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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.142 by root, Fri Jan 5 21:51:42 2007 UTC vs.
Revision 1.292 by root, Tue Jul 3 00:54:57 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;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
		27	use Data::Dumper;
20	use Digest::MD5;	28	use Digest::MD5;
21	use Fcntl;	29	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	30	use YAML::Syck ();
		31	use IO::AIO 2.32 ();
24	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
25		34
		35	# configure various modules to our taste
		36	#
		37	$Storable::canonical = 1; # reduce rsync transfers
		38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		40
26	use Event; $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
27		42
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
30		45
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		47
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		49
35	our %COMMAND = ();	50	our %COMMAND = ();
36	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
		52
		53	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
		56	our %EXT_CORO = (); # coroutines bound to extensions
		57	our %EXT_MAP = (); # pluggable maps
38		58
		59	our $RELOAD; # number of reloads so far
39	our @EVENT;	60	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		61
42	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(!)
43	our $TICK_WATCHER;	75	our $TICK_WATCHER;
		76	our $AIO_POLL_WATCHER;
		77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	78	our $NEXT_TICK;
45	our $NOW;	79	our $NOW;
		80	our $USE_FSYNC = 1; # use fsync to write maps - default off
		81
		82	our $BDB_POLL_WATCHER;
		83	our $DB_ENV;
46		84
47	our %CFG;	85	our %CFG;
48		86
49	our $UPTIME; $UPTIME ||= time;	87	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	88	our $RUNTIME;
51		89
		90	our %PLAYER; # all users
52	our %MAP; # all maps	91	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	92	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	93
55	our %EXT_CORO;	94	# used to convert map paths into valid unix filenames by replacing / by ∕
		95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		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 $tick_start; # for load detecting purposes
56		100
57	binmode STDOUT;	101	binmode STDOUT;
58	binmode STDERR;	102	binmode STDERR;
59		103
60	# read virtual server time, if available	104	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
62	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
63	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
64	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
65	}	109	}
66		110
67	mkdir cf::localdir;	111	mkdir $_
68	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		113
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
		115
		116	sub cf::map::normalise;
76		117
77	#############################################################################	118	#############################################################################
78		119
79	=head2 GLOBAL VARIABLES	120	=head2 GLOBAL VARIABLES
80		121
…		…
87	=item $cf::RUNTIME	128	=item $cf::RUNTIME
88		129
89	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
90	every server tick.	131	every server tick.
91		132
92	=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
93		136
94	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
95	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.
96		141
97	=item $cf::NOW	142	=item $cf::NOW
98		143
99	The time of the last (current) server tick.	144	The time of the last (current) server tick.
100		145
101	=item $cf::TICK	146	=item $cf::TICK
102		147
103	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.
104		159
105	=item %cf::CFG	160	=item %cf::CFG
106		161
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	163	from wherever your confdir points to.
		164
		165	=item cf::wait_for_tick, cf::wait_for_tick_begin
		166
		167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		168	returns directly I<after> the tick processing (and consequently, can only wake one process
		169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
109		170
110	=back	171	=back
111		172
112	=cut	173	=cut
113		174
114	BEGIN {	175	BEGIN {
115	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	177	my $msg = join "", @_;
117	utf8::encode $msg;
118		178
119	$msg .= "\n"	179	$msg .= "\n"
120	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
121		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	185	LOG llevError, $msg;
123	};	186	};
124	}	187	}
125		188
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@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';
131	@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)
132		196
133	# 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
134	# within the Safe compartment.	198	# within the Safe compartment.
135	for my $pkg (qw(	199	for my $pkg (qw(
136	cf::global cf::attachable	200	cf::global cf::attachable
…		…
145		209
146	$Event::DIED = sub {	210	$Event::DIED = sub {
147	warn "error in event callback: @_";	211	warn "error in event callback: @_";
148	};	212	};
149		213
150	my %ext_pkg;	214	#############################################################################
151	my @exts;
152	my @hook;
153		215
154	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
155		217
156	=over 4	218	=over 4
157		219
158	=cut	220	=item dumpval $ref
159		221
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	222	=cut
		223
		224	sub dumpval {
		225	eval {
		226	local $SIG{__DIE__};
		227	my $d;
		228	if (1) {
		229	$d = new Data::Dumper([$_[0]], ["*var"]);
		230	$d->Terse(1);
		231	$d->Indent(2);
		232	$d->Quotekeys(0);
		233	$d->Useqq(1);
		234	#$d->Bless(...);
		235	$d->Seen($_[1]) if @_ > 1;
		236	$d = $d->Dump();
		237	}
		238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		239	$d
		240	} || "[unable to dump $_[0]: '$@']";
		241	}
161		242
162	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
163		244
164	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
165		246
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
174		248
175	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
176		250
177	=cut	251	=cut
178		252
179	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
181	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
182	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
183		257
184	=item cf::lock_wait $string	258	=item cf::lock_wait $string
185		259
186	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
187		261
…		…
193	returned.	267	returned.
194		268
195	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
196	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
197		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
198	=cut	276	=cut
199		277
200	our %LOCK;	278	our %LOCK;
201		279
202	sub lock_wait($) {	280	sub lock_wait($) {
…		…
221	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
223	}	301	}
224	}	302	}
225		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
226	sub freeze_mainloop {	310	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
228		312
229	my $guard = Coro::guard { $TICK_WATCHER->start };	313	my $guard = Coro::guard {
		314	$TICK_WATCHER->start;
		315	};
230	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
231	$guard	317	$guard
232	}	318	}
233		319
234	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
241		327
242	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
243		329
244	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
245		331
246	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
247	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
248	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
249		336
250	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
251	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
252	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
253	fast or be very important.	340	fast or be very important.
…		…
256		343
257	sub sync_job(&) {	344	sub sync_job(&) {
258	my ($job) = @_;	345	my ($job) = @_;
259		346
260	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
261	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
262	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
263		352
264	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
265	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
276		365
277	while ($busy) {	366	while ($busy) {
278	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
279	}	368	}
280		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
281	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
282	} else {	378	} else {
283	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
284		380
285	$job->()	381	$job->()
286	}	382	}
287	}	383	}
288		384
289	=item $coro = cf::async_ext { BLOCK }	385	=item $coro = cf::async_ext { BLOCK }
290		386
291	Like async, but this coro is automcatially being canceled when the	387	Like async, but this coro is automatically being canceled when the
292	extension calling this is being unloaded.	388	extension calling this is being unloaded.
293		389
294	=cut	390	=cut
295		391
296	sub async_ext(&) {	392	sub async_ext(&) {
…		…
304	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
305		401
306	$coro	402	$coro
307	}	403	}
308		404
309	sub write_runtime {	405	=item fork_call { }, $args
310	my $runtime = cf::localdir . "/runtime";
311		406
312	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
313	or return;	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.
314		411
315	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	412	=cut
316	(aio_write $fh, 0, (length $value), $value, 0) <= 0
317	and return;
318		413
319	aio_fsync $fh	414	sub fork_call(&@) {
320	and return;	415	my ($cb, @args) = @_;
321		416
		417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
		421
		422	if (my $pid = fork) {
322	close $fh	423	close $fh2;
323	or return;
324		424
325	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
326	and return;	426	$res = Coro::Storable::thaw $res;
327		427
		428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
328	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		480	my $key = "$_[0]/$_[1]";
		481
		482	cf::sync_job {
		483	BDB::db_get $DB, undef, $key, my $data;
		484
		485	$! ? ()
		486	: $data
		487	}
		488	}
		489
		490	sub db_put($$$) {
		491	BDB::dbreq_pri 4;
		492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		493	}
		494
		495	=item cf::cache $id => [$paths...], $processversion => $process
		496
		497	Generic caching function that returns the value of the resource $id,
		498	caching and regenerating as required.
		499
		500	This function can block.
		501
		502	=cut
		503
		504	sub cache {
		505	my ($id, $src, $processversion, $process) = @_;
		506
		507	my $meta =
		508	join "\x00",
		509	$processversion,
		510	map {
		511	aio_stat $_
		512	and Carp::croak "$_: $!";
		513
		514	($_, (stat _)[7,9])
		515	} @$src;
		516
		517	my $dbmeta = db_get cache => "$id/meta";
		518	if ($dbmeta ne $meta) {
		519	# changed, we may need to process
		520
		521	my @data;
		522	my $md5;
		523
		524	for (0 .. $#$src) {
		525	0 <= aio_load $src->[$_], $data[$_]
		526	or Carp::croak "$src->[$_]: $!";
		527	}
		528
		529	# if processing is expensive, check
		530	# checksum first
		531	if (1) {
		532	$md5 =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	Coro::cede;
		537	($src->[$_], Digest::MD5::md5_hex $data[$_])
		538	} 0.. $#$src;
		539
		540
		541	my $dbmd5 = db_get cache => "$id/md5";
		542	if ($dbmd5 eq $md5) {
		543	db_put cache => "$id/meta", $meta;
		544
		545	return db_get cache => "$id/data";
		546	}
		547	}
		548
		549	my $t1 = Time::HiRes::time;
		550	my $data = $process->(\@data);
		551	my $t2 = Time::HiRes::time;
		552
		553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		554
		555	db_put cache => "$id/data", $data;
		556	db_put cache => "$id/md5" , $md5;
		557	db_put cache => "$id/meta", $meta;
		558
		559	return $data;
		560	}
		561
		562	db_get cache => "$id/data"
		563	}
		564
		565	=item cf::datalog type => key => value, ...
		566
		567	Log a datalog packet of the given type with the given key-value pairs.
		568
		569	=cut
		570
		571	sub datalog($@) {
		572	my ($type, %kv) = @_;
		573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
329	}	574	}
330		575
331	=back	576	=back
332		577
333	=cut	578	=cut
334
335	#############################################################################
336
337	package cf::path;
338
339	sub new {
340	my ($class, $path, $base) = @_;
341
342	$path = $path->as_string if ref $path;
343
344	my $self = bless { }, $class;
345
346	# {... are special paths that are not touched
347	# ?xxx/... are special absolute paths
348	# ?random/... random maps
349	# /! non-realised random map exit
350	# /... normal maps
351	# ~/... per-player maps without a specific player (DO NOT USE)
352	# ~user/... per-player map of a specific user
353
354	if ($path =~ /^{/) {
355	# fine as it is
356	} elsif ($path =~ s{^\?random/}{}) {
357	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
358	$self->{random} = cf::from_json $data;
359	} else {
360	if ($path =~ s{^~([^/]+)?}{}) {
361	$self->{user_rel} = 1;
362
363	if (defined $1) {
364	$self->{user} = $1;
365	} elsif ($base =~ m{^~([^/]+)/}) {
366	$self->{user} = $1;
367	} else {
368	warn "cannot resolve user-relative path without user <$path,$base>\n";
369	}
370	} elsif ($path =~ /^\//) {
371	# already absolute
372	} else {
373	$base =~ s{[^/]+/?$}{};
374	return $class->new ("$base/$path");
375	}
376
377	for ($path) {
378	redo if s{/\.?/}{/};
379	redo if s{/[^/]+/\.\./}{/};
380	}
381	}
382
383	$self->{path} = $path;
384
385	$self
386	}
387
388	# the name / primary key / in-game path
389	sub as_string {
390	my ($self) = @_;
391
392	$self->{user_rel} ? "~$self->{user}$self->{path}"
393	: $self->{random} ? "?random/$self->{path}"
394	: $self->{path}
395	}
396
397	# the displayed name, this is a one way mapping
398	sub visible_name {
399	my ($self) = @_;
400
401	# if (my $rmp = $self->{random}) {
402	# # todo: be more intelligent about this
403	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
404	# } else {
405	$self->as_string
406	# }
407	}
408
409	# escape the /'s in the path
410	sub _escaped_path {
411	# ∕ is U+2215
412	(my $path = $_[0]{path}) =~ s/\//∕/g;
413	$path
414	}
415
416	# the original (read-only) location
417	sub load_path {
418	my ($self) = @_;
419
420	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
421	}
422
423	# the temporary/swap location
424	sub save_path {
425	my ($self) = @_;
426
427	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
428	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
429	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
430	}
431
432	# the unique path, might be eq to save_path
433	sub uniq_path {
434	my ($self) = @_;
435
436	$self->{user_rel} || $self->{random}
437	? undef
438	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
439	}
440
441	# return random map parameters, or undef
442	sub random_map_params {
443	my ($self) = @_;
444
445	$self->{random}
446	}
447
448	# this is somewhat ugly, but style maps do need special treatment
449	sub is_style_map {
450	$_[0]{path} =~ m{^/styles/}
451	}
452
453	package cf;
454		579
455	#############################################################################	580	#############################################################################
456		581
457	=head2 ATTACHABLE OBJECTS	582	=head2 ATTACHABLE OBJECTS
458		583
…		…
460	attach callbacks/event handlers (a collection of which is called an "attachment")	585	attach callbacks/event handlers (a collection of which is called an "attachment")
461	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
462		587
463	In the following description, CLASS can be any of C<global>, C<object>	588	In the following description, CLASS can be any of C<global>, C<object>
464	C<player>, C<client> or C<map> (i.e. the attachable objects in	589	C<player>, C<client> or C<map> (i.e. the attachable objects in
465	crossfire+).	590	Crossfire TRT).
466		591
467	=over 4	592	=over 4
468		593
469	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
470		595
…		…
584	our @CB_TYPE = (); # registry for type (cf-object class) based events	709	our @CB_TYPE = (); # registry for type (cf-object class) based events
585	our @CB_MAP = ();	710	our @CB_MAP = ();
586		711
587	my %attachment;	712	my %attachment;
588		713
		714	sub cf::attachable::thawer_merge {
		715	# simply override everything except _meta
		716	local $_[0]{_meta};
		717	%{$_[0]} = %{$_[1]};
		718	}
		719
589	sub _attach_cb($$$$) {	720	sub _attach_cb($$$$) {
590	my ($registry, $event, $prio, $cb) = @_;	721	my ($registry, $event, $prio, $cb) = @_;
591		722
592	use sort 'stable';	723	use sort 'stable';
593		724
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
628		759
629	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		764
634	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	766	my $pkg = shift @arg;
636		767
637	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
667	}	798	}
668		799
669	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
670	} else {	801	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	803	}
673		804
674	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
675	}	806	}
676		807
…		…
678	if (ref $_[0]) {	809	if (ref $_[0]) {
679	_object_attach @_;	810	_object_attach @_;
680	} else {	811	} else {
681	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
682	}	813	}
		814	_recalc_want;
683	};	815	};
684		816
685	# all those should be optimised	817	# all those should be optimised
686	sub cf::attachable::detach {	818	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
691	reattach ($obj);	823	reattach ($obj);
692	} else {	824	} else {
693	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
694	}	826	}
		827	_recalc_want;
695	};	828	};
696		829
697	sub cf::attachable::attached {	830	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
699		832
…		…
764	# object support	897	# object support
765		898
766	sub reattach {	899	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	900	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	901	my ($obj) = @_;
		902
		903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
769		904
770	my $registry = $obj->registry;	905	my $registry = $obj->registry;
771		906
772	@$registry = ();	907	@$registry = ();
773		908
…		…
820	$filename, length $$rdata, scalar @$objs;	955	$filename, length $$rdata, scalar @$objs;
821		956
822	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
823	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
824	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
825	aio_fsync $fh;	960	aio_fsync $fh if $cf::USE_FSYNC;
826	close $fh;	961	close $fh;
827		962
828	if (@$objs) {	963	if (@$objs) {
829	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	965	chmod SAVE_MODE, $fh;
831	my $data = Storable::nfreeze { version => 1, objs => $objs };	966	my $data = Storable::nfreeze { version => 1, objs => $objs };
832	aio_write $fh, 0, (length $data), $data, 0;	967	aio_write $fh, 0, (length $data), $data, 0;
833	aio_fsync $fh;	968	aio_fsync $fh if $cf::USE_FSYNC;
834	close $fh;	969	close $fh;
835	aio_rename "$filename.pst~", "$filename.pst";	970	aio_rename "$filename.pst~", "$filename.pst";
836	}	971	}
837	} else {	972	} else {
838	aio_unlink "$filename.pst";	973	aio_unlink "$filename.pst";
…		…
870	or return;	1005	or return;
871	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
872	}	1007	}
873		1008
874	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
875	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
876	return ($data, $av);	1011	return ($data, $av);
877	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
878		1019
879	#############################################################################	1020	#############################################################################
880	# command handling &c	1021	# command handling &c
881		1022
882	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
895	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
896	}	1037	}
897		1038
898	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
899		1040
900	Register a callbackf ro execution when the client sends an extcmd packet.	1041	Register a callback for execution when the client sends an (synchronous)
		1042	extcmd packet. Ext commands will be processed in the order they are
		1043	received by the server, like other user commands. The first argument is
		1044	the logged-in player. Ext commands can only be processed after a player
		1045	has logged in successfully.
901		1046
902	If the callback returns something, it is sent back as if reply was being	1047	If the callback returns something, it is sent back as if reply was being
903	called.	1048	called.
904		1049
		1050	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1051
		1052	Register a callback for execution when the client sends an (asynchronous)
		1053	exticmd packet. Exti commands are processed by the server as soon as they
		1054	are received, i.e. out of order w.r.t. other commands. The first argument
		1055	is a client socket. Exti commands can be received anytime, even before
		1056	log-in.
		1057
		1058	If the callback returns something, it is sent back as if reply was being
		1059	called.
		1060
905	=cut	1061	=cut
906		1062
907	sub register_extcmd {	1063	sub register_extcmd {
908	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
909		1065
910	my $caller = caller;
911	#warn "registering extcmd '$name' to '$caller'";
912
913	$EXTCMD{$name} = [$cb, $caller];	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
914	}	1073	}
915		1074
916	cf::player->attach (	1075	cf::player->attach (
917	on_command => sub {	1076	on_command => sub {
918	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1086	cf::override;
928	},	1087	},
929	on_extcmd => sub {	1088	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1089	my ($pl, $buf) = @_;
931		1090
932	my $msg = eval { from_json $buf };	1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1092
934	if (ref $msg) {	1093	if (ref $msg) {
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
936	if (my %reply = $cb->[0]->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
937	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
938	}	1097	}
939	}	1098	}
940	} else {	1099	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
943		1102
944	cf::override;	1103	cf::override;
945	},	1104	},
946	);	1105	);
947		1106
948	sub register {
949	my ($base, $pkg) = @_;
950
951	#TODO
952	}
953
954	sub load_extension {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
		1111	for my $path (<$LIBDIR/*.ext>) {
		1112	next unless -r $path;
		1113
		1114	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1115	my $base = $1;
		1116	my $pkg = $1;
		1117	$pkg =~ s/[^[:word:]]/_/g;
		1118	$pkg = "ext::$pkg";
		1119
		1120	open my $fh, "<:utf8", $path
		1121	or die "$path: $!";
		1122
		1123	my $source = do { local $/; <$fh> };
		1124
		1125	my %ext = (
		1126	path => $path,
		1127	base => $base,
		1128	pkg => $pkg,
		1129	);
		1130
		1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1133
		1134	$ext{source} =
		1135	"package $pkg; use strict; use utf8;\n"
		1136	. "#line 1 \"$path\"\n{\n"
		1137	. $source
		1138	. "\n};\n1";
		1139
		1140	$todo{$base} = \%ext;
		1141	}
		1142
		1143	my %done;
		1144	while (%todo) {
		1145	my $progress;
		1146
		1147	while (my ($k, $v) = each %todo) {
		1148	for (split /,\s*/, $v->{meta}{depends}) {
		1149	goto skip
		1150	unless exists $done{$_};
		1151	}
		1152
		1153	warn "... loading '$k' into '$v->{pkg}'\n";
		1154
		1155	unless (eval $v->{source}) {
		1156	my $msg = $@ ? "$v->{path}: $@\n"
		1157	: "$v->{base}: extension inactive.\n";
		1158
		1159	if (exists $v->{meta}{mandatory}) {
		1160	warn $msg;
		1161	warn "mandatory extension failed to load, exiting.\n";
		1162	exit 1;
		1163	}
		1164
		1165	warn $msg;
		1166	}
		1167
		1168	$done{$k} = delete $todo{$k};
		1169	push @EXTS, $v->{pkg};
		1170	$progress = 1;
		1171	}
		1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
		1177	};
		1178	}
		1179
		1180	#############################################################################
		1181
		1182	=back
		1183
		1184	=head2 CORE EXTENSIONS
		1185
		1186	Functions and methods that extend core crossfire objects.
		1187
		1188	=cut
		1189
		1190	package cf::player;
		1191
		1192	use Coro::AIO;
		1193
		1194	=head3 cf::player
		1195
		1196	=over 4
		1197
		1198	=item cf::player::find $login
		1199
		1200	Returns the given player object, loading it if necessary (might block).
		1201
		1202	=cut
		1203
		1204	sub playerdir($) {
		1205	"$PLAYERDIR/"
		1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1207	}
		1208
		1209	sub path($) {
		1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1211
		1212	(playerdir $login) . "/playerdata"
		1213	}
		1214
		1215	sub find_active($) {
		1216	$cf::PLAYER{$_[0]}
		1217	and $cf::PLAYER{$_[0]}->active
		1218	and $cf::PLAYER{$_[0]}
		1219	}
		1220
		1221	sub exists($) {
		1222	my ($login) = @_;
		1223
		1224	$cf::PLAYER{$login}
		1225	or cf::sync_job { !aio_stat path $login }
		1226	}
		1227
		1228	sub find($) {
		1229	return $cf::PLAYER{$_[0]} || do {
		1230	my $login = $_[0];
		1231
		1232	my $guard = cf::lock_acquire "user_find:$login";
		1233
		1234	$cf::PLAYER{$_[0]} || do {
		1235	# rename old playerfiles to new ones
		1236	#TODO: remove when no longer required
		1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1240	aio_unlink +(playerdir $login) . "/$login.pl";
		1241
		1242	my $pl = load_pl path $login
		1243	or return;
		1244	$cf::PLAYER{$login} = $pl
		1245	}
		1246	}
		1247	}
		1248
		1249	sub save($) {
		1250	my ($pl) = @_;
		1251
		1252	return if $pl->{deny_save};
		1253
		1254	my $path = path $pl;
		1255	my $guard = cf::lock_acquire "user_save:$path";
		1256
		1257	return if $pl->{deny_save};
		1258
		1259	aio_mkdir playerdir $pl, 0770;
		1260	$pl->{last_save} = $cf::RUNTIME;
		1261
		1262	$pl->save_pl ($path);
		1263	Coro::cede;
		1264	}
		1265
		1266	sub new($) {
		1267	my ($login) = @_;
		1268
		1269	my $self = create;
		1270
		1271	$self->ob->name ($login);
		1272	$self->{deny_save} = 1;
		1273
		1274	$cf::PLAYER{$login} = $self;
		1275
		1276	$self
		1277	}
		1278
		1279	=item $pl->quit_character
		1280
		1281	Nukes the player without looking back. If logged in, the connection will
		1282	be destroyed. May block for a long time.
		1283
		1284	=cut
		1285
		1286	sub quit_character {
		1287	my ($pl) = @_;
		1288
		1289	my $name = $pl->ob->name;
		1290
		1291	$pl->{deny_save} = 1;
		1292	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1293
		1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1295	$pl->deactivate;
		1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1297	$pl->ns->destroy if $pl->ns;
		1298
		1299	my $path = playerdir $pl;
		1300	my $temp = "$path~$cf::RUNTIME~deleting~";
		1301	aio_rename $path, $temp;
		1302	delete $cf::PLAYER{$pl->ob->name};
		1303	$pl->destroy;
		1304
		1305	my $prefix = qr<^~\Q$name\E/>;
		1306
		1307	# nuke player maps
		1308	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1309
		1310	IO::AIO::aio_rmtree $temp;
		1311	}
		1312
		1313	=item $pl->kick
		1314
		1315	Kicks a player out of the game. This destroys the connection.
		1316
		1317	=cut
		1318
		1319	sub kick {
		1320	my ($pl, $kicker) = @_;
		1321
		1322	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1323	$pl->killer ("kicked");
		1324	$pl->ns->destroy;
		1325	}
		1326
		1327	=item cf::player::list_logins
		1328
		1329	Returns am arrayref of all valid playernames in the system, can take a
		1330	while and may block, so not sync_job-capable, ever.
		1331
		1332	=cut
		1333
		1334	sub list_logins {
		1335	my $dirs = aio_readdir $PLAYERDIR
		1336	or return [];
		1337
		1338	my @logins;
		1339
		1340	for my $login (@$dirs) {
		1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1342	aio_read $fh, 0, 512, my $buf, 0 or next;
		1343	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1344
		1345	utf8::decode $login;
		1346	push @logins, $login;
		1347	}
		1348
		1349	\@logins
		1350	}
		1351
		1352	=item $player->maps
		1353
		1354	Returns an arrayref of map paths that are private for this
		1355	player. May block.
		1356
		1357	=cut
		1358
		1359	sub maps($) {
		1360	my ($pl) = @_;
		1361
		1362	$pl = ref $pl ? $pl->ob->name : $pl;
		1363
		1364	my $files = aio_readdir playerdir $pl
		1365	or return;
		1366
		1367	my @paths;
		1368
		1369	for (@$files) {
		1370	utf8::decode $_;
		1371	next if /\.(?:pl|pst)$/;
		1372	next unless /^$PATH_SEP/o;
		1373
		1374	push @paths, cf::map::normalise "~$pl/$_";
		1375	}
		1376
		1377	\@paths
		1378	}
		1379
		1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1381
		1382	Expand crossfire pod fragments into protocol xml.
		1383
		1384	=cut
		1385
		1386	sub expand_cfpod {
		1387	((my $self), (local $_)) = @_;
		1388
		1389	# escape & and <
		1390	s/&/&amp;/g;
		1391	s/(?<![BIUGH])</&lt;/g;
		1392
		1393	# this is buggy, it needs to properly take care of nested <'s
		1394
		1395	1 while
		1396	# replace B<>, I<>, U<> etc.
		1397	s/B<([^\>]*)>/<b>$1<\/b>/
		1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1400	# replace G<male|female> tags
		1401	|| s{G<([^>|]*)\|([^>]*)>}{
		1402	$self->gender ? $2 : $1
		1403	}ge
		1404	# replace H<hint text>
		1405	|| s{H<([^\>]*)>}
		1406	{
		1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1409	"")
		1410	[$self->{hintmode}]
		1411	}ge;
		1412
		1413	# create single paragraphs (very hackish)
		1414	s/(?<=\S)\n(?=\w)/ /g;
		1415
		1416	# compress some whitespace
		1417	1 while s/\s*\n\s*\n\s*/\n/;
		1418
		1419	$_
		1420	}
		1421
		1422	sub hintmode {
		1423	$_[0]{hintmode} = $_[1] if @_ > 1;
		1424	$_[0]{hintmode}
		1425	}
		1426
		1427	=item $player->ext_reply ($msgid, %msg)
		1428
		1429	Sends an ext reply to the player.
		1430
		1431	=cut
		1432
		1433	sub ext_reply($$%) {
		1434	my ($self, $id, %msg) = @_;
		1435
		1436	$msg{msgid} = $id;
		1437	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
		1438	}
		1439
		1440	=item $player->ext_event ($type, %msg)
		1441
		1442	Sends an ext event to the client.
		1443
		1444	=cut
		1445
		1446	sub ext_event($$%) {
		1447	my ($self, $type, %msg) = @_;
		1448
		1449	$self->ns->ext_event ($type, %msg);
		1450	}
		1451
		1452	=head3 cf::region
		1453
		1454	=over 4
		1455
		1456	=cut
		1457
		1458	package cf::region;
		1459
		1460	=item cf::region::find_by_path $path
		1461
		1462	Tries to decuce the likely region for a map knowing only its path.
		1463
		1464	=cut
		1465
		1466	sub find_by_path($) {
955	my ($path) = @_;	1467	my ($path) = @_;
956		1468
957	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1469	my ($match, $specificity);
958	my $base = $1;
959	my $pkg = $1;
960	$pkg =~ s/[^[:word:]]/_/g;
961	$pkg = "ext::$pkg";
962		1470
963	warn "loading '$path' into '$pkg'\n";	1471	for my $region (list) {
964		1472	if ($region->match && $path =~ $region->match) {
965	open my $fh, "<:utf8", $path	1473	($match, $specificity) = ($region, $region->specificity)
966	or die "$path: $!";	1474	if $region->specificity > $specificity;
967		1475	}
968	my $source =
969	"package $pkg; use strict; use utf8;\n"
970	. "#line 1 \"$path\"\n{\n"
971	. (do { local $/; <$fh> })
972	. "\n};\n1";
973
974	eval $source
975	or die $@ ? "$path: $@\n"
976	: "extension disabled.\n";
977
978	push @exts, $pkg;
979	$ext_pkg{$base} = $pkg;
980
981	# no strict 'refs';
982	# @{"$pkg\::ISA"} = ext::;
983
984	register $base, $pkg;
985	}
986
987	sub unload_extension {
988	my ($pkg) = @_;
989
990	warn "removing extension $pkg\n";
991
992	# remove hooks
993	#TODO
994	# for my $idx (0 .. $#PLUGIN_EVENT) {
995	# delete $hook[$idx]{$pkg};
996	# }	1476	}
997		1477
998	# remove commands	1478	$match
999	for my $name (keys %COMMAND) {
1000	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1001
1002	if (@cb) {
1003	$COMMAND{$name} = \@cb;
1004	} else {
1005	delete $COMMAND{$name};
1006	}
1007	}
1008
1009	# remove extcmds
1010	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1011	delete $EXTCMD{$name};
1012	}
1013
1014	if (my $cb = $pkg->can ("unload")) {
1015	eval {
1016	$cb->($pkg);
1017	1
1018	} or warn "$pkg unloaded, but with errors: $@";
1019	}
1020
1021	Symbol::delete_package $pkg;
1022	}
1023
1024	sub load_extensions {
1025	for my $ext (<$LIBDIR/*.ext>) {
1026	next unless -r $ext;
1027	eval {
1028	load_extension $ext;
1029	1
1030	} or warn "$ext not loaded: $@";
1031	}
1032	}
1033
1034	#############################################################################
1035	# load/save/clean perl data associated with a map
1036
1037	*cf::mapsupport::on_clean = sub {
1038	my ($map) = @_;
1039
1040	my $path = $map->tmpname;
1041	defined $path or return;
1042
1043	unlink "$path.pst";
1044	};
1045
1046	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1047
1048	#############################################################################
1049	# load/save perl data associated with player->ob objects
1050
1051	sub all_objects(@) {
1052	@_, map all_objects ($_->inv), @_
1053	}
1054
1055	# TODO: compatibility cruft, remove when no longer needed
1056	cf::player->attach (
1057	on_load => sub {
1058	my ($pl, $path) = @_;
1059
1060	for my $o (all_objects $pl->ob) {
1061	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1062	$o->set_ob_key_value ("_perl_data");
1063
1064	%$o = %{ Storable::thaw pack "H*", $value };
1065	}
1066	}
1067	},
1068	);
1069
1070	#############################################################################
1071
1072	=head2 CORE EXTENSIONS
1073
1074	Functions and methods that extend core crossfire objects.
1075
1076	=head3 cf::player
1077
1078	=over 4
1079
1080	=item cf::player::exists $login
1081
1082	Returns true when the given account exists.
1083
1084	=cut
1085
1086	sub cf::player::exists($) {
1087	cf::player::find $_[0]
1088	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1089	}
1090
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)
1092
1093	Sends an ext reply to the player.
1094
1095	=cut
1096
1097	sub cf::player::ext_reply($$$%) {
1098	my ($self, $id, %msg) = @_;
1099
1100	$msg{msgid} = $id;
1101
1102	$self->send ("ext " . to_json \%msg);
1103	}	1479	}
1104		1480
1105	=back	1481	=back
1106
1107		1482
1108	=head3 cf::map	1483	=head3 cf::map
1109		1484
1110	=over 4	1485	=over 4
1111		1486
…		…
1114	package cf::map;	1489	package cf::map;
1115		1490
1116	use Fcntl;	1491	use Fcntl;
1117	use Coro::AIO;	1492	use Coro::AIO;
1118		1493
		1494	use overload
		1495	'""' => \&as_string,
		1496	fallback => 1;
		1497
1119	our $MAX_RESET = 3600;	1498	our $MAX_RESET = 3600;
1120	our $DEFAULT_RESET = 3000;	1499	our $DEFAULT_RESET = 3000;
1121		1500
1122	sub generate_random_map {	1501	sub generate_random_map {
1123	my ($path, $rmp) = @_;	1502	my ($self, $rmp) = @_;
1124
1125	# mit "rum" bekleckern, nicht	1503	# mit "rum" bekleckern, nicht
1126	cf::map::_create_random_map	1504	$self->_create_random_map (
1127	$path,
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1505	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1506	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1507	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},	1508	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},	1509	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1510	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1511	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1512	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1513	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1514	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region})	1515	(cf::region::find $rmp->{region}), $rmp->{custom}
		1516	)
		1517	}
		1518
		1519	=item cf::map->register ($regex, $prio)
		1520
		1521	Register a handler for the map path matching the given regex at the
		1522	givne priority (higher is better, built-in handlers have priority 0, the
		1523	default).
		1524
		1525	=cut
		1526
		1527	sub register {
		1528	my (undef, $regex, $prio) = @_;
		1529	my $pkg = caller;
		1530
		1531	no strict;
		1532	push @{"$pkg\::ISA"}, __PACKAGE__;
		1533
		1534	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1535	}
		1536
		1537	# also paths starting with '/'
		1538	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1539
		1540	sub thawer_merge {
		1541	my ($self, $merge) = @_;
		1542
		1543	# we have to keep some variables in memory intact
		1544	local $self->{path};
		1545	local $self->{load_path};
		1546
		1547	$self->SUPER::thawer_merge ($merge);
		1548	}
		1549
		1550	sub normalise {
		1551	my ($path, $base) = @_;
		1552
		1553	$path = "$path"; # make sure its a string
		1554
		1555	$path =~ s/\.map$//;
		1556
		1557	# map plan:
		1558	#
		1559	# /! non-realised random map exit (special hack!)
		1560	# {... are special paths that are not being touched
		1561	# ?xxx/... are special absolute paths
		1562	# ?random/... random maps
		1563	# /... normal maps
		1564	# ~user/... per-player map of a specific user
		1565
		1566	$path =~ s/$PATH_SEP/\//go;
		1567
		1568	# treat it as relative path if it starts with
		1569	# something that looks reasonable
		1570	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1571	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1572
		1573	$base =~ s{[^/]+/?$}{};
		1574	$path = "$base/$path";
		1575	}
		1576
		1577	for ($path) {
		1578	redo if s{//}{/};
		1579	redo if s{/\.?/}{/};
		1580	redo if s{/[^/]+/\.\./}{/};
		1581	}
		1582
		1583	$path
		1584	}
		1585
		1586	sub new_from_path {
		1587	my (undef, $path, $base) = @_;
		1588
		1589	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1590
		1591	$path = normalise $path, $base;
		1592
		1593	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1594	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1595	my $self = bless cf::map::new, $pkg;
		1596	$self->{path} = $path; $self->path ($path);
		1597	$self->init; # pass $1 etc.
		1598	return $self;
		1599	}
		1600	}
		1601
		1602	Carp::carp "unable to resolve path '$path' (base '$base').";
		1603	()
		1604	}
		1605
		1606	sub init {
		1607	my ($self) = @_;
		1608
		1609	$self
		1610	}
		1611
		1612	sub as_string {
		1613	my ($self) = @_;
		1614
		1615	"$self->{path}"
		1616	}
		1617
		1618	# the displayed name, this is a one way mapping
		1619	sub visible_name {
		1620	&as_string
		1621	}
		1622
		1623	# the original (read-only) location
		1624	sub load_path {
		1625	my ($self) = @_;
		1626
		1627	"$MAPDIR/$self->{path}.map"
		1628	}
		1629
		1630	# the temporary/swap location
		1631	sub save_path {
		1632	my ($self) = @_;
		1633
		1634	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1635	"$TMPDIR/$path.map"
		1636	}
		1637
		1638	# the unique path, undef == no special unique path
		1639	sub uniq_path {
		1640	my ($self) = @_;
		1641
		1642	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1643	"$UNIQUEDIR/$path"
1139	}	1644	}
1140		1645
1141	# and all this just because we cannot iterate over	1646	# and all this just because we cannot iterate over
1142	# all maps in C++...	1647	# all maps in C++...
1143	sub change_all_map_light {	1648	sub change_all_map_light {
…		…
1145		1650
1146	$_->change_map_light ($change)	1651	$_->change_map_light ($change)
1147	for grep $_->outdoor, values %cf::MAP;	1652	for grep $_->outdoor, values %cf::MAP;
1148	}	1653	}
1149		1654
		1655	sub decay_objects {
		1656	my ($self) = @_;
		1657
		1658	return if $self->{deny_reset};
		1659
		1660	$self->do_decay_objects;
		1661	}
		1662
		1663	sub unlink_save {
		1664	my ($self) = @_;
		1665
		1666	utf8::encode (my $save = $self->save_path);
		1667	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1668	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1669	}
		1670
1150	sub try_load_header($) {	1671	sub load_header_from($) {
1151	my ($path) = @_;	1672	my ($self, $path) = @_;
1152		1673
1153	utf8::encode $path;	1674	utf8::encode $path;
1154	aio_open $path, O_RDONLY, 0	1675	#aio_open $path, O_RDONLY, 0
		1676	# or return;
		1677
		1678	$self->_load_header ($path)
1155	or return;	1679	or return;
1156		1680
1157	my $map = cf::map::new	1681	$self->{load_path} = $path;
		1682
		1683	1
		1684	}
		1685
		1686	sub load_header_orig {
		1687	my ($self) = @_;
		1688
		1689	$self->load_header_from ($self->load_path)
		1690	}
		1691
		1692	sub load_header_temp {
		1693	my ($self) = @_;
		1694
		1695	$self->load_header_from ($self->save_path)
		1696	}
		1697
		1698	sub prepare_temp {
		1699	my ($self) = @_;
		1700
		1701	$self->last_access ((delete $self->{last_access})
		1702	|| $cf::RUNTIME); #d#
		1703	# safety
		1704	$self->{instantiate_time} = $cf::RUNTIME
		1705	if $self->{instantiate_time} > $cf::RUNTIME;
		1706	}
		1707
		1708	sub prepare_orig {
		1709	my ($self) = @_;
		1710
		1711	$self->{load_original} = 1;
		1712	$self->{instantiate_time} = $cf::RUNTIME;
		1713	$self->last_access ($cf::RUNTIME);
		1714	$self->instantiate;
		1715	}
		1716
		1717	sub load_header {
		1718	my ($self) = @_;
		1719
		1720	if ($self->load_header_temp) {
		1721	$self->prepare_temp;
		1722	} else {
		1723	$self->load_header_orig
1158	or return;	1724	or return;
		1725	$self->prepare_orig;
		1726	}
1159		1727
1160	# for better error messages only, will be overwritten	1728	$self->{deny_reset} = 1
1161	$map->path ($path);	1729	if $self->no_reset;
1162		1730
1163	$map->load_header ($path)	1731	$self->default_region (cf::region::find_by_path $self->{path})
1164	or return;	1732	unless $self->default_region;
1165		1733
1166	$map->{load_path} = $path;	1734	1
1167
1168	$map
1169	}	1735	}
1170		1736
1171	sub find;	1737	sub find;
1172	sub find {	1738	sub find {
1173	my ($path, $origin) = @_;	1739	my ($path, $origin) = @_;
1174		1740
1175	#warn "find<$path,$origin>\n";#d#
1176
1177	$path = new cf::path $path, $origin && $origin->path;	1741	$path = normalise $path, $origin && $origin->path;
1178	my $key = $path->as_string;
1179		1742
1180	cf::lock_wait "map_find:$key";	1743	cf::lock_wait "map_find:$path";
1181		1744
1182	$cf::MAP{$key} || do {	1745	$cf::MAP{$path} || do {
1183	my $guard = cf::lock_acquire "map_find:$key";	1746	my $guard = cf::lock_acquire "map_find:$path";
1184		1747	my $map = new_from_path cf::map $path
1185	# do it the slow way
1186	my $map = try_load_header $path->save_path;
1187
1188	Coro::cede;
1189
1190	if ($map) {
1191	$map->last_access ((delete $map->{last_access})
1192	|| $cf::RUNTIME); #d#
1193	# safety
1194	$map->{instantiate_time} = $cf::RUNTIME
1195	if $map->{instantiate_time} > $cf::RUNTIME;
1196	} else {
1197	if (my $rmp = $path->random_map_params) {
1198	$map = generate_random_map $key, $rmp;
1199	} else {
1200	$map = try_load_header $path->load_path;
1201	}
1202
1203	$map or return;	1748	or return;
1204		1749
1205	$map->{load_original} = 1;
1206	$map->{instantiate_time} = $cf::RUNTIME;
1207	$map->last_access ($cf::RUNTIME);
1208	$map->instantiate;
1209
1210	# per-player maps become, after loading, normal maps
1211	$map->per_player (0) if $path->{user_rel};
1212	}
1213
1214	$map->path ($key);
1215	$map->{path} = $path;
1216	$map->{last_save} = $cf::RUNTIME;	1750	$map->{last_save} = $cf::RUNTIME;
1217		1751
1218	Coro::cede;	1752	$map->load_header
		1753	or return;
1219		1754
1220	if ($map->should_reset) {	1755	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1756	# doing this can freeze the server in a sync job, obviously
		1757	#$cf::WAIT_FOR_TICK->wait;
1221	$map->reset;	1758	$map->reset;
1222	undef $guard;	1759	undef $guard;
1223	$map = find $path	1760	return find $path;
1224	or return;
1225	}	1761	}
1226		1762
1227	$cf::MAP{$key} = $map	1763	$cf::MAP{$path} = $map
1228	}	1764	}
1229	}	1765	}
		1766
		1767	sub pre_load { }
		1768	sub post_load { }
1230		1769
1231	sub load {	1770	sub load {
1232	my ($self) = @_;	1771	my ($self) = @_;
1233		1772
		1773	local $self->{deny_reset} = 1; # loading can take a long time
		1774
1234	my $path = $self->{path};	1775	my $path = $self->{path};
		1776
		1777	{
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1778	my $guard = cf::lock_acquire "map_load:$path";
1236		1779
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1780	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1781
1239	$self->in_memory (cf::MAP_LOADING);	1782	$self->in_memory (cf::MAP_LOADING);
1240		1783
1241	$self->alloc;	1784	$self->alloc;
		1785
		1786	$self->pre_load;
		1787	Coro::cede;
		1788
1242	$self->load_objects ($self->{load_path}, 1)	1789	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1790	or return;
1244		1791
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1792	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1793	if delete $self->{load_original};
1247		1794
1248	if (my $uniq = $path->uniq_path) {	1795	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1796	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1797	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1798	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1799	$self->_load_objects ($uniq, 0);
1253	}	1800	}
1254	}	1801	}
1255		1802
1256	Coro::cede;	1803	Coro::cede;
1257
1258	# now do the right thing for maps	1804	# now do the right thing for maps
1259	$self->link_multipart_objects;	1805	$self->link_multipart_objects;
1260
1261	if ($self->{path}->is_style_map) {
1262	$self->{deny_save} = 1;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;
1268	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1806	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1807	unless $self->difficulty;
		1808	Coro::cede;
		1809
		1810	unless ($self->{deny_activate}) {
		1811	$self->decay_objects;
		1812	$self->fix_auto_apply;
		1813	$self->update_buttons;
		1814	Coro::cede;
		1815	$self->set_darkness_map;
		1816	Coro::cede;
1271	$self->activate;	1817	$self->activate;
1272	}	1818	}
1273		1819
1274	Coro::cede;
1275
1276	$self->in_memory (cf::MAP_IN_MEMORY);	1820	$self->in_memory (cf::MAP_IN_MEMORY);
		1821	}
		1822
		1823	$self->post_load;
		1824	}
		1825
		1826	sub customise_for {
		1827	my ($self, $ob) = @_;
		1828
		1829	return find "~" . $ob->name . "/" . $self->{path}
		1830	if $self->per_player;
		1831
		1832	# return find "?party/" . $ob->name . "/" . $self->{path}
		1833	# if $self->per_party;
		1834
		1835	$self
		1836	}
		1837
		1838	# find and load all maps in the 3x3 area around a map
		1839	sub load_diag {
		1840	my ($map) = @_;
		1841
		1842	my @diag; # diagonal neighbours
		1843
		1844	for (0 .. 3) {
		1845	my $neigh = $map->tile_path ($_)
		1846	or next;
		1847	$neigh = find $neigh, $map
		1848	or next;
		1849	$neigh->load;
		1850
		1851	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1852	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1853	}
		1854
		1855	for (@diag) {
		1856	my $neigh = find @$_
		1857	or next;
		1858	$neigh->load;
		1859	}
1277	}	1860	}
1278		1861
1279	sub find_sync {	1862	sub find_sync {
1280	my ($path, $origin) = @_;	1863	my ($path, $origin) = @_;
1281		1864
1282	cf::sync_job { cf::map::find $path, $origin }	1865	cf::sync_job { find $path, $origin }
1283	}	1866	}
1284		1867
1285	sub do_load_sync {	1868	sub do_load_sync {
1286	my ($map) = @_;	1869	my ($map) = @_;
1287		1870
1288	cf::sync_job { $map->load };	1871	cf::sync_job { $map->load };
1289	}	1872	}
1290		1873
		1874	our %MAP_PREFETCH;
		1875	our $MAP_PREFETCHER = undef;
		1876
		1877	sub find_async {
		1878	my ($path, $origin) = @_;
		1879
		1880	$path = normalise $path, $origin && $origin->{path};
		1881
		1882	if (my $map = $cf::MAP{$path}) {
		1883	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1884	}
		1885
		1886	undef $MAP_PREFETCH{$path};
		1887	$MAP_PREFETCHER ||= cf::async {
		1888	while (%MAP_PREFETCH) {
		1889	for my $path (keys %MAP_PREFETCH) {
		1890	my $map = find $path
		1891	or next;
		1892	$map->load;
		1893
		1894	delete $MAP_PREFETCH{$path};
		1895	}
		1896	}
		1897	undef $MAP_PREFETCHER;
		1898	};
		1899	$MAP_PREFETCHER->prio (6);
		1900
		1901	()
		1902	}
		1903
1291	sub save {	1904	sub save {
1292	my ($self) = @_;	1905	my ($self) = @_;
1293		1906
1294	my $lock = cf::lock_acquire "map_data:" . $self->path;	1907	my $lock = cf::lock_acquire "map_data:" . $self->path;
1295		1908
1296	$self->{last_save} = $cf::RUNTIME;	1909	$self->{last_save} = $cf::RUNTIME;
1297		1910
1298	return unless $self->dirty;	1911	return unless $self->dirty;
1299		1912
1300	my $save = $self->{path}->save_path; utf8::encode $save;	1913	my $save = $self->save_path; utf8::encode $save;
1301	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1914	my $uniq = $self->uniq_path; utf8::encode $uniq;
1302		1915
1303	$self->{load_path} = $save;	1916	$self->{load_path} = $save;
1304		1917
1305	return if $self->{deny_save};	1918	return if $self->{deny_save};
1306		1919
1307	local $self->{last_access} = $self->last_access;#d#	1920	local $self->{last_access} = $self->last_access;#d#
1308		1921
		1922	cf::async {
		1923	$_->contr->save for $self->players;
		1924	};
		1925
1309	if ($uniq) {	1926	if ($uniq) {
1310	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1927	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1311	$self->save_objects ($uniq, cf::IO_UNIQUES);	1928	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1312	} else {	1929	} else {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1314	}	1931	}
1315	}	1932	}
1316		1933
1317	sub swap_out {	1934	sub swap_out {
1318	my ($self) = @_;	1935	my ($self) = @_;
…		…
1332		1949
1333	sub reset_at {	1950	sub reset_at {
1334	my ($self) = @_;	1951	my ($self) = @_;
1335		1952
1336	# TODO: safety, remove and allow resettable per-player maps	1953	# TODO: safety, remove and allow resettable per-player maps
1337	return 1e99 if $self->{path}{user_rel};
1338	return 1e99 if $self->{deny_reset};	1954	return 1e99 if $self->{deny_reset};
1339		1955
1340	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1956	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1341	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1957	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1342		1958
…		…
1347	my ($self) = @_;	1963	my ($self) = @_;
1348		1964
1349	$self->reset_at <= $cf::RUNTIME	1965	$self->reset_at <= $cf::RUNTIME
1350	}	1966	}
1351		1967
1352	sub unlink_save {
1353	my ($self) = @_;
1354
1355	utf8::encode (my $save = $self->{path}->save_path);
1356	aioreq_pri 3; IO::AIO::aio_unlink $save;
1357	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1358	}
1359
1360	sub rename {
1361	my ($self, $new_path) = @_;
1362
1363	$self->unlink_save;
1364
1365	delete $cf::MAP{$self->path};
1366	$self->{path} = new cf::path $new_path;
1367	$self->path ($self->{path}->as_string);
1368	$cf::MAP{$self->path} = $self;
1369
1370	$self->save;
1371	}
1372
1373	sub reset {	1968	sub reset {
1374	my ($self) = @_;	1969	my ($self) = @_;
1375		1970
1376	my $lock = cf::lock_acquire "map_data:" . $self->path;	1971	my $lock = cf::lock_acquire "map_data:$self->{path}";
1377		1972
1378	return if $self->players;	1973	return if $self->players;
1379	return if $self->{path}{user_rel};#d#
1380		1974
1381	warn "resetting map ", $self->path;#d#	1975	warn "resetting map ", $self->path;
		1976
		1977	$self->in_memory (cf::MAP_SWAPPED);
		1978
		1979	# need to save uniques path
		1980	unless ($self->{deny_save}) {
		1981	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1982
		1983	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1984	if $uniq;
		1985	}
1382		1986
1383	delete $cf::MAP{$self->path};	1987	delete $cf::MAP{$self->path};
		1988
		1989	$self->clear;
1384		1990
1385	$_->clear_links_to ($self) for values %cf::MAP;	1991	$_->clear_links_to ($self) for values %cf::MAP;
1386		1992
1387	$self->unlink_save;	1993	$self->unlink_save;
1388	$self->destroy;	1994	$self->destroy;
…		…
1391	my $nuke_counter = "aaaa";	1997	my $nuke_counter = "aaaa";
1392		1998
1393	sub nuke {	1999	sub nuke {
1394	my ($self) = @_;	2000	my ($self) = @_;
1395		2001
		2002	delete $cf::MAP{$self->path};
		2003
		2004	$self->unlink_save;
		2005
		2006	bless $self, "cf::map";
		2007	delete $self->{deny_reset};
1396	$self->{deny_save} = 1;	2008	$self->{deny_save} = 1;
1397	$self->reset_timeout (1);	2009	$self->reset_timeout (1);
1398	$self->rename ("{nuke}/" . ($nuke_counter++));	2010	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2011
		2012	$cf::MAP{$self->path} = $self;
		2013
1399	$self->reset; # polite request, might not happen	2014	$self->reset; # polite request, might not happen
1400	}	2015	}
1401		2016
1402	sub customise_for {	2017	=item $maps = cf::map::tmp_maps
1403	my ($map, $ob) = @_;
1404		2018
1405	if ($map->per_player) {	2019	Returns an arrayref with all map paths of currently instantiated and saved
1406	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2020	maps. May block.
		2021
		2022	=cut
		2023
		2024	sub tmp_maps() {
1407	}	2025	[
1408		2026	map {
1409	$map	2027	utf8::decode $_;
		2028	/\.map$/
		2029	? normalise $_
		2030	: ()
		2031	} @{ aio_readdir $TMPDIR or [] }
		2032	]
1410	}	2033	}
1411		2034
1412	sub emergency_save {	2035	=item $maps = cf::map::random_maps
1413	my $freeze_guard = cf::freeze_mainloop;
1414		2036
1415	warn "enter emergency map save\n";	2037	Returns an arrayref with all map paths of currently instantiated and saved
		2038	random maps. May block.
1416		2039
1417	cf::sync_job {	2040	=cut
1418	warn "begin emergency map save\n";
1419	$_->save for values %cf::MAP;
1420	};
1421		2041
1422	warn "end emergency map save\n";	2042	sub random_maps() {
		2043	[
		2044	map {
		2045	utf8::decode $_;
		2046	/\.map$/
		2047	? normalise "?random/$_"
		2048	: ()
		2049	} @{ aio_readdir $RANDOMDIR or [] }
		2050	]
		2051	}
		2052
		2053	=item cf::map::unique_maps
		2054
		2055	Returns an arrayref of paths of all shared maps that have
		2056	instantiated unique items. May block.
		2057
		2058	=cut
		2059
		2060	sub unique_maps() {
		2061	[
		2062	map {
		2063	utf8::decode $_;
		2064	/\.map$/
		2065	? normalise $_
		2066	: ()
		2067	} @{ aio_readdir $UNIQUEDIR or [] }
		2068	]
1423	}	2069	}
1424		2070
1425	package cf;	2071	package cf;
1426		2072
1427	=back	2073	=back
1428		2074
		2075	=head3 cf::object
		2076
		2077	=cut
		2078
		2079	package cf::object;
		2080
		2081	=over 4
		2082
		2083	=item $ob->inv_recursive
		2084
		2085	Returns the inventory of the object _and_ their inventories, recursively.
		2086
		2087	=cut
		2088
		2089	sub inv_recursive_;
		2090	sub inv_recursive_ {
		2091	map { $_, inv_recursive_ $_->inv } @_
		2092	}
		2093
		2094	sub inv_recursive {
		2095	inv_recursive_ inv $_[0]
		2096	}
		2097
		2098	package cf;
		2099
		2100	=back
1429		2101
1430	=head3 cf::object::player	2102	=head3 cf::object::player
1431		2103
1432	=over 4	2104	=over 4
1433		2105
…		…
1447		2119
1448	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2120	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1449		2121
1450	if ($self->{record_replies}) {	2122	if ($self->{record_replies}) {
1451	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2123	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2124
1452	} else {	2125	} else {
		2126	my $pl = $self->contr;
		2127
		2128	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2129	my $diag = $pl->{npc_dialog};
		2130	$diag->{pl}->ext_reply (
		2131	$diag->{id},
		2132	msgtype => "reply",
		2133	msg => $diag->{pl}->expand_cfpod ($msg),
		2134	add_topics => []
		2135	);
		2136
		2137	} else {
1453	$msg = $npc->name . " says: $msg" if $npc;	2138	$msg = $npc->name . " says: $msg" if $npc;
1454	$self->message ($msg, $flags);	2139	$self->message ($msg, $flags);
		2140	}
1455	}	2141	}
1456	}	2142	}
1457		2143
1458	=item $player_object->may ("access")	2144	=item $player_object->may ("access")
1459		2145
…		…
1473		2159
1474	=item $player_object->enter_link	2160	=item $player_object->enter_link
1475		2161
1476	Freezes the player and moves him/her to a special map (C<{link}>).	2162	Freezes the player and moves him/her to a special map (C<{link}>).
1477		2163
1478	The player should be reaosnably safe there for short amounts of time. You	2164	The player should be reasonably safe there for short amounts of time. You
1479	I<MUST> call C<leave_link> as soon as possible, though.	2165	I<MUST> call C<leave_link> as soon as possible, though.
1480		2166
		2167	Will never block.
		2168
1481	=item $player_object->leave_link ($map, $x, $y)	2169	=item $player_object->leave_link ($map, $x, $y)
1482		2170
1483	Moves the player out of the specila link map onto the given map. If the	2171	Moves the player out of the special C<{link}> map onto the specified
1484	map is not valid (or omitted), the player will be moved back to the	2172	map. If the map is not valid (or omitted), the player will be moved back
1485	location he/she was before the call to C<enter_link>, or, if that fails,	2173	to the location he/she was before the call to C<enter_link>, or, if that
1486	to the emergency map position.	2174	fails, to the emergency map position.
1487		2175
1488	Might block.	2176	Might block.
1489		2177
1490	=cut	2178	=cut
		2179
		2180	sub link_map {
		2181	unless ($LINK_MAP) {
		2182	$LINK_MAP = cf::map::find "{link}"
		2183	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2184	$LINK_MAP->load;
		2185	}
		2186
		2187	$LINK_MAP
		2188	}
1491		2189
1492	sub cf::object::player::enter_link {	2190	sub cf::object::player::enter_link {
1493	my ($self) = @_;	2191	my ($self) = @_;
1494		2192
1495	$self->deactivate_recursive;	2193	$self->deactivate_recursive;
1496		2194
1497	return if $self->map == $LINK_MAP;	2195	return if UNIVERSAL::isa $self->map, "ext::map_link";
1498		2196
1499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2197	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1500	if $self->map;	2198	if $self->map && $self->map->{path} ne "{link}";
1501		2199
1502	$self->enter_map ($LINK_MAP, 20, 20);	2200	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1503	}	2201	}
1504		2202
1505	sub cf::object::player::leave_link {	2203	sub cf::object::player::leave_link {
1506	my ($self, $map, $x, $y) = @_;	2204	my ($self, $map, $x, $y) = @_;
		2205
		2206	return unless $self->contr->active;
1507		2207
1508	my $link_pos = delete $self->{_link_pos};	2208	my $link_pos = delete $self->{_link_pos};
1509		2209
1510	unless ($map) {	2210	unless ($map) {
1511	# restore original map position	2211	# restore original map position
…		…
1525	# use -1 or undef as default coordinates, not 0, 0	2225	# use -1 or undef as default coordinates, not 0, 0
1526	($x, $y) = ($map->enter_x, $map->enter_y)	2226	($x, $y) = ($map->enter_x, $map->enter_y)
1527	if $x <=0 && $y <= 0;	2227	if $x <=0 && $y <= 0;
1528		2228
1529	$map->load;	2229	$map->load;
		2230	$map->load_diag;
1530		2231
		2232	return unless $self->contr->active;
1531	$self->activate_recursive;	2233	$self->activate_recursive;
		2234
		2235	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1532	$self->enter_map ($map, $x, $y);	2236	$self->enter_map ($map, $x, $y);
1533	}	2237	}
1534		2238
1535	cf::player->attach (
1536	on_logout => sub {
1537	my ($pl) = @_;
1538
1539	# abort map switching before logout
1540	if ($pl->ob->{_link_pos}) {
1541	cf::sync_job {
1542	$pl->ob->leave_link
1543	};
1544	}
1545	},
1546	on_login => sub {
1547	my ($pl) = @_;
1548
1549	# try to abort aborted map switching on player login :)
1550	# should happen only on crashes
1551	if ($pl->ob->{_link_pos}) {
1552
1553	$pl->ob->enter_link;
1554	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn
1557	$pl->ob->reply (undef,
1558	"There was an internal problem at your last logout, "
1559	. "the server will try to bring you to your intended destination in a second.",
1560	cf::NDI_RED);
1561	Coro::Timer::sleep 1;
1562	$pl->ob->leave_link;
1563	})->prio (2);
1564	}
1565	},
1566	);
1567
1568	=item $player_object->goto ($path, $x, $y)	2239	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1569		2240
		2241	Moves the player to the given map-path and coordinates by first freezing
		2242	her, loading and preparing them map, calling the provided $check callback
		2243	that has to return the map if sucecssful, and then unfreezes the player on
		2244	the new (success) or old (failed) map position.
		2245
1570	=cut	2246	=cut
		2247
		2248	our $GOTOGEN;
1571		2249
1572	sub cf::object::player::goto {	2250	sub cf::object::player::goto {
1573	my ($self, $path, $x, $y) = @_;	2251	my ($self, $path, $x, $y, $check) = @_;
		2252
		2253	# do generation counting so two concurrent goto's will be executed in-order
		2254	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1574		2255
1575	$self->enter_link;	2256	$self->enter_link;
1576		2257
1577	(async {	2258	(async {
1578	$path = new cf::path $path;	2259	my $map = eval {
1579
1580	my $map = cf::map::find $path->as_string;	2260	my $map = cf::map::find $path;
		2261
		2262	if ($map) {
1581	$map = $map->customise_for ($self) if $map;	2263	$map = $map->customise_for ($self);
1582		2264	$map = $check->($map) if $check && $map;
1583	# warn "entering ", $map->path, " at ($x, $y)\n"	2265	} else {
1584	# if $map;
1585
1586	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2266	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2267	}
1587		2268
		2269	$map
		2270	};
		2271
		2272	if ($@) {
		2273	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2274	LOG llevError | logBacktrace, Carp::longmess $@;
		2275	}
		2276
		2277	if ($gen == $self->{_goto_generation}) {
		2278	delete $self->{_goto_generation};
1588	$self->leave_link ($map, $x, $y);	2279	$self->leave_link ($map, $x, $y);
		2280	}
1589	})->prio (1);	2281	})->prio (1);
1590	}	2282	}
1591		2283
1592	=item $player_object->enter_exit ($exit_object)	2284	=item $player_object->enter_exit ($exit_object)
1593		2285
…		…
1595		2287
1596	sub parse_random_map_params {	2288	sub parse_random_map_params {
1597	my ($spec) = @_;	2289	my ($spec) = @_;
1598		2290
1599	my $rmp = { # defaults	2291	my $rmp = { # defaults
1600	xsize => 10,	2292	xsize => (cf::rndm 15, 40),
1601	ysize => 10,	2293	ysize => (cf::rndm 15, 40),
		2294	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2295	#layout => string,
1602	};	2296	};
1603		2297
1604	for (split /\n/, $spec) {	2298	for (split /\n/, $spec) {
1605	my ($k, $v) = split /\s+/, $_, 2;	2299	my ($k, $v) = split /\s+/, $_, 2;
1606		2300
…		…
1610	$rmp	2304	$rmp
1611	}	2305	}
1612		2306
1613	sub prepare_random_map {	2307	sub prepare_random_map {
1614	my ($exit) = @_;	2308	my ($exit) = @_;
		2309
		2310	my $guard = cf::lock_acquire "exit_prepare:$exit";
1615		2311
1616	# all this does is basically replace the /! path by	2312	# all this does is basically replace the /! path by
1617	# a new random map path (?random/...) with a seed	2313	# a new random map path (?random/...) with a seed
1618	# that depends on the exit object	2314	# that depends on the exit object
1619		2315
1620	my $rmp = parse_random_map_params $exit->msg;	2316	my $rmp = parse_random_map_params $exit->msg;
1621		2317
1622	if ($exit->map) {	2318	if ($exit->map) {
1623	$rmp->{region} = $exit->map->region_name;	2319	$rmp->{region} = $exit->region->name;
1624	$rmp->{origin_map} = $exit->map->path;	2320	$rmp->{origin_map} = $exit->map->path;
1625	$rmp->{origin_x} = $exit->x;	2321	$rmp->{origin_x} = $exit->x;
1626	$rmp->{origin_y} = $exit->y;	2322	$rmp->{origin_y} = $exit->y;
1627	}	2323	}
1628		2324
1629	$rmp->{random_seed} ||= $exit->random_seed;	2325	$rmp->{random_seed} ||= $exit->random_seed;
1630		2326
1631	my $data = cf::to_json $rmp;	2327	my $data = cf::to_json $rmp;
1632	my $md5 = Digest::MD5::md5_hex $data;	2328	my $md5 = Digest::MD5::md5_hex $data;
		2329	my $meta = "$RANDOMDIR/$md5.meta";
1633		2330
1634	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2331	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1635	aio_write $fh, 0, (length $data), $data, 0;	2332	aio_write $fh, 0, (length $data), $data, 0;
		2333	undef $fh;
		2334	aio_rename "$meta~", $meta;
1636		2335
1637	$exit->slaying ("?random/$md5");	2336	$exit->slaying ("?random/$md5");
1638	$exit->msg (undef);	2337	$exit->msg (undef);
1639	}	2338	}
1640	}	2339	}
1641		2340
1642	sub cf::object::player::enter_exit {	2341	sub cf::object::player::enter_exit {
1643	my ($self, $exit) = @_;	2342	my ($self, $exit) = @_;
1644		2343
1645	return unless $self->type == cf::PLAYER;	2344	return unless $self->type == cf::PLAYER;
		2345
		2346	if ($exit->slaying eq "/!") {
		2347	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2348	# the problem is that $exit might not survive long enough
		2349	# so it needs to be done right now, right here
		2350	cf::sync_job { prepare_random_map $exit };
		2351	}
		2352
		2353	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2354	my $hp = $exit->stats->hp;
		2355	my $sp = $exit->stats->sp;
1646		2356
1647	$self->enter_link;	2357	$self->enter_link;
1648		2358
1649	(async {	2359	(async {
1650	$self->deactivate_recursive; # just to be sure	2360	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	2361	unless (eval {
1652	prepare_random_map $exit	2362	$self->goto ($slaying, $hp, $sp);
1653	if $exit->slaying eq "/!";
1654
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1657		2363
1658	1;	2364	1;
1659	}) {	2365	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	2366	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "I'll try to bring you back to the map you were before. "	2367	. "I'll try to bring you back to the map you were before. "
1662	. "Please report this to the dungeon master",	2368	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	2369	cf::NDI_UNIQUE | cf::NDI_RED);
1664		2370
1665	warn "ERROR in enter_exit: $@";	2371	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	2372	$self->leave_link;
1667	}	2373	}
1668	})->prio (1);	2374	})->prio (1);
…		…
1681		2387
1682	sub cf::client::send_drawinfo {	2388	sub cf::client::send_drawinfo {
1683	my ($self, $text, $flags) = @_;	2389	my ($self, $text, $flags) = @_;
1684		2390
1685	utf8::encode $text;	2391	utf8::encode $text;
1686	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2392	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1687	}	2393	}
1688		2394
		2395	=item $client->send_msg ($color, $type, $msg, [extra...])
		2396
		2397	Send a drawinfo or msg packet to the client, formatting the msg for the
		2398	client if neccessary. C<$type> should be a string identifying the type of
		2399	the message, with C<log> being the default. If C<$color> is negative, suppress
		2400	the message unless the client supports the msg packet.
		2401
		2402	=cut
		2403
		2404	sub cf::client::send_msg {
		2405	my ($self, $color, $type, $msg, @extra) = @_;
		2406
		2407	$msg = $self->pl->expand_cfpod ($msg);
		2408
		2409	if ($self->can_msg) {
		2410	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2411	} else {
		2412	# replace some tags by gcfclient-compatible ones
		2413	for ($msg) {
		2414	1 while
		2415	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2416	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2417	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2418	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2419	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2420	}
		2421
		2422	if ($color >= 0) {
		2423	if (0 && $msg =~ /\[/) {
		2424	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2425	} else {
		2426	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2427	$self->send_packet ("drawinfo $color $msg")
		2428	}
		2429	}
		2430	}
		2431	}
		2432
		2433	=item $client->ext_event ($type, %msg)
		2434
		2435	Sends an ext event to the client.
		2436
		2437	=cut
		2438
		2439	sub cf::client::ext_event($$%) {
		2440	my ($self, $type, %msg) = @_;
		2441
		2442	$msg{msgtype} = "event_$type";
		2443	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2444	}
1689		2445
1690	=item $success = $client->query ($flags, "text", \&cb)	2446	=item $success = $client->query ($flags, "text", \&cb)
1691		2447
1692	Queues a query to the client, calling the given callback with	2448	Queues a query to the client, calling the given callback with
1693	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2449	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1694	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2450	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1695		2451
1696	Queries can fail, so check the return code. Or don't, as queries will become	2452	Queries can fail, so check the return code. Or don't, as queries will
1697	reliable at some point in the future.	2453	become reliable at some point in the future.
1698		2454
1699	=cut	2455	=cut
1700		2456
1701	sub cf::client::query {	2457	sub cf::client::query {
1702	my ($self, $flags, $text, $cb) = @_;	2458	my ($self, $flags, $text, $cb) = @_;
…		…
1710	utf8::encode $text;	2466	utf8::encode $text;
1711	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2467	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1712		2468
1713	$self->send_packet ($self->{query_queue}[0][0])	2469	$self->send_packet ($self->{query_queue}[0][0])
1714	if @{ $self->{query_queue} } == 1;	2470	if @{ $self->{query_queue} } == 1;
		2471
		2472	1
1715	}	2473	}
1716		2474
1717	cf::client->attach (	2475	cf::client->attach (
		2476	on_connect => sub {
		2477	my ($ns) = @_;
		2478
		2479	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2480	},
1718	on_reply => sub {	2481	on_reply => sub {
1719	my ($ns, $msg) = @_;	2482	my ($ns, $msg) = @_;
1720		2483
1721	# this weird shuffling is so that direct followup queries	2484	# this weird shuffling is so that direct followup queries
1722	# get handled first	2485	# get handled first
1723	my $queue = delete $ns->{query_queue}	2486	my $queue = delete $ns->{query_queue}
1724	or return; # be conservative, not sure how that can happen, but we saw a crash here	2487	or return; # be conservative, not sure how that can happen, but we saw a crash here
1725		2488
1726	(shift @$queue)->[1]->($msg);	2489	(shift @$queue)->[1]->($msg);
		2490	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727		2491
1728	push @{ $ns->{query_queue} }, @$queue;	2492	push @{ $ns->{query_queue} }, @$queue;
1729		2493
1730	if (@{ $ns->{query_queue} } == @$queue) {	2494	if (@{ $ns->{query_queue} } == @$queue) {
1731	if (@$queue) {	2495	if (@$queue) {
…		…
1733	} else {	2497	} else {
1734	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2498	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1735	}	2499	}
1736	}	2500	}
1737	},	2501	},
		2502	on_exticmd => sub {
		2503	my ($ns, $buf) = @_;
		2504
		2505	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2506
		2507	if (ref $msg) {
		2508	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2509	if (my %reply = $cb->($ns, $msg)) {
		2510	$reply{msgid} = $msg->{msgid};
		2511	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2512	}
		2513	}
		2514	} else {
		2515	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2516	}
		2517
		2518	cf::override;
		2519	},
1738	);	2520	);
1739		2521
1740	=item $client->async (\&cb)	2522	=item $client->async (\&cb)
1741		2523
1742	Create a new coroutine, running the specified callback. The coroutine will	2524	Create a new coroutine, running the specified callback. The coroutine will
…		…
1789		2571
1790	# here we export the classes and methods available to script code	2572	# here we export the classes and methods available to script code
1791		2573
1792	=pod	2574	=pod
1793		2575
1794	The following fucntions and emthods are available within a safe environment:	2576	The following functions and methods are available within a safe environment:
1795		2577
1796	cf::object contr pay_amount pay_player map	2578	cf::object contr pay_amount pay_player map
1797	cf::object::player player	2579	cf::object::player player
1798	cf::player peaceful	2580	cf::player peaceful
1799	cf::map trigger	2581	cf::map trigger
…		…
1880	=back	2662	=back
1881		2663
1882	=cut	2664	=cut
1883		2665
1884	#############################################################################	2666	#############################################################################
		2667	# the server's init and main functions
1885		2668
1886	=head2 EXTENSION DATABASE SUPPORT	2669	sub load_facedata($) {
		2670	my ($path) = @_;
1887		2671
1888	Crossfire maintains a very simple database for extension use. It can	2672	warn "loading facedata from $path\n";
1889	currently store anything that can be serialised using Storable, which
1890	excludes objects.
1891		2673
1892	The parameter C<$family> should best start with the name of the extension	2674	my $facedata;
1893	using it, it should be unique.	2675	0 < aio_load $path, $facedata
		2676	or die "$path: $!";
1894		2677
1895	=over 4	2678	$facedata = Coro::Storable::thaw $facedata;
1896		2679
1897	=item $hashref = cf::db_get $family	2680	$facedata->{version} == 2
		2681	or cf::cleanup "$path: version mismatch, cannot proceed.";
1898		2682
1899	Return a hashref for use by the extension C<$family>, which can be
1900	modified. After modifications, you have to call C<cf::db_dirty> or
1901	C<cf::db_sync>.
1902
1903	=item $value = cf::db_get $family => $key
1904
1905	Returns a single value from the database
1906
1907	=item cf::db_put $family => $hashref
1908
1909	Stores the given family hashref into the database. Updates are delayed, if
1910	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1911
1912	=item cf::db_put $family => $key => $value
1913
1914	Stores the given C<$value> in the family hash. Updates are delayed, if you
1915	want the data to be synced to disk immediately, use C<cf::db_sync>.
1916
1917	=item cf::db_dirty
1918
1919	Marks the database as dirty, to be updated at a later time.
1920
1921	=item cf::db_sync
1922
1923	Immediately write the database to disk I<if it is dirty>.
1924
1925	=cut
1926
1927	our $DB;
1928
1929	{
1930	my $path = cf::localdir . "/database.pst";
1931
1932	sub db_load() {
1933	$DB = stat $path ? Storable::retrieve $path : { };
1934	}	2683	{
		2684	my $faces = $facedata->{faceinfo};
1935		2685
1936	my $pid;	2686	while (my ($face, $info) = each %$faces) {
1937		2687	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1938	sub db_save() {	2688	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
1939	waitpid $pid, 0 if $pid;	2689	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
1940	if (0 == ($pid = fork)) {	2690	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
1941	$DB->{_meta}{version} = 1;	2691	Coro::cede;
1942	Storable::nstore $DB, "$path~";
1943	rename "$path~", $path;
1944	cf::_exit 0 if defined $pid;
1945	}
1946	}
1947
1948	my $dirty;
1949
1950	sub db_sync() {
1951	db_save if $dirty;
1952	undef $dirty;
1953	}
1954
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1956	db_sync;
1957	});
1958
1959	sub db_dirty() {
1960	$dirty = 1;
1961	$idle->start;
1962	}
1963
1964	sub db_get($;$) {
1965	@_ >= 2
1966	? $DB->{$_[0]}{$_[1]}
1967	: ($DB->{$_[0]} ||= { })
1968	}
1969
1970	sub db_put($$;$) {
1971	if (@_ >= 3) {
1972	$DB->{$_[0]}{$_[1]} = $_[2];
1973	} else {
1974	$DB->{$_[0]} = $_[1];
1975	}
1976	db_dirty;
1977	}
1978
1979	cf::global->attach (
1980	prio => 10000,
1981	on_cleanup => sub {
1982	db_sync;
1983	},	2692	}
1984	);
1985	}
1986		2693
1987	#############################################################################	2694	while (my ($face, $info) = each %$faces) {
1988	# the server's main()	2695	next unless $info->{smooth};
		2696	my $idx = cf::face::find $face
		2697	or next;
		2698	if (my $smooth = cf::face::find $info->{smooth}) {
		2699	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2700	} else {
		2701	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2702	}
		2703	Coro::cede;
		2704	}
		2705	}
		2706
		2707	{
		2708	my $anims = $facedata->{animinfo};
		2709
		2710	while (my ($anim, $info) = each %$anims) {
		2711	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2712	Coro::cede;
		2713	}
		2714
		2715	cf::anim::invalidate_all; # d'oh
		2716	}
		2717
		2718	1
		2719	}
		2720
		2721	sub reload_regions {
		2722	load_resource_file "$MAPDIR/regions"
		2723	or die "unable to load regions file\n";
		2724	}
		2725
		2726	sub reload_facedata {
		2727	load_facedata "$DATADIR/facedata"
		2728	or die "unable to load facedata\n";
		2729	}
		2730
		2731	sub reload_archetypes {
		2732	load_resource_file "$DATADIR/archetypes"
		2733	or die "unable to load archetypes\n";
		2734	#d# NEED to laod twice to resolve forward references
		2735	# this really needs to be done in an extra post-pass
		2736	# (which needs to be synchronous, so solve it differently)
		2737	load_resource_file "$DATADIR/archetypes"
		2738	or die "unable to load archetypes\n";
		2739	}
		2740
		2741	sub reload_treasures {
		2742	load_resource_file "$DATADIR/treasures"
		2743	or die "unable to load treasurelists\n";
		2744	}
		2745
		2746	sub reload_resources {
		2747	warn "reloading resource files...\n";
		2748
		2749	reload_regions;
		2750	reload_facedata;
		2751	#reload_archetypes;#d#
		2752	reload_archetypes;
		2753	reload_treasures;
		2754
		2755	warn "finished reloading resource files\n";
		2756	}
		2757
		2758	sub init {
		2759	reload_resources;
		2760	}
1989		2761
1990	sub cfg_load {	2762	sub cfg_load {
1991	open my $fh, "<:utf8", cf::confdir . "/config"	2763	open my $fh, "<:utf8", "$CONFDIR/config"
1992	or return;	2764	or return;
1993		2765
1994	local $/;	2766	local $/;
1995	*CFG = YAML::Syck::Load <$fh>;	2767	*CFG = YAML::Syck::Load <$fh>;
1996		2768
…		…
1999	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2771	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2000	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2772	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2001		2773
2002	if (exists $CFG{mlockall}) {	2774	if (exists $CFG{mlockall}) {
2003	eval {	2775	eval {
2004	$CFG{mlockall} ? &mlockall : &munlockall	2776	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2005	and die "WARNING: m(un)lockall failed: $!\n";	2777	and die "WARNING: m(un)lockall failed: $!\n";
2006	};	2778	};
2007	warn $@ if $@;	2779	warn $@ if $@;
2008	}	2780	}
2009	}	2781	}
2010		2782
2011	sub main {	2783	sub main {
2012	# we must not ever block the main coroutine	2784	# we must not ever block the main coroutine
2013	local $Coro::idle = sub {	2785	local $Coro::idle = sub {
2014	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2786	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2787	(async {
2015	async { Event::one_event };	2788	Event::one_event;
		2789	})->prio (Coro::PRIO_MAX);
2016	};	2790	};
2017		2791
2018	cfg_load;	2792	cfg_load;
2019	db_load;	2793	db_init;
2020	load_extensions;	2794	load_extensions;
		2795
		2796	$TICK_WATCHER->start;
2021	Event::loop;	2797	Event::loop;
2022	}	2798	}
2023		2799
2024	#############################################################################	2800	#############################################################################
2025	# initialisation	2801	# initialisation and cleanup
2026		2802
		2803	# install some emergency cleanup handlers
		2804	BEGIN {
		2805	for my $signal (qw(INT HUP TERM)) {
		2806	Event->signal (
		2807	reentrant => 0,
		2808	data => WF_AUTOCANCEL,
		2809	signal => $signal,
		2810	prio => 0,
		2811	cb => sub {
		2812	cf::cleanup "SIG$signal";
		2813	},
		2814	);
		2815	}
		2816	}
		2817
		2818	sub write_runtime {
		2819	my $runtime = "$LOCALDIR/runtime";
		2820
		2821	# first touch the runtime file to show we are still running:
		2822	# the fsync below can take a very very long time.
		2823
		2824	IO::AIO::aio_utime $runtime, undef, undef;
		2825
		2826	my $guard = cf::lock_acquire "write_runtime";
		2827
		2828	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2829	or return;
		2830
		2831	my $value = $cf::RUNTIME + 90 + 10;
		2832	# 10 is the runtime save interval, for a monotonic clock
		2833	# 60 allows for the watchdog to kill the server.
		2834
		2835	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2836	and return;
		2837
		2838	# always fsync - this file is important
		2839	aio_fsync $fh
		2840	and return;
		2841
		2842	# touch it again to show we are up-to-date
		2843	aio_utime $fh, undef, undef;
		2844
		2845	close $fh
		2846	or return;
		2847
		2848	aio_rename "$runtime~", $runtime
		2849	and return;
		2850
		2851	warn "runtime file written.\n";
		2852
		2853	1
		2854	}
		2855
		2856	sub emergency_save() {
		2857	my $freeze_guard = cf::freeze_mainloop;
		2858
		2859	warn "enter emergency perl save\n";
		2860
		2861	cf::sync_job {
		2862	# use a peculiar iteration method to avoid tripping on perl
		2863	# refcount bugs in for. also avoids problems with players
		2864	# and maps saved/destroyed asynchronously.
		2865	warn "begin emergency player save\n";
		2866	for my $login (keys %cf::PLAYER) {
		2867	my $pl = $cf::PLAYER{$login} or next;
		2868	$pl->valid or next;
		2869	$pl->save;
		2870	}
		2871	warn "end emergency player save\n";
		2872
		2873	warn "begin emergency map save\n";
		2874	for my $path (keys %cf::MAP) {
		2875	my $map = $cf::MAP{$path} or next;
		2876	$map->valid or next;
		2877	$map->save;
		2878	}
		2879	warn "end emergency map save\n";
		2880
		2881	warn "begin emergency database checkpoint\n";
		2882	BDB::db_env_txn_checkpoint $DB_ENV;
		2883	warn "end emergency database checkpoint\n";
		2884	};
		2885
		2886	warn "leave emergency perl save\n";
		2887	}
		2888
		2889	sub post_cleanup {
		2890	my ($make_core) = @_;
		2891
		2892	warn Carp::longmess "post_cleanup backtrace"
		2893	if $make_core;
		2894	}
		2895
2027	sub reload() {	2896	sub do_reload_perl() {
2028	# can/must only be called in main	2897	# can/must only be called in main
2029	if ($Coro::current != $Coro::main) {	2898	if ($Coro::current != $Coro::main) {
2030	warn "can only reload from main coroutine\n";	2899	warn "can only reload from main coroutine";
2031	return;	2900	return;
2032	}	2901	}
2033		2902
2034	warn "reloading...";	2903	warn "reloading...";
2035		2904
2036	my $guard = freeze_mainloop;	2905	warn "entering sync_job";
		2906
		2907	cf::sync_job {
		2908	cf::write_runtime; # external watchdog should not bark
2037	cf::emergency_save;	2909	cf::emergency_save;
		2910	cf::write_runtime; # external watchdog should not bark
2038		2911
2039	eval {	2912	warn "syncing database to disk";
		2913	BDB::db_env_txn_checkpoint $DB_ENV;
		2914
2040	# if anything goes wrong in here, we should simply crash as we already saved	2915	# if anything goes wrong in here, we should simply crash as we already saved
2041		2916
2042	# cancel all watchers	2917	warn "cancelling all WF_AUTOCANCEL watchers";
2043	for (Event::all_watchers) {	2918	for (Event::all_watchers) {
2044	$_->cancel if $_->data & WF_AUTOCANCEL;	2919	$_->cancel if $_->data & WF_AUTOCANCEL;
2045	}	2920	}
2046		2921
		2922	warn "flushing outstanding aio requests";
		2923	for (;;) {
		2924	BDB::flush;
		2925	IO::AIO::flush;
		2926	Coro::cede;
		2927	last unless IO::AIO::nreqs || BDB::nreqs;
		2928	warn "iterate...";
		2929	}
		2930
		2931	++$RELOAD;
		2932
2047	# cancel all extension coros	2933	warn "cancelling all extension coros";
2048	$_->cancel for values %EXT_CORO;	2934	$_->cancel for values %EXT_CORO;
2049	%EXT_CORO = ();	2935	%EXT_CORO = ();
2050		2936
2051	# unload all extensions	2937	warn "removing commands";
2052	for (@exts) {	2938	%COMMAND = ();
		2939
		2940	warn "removing ext/exti commands";
		2941	%EXTCMD = ();
		2942	%EXTICMD = ();
		2943
		2944	warn "unloading/nuking all extensions";
		2945	for my $pkg (@EXTS) {
2053	warn "unloading <$_>";	2946	warn "... unloading $pkg";
2054	unload_extension $_;	2947
		2948	if (my $cb = $pkg->can ("unload")) {
		2949	eval {
		2950	$cb->($pkg);
		2951	1
		2952	} or warn "$pkg unloaded, but with errors: $@";
2055	}	2953	}
2056		2954
		2955	warn "... nuking $pkg";
		2956	Symbol::delete_package $pkg;
		2957	}
		2958
2057	# unload all modules loaded from $LIBDIR	2959	warn "unloading all perl modules loaded from $LIBDIR";
2058	while (my ($k, $v) = each %INC) {	2960	while (my ($k, $v) = each %INC) {
2059	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2961	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2060		2962
2061	warn "removing <$k>";	2963	warn "... unloading $k";
2062	delete $INC{$k};	2964	delete $INC{$k};
2063		2965
2064	$k =~ s/\.pm$//;	2966	$k =~ s/\.pm$//;
2065	$k =~ s/\//::/g;	2967	$k =~ s/\//::/g;
2066		2968
…		…
2069	}	2971	}
2070		2972
2071	Symbol::delete_package $k;	2973	Symbol::delete_package $k;
2072	}	2974	}
2073		2975
2074	# sync database to disk
2075	cf::db_sync;
2076	IO::AIO::flush;
2077
2078	# get rid of safe::, as good as possible	2976	warn "getting rid of safe::, as good as possible";
2079	Symbol::delete_package "safe::$_"	2977	Symbol::delete_package "safe::$_"
2080	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2978	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2081		2979
2082	# remove register_script_function callbacks
2083	# TODO
2084
2085	# unload cf.pm "a bit"	2980	warn "unloading cf.pm \"a bit\"";
2086	delete $INC{"cf.pm"};	2981	delete $INC{"cf.pm"};
		2982	delete $INC{"cf/pod.pm"};
2087		2983
2088	# don't, removes xs symbols, too,	2984	# don't, removes xs symbols, too,
2089	# and global variables created in xs	2985	# and global variables created in xs
2090	#Symbol::delete_package __PACKAGE__;	2986	#Symbol::delete_package __PACKAGE__;
2091		2987
2092	# reload cf.pm	2988	warn "unload completed, starting to reload now";
		2989
2093	warn "reloading cf.pm";	2990	warn "reloading cf.pm";
2094	require cf;	2991	require cf;
2095	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2992	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2096		2993
2097	# load config and database again	2994	warn "loading config and database again";
2098	cf::cfg_load;	2995	cf::cfg_load;
2099	cf::db_load;
2100		2996
2101	# load extensions
2102	warn "load extensions";	2997	warn "loading extensions";
2103	cf::load_extensions;	2998	cf::load_extensions;
2104		2999
2105	# reattach attachments to objects	3000	warn "reattaching attachments to objects/players";
2106	warn "reattach";	3001	_global_reattach; # objects, sockets
2107	_global_reattach;	3002	warn "reattaching attachments to maps";
2108	};	3003	reattach $_ for values %MAP;
		3004	warn "reattaching attachments to players";
		3005	reattach $_ for values %PLAYER;
2109		3006
2110	if ($@) {	3007	warn "leaving sync_job";
		3008
		3009	1
		3010	} or do {
2111	warn $@;	3011	warn $@;
2112	warn "error while reloading, exiting.";	3012	warn "error while reloading, exiting.";
2113	exit 1;	3013	exit 1;
2114	}	3014	};
2115		3015
2116	warn "reloaded successfully";	3016	warn "reloaded";
2117	};	3017	};
2118		3018
2119	#############################################################################	3019	our $RELOAD_WATCHER; # used only during reload
2120		3020
2121	unless ($LINK_MAP) {	3021	sub reload_perl() {
2122	$LINK_MAP = cf::map::new;	3022	# doing reload synchronously and two reloads happen back-to-back,
		3023	# coro crashes during coro_state_free->destroy here.
2123		3024
2124	$LINK_MAP->width (41);	3025	$RELOAD_WATCHER ||= Event->timer (
2125	$LINK_MAP->height (41);	3026	reentrant => 0,
2126	$LINK_MAP->alloc;
2127	$LINK_MAP->path ("{link}");
2128	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2129	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2130
2131	# dirty hack because... archetypes are not yet loaded
2132	Event->timer (
2133	after => 10,	3027	after => 0,
		3028	data => WF_AUTOCANCEL,
2134	cb => sub {	3029	cb => sub {
2135	$_[0]->w->cancel;	3030	do_reload_perl;
2136		3031	undef $RELOAD_WATCHER;
2137	# provide some exits "home"
2138	my $exit = cf::object::new "exit";
2139
2140	$exit->slaying ($EMERGENCY_POSITION->[0]);
2141	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2142	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2143
2144	$LINK_MAP->insert ($exit->clone, 19, 19);
2145	$LINK_MAP->insert ($exit->clone, 19, 20);
2146	$LINK_MAP->insert ($exit->clone, 19, 21);
2147	$LINK_MAP->insert ($exit->clone, 20, 19);
2148	$LINK_MAP->insert ($exit->clone, 20, 21);
2149	$LINK_MAP->insert ($exit->clone, 21, 19);
2150	$LINK_MAP->insert ($exit->clone, 21, 20);
2151	$LINK_MAP->insert ($exit->clone, 21, 21);
2152
2153	$exit->destroy;
2154	});	3032	},
2155		3033	);
2156	$LINK_MAP->{deny_save} = 1;
2157	$LINK_MAP->{deny_reset} = 1;
2158
2159	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2160	}	3034	}
2161
2162	register "<global>", __PACKAGE__;
2163		3035
2164	register_command "reload" => sub {	3036	register_command "reload" => sub {
2165	my ($who, $arg) = @_;	3037	my ($who, $arg) = @_;
2166		3038
2167	if ($who->flag (FLAG_WIZ)) {	3039	if ($who->flag (FLAG_WIZ)) {
2168	$who->message ("start of reload.");
2169	reload;
2170	$who->message ("end of reload.");	3040	$who->message ("reloading server.");
		3041	async { reload_perl };
2171	}	3042	}
2172	};	3043	};
2173		3044
2174	unshift @INC, $LIBDIR;	3045	unshift @INC, $LIBDIR;
2175		3046
		3047	my $bug_warning = 0;
		3048
		3049	our @WAIT_FOR_TICK;
		3050	our @WAIT_FOR_TICK_BEGIN;
		3051
		3052	sub wait_for_tick {
		3053	return unless $TICK_WATCHER->is_active;
		3054	return if $Coro::current == $Coro::main;
		3055
		3056	my $signal = new Coro::Signal;
		3057	push @WAIT_FOR_TICK, $signal;
		3058	$signal->wait;
		3059	}
		3060
		3061	sub wait_for_tick_begin {
		3062	return unless $TICK_WATCHER->is_active;
		3063	return if $Coro::current == $Coro::main;
		3064
		3065	my $signal = new Coro::Signal;
		3066	push @WAIT_FOR_TICK_BEGIN, $signal;
		3067	$signal->wait;
		3068	}
		3069
		3070	my $min = 1e6;#d#
		3071	my $avg = 10;
2176	$TICK_WATCHER = Event->timer (	3072	$TICK_WATCHER = Event->timer (
2177	reentrant => 0,	3073	reentrant => 0,
		3074	parked => 1,
2178	prio => 0,	3075	prio => 0,
2179	at => $NEXT_TICK || $TICK,	3076	at => $NEXT_TICK || $TICK,
2180	data => WF_AUTOCANCEL,	3077	data => WF_AUTOCANCEL,
2181	cb => sub {	3078	cb => sub {
		3079	if ($Coro::current != $Coro::main) {
		3080	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3081	unless ++$bug_warning > 10;
		3082	return;
		3083	}
		3084
		3085	$NOW = $tick_start = Event::time;
		3086
2182	cf::server_tick; # one server iteration	3087	cf::server_tick; # one server iteration
		3088
		3089	0 && sync_job {#d#
		3090	for(1..10) {
		3091	my $t = Event::time;
		3092	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3093	or die;
		3094
		3095	$map->width (50);
		3096	$map->height (50);
		3097	$map->alloc;
		3098	$map->_load_objects ("/tmp/x.map", 1);
		3099	my $t = Event::time - $t;
		3100
		3101	#next unless $t < 0.0013;#d#
		3102	if ($t < $min) {
		3103	$min = $t;
		3104	}
		3105	$avg = $avg * 0.99 + $t * 0.01;
		3106	}
		3107	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3108	exit 0;
		3109	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3110	};
		3111
2183	$RUNTIME += $TICK;	3112	$RUNTIME += $TICK;
2184	$NEXT_TICK += $TICK;	3113	$NEXT_TICK += $TICK;
2185		3114
		3115	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3116	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3117	Coro::async_pool {
		3118	write_runtime
		3119	or warn "ERROR: unable to write runtime file: $!";
		3120	};
		3121	}
		3122
		3123	# my $AFTER = Event::time;
		3124	# warn $AFTER - $NOW;#d#
		3125
		3126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3127	$sig->send;
		3128	}
		3129	while (my $sig = shift @WAIT_FOR_TICK) {
		3130	$sig->send;
		3131	}
		3132
		3133	$NOW = Event::time;
		3134
2186	# if we are delayed by four ticks or more, skip them all	3135	# if we are delayed by four ticks or more, skip them all
2187	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3136	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2188		3137
2189	$TICK_WATCHER->at ($NEXT_TICK);	3138	$TICK_WATCHER->at ($NEXT_TICK);
2190	$TICK_WATCHER->start;	3139	$TICK_WATCHER->start;
		3140
		3141	$LOAD = ($NOW - $tick_start) / $TICK;
		3142	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3143
		3144	_post_tick;
		3145
		3146
2191	},	3147	},
2192	);	3148	);
2193		3149
		3150	{
2194	IO::AIO::max_poll_time $TICK * 0.2;	3151	BDB::max_poll_time $TICK * 0.1;
2195		3152	$BDB_POLL_WATCHER = Event->io (
2196	Event->io (	3153	reentrant => 0,
2197	fd => IO::AIO::poll_fileno,	3154	fd => BDB::poll_fileno,
2198	poll => 'r',	3155	poll => 'r',
2199	prio => 5,	3156	prio => 0,
2200	data => WF_AUTOCANCEL,
2201	cb => \&IO::AIO::poll_cb,
2202	);
2203
2204	Event->timer (
2205	data => WF_AUTOCANCEL,	3157	data => WF_AUTOCANCEL,
2206	after => 0,	3158	cb => \&BDB::poll_cb,
2207	interval => 10,	3159	);
2208	cb => sub {	3160	BDB::min_parallel 8;
2209	(Coro::unblock_sub {	3161
2210	write_runtime	3162	BDB::set_sync_prepare {
2211	or warn "ERROR: unable to write runtime file: $!";	3163	my $status;
		3164	my $current = $Coro::current;
		3165	(
		3166	sub {
		3167	$status = $!;
		3168	$current->ready; undef $current;
		3169	},
		3170	sub {
		3171	Coro::schedule while defined $current;
		3172	$! = $status;
		3173	},
		3174	)
		3175	};
		3176
		3177	unless ($DB_ENV) {
		3178	$DB_ENV = BDB::db_env_create;
		3179
		3180	cf::sync_job {
		3181	eval {
		3182	BDB::db_env_open
		3183	$DB_ENV,
		3184	$BDBDIR,
		3185	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3186	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3187	0666;
		3188
		3189	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3190
		3191	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3192	$DB_ENV->set_lk_detect;
		3193	};
		3194
		3195	cf::cleanup "db_env_open(db): $@" if $@;
2212	})->();	3196	};
2213	},	3197	}
2214	);	3198	}
		3199
		3200	{
		3201	IO::AIO::min_parallel 8;
		3202
		3203	undef $Coro::AIO::WATCHER;
		3204	IO::AIO::max_poll_time $TICK * 0.1;
		3205	$AIO_POLL_WATCHER = Event->io (
		3206	reentrant => 0,
		3207	data => WF_AUTOCANCEL,
		3208	fd => IO::AIO::poll_fileno,
		3209	poll => 'r',
		3210	prio => 6,
		3211	cb => \&IO::AIO::poll_cb,
		3212	);
		3213	}
		3214
		3215	my $_log_backtrace;
		3216
		3217	sub _log_backtrace {
		3218	my ($msg, @addr) = @_;
		3219
		3220	$msg =~ s/\n//;
		3221
		3222	# limit the # of concurrent backtraces
		3223	if ($_log_backtrace < 2) {
		3224	++$_log_backtrace;
		3225	async {
		3226	my @bt = fork_call {
		3227	@addr = map { sprintf "%x", $_ } @addr;
		3228	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3229	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3230	or die "addr2line: $!";
		3231
		3232	my @funcs;
		3233	my @res = <$fh>;
		3234	chomp for @res;
		3235	while (@res) {
		3236	my ($func, $line) = splice @res, 0, 2, ();
		3237	push @funcs, "[$func] $line";
		3238	}
		3239
		3240	@funcs
		3241	};
		3242
		3243	LOG llevInfo, "[ABT] $msg\n";
		3244	LOG llevInfo, "[ABT] $_\n" for @bt;
		3245	--$_log_backtrace;
		3246	};
		3247	} else {
		3248	LOG llevInfo, "[ABT] $msg\n";
		3249	LOG llevInfo, "[ABT] [suppressed]\n";
		3250	}
		3251	}
		3252
		3253	# load additional modules
		3254	use cf::pod;
2215		3255
2216	END { cf::emergency_save }	3256	END { cf::emergency_save }
2217		3257
2218	1	3258	1
2219		3259

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