open my $fh, "<:utf8", "$CONFDIR/config"
2402	or return;	2874	or return;
2403		2875
2404	local $/;	2876	local $/;
2405	*CFG = YAML::Syck::Load <$fh>;	2877	*CFG = YAML::Syck::Load <$fh>;
2406		2878
…		…
2451	},	2923	},
2452	);	2924	);
2453	}	2925	}
2454	}	2926	}
2455		2927
		2928	sub write_runtime {
		2929	my $runtime = "$LOCALDIR/runtime";
		2930
		2931	# first touch the runtime file to show we are still running:
		2932	# the fsync below can take a very very long time.
		2933
		2934	IO::AIO::aio_utime $runtime, undef, undef;
		2935
		2936	my $guard = cf::lock_acquire "write_runtime";
		2937
		2938	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2939	or return;
		2940
		2941	my $value = $cf::RUNTIME + 90 + 10;
		2942	# 10 is the runtime save interval, for a monotonic clock
		2943	# 60 allows for the watchdog to kill the server.
		2944
		2945	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2946	and return;
		2947
		2948	# always fsync - this file is important
		2949	aio_fsync $fh
		2950	and return;
		2951
		2952	# touch it again to show we are up-to-date
		2953	aio_utime $fh, undef, undef;
		2954
		2955	close $fh
		2956	or return;
		2957
		2958	aio_rename "$runtime~", $runtime
		2959	and return;
		2960
		2961	warn "runtime file written.\n";
		2962
		2963	1
		2964	}
		2965
2456	sub emergency_save() {	2966	sub emergency_save() {
2457	my $freeze_guard = cf::freeze_mainloop;	2967	my $freeze_guard = cf::freeze_mainloop;
2458		2968
2459	warn "enter emergency perl save\n";	2969	warn "enter emergency perl save\n";
2460		2970
…		…
2491		3001
2492	warn Carp::longmess "post_cleanup backtrace"	3002	warn Carp::longmess "post_cleanup backtrace"
2493	if $make_core;	3003	if $make_core;
2494	}	3004	}
2495		3005
2496	sub reload() {	3006	sub do_reload_perl() {
2497	# can/must only be called in main	3007	# can/must only be called in main
2498	if ($Coro::current != $Coro::main) {	3008	if ($Coro::current != $Coro::main) {
2499	warn "can only reload from main coroutine";	3009	warn "can only reload from main coroutine";
2500	return;	3010	return;
2501	}	3011	}
…		…
2535	%EXT_CORO = ();	3045	%EXT_CORO = ();
2536		3046
2537	warn "removing commands";	3047	warn "removing commands";
2538	%COMMAND = ();	3048	%COMMAND = ();
2539		3049
2540	warn "removing ext commands";	3050	warn "removing ext/exti commands";
2541	%EXTCMD = ();	3051	%EXTCMD = ();
		3052	%EXTICMD = ();
2542		3053
2543	warn "unloading/nuking all extensions";	3054	warn "unloading/nuking all extensions";
2544	for my $pkg (@EXTS) {	3055	for my $pkg (@EXTS) {
2545	warn "... unloading $pkg";	3056	warn "... unloading $pkg";
2546		3057
…		…
2576	Symbol::delete_package "safe::$_"	3087	Symbol::delete_package "safe::$_"
2577	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3088	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2578		3089
2579	warn "unloading cf.pm \"a bit\"";	3090	warn "unloading cf.pm \"a bit\"";
2580	delete $INC{"cf.pm"};	3091	delete $INC{"cf.pm"};
		3092	delete $INC{"cf/pod.pm"};
2581		3093
2582	# don't, removes xs symbols, too,	3094	# don't, removes xs symbols, too,
2583	# and global variables created in xs	3095	# and global variables created in xs
2584	#Symbol::delete_package __PACKAGE__;	3096	#Symbol::delete_package __PACKAGE__;
2585		3097
…		…
2600	warn "reattaching attachments to maps";	3112	warn "reattaching attachments to maps";
2601	reattach $_ for values %MAP;	3113	reattach $_ for values %MAP;
2602	warn "reattaching attachments to players";	3114	warn "reattaching attachments to players";
2603	reattach $_ for values %PLAYER;	3115	reattach $_ for values %PLAYER;
2604		3116
2605	warn "loading reloadable resources";
2606	reload_resources;
2607
2608	warn "leaving sync_job";	3117	warn "leaving sync_job";
2609		3118
2610	1	3119	1
2611	} or do {	3120	} or do {
2612	warn $@;	3121	warn $@;
…		…
2617	warn "reloaded";	3126	warn "reloaded";
2618	};	3127	};
2619		3128
2620	our $RELOAD_WATCHER; # used only during reload	3129	our $RELOAD_WATCHER; # used only during reload
2621		3130
		3131	sub reload_perl() {
		3132	# doing reload synchronously and two reloads happen back-to-back,
		3133	# coro crashes during coro_state_free->destroy here.
		3134
		3135	$RELOAD_WATCHER ||= Event->timer (
		3136	reentrant => 0,
		3137	after => 0,
		3138	data => WF_AUTOCANCEL,
		3139	cb => sub {
		3140	do_reload_perl;
		3141	undef $RELOAD_WATCHER;
		3142	},
		3143	);
		3144	}
		3145
2622	register_command "reload" => sub {	3146	register_command "reload" => sub {
2623	my ($who, $arg) = @_;	3147	my ($who, $arg) = @_;
2624		3148
2625	if ($who->flag (FLAG_WIZ)) {	3149	if ($who->flag (FLAG_WIZ)) {
2626	$who->message ("reloading server.");	3150	$who->message ("reloading server.");
2627		3151	async { reload_perl };
2628	# doing reload synchronously and two reloads happen back-to-back,
2629	# coro crashes during coro_state_free->destroy here.
2630
2631	$RELOAD_WATCHER ||= Event->timer (
2632	reentrant => 0,
2633	after => 0,
2634	data => WF_AUTOCANCEL,
2635	cb => sub {
2636	reload;
2637	undef $RELOAD_WATCHER;
2638	},
2639	);
2640	}	3152	}
2641	};	3153	};
2642		3154
2643	unshift @INC, $LIBDIR;	3155	unshift @INC, $LIBDIR;
2644		3156
…		…
2647	our @WAIT_FOR_TICK;	3159	our @WAIT_FOR_TICK;
2648	our @WAIT_FOR_TICK_BEGIN;	3160	our @WAIT_FOR_TICK_BEGIN;
2649		3161
2650	sub wait_for_tick {	3162	sub wait_for_tick {
2651	return unless $TICK_WATCHER->is_active;	3163	return unless $TICK_WATCHER->is_active;
		3164	return if $Coro::current == $Coro::main;
		3165
2652	my $signal = new Coro::Signal;	3166	my $signal = new Coro::Signal;
2653	push @WAIT_FOR_TICK, $signal;	3167	push @WAIT_FOR_TICK, $signal;
2654	$signal->wait;	3168	$signal->wait;
2655	}	3169	}
2656		3170
2657	sub wait_for_tick_begin {	3171	sub wait_for_tick_begin {
2658	return unless $TICK_WATCHER->is_active;	3172	return unless $TICK_WATCHER->is_active;
		3173	return if $Coro::current == $Coro::main;
		3174
2659	my $signal = new Coro::Signal;	3175	my $signal = new Coro::Signal;
2660	push @WAIT_FOR_TICK_BEGIN, $signal;	3176	push @WAIT_FOR_TICK_BEGIN, $signal;
2661	$signal->wait;	3177	$signal->wait;
2662	}	3178	}
2663		3179
		3180	my $min = 1e6;#d#
		3181	my $avg = 10;
2664	$TICK_WATCHER = Event->timer (	3182	$TICK_WATCHER = Event->timer (
2665	reentrant => 0,	3183	reentrant => 0,
2666	parked => 1,	3184	parked => 1,
2667	prio => 0,	3185	prio => 0,
2668	at => $NEXT_TICK || $TICK,	3186	at => $NEXT_TICK || $TICK,
…		…
2672	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3190	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2673	unless ++$bug_warning > 10;	3191	unless ++$bug_warning > 10;
2674	return;	3192	return;
2675	}	3193	}
2676		3194
2677	$NOW = Event::time;	3195	$NOW = $tick_start = Event::time;
2678		3196
2679	cf::server_tick; # one server iteration	3197	cf::server_tick; # one server iteration
		3198
		3199	0 && sync_job {#d#
		3200	for(1..10) {
		3201	my $t = Event::time;
		3202	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3203	or die;
		3204
		3205	$map->width (50);
		3206	$map->height (50);
		3207	$map->alloc;
		3208	$map->_load_objects ("/tmp/x.map", 1);
		3209	my $t = Event::time - $t;
		3210
		3211	#next unless $t < 0.0013;#d#
		3212	if ($t < $min) {
		3213	$min = $t;
		3214	}
		3215	$avg = $avg * 0.99 + $t * 0.01;
		3216	}
		3217	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3218	exit 0;
		3219	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3220	};
		3221
2680	$RUNTIME += $TICK;	3222	$RUNTIME += $TICK;
2681	$NEXT_TICK += $TICK;	3223	$NEXT_TICK += $TICK;
2682		3224
2683	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3225	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2684	$NEXT_RUNTIME_WRITE = $NOW + 10;	3226	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2686	write_runtime	3228	write_runtime
2687	or warn "ERROR: unable to write runtime file: $!";	3229	or warn "ERROR: unable to write runtime file: $!";
2688	};	3230	};
2689	}	3231	}
2690		3232
		3233	# my $AFTER = Event::time;
		3234	# warn $AFTER - $NOW;#d#
		3235
2691	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2692	$sig->send;	3237	$sig->send;
2693	}	3238	}
2694	while (my $sig = shift @WAIT_FOR_TICK) {	3239	while (my $sig = shift @WAIT_FOR_TICK) {
2695	$sig->send;	3240	$sig->send;
2696	}	3241	}
2697		3242
2698	# my $AFTER = Event::time;	3243	$NOW = Event::time;
2699	# warn $AFTER - $NOW;#d#
2700		3244
2701	# if we are delayed by four ticks or more, skip them all	3245	# if we are delayed by four ticks or more, skip them all
2702	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3246	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2703		3247
2704	$TICK_WATCHER->at ($NEXT_TICK);	3248	$TICK_WATCHER->at ($NEXT_TICK);
2705	$TICK_WATCHER->start;	3249	$TICK_WATCHER->start;
		3250
		3251	$LOAD = ($NOW - $tick_start) / $TICK;
		3252	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3253
		3254	_post_tick;
		3255
		3256
2706	},	3257	},
2707	);	3258	);
2708		3259
2709	{	3260	{
2710	BDB::max_poll_time $TICK * 0.1;	3261	BDB::max_poll_time $TICK * 0.1;
…		…
2738		3289
2739	cf::sync_job {	3290	cf::sync_job {
2740	eval {	3291	eval {
2741	BDB::db_env_open	3292	BDB::db_env_open
2742	$DB_ENV,	3293	$DB_ENV,
2743	$BDB_ENV_DIR,	3294	$BDBDIR,
2744	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2745	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2746	0666;	3297	0666;
2747		3298
2748	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2749		3300
2750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2751	$DB_ENV->set_lk_detect;	3302	$DB_ENV->set_lk_detect;
2752	};	3303	};
2753		3304
…		…
2769	prio => 6,	3320	prio => 6,
2770	cb => \&IO::AIO::poll_cb,	3321	cb => \&IO::AIO::poll_cb,
2771	);	3322	);
2772	}	3323	}
2773		3324
		3325	my $_log_backtrace;
		3326
		3327	sub _log_backtrace {
		3328	my ($msg, @addr) = @_;
		3329
		3330	$msg =~ s/\n//;
		3331
		3332	# limit the # of concurrent backtraces
		3333	if ($_log_backtrace < 2) {
		3334	++$_log_backtrace;
		3335	async {
		3336	my @bt = fork_call {
		3337	@addr = map { sprintf "%x", $_ } @addr;
		3338	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3339	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3340	or die "addr2line: $!";
		3341
		3342	my @funcs;
		3343	my @res = <$fh>;
		3344	chomp for @res;
		3345	while (@res) {
		3346	my ($func, $line) = splice @res, 0, 2, ();
		3347	push @funcs, "[$func] $line";
		3348	}
		3349
		3350	@funcs
		3351	};
		3352
		3353	LOG llevInfo, "[ABT] $msg\n";
		3354	LOG llevInfo, "[ABT] $_\n" for @bt;
		3355	--$_log_backtrace;
		3356	};
		3357	} else {
		3358	LOG llevInfo, "[ABT] $msg\n";
		3359	LOG llevInfo, "[ABT] [suppressed]\n";
		3360	}
		3361	}
		3362
		3363	# load additional modules
		3364	use cf::pod;
		3365
2774	END { cf::emergency_save }	3366	END { cf::emergency_save }
2775		3367
2776	1	3368	1
2777		3369

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines