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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.234 by root, Thu Apr 5 13:44:31 2007 UTC vs.
Revision 1.301 by root, Tue Jul 10 07:01:51 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.61 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
21		24
		25	use JSON::XS 1.4 ();
22	use BDB ();	26	use BDB ();
23	use Data::Dumper;	27	use Data::Dumper;
24	use Digest::MD5;	28	use Digest::MD5;
25	use Fcntl;	29	use Fcntl;
26	use YAML::Syck ();	30	use YAML::Syck ();
…		…
28	use Time::HiRes;	32	use Time::HiRes;
29	use Compress::LZF;	33	use Compress::LZF;
30		34
31	# configure various modules to our taste	35	# configure various modules to our taste
32	#	36	#
		37	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		40
36	$Event::Eval = 1; # no idea why this is required, but it is	41	$Event::Eval = 1; # no idea why this is required, but it is
37		42
…		…
45	our %COMMAND = ();	50	our %COMMAND = ();
46	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
47		52
48	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
52		58
53	our $RELOAD; # number of reloads so far	59	our $RELOAD; # number of reloads so far
54	our @EVENT;	60	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		61
57	our $TICK = MAX_TIME * 1e-6;	62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
		73
		74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
58	our $TICK_WATCHER;	75	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	78	our $NEXT_TICK;
62	our $NOW;	79	our $NOW;
…		…
71	our $RUNTIME;	88	our $RUNTIME;
72		89
73	our %PLAYER; # all users	90	our %PLAYER; # all users
74	our %MAP; # all maps	91	our %MAP; # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	92	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		93
82	# used to convert map paths into valid unix filenames by replacing / by ∕	94	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		96
		97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		98	our $LOADAVG; # same thing, but with alpha-smoothing
		99	our $tick_start; # for load detecting purposes
		100
85	binmode STDOUT;	101	binmode STDOUT;
86	binmode STDERR;	102	binmode STDERR;
87		103
88	# read virtual server time, if available	104	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
93	}	109	}
94		110
95	mkdir cf::localdir;	111	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		113
102	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
103		115
104	sub cf::map::normalise;	116	sub cf::map::normalise;
105		117
…		…
116	=item $cf::RUNTIME	128	=item $cf::RUNTIME
117		129
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	130	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	131	every server tick.
120		132
121	=item $cf::LIBDIR	133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		136
123	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		139	unique-items directory, player file directory, random maps directory and
		140	database environment.
125		141
126	=item $cf::NOW	142	=item $cf::NOW
127		143
128	The time of the last (current) server tick.	144	The time of the last (current) server tick.
129		145
130	=item $cf::TICK	146	=item $cf::TICK
131		147
132	The interval between server ticks, in seconds.	148	The interval between server ticks, in seconds.
		149
		150	=item $cf::LOADAVG
		151
		152	The current CPU load on the server (alpha-smoothed), as a value between 0
		153	(none) and 1 (overloaded), indicating how much time is spent on processing
		154	objects per tick. Healthy values are < 0.5.
		155
		156	=item $cf::LOAD
		157
		158	The raw value load value from the last tick.
133		159
134	=item %cf::CFG	160	=item %cf::CFG
135		161
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	163	from wherever your confdir points to.
138		164
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		166
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	168	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.
145		170
146	=back	171	=back
147		172
148	=cut	173	=cut
149		174
150	BEGIN {	175	BEGIN {
151	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	177	my $msg = join "", @_;
153	utf8::encode $msg;
154		178
155	$msg .= "\n"	179	$msg .= "\n"
156	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
157		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
158	LOG llevError, $msg;	185	LOG llevError, $msg;
159	};	186	};
160	}	187	}
161		188
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	193	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		194	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	195	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		196
169	# we bless all objects into (empty) derived classes to force a method lookup	197	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	198	# within the Safe compartment.
171	for my $pkg (qw(	199	for my $pkg (qw(
172	cf::global cf::attachable	200	cf::global cf::attachable
…		…
180	}	208	}
181		209
182	$Event::DIED = sub {	210	$Event::DIED = sub {
183	warn "error in event callback: @_";	211	warn "error in event callback: @_";
184	};	212	};
		213
		214	#############################################################################
185		215
186	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
187		217
188	=over 4	218	=over 4
189		219
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	239	$d
210	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
211	}	241	}
212		242
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
216		244
217	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
218		246
219	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
220		248
221	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
		250
		251	=cut
		252
		253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		254
		255	sub to_json ($) { $json_coder->encode ($_[0]) }
		256	sub from_json ($) { $json_coder->decode ($_[0]) }
222		257
223	=item cf::lock_wait $string	258	=item cf::lock_wait $string
224		259
225	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
226		261
…		…
232	returned.	267	returned.
233		268
234	Lock names should begin with a unique identifier (for example, cf::map::find	269	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
236		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
237	=cut	276	=cut
238		277
239	our %LOCK;	278	our %LOCK;
240		279
241	sub lock_wait($) {	280	sub lock_wait($) {
…		…
258		297
259	Coro::guard {	298	Coro::guard {
260	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
262	}	301	}
		302	}
		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
263	}	308	}
264		309
265	sub freeze_mainloop {	310	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
267		312
…		…
282		327
283	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
284		329
285	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
286		331
287	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
290		336
291	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
294	fast or be very important.	340	fast or be very important.
…		…
297		343
298	sub sync_job(&) {	344	sub sync_job(&) {
299	my ($job) = @_;	345	my ($job) = @_;
300		346
301	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
302	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
304		352
305	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
317		365
318	while ($busy) {	366	while ($busy) {
319	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
320	}	368	}
321		369
		370	$time = Event::time - $time;
		371
		372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		374
		375	$tick_start += $time; # do not account sync jobs to server load
		376
322	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
323	} else {	378	} else {
324	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
325		380
326	$job->()	381	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
346		401
347	$coro	402	$coro
348	}	403	}
349		404
350	sub write_runtime {	405	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		406
353	my $runtime = cf::localdir . "/runtime";	407	Executes the given code block with the given arguments in a seperate
		408	process, returning the results. Everything must be serialisable with
		409	Coro::Storable. May, of course, block. Note that the executed sub may
		410	never block itself or use any form of Event handling.
354		411
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	412	=cut
356	or return;
357		413
358	my $value = $cf::RUNTIME + 90 + 10;	414	sub _store_scalar {
359	# 10 is the runtime save interval, for a monotonic clock	415	open my $fh, ">", \my $buf
360	# 60 allows for the watchdog to kill the server.	416	or die "fork_call: cannot open fh-to-buf in child : $!";
361		417	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	418	close $fh;
370	or return;
371		419
372	aio_rename "$runtime~", $runtime	420	$buf
373	and return;	421	}
374		422
		423	sub fork_call(&@) {
		424	my ($cb, @args) = @_;
		425
		426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		427	# or die "socketpair: $!";
		428	pipe my $fh1, my $fh2
		429	or die "pipe: $!";
		430
		431	if (my $pid = fork) {
		432	close $fh2;
		433
		434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		435	warn "pst<$res>" unless $res =~ /^pst/;
		436	$res = Coro::Storable::thaw $res;
		437
		438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		439
		440	Carp::confess $$res unless "ARRAY" eq ref $res;
		441
		442	return wantarray ? @$res : $res->[-1];
		443	} else {
		444	reset_signals;
		445	local $SIG{__WARN__};
		446	local $SIG{__DIE__};
		447	# just in case, this hack effectively disables event
		448	# in the child. cleaner and slower would be canceling all watchers,
		449	# but this works for the time being.
		450	local $Coro::idle;
		451	$Coro::current->prio (Coro::PRIO_MAX);
		452
		453	eval {
		454	close $fh1;
		455
		456	my @res = eval { $cb->(@args) };
		457
		458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		459	close $fh2;
		460	};
		461
		462	warn $@ if $@;
		463	_exit 0;
375	1	464	}
		465	}
		466
		467	=item $value = cf::db_get $family => $key
		468
		469	Returns a single value from the environment database.
		470
		471	=item cf::db_put $family => $key => $value
		472
		473	Stores the given C<$value> in the family. It can currently store binary
		474	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		475
		476	=cut
		477
		478	our $DB;
		479
		480	sub db_init {
		481	unless ($DB) {
		482	$DB = BDB::db_create $DB_ENV;
		483
		484	cf::sync_job {
		485	eval {
		486	$DB->set_flags (BDB::CHKSUM);
		487
		488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		490	cf::cleanup "db_open(db): $!" if $!;
		491	};
		492	cf::cleanup "db_open(db): $@" if $@;
		493	};
		494	}
		495	}
		496
		497	sub db_get($$) {
		498	my $key = "$_[0]/$_[1]";
		499
		500	cf::sync_job {
		501	BDB::db_get $DB, undef, $key, my $data;
		502
		503	$! ? ()
		504	: $data
		505	}
		506	}
		507
		508	sub db_put($$$) {
		509	BDB::dbreq_pri 4;
		510	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		511	}
		512
		513	=item cf::cache $id => [$paths...], $processversion => $process
		514
		515	Generic caching function that returns the value of the resource $id,
		516	caching and regenerating as required.
		517
		518	This function can block.
		519
		520	=cut
		521
		522	sub cache {
		523	my ($id, $src, $processversion, $process) = @_;
		524
		525	my $meta =
		526	join "\x00",
		527	$processversion,
		528	map {
		529	aio_stat $_
		530	and Carp::croak "$_: $!";
		531
		532	($_, (stat _)[7,9])
		533	} @$src;
		534
		535	my $dbmeta = db_get cache => "$id/meta";
		536	if ($dbmeta ne $meta) {
		537	# changed, we may need to process
		538
		539	my @data;
		540	my $md5;
		541
		542	for (0 .. $#$src) {
		543	0 <= aio_load $src->[$_], $data[$_]
		544	or Carp::croak "$src->[$_]: $!";
		545	}
		546
		547	# if processing is expensive, check
		548	# checksum first
		549	if (1) {
		550	$md5 =
		551	join "\x00",
		552	$processversion,
		553	map {
		554	Coro::cede;
		555	($src->[$_], Digest::MD5::md5_hex $data[$_])
		556	} 0.. $#$src;
		557
		558
		559	my $dbmd5 = db_get cache => "$id/md5";
		560	if ($dbmd5 eq $md5) {
		561	db_put cache => "$id/meta", $meta;
		562
		563	return db_get cache => "$id/data";
		564	}
		565	}
		566
		567	my $t1 = Time::HiRes::time;
		568	my $data = $process->(\@data);
		569	my $t2 = Time::HiRes::time;
		570
		571	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		572
		573	db_put cache => "$id/data", $data;
		574	db_put cache => "$id/md5" , $md5;
		575	db_put cache => "$id/meta", $meta;
		576
		577	return $data;
		578	}
		579
		580	db_get cache => "$id/data"
376	}	581	}
377		582
378	=item cf::datalog type => key => value, ...	583	=item cf::datalog type => key => value, ...
379		584
380	Log a datalog packet of the given type with the given key-value pairs.	585	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")	603	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	604	to it. All such attachable objects support the following methods.
400		605
401	In the following description, CLASS can be any of C<global>, C<object>	606	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	607	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	608	Crossfire TRT).
404		609
405	=over 4	610	=over 4
406		611
407	=item $attachable->attach ($attachment, key => $value...)	612	=item $attachable->attach ($attachment, key => $value...)
408		613
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	776	$registry = $CB_TYPE[$object_type] ||= [];
572		777
573	} elsif ($type eq "subtype") {	778	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	779	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	780	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	781	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		782
578	} elsif ($type eq "package") {	783	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	784	my $pkg = shift @arg;
580		785
581	while (my ($name, $id) = each %cb_id) {	786	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	815	_attach $registry, $klass, @attach;
611	}	816	}
612		817
613	$obj->{$name} = \%arg;	818	$obj->{$name} = \%arg;
614	} else {	819	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	820	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	821	}
617		822
618	$obj->{_attachment}{$name} = undef;	823	$obj->{_attachment}{$name} = undef;
619	}	824	}
620		825
…		…
622	if (ref $_[0]) {	827	if (ref $_[0]) {
623	_object_attach @_;	828	_object_attach @_;
624	} else {	829	} else {
625	_attach shift->_attach_registry, @_;	830	_attach shift->_attach_registry, @_;
626	}	831	}
		832	_recalc_want;
627	};	833	};
628		834
629	# all those should be optimised	835	# all those should be optimised
630	sub cf::attachable::detach {	836	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	837	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	840	delete $obj->{_attachment}{$name};
635	reattach ($obj);	841	reattach ($obj);
636	} else {	842	} else {
637	Carp::croak "cannot, currently, detach class attachments";	843	Carp::croak "cannot, currently, detach class attachments";
638	}	844	}
		845	_recalc_want;
639	};	846	};
640		847
641	sub cf::attachable::attached {	848	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	849	my ($obj, $name) = @_;
643		850
…		…
816	or return;	1023	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };	1024	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1025	}
819		1026
820	warn sprintf "loading %s (%d)\n",	1027	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1028	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	1029	return ($data, $av);
823	}	1030	}
		1031
		1032	=head2 COMMAND CALLBACKS
		1033
		1034	=over 4
		1035
		1036	=cut
824		1037
825	#############################################################################	1038	#############################################################################
826	# command handling &c	1039	# command handling &c
827		1040
828	=item cf::register_command $name => \&callback($ob,$args);	1041	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1054	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1055	}
843		1056
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1057	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1058
846	Register a callbackf ro execution when the client sends an extcmd packet.	1059	Register a callback for execution when the client sends an (synchronous)
		1060	extcmd packet. Ext commands will be processed in the order they are
		1061	received by the server, like other user commands. The first argument is
		1062	the logged-in player. Ext commands can only be processed after a player
		1063	has logged in successfully.
847		1064
848	If the callback returns something, it is sent back as if reply was being	1065	If the callback returns something, it is sent back as if reply was being
849	called.	1066	called.
850		1067
		1068	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1069
		1070	Register a callback for execution when the client sends an (asynchronous)
		1071	exticmd packet. Exti commands are processed by the server as soon as they
		1072	are received, i.e. out of order w.r.t. other commands. The first argument
		1073	is a client socket. Exti commands can be received anytime, even before
		1074	log-in.
		1075
		1076	If the callback returns something, it is sent back as if reply was being
		1077	called.
		1078
851	=cut	1079	=cut
852		1080
853	sub register_extcmd {	1081	sub register_extcmd {
854	my ($name, $cb) = @_;	1082	my ($name, $cb) = @_;
855		1083
856	$EXTCMD{$name} = $cb;	1084	$EXTCMD{$name} = $cb;
		1085	}
		1086
		1087	sub register_exticmd {
		1088	my ($name, $cb) = @_;
		1089
		1090	$EXTICMD{$name} = $cb;
857	}	1091	}
858		1092
859	cf::player->attach (	1093	cf::player->attach (
860	on_command => sub {	1094	on_command => sub {
861	my ($pl, $name, $params) = @_;	1095	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1104	cf::override;
871	},	1105	},
872	on_extcmd => sub {	1106	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1107	my ($pl, $buf) = @_;
874		1108
875	my $msg = eval { from_json $buf };	1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1110
877	if (ref $msg) {	1111	if (ref $msg) {
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
879	if (my %reply = $cb->($pl, $msg)) {	1113	if (my %reply = $cb->($pl, $msg)) {
880	$pl->ext_reply ($msg->{msgid}, %reply);	1114	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
886		1120
887	cf::override;	1121	cf::override;
888	},	1122	},
889	);	1123	);
890		1124
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 {	1125	sub load_extensions {
		1126	cf::sync_job {
		1127	my %todo;
		1128
926	for my $ext (<$LIBDIR/*.ext>) {	1129	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1130	next unless -r $path;
928	eval {	1131
929	load_extension $ext;	1132	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1133	my $base = $1;
		1134	my $pkg = $1;
		1135	$pkg =~ s/[^[:word:]]/_/g;
		1136	$pkg = "ext::$pkg";
		1137
		1138	open my $fh, "<:utf8", $path
		1139	or die "$path: $!";
		1140
		1141	my $source = do { local $/; <$fh> };
		1142
		1143	my %ext = (
		1144	path => $path,
		1145	base => $base,
		1146	pkg => $pkg,
		1147	);
		1148
		1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1151
		1152	$ext{source} =
		1153	"package $pkg; use strict; use utf8;\n"
		1154	. "#line 1 \"$path\"\n{\n"
		1155	. $source
		1156	. "\n};\n1";
		1157
		1158	$todo{$base} = \%ext;
		1159	}
		1160
		1161	my %done;
		1162	while (%todo) {
		1163	my $progress;
		1164
		1165	while (my ($k, $v) = each %todo) {
		1166	for (split /,\s*/, $v->{meta}{depends}) {
		1167	goto skip
		1168	unless exists $done{$_};
		1169	}
		1170
		1171	warn "... loading '$k' into '$v->{pkg}'\n";
		1172
		1173	unless (eval $v->{source}) {
		1174	my $msg = $@ ? "$v->{path}: $@\n"
		1175	: "$v->{base}: extension inactive.\n";
		1176
		1177	if (exists $v->{meta}{mandatory}) {
		1178	warn $msg;
		1179	warn "mandatory extension failed to load, exiting.\n";
		1180	exit 1;
		1181	}
		1182
		1183	warn $msg;
		1184	}
		1185
		1186	$done{$k} = delete $todo{$k};
		1187	push @EXTS, $v->{pkg};
		1188	$progress = 1;
930	1	1189	}
931	} or warn "$ext not loaded: $@";	1190
		1191	skip:
		1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1193	unless $progress;
		1194	}
932	}	1195	};
933	}	1196	}
934		1197
935	#############################################################################	1198	#############################################################################
936		1199
		1200	=back
		1201
937	=head2 CORE EXTENSIONS	1202	=head2 CORE EXTENSIONS
938		1203
939	Functions and methods that extend core crossfire objects.	1204	Functions and methods that extend core crossfire objects.
940		1205
941	=cut	1206	=cut
…		…
953	Returns the given player object, loading it if necessary (might block).	1218	Returns the given player object, loading it if necessary (might block).
954		1219
955	=cut	1220	=cut
956		1221
957	sub playerdir($) {	1222	sub playerdir($) {
958	cf::localdir	1223	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1224	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1225	}
964		1226
965	sub path($) {	1227	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1228	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1086	while and may block, so not sync_job-capable, ever.	1348	while and may block, so not sync_job-capable, ever.
1087		1349
1088	=cut	1350	=cut
1089		1351
1090	sub list_logins {	1352	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1353	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1354	or return [];
1093		1355
1094	my @logins;	1356	my @logins;
1095		1357
1096	for my $login (@$dirs) {	1358	for my $login (@$dirs) {
…		…
1131	}	1393	}
1132		1394
1133	\@paths	1395	\@paths
1134	}	1396	}
1135		1397
		1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1399
		1400	Expand crossfire pod fragments into protocol xml.
		1401
		1402	=cut
		1403
		1404	sub expand_cfpod {
		1405	((my $self), (local $_)) = @_;
		1406
		1407	# escape & and <
		1408	s/&/&amp;/g;
		1409	s/(?<![BIUGH])</&lt;/g;
		1410
		1411	# this is buggy, it needs to properly take care of nested <'s
		1412
		1413	1 while
		1414	# replace B<>, I<>, U<> etc.
		1415	s/B<([^\>]*)>/<b>$1<\/b>/
		1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1418	# replace G<male|female> tags
		1419	|| s{G<([^>|]*)\|([^>]*)>}{
		1420	$self->gender ? $2 : $1
		1421	}ge
		1422	# replace H<hint text>
		1423	|| s{H<([^\>]*)>}
		1424	{
		1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1427	"")
		1428	[$self->{hintmode}]
		1429	}ge;
		1430
		1431	# create single paragraphs (very hackish)
		1432	s/(?<=\S)\n(?=\w)/ /g;
		1433
		1434	# compress some whitespace
		1435	s/\s+\n/\n/g; # ws line-ends
		1436	s/\n\n+/\n/g; # double lines
		1437	s/^\n+//; # beginning lines
		1438	s/\n+$//; # ending lines
		1439
		1440	$_
		1441	}
		1442
		1443	sub hintmode {
		1444	$_[0]{hintmode} = $_[1] if @_ > 1;
		1445	$_[0]{hintmode}
		1446	}
		1447
1136	=item $player->ext_reply ($msgid, %msg)	1448	=item $player->ext_reply ($msgid, %msg)
1137		1449
1138	Sends an ext reply to the player.	1450	Sends an ext reply to the player.
1139		1451
1140	=cut	1452	=cut
1141		1453
1142	sub ext_reply($$%) {	1454	sub ext_reply($$%) {
1143	my ($self, $id, %msg) = @_;	1455	my ($self, $id, %msg) = @_;
1144		1456
1145	$msg{msgid} = $id;	1457	$msg{msgid} = $id;
1146		1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1459	}
1149		1460
1150	=item $player->ext_event ($type, %msg)	1461	=item $player->ext_event ($type, %msg)
1151		1462
1152	Sends an ext event to the client.	1463	Sends an ext event to the client.
…		…
1157	my ($self, $type, %msg) = @_;	1468	my ($self, $type, %msg) = @_;
1158		1469
1159	$self->ns->ext_event ($type, %msg);	1470	$self->ns->ext_event ($type, %msg);
1160	}	1471	}
1161		1472
1162	package cf;	1473	=head3 cf::region
		1474
		1475	=over 4
		1476
		1477	=cut
		1478
		1479	package cf::region;
		1480
		1481	=item cf::region::find_by_path $path
		1482
		1483	Tries to decuce the likely region for a map knowing only its path.
		1484
		1485	=cut
		1486
		1487	sub find_by_path($) {
		1488	my ($path) = @_;
		1489
		1490	my ($match, $specificity);
		1491
		1492	for my $region (list) {
		1493	if ($region->match && $path =~ $region->match) {
		1494	($match, $specificity) = ($region, $region->specificity)
		1495	if $region->specificity > $specificity;
		1496	}
		1497	}
		1498
		1499	$match
		1500	}
1163		1501
1164	=back	1502	=back
1165
1166		1503
1167	=head3 cf::map	1504	=head3 cf::map
1168		1505
1169	=over 4	1506	=over 4
1170		1507
…		…
1225	my ($self, $merge) = @_;	1562	my ($self, $merge) = @_;
1226		1563
1227	# we have to keep some variables in memory intact	1564	# we have to keep some variables in memory intact
1228	local $self->{path};	1565	local $self->{path};
1229	local $self->{load_path};	1566	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1567
1233	$self->SUPER::thawer_merge ($merge);	1568	$self->SUPER::thawer_merge ($merge);
1234	}	1569	}
1235		1570
1236	sub normalise {	1571	sub normalise {
…		…
1308		1643
1309	# the original (read-only) location	1644	# the original (read-only) location
1310	sub load_path {	1645	sub load_path {
1311	my ($self) = @_;	1646	my ($self) = @_;
1312		1647
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1648	"$MAPDIR/$self->{path}.map"
1314	}	1649	}
1315		1650
1316	# the temporary/swap location	1651	# the temporary/swap location
1317	sub save_path {	1652	sub save_path {
1318	my ($self) = @_;	1653	my ($self) = @_;
1319		1654
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1655	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1656	"$TMPDIR/$path.map"
1322	}	1657	}
1323		1658
1324	# the unique path, undef == no special unique path	1659	# the unique path, undef == no special unique path
1325	sub uniq_path {	1660	sub uniq_path {
1326	my ($self) = @_;	1661	my ($self) = @_;
1327		1662
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1663	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1664	"$UNIQUEDIR/$path"
1330	}	1665	}
1331		1666
1332	# and all this just because we cannot iterate over	1667	# and all this just because we cannot iterate over
1333	# all maps in C++...	1668	# all maps in C++...
1334	sub change_all_map_light {	1669	sub change_all_map_light {
1335	my ($change) = @_;	1670	my ($change) = @_;
1336		1671
1337	$_->change_map_light ($change)	1672	$_->change_map_light ($change)
1338	for grep $_->outdoor, values %cf::MAP;	1673	for grep $_->outdoor, values %cf::MAP;
		1674	}
		1675
		1676	sub decay_objects {
		1677	my ($self) = @_;
		1678
		1679	return if $self->{deny_reset};
		1680
		1681	$self->do_decay_objects;
1339	}	1682	}
1340		1683
1341	sub unlink_save {	1684	sub unlink_save {
1342	my ($self) = @_;	1685	my ($self) = @_;
1343		1686
…		…
1401	$self->load_header_orig	1744	$self->load_header_orig
1402	or return;	1745	or return;
1403	$self->prepare_orig;	1746	$self->prepare_orig;
1404	}	1747	}
1405		1748
		1749	$self->{deny_reset} = 1
		1750	if $self->no_reset;
		1751
		1752	$self->default_region (cf::region::find_by_path $self->{path})
		1753	unless $self->default_region;
		1754
1406	1	1755	1
1407	}	1756	}
1408		1757
1409	sub find;	1758	sub find;
1410	sub find {	1759	sub find {
…		…
1422	$map->{last_save} = $cf::RUNTIME;	1771	$map->{last_save} = $cf::RUNTIME;
1423		1772
1424	$map->load_header	1773	$map->load_header
1425	or return;	1774	or return;
1426		1775
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	1777	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	1778	#$cf::WAIT_FOR_TICK->wait;
1430	$map->reset;	1779	$map->reset;
1431	undef $guard;	1780	undef $guard;
1432	return find $path;	1781	return find $path;
…		…
1443	my ($self) = @_;	1792	my ($self) = @_;
1444		1793
1445	local $self->{deny_reset} = 1; # loading can take a long time	1794	local $self->{deny_reset} = 1; # loading can take a long time
1446		1795
1447	my $path = $self->{path};	1796	my $path = $self->{path};
		1797
		1798	{
1448	my $guard = cf::lock_acquire "map_load:$path";	1799	my $guard = cf::lock_acquire "map_load:$path";
1449		1800
1450	return if $self->in_memory != cf::MAP_SWAPPED;	1801	return if $self->in_memory != cf::MAP_SWAPPED;
1451		1802
1452	$self->in_memory (cf::MAP_LOADING);	1803	$self->in_memory (cf::MAP_LOADING);
1453		1804
1454	$self->alloc;	1805	$self->alloc;
1455		1806
1456	$self->pre_load;	1807	$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;	1808	Coro::cede;
1482	$self->set_darkness_map;	1809
		1810	$self->_load_objects ($self->{load_path}, 1)
		1811	or return;
		1812
		1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1814	if delete $self->{load_original};
		1815
		1816	if (my $uniq = $self->uniq_path) {
		1817	utf8::encode $uniq;
		1818	if (aio_open $uniq, O_RDONLY, 0) {
		1819	$self->clear_unique_items;
		1820	$self->_load_objects ($uniq, 0);
		1821	}
		1822	}
		1823
		1824	Coro::cede;
		1825	# now do the right thing for maps
		1826	$self->link_multipart_objects;
1483	$self->difficulty ($self->estimate_difficulty)	1827	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	1828	unless $self->difficulty;
1485	Coro::cede;	1829	Coro::cede;
		1830
		1831	unless ($self->{deny_activate}) {
		1832	$self->decay_objects;
		1833	$self->fix_auto_apply;
		1834	$self->update_buttons;
		1835	Coro::cede;
		1836	$self->set_darkness_map;
		1837	Coro::cede;
1486	$self->activate;	1838	$self->activate;
		1839	}
		1840
		1841	$self->in_memory (cf::MAP_IN_MEMORY);
1487	}	1842	}
1488		1843
1489	$self->post_load;	1844	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	1845	}
1493		1846
1494	sub customise_for {	1847	sub customise_for {
1495	my ($self, $ob) = @_;	1848	my ($self, $ob) = @_;
1496		1849
1497	return find "~" . $ob->name . "/" . $self->{path}	1850	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	1851	if $self->per_player;
		1852
		1853	# return find "?party/" . $ob->name . "/" . $self->{path}
		1854	# if $self->per_party;
1499		1855
1500	$self	1856	$self
1501	}	1857	}
1502		1858
1503	# find and load all maps in the 3x3 area around a map	1859	# find and load all maps in the 3x3 area around a map
…		…
1614		1970
1615	sub reset_at {	1971	sub reset_at {
1616	my ($self) = @_;	1972	my ($self) = @_;
1617		1973
1618	# TODO: safety, remove and allow resettable per-player maps	1974	# 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};	1975	return 1e99 if $self->{deny_reset};
1621		1976
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1977	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1978	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		1979
…		…
1635	my ($self) = @_;	1990	my ($self) = @_;
1636		1991
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	1992	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		1993
1639	return if $self->players;	1994	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		1995
1642	warn "resetting map ", $self->path;#d#	1996	warn "resetting map ", $self->path;
1643		1997
1644	$self->in_memory (cf::MAP_SWAPPED);	1998	$self->in_memory (cf::MAP_SWAPPED);
1645		1999
1646	# need to save uniques path	2000	# need to save uniques path
1647	unless ($self->{deny_save}) {	2001	unless ($self->{deny_save}) {
…		…
1679	$cf::MAP{$self->path} = $self;	2033	$cf::MAP{$self->path} = $self;
1680		2034
1681	$self->reset; # polite request, might not happen	2035	$self->reset; # polite request, might not happen
1682	}	2036	}
1683		2037
		2038	=item $maps = cf::map::tmp_maps
		2039
		2040	Returns an arrayref with all map paths of currently instantiated and saved
		2041	maps. May block.
		2042
		2043	=cut
		2044
		2045	sub tmp_maps() {
		2046	[
		2047	map {
		2048	utf8::decode $_;
		2049	/\.map$/
		2050	? normalise $_
		2051	: ()
		2052	} @{ aio_readdir $TMPDIR or [] }
		2053	]
		2054	}
		2055
		2056	=item $maps = cf::map::random_maps
		2057
		2058	Returns an arrayref with all map paths of currently instantiated and saved
		2059	random maps. May block.
		2060
		2061	=cut
		2062
		2063	sub random_maps() {
		2064	[
		2065	map {
		2066	utf8::decode $_;
		2067	/\.map$/
		2068	? normalise "?random/$_"
		2069	: ()
		2070	} @{ aio_readdir $RANDOMDIR or [] }
		2071	]
		2072	}
		2073
1684	=item cf::map::unique_maps	2074	=item cf::map::unique_maps
1685		2075
1686	Returns an arrayref of paths of all shared maps that have	2076	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2077	instantiated unique items. May block.
1688		2078
1689	=cut	2079	=cut
1690		2080
1691	sub unique_maps() {	2081	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2082	[
1693	or return;	2083	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2084	utf8::decode $_;
1699	next if /\.pst$/;	2085	/\.map$/
1700	next unless /^$PATH_SEP/o;	2086	? normalise $_
1701		2087	: ()
1702	push @paths, cf::map::normalise $_;	2088	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2089	]
1704
1705	\@paths
1706	}	2090	}
1707		2091
1708	package cf;	2092	package cf;
1709		2093
1710	=back	2094	=back
…		…
1756		2140
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2141	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2142
1759	if ($self->{record_replies}) {	2143	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2144	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2145
1761	} else {	2146	} else {
		2147	my $pl = $self->contr;
		2148
		2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2150	my $diag = $pl->{npc_dialog};
		2151	$diag->{pl}->ext_reply (
		2152	$diag->{id},
		2153	msgtype => "reply",
		2154	msg => $diag->{pl}->expand_cfpod ($msg),
		2155	add_topics => []
		2156	);
		2157
		2158	} else {
1762	$msg = $npc->name . " says: $msg" if $npc;	2159	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2160	$self->message ($msg, $flags);
		2161	}
1764	}	2162	}
1765	}	2163	}
1766		2164
1767	=item $player_object->may ("access")	2165	=item $player_object->may ("access")
1768		2166
…		…
1816	$self->deactivate_recursive;	2214	$self->deactivate_recursive;
1817		2215
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2216	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2217
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2218	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2219	if $self->map && $self->map->{path} ne "{link}";
1822		2220
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2221	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1824	}	2222	}
1825		2223
1826	sub cf::object::player::leave_link {	2224	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2225	my ($self, $map, $x, $y) = @_;
		2226
		2227	return unless $self->contr->active;
1828		2228
1829	my $link_pos = delete $self->{_link_pos};	2229	my $link_pos = delete $self->{_link_pos};
1830		2230
1831	unless ($map) {	2231	unless ($map) {
1832	# restore original map position	2232	# restore original map position
…		…
1855		2255
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2257	$self->enter_map ($map, $x, $y);
1858	}	2258	}
1859		2259
1860	cf::player->attach (
1861	on_logout => sub {
1862	my ($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)	2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1893		2261
		2262	Moves the player to the given map-path and coordinates by first freezing
		2263	her, loading and preparing them map, calling the provided $check callback
		2264	that has to return the map if sucecssful, and then unfreezes the player on
		2265	the new (success) or old (failed) map position.
		2266
1894	=cut	2267	=cut
		2268
		2269	our $GOTOGEN;
1895		2270
1896	sub cf::object::player::goto {	2271	sub cf::object::player::goto {
1897	my ($self, $path, $x, $y) = @_;	2272	my ($self, $path, $x, $y, $check) = @_;
		2273
		2274	# do generation counting so two concurrent goto's will be executed in-order
		2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898		2276
1899	$self->enter_link;	2277	$self->enter_link;
1900		2278
1901	(async {	2279	(async {
1902	my $map = eval {	2280	my $map = eval {
1903	my $map = cf::map::find $path;	2281	my $map = cf::map::find $path;
		2282
		2283	if ($map) {
1904	$map = $map->customise_for ($self) if $map;	2284	$map = $map->customise_for ($self);
		2285	$map = $check->($map) if $check && $map;
		2286	} else {
		2287	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2288	}
		2289
1905	$map	2290	$map
		2291	};
		2292
		2293	if ($@) {
		2294	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2295	LOG llevError | logBacktrace, Carp::longmess $@;
1906	} or	2296	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2297
		2298	if ($gen == $self->{_goto_generation}) {
		2299	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2300	$self->leave_link ($map, $x, $y);
		2301	}
1910	})->prio (1);	2302	})->prio (1);
1911	}	2303	}
1912		2304
1913	=item $player_object->enter_exit ($exit_object)	2305	=item $player_object->enter_exit ($exit_object)
1914		2306
…		…
1953		2345
1954	$rmp->{random_seed} ||= $exit->random_seed;	2346	$rmp->{random_seed} ||= $exit->random_seed;
1955		2347
1956	my $data = cf::to_json $rmp;	2348	my $data = cf::to_json $rmp;
1957	my $md5 = Digest::MD5::md5_hex $data;	2349	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2350	my $meta = "$RANDOMDIR/$md5.meta";
1959		2351
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2352	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2353	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2354	undef $fh;
1963	aio_rename "$meta~", $meta;	2355	aio_rename "$meta~", $meta;
…		…
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2374	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;	2375	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;	2376	my $sp = $exit->stats->sp;
1985		2377
1986	$self->enter_link;	2378	$self->enter_link;
		2379
		2380	# if exit is damned, update players death & WoR home-position
		2381	$self->contr->savebed ($slaying, $hp, $sp)
		2382	if $exit->flag (FLAG_DAMNED);
1987		2383
1988	(async {	2384	(async {
1989	$self->deactivate_recursive; # just to be sure	2385	$self->deactivate_recursive; # just to be sure
1990	unless (eval {	2386	unless (eval {
1991	$self->goto ($slaying, $hp, $sp);	2387	$self->goto ($slaying, $hp, $sp);
…		…
2019		2415
2020	utf8::encode $text;	2416	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2417	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2418	}
2023		2419
		2420	=item $client->send_msg ($color, $type, $msg, [extra...])
		2421
		2422	Send a drawinfo or msg packet to the client, formatting the msg for the
		2423	client if neccessary. C<$type> should be a string identifying the type of
		2424	the message, with C<log> being the default. If C<$color> is negative, suppress
		2425	the message unless the client supports the msg packet.
		2426
		2427	=cut
		2428
		2429	sub cf::client::send_msg {
		2430	my ($self, $color, $type, $msg, @extra) = @_;
		2431
		2432	$msg = $self->pl->expand_cfpod ($msg);
		2433
		2434	return unless @extra || length $msg;
		2435
		2436	if ($self->can_msg) {
		2437	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2438	} else {
		2439	# replace some tags by gcfclient-compatible ones
		2440	for ($msg) {
		2441	1 while
		2442	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2443	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2444	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2445	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2446	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2447	}
		2448
		2449	if ($color >= 0) {
		2450	if (0 && $msg =~ /\[/) {
		2451	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2452	} else {
		2453	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2454	$self->send_packet ("drawinfo $color $msg")
		2455	}
		2456	}
		2457	}
		2458	}
		2459
2024	=item $client->ext_event ($type, %msg)	2460	=item $client->ext_event ($type, %msg)
2025		2461
2026	Sends an exti event to the client.	2462	Sends an ext event to the client.
2027		2463
2028	=cut	2464	=cut
2029		2465
2030	sub cf::client::ext_event($$%) {	2466	sub cf::client::ext_event($$%) {
2031	my ($self, $type, %msg) = @_;	2467	my ($self, $type, %msg) = @_;
2032		2468
2033	$msg{msgtype} = "event_$type";	2469	$msg{msgtype} = "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	2470	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2035	}	2471	}
2036		2472
2037	=item $success = $client->query ($flags, "text", \&cb)	2473	=item $success = $client->query ($flags, "text", \&cb)
2038		2474
2039	Queues a query to the client, calling the given callback with	2475	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>,	2476	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>.	2477	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		2478
2043	Queries can fail, so check the return code. Or don't, as queries will become	2479	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	2480	become reliable at some point in the future.
2045		2481
2046	=cut	2482	=cut
2047		2483
2048	sub cf::client::query {	2484	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	2485	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	2493	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2494	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		2495
2060	$self->send_packet ($self->{query_queue}[0][0])	2496	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	2497	if @{ $self->{query_queue} } == 1;
		2498
		2499	1
2062	}	2500	}
2063		2501
2064	cf::client->attach (	2502	cf::client->attach (
		2503	on_connect => sub {
		2504	my ($ns) = @_;
		2505
		2506	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2507	},
2065	on_reply => sub {	2508	on_reply => sub {
2066	my ($ns, $msg) = @_;	2509	my ($ns, $msg) = @_;
2067		2510
2068	# this weird shuffling is so that direct followup queries	2511	# this weird shuffling is so that direct followup queries
2069	# get handled first	2512	# get handled first
…		…
2081	} else {	2524	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2525	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	2526	}
2084	}	2527	}
2085	},	2528	},
		2529	on_exticmd => sub {
		2530	my ($ns, $buf) = @_;
		2531
		2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2533
		2534	if (ref $msg) {
		2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2536	if (my %reply = $cb->($ns, $msg)) {
		2537	$reply{msgid} = $msg->{msgid};
		2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2539	}
		2540	}
		2541	} else {
		2542	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2543	}
		2544
		2545	cf::override;
		2546	},
2086	);	2547	);
2087		2548
2088	=item $client->async (\&cb)	2549	=item $client->async (\&cb)
2089		2550
2090	Create a new coroutine, running the specified callback. The coroutine will	2551	Create a new coroutine, running the specified callback. The coroutine will
…		…
2139		2600
2140	=pod	2601	=pod
2141		2602
2142	The following functions and methods are available within a safe environment:	2603	The following functions and methods are available within a safe environment:
2143		2604
2144	cf::object contr pay_amount pay_player map	2605	cf::object
		2606	contr pay_amount pay_player map x y force_find force_add
		2607	insert remove
		2608
2145	cf::object::player player	2609	cf::object::player
2146	cf::player peaceful	2610	player
2147	cf::map trigger	2611
		2612	cf::player
		2613	peaceful
		2614
		2615	cf::map
		2616	trigger
2148		2617
2149	=cut	2618	=cut
2150		2619
2151	for (	2620	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	2621	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2622	insert remove)],
2153	["cf::object::player" => qw(player)],	2623	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	2624	["cf::player" => qw(peaceful)],
2155	["cf::map" => qw(trigger)],	2625	["cf::map" => qw(trigger)],
2156	) {	2626	) {
2157	no strict 'refs';	2627	no strict 'refs';
…		…
2228	=back	2698	=back
2229		2699
2230	=cut	2700	=cut
2231		2701
2232	#############################################################################	2702	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$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 $_[2], 0, sub { };
2302	}
2303
2304	#############################################################################
2305	# the server's init and main functions	2703	# the server's init and main functions
2306		2704
2307	sub load_facedata {	2705	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	2706	my ($path) = @_;
2309		2707
2310	warn "loading facedata from $path\n";	2708	warn "loading facedata from $path\n";
2311		2709
2312	my $faces;	2710	my $facedata;
2313	0 < aio_load $path, $faces	2711	0 < aio_load $path, $facedata
2314	or die "$path: $!";	2712	or die "$path: $!";
2315		2713
2316	Coro::cede;
2317	$faces = Storable::thaw $faces;	2714	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		2715
2320	my $meta = delete $faces->{""};
2321	$meta->{version} == 1	2716	$facedata->{version} == 2
2322	or cf::cleanup "$path: version mismatch, cannot proceed.";	2717	or cf::cleanup "$path: version mismatch, cannot proceed.";
2323		2718
		2719	{
		2720	my $faces = $facedata->{faceinfo};
		2721
2324	while (my ($face, $info) = each %$faces) {	2722	while (my ($face, $info) = each %$faces) {
2325	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2326	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2327	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2328	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2329	Coro::cede;	2727	Coro::cede;
2330	}	2728	}
2331		2729
2332	while (my ($face, $info) = each %$faces) {	2730	while (my ($face, $info) = each %$faces) {
2333	next unless $info->{smooth};	2731	next unless $info->{smooth};
2334	my $idx = cf::face::find $face	2732	my $idx = cf::face::find $face
2335	or next;	2733	or next;
2336	if (my $smooth = cf::face::find $info->{smooth}) {	2734	if (my $smooth = cf::face::find $info->{smooth}) {
2337	cf::face::set_smooth $idx, $smooth;	2735	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2338	} else {	2736	} else {
2339	warn "smooth face '$info->{smooth}' not found for face '$face'";	2737	warn "smooth face '$info->{smooth}' not found for face '$face'";
2340	}	2738	}
2341	Coro::cede;	2739	Coro::cede;
		2740	}
		2741	}
		2742
		2743	{
		2744	my $anims = $facedata->{animinfo};
		2745
		2746	while (my ($anim, $info) = each %$anims) {
		2747	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2748	Coro::cede;
		2749	}
		2750
		2751	cf::anim::invalidate_all; # d'oh
2342	}	2752	}
2343		2753
2344	1	2754	1
2345	}	2755	}
2346		2756
		2757	sub reload_regions {
		2758	load_resource_file "$MAPDIR/regions"
		2759	or die "unable to load regions file\n";
		2760	}
		2761
		2762	sub reload_facedata {
		2763	load_facedata "$DATADIR/facedata"
		2764	or die "unable to load facedata\n";
		2765	}
		2766
		2767	sub reload_archetypes {
		2768	load_resource_file "$DATADIR/archetypes"
		2769	or die "unable to load archetypes\n";
		2770	#d# NEED to laod twice to resolve forward references
		2771	# this really needs to be done in an extra post-pass
		2772	# (which needs to be synchronous, so solve it differently)
		2773	load_resource_file "$DATADIR/archetypes"
		2774	or die "unable to load archetypes\n";
		2775	}
		2776
		2777	sub reload_treasures {
		2778	load_resource_file "$DATADIR/treasures"
		2779	or die "unable to load treasurelists\n";
		2780	}
		2781
2347	sub reload_resources {	2782	sub reload_resources {
2348	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2783	warn "reloading resource files...\n";
2349	or die "unable to load regions file\n";#d#	2784
		2785	reload_regions;
2350	load_facedata	2786	reload_facedata;
2351	or die "unable to load facedata\n";#d#	2787	#reload_archetypes;#d#
		2788	reload_archetypes;
		2789	reload_treasures;
		2790
		2791	warn "finished reloading resource files\n";
2352	}	2792	}
2353		2793
2354	sub init {	2794	sub init {
2355	reload_resources;	2795	reload_resources;
2356	}	2796	}
2357		2797
2358	sub cfg_load {	2798	sub cfg_load {
2359	open my $fh, "<:utf8", cf::confdir . "/config"	2799	open my $fh, "<:utf8", "$CONFDIR/config"
2360	or return;	2800	or return;
2361		2801
2362	local $/;	2802	local $/;
2363	*CFG = YAML::Syck::Load <$fh>;	2803	*CFG = YAML::Syck::Load <$fh>;
2364		2804
…		…
2409	},	2849	},
2410	);	2850	);
2411	}	2851	}
2412	}	2852	}
2413		2853
		2854	sub write_runtime {
		2855	my $runtime = "$LOCALDIR/runtime";
		2856
		2857	# first touch the runtime file to show we are still running:
		2858	# the fsync below can take a very very long time.
		2859
		2860	IO::AIO::aio_utime $runtime, undef, undef;
		2861
		2862	my $guard = cf::lock_acquire "write_runtime";
		2863
		2864	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2865	or return;
		2866
		2867	my $value = $cf::RUNTIME + 90 + 10;
		2868	# 10 is the runtime save interval, for a monotonic clock
		2869	# 60 allows for the watchdog to kill the server.
		2870
		2871	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2872	and return;
		2873
		2874	# always fsync - this file is important
		2875	aio_fsync $fh
		2876	and return;
		2877
		2878	# touch it again to show we are up-to-date
		2879	aio_utime $fh, undef, undef;
		2880
		2881	close $fh
		2882	or return;
		2883
		2884	aio_rename "$runtime~", $runtime
		2885	and return;
		2886
		2887	warn "runtime file written.\n";
		2888
		2889	1
		2890	}
		2891
2414	sub emergency_save() {	2892	sub emergency_save() {
2415	my $freeze_guard = cf::freeze_mainloop;	2893	my $freeze_guard = cf::freeze_mainloop;
2416		2894
2417	warn "enter emergency perl save\n";	2895	warn "enter emergency perl save\n";
2418		2896
…		…
2449		2927
2450	warn Carp::longmess "post_cleanup backtrace"	2928	warn Carp::longmess "post_cleanup backtrace"
2451	if $make_core;	2929	if $make_core;
2452	}	2930	}
2453		2931
2454	sub reload() {	2932	sub do_reload_perl() {
2455	# can/must only be called in main	2933	# can/must only be called in main
2456	if ($Coro::current != $Coro::main) {	2934	if ($Coro::current != $Coro::main) {
2457	warn "can only reload from main coroutine";	2935	warn "can only reload from main coroutine";
2458	return;	2936	return;
2459	}	2937	}
…		…
2493	%EXT_CORO = ();	2971	%EXT_CORO = ();
2494		2972
2495	warn "removing commands";	2973	warn "removing commands";
2496	%COMMAND = ();	2974	%COMMAND = ();
2497		2975
2498	warn "removing ext commands";	2976	warn "removing ext/exti commands";
2499	%EXTCMD = ();	2977	%EXTCMD = ();
		2978	%EXTICMD = ();
2500		2979
2501	warn "unloading/nuking all extensions";	2980	warn "unloading/nuking all extensions";
2502	for my $pkg (@EXTS) {	2981	for my $pkg (@EXTS) {
2503	warn "... unloading $pkg";	2982	warn "... unloading $pkg";
2504		2983
…		…
2534	Symbol::delete_package "safe::$_"	3013	Symbol::delete_package "safe::$_"
2535	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3014	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2536		3015
2537	warn "unloading cf.pm \"a bit\"";	3016	warn "unloading cf.pm \"a bit\"";
2538	delete $INC{"cf.pm"};	3017	delete $INC{"cf.pm"};
		3018	delete $INC{"cf/pod.pm"};
2539		3019
2540	# don't, removes xs symbols, too,	3020	# don't, removes xs symbols, too,
2541	# and global variables created in xs	3021	# and global variables created in xs
2542	#Symbol::delete_package __PACKAGE__;	3022	#Symbol::delete_package __PACKAGE__;
2543		3023
…		…
2558	warn "reattaching attachments to maps";	3038	warn "reattaching attachments to maps";
2559	reattach $_ for values %MAP;	3039	reattach $_ for values %MAP;
2560	warn "reattaching attachments to players";	3040	warn "reattaching attachments to players";
2561	reattach $_ for values %PLAYER;	3041	reattach $_ for values %PLAYER;
2562		3042
2563	warn "loading reloadable resources";
2564	reload_resources;
2565
2566	warn "leaving sync_job";	3043	warn "leaving sync_job";
2567		3044
2568	1	3045	1
2569	} or do {	3046	} or do {
2570	warn $@;	3047	warn $@;
…		…
2575	warn "reloaded";	3052	warn "reloaded";
2576	};	3053	};
2577		3054
2578	our $RELOAD_WATCHER; # used only during reload	3055	our $RELOAD_WATCHER; # used only during reload
2579		3056
		3057	sub reload_perl() {
		3058	# doing reload synchronously and two reloads happen back-to-back,
		3059	# coro crashes during coro_state_free->destroy here.
		3060
		3061	$RELOAD_WATCHER ||= Event->timer (
		3062	reentrant => 0,
		3063	after => 0,
		3064	data => WF_AUTOCANCEL,
		3065	cb => sub {
		3066	do_reload_perl;
		3067	undef $RELOAD_WATCHER;
		3068	},
		3069	);
		3070	}
		3071
2580	register_command "reload" => sub {	3072	register_command "reload" => sub {
2581	my ($who, $arg) = @_;	3073	my ($who, $arg) = @_;
2582		3074
2583	if ($who->flag (FLAG_WIZ)) {	3075	if ($who->flag (FLAG_WIZ)) {
2584	$who->message ("reloading server.");	3076	$who->message ("reloading server.");
2585		3077	async { reload_perl };
2586	# doing reload synchronously and two reloads happen back-to-back,
2587	# coro crashes during coro_state_free->destroy here.
2588
2589	$RELOAD_WATCHER ||= Event->timer (
2590	reentrant => 0,
2591	after => 0,
2592	data => WF_AUTOCANCEL,
2593	cb => sub {
2594	reload;
2595	undef $RELOAD_WATCHER;
2596	},
2597	);
2598	}	3078	}
2599	};	3079	};
2600		3080
2601	unshift @INC, $LIBDIR;	3081	unshift @INC, $LIBDIR;
2602		3082
2603	my $bug_warning = 0;	3083	my $bug_warning = 0;
2604		3084
		3085	our @WAIT_FOR_TICK;
		3086	our @WAIT_FOR_TICK_BEGIN;
		3087
		3088	sub wait_for_tick {
		3089	return unless $TICK_WATCHER->is_active;
		3090	return if $Coro::current == $Coro::main;
		3091
		3092	my $signal = new Coro::Signal;
		3093	push @WAIT_FOR_TICK, $signal;
		3094	$signal->wait;
		3095	}
		3096
		3097	sub wait_for_tick_begin {
		3098	return unless $TICK_WATCHER->is_active;
		3099	return if $Coro::current == $Coro::main;
		3100
		3101	my $signal = new Coro::Signal;
		3102	push @WAIT_FOR_TICK_BEGIN, $signal;
		3103	$signal->wait;
		3104	}
		3105
		3106	my $min = 1e6;#d#
		3107	my $avg = 10;
2605	$TICK_WATCHER = Event->timer (	3108	$TICK_WATCHER = Event->timer (
2606	reentrant => 0,	3109	reentrant => 0,
2607	parked => 1,	3110	parked => 1,
2608	prio => 0,	3111	prio => 0,
2609	at => $NEXT_TICK || $TICK,	3112	at => $NEXT_TICK || $TICK,
…		…
2613	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3116	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2614	unless ++$bug_warning > 10;	3117	unless ++$bug_warning > 10;
2615	return;	3118	return;
2616	}	3119	}
2617		3120
2618	$NOW = Event::time;	3121	$NOW = $tick_start = Event::time;
2619		3122
2620	cf::server_tick; # one server iteration	3123	cf::server_tick; # one server iteration
		3124
		3125	0 && sync_job {#d#
		3126	for(1..10) {
		3127	my $t = Event::time;
		3128	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3129	or die;
		3130
		3131	$map->width (50);
		3132	$map->height (50);
		3133	$map->alloc;
		3134	$map->_load_objects ("/tmp/x.map", 1);
		3135	my $t = Event::time - $t;
		3136
		3137	#next unless $t < 0.0013;#d#
		3138	if ($t < $min) {
		3139	$min = $t;
		3140	}
		3141	$avg = $avg * 0.99 + $t * 0.01;
		3142	}
		3143	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3144	exit 0;
		3145	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3146	};
		3147
2621	$RUNTIME += $TICK;	3148	$RUNTIME += $TICK;
2622	$NEXT_TICK += $TICK;	3149	$NEXT_TICK += $TICK;
2623		3150
2624	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3151	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2625	$NEXT_RUNTIME_WRITE = $NOW + 10;	3152	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2627	write_runtime	3154	write_runtime
2628	or warn "ERROR: unable to write runtime file: $!";	3155	or warn "ERROR: unable to write runtime file: $!";
2629	};	3156	};
2630	}	3157	}
2631		3158
2632	$WAIT_FOR_TICK->broadcast;
2633	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2634
2635	# my $AFTER = Event::time;	3159	# my $AFTER = Event::time;
2636	# warn $AFTER - $NOW;#d#	3160	# warn $AFTER - $NOW;#d#
2637		3161
		3162	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3163	$sig->send;
		3164	}
		3165	while (my $sig = shift @WAIT_FOR_TICK) {
		3166	$sig->send;
		3167	}
		3168
		3169	$NOW = Event::time;
		3170
2638	# if we are delayed by four ticks or more, skip them all	3171	# if we are delayed by four ticks or more, skip them all
2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3172	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2640		3173
2641	$TICK_WATCHER->at ($NEXT_TICK);	3174	$TICK_WATCHER->at ($NEXT_TICK);
2642	$TICK_WATCHER->start;	3175	$TICK_WATCHER->start;
		3176
		3177	$LOAD = ($NOW - $tick_start) / $TICK;
		3178	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3179
		3180	_post_tick;
		3181
		3182
2643	},	3183	},
2644	);	3184	);
2645		3185
2646	{	3186	{
2647	BDB::max_poll_time $TICK * 0.1;	3187	BDB::max_poll_time $TICK * 0.1;
…		…
2675		3215
2676	cf::sync_job {	3216	cf::sync_job {
2677	eval {	3217	eval {
2678	BDB::db_env_open	3218	BDB::db_env_open
2679	$DB_ENV,	3219	$DB_ENV,
2680	$BDB_ENV_DIR,	3220	$BDBDIR,
2681	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3221	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2682	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3222	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2683	0666;	3223	0666;
2684		3224
2685	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3225	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2686		3226
2687	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3227	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2688	$DB_ENV->set_lk_detect;	3228	$DB_ENV->set_lk_detect;
2689	};	3229	};
2690		3230
…		…
2706	prio => 6,	3246	prio => 6,
2707	cb => \&IO::AIO::poll_cb,	3247	cb => \&IO::AIO::poll_cb,
2708	);	3248	);
2709	}	3249	}
2710		3250
		3251	my $_log_backtrace;
		3252
		3253	sub _log_backtrace {
		3254	my ($msg, @addr) = @_;
		3255
		3256	$msg =~ s/\n//;
		3257
		3258	# limit the # of concurrent backtraces
		3259	if ($_log_backtrace < 2) {
		3260	++$_log_backtrace;
		3261	async {
		3262	my @bt = fork_call {
		3263	@addr = map { sprintf "%x", $_ } @addr;
		3264	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3265	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3266	or die "addr2line: $!";
		3267
		3268	my @funcs;
		3269	my @res = <$fh>;
		3270	chomp for @res;
		3271	while (@res) {
		3272	my ($func, $line) = splice @res, 0, 2, ();
		3273	push @funcs, "[$func] $line";
		3274	}
		3275
		3276	@funcs
		3277	};
		3278
		3279	LOG llevInfo, "[ABT] $msg\n";
		3280	LOG llevInfo, "[ABT] $_\n" for @bt;
		3281	--$_log_backtrace;
		3282	};
		3283	} else {
		3284	LOG llevInfo, "[ABT] $msg\n";
		3285	LOG llevInfo, "[ABT] [suppressed]\n";
		3286	}
		3287	}
		3288
		3289	# load additional modules
		3290	use cf::pod;
		3291
2711	END { cf::emergency_save }	3292	END { cf::emergency_save }
2712		3293
2713	1	3294	1
2714		3295

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