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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 1.298 by root, Sun Jul 8 14:50:07 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 = $cf::RUNTIME + 90 + 10;	414	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	415	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		416
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
363	and return;	418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
364		421
365	# always fsync - this file is important	422	if (my $pid = fork) {
366	aio_fsync $fh
367	and return;
368
369	close $fh	423	close $fh2;
370	or return;
371		424
372	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
373	and return;	426	warn "pst<$res>" unless $res =~ /^pst/;
		427	$res = Coro::Storable::thaw $res;
374		428
		429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		430
		431	Carp::confess $$res unless "ARRAY" eq ref $res;
		432
		433	return wantarray ? @$res : $res->[-1];
		434	} else {
		435	reset_signals;
		436	local $SIG{__WARN__};
		437	local $SIG{__DIE__};
		438	local $Coro::idle;
		439	$Coro::current->prio (Coro::PRIO_MAX);
		440	eval {
		441	close $fh1;
		442
		443	my @res = eval { $cb->(@args) };
		444
		445	open my $fh, ">", \my $buf
		446	or die "fork_call: cannot open fh-to-buf in child : $!";
		447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
		448	close $fh;
		449
		450	warn "writing ", length $buf;
		451	my $x;
		452	(length $buf) == ($x = syswrite $fh2, $buf)
		453	or warn "error writing ".(length $buf)." != $x\n";
		454	close $fh2;
		455	};
		456
		457	warn $@ if $@;
		458	_exit 0;
375	1	459	}
		460	}
		461
		462	=item $value = cf::db_get $family => $key
		463
		464	Returns a single value from the environment database.
		465
		466	=item cf::db_put $family => $key => $value
		467
		468	Stores the given C<$value> in the family. It can currently store binary
		469	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		470
		471	=cut
		472
		473	our $DB;
		474
		475	sub db_init {
		476	unless ($DB) {
		477	$DB = BDB::db_create $DB_ENV;
		478
		479	cf::sync_job {
		480	eval {
		481	$DB->set_flags (BDB::CHKSUM);
		482
		483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		485	cf::cleanup "db_open(db): $!" if $!;
		486	};
		487	cf::cleanup "db_open(db): $@" if $@;
		488	};
		489	}
		490	}
		491
		492	sub db_get($$) {
		493	my $key = "$_[0]/$_[1]";
		494
		495	cf::sync_job {
		496	BDB::db_get $DB, undef, $key, my $data;
		497
		498	$! ? ()
		499	: $data
		500	}
		501	}
		502
		503	sub db_put($$$) {
		504	BDB::dbreq_pri 4;
		505	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		506	}
		507
		508	=item cf::cache $id => [$paths...], $processversion => $process
		509
		510	Generic caching function that returns the value of the resource $id,
		511	caching and regenerating as required.
		512
		513	This function can block.
		514
		515	=cut
		516
		517	sub cache {
		518	my ($id, $src, $processversion, $process) = @_;
		519
		520	my $meta =
		521	join "\x00",
		522	$processversion,
		523	map {
		524	aio_stat $_
		525	and Carp::croak "$_: $!";
		526
		527	($_, (stat _)[7,9])
		528	} @$src;
		529
		530	my $dbmeta = db_get cache => "$id/meta";
		531	if ($dbmeta ne $meta) {
		532	# changed, we may need to process
		533
		534	my @data;
		535	my $md5;
		536
		537	for (0 .. $#$src) {
		538	0 <= aio_load $src->[$_], $data[$_]
		539	or Carp::croak "$src->[$_]: $!";
		540	}
		541
		542	# if processing is expensive, check
		543	# checksum first
		544	if (1) {
		545	$md5 =
		546	join "\x00",
		547	$processversion,
		548	map {
		549	Coro::cede;
		550	($src->[$_], Digest::MD5::md5_hex $data[$_])
		551	} 0.. $#$src;
		552
		553
		554	my $dbmd5 = db_get cache => "$id/md5";
		555	if ($dbmd5 eq $md5) {
		556	db_put cache => "$id/meta", $meta;
		557
		558	return db_get cache => "$id/data";
		559	}
		560	}
		561
		562	my $t1 = Time::HiRes::time;
		563	my $data = $process->(\@data);
		564	my $t2 = Time::HiRes::time;
		565
		566	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		567
		568	db_put cache => "$id/data", $data;
		569	db_put cache => "$id/md5" , $md5;
		570	db_put cache => "$id/meta", $meta;
		571
		572	return $data;
		573	}
		574
		575	db_get cache => "$id/data"
376	}	576	}
377		577
378	=item cf::datalog type => key => value, ...	578	=item cf::datalog type => key => value, ...
379		579
380	Log a datalog packet of the given type with the given key-value pairs.	580	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")	598	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	599	to it. All such attachable objects support the following methods.
400		600
401	In the following description, CLASS can be any of C<global>, C<object>	601	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	602	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	603	Crossfire TRT).
404		604
405	=over 4	605	=over 4
406		606
407	=item $attachable->attach ($attachment, key => $value...)	607	=item $attachable->attach ($attachment, key => $value...)
408		608
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	771	$registry = $CB_TYPE[$object_type] ||= [];
572		772
573	} elsif ($type eq "subtype") {	773	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	774	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	775	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	776	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		777
578	} elsif ($type eq "package") {	778	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	779	my $pkg = shift @arg;
580		780
581	while (my ($name, $id) = each %cb_id) {	781	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	810	_attach $registry, $klass, @attach;
611	}	811	}
612		812
613	$obj->{$name} = \%arg;	813	$obj->{$name} = \%arg;
614	} else {	814	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	815	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	816	}
617		817
618	$obj->{_attachment}{$name} = undef;	818	$obj->{_attachment}{$name} = undef;
619	}	819	}
620		820
…		…
622	if (ref $_[0]) {	822	if (ref $_[0]) {
623	_object_attach @_;	823	_object_attach @_;
624	} else {	824	} else {
625	_attach shift->_attach_registry, @_;	825	_attach shift->_attach_registry, @_;
626	}	826	}
		827	_recalc_want;
627	};	828	};
628		829
629	# all those should be optimised	830	# all those should be optimised
630	sub cf::attachable::detach {	831	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	832	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	835	delete $obj->{_attachment}{$name};
635	reattach ($obj);	836	reattach ($obj);
636	} else {	837	} else {
637	Carp::croak "cannot, currently, detach class attachments";	838	Carp::croak "cannot, currently, detach class attachments";
638	}	839	}
		840	_recalc_want;
639	};	841	};
640		842
641	sub cf::attachable::attached {	843	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
643		845
…		…
816	or return;	1018	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };	1019	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1020	}
819		1021
820	warn sprintf "loading %s (%d)\n",	1022	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1023	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	1024	return ($data, $av);
823	}	1025	}
		1026
		1027	=head2 COMMAND CALLBACKS
		1028
		1029	=over 4
		1030
		1031	=cut
824		1032
825	#############################################################################	1033	#############################################################################
826	# command handling &c	1034	# command handling &c
827		1035
828	=item cf::register_command $name => \&callback($ob,$args);	1036	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1049	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1050	}
843		1051
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1052	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1053
846	Register a callbackf ro execution when the client sends an extcmd packet.	1054	Register a callback for execution when the client sends an (synchronous)
		1055	extcmd packet. Ext commands will be processed in the order they are
		1056	received by the server, like other user commands. The first argument is
		1057	the logged-in player. Ext commands can only be processed after a player
		1058	has logged in successfully.
847		1059
848	If the callback returns something, it is sent back as if reply was being	1060	If the callback returns something, it is sent back as if reply was being
849	called.	1061	called.
850		1062
		1063	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1064
		1065	Register a callback for execution when the client sends an (asynchronous)
		1066	exticmd packet. Exti commands are processed by the server as soon as they
		1067	are received, i.e. out of order w.r.t. other commands. The first argument
		1068	is a client socket. Exti commands can be received anytime, even before
		1069	log-in.
		1070
		1071	If the callback returns something, it is sent back as if reply was being
		1072	called.
		1073
851	=cut	1074	=cut
852		1075
853	sub register_extcmd {	1076	sub register_extcmd {
854	my ($name, $cb) = @_;	1077	my ($name, $cb) = @_;
855		1078
856	$EXTCMD{$name} = $cb;	1079	$EXTCMD{$name} = $cb;
		1080	}
		1081
		1082	sub register_exticmd {
		1083	my ($name, $cb) = @_;
		1084
		1085	$EXTICMD{$name} = $cb;
857	}	1086	}
858		1087
859	cf::player->attach (	1088	cf::player->attach (
860	on_command => sub {	1089	on_command => sub {
861	my ($pl, $name, $params) = @_;	1090	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1099	cf::override;
871	},	1100	},
872	on_extcmd => sub {	1101	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1102	my ($pl, $buf) = @_;
874		1103
875	my $msg = eval { from_json $buf };	1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1105
877	if (ref $msg) {	1106	if (ref $msg) {
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
879	if (my %reply = $cb->($pl, $msg)) {	1108	if (my %reply = $cb->($pl, $msg)) {
880	$pl->ext_reply ($msg->{msgid}, %reply);	1109	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
886		1115
887	cf::override;	1116	cf::override;
888	},	1117	},
889	);	1118	);
890		1119
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 {	1120	sub load_extensions {
		1121	cf::sync_job {
		1122	my %todo;
		1123
926	for my $ext (<$LIBDIR/*.ext>) {	1124	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1125	next unless -r $path;
928	eval {	1126
929	load_extension $ext;	1127	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1128	my $base = $1;
		1129	my $pkg = $1;
		1130	$pkg =~ s/[^[:word:]]/_/g;
		1131	$pkg = "ext::$pkg";
		1132
		1133	open my $fh, "<:utf8", $path
		1134	or die "$path: $!";
		1135
		1136	my $source = do { local $/; <$fh> };
		1137
		1138	my %ext = (
		1139	path => $path,
		1140	base => $base,
		1141	pkg => $pkg,
		1142	);
		1143
		1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1145	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1146
		1147	$ext{source} =
		1148	"package $pkg; use strict; use utf8;\n"
		1149	. "#line 1 \"$path\"\n{\n"
		1150	. $source
		1151	. "\n};\n1";
		1152
		1153	$todo{$base} = \%ext;
		1154	}
		1155
		1156	my %done;
		1157	while (%todo) {
		1158	my $progress;
		1159
		1160	while (my ($k, $v) = each %todo) {
		1161	for (split /,\s*/, $v->{meta}{depends}) {
		1162	goto skip
		1163	unless exists $done{$_};
		1164	}
		1165
		1166	warn "... loading '$k' into '$v->{pkg}'\n";
		1167
		1168	unless (eval $v->{source}) {
		1169	my $msg = $@ ? "$v->{path}: $@\n"
		1170	: "$v->{base}: extension inactive.\n";
		1171
		1172	if (exists $v->{meta}{mandatory}) {
		1173	warn $msg;
		1174	warn "mandatory extension failed to load, exiting.\n";
		1175	exit 1;
		1176	}
		1177
		1178	warn $msg;
		1179	}
		1180
		1181	$done{$k} = delete $todo{$k};
		1182	push @EXTS, $v->{pkg};
		1183	$progress = 1;
930	1	1184	}
931	} or warn "$ext not loaded: $@";	1185
		1186	skip:
		1187	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1188	unless $progress;
		1189	}
932	}	1190	};
933	}	1191	}
934		1192
935	#############################################################################	1193	#############################################################################
936		1194
		1195	=back
		1196
937	=head2 CORE EXTENSIONS	1197	=head2 CORE EXTENSIONS
938		1198
939	Functions and methods that extend core crossfire objects.	1199	Functions and methods that extend core crossfire objects.
940		1200
941	=cut	1201	=cut
…		…
953	Returns the given player object, loading it if necessary (might block).	1213	Returns the given player object, loading it if necessary (might block).
954		1214
955	=cut	1215	=cut
956		1216
957	sub playerdir($) {	1217	sub playerdir($) {
958	cf::localdir	1218	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1219	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1220	}
964		1221
965	sub path($) {	1222	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1223	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1086	while and may block, so not sync_job-capable, ever.	1343	while and may block, so not sync_job-capable, ever.
1087		1344
1088	=cut	1345	=cut
1089		1346
1090	sub list_logins {	1347	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1348	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1349	or return [];
1093		1350
1094	my @logins;	1351	my @logins;
1095		1352
1096	for my $login (@$dirs) {	1353	for my $login (@$dirs) {
…		…
1131	}	1388	}
1132		1389
1133	\@paths	1390	\@paths
1134	}	1391	}
1135		1392
		1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1394
		1395	Expand crossfire pod fragments into protocol xml.
		1396
		1397	=cut
		1398
		1399	sub expand_cfpod {
		1400	((my $self), (local $_)) = @_;
		1401
		1402	# escape & and <
		1403	s/&/&amp;/g;
		1404	s/(?<![BIUGH])</&lt;/g;
		1405
		1406	# this is buggy, it needs to properly take care of nested <'s
		1407
		1408	1 while
		1409	# replace B<>, I<>, U<> etc.
		1410	s/B<([^\>]*)>/<b>$1<\/b>/
		1411	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1412	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1413	# replace G<male|female> tags
		1414	|| s{G<([^>|]*)\|([^>]*)>}{
		1415	$self->gender ? $2 : $1
		1416	}ge
		1417	# replace H<hint text>
		1418	|| s{H<([^\>]*)>}
		1419	{
		1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1422	"")
		1423	[$self->{hintmode}]
		1424	}ge;
		1425
		1426	# create single paragraphs (very hackish)
		1427	s/(?<=\S)\n(?=\w)/ /g;
		1428
		1429	# compress some whitespace
		1430	s/\s+\n/\n/g; # ws line-ends
		1431	s/\n\n+/\n/g; # double lines
		1432	s/^\n+//; # beginning lines
		1433	s/\n+$//; # ending lines
		1434
		1435	$_
		1436	}
		1437
		1438	sub hintmode {
		1439	$_[0]{hintmode} = $_[1] if @_ > 1;
		1440	$_[0]{hintmode}
		1441	}
		1442
1136	=item $player->ext_reply ($msgid, %msg)	1443	=item $player->ext_reply ($msgid, %msg)
1137		1444
1138	Sends an ext reply to the player.	1445	Sends an ext reply to the player.
1139		1446
1140	=cut	1447	=cut
1141		1448
1142	sub ext_reply($$%) {	1449	sub ext_reply($$%) {
1143	my ($self, $id, %msg) = @_;	1450	my ($self, $id, %msg) = @_;
1144		1451
1145	$msg{msgid} = $id;	1452	$msg{msgid} = $id;
1146		1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1454	}
1149		1455
1150	=item $player->ext_event ($type, %msg)	1456	=item $player->ext_event ($type, %msg)
1151		1457
1152	Sends an ext event to the client.	1458	Sends an ext event to the client.
…		…
1157	my ($self, $type, %msg) = @_;	1463	my ($self, $type, %msg) = @_;
1158		1464
1159	$self->ns->ext_event ($type, %msg);	1465	$self->ns->ext_event ($type, %msg);
1160	}	1466	}
1161		1467
1162	package cf;	1468	=head3 cf::region
		1469
		1470	=over 4
		1471
		1472	=cut
		1473
		1474	package cf::region;
		1475
		1476	=item cf::region::find_by_path $path
		1477
		1478	Tries to decuce the likely region for a map knowing only its path.
		1479
		1480	=cut
		1481
		1482	sub find_by_path($) {
		1483	my ($path) = @_;
		1484
		1485	my ($match, $specificity);
		1486
		1487	for my $region (list) {
		1488	if ($region->match && $path =~ $region->match) {
		1489	($match, $specificity) = ($region, $region->specificity)
		1490	if $region->specificity > $specificity;
		1491	}
		1492	}
		1493
		1494	$match
		1495	}
1163		1496
1164	=back	1497	=back
1165
1166		1498
1167	=head3 cf::map	1499	=head3 cf::map
1168		1500
1169	=over 4	1501	=over 4
1170		1502
…		…
1225	my ($self, $merge) = @_;	1557	my ($self, $merge) = @_;
1226		1558
1227	# we have to keep some variables in memory intact	1559	# we have to keep some variables in memory intact
1228	local $self->{path};	1560	local $self->{path};
1229	local $self->{load_path};	1561	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1562
1233	$self->SUPER::thawer_merge ($merge);	1563	$self->SUPER::thawer_merge ($merge);
1234	}	1564	}
1235		1565
1236	sub normalise {	1566	sub normalise {
…		…
1308		1638
1309	# the original (read-only) location	1639	# the original (read-only) location
1310	sub load_path {	1640	sub load_path {
1311	my ($self) = @_;	1641	my ($self) = @_;
1312		1642
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1643	"$MAPDIR/$self->{path}.map"
1314	}	1644	}
1315		1645
1316	# the temporary/swap location	1646	# the temporary/swap location
1317	sub save_path {	1647	sub save_path {
1318	my ($self) = @_;	1648	my ($self) = @_;
1319		1649
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1651	"$TMPDIR/$path.map"
1322	}	1652	}
1323		1653
1324	# the unique path, undef == no special unique path	1654	# the unique path, undef == no special unique path
1325	sub uniq_path {	1655	sub uniq_path {
1326	my ($self) = @_;	1656	my ($self) = @_;
1327		1657
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1659	"$UNIQUEDIR/$path"
1330	}	1660	}
1331		1661
1332	# and all this just because we cannot iterate over	1662	# and all this just because we cannot iterate over
1333	# all maps in C++...	1663	# all maps in C++...
1334	sub change_all_map_light {	1664	sub change_all_map_light {
1335	my ($change) = @_;	1665	my ($change) = @_;
1336		1666
1337	$_->change_map_light ($change)	1667	$_->change_map_light ($change)
1338	for grep $_->outdoor, values %cf::MAP;	1668	for grep $_->outdoor, values %cf::MAP;
		1669	}
		1670
		1671	sub decay_objects {
		1672	my ($self) = @_;
		1673
		1674	return if $self->{deny_reset};
		1675
		1676	$self->do_decay_objects;
1339	}	1677	}
1340		1678
1341	sub unlink_save {	1679	sub unlink_save {
1342	my ($self) = @_;	1680	my ($self) = @_;
1343		1681
…		…
1401	$self->load_header_orig	1739	$self->load_header_orig
1402	or return;	1740	or return;
1403	$self->prepare_orig;	1741	$self->prepare_orig;
1404	}	1742	}
1405		1743
		1744	$self->{deny_reset} = 1
		1745	if $self->no_reset;
		1746
		1747	$self->default_region (cf::region::find_by_path $self->{path})
		1748	unless $self->default_region;
		1749
1406	1	1750	1
1407	}	1751	}
1408		1752
1409	sub find;	1753	sub find;
1410	sub find {	1754	sub find {
…		…
1422	$map->{last_save} = $cf::RUNTIME;	1766	$map->{last_save} = $cf::RUNTIME;
1423		1767
1424	$map->load_header	1768	$map->load_header
1425	or return;	1769	or return;
1426		1770
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	1772	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	1773	#$cf::WAIT_FOR_TICK->wait;
1430	$map->reset;	1774	$map->reset;
1431	undef $guard;	1775	undef $guard;
1432	return find $path;	1776	return find $path;
…		…
1443	my ($self) = @_;	1787	my ($self) = @_;
1444		1788
1445	local $self->{deny_reset} = 1; # loading can take a long time	1789	local $self->{deny_reset} = 1; # loading can take a long time
1446		1790
1447	my $path = $self->{path};	1791	my $path = $self->{path};
		1792
		1793	{
1448	my $guard = cf::lock_acquire "map_load:$path";	1794	my $guard = cf::lock_acquire "map_load:$path";
1449		1795
1450	return if $self->in_memory != cf::MAP_SWAPPED;	1796	return if $self->in_memory != cf::MAP_SWAPPED;
1451		1797
1452	$self->in_memory (cf::MAP_LOADING);	1798	$self->in_memory (cf::MAP_LOADING);
1453		1799
1454	$self->alloc;	1800	$self->alloc;
1455		1801
1456	$self->pre_load;	1802	$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;	1803	Coro::cede;
1482	$self->set_darkness_map;	1804
		1805	$self->_load_objects ($self->{load_path}, 1)
		1806	or return;
		1807
		1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1809	if delete $self->{load_original};
		1810
		1811	if (my $uniq = $self->uniq_path) {
		1812	utf8::encode $uniq;
		1813	if (aio_open $uniq, O_RDONLY, 0) {
		1814	$self->clear_unique_items;
		1815	$self->_load_objects ($uniq, 0);
		1816	}
		1817	}
		1818
		1819	Coro::cede;
		1820	# now do the right thing for maps
		1821	$self->link_multipart_objects;
1483	$self->difficulty ($self->estimate_difficulty)	1822	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	1823	unless $self->difficulty;
1485	Coro::cede;	1824	Coro::cede;
		1825
		1826	unless ($self->{deny_activate}) {
		1827	$self->decay_objects;
		1828	$self->fix_auto_apply;
		1829	$self->update_buttons;
		1830	Coro::cede;
		1831	$self->set_darkness_map;
		1832	Coro::cede;
1486	$self->activate;	1833	$self->activate;
		1834	}
		1835
		1836	$self->in_memory (cf::MAP_IN_MEMORY);
1487	}	1837	}
1488		1838
1489	$self->post_load;	1839	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	1840	}
1493		1841
1494	sub customise_for {	1842	sub customise_for {
1495	my ($self, $ob) = @_;	1843	my ($self, $ob) = @_;
1496		1844
1497	return find "~" . $ob->name . "/" . $self->{path}	1845	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	1846	if $self->per_player;
		1847
		1848	# return find "?party/" . $ob->name . "/" . $self->{path}
		1849	# if $self->per_party;
1499		1850
1500	$self	1851	$self
1501	}	1852	}
1502		1853
1503	# find and load all maps in the 3x3 area around a map	1854	# find and load all maps in the 3x3 area around a map
…		…
1614		1965
1615	sub reset_at {	1966	sub reset_at {
1616	my ($self) = @_;	1967	my ($self) = @_;
1617		1968
1618	# TODO: safety, remove and allow resettable per-player maps	1969	# 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};	1970	return 1e99 if $self->{deny_reset};
1621		1971
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1972	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1973	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		1974
…		…
1635	my ($self) = @_;	1985	my ($self) = @_;
1636		1986
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	1987	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		1988
1639	return if $self->players;	1989	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		1990
1642	warn "resetting map ", $self->path;#d#	1991	warn "resetting map ", $self->path;
1643		1992
1644	$self->in_memory (cf::MAP_SWAPPED);	1993	$self->in_memory (cf::MAP_SWAPPED);
1645		1994
1646	# need to save uniques path	1995	# need to save uniques path
1647	unless ($self->{deny_save}) {	1996	unless ($self->{deny_save}) {
…		…
1679	$cf::MAP{$self->path} = $self;	2028	$cf::MAP{$self->path} = $self;
1680		2029
1681	$self->reset; # polite request, might not happen	2030	$self->reset; # polite request, might not happen
1682	}	2031	}
1683		2032
		2033	=item $maps = cf::map::tmp_maps
		2034
		2035	Returns an arrayref with all map paths of currently instantiated and saved
		2036	maps. May block.
		2037
		2038	=cut
		2039
		2040	sub tmp_maps() {
		2041	[
		2042	map {
		2043	utf8::decode $_;
		2044	/\.map$/
		2045	? normalise $_
		2046	: ()
		2047	} @{ aio_readdir $TMPDIR or [] }
		2048	]
		2049	}
		2050
		2051	=item $maps = cf::map::random_maps
		2052
		2053	Returns an arrayref with all map paths of currently instantiated and saved
		2054	random maps. May block.
		2055
		2056	=cut
		2057
		2058	sub random_maps() {
		2059	[
		2060	map {
		2061	utf8::decode $_;
		2062	/\.map$/
		2063	? normalise "?random/$_"
		2064	: ()
		2065	} @{ aio_readdir $RANDOMDIR or [] }
		2066	]
		2067	}
		2068
1684	=item cf::map::unique_maps	2069	=item cf::map::unique_maps
1685		2070
1686	Returns an arrayref of paths of all shared maps that have	2071	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2072	instantiated unique items. May block.
1688		2073
1689	=cut	2074	=cut
1690		2075
1691	sub unique_maps() {	2076	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2077	[
1693	or return;	2078	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2079	utf8::decode $_;
1699	next if /\.pst$/;	2080	/\.map$/
1700	next unless /^$PATH_SEP/o;	2081	? normalise $_
1701		2082	: ()
1702	push @paths, cf::map::normalise $_;	2083	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2084	]
1704
1705	\@paths
1706	}	2085	}
1707		2086
1708	package cf;	2087	package cf;
1709		2088
1710	=back	2089	=back
…		…
1756		2135
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2136	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2137
1759	if ($self->{record_replies}) {	2138	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2139	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2140
1761	} else {	2141	} else {
		2142	my $pl = $self->contr;
		2143
		2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2145	my $diag = $pl->{npc_dialog};
		2146	$diag->{pl}->ext_reply (
		2147	$diag->{id},
		2148	msgtype => "reply",
		2149	msg => $diag->{pl}->expand_cfpod ($msg),
		2150	add_topics => []
		2151	);
		2152
		2153	} else {
1762	$msg = $npc->name . " says: $msg" if $npc;	2154	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2155	$self->message ($msg, $flags);
		2156	}
1764	}	2157	}
1765	}	2158	}
1766		2159
1767	=item $player_object->may ("access")	2160	=item $player_object->may ("access")
1768		2161
…		…
1816	$self->deactivate_recursive;	2209	$self->deactivate_recursive;
1817		2210
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2211	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2212
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2213	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2214	if $self->map && $self->map->{path} ne "{link}";
1822		2215
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2216	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1824	}	2217	}
1825		2218
1826	sub cf::object::player::leave_link {	2219	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2220	my ($self, $map, $x, $y) = @_;
		2221
		2222	return unless $self->contr->active;
1828		2223
1829	my $link_pos = delete $self->{_link_pos};	2224	my $link_pos = delete $self->{_link_pos};
1830		2225
1831	unless ($map) {	2226	unless ($map) {
1832	# restore original map position	2227	# restore original map position
…		…
1855		2250
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2252	$self->enter_map ($map, $x, $y);
1858	}	2253	}
1859		2254
1860	cf::player->attach (
1861	on_logout => sub {
1862	my ($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)	2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1893		2256
		2257	Moves the player to the given map-path and coordinates by first freezing
		2258	her, loading and preparing them map, calling the provided $check callback
		2259	that has to return the map if sucecssful, and then unfreezes the player on
		2260	the new (success) or old (failed) map position.
		2261
1894	=cut	2262	=cut
		2263
		2264	our $GOTOGEN;
1895		2265
1896	sub cf::object::player::goto {	2266	sub cf::object::player::goto {
1897	my ($self, $path, $x, $y) = @_;	2267	my ($self, $path, $x, $y, $check) = @_;
		2268
		2269	# do generation counting so two concurrent goto's will be executed in-order
		2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898		2271
1899	$self->enter_link;	2272	$self->enter_link;
1900		2273
1901	(async {	2274	(async {
1902	my $map = eval {	2275	my $map = eval {
1903	my $map = cf::map::find $path;	2276	my $map = cf::map::find $path;
		2277
		2278	if ($map) {
1904	$map = $map->customise_for ($self) if $map;	2279	$map = $map->customise_for ($self);
		2280	$map = $check->($map) if $check && $map;
		2281	} else {
		2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2283	}
		2284
1905	$map	2285	$map
		2286	};
		2287
		2288	if ($@) {
		2289	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2290	LOG llevError | logBacktrace, Carp::longmess $@;
1906	} or	2291	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2292
		2293	if ($gen == $self->{_goto_generation}) {
		2294	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2295	$self->leave_link ($map, $x, $y);
		2296	}
1910	})->prio (1);	2297	})->prio (1);
1911	}	2298	}
1912		2299
1913	=item $player_object->enter_exit ($exit_object)	2300	=item $player_object->enter_exit ($exit_object)
1914		2301
…		…
1953		2340
1954	$rmp->{random_seed} ||= $exit->random_seed;	2341	$rmp->{random_seed} ||= $exit->random_seed;
1955		2342
1956	my $data = cf::to_json $rmp;	2343	my $data = cf::to_json $rmp;
1957	my $md5 = Digest::MD5::md5_hex $data;	2344	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2345	my $meta = "$RANDOMDIR/$md5.meta";
1959		2346
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2348	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2349	undef $fh;
1963	aio_rename "$meta~", $meta;	2350	aio_rename "$meta~", $meta;
…		…
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2369	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;	2370	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;	2371	my $sp = $exit->stats->sp;
1985		2372
1986	$self->enter_link;	2373	$self->enter_link;
		2374
		2375	# if exit is damned, update players death & WoR home-position
		2376	$self->contr->savebed ($slaying, $hp, $sp)
		2377	if $exit->flag (FLAG_DAMNED);
1987		2378
1988	(async {	2379	(async {
1989	$self->deactivate_recursive; # just to be sure	2380	$self->deactivate_recursive; # just to be sure
1990	unless (eval {	2381	unless (eval {
1991	$self->goto ($slaying, $hp, $sp);	2382	$self->goto ($slaying, $hp, $sp);
…		…
2019		2410
2020	utf8::encode $text;	2411	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2413	}
2023		2414
		2415	=item $client->send_msg ($color, $type, $msg, [extra...])
		2416
		2417	Send a drawinfo or msg packet to the client, formatting the msg for the
		2418	client if neccessary. C<$type> should be a string identifying the type of
		2419	the message, with C<log> being the default. If C<$color> is negative, suppress
		2420	the message unless the client supports the msg packet.
		2421
		2422	=cut
		2423
		2424	sub cf::client::send_msg {
		2425	my ($self, $color, $type, $msg, @extra) = @_;
		2426
		2427	$msg = $self->pl->expand_cfpod ($msg);
		2428
		2429	return unless @extra || length $msg;
		2430
		2431	if ($self->can_msg) {
		2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2433	} else {
		2434	# replace some tags by gcfclient-compatible ones
		2435	for ($msg) {
		2436	1 while
		2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2438	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2439	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2440	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2441	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2442	}
		2443
		2444	if ($color >= 0) {
		2445	if (0 && $msg =~ /\[/) {
		2446	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2447	} else {
		2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2449	$self->send_packet ("drawinfo $color $msg")
		2450	}
		2451	}
		2452	}
		2453	}
		2454
2024	=item $client->ext_event ($type, %msg)	2455	=item $client->ext_event ($type, %msg)
2025		2456
2026	Sends an exti event to the client.	2457	Sends an ext event to the client.
2027		2458
2028	=cut	2459	=cut
2029		2460
2030	sub cf::client::ext_event($$%) {	2461	sub cf::client::ext_event($$%) {
2031	my ($self, $type, %msg) = @_;	2462	my ($self, $type, %msg) = @_;
2032		2463
2033	$msg{msgtype} = "event_$type";	2464	$msg{msgtype} = "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2035	}	2466	}
2036		2467
2037	=item $success = $client->query ($flags, "text", \&cb)	2468	=item $success = $client->query ($flags, "text", \&cb)
2038		2469
2039	Queues a query to the client, calling the given callback with	2470	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>,	2471	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>.	2472	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		2473
2043	Queries can fail, so check the return code. Or don't, as queries will become	2474	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	2475	become reliable at some point in the future.
2045		2476
2046	=cut	2477	=cut
2047		2478
2048	sub cf::client::query {	2479	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	2480	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	2488	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2489	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		2490
2060	$self->send_packet ($self->{query_queue}[0][0])	2491	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	2492	if @{ $self->{query_queue} } == 1;
		2493
		2494	1
2062	}	2495	}
2063		2496
2064	cf::client->attach (	2497	cf::client->attach (
		2498	on_connect => sub {
		2499	my ($ns) = @_;
		2500
		2501	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2502	},
2065	on_reply => sub {	2503	on_reply => sub {
2066	my ($ns, $msg) = @_;	2504	my ($ns, $msg) = @_;
2067		2505
2068	# this weird shuffling is so that direct followup queries	2506	# this weird shuffling is so that direct followup queries
2069	# get handled first	2507	# get handled first
…		…
2081	} else {	2519	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2520	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	2521	}
2084	}	2522	}
2085	},	2523	},
		2524	on_exticmd => sub {
		2525	my ($ns, $buf) = @_;
		2526
		2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2528
		2529	if (ref $msg) {
		2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2531	if (my %reply = $cb->($ns, $msg)) {
		2532	$reply{msgid} = $msg->{msgid};
		2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2534	}
		2535	}
		2536	} else {
		2537	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2538	}
		2539
		2540	cf::override;
		2541	},
2086	);	2542	);
2087		2543
2088	=item $client->async (\&cb)	2544	=item $client->async (\&cb)
2089		2545
2090	Create a new coroutine, running the specified callback. The coroutine will	2546	Create a new coroutine, running the specified callback. The coroutine will
…		…
2139		2595
2140	=pod	2596	=pod
2141		2597
2142	The following functions and methods are available within a safe environment:	2598	The following functions and methods are available within a safe environment:
2143		2599
2144	cf::object contr pay_amount pay_player map	2600	cf::object
		2601	contr pay_amount pay_player map x y force_find force_add
		2602	insert remove
		2603
2145	cf::object::player player	2604	cf::object::player
2146	cf::player peaceful	2605	player
2147	cf::map trigger	2606
		2607	cf::player
		2608	peaceful
		2609
		2610	cf::map
		2611	trigger
2148		2612
2149	=cut	2613	=cut
2150		2614
2151	for (	2615	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2617	insert remove)],
2153	["cf::object::player" => qw(player)],	2618	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	2619	["cf::player" => qw(peaceful)],
2155	["cf::map" => qw(trigger)],	2620	["cf::map" => qw(trigger)],
2156	) {	2621	) {
2157	no strict 'refs';	2622	no strict 'refs';
…		…
2228	=back	2693	=back
2229		2694
2230	=cut	2695	=cut
2231		2696
2232	#############################################################################	2697	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$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 $_[2], 0, sub { };
2302	}
2303
2304	#############################################################################
2305	# the server's init and main functions	2698	# the server's init and main functions
2306		2699
2307	sub load_facedata {	2700	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	2701	my ($path) = @_;
2309		2702
2310	warn "loading facedata from $path\n";	2703	warn "loading facedata from $path\n";
2311		2704
2312	my $faces;	2705	my $facedata;
2313	0 < aio_load $path, $faces	2706	0 < aio_load $path, $facedata
2314	or die "$path: $!";	2707	or die "$path: $!";
2315		2708
2316	Coro::cede;
2317	$faces = Storable::thaw $faces;	2709	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		2710
2320	my $meta = delete $faces->{""};
2321	$meta->{version} == 1	2711	$facedata->{version} == 2
2322	or cf::cleanup "$path: version mismatch, cannot proceed.";	2712	or cf::cleanup "$path: version mismatch, cannot proceed.";
2323		2713
		2714	{
		2715	my $faces = $facedata->{faceinfo};
		2716
2324	while (my ($face, $info) = each %$faces) {	2717	while (my ($face, $info) = each %$faces) {
2325	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2326	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2327	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2328	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2329	Coro::cede;	2722	Coro::cede;
2330	}	2723	}
2331		2724
2332	while (my ($face, $info) = each %$faces) {	2725	while (my ($face, $info) = each %$faces) {
2333	next unless $info->{smooth};	2726	next unless $info->{smooth};
2334	my $idx = cf::face::find $face	2727	my $idx = cf::face::find $face
2335	or next;	2728	or next;
2336	if (my $smooth = cf::face::find $info->{smooth}) {	2729	if (my $smooth = cf::face::find $info->{smooth}) {
2337	cf::face::set_smooth $idx, $smooth;	2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2338	} else {	2731	} else {
2339	warn "smooth face '$info->{smooth}' not found for face '$face'";	2732	warn "smooth face '$info->{smooth}' not found for face '$face'";
2340	}	2733	}
2341	Coro::cede;	2734	Coro::cede;
		2735	}
		2736	}
		2737
		2738	{
		2739	my $anims = $facedata->{animinfo};
		2740
		2741	while (my ($anim, $info) = each %$anims) {
		2742	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2743	Coro::cede;
		2744	}
		2745
		2746	cf::anim::invalidate_all; # d'oh
2342	}	2747	}
2343		2748
2344	1	2749	1
2345	}	2750	}
2346		2751
		2752	sub reload_regions {
		2753	load_resource_file "$MAPDIR/regions"
		2754	or die "unable to load regions file\n";
		2755	}
		2756
		2757	sub reload_facedata {
		2758	load_facedata "$DATADIR/facedata"
		2759	or die "unable to load facedata\n";
		2760	}
		2761
		2762	sub reload_archetypes {
		2763	load_resource_file "$DATADIR/archetypes"
		2764	or die "unable to load archetypes\n";
		2765	#d# NEED to laod twice to resolve forward references
		2766	# this really needs to be done in an extra post-pass
		2767	# (which needs to be synchronous, so solve it differently)
		2768	load_resource_file "$DATADIR/archetypes"
		2769	or die "unable to load archetypes\n";
		2770	}
		2771
		2772	sub reload_treasures {
		2773	load_resource_file "$DATADIR/treasures"
		2774	or die "unable to load treasurelists\n";
		2775	}
		2776
2347	sub reload_resources {	2777	sub reload_resources {
2348	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2778	warn "reloading resource files...\n";
2349	or die "unable to load regions file\n";#d#	2779
		2780	reload_regions;
2350	load_facedata	2781	reload_facedata;
2351	or die "unable to load facedata\n";#d#	2782	#reload_archetypes;#d#
		2783	reload_archetypes;
		2784	reload_treasures;
		2785
		2786	warn "finished reloading resource files\n";
2352	}	2787	}
2353		2788
2354	sub init {	2789	sub init {
2355	reload_resources;	2790	reload_resources;
2356	}	2791	}
2357		2792
2358	sub cfg_load {	2793	sub cfg_load {
2359	open my $fh, "<:utf8", cf::confdir . "/config"	2794	open my $fh, "<:utf8", "$CONFDIR/config"
2360	or return;	2795	or return;
2361		2796
2362	local $/;	2797	local $/;
2363	*CFG = YAML::Syck::Load <$fh>;	2798	*CFG = YAML::Syck::Load <$fh>;
2364		2799
…		…
2409	},	2844	},
2410	);	2845	);
2411	}	2846	}
2412	}	2847	}
2413		2848
		2849	sub write_runtime {
		2850	my $runtime = "$LOCALDIR/runtime";
		2851
		2852	# first touch the runtime file to show we are still running:
		2853	# the fsync below can take a very very long time.
		2854
		2855	IO::AIO::aio_utime $runtime, undef, undef;
		2856
		2857	my $guard = cf::lock_acquire "write_runtime";
		2858
		2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2860	or return;
		2861
		2862	my $value = $cf::RUNTIME + 90 + 10;
		2863	# 10 is the runtime save interval, for a monotonic clock
		2864	# 60 allows for the watchdog to kill the server.
		2865
		2866	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2867	and return;
		2868
		2869	# always fsync - this file is important
		2870	aio_fsync $fh
		2871	and return;
		2872
		2873	# touch it again to show we are up-to-date
		2874	aio_utime $fh, undef, undef;
		2875
		2876	close $fh
		2877	or return;
		2878
		2879	aio_rename "$runtime~", $runtime
		2880	and return;
		2881
		2882	warn "runtime file written.\n";
		2883
		2884	1
		2885	}
		2886
2414	sub emergency_save() {	2887	sub emergency_save() {
2415	my $freeze_guard = cf::freeze_mainloop;	2888	my $freeze_guard = cf::freeze_mainloop;
2416		2889
2417	warn "enter emergency perl save\n";	2890	warn "enter emergency perl save\n";
2418		2891
…		…
2449		2922
2450	warn Carp::longmess "post_cleanup backtrace"	2923	warn Carp::longmess "post_cleanup backtrace"
2451	if $make_core;	2924	if $make_core;
2452	}	2925	}
2453		2926
2454	sub reload() {	2927	sub do_reload_perl() {
2455	# can/must only be called in main	2928	# can/must only be called in main
2456	if ($Coro::current != $Coro::main) {	2929	if ($Coro::current != $Coro::main) {
2457	warn "can only reload from main coroutine";	2930	warn "can only reload from main coroutine";
2458	return;	2931	return;
2459	}	2932	}
…		…
2493	%EXT_CORO = ();	2966	%EXT_CORO = ();
2494		2967
2495	warn "removing commands";	2968	warn "removing commands";
2496	%COMMAND = ();	2969	%COMMAND = ();
2497		2970
2498	warn "removing ext commands";	2971	warn "removing ext/exti commands";
2499	%EXTCMD = ();	2972	%EXTCMD = ();
		2973	%EXTICMD = ();
2500		2974
2501	warn "unloading/nuking all extensions";	2975	warn "unloading/nuking all extensions";
2502	for my $pkg (@EXTS) {	2976	for my $pkg (@EXTS) {
2503	warn "... unloading $pkg";	2977	warn "... unloading $pkg";
2504		2978
…		…
2534	Symbol::delete_package "safe::$_"	3008	Symbol::delete_package "safe::$_"
2535	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3009	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2536		3010
2537	warn "unloading cf.pm \"a bit\"";	3011	warn "unloading cf.pm \"a bit\"";
2538	delete $INC{"cf.pm"};	3012	delete $INC{"cf.pm"};
		3013	delete $INC{"cf/pod.pm"};
2539		3014
2540	# don't, removes xs symbols, too,	3015	# don't, removes xs symbols, too,
2541	# and global variables created in xs	3016	# and global variables created in xs
2542	#Symbol::delete_package __PACKAGE__;	3017	#Symbol::delete_package __PACKAGE__;
2543		3018
…		…
2558	warn "reattaching attachments to maps";	3033	warn "reattaching attachments to maps";
2559	reattach $_ for values %MAP;	3034	reattach $_ for values %MAP;
2560	warn "reattaching attachments to players";	3035	warn "reattaching attachments to players";
2561	reattach $_ for values %PLAYER;	3036	reattach $_ for values %PLAYER;
2562		3037
2563	warn "loading reloadable resources";
2564	reload_resources;
2565
2566	warn "leaving sync_job";	3038	warn "leaving sync_job";
2567		3039
2568	1	3040	1
2569	} or do {	3041	} or do {
2570	warn $@;	3042	warn $@;
…		…
2575	warn "reloaded";	3047	warn "reloaded";
2576	};	3048	};
2577		3049
2578	our $RELOAD_WATCHER; # used only during reload	3050	our $RELOAD_WATCHER; # used only during reload
2579		3051
		3052	sub reload_perl() {
		3053	# doing reload synchronously and two reloads happen back-to-back,
		3054	# coro crashes during coro_state_free->destroy here.
		3055
		3056	$RELOAD_WATCHER ||= Event->timer (
		3057	reentrant => 0,
		3058	after => 0,
		3059	data => WF_AUTOCANCEL,
		3060	cb => sub {
		3061	do_reload_perl;
		3062	undef $RELOAD_WATCHER;
		3063	},
		3064	);
		3065	}
		3066
2580	register_command "reload" => sub {	3067	register_command "reload" => sub {
2581	my ($who, $arg) = @_;	3068	my ($who, $arg) = @_;
2582		3069
2583	if ($who->flag (FLAG_WIZ)) {	3070	if ($who->flag (FLAG_WIZ)) {
2584	$who->message ("reloading server.");	3071	$who->message ("reloading server.");
2585		3072	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	}	3073	}
2599	};	3074	};
2600		3075
2601	unshift @INC, $LIBDIR;	3076	unshift @INC, $LIBDIR;
2602		3077
2603	my $bug_warning = 0;	3078	my $bug_warning = 0;
2604		3079
		3080	our @WAIT_FOR_TICK;
		3081	our @WAIT_FOR_TICK_BEGIN;
		3082
		3083	sub wait_for_tick {
		3084	return unless $TICK_WATCHER->is_active;
		3085	return if $Coro::current == $Coro::main;
		3086
		3087	my $signal = new Coro::Signal;
		3088	push @WAIT_FOR_TICK, $signal;
		3089	$signal->wait;
		3090	}
		3091
		3092	sub wait_for_tick_begin {
		3093	return unless $TICK_WATCHER->is_active;
		3094	return if $Coro::current == $Coro::main;
		3095
		3096	my $signal = new Coro::Signal;
		3097	push @WAIT_FOR_TICK_BEGIN, $signal;
		3098	$signal->wait;
		3099	}
		3100
		3101	my $min = 1e6;#d#
		3102	my $avg = 10;
2605	$TICK_WATCHER = Event->timer (	3103	$TICK_WATCHER = Event->timer (
2606	reentrant => 0,	3104	reentrant => 0,
2607	parked => 1,	3105	parked => 1,
2608	prio => 0,	3106	prio => 0,
2609	at => $NEXT_TICK || $TICK,	3107	at => $NEXT_TICK || $TICK,
…		…
2613	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2614	unless ++$bug_warning > 10;	3112	unless ++$bug_warning > 10;
2615	return;	3113	return;
2616	}	3114	}
2617		3115
2618	$NOW = Event::time;	3116	$NOW = $tick_start = Event::time;
2619		3117
2620	cf::server_tick; # one server iteration	3118	cf::server_tick; # one server iteration
		3119
		3120	0 && sync_job {#d#
		3121	for(1..10) {
		3122	my $t = Event::time;
		3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3124	or die;
		3125
		3126	$map->width (50);
		3127	$map->height (50);
		3128	$map->alloc;
		3129	$map->_load_objects ("/tmp/x.map", 1);
		3130	my $t = Event::time - $t;
		3131
		3132	#next unless $t < 0.0013;#d#
		3133	if ($t < $min) {
		3134	$min = $t;
		3135	}
		3136	$avg = $avg * 0.99 + $t * 0.01;
		3137	}
		3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3139	exit 0;
		3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3141	};
		3142
2621	$RUNTIME += $TICK;	3143	$RUNTIME += $TICK;
2622	$NEXT_TICK += $TICK;	3144	$NEXT_TICK += $TICK;
2623		3145
2624	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2625	$NEXT_RUNTIME_WRITE = $NOW + 10;	3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2627	write_runtime	3149	write_runtime
2628	or warn "ERROR: unable to write runtime file: $!";	3150	or warn "ERROR: unable to write runtime file: $!";
2629	};	3151	};
2630	}	3152	}
2631		3153
2632	$WAIT_FOR_TICK->broadcast;
2633	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2634
2635	# my $AFTER = Event::time;	3154	# my $AFTER = Event::time;
2636	# warn $AFTER - $NOW;#d#	3155	# warn $AFTER - $NOW;#d#
2637		3156
		3157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3158	$sig->send;
		3159	}
		3160	while (my $sig = shift @WAIT_FOR_TICK) {
		3161	$sig->send;
		3162	}
		3163
		3164	$NOW = Event::time;
		3165
2638	# if we are delayed by four ticks or more, skip them all	3166	# if we are delayed by four ticks or more, skip them all
2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2640		3168
2641	$TICK_WATCHER->at ($NEXT_TICK);	3169	$TICK_WATCHER->at ($NEXT_TICK);
2642	$TICK_WATCHER->start;	3170	$TICK_WATCHER->start;
		3171
		3172	$LOAD = ($NOW - $tick_start) / $TICK;
		3173	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3174
		3175	_post_tick;
		3176
		3177
2643	},	3178	},
2644	);	3179	);
2645		3180
2646	{	3181	{
2647	BDB::max_poll_time $TICK * 0.1;	3182	BDB::max_poll_time $TICK * 0.1;
…		…
2675		3210
2676	cf::sync_job {	3211	cf::sync_job {
2677	eval {	3212	eval {
2678	BDB::db_env_open	3213	BDB::db_env_open
2679	$DB_ENV,	3214	$DB_ENV,
2680	$BDB_ENV_DIR,	3215	$BDBDIR,
2681	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2682	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2683	0666;	3218	0666;
2684		3219
2685	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2686		3221
2687	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2688	$DB_ENV->set_lk_detect;	3223	$DB_ENV->set_lk_detect;
2689	};	3224	};
2690		3225
…		…
2706	prio => 6,	3241	prio => 6,
2707	cb => \&IO::AIO::poll_cb,	3242	cb => \&IO::AIO::poll_cb,
2708	);	3243	);
2709	}	3244	}
2710		3245
		3246	my $_log_backtrace;
		3247
		3248	sub _log_backtrace {
		3249	my ($msg, @addr) = @_;
		3250
		3251	$msg =~ s/\n//;
		3252
		3253	# limit the # of concurrent backtraces
		3254	if ($_log_backtrace < 2) {
		3255	++$_log_backtrace;
		3256	async {
		3257	my @bt = fork_call {
		3258	@addr = map { sprintf "%x", $_ } @addr;
		3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3260	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3261	or die "addr2line: $!";
		3262
		3263	my @funcs;
		3264	my @res = <$fh>;
		3265	chomp for @res;
		3266	while (@res) {
		3267	my ($func, $line) = splice @res, 0, 2, ();
		3268	push @funcs, "[$func] $line";
		3269	}
		3270
		3271	@funcs
		3272	};
		3273
		3274	LOG llevInfo, "[ABT] $msg\n";
		3275	LOG llevInfo, "[ABT] $_\n" for @bt;
		3276	--$_log_backtrace;
		3277	};
		3278	} else {
		3279	LOG llevInfo, "[ABT] $msg\n";
		3280	LOG llevInfo, "[ABT] [suppressed]\n";
		3281	}
		3282	}
		3283
		3284	# load additional modules
		3285	use cf::pod;
		3286
2711	END { cf::emergency_save }	3287	END { cf::emergency_save }
2712		3288
2713	1	3289	1
2714		3290

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